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Cheap flights from Seattle to Harlingen, Texas from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Harlingen, Texas departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Harlingen

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Harlingen that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Harlingen.

Cheap last minute flights

Planning a quick getaway from Seattle to Harlingen? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Harlingen, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Harlingen

Find recent round-trip train or bus tickets from Seattle to Harlingen.

All round-trip flight deals to Harlingen

The cheapest plane tickets to Harlingen found on KAYAK recently.
1:53 pm - 11:29 pmSEA-HRL
7h 36m1 stop
5:30 pm - 10:50 pmHRL-SEA
7h 20m1 stop
$416United Airlines
Find Deal
Fri, Dec 6 - Tue, Dec 10
1:53 pm - 11:29 pmSEA-HRL
7h 36m1 stop
11:50 am - 9:05 pmHRL-SEA
11h 15m2 stops
$421United Airlines
Find Deal
Fri, Dec 6 - Tue, Dec 10
9:25 am - 11:29 pmSEA-HRL
12h 04m2 stops
11:50 am - 10:30 pmHRL-SEA
12h 40m2 stops
$426United Airlines
Find Deal
Fri, Dec 6 - Tue, Dec 10
1:42 am - 11:29 amSEA-HRL
7h 47m1 stop
12:07 pm - 7:02 pmHRL-SEA
8h 55m1 stop
$538American Airlines
Find Deal
Wed, Mar 12 - Mon, Mar 24
1:42 am - 10:00 amSEA-HRL
6h 18m1 stop
4:12 pm - 11:47 pmHRL-SEA
9h 35m2 stops
$717American Airlines
Find Deal
Wed, Mar 12 - Mon, Mar 24
5:00 am - 6:10 pmSEA-HRL
11h 10m2 stops
3:40 pm - 12:50 amHRL-SEA
11h 10m2 stops
$722Southwest
Find Deal
Sat, Dec 21 - Thu, Jan 2
11:35 am - 11:50 pmSEA-HRL
10h 15m2 stops
12:55 pm - 8:55 pmHRL-SEA
10h 00m2 stops
$788Southwest
Find Deal
Sun, Dec 22 - Sat, Dec 28
11:59 pm - 10:48 amSEA-HRL
8h 49m1 stop
11:53 am - 6:16 pmHRL-SEA
8h 23m1 stop
$875Sun Country Air
Find Deal
Sun, Dec 22 - Sat, Dec 28
11:59 pm - 10:55 amSEA-HRL
8h 56m1 stop
11:53 am - 1:11 pmHRL-SEA
27h 18m2 stops
Sat, Dec 21 - Thu, Jan 2
2:16 pm - 10:55 amSEA-HRL
18h 39m3 stops
11:53 am - 12:10 amHRL-SEA
38h 17m3 stops
$1,126
Find Deal
Sat, Dec 21 - Thu, Jan 2
5:30 am - 3:34 pmSEA-HRL
8h 04m1 stop
$158American Airlines
Find Deal
Wed, Dec 4
11:56 am - 11:29 pmSEA-HRL
9h 33m2 stops
$163United Airlines
Find Deal
Wed, Dec 4
7:35 am - 11:30 pmSEA-HRL
13h 55m2 stops
$236United Airlines
Find Deal
Thu, Dec 19
1:16 am - 9:47 amSEA-HRL
6h 31m1 stop
$258American Airlines
Find Deal
Tue, Dec 3
12:55 am - 10:35 amSEA-HRL
7h 40m1 stop
$289Delta
Find Deal
Wed, Nov 27
1:58 pm - 11:30 pmSEA-HRL
7h 32m1 stop
$294United Airlines
Find Deal
Thu, Dec 19
10:25 am - 9:59 amSEA-HRL
21h 34m1 stop
$301Sun Country Air
Find Deal
Thu, Nov 28
1:16 am - 9:47 amSEA-HRL
6h 31m1 stop
$318American Airlines
Find Deal
Thu, Nov 28
12:25 am - 3:34 pmSEA-HRL
13h 09m2 stops
$325American Airlines
Find Deal
Wed, Nov 27
11:05 pm - 2:28 pmSEA-HRL
13h 23m2 stops
$578Delta
Find Deal
Wed, Dec 4
10:45 am - 10:50 pmSEA-HRL
10h 05m2 stops
2:05 pm - 12:10 amHRL-SEA
12h 05m2 stops
$797Southwest
Find Deal
Sun, Nov 24 - Sun, Dec 1
1:16 am - 9:47 amSEA-HRL
6h 31m1 stop
5:49 am - 10:37 amHRL-SEA
6h 48m1 stop
$843American Airlines
Find Deal
Sat, Nov 23 - Sun, Dec 1
11:59 pm - 11:13 amSEA-HRL
9h 14m1 stop
9:20 pm - 10:53 pmHRL-SEA
27h 33m1 stop
$890United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
9:41 am - 11:28 pmSEA-HRL
11h 47m2 stops
9:20 pm - 10:53 pmHRL-SEA
27h 33m1 stop
$895United Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 1
12:55 am - 3:13 pmSEA-HRL
12h 18m2 stops
1:20 pm - 9:00 pmHRL-SEA
9h 40m1 stop
$3,128Delta
Find Deal
Sat, Nov 23 - Sun, Dec 1
12:55 am - 3:13 pmSEA-HRL
12h 18m2 stops
1:20 pm - 11:40 pmHRL-SEA
12h 20m2 stops
$3,235Delta
Find Deal
Sat, Nov 23 - Sun, Dec 1

United Airlines flights from Seattle to Harlingen, Texas

Our best United Airlines deals on Seattle to Harlingen, Texas flight tickets
United Airlines
Dec 6
SEA1:53 pmSeattle/Tacoma Intl
7h 36m
1 stop
HRL11:29 pmHarlingen Valley Intl
Dec 10
HRL5:30 pmHarlingen Valley Intl
7h 20m
1 stop
SEA10:50 pmSeattle/Tacoma Intl
United Airlines
Dec 6
SEA1:53 pmSeattle/Tacoma Intl
7h 36m
1 stop
HRL11:29 pmHarlingen Valley Intl
Dec 10
HRL11:50 amHarlingen Valley Intl
11h 15m
2 stops
SEA9:05 pmSeattle/Tacoma Intl
United Airlines
Dec 6
SEA9:25 amSeattle/Tacoma Intl
12h 04m
2 stops
HRL11:29 pmHarlingen Valley Intl
Dec 10
HRL11:50 amHarlingen Valley Intl
12h 40m
2 stops
SEA10:30 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to Harlingen, Texas

Our best American Airlines deals on Seattle to Harlingen, Texas flight tickets
American Airlines
Mar 12
SEA1:42 amSeattle/Tacoma Intl
7h 47m
1 stop
HRL11:29 amHarlingen Valley Intl
Mar 24
HRL12:07 pmHarlingen Valley Intl
8h 55m
1 stop
SEA7:02 pmSeattle/Tacoma Intl
American Airlines
Mar 12
SEA1:42 amSeattle/Tacoma Intl
6h 18m
1 stop
HRL10:00 amHarlingen Valley Intl
Mar 24
HRL4:12 pmHarlingen Valley Intl
9h 35m
2 stops
SEA11:47 pmSeattle/Tacoma Intl
American Airlines
Jan 3
SEA12:55 amSeattle/Tacoma Intl
6h 50m
1 stop
HRL9:45 amHarlingen Valley Intl
Jan 11
HRL5:44 amHarlingen Valley Intl
7h 05m
1 stop
SEA10:49 amSeattle/Tacoma Intl

See travel insights to Harlingen from

How to get the cheapest flight ticket from Seattle to Harlingen, Texas

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 from Seattle to Harlingen, Texas?

November. The cheapest time of year to fly to Harlingen, Texas from Seattle is November. Most expensive is June

What is the cheapest day to depart Seattle for Harlingen, Texas?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Monday

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

At noon. Seattle to Harlingen, Texas flights are approximately 40% more expensive in the afternoon than at noon

What is the cheapest Seattle to Harlingen, Texas flight route?

Seattle/Tacoma Intl - Harlingen Valley Intl. Fly from Seattle/Tacoma Intl to Harlingen Valley Intl for the best Seattle - Harlingen, Texas flight prices

Can stopping save me money on Seattle to Harlingen, Texas flights?

You could potentially save up to 3% on your flight if you consider stops on a Seattle to Harlingen, Texas flight.

When to book flights from Seattle to Harlingen, Texas

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

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

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

Best Price Found

$158

Fastest flight time

6h 18m

Direct flights

None

Airports in Harlingen, Texas

1 airport
The best one-way flight to Harlingen, Texas from Seattle in the past 72 hours is $158. The best round-trip flight deal from Seattle to Harlingen, Texas found on momondo in the last 72 hours is $416.
The fastest flight from Seattle to Harlingen, Texas takes 6h 18m
There are no direct flights from Seattle to Harlingen, Texas. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Harlingen Valley Intl Airport.
There is 1 airport near Harlingen, Texas: Harlingen Valley Intl (HRL)

  • 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 18m.

  • 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, Texas?


Best airlines flying from Seattle to Harlingen, Texas

Compare and see reviews for airlines that fly from Seattle to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $261Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $294Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
SouthwestPriceFrom $327Free CancellationRating
8.1
5,015 reviews
Search Southwest 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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