$43+ Cheap flights from Denver (DEN) to Washington
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Mar 28 — Apr 41
1 adult, Economy
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Cheapest flights from Denver to WashingtonExplore the most affordable flight options available from Denver to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 26, 2026.
Explore the most affordable flight options available from Denver to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 26, 2026.
This Super.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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.
Mon 4/207:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Wed 4/227:12 pm
SEA
- DEN
Nonstop2h 47m
Frontier
Deal found 2/25![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Tue 5/196:57 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 2/25![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Tue 5/56:57 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 2/23![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/49:25 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Wed 4/88:11 pm
SEA
- DEN
Nonstop2h 45m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$81
This Expedia deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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.
Fri 4/247:40 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Sun 4/268:05 pm
SEA
- DEN
Nonstop2h 54m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/147:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Tue 4/2110:57 am
SEA
- DEN
1 stop7h 52m
Frontier
Deal found 2/24![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Thu 5/74:20 pm
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 2/23![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:25 pm
DEN
- SEA
Nonstop3h 04m
Multiple Airlines
Mon 5/47:12 pm
SEA
- DEN
Nonstop2h 47m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/39:25 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Wed 4/88:11 pm
SEA
- DEN
Nonstop2h 45m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$87
This Orbitz deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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.
Fri 4/246:00 am
DEN
- SEA
Nonstop3h 03m
Multiple Airlines
Mon 4/277:12 pm
SEA
- DEN
Nonstop2h 47m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$88
This Frontier deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Sat 5/27:12 pm
SEA
- DEN
Nonstop2h 47m
Frontier
Deal found 2/23![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/247:40 am
DEN
- SEA
Nonstop3h 12m
Frontier
Sun 5/310:25 pm
SEA
- DEN
1 stop28h 34m
Frontier
Deal found 2/24![Frontier logo]()
$90
Best flights from Denver to WashingtonDiscover carefully curated flight deals from Denver to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 26, 2026.
Discover carefully curated flight deals from Denver to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 26, 2026.
This Delta deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 3/286:30 am
DEN
- SEA
Nonstop3h 08m
Delta
Sat 4/47:46 pm
SEA
- DEN
Nonstop2h 46m
Delta
Deal found 2/22![Delta logo]()
$117
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/278:54 pm
DEN
- SEA
Nonstop3h 05m
United Airlines
Wed 4/13:48 pm
SEA
- DEN
Nonstop2h 51m
United Airlines
Deal found 2/23![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/114:35 pm
DEN
- SEA
1 stop7h 35m
Southwest
Thu 3/126:30 am
SEA
- DEN
2 stops7h 45m
Southwest
Deal found 2/23![Southwest logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 5/710:29 pm
DEN
- BLI
1 stop26h 06m
Multiple Airlines
Mon 5/118:00 am
BLI
- DEN
2 stops12h 38m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$201
This Alaska Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 5/76:00 am
DEN
- BLI
2 stops10h 21m
Alaska Airlines
Sun 5/108:30 am
BLI
- DEN
1 stop25h 20m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/96:30 am
DEN
- SEA
Nonstop3h 08m
Delta
Sun 4/127:46 pm
SEA
- DEN
Nonstop2h 46m
Delta
Deal found 2/25![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:00 am
DEN
- PDX
Nonstop2h 48m
United Airlines
Sun 4/125:00 am
PDX
- DEN
Nonstop2h 38m
United Airlines
Deal found 2/23![United Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:15 pm
DEN
- SEA
1 stop6h 48m
Delta
Wed 4/18:30 am
SEA
- DEN
Nonstop2h 56m
Delta
Deal found 2/24![Delta logo]()
$147
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/237:45 pm
DEN
- GEG
1 stop5h 35m
Delta
Sun 4/269:30 am
GEG
- DEN
1 stop7h 40m
Delta
Deal found 2/25![Delta logo]()
$165
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 5/138:58 pm
DEN
- SEA
Nonstop3h 01m
United Airlines
Thu 5/215:00 am
SEA
- DEN
Nonstop2h 43m
United Airlines
Deal found 2/23![United Airlines logo]()
$196
This Southwest deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 3/128:35 am
DEN
- SEA
1 stop6h 25m
Southwest
Tue 3/177:30 am
SEA
- DEN
2 stops8h 40m
Southwest
Deal found 2/22![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:30 am
DEN
- SEA
Nonstop3h 08m
Delta
Tue 3/317:46 pm
SEA
- DEN
Nonstop2h 46m
Delta
Deal found 2/25![Delta logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 5/86:26 am
DEN
- BLI
2 stops18h 09m
Multiple Airlines
Sun 5/103:00 pm
BLI
- DEN
1 stop11h 59m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$227
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:20 pm
DEN
- PDX
Nonstop2h 50m
Southwest
Sun 4/126:05 am
PDX
- DEN
Nonstop2h 30m
Southwest
Deal found 2/23![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2112:15 pm
DEN
- SEA
1 stop11h 25m
Southwest
Sat 3/286:00 am
SEA
- DEN
Nonstop2h 40m
Southwest
Deal found 2/23![Southwest logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/306:00 am
DEN
- ALW
1 stop18h 48m
Alaska Airlines
Fri 5/12:48 pm
ALW
- DEN
1 stop8h 11m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:14 pm
DEN
- EAT
2 stops10h 37m
American Airlines
Sun 3/295:15 am
EAT
- DEN
2 stops8h 58m
American Airlines
Deal found 2/22![American Airlines logo]()
$573
This Delta deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 4/96:15 pm
DEN
- SEA
1 stop6h 48m
Delta
Thu 4/165:35 am
SEA
- DEN
1 stop4h 57m
Delta
Deal found 2/22![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 4/306:00 am
DEN
- PUW
1 stop13h 51m
Alaska Airlines
Sat 5/27:28 pm
PUW
- DEN
1 stop27h 31m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 5/131:08 pm
DEN
- GEG
1 stop6h 35m
Delta
Wed 5/204:15 pm
GEG
- DEN
1 stop6h 37m
Delta
Deal found 2/22![Delta logo]()
$203
This Southwest deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:45 am
DEN
- PDX
1 stop6h 50m
Southwest
Tue 4/77:40 am
PDX
- DEN
2 stops8h 30m
Southwest
Deal found 2/22![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:10 pm
DEN
- PSC
Nonstop2h 40m
United Airlines
Wed 3/115:05 am
PSC
- DEN
Nonstop2h 30m
United Airlines
Deal found 2/24![United Airlines logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 4/307:25 pm
DEN
- ALW
1 stop5h 23m
Alaska Airlines
Sat 5/25:00 am
ALW
- DEN
1 stop4h 54m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 5/228:52 am
DEN
- BLI
2 stops15h 17m
Multiple Airlines
Mon 5/252:57 pm
BLI
- DEN
1 stop17h 20m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 5/126:19 pm
DEN
- GEG
2 stops6h 40m
Delta
Thu 5/144:15 pm
GEG
- DEN
1 stop6h 37m
Delta
Deal found 2/24![Delta logo]()
$210
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 5/58:55 am
DEN
- GEG
Nonstop2h 20m
Southwest
Tue 5/125:10 am
GEG
- DEN
1 stop6h 55m
Southwest
Deal found 2/25![Southwest logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” 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 3/711:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Sun 3/87:05 am
PDX
- DEN
Nonstop2h 37m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/1011:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Thu 3/127:05 am
PDX
- DEN
Nonstop2h 37m
Alaska Airlines
Deal found 2/24![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:15 am
DEN
- GEG
Nonstop2h 26m
United Airlines
Tue 3/314:01 pm
GEG
- DEN
Nonstop2h 34m
United Airlines
Deal found 2/24![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 5/135:05 pm
DEN
- PDX
1 stop7h 05m
Southwest
Sun 5/175:50 am
PDX
- DEN
2 stops6h 50m
Southwest
Deal found 2/23![Southwest logo]()
$285
Last-minute flights from Denver to WashingtonDiscover last-minute flight deals from Denver to Washington. Data last updated February 26, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Washington. Data last updated February 26, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 3/69:10 am
DEN
- SEA
Nonstop3h 09m
Frontier
Sun 3/812:24 pm
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 2/22![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 3/89:10 am
DEN
- SEA
Nonstop3h 09m
Frontier
Thu 3/1212:24 pm
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 2/22![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 3/107:00 am
DEN
- SEA
Nonstop3h 10m
Multiple Airlines
Mon 3/1612:24 pm
SEA
- DEN
Nonstop2h 51m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 3/117:00 am
DEN
- SEA
Nonstop3h 10m
Multiple Airlines
Fri 3/1312:24 pm
SEA
- DEN
Nonstop2h 51m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$108
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:30 am
DEN
- SEA
Nonstop3h 08m
Delta
Tue 3/245:30 am
SEA
- DEN
1 stop5h 03m
Delta
Deal found 2/24![Delta logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 3/199:10 am
DEN
- SEA
Nonstop3h 09m
Frontier
Fri 3/206:54 pm
SEA
- DEN
1 stop13h 31m
Frontier
Deal found 2/22![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 3/199:10 am
DEN
- SEA
Nonstop3h 09m
Frontier
Tue 3/246:24 pm
SEA
- DEN
1 stop14h 20m
Frontier
Deal found 2/25![Frontier logo]()
$103
This Southwest deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/198:50 pm
DEN
- SEA
Nonstop3h 00m
Southwest
Wed 3/252:35 pm
SEA
- DEN
2 stops9h 10m
Southwest
Deal found 2/23![Southwest logo]()
$112
This Frontier deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:10 am
DEN
- SEA
Nonstop3h 09m
Frontier
Mon 4/612:42 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 2/25![Frontier logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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.
Thu 3/269:10 am
DEN
- SEA
Nonstop3h 09m
Frontier
Mon 3/3012:24 pm
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 2/24![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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 3/309:10 am
DEN
- SEA
Nonstop3h 09m
Frontier
Mon 4/2710:11 pm
SEA
- DEN
1 stop28h 48m
Frontier
Deal found 2/23![Frontier logo]()
$90
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:30 am
DEN
- SEA
Nonstop3h 08m
Delta
Tue 4/77:46 pm
SEA
- DEN
Nonstop2h 46m
Delta
Deal found 2/23![Delta logo]()
$97
One-way flights from Denver to WashingtonSearch for one-way flight options from Denver to Washington. Find affordable one-way fares based on user searches. Data last updated February 26, 2026.
Search for one-way flight options from Denver to Washington. Find affordable one-way fares based on user searches. Data last updated February 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 3/269:10 am
DEN
- GEG
Nonstop2h 37m
Frontier
Deal found 2/24![Frontier logo]()
$43
This Frontier deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:10 am
DEN
- GEG
Nonstop2h 37m
Frontier
Deal found 2/23![Frontier logo]()
$44
This Trip.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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.
Thu 4/29:00 am
DEN
- GEG
Nonstop2h 21m
Frontier
Deal found 2/24![Frontier logo]()
$46
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:45 am
DEN
- SEA
Nonstop3h 04m
United Airlines
Deal found 2/23![United Airlines logo]()
$49
This Trip.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” 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.
Wed 5/2011:10 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 2/23![Frontier logo]()
$53
This Kiwi.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/169:28 am
DEN
- GEG
Nonstop2h 21m
Frontier
Deal found 2/24![Frontier logo]()
$53
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 5/15:59 pm
DEN
- SEA
1 stop6h 30m
United Airlines
Deal found 2/24![United Airlines logo]()
$54
This Frontier deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:28 am
DEN
- GEG
Nonstop2h 21m
Frontier
Deal found 2/23![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” 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 5/129:30 pm
DEN
- SEA
1 stop21h 12m
Frontier
Deal found 2/22![Frontier logo]()
$58
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” 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 4/98:00 am
DEN
- PDX
Nonstop2h 48m
United Airlines
Deal found 2/24![United Airlines logo]()
$58
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:30 am
DEN
- SEA
1 stop4h 45m
Delta
Deal found 2/24![Delta logo]()
$59
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:00 am
DEN
- PDX
Nonstop2h 54m
United Airlines
Deal found 2/24![United Airlines logo]()
$59
Find flight deals from Denver to Washington
Keep the following information in mind while searching for Denver to Washington flight deals. Data was last updated February 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $78 (Super.com) |
One-way from | $43 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $196 |
Good round-trip deal | $119 or less |
Good one-way deal | $84 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 26, 2026.
Use the filters below to find and compare flights from Denver to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Sat 3/28
6:30 am-8:38 am
Nonstop3h 08m
Seattle/Tacoma Intl
Sat 4/4
7:46 pm-11:32 pm
Nonstop2h 46m
$117
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Fri 3/27
8:54 pm-10:59 pm
Nonstop3h 05m
Seattle/Tacoma Intl
Wed 4/1
3:48 pm-7:39 pm
Nonstop2h 51m
$117
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Thu 4/9
6:30 am-8:38 am
Nonstop3h 08m
Seattle/Tacoma Intl
Sun 4/12
7:46 pm-11:32 pm
Nonstop2h 46m
$137
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 4/8
8:00 am-9:48 am
Nonstop2h 48m
Portland
Sun 4/12
5:00 am-8:38 am
Nonstop2h 38m
$137
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Wed 3/25
6:15 pm-12:03 am
1 stop6h 48m
Seattle/Tacoma Intl
Wed 4/1
8:30 am-12:26 pm
Nonstop2h 56m
$147
DenverSpokane
DEN - GEG
DENGEG
Denver Intl
Thu 4/23
7:45 pm-12:20 am
1 stop5h 35m
Spokane
Sun 4/26
9:30 am-6:10 pm
1 stop7h 40m
$165
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Mon 3/30
6:30 am-8:38 am
Nonstop3h 08m
Seattle/Tacoma Intl
Tue 3/31
7:46 pm-11:32 pm
Nonstop2h 46m
$167
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Wed 3/11
4:35 pm-11:10 pm
1 stop7h 35m
Seattle/Tacoma Intl
Thu 3/12
6:30 am-3:15 pm
2 stops7h 45m
$192
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Wed 5/13
8:58 pm-10:59 pm
Nonstop3h 01m
Seattle/Tacoma Intl
Thu 5/21
5:00 am-8:43 am
Nonstop2h 43m
$196
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Thu 4/9
6:15 pm-12:03 am
1 stop6h 48m
Seattle/Tacoma Intl
Thu 4/16
5:35 am-11:32 am
1 stop4h 57m
$197
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Denver to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Denver with our price prediction graph.
DEN-GEG
DEN-SEA
DEN-PDX
DEN-BLI
DEN-ALW
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 Denver to Washington
DEN-USWA
DEN-GEG
DEN-SEA
DEN-PDX
DEN-BLI
What is the cheapest month to book a flight from Denver to State of Washington?
Currently, September is the cheapest month in which you can book a flight from Denver to State of Washington (average of $49). Flying from Denver to State of Washington in July is currently the most expensive (average of $98). 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 DEN to WA?
Find hourly flight availability from Denver 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 February 26, 2026.
It’s typically best to fly out from Denver to State of Washington in the morning. Doing so could potentially save you 37% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Denver to State of Washington?
Use this chart to determine the cheapest time to fly round-trip from Denver to Washington. Price data was last updated on February 21, 2026.
Travelers seeking maximum savings on their Denver to State of Washington flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Denver to State of Washington
Explore weekly flight availability from Denver 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 February 26, 2026.
The most flights from DEN to USWA are scheduled on a Monday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated February 26, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Denver to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from Denver 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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Complete your trip
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Denver and Washington flights
Browse other Denver and Washington flight options. Last updated on February 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Denver to Washington flights
Consider these flights traveling from Denver to Washington.
Top 6 airlines flying from Denver to Washington
Discover the top 6 airlines that operate flights from Denver to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$95 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$322 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$309 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$339 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$130 | Average$415 | FlexibilityNo cancel fee | On-time75% |