$159+ Cheap flights from Dulles Intl (IAD) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SEA
Nov 30 — Dec 71
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 October 31, 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 October 31, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 12/35:18 pm -
Nonstop6h 09m
Thu 12/179:45 pm -
Nonstop5h 00m
Deal found 10/30![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 10/30. 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 12/37:00 am -
Nonstop6h 10m
Wed 12/94:30 pm -
Nonstop5h 01m
Deal found 10/30![Delta logo]()
$299
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:31 pm -
2 stops24h 14m
Sat 11/219:53 pm -
1 stop28h 17m
Deal found 10/26![Frontier logo]()
$303
This Delta deal was found by Cheapflights users on 10/29. 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 12/16:00 am -
1 stop9h 06m
Sat 12/51:16 pm -
1 stop8h 25m
Deal found 10/29![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 10/30. 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 12/28:07 am -
1 stop9h 29m
Wed 12/164:30 pm -
Nonstop5h 01m
Deal found 10/30![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 12/53:14 pm -
1 stop9h 44m
Sat 12/1210:40 am -
1 stop8h 17m
Deal found 10/30![United Airlines logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:09 pm -
1 stop26h 28m
Tue 11/249:53 pm -
1 stop28h 17m
Deal found 10/30![Frontier logo]()
$316
This Delta deal was found by Cheapflights users on 10/30. 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 12/27:06 pm -
1 stop7h 47m
Tue 12/810:40 pm -
1 stop7h 36m
Deal found 10/30![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/186:00 am -
1 stop9h 31m
Sat 11/217:00 am -
1 stop9h 54m
Deal found 10/27![Delta logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:09 pm -
1 stop26h 28m
Sat 11/219:53 pm -
1 stop28h 17m
Deal found 10/27![Frontier logo]()
$321
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/177:00 am -
1 stop8h 15m
Fri 11/201:10 pm -
1 stop8h 10m
Deal found 10/27![Delta logo]()
$323
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:35 pm -
2 stops20h 08m
Sun 12/131:36 pm -
2 stops25h 02m
Deal found 10/27![Frontier logo]()
$325
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 October 31, 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 October 31, 2026.
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/57:00 am -
Nonstop6h 10m
Sat 12/1211:55 am -
Nonstop5h 04m
Deal found 10/28![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/247:05 am -
Nonstop5h 55m
Wed 12/309:45 pm -
Nonstop5h 00m
Deal found 10/29![Alaska Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 10/30. 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 2/1012:43 pm -
1 stop8h 29m
Wed 2/177:27 pm -
1 stop6h 49m
Deal found 10/30![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/37:00 am -
1 stop8h 15m
Thu 12/106:45 am -
1 stop8h 41m
Deal found 10/29![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/186:00 am -
1 stop9h 31m
Sat 11/217:00 am -
1 stop9h 54m
Deal found 10/27![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/193:00 pm -
1 stop9h 45m
Mon 11/231:10 pm -
1 stop8h 10m
Deal found 10/26![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 2/53:15 pm -
1 stop9h 44m
Tue 2/98:08 am -
Nonstop5h 01m
Deal found 10/28![United Airlines logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/117:00 am -
1 stop10h 18m
Tue 12/156:01 am -
1 stop7h 14m
Deal found 10/30![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/177:00 am -
1 stop8h 15m
Fri 11/201:10 pm -
1 stop8h 10m
Deal found 10/27![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/256:11 am -
1 stop9h 18m
Fri 11/277:30 am -
1 stop6h 54m
Deal found 10/28![United Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/77:46 am -
1 stop8h 12m
Sun 11/157:40 pm -
1 stop7h 04m
Deal found 10/28![Alaska Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/122:38 pm -
1 stop9h 19m
Mon 11/161:49 pm -
1 stop6h 26m
Deal found 10/28![United Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/117:00 am -
Nonstop6h 05m
Mon 12/143:00 pm -
1 stop23h 39m
Deal found 10/27![Alaska Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 12/16:00 am -
1 stop9h 06m
Sat 12/51:16 pm -
1 stop8h 25m
Deal found 10/30![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:20 am -
1 stop7h 27m
Mon 11/97:00 am -
1 stop10h 51m
Deal found 10/29![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/97:00 am -
Nonstop6h 10m
Tue 12/154:30 pm -
Nonstop5h 01m
Deal found 10/27![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 1/315:30 pm -
Nonstop6h 03m
Mon 2/159:30 pm -
Nonstop5h 01m
Deal found 10/28![Alaska Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/265:55 pm -
Nonstop6h 07m
Tue 12/2911:44 pm -
1 stop7h 18m
Deal found 10/26![United Airlines logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 2/46:53 pm -
1 stop17h 33m
Fri 2/128:25 am -
Nonstop5h 01m
Deal found 10/28![Alaska Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 3/56:00 am -
1 stop10h 15m
Tue 3/1611:59 pm -
1 stop6h 26m
Deal found 10/30![United Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 1/67:00 am -
1 stop8h 14m
Wed 1/1312:30 pm -
1 stop8h 20m
Deal found 10/27![Delta logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/157:00 am -
1 stop10h 34m
Tue 12/221:59 pm -
1 stop12h 46m
Deal found 10/31![Alaska Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 1/205:26 pm -
2 stops9h 20m
Wed 1/2712:35 pm -
1 stop8h 15m
Deal found 10/27![Delta logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/135:18 pm -
1 stop23h 08m
Sun 12/207:20 pm -
1 stop7h 25m
Deal found 10/28![Alaska Airlines logo]()
$541
This Alaska Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/117:46 am -
1 stop8h 26m
Sat 11/141:49 pm -
1 stop12h 55m
Deal found 10/28![Alaska Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 1/127:00 am -
1 stop8h 14m
Fri 1/2212:35 pm -
1 stop8h 15m
Deal found 10/27![Delta logo]()
$502
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:17 pm -
1 stop9h 31m
Wed 11/185:34 pm -
1 stop9h 10m
Deal found 10/29![Alaska Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 1/137:05 am -
1 stop7h 45m
Wed 1/207:00 am -
2 stops13h 17m
Deal found 10/27![Delta logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 1/135:30 pm -
1 stop9h 20m
Fri 1/156:01 pm -
1 stop19h 26m
Deal found 10/29![Alaska Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/122:43 pm -
1 stop8h 17m
Sun 12/135:12 pm -
2 stops15h 37m
Deal found 10/28![Delta logo]()
$507
Last-minute flights from Dulles Intl to WashingtonDiscover last-minute flight deals from Dulles Intl to Washington. Data last updated October 31, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Washington. Data last updated October 31, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/177:00 am -
1 stop8h 15m
Fri 11/201:10 pm -
1 stop8h 10m
Deal found 10/27![Delta logo]()
$323
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:16 am -
2 stops30h 56m
Wed 12/24:58 pm -
2 stops21h 47m
Deal found 10/27![Frontier logo]()
$345
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:31 pm -
2 stops24h 14m
Sat 11/219:53 pm -
1 stop28h 17m
Deal found 10/26![Frontier logo]()
$303
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/186:00 am -
1 stop9h 31m
Sat 11/217:00 am -
1 stop9h 54m
Deal found 10/27![Delta logo]()
$319
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:31 pm -
2 stops24h 14m
Mon 11/309:53 pm -
2 stops19h 19m
Deal found 10/26![Frontier logo]()
$331
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/187:00 am -
1 stop10h 46m
Sun 11/2212:54 pm -
1 stop8h 47m
Deal found 10/27![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/1812:31 pm -
2 stops24h 14m
Sun 11/229:53 pm -
1 stop28h 17m
Deal found 10/27![Frontier logo]()
$348
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/196:11 am -
1 stop7h 58m
Thu 11/267:00 am -
1 stop9h 01m
Deal found 10/26![United Airlines logo]()
$303
This Cheapflightsfares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:09 pm -
1 stop26h 28m
Sat 11/219:53 pm -
1 stop28h 17m
Deal found 10/27![Frontier logo]()
$321
This Super.com deal was found by Cheapflights users on 10/30. 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.
Fri 11/201:09 pm -
1 stop26h 28m
Sun 11/229:53 pm -
1 stop28h 17m
Deal found 10/30![Frontier logo]()
$329
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:09 pm -
1 stop26h 28m
Tue 11/249:53 pm -
1 stop28h 17m
Deal found 10/26![Frontier logo]()
$355
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:09 pm -
1 stop26h 28m
Tue 11/249:53 pm -
1 stop28h 17m
Deal found 10/30![Frontier logo]()
$316
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 October 31, 2026.
Search for one-way flight options from Dulles Intl to Washington. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 12/212:06 pm -
2 stops34h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 10/30. 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 11/267:00 am -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Delta logo]()
$180
This Orbitz deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/96:53 pm -
1 stop17h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sun 12/2010:59 pm -
2 stops21h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$208
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 1/95:55 pm -
Nonstop6h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/2210:47 pm -
2 stops19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:35 pm -
2 stops20h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Wed 11/252:10 pm -
2 stops28h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/249:35 pm -
2 stops50h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$214
This SmartFares deal was found by Cheapflights users on 10/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:05 am -
Nonstop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Alaska Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 11/248:20 am -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/255:29 pm -
1 stop8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$219
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 October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Delta) |
One-way from | $159 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $450 |
Good round-trip deal | $451 or less |
Good one-way deal | $271 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 7,457,451 searches. Data last updated October 31, 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 Washington, D.C. Dulles Intl - GEG Spokane
IADGEG
Washington, D.C. Dulles Intl
Thu 11/26
7:00 am-2:45 pm
1 stop10h 45m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$180
Washington, D.C.Spokane
IAD Washington, D.C. Dulles Intl - GEG Spokane
IADGEG
Washington, D.C. Dulles Intl
Tue 11/24
8:20 am-12:47 pm
1 stop7h 27m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
Washington, D.C.Seattle
IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl
IADSEA
Washington, D.C. Dulles Intl
Thu 12/10
7:00 am-10:05 am
Nonstop6h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
Washington, D.C.Seattle
IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl
IADSEA
Washington, D.C. Dulles Intl
Sun 12/6
7:00 am-10:10 am
Nonstop6h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
Washington, D.C.Seattle
IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl
IADSEA
Washington, D.C. Dulles Intl
Thu 1/7
5:55 pm-9:02 pm
Nonstop6h 07m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
Washington, D.C.Seattle
IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl
IADSEA
Washington, D.C. Dulles Intl
Mon 1/25
7:00 am-10:01 am
Nonstop6h 01m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
Washington, D.C.Pasco
IAD Washington, D.C. Dulles Intl - PSC Pasco Tri Cities
IADPSC
Washington, D.C. Dulles Intl
Wed 12/9
7:00 am-11:46 am
1 stop7h 46m
Pasco Tri Cities
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$238
Quickest round-trip
Washington, D.C.Seattle
IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl
IADSEA
Washington, D.C. Dulles Intl
Tue 12/29
7:05 am-10:00 am
Nonstop5h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
Washington, D.C.Seattle
IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl
IADSEA
Washington, D.C. Dulles Intl
Mon 1/11
7:05 am-2:50 pm
1 stop10h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$259
Washington, D.C.Seattle
IAD Washington, D.C. Dulles Intl - SEA Seattle/Tacoma Intl
IADSEA
Washington, D.C. Dulles Intl
Tue 12/1
5:55 pm-9:01 pm
Nonstop6h 06m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$269
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-SEA
IAD-GEG
IAD-PSC
IAD-ALW
IAD-BLI
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-SEA
IAD-GEG
IAD-PSC
IAD-ALW
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 $227). Flying from Washington, D.C. Dulles Intl Airport to State of Washington in June is currently the most expensive (average of $543). 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 October 31, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 25% on flights from Washington, D.C. Dulles Intl Airport to State of Washington by exploring options for tickets in the afternoon.
How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to State of Washington?
Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to State of Washington flights typically cost between $426 and $579 in December.The cheapest round-trip price found within the last 5 days was $297 on Delta (Dec 3-Dec 9).
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 54 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 October 31, 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 October 31, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Washington, such as Alaska Airlines,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
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Dulles Intl and Washington flights
Browse other Dulles Intl and Washington flight options. Last updated on October 31, 2026.
Popular flight searches
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Dulles Intl to Washington flights
Consider these flights traveling from Dulles Intl to Washington.
Top 5 airlines flying from Dulles Intl to Washington
Discover the top 5 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 7,457,451 searches. Data last updated October 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$409 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$356 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$201 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$470 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$337 | Average$564 | FlexibilityNo cancel fee | On-time71% |