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Cheap flights from Washington to Harlingen from $203

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 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:50 am - 3:50 pm
PDX
-
HRL
8h 00m
2 stops
Southwest Logo
1:45 pm - 9:55 pm
HRL
-
PDX
10h 10m
2 stops
$322Southwest
Tue, Sep 8 - Tue, Sep 15
Southwest Logo
12:35 pm - 8:30 pm
SEA
-
HRL
5h 55m
1 stop
Southwest Logo
3:30 pm - 10:55 pm
HRL
-
SEA
9h 25m
2 stops
$327Southwest
Thu, Aug 20 - Sat, Aug 22
Southwest Logo
7:00 am - 8:30 pm
SEA
-
HRL
11h 30m
2 stops
Southwest Logo
3:30 pm - 10:55 pm
HRL
-
SEA
9h 25m
2 stops
$332Southwest
Thu, Aug 20 - Sat, Aug 22
Southwest Logo
12:35 pm - 8:30 pm
SEA
-
HRL
5h 55m
1 stop
Southwest Logo
12:35 pm - 5:45 pm
HRL
-
SEA
7h 10m
1 stop
$343Southwest
Thu, Aug 20 - Sat, Aug 22
American Airlines Logo
6:27 am - 2:42 pm
PDX
-
HRL
6h 15m
1 stop
American Airlines Logo
5:28 pm - 11:23 pm
HRL
-
PDX
7h 55m
1 stop
$380American Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
9:05 am - 9:52 pm
SEA
-
HRL
10h 47m
2 stops
United Airlines Logo
1:59 pm - 9:58 pm
HRL
-
SEA
9h 59m
2 stops
$417United Airlines
Tue, Aug 25 - Wed, Aug 26
United Airlines Logo
9:05 am - 9:52 pm
SEA
-
HRL
10h 47m
2 stops
United Airlines Logo
1:59 pm - 9:58 pm
HRL
-
SEA
9h 59m
2 stops
$438United Airlines
Tue, Aug 25 - Wed, Aug 26
American Airlines Logo
11:41 pm - 10:12 am
PDX
-
HRL
8h 31m
1 stop
American Airlines Logo
8:04 pm - 12:55 am
HRL
-
PDX
6h 51m
1 stop
$449American Airlines
Wed, Jul 8 - Sun, Jul 12
American Airlines Logo
5:15 am - 6:13 pm
PDX
-
HRL
10h 58m
2 stops
American Airlines Logo
5:28 pm - 11:23 pm
HRL
-
PDX
7h 55m
1 stop
$454American Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
7:00 am - 3:59 pm
SEA
-
HRL
6h 59m
1 stop
United Airlines Logo
1:59 pm - 11:26 pm
HRL
-
SEA
11h 27m
2 stops
$477United Airlines
Tue, Aug 25 - Wed, Aug 26

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United Airlines flights from State of Washington to Harlingen

Our best United Airlines deals on State of Washington to Harlingen flight tickets
United Airlines
Nov 17
PDX7:03 amPortland
6h 57m
1 stop
HRL4:00 pmHarlingen Valley Intl
Nov 18
HRL7:18 amHarlingen Valley Intl
6h 55m
1 stop
PDX12:13 pmPortland
$295
United Airlines
Nov 17
PDX7:03 amPortland
6h 57m
1 stop
HRL4:00 pmHarlingen Valley Intl
Nov 18
HRL5:05 amHarlingen Valley Intl
9h 08m
1 stop
PDX12:13 pmPortland
$397
United Airlines
Nov 17
PDX7:03 amPortland
6h 57m
1 stop
HRL4:00 pmHarlingen Valley Intl
Nov 18
HRL5:05 amHarlingen Valley Intl
11h 29m
2 stops
PDX2:34 pmPortland
$402

Southwest flights from State of Washington to Harlingen

Our best Southwest deals on State of Washington to Harlingen flight tickets
Southwest
Nov 17
PDX10:15 amPortland
8h 20m
2 stops
HRL8:35 pmHarlingen Valley Intl
Nov 18
HRL6:20 amHarlingen Valley Intl
8h 50m
2 stops
PDX1:10 pmPortland
$257
Southwest
Sep 8
PDX5:50 amPortland
8h 00m
2 stops
HRL3:50 pmHarlingen Valley Intl
Sep 15
HRL1:45 pmHarlingen Valley Intl
10h 10m
2 stops
PDX9:55 pmPortland
$322
Southwest
Aug 20
SEA12:35 pmSeattle/Tacoma Intl
5h 55m
1 stop
HRL8:30 pmHarlingen Valley Intl
Aug 22
HRL3:30 pmHarlingen Valley Intl
9h 25m
2 stops
SEA10:55 pmSeattle/Tacoma Intl
$327

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Harlingen 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 June 24, 2026.
Use the filters below to find and compare flights from Washington to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 9/8

5:50 am-3:50 pm

2 stops8h 00m

Harlingen Valley Intl

Tue 9/15

1:45 pm-9:55 pm

2 stops10h 10m

$322

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 8/20

12:35 pm-8:30 pm

1 stop5h 55m

Harlingen Valley Intl

Sat 8/22

3:30 pm-10:55 pm

2 stops9h 25m

$327

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 8/20

7:00 am-8:30 pm

2 stops11h 30m

Harlingen Valley Intl

Sat 8/22

3:30 pm-10:55 pm

2 stops9h 25m

$332
Quickest round-trip

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Thu 8/20

12:35 pm-8:30 pm

1 stop5h 55m

Harlingen Valley Intl

Sat 8/22

12:35 pm-5:45 pm

1 stop7h 10m

$343

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 9/8

6:27 am-2:42 pm

1 stop6h 15m

Harlingen Valley Intl

Tue 9/15

5:28 pm-11:23 pm

1 stop7h 55m

$380

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 8/25

9:05 am-9:52 pm

2 stops10h 47m

Harlingen Valley Intl

Wed 8/26

1:59 pm-9:58 pm

2 stops9h 59m

$417

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 8/25

9:05 am-9:52 pm

2 stops10h 47m

Harlingen Valley Intl

Wed 8/26

1:59 pm-9:58 pm

2 stops9h 59m

$438

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Wed 7/8

11:41 pm-10:12 am

1 stop8h 31m

Harlingen Valley Intl

Sun 7/12

8:04 pm-12:55 am

1 stop6h 51m

$449

PortlandHarlingen

PDX - HRL

PDXHRL

Portland

Tue 9/8

5:15 am-6:13 pm

2 stops10h 58m

Harlingen Valley Intl

Tue 9/15

5:28 pm-11:23 pm

1 stop7h 55m

$454

SeattleHarlingen

SEA - HRL

SEAHRL

Seattle/Tacoma Intl

Tue 8/25

7:00 am-3:59 pm

1 stop6h 59m

Harlingen Valley Intl

Wed 8/26

1:59 pm-11:26 pm

2 stops11h 27m

$477

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

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

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 Harlingen?

If you aren’t able to travel during the month of September, then book flights to Harlingen from State of Washington during October instead. Flights to Harlingen in October, while not as cheap as those in September, still average around $222.

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

You could potentially save up to 30% on your flight if you consider stops on a State of Washington to Harlingen flight.

Cheap State of Washington to Harlingen flight deals and tips

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

Fastest flight time

5h 55m

Direct flights

None
The fastest flight from State of Washington to Harlingen takes 5h 55m
There are no direct flights from State of Washington to Harlingen. There are no popular flight routes from State of Washington to Harlingen.
Search flight deals

Frequently asked questions about flying from Washington to Harlingen

  • 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?

  • 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

Compare and see reviews for airlines that fly from State of Washington to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $237Free CancellationRating
7.1
11,751 reviews
Search American Airlines flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,881 reviews
Search United Airlines flights

Why use momondo?

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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