$129+ Cheap flights from Dulles Intl (IAD) 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEA
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to WashingtonExplore the most affordable flight options available from Dulles Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
Explore the most affordable flight options available from Dulles Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 9/157:10 am
IAD
- GEG
1 stop8h 10m
Delta
Tue 9/229:17 am
GEG
- IAD
1 stop10h 32m
Delta
Deal found 6/11![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:10 am
IAD
- GEG
1 stop8h 10m
Delta
Thu 10/19:17 am
GEG
- IAD
1 stop10h 32m
Delta
Deal found 6/10![Delta logo]()
$208
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 9/97:10 am
IAD
- GEG
1 stop8h 52m
Delta
Wed 9/169:17 am
GEG
- IAD
1 stop10h 32m
Delta
Deal found 6/11![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 9/257:10 am
IAD
- GEG
1 stop8h 10m
Delta
Mon 10/511:10 am
GEG
- IAD
1 stop8h 39m
Delta
Deal found 6/11![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 8/187:10 am
IAD
- GEG
1 stop7h 58m
Delta
Tue 8/251:23 pm
GEG
- IAD
1 stop7h 16m
Delta
Deal found 6/11![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 6/11. 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 8/292:23 pm
IAD
- GEG
1 stop8h 01m
Delta
Sat 9/512:36 pm
GEG
- IAD
1 stop8h 58m
Delta
Deal found 6/11![Delta logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:47 pm
IAD
- GEG
1 stop7h 38m
Alaska Airlines
Sat 9/126:00 am
GEG
- IAD
1 stop9h 14m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/242:47 pm
IAD
- GEG
1 stop10h 49m
United Airlines
Tue 9/11:37 pm
GEG
- IAD
1 stop6h 42m
United Airlines
Deal found 6/11![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 7/97:00 am
IAD
- GEG
1 stop8h 11m
Delta
Tue 7/141:00 pm
GEG
- IAD
1 stop8h 08m
Delta
Deal found 6/11![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 6/15. 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.
Thu 9/247:10 am
IAD
- GEG
1 stop8h 10m
Delta
Sun 9/279:17 am
GEG
- IAD
1 stop10h 32m
Delta
Deal found 6/15![Delta logo]()
$310
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:31 pm
IAD
- PDX
1 stop8h 24m
American Airlines
Wed 7/2911:41 pm
PDX
- IAD
1 stop8h 26m
American Airlines
Deal found 6/11![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/10. 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 11/31:58 pm
IAD
- PDX
1 stop10h 17m
American Airlines
Mon 11/910:15 pm
PDX
- IAD
1 stop7h 26m
American Airlines
Deal found 6/10![American Airlines logo]()
$318
Best flights from Dulles Intl to WashingtonDiscover carefully curated flight deals from Dulles Intl to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from Dulles Intl to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
IAD
- GEG
1 stop8h 21m
Delta
Sat 9/512:36 pm
GEG
- IAD
1 stop8h 58m
Delta
Deal found 6/12![Delta logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:47 pm
IAD
- GEG
1 stop7h 38m
Alaska Airlines
Sat 9/126:00 am
GEG
- IAD
1 stop9h 14m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 8/262:43 pm
IAD
- GEG
1 stop9h 03m
United Airlines
Wed 9/25:00 am
GEG
- IAD
1 stop9h 50m
United Airlines
Deal found 6/13![United Airlines logo]()
$343
This Sun Country Air deal was found by Cheapflights users on 6/14. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/512:40 pm
IAD
- GEG
1 stop6h 51m
Sun Country Air
Sun 7/126:29 pm
GEG
- IAD
1 stop14h 16m
Sun Country Air
Deal found 6/14![Sun Country Air logo]()
$495
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/711:59 am
IAD
- PSC
2 stops14h 20m
American Airlines
Wed 7/155:15 am
PSC
- IAD
2 stops13h 50m
American Airlines
Deal found 6/15![American Airlines logo]()
$616
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:35 pm
IAD
- SEA
1 stop16h 45m
Alaska Airlines
Sat 9/59:35 pm
SEA
- IAD
Nonstop5h 05m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:10 am
IAD
- PDX
1 stop7h 35m
Delta
Sun 8/2311:20 pm
PDX
- IAD
1 stop8h 03m
Delta
Deal found 6/10![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 10/95:45 pm
IAD
- SEA
Nonstop5h 52m
United Airlines
Sun 10/1811:13 pm
SEA
- IAD
1 stop9h 42m
United Airlines
Deal found 6/10![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Mon 8/249:35 pm
SEA
- IAD
Nonstop5h 05m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 am
IAD
- PDX
1 stop7h 16m
Delta
Mon 8/2412:35 am
PDX
- IAD
1 stop7h 13m
Delta
Deal found 6/12![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am
IAD
- SEA
Nonstop5h 37m
Alaska Airlines
Mon 9/148:49 pm
SEA
- IAD
1 stop18h 25m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/193:40 pm
IAD
- SEA
1 stop10h 03m
United Airlines
Fri 8/2811:00 pm
SEA
- IAD
1 stop9h 52m
United Airlines
Deal found 6/10![United Airlines logo]()
$385
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:50 am
IAD
- EAT
3 stops31h 17m
Multiple Airlines
Mon 8/35:15 am
EAT
- IAD
3 stops24h 05m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$868
This United Airlines deal was found by Cheapflights users on 6/15. 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 8/305:26 pm
IAD
- SEA
1 stop8h 38m
United Airlines
Sat 9/55:00 am
SEA
- IAD
1 stop9h 53m
United Airlines
Deal found 6/15![United Airlines logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:35 pm
IAD
- PDX
1 stop16h 55m
Alaska Airlines
Wed 9/95:38 pm
PDX
- IAD
1 stop21h 36m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 8/146:00 am
IAD
- GEG
1 stop9h 57m
Delta
Mon 8/1710:56 pm
GEG
- IAD
1 stop7h 24m
Delta
Deal found 6/11![Delta logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
IAD
- SEA
Nonstop5h 37m
Alaska Airlines
Sat 8/299:35 pm
SEA
- IAD
Nonstop5h 05m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 am
IAD
- PDX
1 stop7h 16m
Delta
Sat 8/156:45 am
PDX
- IAD
1 stop10h 20m
Delta
Deal found 6/13![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/256:15 am
IAD
- SEA
2 stops15h 53m
United Airlines
Sun 8/306:15 pm
SEA
- IAD
1 stop8h 10m
United Airlines
Deal found 6/14![United Airlines logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
IAD
- SEA
Nonstop5h 37m
Alaska Airlines
Mon 9/79:35 pm
SEA
- IAD
Nonstop5h 05m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:49 pm
IAD
- PDX
1 stop7h 31m
Delta
Sun 8/2311:20 pm
PDX
- IAD
1 stop8h 03m
Delta
Deal found 6/10![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/75:40 pm
IAD
- PDX
Nonstop5h 39m
United Airlines
Sat 7/1111:29 pm
PDX
- IAD
Nonstop5h 02m
United Airlines
Deal found 6/10![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 6/15. 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 8/95:25 pm
IAD
- PDX
1 stop7h 44m
Delta
Tue 8/1810:55 pm
PDX
- IAD
1 stop7h 25m
Delta
Deal found 6/15![Delta logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
IAD
- PDX
1 stop9h 37m
Alaska Airlines
Tue 9/151:59 pm
PDX
- IAD
1 stop7h 00m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 8/255:33 pm
IAD
- PDX
Nonstop5h 37m
United Airlines
Tue 9/18:25 am
PDX
- IAD
Nonstop5h 01m
United Airlines
Deal found 6/13![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:00 am
IAD
- PSC
1 stop10h 54m
Delta
Wed 7/1512:32 pm
PSC
- IAD
1 stop8h 36m
Delta
Deal found 6/14![Delta logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am
IAD
- GEG
1 stop8h 31m
Alaska Airlines
Sat 9/126:00 am
GEG
- IAD
1 stop9h 14m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:40 pm
IAD
- PDX
Nonstop5h 39m
United Airlines
Tue 8/1111:02 pm
PDX
- IAD
1 stop7h 26m
United Airlines
Deal found 6/12![United Airlines logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:30 am
IAD
- PDX
1 stop10h 25m
Alaska Airlines
Tue 8/255:41 pm
PDX
- IAD
1 stop8h 59m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 8/216:49 pm
IAD
- GEG
1 stop7h 20m
Delta
Sun 8/2310:56 pm
GEG
- IAD
1 stop7h 24m
Delta
Deal found 6/11![Delta logo]()
$459
Last-minute flights from Dulles Intl to WashingtonDiscover last-minute flight deals from Dulles Intl to Washington. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Washington. Data last updated June 16, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:55 am
IAD
- PDX
1 stop12h 52m
Frontier
Fri 7/36:19 pm
PDX
- IAD
1 stop11h 06m
Frontier
Deal found 6/11![Frontier logo]()
$323
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:55 am
IAD
- SEA
1 stop27h 40m
Frontier
Fri 7/108:53 pm
SEA
- IAD
1 stop8h 27m
Frontier
Deal found 6/12![Frontier logo]()
$322
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:00 am
IAD
- SEA
Nonstop5h 45m
Delta
Fri 7/104:05 pm
SEA
- IAD
Nonstop5h 03m
Delta
Deal found 6/13![Delta logo]()
$326
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 7/97:00 am
IAD
- GEG
1 stop8h 11m
Delta
Tue 7/141:00 pm
GEG
- IAD
1 stop8h 08m
Delta
Deal found 6/11![Delta logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:50 am
IAD
- SEA
2 stops12h 08m
Frontier
Tue 7/218:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Deal found 6/14![Frontier logo]()
$324
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:50 am
IAD
- SEA
1 stop27h 49m
Multiple Airlines
Wed 7/2210:43 pm
SEA
- IAD
Nonstop4h 56m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:31 pm
IAD
- PDX
1 stop8h 24m
American Airlines
Wed 7/2911:41 pm
PDX
- IAD
1 stop8h 26m
American Airlines
Deal found 6/11![American Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/217:31 pm
IAD
- SEA
1 stop8h 26m
American Airlines
Tue 7/2811:22 pm
SEA
- IAD
1 stop8h 45m
American Airlines
Deal found 6/15![American Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:30 am
IAD
- SEA
1 stop28h 09m
Frontier
Tue 7/288:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Deal found 6/11![Frontier logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Tue 8/46:21 am
SEA
- IAD
1 stop9h 24m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:50 am
IAD
- SEA
2 stops26h 27m
Frontier
Tue 7/288:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Deal found 6/11![Frontier logo]()
$328
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:31 pm
IAD
- PDX
1 stop8h 24m
American Airlines
Tue 8/49:47 pm
PDX
- IAD
1 stop9h 10m
American Airlines
Deal found 6/11![American Airlines logo]()
$332
One-way flights from Dulles Intl to WashingtonSearch for one-way flight options from Dulles Intl to Washington. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Dulles Intl to Washington. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:20 am
IAD
- BLI
1 stop31h 17m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$129
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
IAD
- GEG
1 stop9h 57m
Delta
Deal found 6/14![Delta logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:20 am
IAD
- BLI
1 stop31h 17m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:50 am
IAD
- PSC
1 stop13h 08m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:20 am
IAD
- BLI
1 stop31h 47m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$166
This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:57 pm
IAD
- GEG
1 stop9h 02m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 8/95:55 pm
IAD
- SEA
Nonstop5h 51m
United Airlines
Deal found 6/11![United Airlines logo]()
$173
This Trip.com deal was found by Cheapflights users on 6/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:50 am
IAD
- PDX
1 stop10h 04m
Frontier
Deal found 6/13![Frontier logo]()
$173
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:03 am
IAD
- GEG
1 stop9h 26m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:30 am
IAD
- SEA
1 stop28h 38m
Frontier
Deal found 6/12![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:33 pm
IAD
- PDX
2 stops44h 25m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:50 am
IAD
- SEA
2 stops12h 08m
Frontier
Deal found 6/10![Frontier logo]()
$175
Find flight deals from Dulles Intl to Washington
Keep the following information in mind while searching for Dulles Intl to Washington flight deals. Data was last updated June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Delta) |
One-way from | $129 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $505 |
Good round-trip deal | $385 or less |
Good one-way deal | $244 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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 June 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Sat 8/29
6:00 am-11:21 am
1 stop8h 21m
Spokane
Sat 9/5
12:36 pm-12:34 am
1 stop8h 58m
$275
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Sat 9/5
5:47 pm-10:25 pm
1 stop7h 38m
Spokane
Sat 9/12
6:00 am-6:14 pm
1 stop9h 14m
$295
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Thu 8/27
7:35 pm-9:20 am
1 stop16h 45m
Seattle/Tacoma Intl
Sat 9/5
9:35 pm-5:40 am
Nonstop5h 05m
$325
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Sat 8/15
6:03 am-8:48 am
Nonstop5h 45m
Seattle/Tacoma Intl
Mon 8/24
9:35 pm-5:40 am
Nonstop5h 05m
$340
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Wed 8/26
2:43 pm-8:46 pm
1 stop9h 03m
Spokane
Wed 9/2
5:00 am-5:50 pm
1 stop9h 50m
$343
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Wed 9/2
7:00 am-9:37 am
Nonstop5h 37m
Seattle/Tacoma Intl
Mon 9/14
8:49 pm-6:14 pm
1 stop18h 25m
$345
Washington, D.C.Portland
IAD - PDX
IADPDX
Washington, D.C. Dulles Intl
Wed 8/12
7:10 am-11:45 am
1 stop7h 35m
Portland
Sun 8/23
11:20 pm-10:23 am
1 stop8h 03m
$357
Washington, D.C.Portland
IAD - PDX
IADPDX
Washington, D.C. Dulles Intl
Tue 9/8
7:35 pm-9:30 am
1 stop16h 55m
Portland
Wed 9/9
5:38 pm-6:14 pm
1 stop21h 36m
$357
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Fri 10/9
5:45 pm-8:37 pm
Nonstop5h 52m
Seattle/Tacoma Intl
Sun 10/18
11:13 pm-11:55 am
1 stop9h 42m
$367
Washington, D.C.Portland
IAD - PDX
IADPDX
Washington, D.C. Dulles Intl
Mon 8/10
6:10 am-10:26 am
1 stop7h 16m
Portland
Mon 8/24
12:35 am-10:48 am
1 stop7h 13m
$378
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Dulles Intl with our price prediction graph.
IAD-BLI
IAD-GEG
IAD-PSC
IAD-SEA
IAD-PDX
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 Washington, D.C. Dulles Intl Airport to Washington
IAD-USWA
IAD-BLI
IAD-GEG
IAD-PSC
IAD-SEA
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to State of Washington (average of $119). Flying from Washington, D.C. Dulles Intl Airport to State of Washington in May is currently the most expensive (average of $193). 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.
What is the cheapest time of day to fly from IAD to WA?
Find hourly flight availability from Dulles Intl to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 16% on flights from Washington, D.C. Dulles Intl Airport to State of Washington by exploring options for tickets at noon.
Weekly flight availability from Washington, D.C. Dulles Intl Airport to State of Washington
Explore weekly flight availability from Dulles Intl to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 16, 2026.
The most flights from IAD to USWA are scheduled on a Monday (26 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to State of Washington?
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to State of Washington?
The best time to book flights from Washington, D.C. Dulles Intl Airport to State of Washington is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Washington. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to State of Washington flight should consider departing on Friday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 June 16, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Washington, such as Alaska Airlines,Delta, andHawaiian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl 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 Dulles Intl to Washington
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Dulles Intl and Washington flights
Browse other Dulles Intl and Washington flight options. Last updated on June 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Dulles Intl to Washington flights
Consider these flights traveling from Dulles Intl to Washington.
Top 6 airlines flying from Dulles Intl to Washington
Discover the top 6 airlines that operate flights from Dulles Intl 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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$347 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$144 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$485 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$221 | Average$466 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$337 | Average$529 | FlexibilityNo cancel fee | On-time71% |