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Cheap flights from Seattle to Harlingen from $209

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:17 am - 3:59 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
6h 42m1 stop Houston George Bush Intcntl
United Airlines Logo
5:25 pm - 10:51 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
7h 26m1 stop Houston George Bush Intcntl
$358United Airlines
Sat, Oct 24 - Mon, Oct 26
American Airlines Logo
2:26 pm - 10:50 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
6h 24m1 stop Dallas/Fort Worth
American Airlines Logo
5:50 am - 11:14 amHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
7h 24m1 stop Dallas/Fort Worth
$366American Airlines
Fri, Oct 23 - Tue, Oct 27
Southwest Logo
7:10 am - 8:15 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
11h 05m2 stops Phoenix Sky Harbor Intl Austin Bergstrom
Southwest Logo
1:45 pm - 6:40 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
6h 55m1 stop Austin Bergstrom
$387Southwest
Wed, Sep 23 - Tue, Sep 29
Southwest Logo
8:50 am - 9:50 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
11h 00m1 stop Houston Hobby
Southwest Logo
1:45 pm - 6:40 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
6h 55m1 stop Austin Bergstrom
$387Southwest
Wed, Sep 23 - Tue, Sep 29
Southwest Logo
7:10 am - 8:15 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
11h 05m2 stops Phoenix Sky Harbor Intl Austin Bergstrom
Southwest Logo
4:25 pm - 11:10 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
8h 45m2 stops Houston Hobby Denver Intl
$392Southwest
Wed, Sep 23 - Tue, Sep 29
Southwest Logo
11:05 am - 10:55 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
9h 50m2 stops Denver Intl Austin Bergstrom
Southwest Logo
4:35 pm - 11:55 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
9h 20m2 stops Houston Hobby Phoenix Sky Harbor Intl
$398Southwest
Fri, Oct 23 - Tue, Oct 27
Southwest Logo
9:00 am - 5:50 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
6h 50m1 stop Austin Bergstrom
Southwest Logo
6:15 am - 2:20 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
10h 05m2 stops Houston Hobby Denver Intl
$402Southwest
Fri, Oct 23 - Tue, Oct 27
United Airlines Logo
1:58 pm - 10:48 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
6h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
5:25 pm - 10:51 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
7h 26m1 stop Houston George Bush Intcntl
$417United Airlines
Tue, Nov 10 - Wed, Nov 11
United Airlines Logo
6:00 am - 7:47 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
11h 47m2 stops Los Angeles Los Angeles Houston George Bush Intcntl
United Airlines Logo
5:25 pm - 10:51 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
7h 26m1 stop Houston George Bush Intcntl
$422United Airlines
Tue, Nov 10 - Wed, Nov 11
American Airlines Logo
12:51 pm - 10:49 pmSEA  Seattle/Tacoma Intl-HRL Harlingen Valley Intl
7h 58m1 stop Dallas/Fort Worth
American Airlines Logo
2:47 pm - 8:04 pmHRL  Harlingen Valley Intl-SEA Seattle/Tacoma Intl
7h 17m1 stop Dallas/Fort Worth
$516American Airlines
Thu, Dec 24 - Wed, Jan 6

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United Airlines flights from Seattle to Harlingen

Our best United Airlines deals on Seattle to Harlingen flight tickets
United Airlines
Oct 24
SEA7:17 amSeattle/Tacoma Intl
6h 42m
1 stop
HRL3:59 pmHarlingen Valley Intl
Oct 26
HRL5:25 pmHarlingen Valley Intl
7h 26m
1 stop
SEA10:51 pmSeattle/Tacoma Intl
$358
United Airlines
Nov 10
SEA1:58 pmSeattle/Tacoma Intl
6h 50m
1 stop
HRL10:48 pmHarlingen Valley Intl
Nov 11
HRL5:25 pmHarlingen Valley Intl
7h 26m
1 stop
SEA10:51 pmSeattle/Tacoma Intl
$417
United Airlines
Nov 10
SEA6:00 amSeattle/Tacoma Intl
11h 47m
2 stops
HRL7:47 pmHarlingen Valley Intl
Nov 11
HRL5:25 pmHarlingen Valley Intl
7h 26m
1 stop
SEA10:51 pmSeattle/Tacoma Intl
$422

American Airlines flights from Seattle to Harlingen

Our best American Airlines deals on Seattle to Harlingen flight tickets
American Airlines
Oct 23
SEA2:26 pmSeattle/Tacoma Intl
6h 24m
1 stop
HRL10:50 pmHarlingen Valley Intl
Oct 27
HRL5:50 amHarlingen Valley Intl
7h 24m
1 stop
SEA11:14 amSeattle/Tacoma Intl
$366
American Airlines
Dec 24
SEA12:51 pmSeattle/Tacoma Intl
7h 58m
1 stop
HRL10:49 pmHarlingen Valley Intl
Jan 6
HRL2:47 pmHarlingen Valley Intl
7h 17m
1 stop
SEA8:04 pmSeattle/Tacoma Intl
$516
American Airlines
Dec 15
SEA12:47 pmSeattle/Tacoma Intl
8h 44m
1 stop
HRL11:31 pmHarlingen Valley Intl
Dec 31
HRL2:47 pmHarlingen Valley Intl
11h 00m
2 stops
SEA11:47 pmSeattle/Tacoma Intl
$556

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Sat 10/24

7:17 am-3:59 pm

1 stop6h 42m

Harlingen Valley Intl

Mon 10/26

5:25 pm-10:51 pm

1 stop7h 26m

$358
Quickest round-trip

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Fri 10/23

2:26 pm-10:50 pm

1 stop6h 24m

Harlingen Valley Intl

Tue 10/27

5:50 am-11:14 am

1 stop7h 24m

$366

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Wed 9/23

7:10 am-8:15 pm

2 stops11h 05m

Harlingen Valley Intl

Tue 9/29

1:45 pm-6:40 pm

1 stop6h 55m

$387

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Wed 9/23

8:50 am-9:50 pm

1 stop11h 00m

Harlingen Valley Intl

Tue 9/29

1:45 pm-6:40 pm

1 stop6h 55m

$387

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Wed 9/23

7:10 am-8:15 pm

2 stops11h 05m

Harlingen Valley Intl

Tue 9/29

4:25 pm-11:10 pm

2 stops8h 45m

$392

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Fri 10/23

11:05 am-10:55 pm

2 stops9h 50m

Harlingen Valley Intl

Tue 10/27

4:35 pm-11:55 pm

2 stops9h 20m

$398

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Fri 10/23

9:00 am-5:50 pm

1 stop6h 50m

Harlingen Valley Intl

Tue 10/27

6:15 am-2:20 pm

2 stops10h 05m

$402

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Tue 11/10

1:58 pm-10:48 pm

1 stop6h 50m

Harlingen Valley Intl

Wed 11/11

5:25 pm-10:51 pm

1 stop7h 26m

$417

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Tue 11/10

6:00 am-7:47 pm

2 stops11h 47m

Harlingen Valley Intl

Wed 11/11

5:25 pm-10:51 pm

1 stop7h 26m

$422

SeattleHarlingen

SEA Seattle/Tacoma Intl - HRL Harlingen Valley Intl

SEAHRL

Seattle/Tacoma Intl

Thu 12/24

12:51 pm-10:49 pm

1 stop7h 58m

Harlingen Valley Intl

Wed 1/6

2:47 pm-8:04 pm

1 stop7h 17m

$516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Seattle to Harlingen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of July, then book flights to Harlingen from Seattle during May instead. Flights to Harlingen in May, while not as cheap as those in July, still average around $310.

Can stopping save me money on Seattle to Harlingen flights?

You could potentially save up to 17% on your flight if you consider stops on a Seattle to Harlingen flight.

When to book flights from Seattle to Harlingen

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Harlingen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Harlingen (SEA to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Harlingen

Best Price Found

$209

Fastest flight time

6h 00m

Direct flights

None
The best one-way flight to Harlingen from Seattle in the past 72 hours is $209. The best round-trip flight deal from Seattle to Harlingen found on momondo in the last 72 hours is $358.
The fastest flight from Seattle to Harlingen takes 6h 00m
There are no direct flights from Seattle to Harlingen. There are no popular flight routes from Seattle to Harlingen.
Search flight deals

Frequently asked questions about flying from Seattle to Harlingen

  • How far is Seattle/Tacoma Intl to Harlingen Valley Intl by plane?

    Harlingen Valley Intl is 1992.5 mi away from Seattle/Tacoma Intl. By plane, this route typically takes 6h 00m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Harlingen Valley Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Harlingen Valley Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The travel and health documents required for your trip to Harlingen Valley Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Harlingen Valley Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Harlingen?

Best airlines flying from Seattle to Harlingen

Compare and see reviews for airlines that fly from Seattle to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $237Free CancellationRating
7.1
12,046 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Harlingen?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Harlingen. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Harlingen with flexible booking policies on momondo?

Yes. All flights to Harlingen from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Harlingen?

momondo provides multiple filters to help you find the best flight to Harlingen from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Harlingen right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Harlingen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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