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 59% 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, American Airlines, and United 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 April 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.

$107 Cheap Flights from Harlingen to Washington in 2026

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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.

4:58 pm - 12:15 am

HRL

SEA

9h 17m

1 stop

5:05 am - 4:31 pm

SEA

HRL

9h 26m

1 stop

$212American Airlines

Fri, Sep 11 - Tue, Sep 22

8:04 pm - 12:59 am

HRL

SEA

6h 55m

1 stop

3:45 pm - 12:14 am

SEA

HRL

6h 29m

1 stop

$287American Airlines

Wed, May 27 - Tue, Jun 2

5:18 pm - 10:59 pm

HRL

PDX

7h 41m

1 stop

11:59 pm - 11:23 am

PDX

HRL

9h 24m

1 stop

$289United Airlines

Mon, May 4 - Fri, May 8

4:58 pm - 12:15 am

HRL

SEA

9h 17m

1 stop

5:05 am - 4:31 pm

SEA

HRL

9h 26m

1 stop

$292American Airlines

Fri, Sep 11 - Tue, Sep 22

10:55 am - 5:05 pm

HRL

SEA

8h 10m

2 stops

7:10 am - 4:45 pm

SEA

HRL

7h 35m

2 stops

$293Southwest

Fri, Sep 11 - Tue, Sep 22

10:55 am - 5:05 pm

HRL

SEA

8h 10m

2 stops

8:55 am - 9:45 pm

SEA

HRL

10h 50m

1 stop

$294Southwest

Fri, Sep 11 - Tue, Sep 22

8:04 pm - 12:59 am

HRL

SEA

6h 55m

1 stop

11:24 pm - 10:08 am

SEA

HRL

8h 44m

1 stop

$308American Airlines

Wed, Jun 3 - Wed, Jun 10

2:00 pm - 9:21 pm

HRL

SEA

9h 21m

1 stop

7:00 am - 3:34 pm

SEA

HRL

6h 34m

1 stop

$311United Airlines

Sat, Sep 5 - Tue, Sep 15

5:00 pm - 11:50 pm

HRL

PDX

8h 50m

2 stops

1:55 pm - 11:40 pm

PDX

HRL

7h 45m

2 stops

$412Southwest

Wed, Jun 17 - Fri, Jun 26

5:18 pm - 10:59 pm

HRL

PDX

7h 41m

1 stop

3:59 pm - 11:23 am

PDX

HRL

17h 24m

3 stops

$433United Airlines

Mon, May 4 - Fri, May 8

United Airlines flights from Harlingen to State of Washington

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

United Airlines

May 4

HRL5:18 pmHarlingen Valley Intl

7h 41m

1 stop

PDX10:59 pmPortland

May 8

PDX11:59 pmPortland

9h 24m

1 stop

HRL11:23 amHarlingen Valley Intl

$289

United Airlines

Sep 5

HRL2:00 pmHarlingen Valley Intl

9h 21m

1 stop

SEA9:21 pmSeattle/Tacoma Intl

Sep 15

SEA7:00 amSeattle/Tacoma Intl

6h 34m

1 stop

HRL3:34 pmHarlingen Valley Intl

$311

United Airlines

May 5

HRL9:20 amHarlingen Valley Intl

11h 12m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

May 9

SEA8:38 amSeattle/Tacoma Intl

11h 21m

2 stops

HRL9:59 pmHarlingen Valley Intl

$351

American Airlines flights from Harlingen to State of Washington

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

American Airlines

Sep 11

HRL4:58 pmHarlingen Valley Intl

9h 17m

1 stop

SEA12:15 amSeattle/Tacoma Intl

Sep 22

SEA5:05 amSeattle/Tacoma Intl

9h 26m

1 stop

HRL4:31 pmHarlingen Valley Intl

$212

American Airlines

May 27

HRL8:04 pmHarlingen Valley Intl

6h 55m

1 stop

SEA12:59 amSeattle/Tacoma Intl

Jun 2

SEA3:45 pmSeattle/Tacoma Intl

6h 29m

1 stop

HRL12:14 amHarlingen Valley Intl

$287

American Airlines

Sep 11

HRL4:58 pmHarlingen Valley Intl

9h 17m

1 stop

SEA12:15 amSeattle/Tacoma Intl

Sep 22

SEA5:05 amSeattle/Tacoma Intl

9h 26m

1 stop

HRL4:31 pmHarlingen Valley Intl

$292

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 9/11

4:58 pm-12:15 am

1 stop9h 17m

Seattle/Tacoma Intl

Tue 9/22

5:05 am-4:31 pm

1 stop9h 26m

$212

Quickest round-trip

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 5/27

8:04 pm-12:59 am

1 stop6h 55m

Seattle/Tacoma Intl

Tue 6/2

3:45 pm-12:14 am

1 stop6h 29m

$287

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Mon 5/4

5:18 pm-10:59 pm

1 stop7h 41m

Portland

Fri 5/8

11:59 pm-11:23 am

1 stop9h 24m

$289

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 9/11

4:58 pm-12:15 am

1 stop9h 17m

Seattle/Tacoma Intl

Tue 9/22

5:05 am-4:31 pm

1 stop9h 26m

$292

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 9/11

10:55 am-5:05 pm

2 stops8h 10m

Seattle/Tacoma Intl

Tue 9/22

7:10 am-4:45 pm

2 stops7h 35m

$293

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Fri 9/11

10:55 am-5:05 pm

2 stops8h 10m

Seattle/Tacoma Intl

Tue 9/22

8:55 am-9:45 pm

1 stop10h 50m

$294

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 6/3

8:04 pm-12:59 am

1 stop6h 55m

Seattle/Tacoma Intl

Wed 6/10

11:24 pm-10:08 am

1 stop8h 44m

$308

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sat 9/5

2:00 pm-9:21 pm

1 stop9h 21m

Seattle/Tacoma Intl

Tue 9/15

7:00 am-3:34 pm

1 stop6h 34m

$311

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Wed 6/17

5:00 pm-11:50 pm

2 stops8h 50m

Portland

Fri 6/26

1:55 pm-11:40 pm

2 stops7h 45m

$412

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Mon 5/4

5:18 pm-10:59 pm

1 stop7h 41m

Portland

Fri 5/8

3:59 pm-11:23 am

3 stops17h 24m

$433

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 $250. If you aren’t able to travel to State of Washington during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $278.

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

You could potentially save up to 61% 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

Fastest flight time	6h 50m
Direct flights	None

The fastest flight from Harlingen to State of Washington takes 6h 50m

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

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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 April 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 11,647 reviews	Search American Airlines flights
Southwest	PriceFrom $222	Free Cancellation	Rating 8.0 4,330 reviews	Search Southwest flights
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.4 9,625 reviews	Search United Airlines 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.