Cheap flights from Seattle to Harlingen (SEA - HRL) from $193

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 6/18. 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
Mar 24 — Mar 311

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 March 19, 2024.

Popular in

July

Cheapest in

October

Round-trip from

$276

One-way from

$262
High demand for flights, 32% potential price rise
Best time to find cheap flights, 31% potential price drop
From Seattle/Tacoma Intl to Harlingen Valley Intl
One-way flight from Seattle/Tacoma Intl to Harlingen Valley Intl

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 in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

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 3,145,932 searches. Data last updated March 19, 2024.
Consider these cheap American 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.
Sat 4/1311:30 pmSEA - HRL
1 stop8h 54mAmerican Airlines
Tue 4/168:00 pmHRL - SEA
1 stop15h 56mAmerican Airlines
Deal found 3/18$395
Fri 4/1212:59 amSEA - HRL
1 stop9h 07mAmerican Airlines
Tue 4/168:00 pmHRL - SEA
1 stop15h 56mAmerican Airlines
Deal found 3/18$516
Thu 7/111:14 amSEA - HRL
1 stop6h 20mAmerican Airlines
Sun 7/148:07 pmHRL - SEA
1 stop6h 36mAmerican Airlines
Deal found 3/18$578
Fri 7/125:00 amSEA - HRL
1 stop8h 43mAmerican Airlines
Sun 7/148:07 pmHRL - SEA
1 stop6h 36mAmerican Airlines
Deal found 3/18$624
Fri 4/1212:59 amSEA - HRL
1 stop9h 07mAmerican Airlines
Tue 4/1610:54 amHRL - SEA
2 stops12h 01mAmerican Airlines
Deal found 3/18$704
Sat 6/1512:20 amSEA - HRL
1 stop9h 13mAmerican Airlines
Sun 6/308:11 pmHRL - SEA
1 stop6h 36mAmerican Airlines
Deal found 3/18$749
Sun 6/165:00 amSEA - HRL
1 stop8h 46mAmerican Airlines
Sun 6/308:11 pmHRL - SEA
1 stop6h 36mAmerican Airlines
Deal found 3/18$788
Fri 7/1210:56 pmSEA - HRL
2 stops14h 47mAmerican Airlines
Sun 7/144:13 pmHRL - SEA
1 stop8h 55mAmerican Airlines
Deal found 3/18$833
Sun 3/2412:59 amSEA - HRL
1 stop7h 27mAmerican Airlines
Mon 4/14:11 pmHRL - SEA
1 stop9h 18mAmerican Airlines
Deal found 3/19$841

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 3,145,932 searches. Data last updated March 19, 2024.
Some of the best deals we've found on United Airlines flights traveling from Seattle to Harlingen. Check back soon if you're not seeing flights that suit your needs.
Sat 4/2011:59 pmSEA - HRL
1 stop9h 10mUnited Airlines
Wed 4/245:20 pmHRL - SEA
1 stop7h 26mUnited Airlines
Deal found 3/17$346
Sat 4/205:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 4/245:20 pmHRL - SEA
1 stop7h 26mUnited Airlines
Deal found 3/17$405
Sat 4/208:20 amSEA - HRL
2 stops12h 39mUnited Airlines
Wed 4/249:48 amHRL - SEA
2 stops15h 12mUnited Airlines
Deal found 3/17$464
Sat 4/135:44 amSEA - HRL
2 stops10h 18mUnited Airlines
Tue 4/165:00 amHRL - SEA
2 stops15h 41mUnited Airlines
Deal found 3/18$484
Mon 3/257:10 pmSEA - HRL
2 stops18h 56mUnited Airlines
Mon 4/15:20 pmHRL - SEA
2 stops18h 27mUnited Airlines
Deal found 3/19$690
Mon 3/257:10 pmSEA - HRL
2 stops18h 56mUnited Airlines
Mon 4/19:48 amHRL - SEA
3 stops28h 19mUnited Airlines
Deal found 3/19$770
Mon 3/253:10 pmSEA - HRL
3 stops18h 01mUnited Airlines
Mon 4/19:48 amHRL - SEA
3 stops28h 19mUnited Airlines
Deal found 3/19$891
Fri 7/1212:37 pmSEA - HRL
2 stops20h 12mUnited Airlines
Sun 7/145:25 pmHRL - SEA
2 stops16h 37mUnited Airlines
Deal found 3/18$922

Cheap Seattle to Harlingen flights in March & April 2024

Find cheap flight options from Seattle to Harlingen specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 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.
Sat 4/139:32 pmSEA - HRL
2 stops15h 27mMultiple Airlines
Tue 4/162:05 pmHRL - SEA
1 stop28h 35mMultiple Airlines
Deal found 3/18$313
Sat 4/2011:59 pmSEA - HRL
1 stop9h 10mUnited Airlines
Wed 4/245:20 pmHRL - SEA
1 stop7h 26mUnited Airlines
Deal found 3/17$346
Sat 4/1311:30 pmSEA - HRL
1 stop8h 54mAmerican Airlines
Tue 4/168:00 pmHRL - SEA
1 stop15h 56mAmerican Airlines
Deal found 3/18$395
Sat 4/205:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 4/245:20 pmHRL - SEA
1 stop7h 26mUnited Airlines
Deal found 3/17$405
Sat 4/208:20 amSEA - HRL
2 stops12h 39mUnited Airlines
Wed 4/249:48 amHRL - SEA
2 stops15h 12mUnited Airlines
Deal found 3/17$464
Sat 4/135:44 amSEA - HRL
2 stops10h 18mUnited Airlines
Tue 4/165:00 amHRL - SEA
2 stops15h 41mUnited Airlines
Deal found 3/18$484
Fri 4/1912:35 amSEA - HRL
1 stop11h 39mDelta
Wed 4/243:30 pmHRL - SEA
1 stop19h 24mDelta
Deal found 3/18$514
Fri 4/1212:59 amSEA - HRL
1 stop9h 07mAmerican Airlines
Tue 4/168:00 pmHRL - SEA
1 stop15h 56mAmerican Airlines
Deal found 3/18$516
Mon 3/257:10 pmSEA - HRL
2 stops18h 56mUnited Airlines
Mon 4/15:20 pmHRL - SEA
2 stops18h 27mUnited Airlines
Deal found 3/19$690

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 3,145,932 searches. Data last updated March 19, 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.
Sat 4/139:32 pmSEA - HRL
2 stops15h 27mMultiple Airlines
Tue 4/162:05 pmHRL - SEA
1 stop28h 35mMultiple Airlines
Deal found 3/18$313
Sat 4/2011:59 pmSEA - HRL
1 stop9h 10mUnited Airlines
Wed 4/245:20 pmHRL - SEA
1 stop7h 26mUnited Airlines
Deal found 3/17$346
Sat 4/1311:30 pmSEA - HRL
1 stop8h 54mAmerican Airlines
Tue 4/168:00 pmHRL - SEA
1 stop15h 56mAmerican Airlines
Deal found 3/18$395
Sat 4/205:00 amSEA - HRL
2 stops15h 59mUnited Airlines
Wed 4/245:20 pmHRL - SEA
1 stop7h 26mUnited Airlines
Deal found 3/17$405
Sat 4/208:20 amSEA - HRL
2 stops12h 39mUnited Airlines
Wed 4/249:48 amHRL - SEA
2 stops15h 12mUnited Airlines
Deal found 3/17$464
Sat 4/135:44 amSEA - HRL
2 stops10h 18mUnited Airlines
Tue 4/165:00 amHRL - SEA
2 stops15h 41mUnited Airlines
Deal found 3/18$484
Fri 4/1912:35 amSEA - HRL
1 stop11h 39mDelta
Wed 4/243:30 pmHRL - SEA
1 stop19h 24mDelta
Deal found 3/18$514
Fri 4/1212:59 amSEA - HRL
1 stop9h 07mAmerican Airlines
Tue 4/168:00 pmHRL - SEA
1 stop15h 56mAmerican Airlines
Deal found 3/18$516
Thu 7/111:14 amSEA - HRL
1 stop6h 20mAmerican Airlines
Sun 7/148:07 pmHRL - SEA
1 stop6h 36mAmerican Airlines
Deal found 3/18$578

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 3,145,932 searches. Data last updated March 19, 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.
Mon 3/257:10 pmSEA - HRL
2 stops18h 56mUnited Airlines
Mon 4/15:20 pmHRL - SEA
2 stops18h 27mUnited Airlines
Deal found 3/19$690
Mon 3/257:10 pmSEA - HRL
2 stops18h 56mUnited Airlines
Mon 4/19:48 amHRL - SEA
3 stops28h 19mUnited Airlines
Deal found 3/19$770
Sun 3/2412:59 amSEA - HRL
1 stop7h 27mAmerican Airlines
Mon 4/14:11 pmHRL - SEA
1 stop9h 18mAmerican Airlines
Deal found 3/19$841
Sun 3/2412:59 amSEA - HRL
1 stop7h 27mAmerican Airlines
Mon 4/15:50 amHRL - SEA
2 stops13h 18mAmerican Airlines
Deal found 3/19$846
Mon 3/253:10 pmSEA - HRL
3 stops18h 01mUnited Airlines
Mon 4/19:48 amHRL - SEA
3 stops28h 19mUnited Airlines
Deal found 3/19$891

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 3,145,932 searches. Data last updated March 19, 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 6/181:14 amSEA - HRL
1 stop6h 28mAmerican Airlines
Deal found 3/17$193
Wed 6/1911:15 amSEA - HRL
2 stops10h 44mAmerican Airlines
Deal found 3/17$258
Sun 4/710:35 pmSEA - HRL
3 stops58h 31mMultiple Airlines
Deal found 3/17$261
Sun 4/710:35 pmSEA - HRL
2 stops36h 11mMultiple Airlines
Deal found 3/17$262
Sun 4/711:59 pmSEA - HRL
1 stop9h 17mSun Country Air
Deal found 3/17$267
Fri 3/2912:59 amSEA - HRL
1 stop7h 27mAmerican Airlines
Deal found 3/19$338
Sat 3/305:00 amSEA - HRL
2 stops8h 41mAmerican Airlines
Deal found 3/19$410
Wed 6/194:25 pmSEA - HRL
3 stops28h 27mUnited Airlines
Deal found 3/17$484
Sat 3/308:23 amSEA - HRL
3 stops10h 51mUnited Airlines
Deal found 3/19$547

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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$313 - $578

Route

Depart

Return

Price

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sat 4/13

2 stops15h 27m

Harlingen Valley Intl

Tue 4/16

1 stop28h 35m

$313

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sat 4/20

1 stop9h 10m

Harlingen Valley Intl

Wed 4/24

1 stop7h 26m

$346

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sat 4/13

1 stop8h 54m

Harlingen Valley Intl

Tue 4/16

1 stop15h 56m

$395

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sat 4/20

2 stops15h 59m

Harlingen Valley Intl

Wed 4/24

1 stop7h 26m

$405

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sat 4/20

2 stops12h 39m

Harlingen Valley Intl

Wed 4/24

2 stops15h 12m

$464

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Sat 4/13

2 stops10h 18m

Harlingen Valley Intl

Tue 4/16

2 stops15h 41m

$484

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 4/19

1 stop11h 39m

Harlingen Valley Intl

Wed 4/24

1 stop19h 24m

$514

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 4/12

1 stop9h 07m

Harlingen Valley Intl

Tue 4/16

1 stop15h 56m

$516

Seattle/Tacoma IntlHarlingen Valley Intl

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 7/11

1 stop6h 20m

Harlingen Valley Intl

Sun 7/14

1 stop6h 36m

$578

Flights are sorted by cheapest first

Deals found on 3/18

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 March 17, 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 $336 while a round-trip flight costs $446. Price data was last updated on March 10, 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 June is currently the most expensive (average of $472). 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

$377

April

$337

May

$463

June

$472

July

$462

August

$364

September

$371

October

$364

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 March 19, 2024.
To help decide which airline to fly from Seattle to Harlingen, see what other customers have to say about American Airlines and United 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.
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Comfort

7.9

Overall

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,551 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Comfort

7.9

Overall

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,602 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Comfort

7.9

Overall

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,312 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Comfort

7.9

Overall

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
704 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Comfort

7.9

Overall

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

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 Multiple Airlines for just $313, but on average you can expect to pay $635.

  • Are there last-minute flights available from Seattle to Harlingen, Texas for under $700?

    There are currently 5+ open flights from Seattle to Harlingen, Texas within the next 7 days for less than $700.

  • 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. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $395 and $514, respectively. United Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Harlingen, Texas one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $193. However, be on the lookout for offers from Sun Country Air and United Airlines, as they are both options that can get you from Seattle to Harlingen, Texas for a low price.

  • 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.

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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$326Average$548FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$387Average$560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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.

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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