$180+ Cheap flights from Harlingen (HRL) to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SEA
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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Cheapest flights from Harlingen to WashingtonExplore the most affordable flight options available from Harlingen to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
Explore the most affordable flight options available from Harlingen to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:55 am
HRL
- PDX
2 stops9h 20m
Southwest
Tue 8/255:50 am
PDX
- HRL
2 stops8h 55m
Southwest
Deal found 7/3![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:55 am
HRL
- PDX
2 stops9h 20m
Southwest
Mon 9/285:15 am
PDX
- HRL
2 stops8h 50m
Southwest
Deal found 7/7![Southwest logo]()
$341
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:17 pm
HRL
- SEA
1 stop9h 02m
American Airlines
Sat 9/195:30 am
SEA
- HRL
1 stop7h 35m
American Airlines
Deal found 7/1![American Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:55 am
HRL
- SEA
1 stop11h 50m
Southwest
Fri 9/1811:25 am
SEA
- HRL
1 stop9h 10m
Southwest
Deal found 7/3![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:45 pm
HRL
- SEA
1 stop6h 50m
Southwest
Sun 8/309:25 pm
SEA
- HRL
2 stops11h 55m
Southwest
Deal found 7/4![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:30 am
HRL
- PDX
2 stops9h 55m
Southwest
Mon 8/315:15 am
PDX
- HRL
2 stops8h 50m
Southwest
Deal found 7/6![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:55 pm
HRL
- SEA
2 stops8h 45m
Southwest
Mon 8/175:30 am
SEA
- HRL
2 stops8h 35m
Southwest
Deal found 7/6![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:18 pm
HRL
- PDX
1 stop7h 41m
United Airlines
Tue 8/257:10 am
PDX
- HRL
1 stop6h 49m
United Airlines
Deal found 7/3![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:55 pm
HRL
- SEA
2 stops8h 45m
Southwest
Mon 9/2812:35 pm
SEA
- HRL
1 stop5h 55m
Southwest
Deal found 7/5![Southwest logo]()
$379
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:35 pm
HRL
- SEA
1 stop8h 17m
American Airlines
Mon 9/145:30 am
SEA
- HRL
1 stop7h 35m
American Airlines
Deal found 7/2![American Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:18 pm
HRL
- PDX
1 stop7h 03m
United Airlines
Mon 9/286:50 am
PDX
- HRL
1 stop7h 09m
United Airlines
Deal found 7/7![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:15 am
HRL
- PDX
1 stop6h 46m
United Airlines
Wed 9/3010:43 am
PDX
- HRL
2 stops9h 09m
United Airlines
Deal found 7/2![United Airlines logo]()
$402
Best flights from Harlingen to WashingtonDiscover carefully curated flight deals from Harlingen to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
Discover carefully curated flight deals from Harlingen to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:45 pm
HRL
- SEA
1 stop6h 50m
Southwest
Sun 8/309:25 pm
SEA
- HRL
2 stops11h 55m
Southwest
Deal found 7/4![Southwest logo]()
$360
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:35 pm
HRL
- SEA
1 stop8h 17m
American Airlines
Mon 9/145:30 am
SEA
- HRL
1 stop7h 35m
American Airlines
Deal found 7/2![American Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:15 am
HRL
- PDX
1 stop6h 46m
United Airlines
Wed 9/3010:43 am
PDX
- HRL
2 stops9h 09m
United Airlines
Deal found 7/6![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:55 pm
HRL
- SEA
2 stops8h 45m
Southwest
Mon 9/2812:35 pm
SEA
- HRL
1 stop5h 55m
Southwest
Deal found 7/5![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:59 pm
HRL
- SEA
1 stop9h 37m
United Airlines
Wed 9/27:00 am
SEA
- HRL
1 stop6h 59m
United Airlines
Deal found 7/3![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:55 am
HRL
- SEA
1 stop11h 50m
Southwest
Mon 8/175:30 am
SEA
- HRL
2 stops8h 35m
Southwest
Deal found 7/6![Southwest logo]()
$380
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:20 am
HRL
- SEA
1 stop13h 05m
Southwest
Fri 1/19:20 am
SEA
- HRL
1 stop9h 15m
Southwest
Deal found 7/6![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:10 pm
HRL
- SEA
1 stop9h 00m
Southwest
Sat 8/85:00 am
SEA
- HRL
2 stops11h 50m
Southwest
Deal found 7/2![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:25 pm
HRL
- SEA
2 stops8h 40m
Southwest
Sun 8/99:25 pm
SEA
- HRL
2 stops11h 55m
Southwest
Deal found 7/6![Southwest logo]()
$453
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:59 pm
HRL
- GEG
2 stops8h 47m
United Airlines
Tue 9/112:33 pm
GEG
- HRL
2 stops25h 26m
United Airlines
Deal found 7/4![United Airlines logo]()
$625
Last-minute flights from Harlingen to WashingtonDiscover last-minute flight deals from Harlingen to Washington. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Washington. Data last updated July 7, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:35 pm
HRL
- PDX
2 stops8h 25m
Southwest
Thu 7/235:50 am
PDX
- HRL
2 stops9h 10m
Southwest
Deal found 7/4![Southwest logo]()
$549
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/208:04 pm
HRL
- PDX
1 stop6h 51m
American Airlines
Mon 7/2711:41 pm
PDX
- HRL
1 stop8h 31m
American Airlines
Deal found 7/3![American Airlines logo]()
$565
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:00 pm
HRL
- PDX
2 stops8h 55m
Southwest
Sat 7/255:15 am
PDX
- HRL
2 stops9h 15m
Southwest
Deal found 7/6![Southwest logo]()
$463
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:10 pm
HRL
- SEA
1 stop9h 00m
Southwest
Sat 8/85:00 am
SEA
- HRL
2 stops11h 50m
Southwest
Deal found 7/4![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:55 am
HRL
- PDX
2 stops9h 20m
Southwest
Mon 8/105:45 am
PDX
- HRL
2 stops8h 20m
Southwest
Deal found 7/5![Southwest logo]()
$470
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:55 pm
HRL
- SEA
2 stops8h 45m
Southwest
Mon 8/175:30 am
SEA
- HRL
2 stops8h 35m
Southwest
Deal found 7/6![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:55 am
HRL
- PDX
2 stops9h 20m
Southwest
Tue 8/255:50 am
PDX
- HRL
2 stops8h 55m
Southwest
Deal found 7/3![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:18 pm
HRL
- PDX
1 stop7h 41m
United Airlines
Tue 8/257:10 am
PDX
- HRL
1 stop6h 49m
United Airlines
Deal found 7/3![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:45 pm
HRL
- SEA
1 stop6h 50m
Southwest
Sun 8/309:25 pm
SEA
- HRL
2 stops11h 55m
Southwest
Deal found 7/4![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:59 pm
HRL
- SEA
1 stop9h 37m
United Airlines
Wed 9/27:00 am
SEA
- HRL
1 stop6h 59m
United Airlines
Deal found 7/3![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:30 am
HRL
- PDX
2 stops9h 55m
Southwest
Mon 8/315:15 am
PDX
- HRL
2 stops8h 50m
Southwest
Deal found 7/6![Southwest logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:04 pm
HRL
- PDX
1 stop8h 05m
American Airlines
Mon 8/316:27 am
PDX
- HRL
1 stop6h 15m
American Airlines
Deal found 7/6![American Airlines logo]()
$509
One-way flights from Harlingen to WashingtonSearch for one-way flight options from Harlingen to Washington. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
Search for one-way flight options from Harlingen to Washington. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:55 pm
HRL
- SEA
2 stops8h 45m
Southwest
Deal found 7/5![Southwest logo]()
$180
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:40 pm
HRL
- GEG
2 stops8h 55m
Southwest
Deal found 7/6![Southwest logo]()
$205
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:10 pm
HRL
- SEA
2 stops10h 05m
Southwest
Deal found 7/4![Southwest logo]()
$215
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:04 pm
HRL
- SEA
1 stop6h 53m
American Airlines
Deal found 7/6![American Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:35 pm
HRL
- SEA
2 stops8h 35m
Southwest
Deal found 7/6![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:15 am
HRL
- SEA
3 stops18h 11m
United Airlines
Deal found 7/5![United Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:00 am
HRL
- GEG
1 stop7h 59m
American Airlines
Deal found 7/6![American Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:10 am
HRL
- GEG
3 stops12h 03m
United Airlines
Deal found 7/6![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:20 am
HRL
- SEA
3 stops17h 59m
United Airlines
Deal found 7/4![United Airlines logo]()
$499
Find flight deals from Harlingen to Washington
Keep the following information in mind while searching for Harlingen to Washington flight deals. Data was last updated July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Southwest) |
One-way from | $180 (Southwest) |
Popular in | January |
Cheapest in | February |
Average price | $457 |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated July 7, 2026.
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
Cheapest round-trip
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Wed 8/26
1:45 pm-6:35 pm
1 stop6h 50m
Seattle/Tacoma Intl
Sun 8/30
9:25 pm-11:20 am
2 stops11h 55m
$360
Quickest round-trip
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Thu 9/24
5:55 pm-12:40 am
2 stops8h 45m
Seattle/Tacoma Intl
Mon 9/28
12:35 pm-8:30 pm
1 stop5h 55m
$379
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Fri 8/14
11:55 am-9:45 pm
1 stop11h 50m
Seattle/Tacoma Intl
Mon 8/17
5:30 am-4:05 pm
2 stops8h 35m
$380
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Wed 9/9
3:35 pm-9:52 pm
1 stop8h 17m
Seattle/Tacoma Intl
Mon 9/14
5:30 am-3:05 pm
1 stop7h 35m
$390
HarlingenPortland
HRL - PDX
HRLPDX
Harlingen Valley Intl
Tue 9/29
7:15 am-12:01 pm
1 stop6h 46m
Portland
Wed 9/30
10:43 am-9:52 pm
2 stops9h 09m
$402
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Wed 8/26
1:59 pm-9:36 pm
1 stop9h 37m
Seattle/Tacoma Intl
Wed 9/2
7:00 am-3:59 pm
1 stop6h 59m
$407
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Fri 12/25
7:20 am-6:25 pm
1 stop13h 05m
Seattle/Tacoma Intl
Fri 1/1
9:20 am-8:35 pm
1 stop9h 15m
$410
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Sat 8/1
5:10 pm-12:10 am
1 stop9h 00m
Seattle/Tacoma Intl
Sat 8/8
5:00 am-6:50 pm
2 stops11h 50m
$413
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Wed 8/5
4:25 pm-11:05 pm
2 stops8h 40m
Seattle/Tacoma Intl
Sun 8/9
9:25 pm-11:20 am
2 stops11h 55m
$453
HarlingenSpokane
HRL - GEG
HRLGEG
Harlingen Valley Intl
Sat 8/29
1:59 pm-8:46 pm
2 stops8h 47m
Spokane
Tue 9/1
12:33 pm-3:59 pm
2 stops25h 26m
$625
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Harlingen to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Harlingen with our price prediction graph.
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Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Harlingen to Washington
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What is the cheapest month to book a flight from Harlingen to State of Washington?
Currently, December is the cheapest month in which you can book a flight from Harlingen to State of Washington (average of $149). Flying from Harlingen to State of Washington in July is currently the most expensive (average of $423). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated July 7, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Harlingen to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
7.9
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Harlingen to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Harlingen to Washington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Washington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Harlingen to Washington by cabin class
Find flights from Harlingen to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Harlingen and Washington flights
Browse other Harlingen and Washington flight options. Last updated on July 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Harlingen to Washington flights
Consider these flights traveling from Harlingen to Washington.
Top 3 airlines flying from Harlingen to Washington
Discover the top 3 airlines that operate flights from Harlingen to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$215 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$222 | Average$423 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$397 | FlexibilityNo cancel fee | On-time69% |