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Cheap flights from Seattle to Harlingen (SEA - HRL) from $293

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 4/29. 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
Apr 29 — May 61
From?
To?
Mon 4/29
Mon 5/6
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 April 24, 2024.

Popular in

July

Cheapest in

October

Average price

$421

Round-trip from

$276
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 31% potential price drop
Search Deals
Average for round-trip flights in April 2024
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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 $594 per person but you can even find prices for as low as $394. The most expensive prices can be found in the month of July. Opting for a October flight can save you 47% 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 3,086,534 searches. Data last updated April 24, 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.
Sun 4/285:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/19:48 amHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 4/21$594
Sun 4/285:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/19:48 amHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 4/22$634
Fri 8/306:45 pmSEA - HRL
2 stops22h 56mUnited Airlines
Fri 9/65:20 pmHRL - SEA
2 stops16h 37mUnited Airlines
Deal found 4/23$637
Sun 4/285:00 amSEA - HRL
2 stops14h 14mUnited Airlines
Wed 5/15:00 amHRL - SEA
1 stop9h 57mUnited Airlines
Deal found 4/21$670
Sun 4/287:15 amSEA - HRL
1 stop8h 47mUnited Airlines
Wed 5/15:00 amHRL - SEA
1 stop9h 57mUnited Airlines
Deal found 4/21$766
Sun 4/2811:59 pmSEA - HRL
1 stop9h 10mUnited Airlines
Wed 5/17:15 amHRL - SEA
1 stop7h 42mUnited Airlines
Deal found 4/22$841

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 3,086,534 searches. Data last updated April 24, 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.
Thu 7/1112:24 amSEA - HRL
1 stop7h 10mAmerican Airlines
Sun 7/147:45 pmHRL - SEA
1 stop6h 58mAmerican Airlines
Deal found 4/23$426
Fri 8/305:15 pmSEA - HRL
1 stop14h 43mAmerican Airlines
Fri 9/64:30 pmHRL - SEA
1 stop6h 43mAmerican Airlines
Deal found 4/23$560
Fri 8/305:15 pmSEA - HRL
1 stop16h 25mAmerican Airlines
Fri 9/64:30 pmHRL - SEA
2 stops9h 29mAmerican Airlines
Deal found 4/23$565
Thu 8/2912:59 amSEA - HRL
1 stop8h 41mAmerican Airlines
Fri 9/62:13 pmHRL - SEA
1 stop9h 00mAmerican Airlines
Deal found 4/23$586
Thu 8/2912:59 amSEA - HRL
1 stop8h 41mAmerican Airlines
Fri 9/64:30 pmHRL - SEA
2 stops9h 29mAmerican Airlines
Deal found 4/23$591
Fri 7/125:00 amSEA - HRL
2 stops8h 43mAmerican Airlines
Sun 7/147:45 pmHRL - SEA
1 stop6h 58mAmerican Airlines
Deal found 4/23$722
Thu 7/111:14 amSEA - HRL
1 stop8h 19mAmerican Airlines
Sun 7/1412:05 pmHRL - SEA
2 stops11h 55mAmerican Airlines
Deal found 4/23$791
Fri 7/125:44 pmSEA - HRL
2 stops13h 50mAmerican Airlines
Sun 7/1412:05 pmHRL - SEA
2 stops11h 55mAmerican Airlines
Deal found 4/23$796

Cheap Seattle to Harlingen flights in April & May 2024

Find cheap flight options from Seattle to Harlingen specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 24, 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.
Wed 4/245:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Tue 4/305:00 amHRL - SEA
2 stops18h 08mUnited Airlines
Deal found 4/22$574
Wed 5/2911:50 pmSEA - HRL
1 stop9h 05mUnited Airlines
Sat 6/112:05 pmHRL - SEA
1 stop9h 19mUnited Airlines
Deal found 4/22$592
Sun 4/285:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/19:48 amHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 4/21$594
Wed 5/2911:01 amSEA - HRL
1 stop8h 05mUnited Airlines
Fri 5/315:05 amHRL - SEA
1 stop16h 19mUnited Airlines
Deal found 4/22$621
Sun 4/285:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/19:48 amHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 4/22$634
Wed 5/298:58 amSEA - HRL
2 stops11h 54mUnited Airlines
Fri 5/315:05 amHRL - SEA
1 stop16h 19mUnited Airlines
Deal found 4/22$645
Wed 5/2911:05 amSEA - HRL
2 stops9h 47mUnited Airlines
Sat 6/112:05 pmHRL - SEA
1 stop9h 19mUnited Airlines
Deal found 4/22$657
Sun 4/285:00 amSEA - HRL
2 stops14h 14mUnited Airlines
Wed 5/15:00 amHRL - SEA
1 stop9h 57mUnited Airlines
Deal found 4/21$670
Wed 5/2911:50 pmSEA - HRL
1 stop9h 05mUnited Airlines
Sat 6/15:15 pmHRL - SEA
3 stops19h 25mUnited Airlines
Deal found 4/22$680

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 3,086,534 searches. Data last updated April 24, 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.
Thu 7/1112:24 amSEA - HRL
1 stop7h 10mAmerican Airlines
Sun 7/147:45 pmHRL - SEA
1 stop6h 58mAmerican Airlines
Deal found 4/23$426
Wed 4/245:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Tue 4/305:00 amHRL - SEA
2 stops18h 08mUnited Airlines
Deal found 4/22$574
Wed 5/2911:50 pmSEA - HRL
1 stop9h 05mUnited Airlines
Sat 6/112:05 pmHRL - SEA
1 stop9h 19mUnited Airlines
Deal found 4/22$592
Sun 4/285:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/19:48 amHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 4/21$594
Tue 7/911:59 pmSEA - HRL
1 stop8h 50mUnited Airlines
Tue 7/167:25 amHRL - SEA
1 stop17h 28mUnited Airlines
Deal found 4/22$616
Wed 5/2911:01 amSEA - HRL
1 stop8h 05mUnited Airlines
Fri 5/315:05 amHRL - SEA
1 stop16h 19mUnited Airlines
Deal found 4/22$621
Sun 4/285:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/19:48 amHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 4/22$634
Wed 5/298:58 amSEA - HRL
2 stops11h 54mUnited Airlines
Fri 5/315:05 amHRL - SEA
1 stop16h 19mUnited Airlines
Deal found 4/22$645
Wed 5/2911:05 amSEA - HRL
2 stops9h 47mUnited Airlines
Sat 6/112:05 pmHRL - SEA
1 stop9h 19mUnited Airlines
Deal found 4/22$657

Seattle to Harlingen flights leaving soon

Find last-minute flight options from Seattle to Harlingen 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 3,086,534 searches. Data last updated April 24, 2024.
Check out these flights departing soon from Seattle to Harlingen. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sun 4/285:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/19:48 amHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 4/21$594
Sun 4/285:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 5/19:48 amHRL - SEA
2 stops13h 20mUnited Airlines
Deal found 4/22$634
Sun 4/285:00 amSEA - HRL
2 stops14h 14mUnited Airlines
Wed 5/15:00 amHRL - SEA
1 stop9h 57mUnited Airlines
Deal found 4/21$670
Sun 4/287:15 amSEA - HRL
1 stop8h 47mUnited Airlines
Wed 5/15:00 amHRL - SEA
1 stop9h 57mUnited Airlines
Deal found 4/21$766
Sun 4/2811:59 pmSEA - HRL
1 stop9h 10mUnited Airlines
Wed 5/17:15 amHRL - SEA
1 stop7h 42mUnited Airlines
Deal found 4/22$841

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 3,086,534 searches. Data last updated April 24, 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.
Mon 4/297:10 pmSEA - HRL
2 stops18h 50mUnited Airlines
Deal found 4/22$293
Mon 4/296:44 amSEA - HRL
3 stops31h 16mUnited Airlines
Deal found 4/22$323
Mon 4/291:42 pmSEA - HRL
1 stop8h 17mAmerican Airlines
Deal found 4/22$338

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 3,086,534 searches. Data last updated April 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$426 - $796

Route

Depart

Return

Price

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 7/11

1 stop7h 10m

Harlingen Valley Intl

Sun 7/14

1 stop6h 58m

$426

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 8/30

1 stop14h 43m

Harlingen Valley Intl

Fri 9/6

1 stop6h 43m

$560

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 8/30

1 stop16h 25m

Harlingen Valley Intl

Fri 9/6

2 stops9h 29m

$565

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 8/29

1 stop8h 41m

Harlingen Valley Intl

Fri 9/6

1 stop9h 00m

$586

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 8/29

1 stop8h 41m

Harlingen Valley Intl

Fri 9/6

2 stops9h 29m

$591

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 8/30

2 stops22h 56m

Harlingen Valley Intl

Fri 9/6

2 stops16h 37m

$637

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 7/12

2 stops8h 43m

Harlingen Valley Intl

Sun 7/14

1 stop6h 58m

$722

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 7/11

1 stop8h 19m

Harlingen Valley Intl

Sun 7/14

2 stops11h 55m

$791

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 7/12

2 stops13h 50m

Harlingen Valley Intl

Sun 7/14

2 stops11h 55m

$796

Flights are sorted by cheapest first

Deals found on 4/23

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 April 14, 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.
Search Deals

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 $318 while a round-trip flight costs $630. Price data was last updated on April 21, 2024.

Currently, January is the cheapest month in which you can book a flight from Seattle to Harlingen, Texas (average of $276). Flying from Seattle to Harlingen, Texas in July is currently the most expensive (average of $474). 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

$282

May

$405

June

$465

July

$474

August

$356

September

$361

October

$366

November

$376

December

$342

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 April 24, 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
11,272 reviews
Check prices

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

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
11,272 reviews
United Airlines
7.4
Good
11,272 reviews
Check prices

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

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
14,914 reviews
United Airlines
7.4
Good
11,272 reviews
Check prices

Comfort

7.2

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

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 $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Harlingen, Texas for under $500. The cheapest flight booked recently is on American Airlines for just $426, but on average you can expect to pay $630.

  • Are there last-minute flights available from Seattle to Harlingen, Texas for under $600?

    There are currently 5+ open flights from Seattle to Harlingen, Texas within the next 7 days for less than $600.

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

    Currently priced at $426, American Airlines will fly you from Seattle to Harlingen, Texas and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $637. American Airlines is 28% 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 4/23.

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 3,086,534 searches. Data last updated April 24, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$294Average$564FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$318Average$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.
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Business Class
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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