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Cheap flights from Harlingen, Texas to Washington from $197

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Washington departing on 11/5. 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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0 bags

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Find the cheapest flights from Harlingen, Texas to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:40 pm - 11:42 pmHRL-SEA
7h 02m1 stop
American Airlines Logo
12:41 am - 9:51 amSEA-HRL
7h 10m1 stop
$197American Airlines
Find Deal
Wed, Nov 5 - Tue, Nov 11
American Airlines Logo
6:40 pm - 11:42 pmHRL-SEA
7h 02m1 stop
American Airlines Logo
6:05 am - 6:10 pmSEA-HRL
10h 05m2 stops
$202American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
12:10 pm - 9:13 pmHRL-SEA
11h 03m2 stops
United Airlines Logo
9:04 am - 9:54 pmSEA-HRL
10h 50m2 stops
$273United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
American Airlines Logo
5:50 am - 10:27 amHRL-PDX
6h 37m1 stop
American Airlines Logo
2:10 pm - 12:01 amPDX-HRL
7h 51m1 stop
$287American Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
American Airlines Logo
5:50 am - 3:13 pmHRL-PDX
11h 23m2 stops
American Airlines Logo
2:10 pm - 12:01 amPDX-HRL
7h 51m1 stop
$292American Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
American Airlines Logo
5:50 am - 3:13 pmHRL-PDX
11h 23m2 stops
American Airlines Logo
12:16 pm - 12:01 amPDX-HRL
9h 45m2 stops
$297American Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
American Airlines Logo
5:50 am - 10:27 amHRL-PDX
6h 37m1 stop
American Airlines Logo
2:10 pm - 12:01 amPDX-HRL
7h 51m1 stop
$336American Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
12:10 pm - 9:13 pmHRL-SEA
11h 03m2 stops
United Airlines Logo
9:25 am - 3:59 pmSEA-HRL
28h 34m3 stops
$397United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Sun Country Air Logo
11:37 am - 10:51 pmHRL-SEA
13h 14m1 stop
Sun Country Air Logo
6:28 pm - 11:41 amSEA-HRL
15h 13m1 stop
$485Sun Country Air
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Sun, Dec 21 - Thu, Dec 25
Southwest Logo
6:00 am - 1:30 pmHRL-SEA
9h 30m2 stops
Southwest Logo
8:35 am - 6:30 pmSEA-HRL
7h 55m2 stops
$639Southwest
Find Deal
Sun, Oct 19 - Tue, Oct 21

United Airlines flights from Harlingen, Texas to State of Washington

Our best United Airlines deals on Harlingen, Texas to State of Washington flight tickets
United Airlines
Nov 5
HRL12:10 pmHarlingen Valley Intl
11h 03m
2 stops
SEA9:13 pmSeattle/Tacoma Intl
Nov 12
SEA9:04 amSeattle/Tacoma Intl
10h 50m
2 stops
HRL9:54 pmHarlingen Valley Intl
$273
Find similar
United Airlines
Nov 5
HRL12:10 pmHarlingen Valley Intl
11h 03m
2 stops
SEA9:13 pmSeattle/Tacoma Intl
Nov 12
SEA9:25 amSeattle/Tacoma Intl
28h 34m
3 stops
HRL3:59 pmHarlingen Valley Intl
$397
Find similar
United Airlines
Feb 21
HRL9:20 amHarlingen Valley Intl
10h 31m
2 stops
PDX5:51 pmPortland
Feb 24
PDX3:50 pmPortland
26h 08m
3 stops
HRL7:58 pmHarlingen Valley Intl
$413
Find similar

American Airlines flights from Harlingen, Texas to State of Washington

Our best American Airlines deals on Harlingen, Texas to State of Washington flight tickets
American Airlines
Nov 5
HRL6:40 pmHarlingen Valley Intl
7h 02m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
Nov 11
SEA12:41 amSeattle/Tacoma Intl
7h 10m
1 stop
HRL9:51 amHarlingen Valley Intl
$197
Find similar
American Airlines
Nov 5
HRL6:40 pmHarlingen Valley Intl
7h 02m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
Nov 12
SEA6:05 amSeattle/Tacoma Intl
10h 05m
2 stops
HRL6:10 pmHarlingen Valley Intl
$202
Find similar
American Airlines
Feb 21
HRL5:50 amHarlingen Valley Intl
6h 37m
1 stop
PDX10:27 amPortland
Feb 24
PDX2:10 pmPortland
7h 51m
1 stop
HRL12:01 amHarlingen Valley Intl
$287
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas to State of Washington 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, momondo users made 832,500 searches. Data last updated October 9, 2025.
Use the filters below to find and compare flights from Harlingen, Texas to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 11/5

6:40 pm-11:42 pm

1 stop7h 02m

Seattle/Tacoma Intl

Tue 11/11

12:41 am-9:51 am

1 stop7h 10m

$197

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 11/5

6:40 pm-11:42 pm

1 stop7h 02m

Seattle/Tacoma Intl

Wed 11/12

6:05 am-6:10 pm

2 stops10h 05m

$202

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 11/5

12:10 pm-9:13 pm

2 stops11h 03m

Seattle/Tacoma Intl

Wed 11/12

9:04 am-9:54 pm

2 stops10h 50m

$273

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Sat 2/21

5:50 am-10:27 am

1 stop6h 37m

Portland

Tue 2/24

2:10 pm-12:01 am

1 stop7h 51m

$287

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Sat 2/21

5:50 am-3:13 pm

2 stops11h 23m

Portland

Tue 2/24

2:10 pm-12:01 am

1 stop7h 51m

$292

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Sat 2/21

5:50 am-3:13 pm

2 stops11h 23m

Portland

Tue 2/24

12:16 pm-12:01 am

2 stops9h 45m

$297

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Sat 2/21

5:50 am-10:27 am

1 stop6h 37m

Portland

Tue 2/24

2:10 pm-12:01 am

1 stop7h 51m

$336

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 11/5

12:10 pm-9:13 pm

2 stops11h 03m

Seattle/Tacoma Intl

Wed 11/12

9:25 am-3:59 pm

3 stops28h 34m

$397

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sun 12/21

11:37 am-10:51 pm

1 stop13h 14m

Seattle/Tacoma Intl

Thu 12/25

6:28 pm-11:41 am

1 stop15h 13m

$485

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sun 10/19

6:00 am-1:30 pm

2 stops9h 30m

Seattle/Tacoma Intl

Tue 10/21

8:35 am-6:30 pm

2 stops7h 55m

$639

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington from

How to get the cheapest flight ticket from Harlingen, Texas to State of Washington

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 State of Washington?

The month of February is, on average, the cheapest month to fly to State of Washington from Harlingen, Texas, with most prices found around $263. If you aren’t able to travel to State of Washington during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $297.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Harlingen, Texas to State of Washington is on a Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $355. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Harlingen, Texas to State of Washington for around $552.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $452. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $630 on average. Flights to State of Washington from Harlingen, Texas at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Harlingen, Texas to State of Washington flights?

You could potentially save up to 33% on your flight if you consider stops on a Harlingen, Texas to State of Washington flight.

Cheap Harlingen, Texas to State of Washington flight deals and tips

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

Direct flights

None
There are no direct flights from Harlingen, Texas to State of Washington. There are no popular flight routes from Harlingen, Texas to State of Washington.
Search flight deals

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

    Prices for flights from Harlingen Valley Intl Airport to Washington refresh daily.

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

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Washington?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Harlingen, Texas to State of Washington

Compare and see reviews for airlines that fly from Harlingen, Texas to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $187Free CancellationRating
7.9
7,969 reviews
Search Delta flights
American AirlinesPriceFrom $251Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,968 reviews
Search United Airlines flights
SouthwestPriceFrom $328Free CancellationRating
8.0
4,237 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Harlingen to Washington for you.

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

All flight searches from Harlingen to Washington on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Harlingen to Washington.

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

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Harlingen and alert you when they change.

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