$87+ Cheap flights from Washington, D.C. (WAS) to Colorado
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DEN
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. to Colorado 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington, D.C. to Colorado
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Cheapest flights from Washington, D.C. to ColoradoExplore the most affordable flight options available from Washington, D.C. to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Washington, D.C. to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:00 pm -
Nonstop4h 09m
Sun 11/156:45 am -
Nonstop3h 24m
Deal found 9/11![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/126:00 pm -
Nonstop4h 10m
Sun 11/156:45 am -
Nonstop3h 24m
Deal found 9/11![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/37:50 am -
1 stop15h 34m
Thu 10/159:19 pm -
2 stops41h 54m
Deal found 9/9![Frontier logo]()
$242
This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/96:00 pm -
Nonstop4h 10m
Tue 11/104:35 pm -
Nonstop3h 15m
Deal found 9/9![Frontier logo]()
$242
This CheapOair deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Fri 11/139:06 pm -
1 stop13h 16m
Sun 11/157:02 pm -
1 stop13h 19m
Deal found 9/9![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/2912:31 pm -
1 stop11h 11m
Tue 11/36:31 pm -
1 stop20h 41m
Deal found 9/9![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 9/301:00 pm -
Nonstop3h 51m
Thu 10/154:33 pm -
Nonstop3h 26m
Deal found 9/9![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/169:06 pm -
1 stop13h 00m
Wed 10/2112:21 pm -
2 stops10h 00m
Deal found 9/9![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/36:00 pm -
Nonstop3h 52m
Thu 10/154:33 pm -
Nonstop3h 26m
Deal found 9/10![Frontier logo]()
$245
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/69:04 pm -
1 stop13h 00m
Thu 10/159:19 pm -
1 stop12h 15m
Deal found 9/10![Frontier logo]()
$246
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Fri 10/29:04 pm -
1 stop26h 20m
Tue 10/67:10 pm -
1 stop27h 00m
Deal found 9/8![Frontier logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/21:06 pm -
Nonstop3h 51m
Tue 10/64:28 pm -
Nonstop3h 31m
Deal found 9/9![Frontier logo]()
$247
Best flights from Washington, D.C. to ColoradoDiscover carefully curated flight deals from Washington, D.C. to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Washington, D.C. to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/29:50 pm -
Nonstop4h 05m
Wed 11/47:00 am -
Nonstop3h 15m
Deal found 9/10![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 12/2310:12 pm -
Nonstop4h 03m
Tue 12/297:33 pm -
Nonstop3h 26m
Deal found 9/10![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/148:00 am -
1 stop6h 26m
Wed 11/186:00 am -
1 stop5h 54m
Deal found 9/10![Delta logo]()
$355
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:31 pm -
1 stop8h 35m
Sun 11/87:20 pm -
1 stop9h 40m
Deal found 9/7![American Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/246:05 am -
Nonstop3h 55m
Tue 10/271:05 pm -
Nonstop3h 20m
Deal found 9/9![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/25:27 pm -
Nonstop4h 03m
Tue 10/611:52 pm -
Nonstop3h 25m
Deal found 9/9![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 2/57:50 pm -
1 stop6h 33m
Fri 2/121:35 pm -
1 stop5h 37m
Deal found 9/10![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/129:50 pm -
Nonstop4h 05m
Mon 11/168:30 am -
Nonstop3h 15m
Deal found 9/8![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:10 am -
Nonstop4h 07m
Tue 11/312:35 pm -
Nonstop3h 20m
Deal found 9/7![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/56:35 am -
1 stop6h 40m
Mon 11/97:40 am -
Nonstop3h 15m
Deal found 9/10![Southwest logo]()
$341
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 1/74:00 pm -
1 stop6h 23m
Mon 1/1112:55 pm -
1 stop6h 17m
Deal found 9/12![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:43 pm -
Nonstop3h 50m
Mon 10/1211:52 pm -
Nonstop3h 25m
Deal found 9/11![United Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/104:00 pm -
1 stop6h 11m
Fri 10/164:18 pm -
1 stop5h 26m
Deal found 9/8![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:00 pm -
1 stop5h 15m
Tue 11/1711:20 am -
1 stop4h 40m
Deal found 9/7![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/234:13 pm -
1 stop6h 25m
Mon 10/261:35 pm -
1 stop7h 33m
Deal found 9/9![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/56:10 am -
1 stop5h 38m
Tue 10/132:36 pm -
1 stop6h 13m
Deal found 9/11![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/167:35 pm -
1 stop5h 05m
Mon 10/198:30 am -
1 stop7h 45m
Deal found 9/8![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:00 pm -
1 stop7h 05m
Sun 10/412:59 am -
1 stop5h 36m
Deal found 9/8![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Mon 10/55:00 pm -
1 stop7h 02m
Mon 10/127:18 pm -
1 stop9h 42m
Deal found 9/11![American Airlines logo]()
$563
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/24:25 pm -
1 stop5h 40m
Thu 11/52:20 pm -
1 stop6h 30m
Deal found 9/10![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/66:00 am -
1 stop8h 30m
Tue 11/171:31 pm -
1 stop7h 14m
Deal found 9/10![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:23 am -
Nonstop4h 11m
Thu 11/55:45 pm -
Nonstop3h 23m
Deal found 9/9![United Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/166:15 am -
Nonstop3h 55m
Sun 10/1812:30 am -
Nonstop3h 15m
Deal found 9/8![Southwest logo]()
$360
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/273:03 pm -
1 stop7h 13m
Fri 10/308:17 am -
2 stops9h 57m
Deal found 9/9![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2810:12 pm -
Nonstop4h 03m
Fri 1/111:59 pm -
Nonstop3h 20m
Deal found 9/10![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/27:50 pm -
1 stop5h 55m
Mon 10/55:00 am -
Nonstop3h 20m
Deal found 9/10![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/710:34 pm -
Nonstop3h 56m
Thu 10/86:00 am -
Nonstop3h 25m
Deal found 9/8![United Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/104:05 pm -
1 stop6h 45m
Thu 11/191:31 pm -
1 stop7h 14m
Deal found 9/10![Delta logo]()
$406
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/124:25 pm -
1 stop5h 40m
Sat 11/1411:05 am -
1 stop7h 30m
Deal found 9/12![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:10 pm -
1 stop7h 12m
Wed 11/1110:34 am -
1 stop5h 21m
Deal found 9/7![United Airlines logo]()
$445
Last-minute flights from Washington, D.C. to ColoradoDiscover last-minute flight deals from Washington, D.C. to Colorado. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Colorado. Data last updated September 12, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Wed 9/304:36 pm -
1 stop7h 13m
Sun 10/47:12 pm -
1 stop13h 05m
Deal found 9/9![Frontier logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 9/301:00 pm -
Nonstop3h 51m
Thu 10/154:33 pm -
Nonstop3h 26m
Deal found 9/9![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/304:36 pm -
1 stop7h 13m
Wed 10/146:42 pm -
1 stop9h 38m
Deal found 9/10![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Fri 10/29:04 pm -
1 stop26h 20m
Tue 10/67:10 pm -
1 stop27h 00m
Deal found 9/8![Frontier logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/21:06 pm -
Nonstop3h 51m
Tue 10/64:28 pm -
Nonstop3h 31m
Deal found 9/9![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/37:50 am -
1 stop15h 34m
Thu 10/159:19 pm -
2 stops41h 54m
Deal found 9/9![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/36:00 pm -
Nonstop3h 52m
Thu 10/154:33 pm -
Nonstop3h 26m
Deal found 9/10![Frontier logo]()
$245
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/69:04 pm -
1 stop13h 00m
Thu 10/159:19 pm -
1 stop12h 15m
Deal found 9/10![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/77:50 am -
2 stops15h 49m
Fri 10/168:45 pm -
1 stop7h 35m
Deal found 9/11![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/169:06 pm -
1 stop13h 00m
Wed 10/2112:21 pm -
2 stops10h 00m
Deal found 9/9![Frontier logo]()
$245
This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Sat 10/171:00 pm -
Nonstop4h 04m
Wed 10/214:33 pm -
Nonstop3h 26m
Deal found 9/9![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/2912:31 pm -
1 stop11h 11m
Tue 11/36:31 pm -
1 stop20h 41m
Deal found 9/9![Frontier logo]()
$244
One-way flights from Washington, D.C. to ColoradoSearch for one-way flight options from Washington, D.C. to Colorado. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Washington, D.C. to Colorado. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Travelocity deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:25 pm -
1 stop15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/96:28 pm -
1 stop16h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$97
This Expedia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/96:25 pm -
1 stop15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$98
This Orbitz deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Mon 10/56:22 pm -
1 stop15h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/169:12 pm -
1 stop12h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:04 pm -
2 stops32h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/205:40 am -
1 stop17h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$106
This Priceline deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Wed 9/3012:45 pm -
1 stop11h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 12/55:30 am -
1 stop17h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$109
This Trip.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/77:50 am -
1 stop15h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/69:04 pm -
2 stops26h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/57:50 am -
2 stops15h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$116
Find flight deals from Washington, D.C. to Colorado
Keep the following information in mind while searching for Washington, D.C. to Colorado flight deals. Data was last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $168 (Cheapflightsfares) |
One-way from | $87 (Travelocity) |
Popular in | June |
Cheapest in | January |
Average price | $364 |
Good round-trip deal | $282 or less |
Good one-way deal | $171 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Colorado 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 12, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Denver
DCA Washington, D.C. Reagan-National - DEN Denver Intl
DCADEN
Washington, D.C. Reagan-National
Thu 10/22
6:00 pm-8:03 pm
Nonstop4h 03m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$143
BaltimoreDenver
BWI Baltimore/Washington - DEN Denver Intl
BWIDEN
Baltimore/Washington
Thu 10/1
10:00 pm-11:55 pm
Nonstop3h 55m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$168
BaltimoreDenver
BWI Baltimore/Washington - DEN Denver Intl
BWIDEN
Baltimore/Washington
Mon 11/16
5:20 pm-7:25 pm
Nonstop4h 05m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$168
BaltimoreDenver
BWI Baltimore/Washington - DEN Denver Intl
BWIDEN
Baltimore/Washington
Mon 10/5
6:15 am-8:10 am
Nonstop3h 55m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$168
BaltimoreDenver
BWI Baltimore/Washington - DEN Denver Intl
BWIDEN
Baltimore/Washington
Wed 11/4
3:30 pm-5:35 pm
Nonstop4h 05m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$168
BaltimoreDenver
BWI Baltimore/Washington - DEN Denver Intl
BWIDEN
Baltimore/Washington
Wed 10/7
6:25 am-8:20 am
Nonstop3h 55m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$168
Quickest round-trip
Washington, D.C.Denver
DCA Washington, D.C. Reagan-National - DEN Denver Intl
DCADEN
Washington, D.C. Reagan-National
Mon 9/21
6:00 pm-7:52 pm
Nonstop3h 52m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$170
Washington, D.C.Denver
DCA Washington, D.C. Reagan-National - DEN Denver Intl
DCADEN
Washington, D.C. Reagan-National
Fri 11/6
4:25 pm-8:05 pm
1 stop5h 40m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$175
Washington, D.C.Denver
DCA Washington, D.C. Reagan-National - DEN Denver Intl
DCADEN
Washington, D.C. Reagan-National
Wed 11/4
4:00 pm-7:15 pm
1 stop5h 15m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$175
Washington, D.C.Denver
DCA Washington, D.C. Reagan-National - DEN Denver Intl
DCADEN
Washington, D.C. Reagan-National
Mon 10/5
7:35 pm-10:40 pm
1 stop5h 05m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$175
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Washington, D.C. with our price prediction graph.
BWI-DEN
IAD-DEN
IAD-COS
DCA-DRO
DCA-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, D.C. to Colorado
WAS-USCO
BWI-DEN
IAD-DEN
IAD-COS
DCA-DRO
What is the cheapest month to book a flight from Washington, D.C. to Colorado?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Colorado (average of $281). Flying from Washington, D.C. to Colorado in June is currently the most expensive (average of $462). 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 WAS to CO?
Find hourly flight availability from Washington, D.C. to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 12, 2026.
One of the essential ways to save on airfare from Washington, D.C. to Colorado is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 10% on airfare.
Weekly flight availability from Washington, D.C. to Colorado
Explore weekly flight availability from Washington, D.C. to Colorado. 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 12, 2026.
The most flights from WAS to USCO are scheduled on a Thursday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Washington, D.C. to Colorado?
Airfare is below average for this route at the moment.
Washington, D.C. to Colorado flights typically cost between $281 and $459 in November.The cheapest round-trip price found within the last 5 days was $168 on Frontier (Nov 13-Nov 15).
How far ahead should I book a flight from Washington, D.C. to Colorado?
Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Colorado. 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 Washington, D.C. to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Colorado. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Washington, D.C. to Colorado flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated September 12, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Washington, D.C. to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington, D.C. to Colorado
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Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington, D.C. to Colorado by cabin class
Find flights from Washington, D.C. to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and Colorado flights
Browse other Washington, D.C. and Colorado flight options. Last updated on September 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington, D.C. to Colorado flights
Consider these flights traveling from Washington, D.C. to Colorado.
Top 6 airlines flying from Washington, D.C. to Colorado
Discover the top 6 airlines that operate flights from Washington, D.C. to Colorado. 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$80 | Average$294 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$113 | Average$452 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$446 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$542 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$518 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$218 | Average$536 | FlexibilityNo cancel fee | On-timeN/A |