Cheap flights from Shannon (SNN) to Seattle (SEA) from $816

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/13. 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.
SNN — SEA
Jun 4 — Jun 111

Cheap flight deals from Shannon to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to Seattle (SEA). 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 30, 2024.

Round-trip from

$247
From Shannon to Seattle/Tacoma Intl

What is the cheapest time of day to fly from SNN to SEA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Shannon to Seattle as you normally would.

Cheap United Airlines flights from Shannon to Seattle

Explore cheap flight options specifically provided by United Airlines for the route between Shannon and Seattle. 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 2,784,634 searches. Data last updated May 30, 2024.
Find some of the cheapest United Airlines flights traveling from Shannon to Seattle. Make sure to double check the flight details before booking.
Thu 6/1312:30 pmSNN - SEA
2 stops18h 20mUnited Airlines
Mon 6/175:05 amSEA - SNN
2 stops18h 25mUnited Airlines
Deal found 5/29$816
Sun 6/29:30 amSNN - SEA
1 stop14h 38mUnited Airlines
Fri 6/1410:53 amSEA - SNN
1 stop12h 37mUnited Airlines
Deal found 5/29$889
Wed 6/2612:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Sun 7/712:30 amSEA - SNN
1 stop23h 00mUnited Airlines
Deal found 5/29$924
Sat 6/19:30 amSNN - SEA
1 stop32h 17mUnited Airlines
Thu 6/1310:53 amSEA - SNN
1 stop12h 37mUnited Airlines
Deal found 5/29$1,201
Sun 6/309:30 amSNN - SEA
1 stop19h 39mUnited Airlines
Wed 7/1012:30 amSEA - SNN
1 stop23h 00mUnited Airlines
Deal found 5/29$1,381
Wed 6/59:30 amSNN - SEA
2 stops16h 07mUnited Airlines
Mon 6/108:58 amSEA - SNN
3 stops17h 32mUnited Airlines
Deal found 5/29$2,794

Cheap KLM flights from Shannon to Seattle

Explore cheap flight options specifically provided by KLM for the route between Shannon and Seattle. 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 2,784,634 searches. Data last updated May 30, 2024.
Browse through some of the cheapest KLM flights traveling from Shannon to Seattle. Make sure to examine the flight information before completing your reservation.
Tue 6/412:50 pmSNN - SEA
2 stops28h 24mKLM
Wed 6/126:00 amSEA - SNN
2 stops20h 50mKLM
Deal found 5/29$970
Mon 6/312:50 pmSNN - SEA
1 stop17h 28mKLM
Tue 6/1111:00 pmSEA - SNN
1 stop27h 50mKLM
Deal found 5/29$1,017
Wed 6/2612:50 pmSNN - SEA
1 stop17h 35mKLM
Wed 7/107:10 amSEA - SNN
1 stop19h 40mKLM
Deal found 5/29$1,033
Sun 6/212:50 pmSNN - SEA
2 stops19h 31mKLM
Wed 6/126:00 amSEA - SNN
2 stops20h 50mKLM
Deal found 5/29$1,070

Cheap Shannon to Seattle flights in May & June 2024

Find cheap flight options from Shannon to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. For more flight deals, be sure to check back very soon.
Wed 6/512:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Wed 6/1210:53 amSEA - SNN
1 stop12h 37mUnited Airlines
Deal found 5/29$816
Sun 6/29:30 amSNN - SEA
1 stop14h 38mUnited Airlines
Fri 6/1410:53 amSEA - SNN
1 stop12h 37mUnited Airlines
Deal found 5/29$889
Wed 6/2612:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Sun 7/712:30 amSEA - SNN
1 stop23h 00mUnited Airlines
Deal found 5/29$924
Tue 6/412:50 pmSNN - SEA
2 stops28h 24mKLM
Wed 6/126:00 amSEA - SNN
2 stops20h 50mKLM
Deal found 5/29$970
Sat 6/112:50 pmSNN - SEA
1 stop14h 50mDelta
Tue 6/1111:15 amSEA - SNN
1 stop15h 35mDelta
Deal found 5/29$992
Mon 6/39:25 pmSNN - SEA
1 stop22h 10mBritish Airways
Mon 6/101:52 pmSEA - SNN
2 stops18h 18mBritish Airways
Deal found 5/29$999
Mon 6/37:40 amSNN - SEA
2 stops22h 10mBritish Airways
Mon 6/101:52 pmSEA - SNN
2 stops18h 18mBritish Airways
Deal found 5/29$1,005
Mon 6/312:50 pmSNN - SEA
1 stop17h 28mKLM
Tue 6/1111:00 pmSEA - SNN
1 stop27h 50mKLM
Deal found 5/29$1,017
Tue 6/49:25 pmSNN - SEA
1 stop22h 10mMultiple Airlines
Mon 6/101:52 pmSEA - SNN
2 stops18h 18mMultiple Airlines
Deal found 5/29$1,022

Shannon to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Shannon and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. For more flight deals, be sure to check back very soon.
Wed 6/512:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Wed 6/1210:53 amSEA - SNN
1 stop12h 37mUnited Airlines
Deal found 5/29$816
Tue 9/39:30 amSNN - SEA
1 stop14h 11mUnited Airlines
Wed 9/116:45 amSEA - SNN
2 stops16h 45mUnited Airlines
Deal found 5/30$825
Tue 9/312:30 pmSNN - SEA
2 stops29h 18mUnited Airlines
Wed 9/116:45 pmSEA - SNN
2 stops28h 45mUnited Airlines
Deal found 5/30$829
Sun 6/29:30 amSNN - SEA
1 stop14h 38mUnited Airlines
Fri 6/1410:53 amSEA - SNN
1 stop12h 37mUnited Airlines
Deal found 5/29$889
Wed 6/2612:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Sun 7/712:30 amSEA - SNN
1 stop23h 00mUnited Airlines
Deal found 5/29$924
Tue 6/412:50 pmSNN - SEA
2 stops28h 24mKLM
Wed 6/126:00 amSEA - SNN
2 stops20h 50mKLM
Deal found 5/29$970
Sat 6/112:50 pmSNN - SEA
1 stop14h 50mDelta
Sat 6/1511:00 pmSEA - SNN
1 stop27h 50mDelta
Deal found 5/29$992
Mon 6/39:25 pmSNN - SEA
1 stop22h 10mBritish Airways
Mon 6/101:52 pmSEA - SNN
2 stops18h 18mBritish Airways
Deal found 5/29$999
Mon 6/37:40 amSNN - SEA
2 stops22h 10mBritish Airways
Mon 6/101:52 pmSEA - SNN
2 stops18h 18mBritish Airways
Deal found 5/29$1,005

Shannon to Seattle flights leaving soon

Find last-minute flight options from Shannon to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Book one of these great deals on flights from Shannon to Seattle. Users should be sure to double check the price, date, and time of their last-minute flight.
Wed 6/512:30 pmSNN - SEA
1 stop16h 53mUnited Airlines
Wed 6/1210:53 amSEA - SNN
1 stop12h 37mUnited Airlines
Deal found 5/29$816
Sun 6/29:30 amSNN - SEA
1 stop14h 38mUnited Airlines
Fri 6/1410:53 amSEA - SNN
1 stop12h 37mUnited Airlines
Deal found 5/29$889
Tue 6/412:50 pmSNN - SEA
2 stops28h 24mKLM
Wed 6/126:00 amSEA - SNN
2 stops20h 50mKLM
Deal found 5/29$970
Sat 6/112:50 pmSNN - SEA
1 stop14h 50mDelta
Tue 6/1111:15 amSEA - SNN
1 stop15h 35mDelta
Deal found 5/29$992
Mon 6/39:25 pmSNN - SEA
1 stop22h 10mBritish Airways
Mon 6/101:52 pmSEA - SNN
2 stops18h 18mBritish Airways
Deal found 5/29$999
Mon 6/37:40 amSNN - SEA
2 stops22h 10mBritish Airways
Mon 6/101:52 pmSEA - SNN
2 stops18h 18mBritish Airways
Deal found 5/29$1,005
Mon 6/312:50 pmSNN - SEA
1 stop17h 28mKLM
Tue 6/1111:00 pmSEA - SNN
1 stop27h 50mKLM
Deal found 5/29$1,017
Tue 6/49:25 pmSNN - SEA
1 stop22h 10mMultiple Airlines
Mon 6/101:52 pmSEA - SNN
2 stops18h 18mMultiple Airlines
Deal found 5/29$1,022
Mon 6/39:25 pmSNN - SEA
1 stop22h 10mMultiple Airlines
Sun 6/91:25 pmSEA - SNN
2 stops18h 45mMultiple Airlines
Deal found 5/29$1,049

Find flights from Shannon to Seattle within your budget

Customize your flight search to find flights from Shannon to Seattle 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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$816 - $1,381

Route

Depart

Return

Price

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Thu 6/13

2 stops18h 20m

Seattle/Tacoma Intl

Mon 6/17

2 stops18h 25m

$816

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Wed 6/26

1 stop16h 53m

Seattle/Tacoma Intl

Sun 7/7

1 stop23h 00m

$924

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Wed 6/26

1 stop17h 35m

Seattle/Tacoma Intl

Wed 7/10

1 stop19h 40m

$1,033

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Sun 6/30

2 stops45h 26m

Seattle/Tacoma Intl

Wed 7/17

2 stops19h 40m

$1,238

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Sun 6/30

2 stops45h 26m

Seattle/Tacoma Intl

Mon 7/15

2 stops33h 00m

$1,244

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Sun 6/30

2 stops45h 26m

Seattle/Tacoma Intl

Fri 7/12

2 stops28h 10m

$1,280

ShannonSeattle/Tacoma Intl

SNN - SEA

SNNSEA

Shannon

Sun 6/30

1 stop19h 39m

Seattle/Tacoma Intl

Wed 7/10

1 stop23h 00m

$1,381

Flights are sorted by cheapest first

Deals found on 5/29

What is the cheapest day to fly from Shannon to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Shannon to Seattle. Price data was last updated on April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Shannon to Seattle flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Shannon to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Shannon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Seattle by month

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

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated May 30, 2024.
See what other customers who have flown with United Airlines, KLM and British Airways from Shannon to Seattle have to say. 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.
7.9
Good
1,520 reviews

Food

7.4

Boarding

7.9

Entertainment

7.2

Overall

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.9
Good
1,520 reviews
7.9
Good
1,520 reviews

Food

7.4

Boarding

7.9

Entertainment

7.2

Overall

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.4
Good
10,777 reviews
7.9
Good
1,520 reviews

Food

7.4

Boarding

7.9

Entertainment

7.2

Overall

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Shannon to Seattle. 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 Shannon to Seattle for under $900 on Cheapflights?

    Yes, there are multiple flights from Shannon to Seattle for under $900. The cheapest flight booked recently is on United Airlines for just $816, but on average you can expect to pay $1,130.

  • Are there last-minute flights available from Shannon to Seattle for under $900?

    There are currently 20+ open flights from Shannon to Seattle within the next 7 days for less than $900.

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

    Our cheapest airline available from Shannon to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $816 on this airline. An additional option worth looking into is KLM, starting at $1,033.

  • What does SNN to SEA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Shannon Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a SNN to SEA flight.

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

    The amount of baggage you can bring on your Shannon to Seattle 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 Shannon to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Shannon to Seattle 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 Shannon to Seattle that include hotel bookings?

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

  • How can I find direct flights from Shannon to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Shannon to Seattle 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 Shannon to Seattle that allow pets onboard?

    Many airlines flying from Shannon to Seattle 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 Shannon to Seattle?

    Yes, you can often find last-minute deals on Shannon to Seattle 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 Shannon to Seattle flight deals updated?

    The Shannon to Seattle flight deals you see on this page were last updated on 5/30.

  • What is the cheapest month to book a flight from Shannon to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Shannon to Seattle (average of $247). Flying from Shannon to Seattle in July is currently the most expensive (average of $406). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Search flights from Shannon to Seattle by cabin class

Find flights from Shannon to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Shannon to Seattle?

Cheapflights makes it easy to find Shannon to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Shannon to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Shannon to Seattle.

Can Cheapflights find flights from Shannon to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Shannon shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Shannon to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Shannon to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.