$39+ Cheap flights from Oregon to Colorado
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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Apr 14 — Apr 211
Round-trip
1 adult, Economy
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Find cheap flights from Oregon to Colorado with Cheapflights
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Cheapest flights from Oregon to ColoradoExplore the most affordable flight options available from Oregon to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.
Explore the most affordable flight options available from Oregon to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.
This Super.com deal was found by Cheapflights users on 3/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:58 am
PDX
- DEN
Nonstop2h 38m
Frontier
Fri 4/179:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 3/11![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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 4/1512:28 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Tue 4/2110:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 3/11![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Fri 4/1711:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Sun 4/198:24 am
DEN
- PDX
Nonstop2h 56m
Frontier
Deal found 3/13![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Thu 4/169:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/11![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 8/133:12 pm
PDX
- DEN
Nonstop2h 44m
Frontier
Sun 8/169:25 am
DEN
- PDX
Nonstop2h 48m
Frontier
Deal found 3/10![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 3/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Sun 4/268:24 am
DEN
- PDX
Nonstop2h 56m
Frontier
Deal found 3/11![Frontier logo]()
$99
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Sat 5/29:49 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 3/11![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Mon 8/173:12 pm
PDX
- DEN
Nonstop2h 44m
Frontier
Tue 8/259:25 am
DEN
- PDX
Nonstop2h 48m
Frontier
Deal found 3/11![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Sun 4/129:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/10![Frontier logo]()
$107
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:45 pm
PDX
- DEN
Nonstop2h 44m
Multiple Airlines
Sun 4/268:24 am
DEN
- PDX
Nonstop2h 56m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$107
This Frontier deal was found by Cheapflights users on 3/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:12 pm
PDX
- DEN
Nonstop2h 44m
Frontier
Mon 8/249:25 am
DEN
- PDX
Nonstop2h 48m
Frontier
Deal found 3/11![Frontier logo]()
$108
This Booking.com deal was found by Cheapflights users on 3/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Sun 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/11![Frontier logo]()
$110
Best flights from Oregon to ColoradoDiscover carefully curated flight deals from Oregon to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 15, 2026.
Discover carefully curated flight deals from Oregon to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 15, 2026.
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/44:15 pm
PDX
- DEN
Nonstop2h 39m
United Airlines
Sun 4/59:05 pm
DEN
- PDX
Nonstop2h 49m
United Airlines
Deal found 3/11![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:30 pm
PDX
- DEN
1 stop8h 29m
Alaska Airlines
Wed 5/135:58 pm
DEN
- PDX
Nonstop2h 48m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 3/10. 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.
Sat 5/97:40 pm
PDX
- DEN
Nonstop2h 25m
Southwest
Tue 5/194:45 pm
DEN
- PDX
1 stop5h 00m
Southwest
Deal found 3/10![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 3/10. 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 4/185:59 pm
PDX
- DEN
1 stop4h 51m
Delta
Sat 4/256:27 pm
DEN
- PDX
1 stop5h 18m
Delta
Deal found 3/10![Delta logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:30 pm
PDX
- DEN
1 stop8h 29m
Alaska Airlines
Wed 5/61:02 pm
DEN
- PDX
1 stop8h 46m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 3/10. 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 5/96:15 am
MFR
- DEN
2 stops7h 43m
Delta
Sun 5/106:05 am
DEN
- MFR
1 stop7h 55m
Delta
Deal found 3/10![Delta logo]()
$210
This Delta deal was found by Cheapflights users on 3/14. 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.
Fri 4/176:05 pm
PDX
- DEN
1 stop4h 45m
Delta
Mon 4/206:27 pm
DEN
- PDX
1 stop6h 26m
Delta
Deal found 3/14![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Fri 9/43:43 pm
PDX
- DEN
1 stop6h 59m
United Airlines
Sun 9/67:40 am
DEN
- PDX
1 stop5h 27m
United Airlines
Deal found 3/10![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 3/10. 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 5/1111:35 am
PDX
- COS
1 stop6h 50m
Southwest
Tue 5/194:45 pm
COS
- PDX
1 stop7h 15m
Southwest
Deal found 3/10![Southwest logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:50 pm
MFR
- DEN
1 stop27h 06m
Alaska Airlines
Tue 4/217:00 am
DEN
- MFR
1 stop6h 45m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$241
This Southwest deal was found by Cheapflights users on 3/12. 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 5/294:55 pm
PDX
- DEN
1 stop6h 30m
Southwest
Sun 5/318:10 pm
DEN
- PDX
1 stop6h 05m
Southwest
Deal found 3/12![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Sun 4/125:00 am
RDM
- DEN
Nonstop2h 33m
United Airlines
Sat 4/183:55 pm
DEN
- RDM
1 stop8h 04m
United Airlines
Deal found 3/10![United Airlines logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 3/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:01 am
EUG
- DEN
1 stop14h 55m
Alaska Airlines
Mon 4/206:20 pm
DEN
- EUG
1 stop29h 10m
Alaska Airlines
Deal found 3/11![Alaska Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 3/12. 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 4/81:05 pm
BOI
- DEN
1 stop9h 55m
Southwest
Wed 4/151:45 pm
DEN
- BOI
2 stops9h 35m
Southwest
Deal found 3/12![Southwest logo]()
$258
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/275:00 am
PDX
- EGE
1 stop6h 28m
United Airlines
Tue 5/51:45 pm
EGE
- PDX
2 stops11h 48m
United Airlines
Deal found 3/10![United Airlines logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/285:17 am
EUG
- DEN
1 stop4h 33m
Alaska Airlines
Fri 5/17:06 pm
DEN
- EUG
2 stops17h 43m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 3/10. 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.
Thu 4/305:41 pm
RDM
- DEN
1 stop5h 09m
Delta
Sat 5/26:55 am
DEN
- RDM
1 stop5h 00m
Delta
Deal found 3/10![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Fri 9/114:07 pm
PDX
- COS
1 stop6h 42m
United Airlines
Tue 9/155:30 am
COS
- PDX
1 stop4h 51m
United Airlines
Deal found 3/13![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 3/10. 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.
Wed 6/101:05 pm
BOI
- DEN
1 stop6h 10m
Southwest
Fri 6/127:45 am
DEN
- BOI
Nonstop2h 00m
Southwest
Deal found 3/10![Southwest logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:29 pm
MFR
- DEN
1 stop7h 20m
Alaska Airlines
Mon 4/277:25 pm
DEN
- MFR
1 stop22h 34m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 3/14. 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.
Sun 5/105:25 pm
MFR
- DEN
1 stop5h 27m
Delta
Thu 5/146:05 am
DEN
- MFR
1 stop7h 55m
Delta
Deal found 3/14![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/1012:50 pm
MFR
- DEN
Nonstop2h 36m
United Airlines
Sun 4/127:50 pm
DEN
- MFR
Nonstop2h 47m
United Airlines
Deal found 3/11![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 3/10. 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 4/108:35 am
PDX
- DEN
2 stops6h 50m
Southwest
Tue 4/149:00 am
DEN
- PDX
1 stop5h 50m
Southwest
Deal found 3/10![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 3/11. 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 3/3111:22 am
RDM
- DEN
1 stop5h 08m
Delta
Fri 4/37:40 pm
DEN
- RDM
1 stop16h 02m
Delta
Deal found 3/11![Delta logo]()
$286
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 4/175:50 am
RDM
- DEN
1 stop28h 01m
Alaska Airlines
Tue 4/217:00 am
DEN
- RDM
1 stop6h 29m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/65:00 am
MFR
- DEN
Nonstop2h 38m
United Airlines
Wed 4/157:50 pm
DEN
- MFR
Nonstop2h 47m
United Airlines
Deal found 3/10![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 3/14. 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.
Thu 6/44:25 pm
BOI
- DEN
Nonstop1h 55m
Southwest
Mon 6/89:10 pm
DEN
- BOI
1 stop4h 35m
Southwest
Deal found 3/14![Southwest logo]()
$281
This Delta deal was found by Cheapflights users on 3/15. 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 4/412:35 pm
RDM
- DEN
1 stop6h 22m
Delta
Sat 4/115:30 am
DEN
- RDM
1 stop7h 22m
Delta
Deal found 3/15![Delta logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Sun 4/195:50 am
RDM
- DEN
1 stop17h 06m
Alaska Airlines
Thu 4/236:00 am
DEN
- RDM
1 stop18h 58m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 3/10. 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 3/305:00 am
RDM
- DEN
Nonstop2h 33m
United Airlines
Tue 4/147:36 pm
DEN
- RDM
Nonstop2h 40m
United Airlines
Deal found 3/10![United Airlines logo]()
$269
Last-minute flights from Oregon to ColoradoDiscover last-minute flight deals from Oregon to Colorado. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Colorado. Data last updated March 15, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 3/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Sun 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/11![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 3/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:58 am
PDX
- DEN
Nonstop2h 38m
Frontier
Mon 4/69:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 3/10![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Thu 4/169:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/11![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Sun 4/129:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 3/10![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 3/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:58 am
PDX
- DEN
Nonstop2h 38m
Frontier
Fri 4/179:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 3/11![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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 4/1512:28 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Tue 4/2110:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 3/11![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Fri 4/1711:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Sun 4/198:24 am
DEN
- PDX
Nonstop2h 56m
Frontier
Deal found 3/13![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/2112:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Wed 4/2210:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 3/13![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 3/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Sun 4/268:24 am
DEN
- PDX
Nonstop2h 56m
Frontier
Deal found 3/11![Frontier logo]()
$99
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:45 pm
PDX
- DEN
Nonstop2h 44m
Multiple Airlines
Sun 4/268:24 am
DEN
- PDX
Nonstop2h 56m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$107
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Sat 5/29:49 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 3/11![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 3/14. 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 4/2812:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Thu 4/309:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 3/14![Frontier logo]()
$106
One-way flights from Oregon to ColoradoSearch for one-way flight options from Oregon to Colorado. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
Search for one-way flight options from Oregon to Colorado. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/12![Frontier logo]()
$39
This Frontier deal was found by Cheapflights users on 3/13. 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.
Thu 4/912:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/13![Frontier logo]()
$40
This Frontier deal was found by Cheapflights users on 3/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/14![Frontier logo]()
$50
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sun 5/241:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 3/13![Frontier logo]()
$58
This Frontier deal was found by Cheapflights users on 3/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 3/11![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 6/412:21 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 3/10![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 3/13. 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.
Tue 6/912:21 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 3/13![Frontier logo]()
$73
This Frontier deal was found by Cheapflights users on 3/12. 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.
Thu 5/141:22 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 3/12![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 5/2112:21 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 3/10![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 3/13. 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.
Fri 4/311:58 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/13![Frontier logo]()
$78
This United Airlines deal was found by Cheapflights users on 3/10. 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 5/135:00 am
PDX
- DEN
Nonstop2h 38m
United Airlines
Deal found 3/10![United Airlines logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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.
Fri 5/89:53 am
PDX
- DEN
1 stop6h 56m
Frontier
Deal found 3/12![Frontier logo]()
$80
Find flight deals from Oregon to Colorado
Keep the following information in mind while searching for Oregon to Colorado flight deals. Data was last updated March 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $87 (Super.com) |
One-way from | $39 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $278 |
Good round-trip deal | $262 or less |
Good one-way deal | $141 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Oregon 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 2,558,603 searches. Data last updated March 15, 2026.
Use the filters below to find and compare flights from Oregon to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 4/4
4:15 pm-7:54 pm
Nonstop2h 39m
Denver Intl
Sun 4/5
9:05 pm-10:54 pm
Nonstop2h 49m
$157
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 5/5
2:30 pm-11:59 pm
1 stop8h 29m
Denver Intl
Wed 5/13
5:58 pm-7:46 pm
Nonstop2h 48m
$167
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 5/9
7:40 pm-11:05 pm
Nonstop2h 25m
Denver Intl
Tue 5/19
4:45 pm-8:45 pm
1 stop5h 00m
$167
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 5/5
2:30 pm-11:59 pm
1 stop8h 29m
Denver Intl
Wed 5/6
1:02 pm-8:48 pm
1 stop8h 46m
$177
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 4/18
5:59 pm-11:50 pm
1 stop4h 51m
Denver Intl
Sat 4/25
6:27 pm-10:45 pm
1 stop5h 18m
$207
MedfordDenver
MFR - DEN
MFRDEN
Medford
Sat 5/9
6:15 am-2:58 pm
2 stops7h 43m
Denver Intl
Sun 5/10
6:05 am-1:00 pm
1 stop7h 55m
$210
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 4/17
6:05 pm-11:50 pm
1 stop4h 45m
Denver Intl
Mon 4/20
6:27 pm-11:53 pm
1 stop6h 26m
$217
MedfordDenver
MFR - DEN
MFRDEN
Medford
Fri 4/17
7:50 pm-11:56 pm
1 stop27h 06m
Denver Intl
Tue 4/21
7:00 am-12:45 pm
1 stop6h 45m
$241
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 9/4
3:43 pm-11:42 pm
1 stop6h 59m
Denver Intl
Sun 9/6
7:40 am-12:07 pm
1 stop5h 27m
$242
EugeneDenver
EUG - DEN
EUGDEN
Eugene
Sat 4/18
8:01 am-11:56 pm
1 stop14h 55m
Denver Intl
Mon 4/20
6:20 pm-10:30 pm
1 stop29h 10m
$243
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Oregon to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Oregon with our price prediction graph.
PDX-DEN
BOI-DEN
MFR-DEN
PDX-COS
RDM-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 Oregon to Colorado
USOR-USCO
PDX-DEN
BOI-DEN
MFR-DEN
PDX-COS
What is the cheapest month to book a flight from Oregon to Colorado?
Currently, January is the cheapest month in which you can book a flight from Oregon to Colorado (average of $58). Flying from Oregon to Colorado in February is currently the most expensive (average of $137). 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 OR to CO?
Find hourly flight availability from Oregon 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 March 15, 2026.
A simple way to save on the total cost of your ticket is to fly from Oregon to Colorado in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Oregon to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Oregon to Colorado. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Oregon to Colorado flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Oregon to Colorado
Explore weekly flight availability from Oregon 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 March 15, 2026.
The most flights from USOR to USCO are scheduled on a Friday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
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 March 15, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Oregon to Colorado. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Oregon 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 Oregon to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Oregon to Colorado by cabin class
Find flights from Oregon to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oregon and Colorado flights
Browse other Oregon and Colorado flight options. Last updated on March 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Colorado
Find the right flight back to Oregon after your stay in Colorado
Oregon to Colorado flights
Consider these flights traveling from Oregon to Colorado.
Top 7 airlines flying from Oregon to Colorado
Discover the top 7 airlines that operate flights from Oregon 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 2,558,603 searches. Data last updated March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$153 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$271 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$94 | Average$247 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$287 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$139 | Average$394 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$378 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$228 | Average$359 | FlexibilityNo cancel fee | On-time71% |