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 63% 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?

Delta, United Airlines, and Southwest 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 June 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

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.

3:25 pm - 11:05 pm

HRL

SEA

9h 40m

2 stops

5:30 am - 6:50 pm

SEA

HRL

11h 20m

2 stops

$234Southwest

Wed, Sep 9 - Sat, Sep 12

3:25 pm - 10:25 pm

HRL

GEG

9h 00m

2 stops

7:30 am - 9:45 pm

GEG

HRL

12h 15m

2 stops

$252Southwest

Tue, Aug 25 - Wed, Aug 26

1:45 pm - 6:35 pm

HRL

SEA

6h 50m

1 stop

5:30 am - 6:50 pm

SEA

HRL

11h 20m

2 stops

$280Southwest

Wed, Sep 9 - Sat, Sep 12

1:59 pm - 9:36 pm

HRL

SEA

9h 37m

1 stop

7:00 am - 3:59 pm

SEA

HRL

6h 59m

1 stop

$282United Airlines

Wed, Aug 12 - Wed, Aug 19

1:59 pm - 11:04 pm

HRL

SEA

11h 05m

2 stops

7:00 am - 3:59 pm

SEA

HRL

6h 59m

1 stop

$287United Airlines

Wed, Aug 12 - Wed, Aug 19

3:17 pm - 8:42 pm

HRL

GEG

7h 25m

1 stop

12:44 pm - 10:54 pm

GEG

HRL

8h 10m

1 stop

$337American Airlines

Tue, Aug 25 - Wed, Aug 26

2:00 pm - 7:03 pm

HRL

SEA

7h 03m

1 stop

11:59 pm - 10:59 am

SEA

HRL

9h 00m

1 stop

$343United Airlines

Wed, Oct 21 - Sat, Oct 24

3:17 pm - 10:19 pm

HRL

SEA

9h 02m

1 stop

5:30 am - 3:05 pm

SEA

HRL

7h 35m

1 stop

$347American Airlines

Sat, Sep 5 - Sat, Sep 19

5:54 am - 2:09 pm

HRL

GEG

10h 15m

2 stops

12:44 pm - 10:54 pm

GEG

HRL

8h 10m

1 stop

$396American Airlines

Tue, Aug 25 - Wed, Aug 26

5:22 pm - 12:55 am

HRL

PDX

9h 33m

1 stop

12:45 am - 10:12 am

PDX

HRL

7h 27m

1 stop

$409American Airlines

Wed, Jul 22 - Mon, Jul 27

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Southwest flights from Harlingen to State of Washington

Our best Southwest deals on Harlingen to State of Washington flight tickets

Southwest

Sep 9

HRL3:25 pmHarlingen Valley Intl

9h 40m

2 stops

SEA11:05 pmSeattle/Tacoma Intl

Sep 12

SEA5:30 amSeattle/Tacoma Intl

11h 20m

2 stops

HRL6:50 pmHarlingen Valley Intl

$234

Southwest

Aug 25

HRL3:25 pmHarlingen Valley Intl

9h 00m

2 stops

GEG10:25 pmSpokane

Aug 26

GEG7:30 amSpokane

12h 15m

2 stops

HRL9:45 pmHarlingen Valley Intl

$252

Southwest

Sep 9

HRL1:45 pmHarlingen Valley Intl

6h 50m

1 stop

SEA6:35 pmSeattle/Tacoma Intl

Sep 12

SEA5:30 amSeattle/Tacoma Intl

11h 20m

2 stops

HRL6:50 pmHarlingen Valley Intl

$280

American Airlines flights from Harlingen to State of Washington

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

American Airlines

Aug 25

HRL3:17 pmHarlingen Valley Intl

7h 25m

1 stop

GEG8:42 pmSpokane

Aug 26

GEG12:44 pmSpokane

8h 10m

1 stop

HRL10:54 pmHarlingen Valley Intl

$337

American Airlines

Sep 5

HRL3:17 pmHarlingen Valley Intl

9h 02m

1 stop

SEA10:19 pmSeattle/Tacoma Intl

Sep 19

SEA5:30 amSeattle/Tacoma Intl

7h 35m

1 stop

HRL3:05 pmHarlingen Valley Intl

$347

American Airlines

Sep 5

HRL3:17 pmHarlingen Valley Intl

9h 02m

1 stop

SEA10:19 pmSeattle/Tacoma Intl

Sep 19

SEA5:30 amSeattle/Tacoma Intl

7h 35m

1 stop

HRL3:05 pmHarlingen Valley Intl

$375

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 9/9

3:25 pm-11:05 pm

2 stops9h 40m

Seattle/Tacoma Intl

Sat 9/12

5:30 am-6:50 pm

2 stops11h 20m

$234

HarlingenSpokane

HRL - GEG

HRLGEG

Harlingen Valley Intl

Tue 8/25

3:25 pm-10:25 pm

2 stops9h 00m

Spokane

Wed 8/26

7:30 am-9:45 pm

2 stops12h 15m

$252

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 9/9

1:45 pm-6:35 pm

1 stop6h 50m

Seattle/Tacoma Intl

Sat 9/12

5:30 am-6:50 pm

2 stops11h 20m

$280

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 8/12

1:59 pm-9:36 pm

1 stop9h 37m

Seattle/Tacoma Intl

Wed 8/19

7:00 am-3:59 pm

1 stop6h 59m

$282

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 8/12

1:59 pm-11:04 pm

2 stops11h 05m

Seattle/Tacoma Intl

Wed 8/19

7:00 am-3:59 pm

1 stop6h 59m

$287

Quickest round-trip

HarlingenSpokane

HRL - GEG

HRLGEG

Harlingen Valley Intl

Tue 8/25

3:17 pm-8:42 pm

1 stop7h 25m

Spokane

Wed 8/26

12:44 pm-10:54 pm

1 stop8h 10m

$337

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Wed 10/21

2:00 pm-7:03 pm

1 stop7h 03m

Seattle/Tacoma Intl

Sat 10/24

11:59 pm-10:59 am

1 stop9h 00m

$343

HarlingenSeattle

HRL - SEA

HRLSEA

Harlingen Valley Intl

Sat 9/5

3:17 pm-10:19 pm

1 stop9h 02m

Seattle/Tacoma Intl

Sat 9/19

5:30 am-3:05 pm

1 stop7h 35m

$347

HarlingenSpokane

HRL - GEG

HRLGEG

Harlingen Valley Intl

Tue 8/25

5:54 am-2:09 pm

2 stops10h 15m

Spokane

Wed 8/26

12:44 pm-10:54 pm

1 stop8h 10m

$396

HarlingenPortland

HRL - PDX

HRLPDX

Harlingen Valley Intl

Wed 7/22

5:22 pm-12:55 am

1 stop9h 33m

Portland

Mon 7/27

12:45 am-10:12 am

1 stop7h 27m

$409

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 December is, on average, the cheapest month to fly to State of Washington from Harlingen, with most prices found around $149. If you aren’t able to travel to State of Washington during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $215.

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

You could potentially save up to 52% 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 35m
Direct flights	None

The fastest flight from Harlingen to State of Washington takes 6h 35m

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 June 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 11,646 reviews	Search American Airlines flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 9,809 reviews	Search United Airlines flights
Southwest	PriceFrom $297	Free Cancellation	Rating 7.9 4,234 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.