What airlines fly to State of Washington?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to State of Washington from Harlingen according to our data. American Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 4 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Harlingen Valley Intl to Washington?

Southwest, United Airlines, and American Airlines are the most popular carriers operating from Harlingen Valley Intl to Washington

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?

There are 3 operators available for flights from Harlingen Valley Intl Airport to Washington as of September 2026.

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.

$225 Cheap Flights from Harlingen to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Harlingen to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:18 pm - 10:21 pmHRL Harlingen Valley Intl-PDX Portland

7h 03m1 stop Houston George Bush Intcntl

6:50 am - 3:59 pmPDX Portland-HRL Harlingen Valley Intl

7h 09m1 stop Houston George Bush Intcntl

$299United Airlines

Fri, Sep 25 - Tue, Sep 29

2:26 pm - 8:03 pmHRL Harlingen Valley Intl-SEA Seattle/Tacoma Intl

7h 37m1 stop Dallas/Fort Worth

2:07 pm - 11:31 pmSEA Seattle/Tacoma Intl-HRL Harlingen Valley Intl

7h 24m1 stop Dallas/Fort Worth

$307American Airlines

Tue, Dec 8 - Sat, Dec 12

2:26 pm - 8:03 pmHRL Harlingen Valley Intl-SEA Seattle/Tacoma Intl

7h 37m1 stop Dallas/Fort Worth

12:25 am - 10:14 amSEA Seattle/Tacoma Intl-HRL Harlingen Valley Intl

7h 49m1 stop Dallas/Fort Worth

$317American Airlines

Sat, Dec 5 - Mon, Dec 7

6:42 pm - 11:39 pmHRL Harlingen Valley Intl-PDX Portland

6h 57m1 stop Dallas/Fort Worth

11:49 pm - 10:08 amPDX Portland-HRL Harlingen Valley Intl

8h 19m1 stop Dallas/Fort Worth

$317American Airlines

Tue, Oct 6 - Fri, Oct 9

5:05 am - 12:19 pmHRL Harlingen Valley Intl-PDX Portland

9h 14m1 stop Houston George Bush Intcntl

12:51 pm - 9:44 pmPDX Portland-HRL Harlingen Valley Intl

6h 53m1 stop Houston George Bush Intcntl

$335United Airlines

Sat, Jan 30 - Wed, Feb 3

7:15 am - 12:48 pmHRL Harlingen Valley Intl-SEA Seattle/Tacoma Intl

7h 33m1 stop Houston George Bush Intcntl

7:05 am - 4:01 pmSEA Seattle/Tacoma Intl-HRL Harlingen Valley Intl

6h 56m1 stop Houston George Bush Intcntl

$336United Airlines

Sat, Oct 24 - Wed, Oct 28

1:59 pm - 10:43 pmHRL Harlingen Valley Intl-PDX Portland

10h 44m2 stops Houston George Bush Intcntl San Francisco

7:10 am - 3:34 pmPDX Portland-HRL Harlingen Valley Intl

6h 24m1 stop Houston George Bush Intcntl

$340United Airlines

Sat, Jan 30 - Wed, Feb 3

12:45 pm - 9:50 pmHRL Harlingen Valley Intl-SEA Seattle/Tacoma Intl

11h 05m2 stops Houston Hobby Denver Intl

5:40 am - 5:20 pmSEA Seattle/Tacoma Intl-HRL Harlingen Valley Intl

9h 40m2 stops Phoenix Sky Harbor Intl Dallas Love Field

$348Southwest

Sat, Dec 5 - Tue, Dec 8

12:35 pm - 5:45 pmHRL Harlingen Valley Intl-SEA Seattle/Tacoma Intl

7h 10m1 stop Houston Hobby

8:50 am - 9:50 pmSEA Seattle/Tacoma Intl-HRL Harlingen Valley Intl

11h 00m1 stop Houston Hobby

$430Southwest

Sat, Sep 26 - Wed, Sep 30

3:30 pm - 11:00 pmHRL Harlingen Valley Intl-SEA Seattle/Tacoma Intl

9h 30m2 stops Houston Hobby Las Vegas Harry Reid Intl

7:10 am - 8:15 pmSEA Seattle/Tacoma Intl-HRL Harlingen Valley Intl

11h 05m2 stops Phoenix Sky Harbor Intl Austin Bergstrom

$441Southwest

Sat, Sep 26 - Wed, Sep 30

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American Airlines flights from Harlingen to State of Washington

Our best American Airlines deals on Harlingen to State of Washington flight tickets

American Airlines

Dec 8

HRL2:26 pmHarlingen Valley Intl

7h 37m

1 stop

SEA8:03 pmSeattle/Tacoma Intl

Dec 12

SEA2:07 pmSeattle/Tacoma Intl

7h 24m

1 stop

HRL11:31 pmHarlingen Valley Intl

$307

American Airlines

Dec 5

HRL2:26 pmHarlingen Valley Intl

7h 37m

1 stop

SEA8:03 pmSeattle/Tacoma Intl

Dec 7

SEA12:25 amSeattle/Tacoma Intl

7h 49m

1 stop

HRL10:14 amHarlingen Valley Intl

$317

American Airlines

Oct 29

HRL5:50 amHarlingen Valley Intl

9h 45m

1 stop

SEA1:35 pmSeattle/Tacoma Intl

Nov 3

SEA2:07 pmSeattle/Tacoma Intl

7h 24m

1 stop

HRL11:31 pmHarlingen Valley Intl

$338

United Airlines flights from Harlingen to State of Washington

Our best United Airlines deals on Harlingen to State of Washington flight tickets

United Airlines

Sep 25

HRL5:18 pmHarlingen Valley Intl

7h 03m

1 stop

PDX10:21 pmPortland

Sep 29

PDX6:50 amPortland

7h 09m

1 stop

HRL3:59 pmHarlingen Valley Intl

$299

United Airlines

Jan 30

HRL5:05 amHarlingen Valley Intl

9h 14m

1 stop

PDX12:19 pmPortland

Feb 3

PDX12:51 pmPortland

6h 53m

1 stop

HRL9:44 pmHarlingen Valley Intl

$335

United Airlines

Oct 24

HRL7:15 amHarlingen Valley Intl

7h 33m

1 stop

SEA12:48 pmSeattle/Tacoma Intl

Oct 28

SEA7:05 amSeattle/Tacoma Intl

6h 56m

1 stop

HRL4:01 pmHarlingen Valley Intl

$336

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HarlingenPortland

HRL Harlingen Valley Intl - PDX Portland

HRLPDX

Harlingen Valley Intl

Fri 9/25

5:18 pm-10:21 pm

1 stop7h 03m

Portland

Tue 9/29

6:50 am-3:59 pm

1 stop7h 09m

$299

HarlingenSeattle

HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl

HRLSEA

Harlingen Valley Intl

Tue 12/8

2:26 pm-8:03 pm

1 stop7h 37m

Seattle/Tacoma Intl

Sat 12/12

2:07 pm-11:31 pm

1 stop7h 24m

$307

HarlingenSeattle

HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl

HRLSEA

Harlingen Valley Intl

Sat 12/5

2:26 pm-8:03 pm

1 stop7h 37m

Seattle/Tacoma Intl

Mon 12/7

12:25 am-10:14 am

1 stop7h 49m

$317

HarlingenPortland

HRL Harlingen Valley Intl - PDX Portland

HRLPDX

Harlingen Valley Intl

Tue 10/6

6:42 pm-11:39 pm

1 stop6h 57m

Portland

Fri 10/9

11:49 pm-10:08 am

1 stop8h 19m

$317

HarlingenPortland

HRL Harlingen Valley Intl - PDX Portland

HRLPDX

Harlingen Valley Intl

Sat 1/30

5:05 am-12:19 pm

1 stop9h 14m

Portland

Wed 2/3

12:51 pm-9:44 pm

1 stop6h 53m

$335

HarlingenSeattle

HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl

HRLSEA

Harlingen Valley Intl

Sat 10/24

7:15 am-12:48 pm

1 stop7h 33m

Seattle/Tacoma Intl

Wed 10/28

7:05 am-4:01 pm

1 stop6h 56m

$336

HarlingenPortland

HRL Harlingen Valley Intl - PDX Portland

HRLPDX

Harlingen Valley Intl

Sat 1/30

1:59 pm-10:43 pm

2 stops10h 44m

Portland

Wed 2/3

7:10 am-3:34 pm

1 stop6h 24m

$340

HarlingenSeattle

HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl

HRLSEA

Harlingen Valley Intl

Sat 12/5

12:45 pm-9:50 pm

2 stops11h 05m

Seattle/Tacoma Intl

Tue 12/8

5:40 am-5:20 pm

2 stops9h 40m

$348

HarlingenSeattle

HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl

HRLSEA

Harlingen Valley Intl

Sat 9/26

12:35 pm-5:45 pm

1 stop7h 10m

Seattle/Tacoma Intl

Wed 9/30

8:50 am-9:50 pm

1 stop11h 00m

$430

HarlingenSeattle

HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl

HRLSEA

Harlingen Valley Intl

Sat 9/26

3:30 pm-11:00 pm

2 stops9h 30m

Seattle/Tacoma Intl

Wed 9/30

7:10 am-8:15 pm

2 stops11h 05m

$441

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Harlingen 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

Prices

Airlines

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, 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 April is also cheap. Prices for this month can be found on momondo for an average of $288.

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

You could potentially save up to 15% on your flight if you consider stops on a Harlingen to State of Washington flight.

Cheap Harlingen to State of Washington flight deals and tips

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

Best Price Found	$225
Fastest flight time	7h 03m
Direct flights	None

The best one-way flight to State of Washington from Harlingen in the past 72 hours is $225. The best round-trip flight deal from Harlingen to State of Washington found on momondo in the last 72 hours is $299.

The fastest flight from Harlingen to State of Washington takes 7h 03m

There are no direct flights from Harlingen to State of Washington. There are no popular flight routes from Harlingen to State of Washington.

Search flight deals

Frequently asked questions about flying from Harlingen to Washington

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?
There are 3 operators available for flights from Harlingen Valley Intl Airport to Washington as of September 2026.
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 to State of Washington

Compare and see reviews for airlines that fly from Harlingen to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $215	Free Cancellation	Rating 7.1 12,059 reviews	Search American Airlines flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 10,209 reviews	Search United Airlines flights
Southwest	PriceFrom $297	Free Cancellation	Rating 8.0 4,190 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.