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Cheap flights from Seattle to Harlingen (SEA - HRL) from $149

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 6/11. 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 — HRL
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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Cheap flight deals from Seattle to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Harlingen (HRL). 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

July

Cheapest in

October

Round-trip from

$267

One-way from

$149
High demand for flights, 30% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Seattle/Tacoma Intl to Harlingen Valley Intl
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One-way flight from Seattle/Tacoma Intl to Harlingen Valley Intl
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What is the cheapest day to fly round-trip from Seattle to Harlingen, Texas?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Harlingen, Texas. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Seattle to Harlingen, Texas?

October is one of the best times of the year to fly to Harlingen, Texas from Seattle. Prices for October average $578 per person but you can even find prices for as low as $395. The most expensive prices can be found in the month of July. Opting for a October flight can save you 42% on your journey compared to booking in July

When is the cheapest time to fly from Seattle to Harlingen, Texas (SEA - HRL)?

It’s typically best to fly out from Seattle to Harlingen, Texas at noon. Doing so could potentially save you 42% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap United Airlines flights from Seattle to Harlingen

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Harlingen. 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.
Consider these cheap United Airlines flights we've found departing from Seattle to Harlingen. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 8/207:15 amSEA - HRL
1 stop6h 44mUnited Airlines
Wed 8/215:05 amHRL - SEA
1 stop7h 02mUnited Airlines
Deal found 5/14$346
Tue 8/204:25 pmSEA - HRL
2 stops16h 26mUnited Airlines
Wed 8/215:20 pmHRL - SEA
1 stop7h 33mUnited Airlines
Deal found 5/14$424
Tue 8/207:15 amSEA - HRL
1 stop6h 44mUnited Airlines
Wed 8/217:27 amHRL - SEA
3 stops16h 32mUnited Airlines
Deal found 5/15$487
Tue 8/2011:03 amSEA - HRL
1 stop6h 38mUnited Airlines
Wed 8/217:27 amHRL - SEA
3 stops16h 32mUnited Airlines
Deal found 5/14$491

Cheap American Airlines flights from Seattle to Harlingen

Explore cheap flight options specifically provided by American Airlines for the route between Seattle and Harlingen. 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 American Airlines flights traveling from Seattle to Harlingen. Check back soon if you're not seeing flights that suit your needs.
Sun 6/21:15 amSEA - HRL
1 stop8h 35mAmerican Airlines
Tue 6/115:51 amHRL - SEA
1 stop15h 35mAmerican Airlines
Deal found 5/16$541
Mon 6/312:28 pmSEA - HRL
2 stops9h 31mAmerican Airlines
Tue 6/115:51 amHRL - SEA
1 stop13h 09mAmerican Airlines
Deal found 5/16$646
Mon 8/1912:18 amSEA - HRL
1 stop9h 18mAmerican Airlines
Wed 8/215:38 amHRL - SEA
1 stop9h 08mAmerican Airlines
Deal found 5/14$756
Sun 6/21:15 amSEA - HRL
1 stop6h 32mAmerican Airlines
Tue 6/1112:06 pmHRL - SEA
2 stops10h 37mAmerican Airlines
Deal found 5/16$786
Mon 6/312:28 pmSEA - HRL
2 stops9h 31mAmerican Airlines
Tue 6/1112:06 pmHRL - SEA
2 stops11h 51mAmerican Airlines
Deal found 5/16$791

Cheap Seattle to Harlingen flights in May & June 2024

Find cheap flight options from Seattle to Harlingen 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.
Listed are some of the best fares we've found on flights departing from Seattle to Harlingen in 2024. Check back in a little while for more flight options.
Fri 5/175:00 amSEA - HRL
2 stops14h 14mUnited Airlines
Tue 5/219:48 amHRL - SEA
2 stops13h 39mUnited Airlines
Deal found 5/16$685
Sat 5/185:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/225:20 pmHRL - SEA
2 stops18h 42mUnited Airlines
Deal found 5/16$702
Fri 5/175:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Tue 5/215:00 amHRL - SEA
1 stop7h 14mUnited Airlines
Deal found 5/16$711
Fri 5/171:15 amSEA - HRL
1 stop6h 32mAmerican Airlines
Wed 5/2212:22 pmHRL - SEA
1 stop8h 59mAmerican Airlines
Deal found 5/16$826
Thu 5/161:15 amSEA - HRL
1 stop6h 32mAmerican Airlines
Tue 5/212:17 pmHRL - SEA
2 stops10h 48mAmerican Airlines
Deal found 5/16$831
Fri 5/171:15 amSEA - HRL
1 stop8h 35mAmerican Airlines
Wed 5/2210:25 amHRL - SEA
2 stops12h 25mAmerican Airlines
Deal found 5/16$961

Seattle to Harlingen 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Harlingen 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.
Listed are some of the best fares we've found on flights departing from Seattle to Harlingen in 2024. Check back in a little while for more flight options.
Tue 8/207:15 amSEA - HRL
1 stop6h 44mUnited Airlines
Wed 8/215:05 amHRL - SEA
1 stop7h 02mUnited Airlines
Deal found 5/14$346
Tue 8/204:25 pmSEA - HRL
2 stops16h 26mUnited Airlines
Wed 8/215:20 pmHRL - SEA
1 stop7h 33mUnited Airlines
Deal found 5/14$424
Tue 8/207:15 amSEA - HRL
1 stop6h 44mUnited Airlines
Wed 8/217:27 amHRL - SEA
3 stops16h 32mUnited Airlines
Deal found 5/15$487
Tue 8/2011:03 amSEA - HRL
1 stop6h 38mUnited Airlines
Wed 8/217:27 amHRL - SEA
3 stops16h 32mUnited Airlines
Deal found 5/14$491
Fri 5/175:00 amSEA - HRL
2 stops14h 14mUnited Airlines
Tue 5/219:48 amHRL - SEA
2 stops13h 39mUnited Airlines
Deal found 5/16$685
Sat 5/185:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/225:20 pmHRL - SEA
2 stops18h 42mUnited Airlines
Deal found 5/16$702
Fri 5/175:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Tue 5/215:00 amHRL - SEA
1 stop7h 14mUnited Airlines
Deal found 5/16$711
Mon 8/1912:18 amSEA - HRL
1 stop9h 18mAmerican Airlines
Wed 8/215:38 amHRL - SEA
1 stop9h 08mAmerican Airlines
Deal found 5/14$756
Fri 5/171:15 amSEA - HRL
1 stop6h 32mAmerican Airlines
Wed 5/2212:22 pmHRL - SEA
1 stop8h 59mAmerican Airlines
Deal found 5/16$826

One-way flights to Harlingen from Seattle

Search for one-way flight options from Seattle to Harlingen. 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.
Users in need of a one-way flight from Seattle to Harlingen can choose from these deals. Those needing a return flight from Seattle to Harlingen can use the search form above.
Tue 6/111:14 amSEA - HRL
1 stop8h 20mAmerican Airlines
Deal found 5/15$149
Wed 6/125:40 amSEA - HRL
1 stop8h 15mAmerican Airlines
Deal found 5/15$189
Wed 6/1211:15 amSEA - HRL
2 stops10h 43mAmerican Airlines
Deal found 5/15$194
Wed 6/124:25 pmSEA - HRL
3 stops21h 32mUnited Airlines
Deal found 5/15$398

Find flights from Seattle to Harlingen within your budget

Customize your flight search to find flights from Seattle to Harlingen 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

$346 - $791

Route

Depart

Return

Price

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 8/20

1 stop6h 44m

Harlingen Valley Intl

Wed 8/21

1 stop7h 02m

$346

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 8/20

2 stops16h 26m

Harlingen Valley Intl

Wed 8/21

1 stop7h 33m

$424

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 8/20

1 stop6h 44m

Harlingen Valley Intl

Wed 8/21

3 stops16h 32m

$487

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 8/20

1 stop6h 38m

Harlingen Valley Intl

Wed 8/21

3 stops16h 32m

$491

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sun 6/2

1 stop8h 35m

Harlingen Valley Intl

Tue 6/11

1 stop15h 35m

$541

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Mon 6/3

2 stops9h 31m

Harlingen Valley Intl

Tue 6/11

1 stop13h 09m

$646

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Mon 8/19

1 stop9h 18m

Harlingen Valley Intl

Wed 8/21

1 stop9h 08m

$756

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sun 6/2

1 stop6h 32m

Harlingen Valley Intl

Tue 6/11

2 stops10h 37m

$786

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Mon 6/3

2 stops9h 31m

Harlingen Valley Intl

Tue 6/11

2 stops11h 51m

$791

Flights are sorted by cheapest first

Deals found on 5/14

When is the cheapest time to fly from Seattle to Harlingen, Texas?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Harlingen. 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 Harlingen, Texas flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Harlingen by month

Plan your trip from Seattle to Harlingen by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Harlingen is currently $233 while a round-trip flight costs $585. Price data was last updated on May 12, 2024.

Currently, April is the cheapest month in which you can book a flight from Seattle to Harlingen, Texas (average of $267). Flying from Seattle to Harlingen, Texas in July is currently the most expensive (average of $468). 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

$276

February

$302

March

$366

April

$267

May

$350

June

$465

July

$468

August

$363

September

$361

October

$367

November

$383

December

$341

Temperature and rainfall in Harlingen by month

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

HRL

Temperature

60.8 - 84.2 °F

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. 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 Harlingen. Reviews last updated May 16, 2024.
To help decide which airline to fly from Seattle to Harlingen, see what other customers have to say about United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,924 reviews
Check prices

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Comfort

7.2

Crew

8.1

Reviews

1 / 10

For those who have to struggle to meet a connecting flight, ✈️ it would be helpful if a U. A. person was meeting those people at an American stopover to assist those passengers thru the back ups with U.S. customs and going thru to meet their next flight!

United Airlines
7.4
Good
10,924 reviews
United Airlines
7.4
Good
10,924 reviews
Check prices

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Comfort

7.2

Crew

8.1

Reviews

1 / 10

For those who have to struggle to meet a connecting flight, ✈️ it would be helpful if a U. A. person was meeting those people at an American stopover to assist those passengers thru the back ups with U.S. customs and going thru to meet their next flight!

American Airlines
7.3
Good
14,514 reviews
United Airlines
7.4
Good
10,924 reviews
Check prices

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Comfort

7.2

Crew

8.1

Reviews

1 / 10

For those who have to struggle to meet a connecting flight, ✈️ it would be helpful if a U. A. person was meeting those people at an American stopover to assist those passengers thru the back ups with U.S. customs and going thru to meet their next flight!

Related info for your journey

Find useful and relevant information for your journey from Seattle to Harlingen. 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 Harlingen, Texas for under $400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Harlingen, Texas for under $400. The cheapest flight booked recently is on United Airlines for just $346, but on average you can expect to pay $585.

  • What are the cheapest airlines flying from Seattle to Harlingen, Texas round-trip?

    Currently priced at $346, United Airlines will fly you from Seattle to Harlingen, Texas and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $541. United Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does SEA to HRL mean?

    SEA and HRL 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 HRL refers to a flight route from Seattle/Tacoma Intl Airport to Harlingen Valley Intl Airport.

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

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

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

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

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

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

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

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

    Many airlines flying from Seattle to Harlingen 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 Harlingen?

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

    The Seattle to Harlingen, Texas flight deals you see on this page were last updated on 5/16.

See more FAQs

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Top 2 airlines flying from Seattle to Harlingen

Discover the top 2 airlines that operate flights from Seattle to Harlingen. 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
United AirlinesCheapest$294Average$564FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$315Average$574FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Seattle to Harlingen by cabin class

Find flights from Seattle to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
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Prem Econ Class
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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 Seattle to Harlingen?

Deals for Seattle to Harlingen flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Seattle to Harlingen by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Seattle to Harlingen with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Harlingen from Seattle today and book when prices fit your budget.

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