$87+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Washington with Cheapflights
1. Tell us where you want to go
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 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 September 1, 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 September 1, 2026.
This deal was found by Cheapflights users on 8/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:07 pm -
Nonstop3h 01m
Sun 10/44:27 pm -
Nonstop2h 54m
Deal found 8/29![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:07 pm -
Nonstop3h 01m
Sat 10/34:27 pm -
Nonstop2h 54m
Deal found 9/1![Frontier logo]()
$143
This deal was found by Cheapflights users on 8/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:07 pm -
Nonstop3h 01m
Wed 9/304:27 pm -
Nonstop2h 54m
Deal found 8/27![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:07 pm -
Nonstop3h 05m
Mon 10/268:00 pm -
1 stop12h 45m
Deal found 8/31![Frontier logo]()
$148
This Super.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:07 pm -
Nonstop3h 01m
Tue 9/224:27 pm -
Nonstop2h 54m
Deal found 8/30![Frontier logo]()
$151
This deal was found by Cheapflights users on 8/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:07 pm -
Nonstop3h 01m
Sun 10/44:27 pm -
Nonstop2h 54m
Deal found 8/29![Frontier logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 8/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:07 pm -
Nonstop3h 01m
Tue 9/224:27 pm -
Nonstop2h 54m
Deal found 8/29![Frontier logo]()
$156
This Super.com deal was found by Cheapflights users on 8/30. 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.
Tue 9/221:07 pm -
Nonstop3h 01m
Mon 9/284:27 pm -
Nonstop2h 54m
Deal found 8/30![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 8/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:07 pm -
Nonstop3h 01m
Sat 9/264:27 pm -
Nonstop2h 54m
Deal found 8/30![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:07 pm -
Nonstop3h 05m
Mon 10/268:00 pm -
1 stop12h 45m
Deal found 8/31![Frontier logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:07 pm -
Nonstop3h 01m
Fri 10/24:27 pm -
Nonstop2h 54m
Deal found 8/31![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Sat 9/261:07 pm -
Nonstop3h 01m
Tue 9/298:15 pm -
1 stop12h 17m
Deal found 8/28![Frontier logo]()
$165
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 September 1, 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 September 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 12/512:49 pm -
Nonstop3h 01m
Sat 12/54:59 pm -
1 stop5h 52m
Deal found 8/27![Alaska Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 8/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:40 am -
Nonstop2h 35m
Fri 11/135:25 am -
Nonstop2h 20m
Deal found 8/27![Southwest logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 10/307:30 am -
1 stop17h 04m
Mon 11/26:00 am -
1 stop26h 48m
Deal found 8/27![Multiple Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 8/27. 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.
Sat 10/106:00 am -
1 stop7h 18m
Tue 10/133:30 pm -
1 stop7h 25m
Deal found 8/27![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/28. 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 12/17:12 pm -
Nonstop3h 09m
Tue 12/88:30 am -
Nonstop2h 41m
Deal found 8/28![United Airlines logo]()
$287
This KAYAK deal was found by Cheapflights users on 8/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:05 am -
1 stop6h 34m
Sat 10/175:10 am -
1 stop5h 21m
Deal found 8/28![American Airlines logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 10/66:59 pm -
1 stop24h 03m
Sat 10/107:20 am -
1 stop6h 12m
Deal found 8/27![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 8/27. 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.
Sat 12/56:00 am -
Nonstop3h 18m
Sat 12/57:59 pm -
Nonstop2h 49m
Deal found 8/27![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:10 am -
2 stops7h 50m
Tue 9/295:45 am -
2 stops8h 00m
Deal found 8/31![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:00 pm -
Nonstop3h 03m
Thu 1/73:16 pm -
Nonstop2h 40m
Deal found 9/1![Alaska Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 8/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:00 pm -
1 stop7h 45m
Wed 11/258:40 pm -
Nonstop2h 35m
Deal found 8/29![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/1611:34 am -
Nonstop2h 41m
Mon 10/195:00 am -
Nonstop2h 38m
Deal found 8/28![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 8/27. 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 11/246:00 am -
1 stop6h 48m
Fri 11/276:20 am -
1 stop4h 57m
Deal found 8/27![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 10/2712:00 pm -
Nonstop2h 59m
Fri 10/301:16 pm -
Nonstop2h 43m
Deal found 8/31![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 8/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:25 pm -
2 stops10h 05m
Tue 12/81:35 pm -
Nonstop2h 30m
Deal found 8/28![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/157:25 pm -
Nonstop2h 45m
Mon 10/196:55 pm -
Nonstop2h 34m
Deal found 8/28![United Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Mon 1/257:47 am -
Nonstop2h 54m
Mon 2/12:53 pm -
1 stop20h 54m
Deal found 8/27![Alaska Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:30 pm -
Nonstop2h 36m
Mon 9/285:00 am -
Nonstop2h 23m
Deal found 8/27![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:15 pm -
2 stops7h 10m
Tue 10/137:05 am -
1 stop5h 15m
Deal found 8/31![Southwest logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 10/37:53 am -
1 stop5h 09m
Wed 10/712:42 pm -
1 stop4h 43m
Deal found 8/27![Alaska Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 8/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:35 pm -
Nonstop2h 40m
Mon 10/57:35 pm -
Nonstop2h 25m
Deal found 8/29![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 9/238:08 am -
1 stop4h 33m
Sat 10/312:42 pm -
1 stop4h 43m
Deal found 8/28![Alaska Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:20 pm -
Nonstop2h 38m
Sun 11/15:10 am -
Nonstop2h 21m
Deal found 8/31![United Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 8/31. 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 10/277:53 am -
1 stop5h 09m
Sat 10/3112:42 pm -
1 stop4h 43m
Deal found 8/31![Alaska Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:20 pm -
Nonstop2h 38m
Mon 11/25:10 am -
Nonstop2h 21m
Deal found 8/27![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:00 pm -
1 stop4h 55m
Tue 10/66:00 am -
2 stops7h 00m
Deal found 8/31![Southwest logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 12/37:02 pm -
1 stop4h 58m
Tue 12/84:59 pm -
1 stop5h 52m
Deal found 8/27![Alaska Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:35 pm -
Nonstop2h 36m
Mon 11/164:10 pm -
Nonstop2h 30m
Deal found 8/31![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 8/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:05 am -
2 stops7h 20m
Sun 10/44:40 pm -
1 stop6h 40m
Deal found 8/28![Southwest logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Tue 10/66:59 pm -
1 stop19h 51m
Mon 10/121:49 pm -
1 stop9h 10m
Deal found 8/27![Alaska Airlines logo]()
$310
Last-minute flights from Denver to WashingtonDiscover last-minute flight deals from Denver to Washington. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Washington. Data last updated September 1, 2026 and is based on user searches.
This deal was found by Cheapflights users on 8/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:15 am -
Nonstop3h 04m
Sat 9/124:27 pm -
Nonstop2h 54m
Deal found 8/30![Frontier logo]()
$184
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Tue 9/812:47 pm -
1 stop21h 55m
Wed 9/234:27 pm -
Nonstop2h 54m
Deal found 8/27![Frontier logo]()
$237
This deal was found by Cheapflights users on 8/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:07 pm -
Nonstop3h 01m
Sun 9/134:27 pm -
Nonstop2h 54m
Deal found 8/27![Frontier logo]()
$213
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Thu 9/107:30 am -
1 stop27h 12m
Thu 9/174:27 pm -
Nonstop2h 54m
Deal found 8/27![Frontier logo]()
$222
This Super.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:10 pm -
1 stop6h 26m
Mon 10/124:27 pm -
Nonstop2h 50m
Deal found 8/30![Frontier logo]()
$243
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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 9/1110:50 pm -
1 stop11h 52m
Wed 9/164:27 pm -
Nonstop2h 54m
Deal found 8/27![Frontier logo]()
$217
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 am -
1 stop11h 58m
Fri 9/254:27 pm -
Nonstop2h 54m
Deal found 8/28![Frontier logo]()
$235
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:50 pm -
1 stop13h 46m
Thu 9/1712:38 pm -
Nonstop2h 40m
Deal found 8/28![Frontier logo]()
$250
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:00 am -
Nonstop2h 43m
Mon 9/2112:38 pm -
Nonstop2h 40m
Deal found 8/27![Frontier logo]()
$244
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:00 am -
Nonstop2h 43m
Mon 9/2812:38 pm -
Nonstop2h 40m
Deal found 8/28![Frontier logo]()
$246
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:00 am -
Nonstop2h 43m
Sun 9/2712:38 pm -
Nonstop2h 40m
Deal found 8/27![Frontier logo]()
$245
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:00 am -
Nonstop2h 43m
Thu 10/112:38 pm -
Nonstop2h 40m
Deal found 8/28![Frontier logo]()
$252
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 September 1, 2026.
Search for one-way flight options from Denver to Washington. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/1310:55 pm -
1 stop20h 50m
Deal found 8/28![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 8/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:07 pm -
Nonstop3h 05m
Deal found 8/27![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:37 pm -
Nonstop3h 09m
Deal found 8/31![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 11/49:10 am -
1 stop10h 44m
Deal found 8/27![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Thu 10/151:10 pm -
1 stop30h 35m
Deal found 8/28![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 8/30. 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.
Mon 9/281:07 pm -
Nonstop3h 01m
Deal found 8/30![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 8/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:07 pm -
Nonstop3h 01m
Deal found 8/28![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:07 pm -
Nonstop3h 05m
Deal found 8/28![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/291:07 pm -
Nonstop3h 01m
Deal found 8/28![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Wed 11/189:10 am -
1 stop10h 44m
Deal found 8/28![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:07 pm -
Nonstop3h 05m
Deal found 8/31![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:07 pm -
Nonstop3h 05m
Deal found 9/1![Frontier logo]()
$98
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $136 |
One-way from | $87 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $286 |
Good round-trip deal | $119 or less |
Good one-way deal | $114 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 7,457,451 searches. Data last updated September 1, 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
Cheapest round-trip
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sat 12/5
12:49 pm-2:50 pm
Nonstop3h 01m
Seattle/Tacoma Intl
Sat 12/5
4:59 pm-11:51 pm
1 stop5h 52m
$261
Quickest round-trip
DenverSpokane
DEN Denver Intl - GEG Spokane
DENGEG
Denver Intl
Thu 11/12
8:40 am-10:15 am
Nonstop2h 35m
Spokane
Fri 11/13
5:25 am-8:45 am
Nonstop2h 20m
$273
DenverBellingham
DEN Denver Intl - BLI Bellingham
DENBLI
Denver Intl
Fri 10/30
7:30 am-11:34 pm
1 stop17h 04m
Bellingham
Mon 11/2
6:00 am-9:48 am
1 stop26h 48m
$277
DenverSpokane
DEN Denver Intl - GEG Spokane
DENGEG
Denver Intl
Sat 10/10
6:00 am-12:18 pm
1 stop7h 18m
Spokane
Tue 10/13
3:30 pm-11:55 pm
1 stop7h 25m
$277
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Tue 10/6
6:59 pm-6:02 pm
1 stop24h 03m
Seattle/Tacoma Intl
Sat 10/10
7:20 am-2:32 pm
1 stop6h 12m
$285
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Tue 12/1
7:12 pm-9:21 pm
Nonstop3h 09m
Seattle/Tacoma Intl
Tue 12/8
8:30 am-12:11 pm
Nonstop2h 41m
$287
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sat 12/5
6:00 am-8:18 am
Nonstop3h 18m
Seattle/Tacoma Intl
Sat 12/5
7:59 pm-11:48 pm
Nonstop2h 49m
$287
DenverSpokane
DEN Denver Intl - GEG Spokane
DENGEG
Denver Intl
Sat 9/26
6:10 am-1:00 pm
2 stops7h 50m
Spokane
Tue 9/29
5:45 am-2:45 pm
2 stops8h 00m
$287
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Tue 12/15
5:00 pm-7:03 pm
Nonstop3h 03m
Seattle/Tacoma Intl
Thu 1/7
3:16 pm-6:56 pm
Nonstop2h 40m
$292
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Tue 10/27
12:00 pm-1:59 pm
Nonstop2h 59m
Seattle/Tacoma Intl
Fri 10/30
1:16 pm-4:59 pm
Nonstop2h 43m
$297
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-PSC
DEN-SEA
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-PSC
DEN-SEA
DEN-BLI
What is the cheapest month to book a flight from Denver to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Denver to State of Washington (average of $151). Flying from Denver to State of Washington in July is currently the most expensive (average of $340). 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 September 1, 2026.
It’s typically best to fly out from Denver to State of Washington in the morning. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.
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 September 1, 2026.
The most flights from DEN to USWA are scheduled on a Monday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Denver to State of Washington?
Airfare is below average for this route at the moment.
Denver to State of Washington flights typically cost between $180 and $352 in September.The cheapest round-trip price found within the last 5 days was $136 on Frontier (Sep 30-Oct 4).
How far ahead should I book a flight from Denver to State of Washington?
The price you pay for your flight from Denver to State of Washington may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 August 29, 2026.
Travelers seeking maximum savings on their Denver to State of Washington flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday afternoons 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 September 1, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta 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.
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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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Alternative routes for Denver to Washington
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Complete your trip
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Find flights from Denver to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Washington flights
Browse other Denver and Washington flight options. Last updated on September 1, 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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$85 | Average$268 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$368 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$357 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$132 | Average$416 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$133 | Average$347 | FlexibilityNo cancel fee | On-time85% |