$110+ Cheap flights from Colorado to Maryland
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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BWI
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Cheapest flights from Colorado to MarylandExplore the most affordable flight options available from Colorado to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
Explore the most affordable flight options available from Colorado to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:05 am
DEN
- PHL
Nonstop3h 42m
Frontier
Sat 7/412:42 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/13![Frontier logo]()
$249
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 9/51:20 pm
COS
- PHL
1 stop6h 33m
Delta
Wed 9/94:05 pm
PHL
- COS
1 stop7h 10m
Delta
Deal found 6/11![Delta logo]()
$249
This CheapOair deal was found by Cheapflights users on 6/16. 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.
Tue 8/411:37 pm
DEN
- PHL
1 stop7h 00m
Multiple Airlines
Tue 8/117:20 am
PHL
- DEN
1 stop8h 59m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/266:00 am
COS
- PHL
1 stop8h 11m
Delta
Thu 8/275:45 am
PHL
- COS
1 stop7h 02m
Delta
Deal found 6/11![Delta logo]()
$250
This CheapOair deal was found by Cheapflights users on 6/13. 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.
Tue 7/2811:37 pm
DEN
- PHL
1 stop6h 53m
Multiple Airlines
Sun 8/212:44 pm
PHL
- DEN
Nonstop4h 14m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$251
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:05 am
DEN
- PHL
Nonstop3h 44m
Frontier
Fri 7/3112:54 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/12![Frontier logo]()
$252
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 8/2812:59 am
DEN
- PHL
1 stop5h 37m
Delta
Tue 9/17:20 am
PHL
- DEN
1 stop9h 42m
Delta
Deal found 6/11![Delta logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:44 pm
DEN
- PHL
2 stops19h 31m
Frontier
Sun 9/278:44 pm
PHL
- DEN
Nonstop4h 20m
Frontier
Deal found 6/15![Frontier logo]()
$254
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:03 am
DEN
- PHL
1 stop13h 12m
Frontier
Tue 7/1412:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/12![Frontier logo]()
$255
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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.
Wed 7/16:05 am
DEN
- PHL
Nonstop3h 42m
Frontier
Tue 7/1412:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/14![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Tue 7/76:05 am
DEN
- PHL
Nonstop3h 44m
Frontier
Tue 8/412:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/12![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 8/86:30 am
DEN
- PHL
1 stop10h 50m
Frontier
Thu 8/138:37 pm
PHL
- DEN
Nonstop4h 27m
Frontier
Deal found 6/11![Frontier logo]()
$258
Best flights from Colorado to MarylandDiscover carefully curated flight deals from Colorado to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from Colorado to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:15 am
DEN
- PHL
2 stops7h 40m
Southwest
Wed 8/197:15 am
PHL
- DEN
2 stops9h 30m
Southwest
Deal found 6/11![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 6/13. 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 8/511:27 am
COS
- BWI
1 stop8h 02m
Delta
Tue 8/185:00 pm
BWI
- COS
1 stop6h 38m
Delta
Deal found 6/13![Delta logo]()
$333
This JetBlue deal was found by Cheapflights users on 6/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:09 pm
DEN
- DCA
1 stop6h 50m
JetBlue
Wed 7/151:25 pm
DCA
- DEN
1 stop11h 16m
JetBlue
Deal found 6/14![JetBlue logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 8/511:31 am
COS
- IAD
1 stop5h 51m
United Airlines
Tue 8/186:15 am
IAD
- COS
1 stop6h 18m
United Airlines
Deal found 6/13![United Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:31 am
ASE
- IAD
1 stop7h 53m
American Airlines
Sun 9/135:01 am
IAD
- ASE
2 stops9h 20m
American Airlines
Deal found 6/16![American Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:20 am
DEN
- IAD
2 stops19h 31m
Alaska Airlines
Mon 11/95:14 pm
IAD
- DEN
1 stop19h 57m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 10/145:55 pm
COS
- PHL
1 stop9h 46m
Delta
Tue 10/203:10 pm
PHL
- COS
2 stops9h 20m
Delta
Deal found 6/15![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 10/2710:30 am
COS
- BWI
1 stop6h 50m
United Airlines
Wed 10/288:15 am
BWI
- COS
1 stop6h 56m
United Airlines
Deal found 6/11![United Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 6/14. 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.
Sat 8/228:55 am
COS
- BWI
1 stop6h 05m
Southwest
Wed 9/23:15 pm
BWI
- COS
1 stop6h 55m
Southwest
Deal found 6/14![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 6/15. 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.
Sat 9/58:10 am
COS
- PHL
2 stops13h 46m
Delta
Wed 9/93:54 pm
PHL
- COS
1 stop6h 02m
Delta
Deal found 6/15![Delta logo]()
$338
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:59 pm
DEN
- DCA
1 stop7h 00m
JetBlue
Fri 8/142:00 pm
DCA
- DEN
1 stop10h 42m
JetBlue
Deal found 6/15![JetBlue logo]()
$387
This Southwest deal was found by Cheapflights users on 6/15. 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 9/35:15 am
DEN
- BWI
Nonstop3h 25m
Southwest
Mon 9/77:00 am
BWI
- DEN
Nonstop3h 50m
Southwest
Deal found 6/15![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/315:10 pm
ASE
- IAD
1 stop5h 35m
United Airlines
Mon 8/35:41 pm
IAD
- ASE
1 stop5h 45m
United Airlines
Deal found 6/11![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
COS
- DCA
2 stops10h 45m
Delta
Tue 9/86:59 am
DCA
- COS
1 stop7h 15m
Delta
Deal found 6/14![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/92:25 pm
DEN
- BWI
Nonstop3h 25m
Southwest
Tue 8/1112:10 pm
BWI
- DEN
1 stop5h 00m
Southwest
Deal found 6/11![Southwest logo]()
$361
This Delta deal was found by Cheapflights users on 6/13. 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 8/511:27 am
COS
- BWI
1 stop8h 02m
Delta
Mon 8/176:05 am
BWI
- COS
1 stop6h 42m
Delta
Deal found 6/13![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:03 pm
DEN
- BWI
Nonstop3h 31m
United Airlines
Sun 8/304:18 pm
BWI
- DEN
Nonstop3h 58m
United Airlines
Deal found 6/14![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 6/12. 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 8/276:00 pm
DEN
- PHL
Nonstop3h 45m
Southwest
Tue 9/112:35 pm
PHL
- DEN
Nonstop3h 50m
Southwest
Deal found 6/12![Southwest logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/317:25 am
ASE
- IAD
2 stops14h 45m
American Airlines
Mon 8/36:14 am
IAD
- ASE
1 stop9h 37m
American Airlines
Deal found 6/11![American Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
COS
- DCA
2 stops10h 43m
Delta
Tue 8/1812:23 pm
DCA
- COS
2 stops11h 15m
Delta
Deal found 6/14![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/42:03 pm
DEN
- BWI
Nonstop3h 31m
United Airlines
Sun 9/64:18 pm
BWI
- DEN
Nonstop3h 58m
United Airlines
Deal found 6/12![United Airlines logo]()
$397
This JetBlue deal was found by Cheapflights users on 6/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1011:37 pm
DEN
- DCA
1 stop10h 24m
JetBlue
Thu 7/168:44 am
DCA
- DEN
1 stop7h 11m
JetBlue
Deal found 6/16![JetBlue logo]()
$484
This Southwest deal was found by Cheapflights users on 6/12. 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 8/66:00 am
COS
- BWI
2 stops10h 15m
Southwest
Wed 8/123:15 pm
BWI
- COS
2 stops8h 30m
Southwest
Deal found 6/12![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
COS
- DCA
1 stop6h 53m
Delta
Sat 8/154:00 pm
DCA
- COS
1 stop7h 38m
Delta
Deal found 6/14![Delta logo]()
$361
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:30 am
COS
- PHL
2 stops11h 15m
Southwest
Mon 9/75:25 am
PHL
- COS
1 stop6h 20m
Southwest
Deal found 6/11![Southwest logo]()
$376
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/112:22 pm
ASE
- PHL
2 stops8h 35m
United Airlines
Tue 7/145:00 pm
PHL
- ASE
1 stop7h 00m
United Airlines
Deal found 6/13![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:30 am
COS
- IAD
1 stop8h 12m
Delta
Wed 9/211:10 am
IAD
- COS
2 stops12h 28m
Delta
Deal found 6/14![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:35 am
COS
- DCA
2 stops7h 20m
Southwest
Tue 7/281:00 pm
DCA
- COS
1 stop8h 15m
Southwest
Deal found 6/11![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 8/53:40 pm
DEN
- BWI
Nonstop3h 30m
United Airlines
Mon 8/174:18 pm
BWI
- DEN
Nonstop3h 58m
United Airlines
Deal found 6/13![United Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:25 am
ASE
- PHL
1 stop11h 00m
American Airlines
Wed 7/2912:52 pm
PHL
- ASE
1 stop9h 25m
American Airlines
Deal found 6/15![American Airlines logo]()
$630
Last-minute flights from Colorado to MarylandDiscover last-minute flight deals from Colorado to Maryland. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Maryland. Data last updated June 16, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Wed 6/176:05 am
DEN
- PHL
Nonstop3h 42m
Frontier
Mon 6/298:37 pm
PHL
- DEN
Nonstop4h 22m
Frontier
Deal found 6/11![Frontier logo]()
$261
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:59 pm
DEN
- PHL
Nonstop3h 39m
Frontier
Fri 6/268:37 pm
PHL
- DEN
Nonstop4h 22m
Frontier
Deal found 6/12![Frontier logo]()
$260
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:05 am
DEN
- PHL
Nonstop3h 42m
Frontier
Sat 7/412:42 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/13![Frontier logo]()
$249
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2211:59 pm
DEN
- PHL
Nonstop3h 39m
Frontier
Fri 7/178:37 pm
PHL
- DEN
Nonstop4h 27m
Frontier
Deal found 6/12![Frontier logo]()
$253
This Super.com deal was found by Cheapflights users on 6/14. 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.
Wed 7/16:05 am
DEN
- PHL
Nonstop3h 42m
Frontier
Tue 7/1412:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/14![Frontier logo]()
$254
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:03 am
DEN
- PHL
1 stop13h 12m
Frontier
Tue 7/1412:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/12![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Tue 7/76:05 am
DEN
- PHL
Nonstop3h 44m
Frontier
Tue 8/412:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/12![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:30 am
DEN
- BWI
1 stop7h 04m
Frontier
Tue 7/148:36 am
BWI
- DEN
2 stops15h 08m
Frontier
Deal found 6/15![Frontier logo]()
$267
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Thu 7/911:59 pm
DEN
- PHL
Nonstop3h 40m
Frontier
Tue 7/2112:44 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/12![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:05 am
DEN
- PHL
Nonstop3h 44m
Frontier
Fri 7/3112:54 pm
PHL
- DEN
Nonstop4h 14m
Frontier
Deal found 6/12![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 7/1111:59 pm
DEN
- PHL
1 stop29h 16m
Frontier
Tue 7/146:30 am
PHL
- DEN
1 stop9h 30m
Frontier
Deal found 6/11![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 6/13. 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.
Tue 7/2811:37 pm
DEN
- PHL
1 stop6h 53m
Multiple Airlines
Sun 8/212:44 pm
PHL
- DEN
Nonstop4h 14m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$251
One-way flights from Colorado to MarylandSearch for one-way flight options from Colorado to Maryland. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Colorado to Maryland. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/164:08 pm
COS
- PHL
1 stop6h 14m
American Airlines
Deal found 6/11![American Airlines logo]()
$110
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 9/156:00 am
COS
- PHL
1 stop8h 17m
Delta
Deal found 6/11![Delta logo]()
$119
This Super.com deal was found by Cheapflights users on 6/14. 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.
Sun 7/266:05 am
DEN
- PHL
Nonstop3h 44m
Frontier
Deal found 6/14![Frontier logo]()
$127
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:30 am
DEN
- PHL
1 stop13h 58m
Frontier
Deal found 6/14![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 8/226:30 am
DEN
- PHL
1 stop13h 59m
Frontier
Deal found 6/11![Frontier logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Wed 6/246:05 am
DEN
- PHL
Nonstop3h 42m
Frontier
Deal found 6/12![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:59 pm
DEN
- PHL
Nonstop3h 39m
Frontier
Deal found 6/12![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:05 am
DEN
- PHL
Nonstop3h 42m
Frontier
Deal found 6/15![Frontier logo]()
$133
This Frontier deal was found by Cheapflights users on 6/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:59 pm
DEN
- PHL
Nonstop3h 37m
Frontier
Deal found 6/13![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:52 pm
DEN
- BWI
1 stop7h 02m
Frontier
Deal found 6/12![Frontier logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:05 am
DEN
- PHL
Nonstop3h 44m
Frontier
Deal found 6/13![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 7/148:52 pm
DEN
- BWI
2 stops24h 25m
Frontier
Deal found 6/13![Frontier logo]()
$136
Find flight deals from Colorado to Maryland
Keep the following information in mind while searching for Colorado to Maryland flight deals. Data was last updated June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Frontier) |
One-way from | $110 (American Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $398 |
Good round-trip deal | $443 or less |
Good one-way deal | $209 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Maryland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Colorado to Maryland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverPhiladelphia
DEN - PHL
DENPHL
Denver Intl
Wed 8/12
11:15 am-8:55 pm
2 stops7h 40m
Philadelphia
Wed 8/19
7:15 am-2:45 pm
2 stops9h 30m
$295
Colorado SpringsBaltimore
COS - BWI
COSBWI
Colorado Springs
Wed 8/5
11:27 am-9:29 pm
1 stop8h 02m
Baltimore/Washington
Tue 8/18
5:00 pm-9:38 pm
1 stop6h 38m
$333
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Wed 10/14
5:55 pm-5:41 am
1 stop9h 46m
Philadelphia
Tue 10/20
3:10 pm-10:30 pm
2 stops9h 20m
$338
Colorado SpringsPhiladelphia
COS - PHL
COSPHL
Colorado Springs
Sat 9/5
8:10 am-11:56 pm
2 stops13h 46m
Philadelphia
Wed 9/9
3:54 pm-7:56 pm
1 stop6h 02m
$338
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
Thu 7/9
2:09 pm-10:59 pm
1 stop6h 50m
Washington, D.C. Reagan-National
Wed 7/15
1:25 pm-10:41 pm
1 stop11h 16m
$344
Colorado SpringsWashington, D.C.
COS - IAD
COSIAD
Colorado Springs
Wed 8/5
11:31 am-7:22 pm
1 stop5h 51m
Washington, D.C. Dulles Intl
Tue 8/18
6:15 am-10:33 am
1 stop6h 18m
$347
Colorado SpringsWashington, D.C.
COS - DCA
COSDCA
Colorado Springs
Wed 9/2
6:00 am-6:45 pm
2 stops10h 45m
Washington, D.C. Reagan-National
Tue 9/8
6:59 am-12:14 pm
1 stop7h 15m
$352
Colorado SpringsBaltimore
COS - BWI
COSBWI
Colorado Springs
Tue 10/27
10:30 am-7:20 pm
1 stop6h 50m
Baltimore/Washington
Wed 10/28
8:15 am-1:11 pm
1 stop6h 56m
$353
Colorado SpringsBaltimore
COS - BWI
COSBWI
Colorado Springs
Sat 8/22
8:55 am-5:00 pm
1 stop6h 05m
Baltimore/Washington
Wed 9/2
3:15 pm-8:10 pm
1 stop6h 55m
$354
Colorado SpringsBaltimore
COS - BWI
COSBWI
Colorado Springs
Wed 8/5
11:27 am-9:29 pm
1 stop8h 02m
Baltimore/Washington
Mon 8/17
6:05 am-10:47 am
1 stop6h 42m
$354
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Maryland
Have a flexible travel schedule? Discover the best time to fly to Maryland from Colorado with our price prediction graph.
DEN-PHL
DEN-BWI
COS-PHL
DEN-DCA
ASE-PHL
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 Colorado to Maryland
USCO-USMD
DEN-PHL
DEN-BWI
COS-PHL
DEN-DCA
What is the cheapest month to book a flight from Colorado to Maryland?
Currently, October is the cheapest month in which you can book a flight from Colorado to Maryland (average of $80). Flying from Colorado to Maryland in May is currently the most expensive (average of $200). 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 CO to MD?
Find hourly flight availability from Colorado to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2026.
One of the essential ways to save on airfare from Colorado to Maryland is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 34% on airfare.
Weekly flight availability from Colorado to Maryland
Explore weekly flight availability from Colorado to Maryland. 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 June 16, 2026.
The most flights from USCO to USMD are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Colorado to Maryland?
How far ahead should I book a flight from Colorado to Maryland?
To ensure you get the cheapest price possible for a flight from Colorado to Maryland, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Colorado to Maryland?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Maryland. Price data was last updated on June 13, 2026.
Travelers seeking maximum savings on their Colorado to Maryland flight should consider departing on Saturday 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.
Reviews of airlines servicing Maryland
Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated June 16, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Colorado to Maryland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Colorado to Maryland. 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 Colorado to Maryland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Maryland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Maryland by cabin class
Find flights from Colorado to Maryland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Maryland flights
Browse other Colorado and Maryland flight options. Last updated on June 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Maryland
Find the right flight back to Colorado after your stay in Maryland
Colorado to Maryland flights
Consider these flights traveling from Colorado to Maryland.
Top 5 airlines flying from Colorado to Maryland
Discover the top 5 airlines that operate flights from Colorado to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$536 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$221 | Average$523 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$485 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$236 | Average$383 | FlexibilityNo cancel fee | On-timeN/A |