$129+ Cheap flights from Harlingen, TX (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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SEA
Mar 7 — Mar 141
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Harlingen to Washington with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Harlingen to Washington
Cheapest
Best
Last-minute
One-way
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 February 5, 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 February 5, 2026.
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 4/18:06 pm
HRL
- SEA
1 stop6h 49m
American Airlines
Wed 4/811:55 pm
SEA
- HRL
1 stop8h 22m
American Airlines
Deal found 2/3![American Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:53 pm
HRL
- SEA
1 stop6h 51m
American Airlines
Mon 4/2711:55 pm
SEA
- HRL
1 stop8h 22m
American Airlines
Deal found 2/4![American Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:56 pm
HRL
- PDX
1 stop6h 35m
American Airlines
Tue 7/2812:59 am
PDX
- HRL
1 stop7h 16m
American Airlines
Deal found 2/4![American Airlines logo]()
$256
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 2/147:00 am
HRL
- PDX
1 stop7h 22m
United Airlines
Wed 2/1812:57 pm
PDX
- HRL
1 stop7h 02m
United Airlines
Deal found 2/3![United Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/112:05 pm
HRL
- SEA
1 stop9h 37m
United Airlines
Wed 4/86:20 am
SEA
- HRL
2 stops11h 20m
United Airlines
Deal found 2/3![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 2/4. 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 7/227:05 am
HRL
- PDX
2 stops9h 35m
Southwest
Wed 7/295:10 am
PDX
- HRL
2 stops9h 05m
Southwest
Deal found 2/4![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 2/4. 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.
Mon 4/206:00 pm
HRL
- SEA
2 stops8h 40m
Southwest
Mon 4/275:30 am
SEA
- HRL
2 stops8h 45m
Southwest
Deal found 2/4![Southwest logo]()
$384
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/186:00 am
HRL
- SEA
1 stop6h 55m
American Airlines
Sun 2/225:37 am
SEA
- HRL
1 stop6h 37m
American Airlines
Deal found 2/3![American Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 8/295:16 pm
HRL
- PDX
1 stop7h 43m
United Airlines
Sun 9/612:51 pm
PDX
- HRL
1 stop6h 53m
United Airlines
Deal found 2/3![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 2/4. 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.
Fri 3/65:30 pm
HRL
- PDX
2 stops9h 55m
Southwest
Wed 3/115:15 am
PDX
- HRL
2 stops8h 55m
Southwest
Deal found 2/4![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 10/2610:07 am
HRL
- PDX
1 stop8h 30m
American Airlines
Fri 10/3011:59 pm
PDX
- HRL
1 stop7h 37m
American Airlines
Deal found 2/2![American Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 2/4. 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.
Fri 5/296:00 pm
HRL
- SEA
2 stops8h 40m
Southwest
Mon 6/85:15 am
SEA
- HRL
2 stops9h 45m
Southwest
Deal found 2/4![Southwest logo]()
$413
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 February 5, 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 February 5, 2026.
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 4/18:06 pm
HRL
- SEA
1 stop6h 49m
American Airlines
Wed 4/811:55 pm
SEA
- HRL
1 stop8h 22m
American Airlines
Deal found 2/3![American Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 2/147:00 am
HRL
- PDX
1 stop7h 22m
United Airlines
Wed 2/1812:57 pm
PDX
- HRL
1 stop7h 02m
United Airlines
Deal found 2/3![United Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 2/4. 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.
Mon 4/206:00 pm
HRL
- SEA
2 stops8h 40m
Southwest
Mon 4/275:30 am
SEA
- HRL
2 stops8h 45m
Southwest
Deal found 2/4![Southwest logo]()
$384
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:53 pm
HRL
- SEA
1 stop6h 51m
American Airlines
Mon 4/2711:55 pm
SEA
- HRL
1 stop8h 22m
American Airlines
Deal found 2/4![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:04 pm
HRL
- GEG
1 stop7h 25m
Delta
Thu 3/196:00 am
GEG
- HRL
1 stop7h 09m
Delta
Deal found 2/5![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/112:05 pm
HRL
- SEA
1 stop9h 37m
United Airlines
Wed 4/86:20 am
SEA
- HRL
2 stops11h 20m
United Airlines
Deal found 2/3![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 2/4. 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.
Fri 3/65:30 pm
HRL
- PDX
2 stops9h 55m
Southwest
Wed 3/115:15 am
PDX
- HRL
2 stops8h 55m
Southwest
Deal found 2/4![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 2/4. 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.
Fri 5/296:00 pm
HRL
- SEA
2 stops8h 40m
Southwest
Mon 6/85:15 am
SEA
- HRL
2 stops9h 45m
Southwest
Deal found 2/4![Southwest logo]()
$413
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:06 pm
HRL
- GEG
1 stop6h 17m
American Airlines
Thu 3/1911:59 pm
GEG
- HRL
1 stop8h 13m
American Airlines
Deal found 2/5![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 2/1912:10 pm
HRL
- SEA
2 stops13h 20m
United Airlines
Mon 2/236:45 am
SEA
- HRL
1 stop7h 19m
United Airlines
Deal found 2/4![United Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:00 am
HRL
- SEA
1 stop6h 51m
American Airlines
Sun 4/1211:55 pm
SEA
- HRL
1 stop8h 22m
American Airlines
Deal found 2/5![American Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 2/3. 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.
Wed 2/186:30 am
HRL
- SEA
2 stops11h 30m
Southwest
Sun 2/2211:00 am
SEA
- HRL
2 stops9h 10m
Southwest
Deal found 2/3![Southwest logo]()
$429
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:06 pm
HRL
- GEG
1 stop6h 17m
American Airlines
Wed 3/186:00 am
GEG
- HRL
1 stop6h 14m
American Airlines
Deal found 2/5![American Airlines logo]()
$438
This Southwest deal was found by Cheapflights users on 2/5. 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 4/105:00 pm
HRL
- SEA
2 stops9h 40m
Southwest
Sun 4/1211:05 am
SEA
- HRL
2 stops9h 55m
Southwest
Deal found 2/5![Southwest logo]()
$449
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:04 pm
HRL
- GEG
1 stop7h 25m
Delta
Sat 3/216:00 am
GEG
- HRL
1 stop7h 09m
Delta
Deal found 2/5![Delta logo]()
$659
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/1810:42 am
HRL
- SEA
2 stops10h 16m
American Airlines
Sun 2/2211:57 pm
SEA
- HRL
1 stop8h 15m
American Airlines
Deal found 2/3![American Airlines logo]()
$456
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
HRL
- PDX
1 stop7h 07m
American Airlines
Wed 3/1111:59 pm
PDX
- HRL
1 stop8h 13m
American Airlines
Deal found 2/4![American Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:04 pm
HRL
- GEG
2 stops9h 46m
Delta
Thu 3/196:00 am
GEG
- HRL
1 stop7h 09m
Delta
Deal found 2/5![Delta logo]()
$779
This Southwest deal was found by Cheapflights users on 2/5. 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.
Mon 3/165:30 pm
HRL
- GEG
2 stops9h 55m
Southwest
Thu 3/196:20 am
GEG
- HRL
2 stops8h 15m
Southwest
Deal found 2/5![Southwest logo]()
$745
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 3/1612:10 pm
HRL
- GEG
3 stops11h 08m
United Airlines
Thu 3/195:00 am
GEG
- HRL
3 stops12h 56m
United Airlines
Deal found 2/5![United Airlines logo]()
$970
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:45 pm
HRL
- GEG
1 stop8h 27m
American Airlines
Tue 2/246:00 am
GEG
- HRL
1 stop6h 05m
American Airlines
Deal found 2/5![American Airlines logo]()
$698
This Southwest deal was found by Cheapflights users on 2/5. 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.
Sun 3/1512:50 pm
HRL
- GEG
2 stops11h 40m
Southwest
Wed 3/186:30 am
GEG
- HRL
2 stops12h 55m
Southwest
Deal found 2/5![Southwest logo]()
$835
This Southwest deal was found by Cheapflights users on 2/5. 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.
Sun 3/1512:50 pm
HRL
- GEG
2 stops11h 40m
Southwest
Thu 3/196:20 am
GEG
- HRL
2 stops8h 15m
Southwest
Deal found 2/5![Southwest logo]()
$851
Last-minute flights from Harlingen to WashingtonDiscover last-minute flight deals from Harlingen to Washington. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Washington. Data last updated February 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 2/147:00 am
HRL
- PDX
1 stop7h 22m
United Airlines
Wed 2/1812:57 pm
PDX
- HRL
1 stop7h 02m
United Airlines
Deal found 2/3![United Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 2/146:00 am
HRL
- SEA
1 stop8h 54m
American Airlines
Sun 2/225:37 am
SEA
- HRL
1 stop6h 37m
American Airlines
Deal found 2/3![American Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 2/3. 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.
Sat 2/1412:30 pm
HRL
- SEA
2 stops12h 20m
Southwest
Sun 2/2211:00 am
SEA
- HRL
2 stops9h 10m
Southwest
Deal found 2/3![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 2/4. 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 2/147:00 am
HRL
- SEA
1 stop8h 24m
United Airlines
Wed 2/187:00 am
SEA
- HRL
2 stops12h 59m
United Airlines
Deal found 2/4![United Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/186:00 am
HRL
- SEA
1 stop6h 55m
American Airlines
Sun 2/225:37 am
SEA
- HRL
1 stop6h 37m
American Airlines
Deal found 2/3![American Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 2/3. 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.
Wed 2/186:30 am
HRL
- SEA
2 stops11h 30m
Southwest
Sun 2/2211:00 am
SEA
- HRL
2 stops9h 10m
Southwest
Deal found 2/3![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 2/1912:10 pm
HRL
- SEA
2 stops13h 20m
United Airlines
Mon 2/236:45 am
SEA
- HRL
1 stop7h 19m
United Airlines
Deal found 2/4![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 2/4. 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.
Fri 3/65:30 pm
HRL
- PDX
2 stops9h 55m
Southwest
Wed 3/115:15 am
PDX
- HRL
2 stops8h 55m
Southwest
Deal found 2/4![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
HRL
- PDX
1 stop7h 07m
American Airlines
Wed 3/1111:59 pm
PDX
- HRL
1 stop8h 13m
American Airlines
Deal found 2/4![American Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:06 pm
HRL
- GEG
1 stop6h 17m
American Airlines
Thu 3/1911:59 pm
GEG
- HRL
1 stop8h 13m
American Airlines
Deal found 2/5![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:06 pm
HRL
- GEG
1 stop6h 17m
American Airlines
Wed 3/186:00 am
GEG
- HRL
1 stop6h 14m
American Airlines
Deal found 2/5![American Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:04 pm
HRL
- GEG
1 stop7h 25m
Delta
Thu 3/196:00 am
GEG
- HRL
1 stop7h 09m
Delta
Deal found 2/5![Delta logo]()
$499
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 February 5, 2026.
Search for one-way flight options from Harlingen to Washington. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 3/242:36 pm
HRL
- SEA
1 stop8h 40m
American Airlines
Deal found 2/2![American Airlines logo]()
$129
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 3/249:20 am
HRL
- GEG
2 stops13h 43m
United Airlines
Deal found 2/4![United Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 3/2412:10 pm
HRL
- SEA
2 stops10h 48m
United Airlines
Deal found 2/4![United Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:04 pm
HRL
- GEG
1 stop7h 25m
Delta
Deal found 2/4![Delta logo]()
$170
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/244:04 pm
HRL
- GEG
1 stop7h 25m
Delta
Deal found 2/4![Delta logo]()
$220
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 3/39:20 am
HRL
- SEA
2 stops13h 41m
United Airlines
Deal found 2/3![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/259:20 am
HRL
- GEG
2 stops13h 43m
United Airlines
Deal found 2/4![United Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 3/1312:10 pm
HRL
- SEA
1 stop9h 15m
United Airlines
Deal found 2/3![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 2/5. 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 3/136:50 am
HRL
- PDX
2 stops9h 35m
Southwest
Deal found 2/5![Southwest logo]()
$265
This deal was found by Cheapflights users on 2/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:25 pm
HRL
- SEA
1 stop7h 34m
United Airlines
Deal found 2/1![United Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 2/3. 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 3/136:50 am
HRL
- SEA
2 stops10h 15m
Southwest
Deal found 2/3![Southwest logo]()
$280
This Southwest deal was found by Cheapflights users on 2/4. 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 2/227:00 am
HRL
- PDX
2 stops9h 55m
Southwest
Deal found 2/4![Southwest logo]()
$285
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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (American Airlines) |
One-way from | $129 (American Airlines) |
Popular in | January |
Cheapest in | February |
Average price | $263 |
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 February 5, 2026.
Use the filters below to find and compare flights from Harlingen to Washington that are best for you.
Fly from
Harlingen
Fly to
Washington
Route
Depart
Return
Price
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Wed 4/1
8:06 pm-12:55 am
1 stop6h 49m
Seattle/Tacoma Intl
Wed 4/8
11:55 pm-10:17 am
1 stop8h 22m
$217
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Mon 4/20
7:53 pm-12:44 am
1 stop6h 51m
Seattle/Tacoma Intl
Mon 4/27
11:55 pm-10:17 am
1 stop8h 22m
$246
HarlingenPortland
HRL - PDX
HRLPDX
Harlingen Valley Intl
Sat 2/14
7:00 am-12:22 pm
1 stop7h 22m
Portland
Wed 2/18
12:57 pm-9:59 pm
1 stop7h 02m
$311
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Wed 4/1
12:05 pm-7:42 pm
1 stop9h 37m
Seattle/Tacoma Intl
Wed 4/8
6:20 am-7:40 pm
2 stops11h 20m
$332
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Mon 4/20
6:00 pm-12:40 am
2 stops8h 40m
Seattle/Tacoma Intl
Mon 4/27
5:30 am-4:15 pm
2 stops8h 45m
$384
HarlingenPortland
HRL - PDX
HRLPDX
Harlingen Valley Intl
Fri 3/6
5:30 pm-1:25 am
2 stops9h 55m
Portland
Wed 3/11
5:15 am-4:10 pm
2 stops8h 55m
$404
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Fri 5/29
6:00 pm-12:40 am
2 stops8h 40m
Seattle/Tacoma Intl
Mon 6/8
5:15 am-5:00 pm
2 stops9h 45m
$413
HarlingenSpokane
HRL - GEG
HRLGEG
Harlingen Valley Intl
Sun 3/15
8:06 pm-12:23 am
1 stop6h 17m
Spokane
Thu 3/19
11:59 pm-10:12 am
1 stop8h 13m
$419
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Fri 4/10
6:00 am-10:51 am
1 stop6h 51m
Seattle/Tacoma Intl
Sun 4/12
11:55 pm-10:17 am
1 stop8h 22m
$422
HarlingenSeattle
HRL - SEA
HRLSEA
Harlingen Valley Intl
Wed 2/18
6:30 am-4:00 pm
2 stops11h 30m
Seattle/Tacoma Intl
Sun 2/22
11:00 am-10:10 pm
2 stops9h 10m
$429
Showing 1-10 of 39 results
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, Texas to State of Washington?
Currently, December is the cheapest month in which you can book a flight from Harlingen, Texas to State of Washington (average of $149). Flying from Harlingen, Texas to State of Washington in May is currently the most expensive (average of $294). 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 February 5, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 February 5, 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 4 airlines flying from Harlingen to Washington
Discover the top 4 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$281 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$278 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$328 | Average$603 | FlexibilityNo cancel fee | On-time63% |