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

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

What airlines fly to Harlingen, Texas?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Harlingen, Texas from State of Washington according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Harlingen, Texas. Keep in mind that there are 3 different airlines that fly to Harlingen, Texas on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Harlingen, Texas?

On average, it takes 7h to fly from State of Washington to Harlingen, Texas if you fly out of Seattle (the most popular airport in State of Washington) and into McAllen (the most popular airport in Harlingen, Texas). If you’re flying out of Spokane and into McAllen, then the flight time is around 8h 09m.

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

Prices for flights from Washington to Harlingen Valley Intl Airport were last updated today.

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

As of February 2026, there are 2 operators available to choose from for flights from Washington to Harlingen Valley Intl Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Harlingen Valley Intl Airport.

What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

The necessary travel and health documents for your Harlingen Valley Intl Airport 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.

$119 Cheap Flights from Washington to Harlingen in 2026

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Find the cheapest flights from Washington to Harlingen

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:15 am - 10:00 pm

PDX

HRL

8h 45m

2 stops

4:40 pm - 11:00 pm

HRL

PDX

8h 20m

2 stops

$197Southwest

Tue, May 5 - Tue, May 19

7:00 am - 4:04 pm

PDX

HRL

7h 04m

1 stop

7:00 am - 12:34 pm

HRL

PDX

7h 34m

1 stop

$239United Airlines

Tue, Apr 21 - Tue, Apr 28

7:14 pm - 11:23 am

PDX

HRL

14h 09m

2 stops

7:00 am - 12:34 pm

HRL

PDX

7h 34m

1 stop

$244United Airlines

Tue, Apr 21 - Tue, Apr 28

6:40 am - 4:00 pm

PDX

HRL

7h 20m

2 stops

10:45 am - 6:30 pm

HRL

PDX

9h 45m

2 stops

$283Southwest

Tue, Apr 21 - Tue, Apr 28

12:59 am - 10:12 am

SEA

HRL

7h 13m

1 stop

8:06 pm - 12:55 am

HRL

SEA

6h 49m

1 stop

$307American Airlines

Fri, Feb 27 - Wed, Mar 11

7:29 pm - 10:12 am

SEA

HRL

12h 43m

2 stops

8:06 pm - 12:55 am

HRL

SEA

6h 49m

1 stop

$312American Airlines

Tue, Mar 3 - Wed, Mar 11

11:57 pm - 10:12 am

SEA

HRL

8h 15m

1 stop

8:06 pm - 12:55 am

HRL

SEA

6h 49m

1 stop

$317American Airlines

Fri, Feb 27 - Wed, Mar 11

5:00 am - 8:00 pm

PDX

HRL

13h 00m

2 stops

12:10 pm - 7:38 pm

HRL

PDX

9h 28m

1 stop

$319United Airlines

Tue, May 5 - Tue, May 19

7:29 pm - 10:12 am

SEA

HRL

12h 43m

2 stops

8:06 pm - 12:55 am

HRL

SEA

6h 49m

1 stop

$322American Airlines

Mon, Mar 2 - Wed, Mar 11

6:30 am - 4:04 pm

SEA

HRL

7h 34m

1 stop

12:05 pm - 7:42 pm

HRL

SEA

9h 37m

1 stop

$327United Airlines

Wed, Apr 8 - Wed, Apr 15

United Airlines flights from State of Washington to Harlingen, Texas

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

United Airlines

Apr 21

PDX7:00 amPortland

7h 04m

1 stop

HRL4:04 pmHarlingen Valley Intl

Apr 28

HRL5:18 pmHarlingen Valley Intl

7h 40m

1 stop

PDX10:58 pmPortland

$239

United Airlines

Apr 21

PDX5:00 amPortland

12h 40m

2 stops

HRL7:40 pmHarlingen Valley Intl

Apr 28

HRL5:18 pmHarlingen Valley Intl

7h 40m

1 stop

PDX10:58 pmPortland

$244

United Airlines

May 5

PDX5:00 amPortland

13h 00m

2 stops

HRL8:00 pmHarlingen Valley Intl

May 19

HRL12:10 pmHarlingen Valley Intl

9h 28m

1 stop

PDX7:38 pmPortland

$319

Southwest flights from State of Washington to Harlingen, Texas

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

Southwest

May 5

PDX11:15 amPortland

8h 45m

2 stops

HRL10:00 pmHarlingen Valley Intl

May 19

HRL4:40 pmHarlingen Valley Intl

8h 20m

2 stops

PDX11:00 pmPortland

$197

Southwest

Apr 21

PDX5:30 amPortland

8h 30m

2 stops

HRL4:00 pmHarlingen Valley Intl

Apr 28

HRL10:45 amHarlingen Valley Intl

9h 45m

2 stops

PDX6:30 pmPortland

$277

Southwest

Feb 20

SEA5:00 amSeattle/Tacoma Intl

10h 25m

2 stops

HRL5:25 pmHarlingen Valley Intl

Feb 24

HRL6:30 amHarlingen Valley Intl

11h 30m

2 stops

SEA4:00 pmSeattle/Tacoma Intl

$409

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 5/5

11:15 am-10:00 pm

2 stops8h 45m

Harlingen Valley Intl

Tue 5/19

4:40 pm-11:00 pm

2 stops8h 20m

$197

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 4/21

7:00 am-4:04 pm

1 stop7h 04m

Harlingen Valley Intl

Tue 4/28

7:00 am-12:34 pm

1 stop7h 34m

$239

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 4/21

7:14 pm-11:23 am

2 stops14h 09m

Harlingen Valley Intl

Tue 4/28

7:00 am-12:34 pm

1 stop7h 34m

$244

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 4/21

6:40 am-4:00 pm

2 stops7h 20m

Harlingen Valley Intl

Tue 4/28

10:45 am-6:30 pm

2 stops9h 45m

$283

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 2/27

12:59 am-10:12 am

1 stop7h 13m

Harlingen Valley Intl

Wed 3/11

8:06 pm-12:55 am

1 stop6h 49m

$307

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 3/3

7:29 pm-10:12 am

2 stops12h 43m

Harlingen Valley Intl

Wed 3/11

8:06 pm-12:55 am

1 stop6h 49m

$312

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Fri 2/27

11:57 pm-10:12 am

1 stop8h 15m

Harlingen Valley Intl

Wed 3/11

8:06 pm-12:55 am

1 stop6h 49m

$317

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 5/5

5:00 am-8:00 pm

2 stops13h 00m

Harlingen Valley Intl

Tue 5/19

12:10 pm-7:38 pm

1 stop9h 28m

$319

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Mon 3/2

7:29 pm-10:12 am

2 stops12h 43m

Harlingen Valley Intl

Wed 3/11

8:06 pm-12:55 am

1 stop6h 49m

$322

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Wed 4/8

6:30 am-4:04 pm

1 stop7h 34m

Harlingen Valley Intl

Wed 4/15

12:05 pm-7:42 pm

1 stop9h 37m

$327

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

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Other information

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

You could potentially save up to 47% on your flight if you consider stops on a State of Washington to Harlingen, Texas flight.

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

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

Fastest flight time	7h 02m
Direct flights	None

The fastest flight from State of Washington to Harlingen, Texas takes 7h 02m

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

Search flight deals

When did momondo last update prices for flights from Washington to Harlingen Valley Intl Airport?
Prices for flights from Washington to Harlingen Valley Intl Airport were last updated today.
How many operators does momondo search for flights from Washington to Harlingen Valley Intl Airport?
As of February 2026, there are 2 operators available to choose from for flights from Washington to Harlingen Valley Intl Airport.
How old do you have to be to fly from Washington to Harlingen Valley Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The necessary travel and health documents for your Harlingen Valley Intl Airport 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 State of Washington to Harlingen, Texas

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $225	Free Cancellation	Rating 7.2 11,237 reviews		Search American Airlines flights
United Airlines	PriceFrom $246	Free Cancellation	Rating 7.4 9,240 reviews		Search United Airlines flights

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Harlingen from Washington.

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

Flights from Washington to Harlingen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Washington to Harlingen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Harlingen from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington to Harlingen from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Harlingen departing on 3/9. 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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United Airlines flights from State of Washington to Harlingen, Texas

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

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

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

You could potentially save up to 47% on your flight if you consider stops on a State of Washington to Harlingen, Texas flight.

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

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

What airlines fly to Harlingen, Texas?

How long does it take to fly to Harlingen, Texas?

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

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

Fastest flight time

Direct flights

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

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

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

What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

Best airlines flying from State of Washington to Harlingen, Texas

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

Why use momondo?

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

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

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

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

An easier way to manage your Harlingen, Texas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in Harlingen. Availability may vary depending on flight origin and airline.

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