$148+ Cheap flights from Washington to District of Columbia
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAD
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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Cheapest flights from Washington to District of ColumbiaExplore the most affordable flight options available from Washington to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
Explore the most affordable flight options available from Washington to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:13 pm
PSC
- IAD
1 stop9h 51m
Multiple Airlines
Fri 8/288:59 am
IAD
- PSC
1 stop11h 15m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
BLI
- IAD
1 stop22h 04m
Multiple Airlines
Fri 8/288:59 am
IAD
- BLI
1 stop14h 35m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:10 am
GEG
- DCA
2 stops11h 05m
Southwest
Wed 12/91:00 pm
DCA
- GEG
2 stops9h 50m
Southwest
Deal found 7/7![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:15 am
GEG
- DCA
2 stops9h 10m
Southwest
Wed 9/22:10 pm
DCA
- GEG
2 stops11h 15m
Southwest
Deal found 7/7![Southwest logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Thu 8/277:06 pm
SEA
- DCA
1 stop14h 45m
Multiple Airlines
Tue 9/15:00 pm
DCA
- SEA
Nonstop5h 51m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:06 pm
SEA
- DCA
1 stop14h 45m
Multiple Airlines
Tue 8/255:00 pm
DCA
- SEA
Nonstop5h 51m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/228:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Wed 8/129:50 am
IAD
- SEA
1 stop28h 14m
Frontier
Deal found 7/6![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Thu 7/308:53 pm
SEA
- IAD
1 stop8h 27m
Frontier
Fri 8/149:50 am
IAD
- SEA
1 stop28h 14m
Frontier
Deal found 7/3![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:53 pm
SEA
- IAD
1 stop8h 27m
Frontier
Fri 8/218:59 am
IAD
- SEA
1 stop28h 40m
Frontier
Deal found 7/2![Frontier logo]()
$292
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:05 pm
SEA
- DCA
1 stop6h 40m
Southwest
Sat 9/510:00 am
DCA
- SEA
2 stops11h 15m
Southwest
Deal found 7/6![Southwest logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sat 8/158:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Wed 8/198:59 am
IAD
- SEA
1 stop28h 40m
Frontier
Deal found 7/3![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/218:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Wed 8/129:50 am
IAD
- SEA
1 stop28h 14m
Frontier
Deal found 7/6![Frontier logo]()
$294
Best flights from Washington to District of ColumbiaDiscover carefully curated flight deals from Washington to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
Discover carefully curated flight deals from Washington to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:56 pm
SEA
- IAD
Nonstop5h 03m
Alaska Airlines
Tue 9/85:57 pm
IAD
- SEA
Nonstop5h 47m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/3. 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.
Fri 8/287:20 am
SEA
- DCA
Nonstop5h 01m
Delta
Mon 8/314:35 pm
DCA
- SEA
Nonstop6h 06m
Delta
Deal found 7/3![Delta logo]()
$305
This JetBlue deal was found by Cheapflights users on 7/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:55 pm
SEA
- DCA
1 stop8h 25m
JetBlue
Sun 10/182:25 pm
DCA
- SEA
1 stop11h 13m
JetBlue
Deal found 7/4![JetBlue logo]()
$328
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:15 am
SEA
- DCA
1 stop6h 55m
Southwest
Mon 11/168:25 am
DCA
- SEA
2 stops12h 20m
Southwest
Deal found 7/6![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/310:55 am
SEA
- IAD
1 stop11h 02m
United Airlines
Mon 9/71:20 pm
IAD
- SEA
Nonstop5h 46m
United Airlines
Deal found 7/2![United Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:29 pm
PDX
- IAD
1 stop10h 31m
American Airlines
Sun 8/95:08 am
IAD
- PDX
2 stops11h 44m
American Airlines
Deal found 7/2![American Airlines logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:35 pm
SEA
- IAD
Nonstop5h 05m
Alaska Airlines
Tue 9/85:57 pm
IAD
- SEA
Nonstop5h 47m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/47:20 am
SEA
- DCA
Nonstop5h 01m
Delta
Sat 9/124:45 pm
DCA
- SEA
Nonstop5h 40m
Delta
Deal found 7/6![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 7/3. 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.
Fri 8/287:20 am
SEA
- DCA
Nonstop5h 01m
Delta
Sun 8/304:35 pm
DCA
- SEA
Nonstop6h 06m
Delta
Deal found 7/3![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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.
Thu 9/178:49 pm
SEA
- IAD
1 stop18h 25m
Alaska Airlines
Mon 9/217:00 am
IAD
- SEA
Nonstop5h 37m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 am
SEA
- DCA
2 stops9h 50m
Southwest
Fri 8/216:40 pm
DCA
- SEA
1 stop8h 15m
Southwest
Deal found 7/4![Southwest logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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.
Thu 8/277:50 pm
SEA
- IAD
1 stop19h 24m
Alaska Airlines
Mon 8/317:00 am
IAD
- SEA
Nonstop5h 37m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/251:23 pm
GEG
- IAD
1 stop7h 16m
Delta
Wed 9/26:00 pm
IAD
- GEG
1 stop8h 09m
Delta
Deal found 7/7![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:00 am
SEA
- IAD
1 stop9h 50m
United Airlines
Mon 9/215:15 pm
IAD
- SEA
1 stop8h 30m
United Airlines
Deal found 7/5![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:55 am
GEG
- DCA
2 stops10h 00m
Southwest
Thu 9/244:35 pm
DCA
- GEG
1 stop9h 40m
Southwest
Deal found 7/6![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 10/79:23 am
GEG
- IAD
1 stop10h 16m
Delta
Tue 10/137:09 am
IAD
- GEG
1 stop10h 41m
Delta
Deal found 7/3![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:51 pm
SEA
- DCA
1 stop18h 09m
Alaska Airlines
Mon 8/315:00 pm
DCA
- SEA
Nonstop5h 51m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 7/3010:48 pm
GEG
- IAD
1 stop7h 38m
Delta
Tue 8/116:00 am
IAD
- GEG
1 stop9h 57m
Delta
Deal found 7/2![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 8/118:25 am
PDX
- IAD
Nonstop5h 01m
United Airlines
Tue 8/255:33 pm
IAD
- PDX
Nonstop5h 37m
United Airlines
Deal found 7/2![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:05 am
GEG
- DCA
2 stops13h 50m
Southwest
Sat 10/247:30 am
DCA
- GEG
2 stops15h 50m
Southwest
Deal found 7/5![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/282:05 pm
GEG
- DCA
1 stop6h 45m
Delta
Wed 9/24:35 pm
DCA
- GEG
1 stop10h 24m
Delta
Deal found 7/6![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/126:21 am
SEA
- IAD
1 stop9h 24m
Alaska Airlines
Sun 8/166:14 pm
IAD
- SEA
Nonstop5h 55m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/2011:04 pm
SEA
- IAD
Nonstop5h 03m
United Airlines
Sat 8/296:00 pm
IAD
- SEA
Nonstop5h 45m
United Airlines
Deal found 7/2![United Airlines logo]()
$450
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:20 am
SEA
- DCA
2 stops10h 05m
Southwest
Tue 8/186:40 pm
DCA
- SEA
1 stop7h 55m
Southwest
Deal found 7/6![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 7/4. 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 11/102:05 pm
GEG
- IAD
1 stop6h 28m
Delta
Mon 11/167:05 am
IAD
- GEG
1 stop10h 40m
Delta
Deal found 7/4![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 7/4. 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.
Tue 8/257:03 am
GEG
- DCA
1 stop10h 57m
Alaska Airlines
Wed 8/265:20 pm
DCA
- GEG
1 stop8h 51m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Mon 9/1411:02 pm
PDX
- IAD
1 stop7h 26m
United Airlines
Tue 9/225:33 pm
IAD
- PDX
Nonstop5h 37m
United Airlines
Deal found 7/4![United Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:15 pm
PDX
- DCA
2 stops15h 40m
Southwest
Mon 10/262:25 pm
DCA
- PDX
2 stops10h 55m
Southwest
Deal found 7/7![Southwest logo]()
$441
This Delta deal was found by Cheapflights users on 7/4. 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.
Mon 8/246:45 am
GEG
- IAD
1 stop8h 24m
Delta
Fri 8/283:03 pm
IAD
- GEG
1 stop9h 27m
Delta
Deal found 7/4![Delta logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:27 pm
PDX
- IAD
1 stop7h 17m
United Airlines
Mon 9/215:33 pm
IAD
- PDX
Nonstop5h 37m
United Airlines
Deal found 7/3![United Airlines logo]()
$457
Last-minute flights from Washington to District of ColumbiaDiscover last-minute flight deals from Washington to District of Columbia. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to District of Columbia. Data last updated July 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/218:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Wed 8/129:50 am
IAD
- SEA
1 stop28h 14m
Frontier
Deal found 7/6![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/228:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Wed 8/129:50 am
IAD
- SEA
1 stop28h 14m
Frontier
Deal found 7/6![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Thu 7/308:53 pm
SEA
- IAD
1 stop8h 27m
Frontier
Fri 8/149:50 am
IAD
- SEA
1 stop28h 14m
Frontier
Deal found 7/3![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:53 pm
SEA
- IAD
1 stop8h 27m
Frontier
Fri 8/218:59 am
IAD
- SEA
1 stop28h 40m
Frontier
Deal found 7/2![Frontier logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sat 8/158:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Wed 8/198:59 am
IAD
- SEA
1 stop28h 40m
Frontier
Deal found 7/3![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:06 pm
SEA
- DCA
1 stop14h 45m
Multiple Airlines
Tue 8/255:00 pm
DCA
- SEA
Nonstop5h 51m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:13 pm
PSC
- IAD
1 stop9h 51m
Multiple Airlines
Fri 8/288:59 am
IAD
- PSC
1 stop11h 15m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
BLI
- IAD
1 stop22h 04m
Multiple Airlines
Fri 8/288:59 am
IAD
- BLI
1 stop14h 35m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:15 am
GEG
- DCA
2 stops9h 10m
Southwest
Wed 9/22:10 pm
DCA
- GEG
2 stops11h 15m
Southwest
Deal found 7/7![Southwest logo]()
$269
This CheapOair deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/269:35 pm
SEA
- IAD
Nonstop5h 05m
Alaska Airlines
Sun 9/65:47 pm
IAD
- SEA
Nonstop5h 47m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Thu 8/277:06 pm
SEA
- DCA
1 stop14h 45m
Multiple Airlines
Tue 9/15:00 pm
DCA
- SEA
Nonstop5h 51m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:05 pm
SEA
- DCA
1 stop6h 40m
Southwest
Sat 9/510:00 am
DCA
- SEA
2 stops11h 15m
Southwest
Deal found 7/6![Southwest logo]()
$293
One-way flights from Washington to District of ColumbiaSearch for one-way flight options from Washington to District of Columbia. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
Search for one-way flight options from Washington to District of Columbia. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:37 pm
GEG
- IAD
1 stop6h 42m
United Airlines
Deal found 7/3![United Airlines logo]()
$148
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:00 am
GEG
- DCA
1 stop7h 06m
United Airlines
Deal found 7/3![United Airlines logo]()
$148
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:10 am
GEG
- IAD
1 stop8h 46m
Delta
Deal found 7/5![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 7/4. 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 8/45:15 am
GEG
- DCA
1 stop7h 06m
Delta
Deal found 7/4![Delta logo]()
$154
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/311:11 pm
SEA
- DCA
1 stop8h 50m
United Airlines
Deal found 7/7![United Airlines logo]()
$158
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:10 pm
SEA
- IAD
1 stop8h 15m
United Airlines
Deal found 7/5![United Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 8/411:54 am
SEA
- IAD
2 stops17h 26m
Frontier
Deal found 7/3![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 7/2810:34 am
SEA
- IAD
2 stops42h 46m
Frontier
Deal found 7/3![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:19 pm
SEA
- IAD
2 stops17h 01m
Frontier
Deal found 7/2![Frontier logo]()
$161
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/1710:45 pm
GEG
- IAD
1 stop7h 25m
Delta
Deal found 7/6![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/32:05 pm
GEG
- DCA
1 stop6h 45m
Delta
Deal found 7/6![Delta logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 9/18:53 pm
SEA
- IAD
2 stops30h 07m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$165
Find flight deals from Washington to District of Columbia
Keep the following information in mind while searching for Washington to District of Columbia flight deals. Data was last updated July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Kiwi.com) |
One-way from | $148 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $419 |
Good round-trip deal | $370 or less |
Good one-way deal | $232 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to District of Columbia 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 July 7, 2026.
Use the filters below to find and compare flights from Washington to District of Columbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 9/3
3:56 pm-11:59 pm
Nonstop5h 03m
Washington, D.C. Dulles Intl
Tue 9/8
5:57 pm-8:44 pm
Nonstop5h 47m
$295
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Fri 9/4
9:35 pm-5:40 am
Nonstop5h 05m
Washington, D.C. Dulles Intl
Tue 9/8
5:57 pm-8:44 pm
Nonstop5h 47m
$295
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Fri 8/28
7:20 am-3:21 pm
Nonstop5h 01m
Washington, D.C. Reagan-National
Mon 8/31
4:35 pm-7:41 pm
Nonstop6h 06m
$305
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Fri 9/4
7:20 am-3:21 pm
Nonstop5h 01m
Washington, D.C. Reagan-National
Sat 9/12
4:45 pm-7:25 pm
Nonstop5h 40m
$305
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Fri 8/28
7:20 am-3:21 pm
Nonstop5h 01m
Washington, D.C. Reagan-National
Sun 8/30
4:35 pm-7:41 pm
Nonstop6h 06m
$305
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 9/17
8:49 pm-6:14 pm
1 stop18h 25m
Washington, D.C. Dulles Intl
Mon 9/21
7:00 am-9:37 am
Nonstop5h 37m
$305
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 8/27
7:50 pm-6:14 pm
1 stop19h 24m
Washington, D.C. Dulles Intl
Mon 8/31
7:00 am-9:37 am
Nonstop5h 37m
$305
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Tue 8/25
1:23 pm-11:39 pm
1 stop7h 16m
Washington, D.C. Dulles Intl
Wed 9/2
6:00 pm-11:09 pm
1 stop8h 09m
$307
SpokaneWashington, D.C.
GEG - IAD
GEGIAD
Spokane
Wed 10/7
9:23 am-10:39 pm
1 stop10h 16m
Washington, D.C. Dulles Intl
Tue 10/13
7:09 am-2:50 pm
1 stop10h 41m
$307
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Thu 8/27
6:51 pm-4:00 pm
1 stop18h 09m
Washington, D.C. Reagan-National
Mon 8/31
5:00 pm-7:51 pm
Nonstop5h 51m
$316
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Washington with our price prediction graph.
GEG-IAD
GEG-DCA
SEA-DCA
SEA-IAD
PSC-IAD
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 to District of Columbia
USWA-USDC
GEG-IAD
GEG-DCA
SEA-DCA
SEA-IAD
What is the cheapest month to book a flight from State of Washington to District of Columbia?
Currently, January is the cheapest month in which you can book a flight from State of Washington to District of Columbia (average of $91). Flying from State of Washington to District of Columbia in June is currently the most expensive (average of $1,036). 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 WA to DC?
Find hourly flight availability from Washington to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 7, 2026.
When flying from State of Washington to District of Columbia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 29% versus a flight at noon.
Weekly flight availability from State of Washington to District of Columbia
Explore weekly flight availability from Washington to District of Columbia. 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 July 7, 2026.
The most flights from USWA to USDC are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).
How much does it cost to fly round-trip from State of Washington to District of Columbia?
How far ahead should I book a flight from State of Washington to District of Columbia?
To ensure you get the cheapest price possible for a flight from State of Washington to District of Columbia, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from State of Washington to District of Columbia?
Use this chart to determine the cheapest time to fly round-trip from Washington to District of Columbia. Price data was last updated on July 4, 2026.
Travelers seeking maximum savings on their State of Washington to District of Columbia flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing District of Columbia
Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated July 7, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Washington to District of Columbia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Washington to District of Columbia. 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 Washington to District of Columbia
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Complete your trip
Complete your trip to District of Columbia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington to District of Columbia by cabin class
Find flights from Washington to District of Columbia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and District of Columbia flights
Browse other Washington and District of Columbia flight options. Last updated on July 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from District of Columbia
Find the right flight back to Washington after your stay in District of Columbia
Washington to District of Columbia flights
Consider these flights traveling from Washington to District of Columbia.
Top 7 airlines flying from Washington to District of Columbia
Discover the top 7 airlines that operate flights from Washington to District of Columbia. 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$300 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$305 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$187 | Average$456 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$199 | Average$528 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$220 | Average$501 | FlexibilityNo cancel fee | On-time69% |