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Cheap flights from Seattle (SEA) to Chiang Mai (CNX) from $454

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — CNX
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Chiang Mai are usually found in April or September, booked 23 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Seattle to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Popular in

June

Cheapest in

April

Round-trip from

$1,095

One-way from

$454
High demand for flights, 27% potential price rise
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Best time to find cheap flights, 18% potential price drop
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From Seattle/Tacoma Intl to Chiang Mai
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One-way flight from Seattle/Tacoma Intl to Chiang Mai
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What is the cheapest day to fly round-trip from Seattle to Chiang Mai?

Wednesday flights are found to be more expensive to fly from Seattle to Chiang Mai. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chiang Mai.

How far in advance should I book a flight from Seattle to Chiang Mai?

To save up to 77% on this flight, we recommend booking at least 23 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Chiang Mai from $1,409 1-2 weeks out and tickets from $1,875 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Chiang Mai?

The best pricing can be found in the month of April. Prices to Chiang Mai from Seattle average $1,333. You can even find prices in April for less than $1,333, as users have found deals to Chiang Mai from as low as $965. The month of June appears to be one of the more expensive times to travel to Chiang Mai from Seattle. Flying in the targeted month can save you up to 36%.

When is the cheapest time to fly from Seattle to Chiang Mai (SEA - CNX)?

It’s optimal to fly from Seattle to Chiang Mai in the afternoon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the evening.

Cheap China Airlines flights from Seattle to Chiang Mai

Explore cheap flight options specifically provided by China Airlines for the route between Seattle and Chiang Mai. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Peruse some of the lowest-priced China Airlines flights we've found from Seattle to Chiang Mai. Be sure to come back soon if the deals available don't appeal to you at this time.
Mon 10/71:10 amSEA - CNX
1 stop19h 10mChina Airlines
Tue 10/2211:20 amCNX - SEA
1 stop22h 10mChina Airlines
Deal found 5/15$749
Mon 10/71:10 amSEA - CNX
1 stop19h 10mChina Airlines
Tue 10/2211:20 amCNX - SEA
1 stop22h 10mChina Airlines
Deal found 5/16$776
Thu 10/311:10 amSEA - CNX
1 stop19h 15mChina Airlines
Sat 11/3011:25 amCNX - SEA
1 stop21h 40mChina Airlines
Deal found 5/15$965

Cheap EVA Air flights from Seattle to Chiang Mai

Explore cheap flight options specifically provided by EVA Air for the route between Seattle and Chiang Mai. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the best deals we've found on EVA Air flights traveling from Seattle to Chiang Mai. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 10/71:30 amSEA - CNX
1 stop18h 55mEVA Air
Tue 10/2211:35 amCNX - SEA
1 stop21h 55mEVA Air
Deal found 5/15$913
Tue 10/151:30 amSEA - CNX
1 stop18h 55mEVA Air
Wed 10/3012:10 pmCNX - SEA
2 stops21h 00mEVA Air
Deal found 5/15$957
Mon 10/71:30 amSEA - CNX
1 stop18h 55mEVA Air
Tue 10/2211:55 amCNX - SEA
2 stops21h 35mEVA Air
Deal found 5/15$962
Mon 10/71:30 amSEA - CNX
2 stops43h 45mEVA Air
Tue 10/2211:35 amCNX - SEA
1 stop21h 55mEVA Air
Deal found 5/16$966
Tue 10/151:30 amSEA - CNX
2 stops22h 15mEVA Air
Wed 10/3012:10 pmCNX - SEA
2 stops21h 00mEVA Air
Deal found 5/15$998
Sat 10/191:30 amSEA - CNX
1 stop18h 55mEVA Air
Thu 1/3010:10 amCNX - SEA
2 stops23h 00mEVA Air
Deal found 5/15$1,000
Wed 9/181:30 amSEA - CNX
1 stop18h 55mEVA Air
Mon 9/2311:35 amCNX - SEA
1 stop21h 55mEVA Air
Deal found 5/15$1,007
Mon 10/71:30 amSEA - CNX
2 stops46h 15mEVA Air
Tue 10/2210:10 amCNX - SEA
2 stops23h 20mEVA Air
Deal found 5/15$1,009
Sun 11/312:10 amSEA - CNX
1 stop19h 25mEVA Air
Thu 12/1211:45 amCNX - SEA
1 stop21h 25mEVA Air
Deal found 5/16$1,012

Cheap Seattle to Chiang Mai flights in May & June 2024

Find cheap flight options from Seattle to Chiang Mai specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the best deals we've found on flights to Chiang Mai in 2024 at this time. Check back regularly for other flight deals.
Thu 6/134:30 pmSEA - CNX
2 stops28h 45mQatar Airways
Thu 6/208:00 pmCNX - SEA
2 stops54h 30mQatar Airways
Deal found 5/14$1,758
Sun 6/94:30 pmSEA - CNX
2 stops31h 15mQatar Airways
Sun 6/238:00 pmCNX - SEA
2 stops54h 30mQatar Airways
Deal found 5/15$1,793
Thu 6/135:55 amSEA - CNX
3 stops41h 30mMultiple Airlines
Thu 6/206:35 amCNX - SEA
2 stops21h 50mMultiple Airlines
Deal found 5/14$1,811
Sun 6/94:30 pmSEA - CNX
2 stops26h 50mMultiple Airlines
Sat 6/2212:45 amCNX - SEA
1 stop26h 00mMultiple Airlines
Deal found 5/15$1,846
Thu 6/134:30 pmSEA - CNX
2 stops26h 50mMultiple Airlines
Wed 6/1912:45 amCNX - SEA
1 stop26h 00mMultiple Airlines
Deal found 5/14$1,847
Sun 6/94:30 pmSEA - CNX
2 stops26h 50mMultiple Airlines
Sat 6/2212:45 amCNX - SEA
1 stop26h 00mMultiple Airlines
Deal found 5/16$1,849
Sun 6/92:20 pmSEA - CNX
1 stop19h 25mAsiana Airlines
Sat 6/2212:45 amCNX - SEA
1 stop26h 00mAsiana Airlines
Deal found 5/15$1,859
Thu 6/134:30 pmSEA - CNX
2 stops26h 50mMultiple Airlines
Thu 6/2011:15 pmCNX - SEA
1 stop25h 35mMultiple Airlines
Deal found 5/14$1,868
Thu 6/137:00 amSEA - CNX
2 stops26h 45mMultiple Airlines
Wed 6/1912:45 amCNX - SEA
2 stops30h 31mMultiple Airlines
Deal found 5/14$1,873

Seattle to Chiang Mai 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Chiang Mai in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the best deals we've found on flights to Chiang Mai in 2024 at this time. Check back regularly for other flight deals.
Mon 10/71:10 amSEA - CNX
1 stop19h 10mChina Airlines
Tue 10/2211:20 amCNX - SEA
1 stop22h 10mChina Airlines
Deal found 5/15$749
Mon 8/261:40 amSEA - CNX
1 stop18h 40mChina Airlines
Sat 9/711:20 amCNX - SEA
1 stop22h 30mChina Airlines
Deal found 5/16$813
Tue 8/272:20 pmSEA - CNX
1 stop19h 25mAsiana Airlines
Fri 9/612:45 amCNX - SEA
1 stop26h 00mAsiana Airlines
Deal found 5/16$833
Mon 10/71:10 amSEA - CNX
1 stop19h 10mMultiple Airlines
Tue 10/2211:20 amCNX - SEA
2 stops35h 38mMultiple Airlines
Deal found 5/15$888
Wed 10/21:30 amSEA - CNX
1 stop18h 55mEVA Air
Tue 10/2211:35 amCNX - SEA
1 stop21h 55mEVA Air
Deal found 5/16$913
Tue 10/151:30 amSEA - CNX
1 stop18h 55mEVA Air
Wed 10/3012:10 pmCNX - SEA
2 stops21h 00mEVA Air
Deal found 5/15$957
Wed 10/21:30 amSEA - CNX
2 stops41h 50mEVA Air
Tue 10/2211:35 amCNX - SEA
1 stop21h 55mEVA Air
Deal found 5/16$961
Mon 10/71:30 amSEA - CNX
1 stop18h 55mEVA Air
Tue 10/2211:55 amCNX - SEA
2 stops21h 35mEVA Air
Deal found 5/15$962
Thu 10/311:10 amSEA - CNX
1 stop19h 15mChina Airlines
Sat 11/3011:25 amCNX - SEA
1 stop21h 40mChina Airlines
Deal found 5/15$965

One-way flights to Chiang Mai from Seattle

Search for one-way flight options from Seattle to Chiang Mai. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the one-way flights we've detected from Seattle to Chiang Mai. For those needing a return trip from Seattle, there is a search form available above.
Mon 9/301:10 amSEA - CNX
1 stop19h 10mChina Airlines
Deal found 5/15$454
Wed 10/91:30 amSEA - CNX
1 stop18h 55mEVA Air
Deal found 5/15$534
Wed 10/25:59 pmSEA - CNX
2 stops26h 21mMultiple Airlines
Deal found 5/15$543
Tue 10/11:10 amSEA - CNX
2 stops28h 45mMultiple Airlines
Deal found 5/15$562
Wed 10/91:30 amSEA - CNX
2 stops23h 20mMultiple Airlines
Deal found 5/15$571
Tue 10/81:30 amSEA - CNX
2 stops46h 15mEVA Air
Deal found 5/15$574
Thu 10/102:20 pmSEA - CNX
1 stop19h 25mAsiana Airlines
Deal found 5/15$587
Fri 11/11:05 amSEA - CNX
1 stop31h 20mMultiple Airlines
Deal found 5/15$598
Thu 10/105:47 pmSEA - CNX
2 stops26h 33mMultiple Airlines
Deal found 5/15$613

Find flights from Seattle to Chiang Mai within your budget

Customize your flight search to find flights from Seattle to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$749 - $1,453

Route

Depart

Return

Price

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Mon 10/7

1 stop19h 10m

Chiang Mai

Tue 10/22

1 stop22h 10m

$749

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Mon 10/7

1 stop19h 10m

Chiang Mai

Tue 10/22

1 stop22h 10m

$776

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Mon 10/7

1 stop19h 10m

Chiang Mai

Tue 10/22

2 stops35h 38m

$888

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Mon 10/7

1 stop18h 55m

Chiang Mai

Tue 10/22

1 stop21h 55m

$913

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Thu 9/19

1 stop19h 25m

Chiang Mai

Sun 9/22

1 stop26h 00m

$989

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Tue 10/29

1 stop20h 20m

Chiang Mai

Tue 12/10

1 stop24h 40m

$1,207

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Thu 9/19

1 stop19h 15m

Chiang Mai

Mon 9/23

1 stop28h 50m

$1,235

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Tue 8/6

1 stop58h 00m

Chiang Mai

Wed 9/18

1 stop35h 30m

$1,361

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Thu 9/19

2 stops26h 50m

Chiang Mai

Mon 9/23

2 stops38h 35m

$1,453

Flights are sorted by cheapest first

Deals found on 5/15

When is the best time to book a flight from Seattle to Chiang Mai?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Chiang Mai. Price data was last updated on May 10, 2024.
To ensure you get the cheapest price possible for a flight from Seattle to Chiang Mai, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Seattle to Chiang Mai?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Chiang Mai. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Chiang Mai flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Chiang Mai by month

Plan your trip from Seattle to Chiang Mai by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Chiang Mai is currently $560 while a round-trip flight costs $1,063. Price data was last updated on May 12, 2024.

Currently, March is the cheapest month in which you can book a flight from Seattle to Chiang Mai (average of $1,095). Flying from Seattle to Chiang Mai in December is currently the most expensive (average of $1,617). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$1,283

February

$1,279

March

$1,095

April

$1,165

May

$1,238

June

$1,572

July

$1,611

August

$1,365

September

$1,169

October

$1,230

November

$1,247

December

$1,617

Temperature and rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature and rainfall totals by month.

CNX

Temperature

69.8 - 84.2 °F

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated May 16, 2024.
Peruse reviews from past customers who have flown with China Airlines, EVA Air and Asiana Airlines from Seattle to Chiang Mai to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Korean Air
8.5
Very good
1,171 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

EVA Air
8.4
Very good
1,516 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Asiana Airlines
8.4
Very good
577 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Japan Airlines
8.3
Very good
1,472 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

China Airlines
8.3
Very good
910 reviews
Korean Air
8.5
Very good
1,171 reviews
Check prices

Food

8.1

Crew

8.8

Entertainment

8.2

Overall

8.5

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Chiang Mai for under $800 on Cheapflights?

    Yes, there are multiple flights from Seattle to Chiang Mai for under $800. The cheapest flight booked recently is on China Airlines for just $749, but on average you can expect to pay $967.

  • What are the cheapest airlines flying from Seattle to Chiang Mai round-trip?

    According to our current data, China Airlines ($749), EVA Air ($913), and Asiana Airlines ($989) offers the cheapest pricing from Seattle to Chiang Mai. Users have found that China Airlines is 43% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Chiang Mai one-way?

    The cheapest airline one-way is China Airlines, with whom users have recently found tickets for as low as $454. However, be on the lookout for offers from EVA Air and Asiana Airlines, as they are both options that can get you from Seattle to Chiang Mai for a low price.

  • What are the most popular airlines that fly from Seattle to Chiang Mai?

    Before booking your flight from Seattle to Chiang Mai check out the most popular airlines for this route: EVA Air, Delta or Korean Air.

  • What does SEA to CNX mean?

    SEA and CNX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to CNX refers to a flight route from Seattle/Tacoma Intl Airport to Chiang Mai Airport.

  • Can I find deals for flights from Seattle to Chiang Mai that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Chiang Mai flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Chiang Mai with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Chiang Mai flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on Seattle to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Chiang Mai.

  • Can I find deals for business class flights from Seattle to Chiang Mai?

    Yes. Cheapflights offers flight deals from Seattle to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Chiang Mai that allow pets onboard?

    Many airlines flying from Seattle to Chiang Mai offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Chiang Mai?

    Yes, you can often find last-minute deals on Seattle to Chiang Mai flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Chiang Mai flight deals updated?

    The Seattle to Chiang Mai flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for Seattle to Chiang Mai
See prices for flight routes from nearby airports that may be better suited for you.

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Top 4 airlines flying from Seattle to Chiang Mai

Discover the top 4 airlines that operate flights from Seattle to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,018Average$1,223FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Korean AirCheapest$1,024Average$1,202FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
EVA AirCheapest$1,062Average$1,344FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Asiana AirlinesCheapest$1,251Average$1,358FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
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Search flights from Seattle to Chiang Mai by cabin class

Find flights from Seattle to Chiang Mai, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Can Cheapflights find flights from Seattle to Chiang Mai with no change fees?

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