$118+ Cheap flights from Denver (DEN) to District of Columbia
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IAD
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Denver to District of Columbia 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 District of ColumbiaExplore the most affordable flight options available from Denver to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Denver to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:45 am -
Nonstop3h 26m
Wed 10/77:00 am -
Nonstop4h 03m
Deal found 9/12![Frontier logo]()
$232
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/174:35 pm -
Nonstop3h 15m
Sat 11/217:00 am -
Nonstop4h 16m
Deal found 9/14![Frontier logo]()
$233
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Sat 10/247:28 am -
1 stop20h 52m
Wed 10/2812:31 pm -
1 stop11h 11m
Deal found 9/14![Frontier logo]()
$234
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/1810:43 am -
1 stop11h 00m
Mon 11/231:09 pm -
1 stop13h 45m
Deal found 9/14![Frontier logo]()
$235
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/216:45 am -
Nonstop3h 19m
Fri 10/236:00 pm -
Nonstop4h 03m
Deal found 9/14![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:19 pm -
1 stop12h 15m
Thu 10/226:00 am -
1 stop11h 04m
Deal found 9/15![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/2110:38 am -
1 stop11h 43m
Wed 10/2811:16 am -
1 stop10h 44m
Deal found 9/13![Frontier logo]()
$237
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Mon 10/1210:45 pm -
1 stop29h 35m
Sat 10/176:00 am -
1 stop12h 48m
Deal found 9/15![Frontier logo]()
$238
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/294:35 pm -
Nonstop3h 15m
Mon 11/21:00 pm -
Nonstop4h 09m
Deal found 9/14![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/1610:38 am -
1 stop11h 43m
Mon 10/199:06 pm -
1 stop13h 00m
Deal found 9/14![Frontier logo]()
$239
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:28 pm -
Nonstop3h 31m
Thu 10/17:00 am -
Nonstop4h 03m
Deal found 9/12![Frontier logo]()
$239
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Tue 10/137:31 am -
1 stop20h 49m
Fri 10/169:06 pm -
1 stop13h 00m
Deal found 9/16![Frontier logo]()
$240
Best flights from Denver to District of ColumbiaDiscover carefully curated flight deals from Denver to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Denver to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 9/306:30 am -
1 stop7h 15m
Sat 10/106:00 am -
1 stop9h 30m
Deal found 9/16![Southwest logo]()
$326
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:59 pm -
Nonstop3h 20m
Tue 11/35:20 pm -
Nonstop4h 10m
Deal found 9/12![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:25 pm -
1 stop8h 19m
Wed 10/146:08 am -
1 stop6h 56m
Deal found 9/13![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 9/308:40 am -
1 stop7h 25m
Thu 11/54:25 pm -
1 stop5h 40m
Deal found 9/16![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/145:56 pm -
Nonstop3h 29m
Sun 10/1810:34 pm -
Nonstop3h 56m
Deal found 9/16![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/232:00 pm -
1 stop6h 55m
Mon 10/267:35 pm -
1 stop5h 05m
Deal found 9/13![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/112:10 pm -
1 stop6h 27m
Sun 10/46:10 am -
1 stop6h 38m
Deal found 9/15![Delta logo]()
$439
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.
Fri 10/302:05 pm -
2 stops7h 00m
Tue 11/34:00 pm -
1 stop5h 15m
Deal found 9/12![Southwest logo]()
$380
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:52 pm -
Nonstop3h 25m
Tue 10/1310:34 pm -
Nonstop3h 56m
Deal found 9/12![United Airlines logo]()
$449
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.
Wed 11/111:15 pm -
2 stops7h 45m
Mon 11/163:35 pm -
1 stop5h 55m
Deal found 9/12![Southwest logo]()
$384
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:55 pm -
Nonstop3h 20m
Sun 11/86:10 am -
Nonstop4h 09m
Deal found 9/12![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/215:56 pm -
Nonstop3h 29m
Sun 10/256:10 am -
Nonstop4h 09m
Deal found 9/16![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/2210:30 am -
2 stops7h 20m
Sun 10/256:10 am -
1 stop6h 00m
Deal found 9/15![Southwest logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/2111:52 pm -
Nonstop3h 25m
Wed 10/285:20 pm -
Nonstop4h 10m
Deal found 9/16![United Airlines logo]()
$449
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.
Sat 10/38:45 am -
2 stops10h 05m
Wed 10/710:35 am -
2 stops7h 50m
Deal found 9/12![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 9/291:40 pm -
2 stops7h 25m
Sat 10/106:00 am -
1 stop9h 30m
Deal found 9/16![Southwest logo]()
$427
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:59 pm -
Nonstop3h 26m
Tue 9/2910:34 pm -
Nonstop3h 56m
Deal found 9/12![United Airlines logo]()
$474
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 9/2911:00 am -
1 stop6h 10m
Wed 9/304:50 pm -
1 stop5h 00m
Deal found 9/14![Southwest logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/21:58 pm -
Nonstop3h 28m
Sun 10/46:35 am -
Nonstop3h 53m
Deal found 9/15![United Airlines logo]()
$509
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.
Tue 10/2011:00 am -
2 stops6h 40m
Sun 10/256:10 am -
2 stops6h 40m
Deal found 9/12![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 9/303:45 pm -
Nonstop3h 26m
Fri 10/25:27 pm -
Nonstop4h 03m
Deal found 9/16![United Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:58 pm -
Nonstop3h 28m
Sat 9/262:43 pm -
Nonstop3h 50m
Deal found 9/13![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Sun 11/225:55 pm -
Nonstop3h 20m
Mon 11/3010:10 pm -
Nonstop4h 09m
Deal found 9/16![United Airlines logo]()
$534
Last-minute flights from Denver to District of ColumbiaDiscover last-minute flight deals from Denver to District of Columbia. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to District of Columbia. Data last updated September 17, 2026 and is based on user searches.
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:28 pm -
Nonstop3h 31m
Thu 10/17:00 am -
Nonstop4h 03m
Deal found 9/12![Frontier logo]()
$239
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Mon 10/1210:45 pm -
1 stop29h 35m
Sat 10/176:00 am -
1 stop12h 48m
Deal found 9/15![Frontier logo]()
$238
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Tue 10/137:31 am -
1 stop20h 49m
Fri 10/169:06 pm -
1 stop13h 00m
Deal found 9/16![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:19 pm -
1 stop12h 15m
Thu 10/226:00 am -
1 stop11h 04m
Deal found 9/15![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/1610:38 am -
1 stop11h 43m
Mon 10/199:06 pm -
1 stop13h 00m
Deal found 9/14![Frontier logo]()
$239
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/216:45 am -
Nonstop3h 19m
Fri 10/236:00 pm -
Nonstop4h 03m
Deal found 9/14![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/2110:38 am -
1 stop11h 43m
Wed 10/2811:16 am -
1 stop10h 44m
Deal found 9/13![Frontier logo]()
$237
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:19 pm -
1 stop12h 15m
Mon 10/269:06 pm -
1 stop13h 16m
Deal found 9/17![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Sat 10/247:28 am -
1 stop20h 52m
Wed 10/2812:31 pm -
1 stop11h 11m
Deal found 9/14![Frontier logo]()
$234
This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:56 pm -
1 stop15h 54m
Tue 10/279:06 pm -
1 stop13h 16m
Deal found 9/14![Frontier logo]()
$235
This Priceline deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/284:35 pm -
Nonstop3h 15m
Thu 10/297:00 am -
Nonstop4h 16m
Deal found 9/13![Frontier logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/294:35 pm -
Nonstop3h 15m
Mon 11/21:00 pm -
Nonstop4h 09m
Deal found 9/14![Frontier logo]()
$238
One-way flights from Denver to District of ColumbiaSearch for one-way flight options from Denver to District of Columbia. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Denver to District of Columbia. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Super.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/76:38 pm -
1 stop9h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/139:19 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$119
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/66:38 pm -
1 stop9h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$120
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/273:15 pm -
1 stop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$120
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/147:31 am -
1 stop20h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/2210:40 am -
1 stop21h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$122
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/78:30 am -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$124
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/56:40 am -
1 stop25h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 11/1710:41 am -
1 stop11h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 10/286:31 pm -
2 stops13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/239:19 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/198:55 pm -
2 stops21h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$129
Find flight deals from Denver to District of Columbia
Keep the following information in mind while searching for Denver to District of Columbia flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $233 (Cheapflightsfares) |
One-way from | $118 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $350 |
Good round-trip deal | $287 or less |
Good one-way deal | $164 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Denver to District of Columbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Wed 10/7
8:30 am-3:45 pm
1 stop5h 15m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$124
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Tue 11/3
11:20 am-6:00 pm
1 stop4h 40m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$165
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Sun 11/22
7:10 am-4:15 pm
2 stops7h 05m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$195
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Sat 10/17
8:40 am-8:55 pm
2 stops10h 15m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$195
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Fri 10/16
12:59 am-5:32 pm
1 stop14h 33m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$207
DenverWashington, D.C.
DEN Denver Intl - IAD Washington, D.C. Dulles Intl
DENIAD
Denver Intl
Tue 10/20
3:14 pm-11:23 pm
1 stop6h 09m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$213
DenverWashington, D.C.
DEN Denver Intl - IAD Washington, D.C. Dulles Intl
DENIAD
Denver Intl
Wed 9/30
5:41 pm-5:40 am
1 stop9h 59m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Fri 10/2
3:15 pm-10:55 pm
1 stop5h 40m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Fri 10/9
2:30 pm-11:45 pm
1 stop7h 15m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
DenverWashington, D.C.
DEN Denver Intl - DCA Washington, D.C. Reagan-National
DENDCA
Denver Intl
Fri 10/23
10:30 am-7:50 pm
2 stops7h 20m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
Showing 1-10 of 44 resultsSorted by cheapest first
Best time to book a flight from Denver to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Denver with our price prediction graph.
DEN-DCA
DEN-IAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to District of Columbia
DEN-USDC
DEN-DCA
DEN-IAD
What is the cheapest month to book a flight from Denver to District of Columbia?
Currently, February is the cheapest month in which you can book a flight from Denver to District of Columbia (average of $238). Flying from Denver to District of Columbia in June is currently the most expensive (average of $477). 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 DC?
Find hourly flight availability from Denver to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 34% on flights from Denver to District of Columbia by exploring options for tickets at noon.
Weekly flight availability from Denver to District of Columbia
Explore weekly flight availability from Denver to District of Columbia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2026.
The most flights from DEN to USDC are scheduled on a Wednesday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from Denver to District of Columbia?
Airfare is below average for this route at the moment.
Denver to District of Columbia flights typically cost between $351 and $584 in October.The cheapest round-trip price found within the last 5 days was $234 on Frontier (Oct 24-Oct 28).
How far ahead should I book a flight from Denver to District of Columbia?
Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to District of Columbia. 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 Denver to District of Columbia?
Use this chart to determine the cheapest time to fly round-trip from Denver to District of Columbia. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Denver to District of Columbia flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing District of Columbia
Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated September 17, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Denver to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
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 District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Denver to District of Columbia by cabin class
Find flights from Denver to District of Columbia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and District of Columbia flights
Browse other Denver and District of Columbia flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Denver to District of Columbia
Discover the top 6 airlines that operate flights from Denver to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$436 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$109 | Average$302 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$422 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$208 | Average$512 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$298 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$363 | FlexibilityNo cancel fee | On-time62% |