$105+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SEA
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 August 14, 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 August 14, 2026.
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/256:43 pm -
1 stop6h 26m
Sat 8/297:39 am -
1 stop8h 34m
Deal found 8/10![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/156:42 pm -
1 stop7h 28m
Tue 10/205:00 am -
1 stop7h 16m
Deal found 8/13![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 10/62:46 pm -
1 stop8h 25m
Fri 10/911:49 pm -
1 stop8h 19m
Deal found 8/10![American Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 8/13. 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 10/155:30 pm -
2 stops9h 25m
Tue 10/208:55 am -
1 stop10h 00m
Deal found 8/13![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/251:59 pm -
2 stops10h 46m
Sat 8/297:10 am -
1 stop6h 49m
Deal found 8/10![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 8/13. 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 8/2912:35 pm -
1 stop7h 10m
Wed 9/27:10 am -
2 stops11h 00m
Deal found 8/13![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/13. 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 -
1 stop9h 37m
Wed 9/27:00 am -
1 stop6h 59m
Deal found 8/13![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/281:59 pm -
1 stop7h 09m
Tue 9/17:00 am -
1 stop6h 59m
Deal found 8/13![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 8/10. 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 -
1 stop11h 50m
Sun 9/139:25 pm -
2 stops11h 55m
Deal found 8/10![Southwest logo]()
$373
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/81:59 pm -
1 stop9h 37m
Thu 9/107:00 am -
1 stop6h 59m
Deal found 8/9![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/10. 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 9/87:25 am -
1 stop6h 50m
Thu 9/1012:35 pm -
1 stop6h 00m
Deal found 8/10![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/10. 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 10/207:15 am -
2 stops13h 16m
Sat 10/2411:59 pm -
1 stop8h 51m
Deal found 8/10![United Airlines logo]()
$407
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 August 14, 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 August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/13. 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 10/155:30 pm -
2 stops9h 25m
Tue 10/208:55 am -
1 stop10h 00m
Deal found 8/13![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/251:59 pm -
2 stops10h 46m
Sat 8/297:10 am -
1 stop6h 49m
Deal found 8/10![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 10/62:46 pm -
1 stop8h 25m
Fri 10/911:49 pm -
1 stop8h 19m
Deal found 8/9![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/10. 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 1/125:16 pm -
1 stop7h 22m
Wed 1/137:03 am -
1 stop6h 31m
Deal found 8/10![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 8/9. 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 9/87:25 am -
1 stop6h 50m
Tue 9/157:10 am -
2 stops11h 05m
Deal found 8/9![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/281:59 pm -
1 stop7h 09m
Tue 9/17:00 am -
1 stop6h 59m
Deal found 8/13![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 8/10. 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 9/87:25 am -
1 stop6h 50m
Thu 9/1012:35 pm -
1 stop6h 00m
Deal found 8/10![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/81:59 pm -
1 stop9h 37m
Thu 9/106:32 am -
2 stops11h 07m
Deal found 8/9![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 8/9. 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 10/187:35 am -
2 stops8h 25m
Sat 10/316:20 am -
2 stops9h 15m
Deal found 8/9![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/251:59 pm -
1 stop9h 37m
Sat 8/297:00 am -
1 stop6h 59m
Deal found 8/10![United Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 8/12. 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 8/285:30 am -
1 stop8h 45m
Tue 9/16:40 am -
2 stops8h 05m
Deal found 8/12![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 8/12. 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 8/275:55 pm -
2 stops8h 45m
Mon 8/317:00 am -
2 stops11h 30m
Deal found 8/12![Southwest logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/9. 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 10/185:18 pm -
1 stop7h 03m
Sat 10/319:00 am -
2 stops11h 48m
Deal found 8/9![United Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/212:00 pm -
1 stop7h 16m
Sat 10/2411:59 pm -
1 stop8h 51m
Deal found 8/11![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 8/10. 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 10/205:05 am -
1 stop8h 56m
Sat 10/246:50 am -
1 stop7h 09m
Deal found 8/10![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 8/10. 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 12/512:10 pm -
2 stops13h 28m
Wed 12/91:45 pm -
3 stops23h 49m
Deal found 8/10![United Airlines logo]()
$621
Last-minute flights from Harlingen to WashingtonDiscover last-minute flight deals from Harlingen to Washington. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Washington. Data last updated August 14, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/10. 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 8/223:30 pm -
2 stops9h 25m
Mon 8/315:30 am -
2 stops8h 35m
Deal found 8/10![Southwest logo]()
$402
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/256:43 pm -
1 stop6h 26m
Sat 8/297:39 am -
1 stop8h 34m
Deal found 8/10![American Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/251:59 pm -
2 stops10h 46m
Sat 8/297:10 am -
1 stop6h 49m
Deal found 8/10![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/251:59 pm -
1 stop9h 37m
Sat 8/297:00 am -
1 stop6h 59m
Deal found 8/10![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/281:59 pm -
1 stop7h 09m
Tue 9/17:00 am -
1 stop6h 59m
Deal found 8/13![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 8/13. 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 8/2912:35 pm -
1 stop7h 10m
Wed 9/27:10 am -
2 stops11h 00m
Deal found 8/13![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/13. 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 -
1 stop9h 37m
Wed 9/27:00 am -
1 stop6h 59m
Deal found 8/13![United Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/316:43 pm -
1 stop6h 26m
Mon 9/142:07 pm -
1 stop17h 51m
Deal found 8/10![American Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 8/10. 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.
Mon 8/3111:55 am -
2 stops11h 20m
Mon 9/145:45 am -
2 stops8h 20m
Deal found 8/10![Southwest logo]()
$473
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/81:59 pm -
1 stop9h 37m
Thu 9/107:00 am -
1 stop6h 59m
Deal found 8/9![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/10. 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 9/87:25 am -
1 stop6h 50m
Thu 9/1012:35 pm -
1 stop6h 00m
Deal found 8/10![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 8/10. 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 -
1 stop11h 50m
Sun 9/139:25 pm -
2 stops11h 55m
Deal found 8/10![Southwest logo]()
$373
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 August 14, 2026.
Search for one-way flight options from Harlingen to Washington. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:13 pm -
1 stop8h 40m
Deal found 8/11![Delta logo]()
$105
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/121:59 pm -
1 stop9h 39m
Deal found 8/11![United Airlines logo]()
$118
This Southwest deal was found by Cheapflights users on 8/11. 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 9/123:30 pm -
2 stops9h 30m
Deal found 8/11![Southwest logo]()
$123
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/315:05 am -
2 stops13h 22m
Deal found 8/11![United Airlines logo]()
$173
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/115:18 pm -
1 stop7h 57m
Deal found 8/11![United Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/244:53 pm -
1 stop8h 16m
Deal found 8/14![American Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 8/10. 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 1/62:49 pm -
1 stop9h 48m
Deal found 8/10![American Airlines logo]()
$210
This Southwest deal was found by Cheapflights users on 8/14. 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 -
2 stops8h 50m
Deal found 8/14![Southwest logo]()
$220
This Southwest deal was found by Cheapflights users on 8/10. 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 8/2311:40 am -
2 stops13h 50m
Deal found 8/10![Southwest logo]()
$264
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/235:18 pm -
1 stop7h 41m
Deal found 8/10![United Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 8/10. 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 1/69:20 am -
3 stops28h 52m
Deal found 8/10![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/245:05 am -
3 stops17h 32m
Deal found 8/14![United Airlines logo]()
$702
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (American Airlines) |
One-way from | $105 (Delta) |
Popular in | January |
Cheapest in | February |
Average price | $414 |
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 August 14, 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 Harlingen Valley Intl - SEA Seattle/Tacoma Intl
HRLSEA
Harlingen Valley Intl
Thu 10/15
5:30 pm-12:55 am
2 stops9h 25m
Seattle/Tacoma Intl
Tue 10/20
8:55 am-8:55 pm
1 stop10h 00m
$305
HarlingenPortland
HRL Harlingen Valley Intl - PDX Portland
HRLPDX
Harlingen Valley Intl
Tue 8/25
1:59 pm-10:45 pm
2 stops10h 46m
Portland
Sat 8/29
7:10 am-3:59 pm
1 stop6h 49m
$309
HarlingenPortland
HRL Harlingen Valley Intl - PDX Portland
HRLPDX
Harlingen Valley Intl
Tue 10/6
2:46 pm-9:11 pm
1 stop8h 25m
Portland
Fri 10/9
11:49 pm-10:08 am
1 stop8h 19m
$317
HarlingenSeattle
HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl
HRLSEA
Harlingen Valley Intl
Tue 1/12
5:16 pm-10:38 pm
1 stop7h 22m
Seattle/Tacoma Intl
Wed 1/13
7:03 am-3:34 pm
1 stop6h 31m
$335
HarlingenSeattle
HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl
HRLSEA
Harlingen Valley Intl
Tue 9/8
7:25 am-12:15 pm
1 stop6h 50m
Seattle/Tacoma Intl
Tue 9/15
7:10 am-8:15 pm
2 stops11h 05m
$363
HarlingenSeattle
HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl
HRLSEA
Harlingen Valley Intl
Fri 8/28
1:59 pm-7:08 pm
1 stop7h 09m
Seattle/Tacoma Intl
Tue 9/1
7:00 am-3:59 pm
1 stop6h 59m
$371
Quickest round-trip
HarlingenSeattle
HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl
HRLSEA
Harlingen Valley Intl
Tue 9/8
7:25 am-12:15 pm
1 stop6h 50m
Seattle/Tacoma Intl
Thu 9/10
12:35 pm-8:35 pm
1 stop6h 00m
$379
HarlingenSeattle
HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl
HRLSEA
Harlingen Valley Intl
Tue 9/8
1:59 pm-9:36 pm
1 stop9h 37m
Seattle/Tacoma Intl
Thu 9/10
6:32 am-7:39 pm
2 stops11h 07m
$382
HarlingenSeattle
HRL Harlingen Valley Intl - SEA Seattle/Tacoma Intl
HRLSEA
Harlingen Valley Intl
Tue 8/25
1:59 pm-9:36 pm
1 stop9h 37m
Seattle/Tacoma Intl
Sat 8/29
7:00 am-3:59 pm
1 stop6h 59m
$405
HarlingenPortland
HRL Harlingen Valley Intl - PDX Portland
HRLPDX
Harlingen Valley Intl
Sun 10/18
7:35 am-2:00 pm
2 stops8h 25m
Portland
Sat 10/31
6:20 am-5:35 pm
2 stops9h 15m
$417
Showing 1-10 of 23 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.
HRL-SEA
HRL-PDX
HRL-GEG
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
HRL-USWA
HRL-SEA
HRL-PDX
HRL-GEG
What is the cheapest month to book a flight from Harlingen to State of Washington?
Currently, February is the cheapest month in which you can book a flight from Harlingen to State of Washington (average of $263). Flying from Harlingen to State of Washington in January is currently the most expensive (average of $604). 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 August 14, 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.
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
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
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Complete your trip
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Harlingen and Washington flights
Browse other Harlingen and Washington flight options. Last updated on August 14, 2026.
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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 August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$215 | Average$472 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$297 | Average$423 | FlexibilityNo cancel fee | On-time63% |