$138+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEA
Jun 4 — Jun 111
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 May 5, 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 May 5, 2026.
This Delta deal was found by Cheapflights users on 4/30. 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 24m
Delta
Sat 9/51:30 pm
GEG
- IAD
1 stop7h 21m
Delta
Deal found 4/30![Delta logo]()
$275
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:55 am
IAD
- SEA
1 stop27h 40m
Frontier
Mon 6/228:12 pm
SEA
- IAD
1 stop9h 13m
Frontier
Deal found 4/30![Frontier logo]()
$277
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:50 am
IAD
- SEA
1 stop27h 49m
Frontier
Mon 8/38:12 pm
SEA
- IAD
1 stop9h 08m
Frontier
Deal found 4/30![Frontier logo]()
$278
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:35 pm
IAD
- SEA
Nonstop5h 45m
United Airlines
Sat 8/2911:56 pm
SEA
- IAD
1 stop8h 32m
United Airlines
Deal found 5/4![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 4/30. 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 8/123:40 pm
IAD
- SEA
1 stop10h 02m
United Airlines
Wed 8/2611:10 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Deal found 4/30![United Airlines logo]()
$280
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:00 am
IAD
- SEA
Nonstop5h 46m
Multiple Airlines
Sat 6/138:12 pm
SEA
- IAD
1 stop9h 13m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$282
This Travelocity deal was found by Cheapflights users on 5/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:50 am
IAD
- SEA
1 stop27h 49m
Multiple Airlines
Tue 8/46:21 am
SEA
- IAD
1 stop9h 24m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$283
This Vliegwinkel deal was found by Cheapflights users on 5/1. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:12 am
IAD
- SEA
1 stop28h 24m
Multiple Airlines
Wed 6/104:01 pm
SEA
- IAD
Nonstop4h 58m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 9/177:00 am
IAD
- SEA
Nonstop5h 40m
Alaska Airlines
Wed 9/238:38 am
SEA
- IAD
Nonstop5h 16m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$285
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:10 am
IAD
- GEG
1 stop8h 52m
American Airlines
Tue 9/15:40 am
GEG
- IAD
1 stop9h 47m
American Airlines
Deal found 5/1![American Airlines logo]()
$285
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:18 pm
IAD
- SEA
Nonstop5h 45m
United Airlines
Wed 8/1911:56 pm
SEA
- IAD
1 stop8h 32m
United Airlines
Deal found 5/1![United Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:00 am
IAD
- SEA
Nonstop5h 51m
United Airlines
Thu 6/1111:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Deal found 5/2![United Airlines logo]()
$288
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 May 5, 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 May 5, 2026.
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:30 am
IAD
- GEG
1 stop7h 31m
Delta
Mon 6/810:48 pm
GEG
- IAD
1 stop7h 33m
Delta
Deal found 5/2![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 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 stop10h 47m
Alaska Airlines
Sat 9/126:00 am
GEG
- IAD
1 stop9h 14m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/69:00 am
IAD
- SEA
Nonstop5h 51m
United Airlines
Tue 7/1411:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Deal found 4/30![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 5/283:08 pm
IAD
- GEG
2 stops11h 27m
Delta
Thu 6/41:11 pm
GEG
- IAD
1 stop8h 02m
Delta
Deal found 5/4![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 5/3. 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 7/181:16 pm
IAD
- ALW
2 stops13h 37m
American Airlines
Wed 7/225:13 am
ALW
- IAD
2 stops11h 21m
American Airlines
Deal found 5/3![American Airlines logo]()
$667
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:49 pm
IAD
- SEA
1 stop16h 30m
Alaska Airlines
Tue 7/144:01 pm
SEA
- IAD
Nonstop4h 58m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 4/30. 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 7/93:02 pm
IAD
- GEG
1 stop9h 31m
Delta
Sun 7/1210:48 pm
GEG
- IAD
1 stop9h 49m
Delta
Deal found 4/30![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
IAD
- GEG
1 stop9h 05m
United Airlines
Wed 8/191:38 pm
GEG
- IAD
1 stop8h 02m
United Airlines
Deal found 5/3![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 am
IAD
- PDX
1 stop7h 36m
Delta
Mon 8/312:32 am
PDX
- IAD
1 stop7h 16m
Delta
Deal found 5/3![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:53 pm
IAD
- SEA
1 stop16h 26m
Alaska Airlines
Thu 8/69:13 am
SEA
- IAD
Nonstop4h 58m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:30 am
IAD
- SEA
1 stop9h 04m
United Airlines
Sun 5/2411:00 pm
SEA
- IAD
1 stop9h 28m
United Airlines
Deal found 5/1![United Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:53 pm
IAD
- SEA
1 stop16h 26m
Alaska Airlines
Wed 8/59:13 am
SEA
- IAD
Nonstop4h 58m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 4/29. 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 7/217:00 am
IAD
- SEA
Nonstop5h 45m
Delta
Tue 7/214:00 pm
SEA
- IAD
Nonstop5h 03m
Delta
Deal found 4/29![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:00 am
IAD
- GEG
1 stop8h 11m
Delta
Mon 6/810:48 pm
GEG
- IAD
1 stop7h 33m
Delta
Deal found 5/3![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
IAD
- GEG
1 stop8h 39m
Alaska Airlines
Sun 9/205:21 pm
GEG
- IAD
1 stop9h 19m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:15 pm
IAD
- SEA
1 stop9h 53m
United Airlines
Sun 5/3111:00 pm
SEA
- IAD
1 stop9h 28m
United Airlines
Deal found 5/1![United Airlines logo]()
$462
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 7/163:02 pm
IAD
- GEG
1 stop9h 31m
Delta
Thu 7/3010:48 pm
GEG
- IAD
1 stop7h 38m
Delta
Deal found 5/4![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
IAD
- PSC
1 stop8h 04m
Alaska Airlines
Tue 6/911:41 am
PSC
- IAD
1 stop9h 18m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/3. 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 7/105:40 pm
IAD
- PDX
Nonstop5h 39m
United Airlines
Wed 7/151:14 pm
PDX
- IAD
1 stop8h 41m
United Airlines
Deal found 5/3![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:00 am
IAD
- GEG
2 stops9h 40m
Delta
Thu 9/312:40 pm
GEG
- IAD
1 stop8h 30m
Delta
Deal found 5/2![Delta logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 5/306:00 am
IAD
- BLI
1 stop10h 20m
Alaska Airlines
Wed 6/35:53 pm
BLI
- IAD
1 stop27h 06m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 5/4. 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 6/27:00 am
IAD
- PSC
1 stop10h 48m
Delta
Tue 6/912:30 pm
PSC
- IAD
1 stop8h 55m
Delta
Deal found 5/4![Delta logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:00 am
IAD
- PSC
1 stop8h 04m
Alaska Airlines
Sat 6/61:53 pm
PSC
- IAD
1 stop7h 06m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:45 pm
IAD
- PDX
Nonstop5h 39m
United Airlines
Sun 7/2611:30 pm
PDX
- IAD
Nonstop5h 02m
United Airlines
Deal found 5/1![United Airlines logo]()
$565
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:37 pm
IAD
- SEA
1 stop16h 48m
Alaska Airlines
Sun 5/313:53 pm
SEA
- IAD
Nonstop5h 06m
Alaska Airlines
Deal found 5/1![Alaska Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 5/287:00 am
IAD
- PSC
1 stop10h 50m
Delta
Wed 6/39:59 am
PSC
- IAD
2 stops10h 40m
Delta
Deal found 5/4![Delta logo]()
$416
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/236:45 pm
IAD
- PDX
Nonstop5h 39m
United Airlines
Mon 6/2911:30 pm
PDX
- IAD
Nonstop5h 02m
United Airlines
Deal found 4/30![United Airlines logo]()
$567
This American Airlines deal was found by Cheapflights users on 5/4. 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 5/256:20 am
IAD
- YKM
2 stops11h 14m
American Airlines
Sat 6/63:14 pm
YKM
- IAD
2 stops14h 36m
American Airlines
Deal found 5/4![American Airlines logo]()
$944
This Delta deal was found by Cheapflights users on 5/4. 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 6/95:29 pm
IAD
- PSC
2 stops9h 29m
Delta
Tue 6/1612:30 pm
PSC
- IAD
1 stop8h 55m
Delta
Deal found 5/4![Delta logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 6/116:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Mon 6/159:04 pm
SEA
- IAD
1 stop18h 41m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$464
Last-minute flights from Dulles Intl to WashingtonDiscover last-minute flight deals from Dulles Intl to Washington. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Washington. Data last updated May 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:08 am
IAD
- GEG
1 stop8h 09m
Delta
Wed 5/2710:40 pm
GEG
- IAD
1 stop7h 36m
Delta
Deal found 5/3![Delta logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 5/275:38 pm
IAD
- SEA
Nonstop5h 54m
Alaska Airlines
Sat 6/63:53 pm
SEA
- IAD
Nonstop5h 06m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 4/30. 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 5/296:08 am
IAD
- GEG
1 stop8h 09m
Delta
Mon 6/111:05 am
GEG
- IAD
1 stop10h 08m
Delta
Deal found 4/30![Delta logo]()
$292
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:12 am
IAD
- SEA
1 stop28h 24m
Multiple Airlines
Wed 6/104:01 pm
SEA
- IAD
Nonstop4h 58m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$293
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:37 pm
IAD
- SEA
1 stop17h 48m
Multiple Airlines
Tue 6/98:12 pm
SEA
- IAD
1 stop9h 13m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$289
This Vliegwinkel deal was found by Cheapflights users on 5/1. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:12 am
IAD
- SEA
1 stop28h 24m
Multiple Airlines
Wed 6/104:01 pm
SEA
- IAD
Nonstop4h 58m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:00 am
IAD
- SEA
Nonstop5h 51m
United Airlines
Thu 6/1111:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Deal found 5/2![United Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/45:55 pm
IAD
- SEA
Nonstop5h 51m
United Airlines
Wed 6/101:00 pm
SEA
- IAD
Nonstop5h 06m
United Airlines
Deal found 4/30![United Airlines logo]()
$290
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:00 am
IAD
- SEA
Nonstop5h 46m
Multiple Airlines
Sat 6/138:12 pm
SEA
- IAD
1 stop9h 13m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:00 am
IAD
- SEA
Nonstop5h 45m
Delta
Tue 6/94:20 pm
SEA
- IAD
Nonstop5h 05m
Delta
Deal found 5/1![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 4/30. 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 6/87:00 am
IAD
- SEA
Nonstop5h 45m
Delta
Tue 6/164:20 pm
SEA
- IAD
Nonstop5h 05m
Delta
Deal found 4/30![Delta logo]()
$292
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:55 am
IAD
- SEA
1 stop27h 40m
Frontier
Mon 6/228:12 pm
SEA
- IAD
1 stop9h 13m
Frontier
Deal found 4/30![Frontier logo]()
$277
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 May 5, 2026.
Search for one-way flight options from Dulles Intl to Washington. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 5/306:00 am
IAD
- GEG
1 stop8h 42m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$138
This Delta deal was found by Cheapflights users on 4/30. 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 6/106:00 am
IAD
- GEG
2 stops10h 18m
Delta
Deal found 4/30![Delta logo]()
$143
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:35 am
IAD
- SEA
1 stop28h 00m
Frontier
Deal found 4/30![Frontier logo]()
$149
This Expedia deal was found by Cheapflights users on 5/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:55 am
IAD
- SEA
1 stop27h 40m
Frontier
Deal found 5/2![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/298:57 pm
IAD
- SEA
2 stops39h 51m
Frontier
Deal found 4/30![Frontier logo]()
$152
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/79:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Deal found 5/4![Frontier logo]()
$153
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:02 pm
IAD
- GEG
1 stop9h 31m
Delta
Deal found 5/2![Delta logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:37 pm
IAD
- SEA
2 stops25h 58m
Frontier
Deal found 5/1![Frontier logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 7/157:53 pm
IAD
- SEA
1 stop16h 26m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$158
This Super.com deal was found by Cheapflights users on 5/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Deal found 5/1![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:57 pm
IAD
- PDX
2 stops44h 01m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$162
This American Airlines deal was found by Cheapflights users on 5/4. 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 9/112:46 pm
IAD
- GEG
1 stop9h 01m
American Airlines
Deal found 5/4![American Airlines logo]()
$164
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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $275 (Delta) |
One-way from | $138 (Alaska Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $389 |
Good round-trip deal | $419 or less |
Good one-way deal | $243 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 May 5, 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
Wed 6/3
7:30 am-12:01 pm
1 stop7h 31m
Spokane
Mon 6/8
10:48 pm-9:21 am
1 stop7h 33m
$292
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Thu 5/28
3:08 pm-11:35 pm
2 stops11h 27m
Spokane
Thu 6/4
1:11 pm-12:13 am
1 stop8h 02m
$297
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Sun 9/6
7:00 am-2:47 pm
1 stop10h 47m
Spokane
Sat 9/12
6:00 am-6:14 pm
1 stop9h 14m
$322
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Thu 7/9
3:02 pm-9:33 pm
1 stop9h 31m
Spokane
Sun 7/12
10:48 pm-11:37 am
1 stop9h 49m
$322
Washington, D.C.Portland
IAD - PDX
IADPDX
Washington, D.C. Dulles Intl
Tue 7/28
6:00 am-10:36 am
1 stop7h 36m
Portland
Mon 8/3
12:32 am-10:48 am
1 stop7h 16m
$337
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Wed 7/8
7:49 pm-9:19 am
1 stop16h 30m
Seattle/Tacoma Intl
Tue 7/14
4:01 pm-11:59 pm
Nonstop4h 58m
$340
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Mon 7/6
9:00 am-11:51 am
Nonstop5h 51m
Seattle/Tacoma Intl
Tue 7/14
11:20 pm-7:22 am
Nonstop5h 02m
$359
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Tue 7/21
7:00 am-9:45 am
Nonstop5h 45m
Seattle/Tacoma Intl
Tue 7/21
4:00 pm-12:03 am
Nonstop5h 03m
$361
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Thu 6/4
7:00 am-12:11 pm
1 stop8h 11m
Spokane
Mon 6/8
10:48 pm-9:21 am
1 stop7h 33m
$364
Washington, D.C.Spokane
IAD - GEG
IADGEG
Washington, D.C. Dulles Intl
Thu 7/16
3:02 pm-9:33 pm
1 stop9h 31m
Spokane
Thu 7/30
10:48 pm-9:26 am
1 stop7h 38m
$364
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-GEG
IAD-BLI
IAD-SEA
IAD-ALW
IAD-PUW
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-GEG
IAD-BLI
IAD-SEA
IAD-ALW
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 35 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 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 June is currently the most expensive (average of $920). 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 May 5, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 11% on flights from Washington, D.C. Dulles Intl Airport to State of Washington by exploring options for tickets at noon.
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 May 2, 2026.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to State of Washington flight should consider departing on Tuesday at noon 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.
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 May 5, 2026.
The most flights from IAD to USWA are scheduled on a Monday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to State of Washington?
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 May 5, 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.
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - 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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Dulles Intl and Washington flights
Browse other Dulles Intl and Washington flight options. Last updated on May 5, 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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$252 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$136 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$361 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$199 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$230 | Average$452 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$336 | Average$527 | FlexibilityNo cancel fee | On-time71% |