$79+ Cheap flights from Washington to Denver (DEN)
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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DEN
Sep 29 — Oct 61
Round-trip
1 adult, Economy
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Find cheap flights from Washington to Denver 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 Washington to DenverExplore the most affordable flight options available from Washington to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 30, 2026.
Explore the most affordable flight options available from Washington to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 30, 2026.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:27 pm -
Nonstop2h 54m
Tue 10/61:07 pm -
Nonstop3h 01m
Deal found 8/29![Frontier logo]()
$138
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:27 pm -
Nonstop2h 54m
Sat 9/261:07 pm -
Nonstop3h 01m
Deal found 8/30![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 8/25. 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.
Tue 9/224:27 pm -
Nonstop2h 54m
Wed 9/231:07 pm -
Nonstop3h 01m
Deal found 8/25![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 8/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:27 pm -
Nonstop2h 54m
Tue 9/291:07 pm -
Nonstop3h 01m
Deal found 8/25![Frontier logo]()
$143
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:27 pm -
Nonstop2h 50m
Fri 10/161:07 pm -
Nonstop3h 05m
Deal found 8/28![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:15 pm -
1 stop12h 17m
Sat 9/261:07 pm -
Nonstop3h 01m
Deal found 8/26![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/228:15 pm -
1 stop12h 17m
Wed 9/301:07 pm -
Nonstop3h 01m
Deal found 8/25![Frontier logo]()
$155
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 9/224:27 pm -
Nonstop2h 54m
Thu 10/11:07 pm -
Nonstop3h 01m
Deal found 8/27![Frontier logo]()
$156
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:35 pm -
Nonstop2h 32m
Sun 12/61:40 pm -
Nonstop3h 00m
Deal found 8/27![Frontier logo]()
$208
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.
Thu 10/2211:49 am -
Nonstop2h 38m
Sun 10/259:00 am -
Nonstop2h 54m
Deal found 8/27![Frontier logo]()
$224
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 10/1311:49 am -
Nonstop2h 38m
Tue 10/209:00 am -
Nonstop2h 54m
Deal found 8/30![Frontier logo]()
$225
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:49 am -
Nonstop2h 38m
Sun 10/189:00 am -
Nonstop2h 54m
Deal found 8/29![Frontier logo]()
$228
Best flights from Washington to DenverDiscover carefully curated flight deals from Washington to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
Discover carefully curated flight deals from Washington to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 30, 2026.
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:54 pm -
Nonstop2h 43m
Sat 10/3112:00 pm -
Nonstop2h 59m
Deal found 8/29![Alaska Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 8/25. 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.
Wed 12/308:30 am -
1 stop6h 45m
Tue 1/512:35 pm -
2 stops7h 05m
Deal found 8/25![Southwest logo]()
$288
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:52 pm -
Nonstop2h 45m
Wed 11/186:00 am -
Nonstop3h 12m
Deal found 8/29![Delta logo]()
$292
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 12/95:15 am -
Nonstop2h 22m
Tue 12/157:35 pm -
Nonstop2h 39m
Deal found 8/27![United Airlines logo]()
$299
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:52 pm -
1 stop18h 05m
Mon 11/91:55 pm -
1 stop6h 02m
Deal found 8/29![Alaska Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 8/25. 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.
Wed 9/3012:40 pm -
2 stops7h 45m
Sat 10/34:15 pm -
2 stops7h 05m
Deal found 8/25![Southwest logo]()
$297
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:00 pm -
Nonstop2h 55m
Wed 11/116:35 pm -
Nonstop3h 07m
Deal found 8/29![Delta logo]()
$313
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.
Wed 12/303:24 pm -
1 stop6h 11m
Fri 1/17:18 pm -
Nonstop3h 07m
Deal found 8/28![United Airlines logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:13 am -
1 stop11h 00m
Sun 10/49:45 am -
1 stop24h 46m
Deal found 8/25![Alaska Airlines logo]()
$293
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.
Fri 10/1610:35 am -
2 stops11h 40m
Mon 10/195:30 pm -
1 stop7h 15m
Deal found 8/27![Southwest logo]()
$304
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/257:40 pm -
Nonstop2h 48m
Sun 2/286:30 pm -
Nonstop3h 11m
Deal found 8/28![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:00 am -
Nonstop2h 23m
Thu 10/111:15 am -
Nonstop2h 21m
Deal found 8/25![United Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:42 pm -
1 stop4h 43m
Tue 10/207:53 am -
1 stop5h 09m
Deal found 8/26![Alaska Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 8/25. 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 9/1511:40 am -
1 stop6h 05m
Thu 9/179:00 am -
2 stops7h 50m
Deal found 8/25![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:30 pm -
1 stop7h 25m
Sun 10/116:00 am -
1 stop7h 02m
Deal found 8/26![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:00 am -
Nonstop2h 19m
Mon 11/307:35 pm -
Nonstop2h 36m
Deal found 8/25![United Airlines logo]()
$332
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:42 pm -
1 stop4h 43m
Wed 10/287:53 am -
1 stop5h 09m
Deal found 8/29![Alaska Airlines logo]()
$307
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 10/135:35 am -
1 stop5h 40m
Tue 10/208:50 am -
2 stops7h 05m
Deal found 8/28![Southwest logo]()
$308
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 10/105:45 pm -
1 stop5h 10m
Sun 10/116:00 am -
1 stop7h 02m
Deal found 8/27![Delta logo]()
$319
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.
Wed 9/3012:21 pm -
1 stop5h 11m
Wed 10/77:53 am -
1 stop5h 09m
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.
Sat 9/2610:50 am -
1 stop5h 40m
Sat 10/38:45 am -
2 stops7h 50m
Deal found 8/29![Southwest logo]()
$312
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:10 am -
Nonstop2h 21m
Sun 11/17:20 pm -
Nonstop2h 38m
Deal found 8/29![United Airlines logo]()
$350
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:25 am -
1 stop6h 20m
Mon 9/286:28 pm -
1 stop6h 26m
Deal found 8/29![Delta logo]()
$319
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 10/2412:42 pm -
1 stop4h 43m
Mon 10/267:53 am -
1 stop5h 09m
Deal found 8/27![Alaska Airlines logo]()
$312
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 9/225:55 am -
2 stops7h 15m
Sat 9/2611:40 am -
2 stops10h 15m
Deal found 8/28![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:10 am -
Nonstop2h 21m
Fri 11/2711:15 am -
Nonstop2h 51m
Deal found 8/25![United Airlines logo]()
$369
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.
Tue 9/2212:21 pm -
1 stop5h 11m
Sat 9/268:08 am -
1 stop4h 33m
Deal found 8/28![Alaska Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 8/25. 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.
Sun 9/277:05 am -
1 stop6h 05m
Sat 10/38:50 am -
2 stops7h 45m
Deal found 8/25![Southwest logo]()
$318
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:25 am -
1 stop6h 20m
Mon 9/216:00 am -
1 stop6h 56m
Deal found 8/29![Delta logo]()
$359
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:05 am -
Nonstop2h 22m
Sat 10/177:13 pm -
Nonstop2h 27m
Deal found 8/29![United Airlines logo]()
$379
Last-minute flights from Washington to DenverDiscover last-minute flight deals from Washington to Denver. Data last updated August 30, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Denver. Data last updated August 30, 2026 and is based on user searches.
This deal was found by Cheapflights users on 8/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:29 pm -
1 stop5h 19m
Sun 9/131:07 pm -
Nonstop3h 01m
Deal found 8/25![Frontier logo]()
$193
This Super.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:06 pm -
Nonstop2h 52m
Tue 9/291:07 pm -
Nonstop3h 01m
Deal found 8/26![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/87:06 pm -
Nonstop2h 52m
Wed 9/161:07 pm -
Nonstop3h 01m
Deal found 8/25![Frontier logo]()
$219
This Super.com deal was found by Cheapflights users on 8/25. 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.
Wed 9/94:27 pm -
Nonstop2h 54m
Mon 9/141:07 pm -
Nonstop3h 01m
Deal found 8/25![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/94:27 pm -
Nonstop2h 54m
Tue 9/151:07 pm -
Nonstop3h 01m
Deal found 8/25![Frontier logo]()
$222
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.
Wed 9/94:27 pm -
Nonstop2h 54m
Wed 9/161:07 pm -
Nonstop3h 01m
Deal found 8/27![Frontier logo]()
$235
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 9/99:45 pm -
1 stop11h 22m
Sat 9/191:07 pm -
Nonstop3h 01m
Deal found 8/27![Frontier logo]()
$238
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:25 pm -
1 stop21h 34m
Tue 9/291:07 pm -
Nonstop3h 01m
Deal found 8/30![Frontier logo]()
$239
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:45 pm -
1 stop24h 59m
Thu 9/171:07 pm -
Nonstop3h 01m
Deal found 8/28![Frontier logo]()
$244
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.
Fri 9/1812:39 pm -
1 stop10h 05m
Sun 9/2010:00 am -
Nonstop2h 43m
Deal found 8/30![Frontier logo]()
$234
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 9/2512:38 pm -
Nonstop2h 40m
Fri 10/210:00 am -
Nonstop2h 43m
Deal found 8/27![Frontier logo]()
$244
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.
Sun 9/2711:02 am -
1 stop21h 30m
Wed 9/3010:44 pm -
1 stop12h 23m
Deal found 8/27![Frontier logo]()
$241
One-way flights from Washington to DenverSearch for one-way flight options from Washington to Denver. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
Search for one-way flight options from Washington to Denver. Find affordable one-way fares based on user searches. Data last updated August 30, 2026.
This Priceline deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:27 pm -
Nonstop2h 50m
Deal found 8/26![Frontier logo]()
$79
This CheapOair deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:27 pm -
Nonstop2h 54m
Deal found 8/26![Frontier logo]()
$80
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.
Mon 10/268:00 pm -
1 stop20h 35m
Deal found 8/28![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:27 pm -
Nonstop2h 50m
Deal found 8/26![Frontier logo]()
$83
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:27 pm -
Nonstop2h 48m
Deal found 8/27![Frontier logo]()
$84
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 10/288:09 pm -
1 stop20h 54m
Deal found 8/28![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:00 pm -
1 stop18h 18m
Deal found 8/26![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:00 pm -
1 stop12h 30m
Deal found 8/26![Frontier logo]()
$87
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.
Tue 9/294:27 pm -
Nonstop2h 54m
Deal found 8/28![Frontier logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:49 am -
Nonstop2h 38m
Deal found 8/26![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:07 pm -
Nonstop2h 33m
Deal found 8/26![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:43 pm -
1 stop20h 17m
Deal found 8/26![Multiple Airlines logo]()
$111
Find flight deals from Washington to Denver
Keep the following information in mind while searching for Washington to Denver flight deals. Data was last updated August 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (CheapOair) |
One-way from | $79 (Priceline) |
Popular in | June |
Cheapest in | January |
Average price | $265 |
Good round-trip deal | $259 or less |
Good one-way deal | $178 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Denver 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 August 30, 2026.
Use the filters below to find and compare flights from Washington to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleDenver
SEA Seattle/Tacoma Intl - DEN Denver Intl
SEADEN
Seattle/Tacoma Intl
Tue 10/27
6:54 pm-10:37 pm
Nonstop2h 43m
Denver Intl
Sat 10/31
12:00 pm-1:59 pm
Nonstop2h 59m
$287
SeattleDenver
SEA Seattle/Tacoma Intl - DEN Denver Intl
SEADEN
Seattle/Tacoma Intl
Wed 12/30
8:30 am-4:15 pm
1 stop6h 45m
Denver Intl
Tue 1/5
12:35 pm-6:40 pm
2 stops7h 05m
$288
SeattleDenver
SEA Seattle/Tacoma Intl - DEN Denver Intl
SEADEN
Seattle/Tacoma Intl
Thu 11/12
1:52 pm-5:37 pm
Nonstop2h 45m
Denver Intl
Wed 11/18
6:00 am-8:12 am
Nonstop3h 12m
$292
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Mon 11/2
5:52 pm-12:57 pm
1 stop18h 05m
Denver Intl
Mon 11/9
1:55 pm-6:57 pm
1 stop6h 02m
$293
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Wed 9/30
9:13 am-9:13 pm
1 stop11h 00m
Denver Intl
Sun 10/4
9:45 am-9:31 am
1 stop24h 46m
$293
SeattleDenver
SEA Seattle/Tacoma Intl - DEN Denver Intl
SEADEN
Seattle/Tacoma Intl
Wed 9/30
12:40 pm-9:25 pm
2 stops7h 45m
Denver Intl
Sat 10/3
4:15 pm-10:20 pm
2 stops7h 05m
$297
PascoDenver
PSC Pasco Tri Cities - DEN Denver Intl
PSCDEN
Pasco Tri Cities
Wed 12/9
5:15 am-8:37 am
Nonstop2h 22m
Denver Intl
Tue 12/15
7:35 pm-9:14 pm
Nonstop2h 39m
$299
EverettDenver
PAE Everett Paine Field - DEN Denver Intl
PAEDEN
Everett Paine Field
Sat 10/17
12:42 pm-6:25 pm
1 stop4h 43m
Denver Intl
Tue 10/20
7:53 am-12:02 pm
1 stop5h 09m
$302
SpokaneDenver
GEG Spokane - DEN Denver Intl
GEGDEN
Spokane
Fri 10/16
10:35 am-11:15 pm
2 stops11h 40m
Denver Intl
Mon 10/19
5:30 pm-11:45 pm
1 stop7h 15m
$304
SeattleDenver
SEA Seattle/Tacoma Intl - DEN Denver Intl
SEADEN
Seattle/Tacoma Intl
Tue 9/15
11:40 am-6:45 pm
1 stop6h 05m
Denver Intl
Thu 9/17
9:00 am-3:50 pm
2 stops7h 50m
$307
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Washington with our price prediction graph.
SEA-DEN
PDX-DEN
GEG-DEN
PSC-DEN
BLI-DEN
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 Denver
USWA-DEN
SEA-DEN
PDX-DEN
GEG-DEN
PSC-DEN
What is the cheapest month to book a flight from State of Washington to Denver?
Currently, January is the cheapest month in which you can book a flight from State of Washington to Denver (average of $175). Flying from State of Washington to Denver in June is currently the most expensive (average of $351). 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 DEN?
Find hourly flight availability from Washington to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 30, 2026.
One of the essential ways to save on airfare from State of Washington to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 10% on airfare.
Weekly flight availability from State of Washington to Denver
Explore weekly flight availability from Washington to Denver. 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 August 30, 2026.
The most flights from USWA to DEN are scheduled on a Friday (42 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from State of Washington to Denver?
Airfare is below average for this route at the moment.
State of Washington to Denver flights typically cost between $152 and $328 in September.The cheapest round-trip price found within the last 5 days was $138 on Frontier (Sep 29-Oct 6).
How far ahead should I book a flight from State of Washington to Denver?
Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from State of Washington to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from State of Washington to Denver?
Use this chart to determine the cheapest time to fly round-trip from Washington to Denver. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their State of Washington to Denver flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Washington to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Black Hawk
Lakewood
Centennial
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Cripple Creek
Winter Park
Limon
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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Alternative routes for Washington to Denver
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Complete your trip
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 30, 2026.
Search flights from Washington to Denver by cabin class
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Washington and Denver flights
Browse other Washington and Denver flight options. Last updated on August 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington to Denver flights
Consider these flights traveling from Washington to Denver.
Top 7 airlines flying from Washington to Denver
Discover the top 7 airlines that operate flights from Washington to Denver. 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 August 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$161 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$78 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$97 | Average$272 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$113 | Average$356 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$115 | Average$355 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$138 | Average$361 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$200 | Average$328 | FlexibilityNo cancel fee | On-time62% |