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Cheap flights from Seattle to Harlingen from $312

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Harlingen departing on 7/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
12:59 am - 9:37 amSEA-HRL
6h 38m1 stop
American Airlines Logo
7:59 pm - 12:43 amHRL-SEA
6h 44m1 stop
$312American Airlines
Find Deal
Thu, Jul 31 - Sun, Aug 3
Southwest Logo
10:40 pm - 8:40 amSEA-HRL
8h 00m1 stop
Southwest Logo
10:10 am - 3:10 pmHRL-SEA
7h 00m1 stop
$343Southwest
Find Deal
Fri, Aug 1 - Sun, Aug 3
Southwest Logo
11:45 am - 11:30 pmSEA-HRL
9h 45m2 stops
Southwest Logo
6:00 pm - 12:50 amHRL-SEA
8h 50m2 stops
$388Southwest
Find Deal
Thu, Oct 9 - Mon, Oct 13
Southwest Logo
10:35 am - 11:50 pmSEA-HRL
11h 15m2 stops
Southwest Logo
10:10 am - 3:10 pmHRL-SEA
7h 00m1 stop
$394Southwest
Find Deal
Fri, Aug 1 - Sun, Aug 3
Southwest Logo
10:40 pm - 8:40 amSEA-HRL
8h 00m1 stop
Southwest Logo
10:10 am - 6:40 pmHRL-SEA
10h 30m2 stops
$402Southwest
Find Deal
Fri, Aug 1 - Sun, Aug 3
United Airlines Logo
6:45 am - 9:50 pmSEA-HRL
13h 05m2 stops
United Airlines Logo
1:59 pm - 12:59 amHRL-SEA
13h 00m2 stops
$407United Airlines
Find Deal
Mon, Aug 4 - Thu, Aug 7
American Airlines Logo
11:32 pm - 9:37 amSEA-HRL
8h 05m1 stop
American Airlines Logo
6:20 pm - 12:56 amHRL-SEA
8h 36m1 stop
$422American Airlines
Find Deal
Mon, Aug 4 - Thu, Aug 7
American Airlines Logo
3:43 pm - 11:56 pmSEA-HRL
6h 13m1 stop
American Airlines Logo
10:07 am - 2:48 pmHRL-SEA
6h 41m1 stop
$423American Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
United Airlines Logo
6:45 am - 7:35 pmSEA-HRL
10h 50m2 stops
United Airlines Logo
5:10 am - 10:22 amHRL-SEA
7h 12m1 stop
$490United Airlines
Find Deal
Wed, Jul 16 - Sun, Jul 20
United Airlines Logo
7:37 pm - 4:13 pmSEA-HRL
18h 36m2 stops
United Airlines Logo
5:27 pm - 11:15 pmHRL-SEA
7h 48m1 stop
$561United Airlines
Find Deal
Fri, Oct 10 - Mon, Oct 13

American Airlines flights from Seattle to Harlingen, Texas

Our best American Airlines deals on Seattle to Harlingen, Texas flight tickets
American Airlines
Jul 31
SEA12:59 amSeattle/Tacoma Intl
6h 38m
1 stop
HRL9:37 amHarlingen Valley Intl
Aug 3
HRL7:59 pmHarlingen Valley Intl
6h 44m
1 stop
SEA12:43 amSeattle/Tacoma Intl
American Airlines
Aug 4
SEA11:32 pmSeattle/Tacoma Intl
8h 05m
1 stop
HRL9:37 amHarlingen Valley Intl
Aug 7
HRL6:20 pmHarlingen Valley Intl
8h 36m
1 stop
SEA12:56 amSeattle/Tacoma Intl
American Airlines
Oct 9
SEA3:43 pmSeattle/Tacoma Intl
6h 13m
1 stop
HRL11:56 pmHarlingen Valley Intl
Oct 13
HRL10:07 amHarlingen Valley Intl
6h 41m
1 stop
SEA2:48 pmSeattle/Tacoma Intl

Southwest flights from Seattle to Harlingen, Texas

Our best Southwest deals on Seattle to Harlingen, Texas flight tickets
Southwest
Aug 1
SEA10:40 pmSeattle/Tacoma Intl
8h 00m
1 stop
HRL8:40 amHarlingen Valley Intl
Aug 3
HRL10:10 amHarlingen Valley Intl
7h 00m
1 stop
SEA3:10 pmSeattle/Tacoma Intl
Southwest
Oct 9
SEA11:45 amSeattle/Tacoma Intl
9h 45m
2 stops
HRL11:30 pmHarlingen Valley Intl
Oct 13
HRL6:00 pmHarlingen Valley Intl
8h 50m
2 stops
SEA12:50 amSeattle/Tacoma Intl
Southwest
Aug 1
SEA10:35 amSeattle/Tacoma Intl
11h 15m
2 stops
HRL11:50 pmHarlingen Valley Intl
Aug 3
HRL10:10 amHarlingen Valley Intl
7h 00m
1 stop
SEA3:10 pmSeattle/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 to Harlingen, Texas?

The month of March is, on average, the cheapest month to fly to Harlingen, Texas from Seattle, with most prices found around $307. If you are unable to visit Harlingen, Texas during the month of March, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around $316.

What is the cheapest day to depart on your flight to Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Thursday when prices can be found for as low as $402. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Harlingen, Texas for around $873.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is at noon. Flights from Seattle to Harlingen, Texas during this time can be as low as $364. Flights in the afternoon are often more expensive with an average ticket price of $636.

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

$312

Fastest flight time

6h 13m

Direct flights

None

Airports in Harlingen, Texas

1 airport
The best flight deal from Seattle to Harlingen, Texas found on momondo in the last 72 hours is $312
The fastest flight from Seattle to Harlingen, Texas takes 6h 13m
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 13m.

  • 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 $225Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
SouthwestPriceFrom $327Free CancellationRating
8.0
4,270 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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1 adult
Tue 7/8
Tue 7/15

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