$48+ Cheap flights from Colorado to Oregon
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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Colorado to Oregon with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Colorado to OregonExplore the most affordable flight options available from Colorado to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Colorado to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Sun 3/19:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 3/512:38 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/12![Frontier logo]()
$102
This Frontier deal was found by Cheapflights users on 2/11. 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 3/269:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 2/11![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 2/13. 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 2/229:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 3/512:38 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/13![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 2/209:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 3/512:38 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/13![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 2/13. 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 2/229:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/812:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/13![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 2/10. 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.
Thu 3/199:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/2912:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/10![Frontier logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Sun 3/812:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/11![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Sun 3/159:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 3/1912:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/12![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 2/11. 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.
Sun 3/229:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Fri 3/2712:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/11![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 2/13. 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 2/229:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Fri 2/2711:56 am
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/13![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Wed 4/86:03 pm
DEN
- PDX
Nonstop2h 49m
Multiple Airlines
Sat 4/1812:27 pm
PDX
- DEN
Nonstop2h 40m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$118
This CheapOair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Sun 5/1712:52 pm
PDX
- DEN
1 stop19h 13m
Frontier
Deal found 2/10![Frontier logo]()
$119
Best flights from Colorado to OregonDiscover carefully curated flight deals from Colorado to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Colorado to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/12. 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 4/211:40 pm
DEN
- PDX
1 stop5h 27m
United Airlines
Tue 4/285:00 am
PDX
- DEN
Nonstop2h 38m
United Airlines
Deal found 2/12![United Airlines logo]()
$143
This Alaska Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:03 pm
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Tue 4/72:47 pm
PDX
- DEN
Nonstop2h 41m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 3/255:30 am
DEN
- PDX
1 stop4h 34m
Delta
Sat 3/285:45 am
PDX
- DEN
1 stop4h 41m
Delta
Deal found 2/10![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 3/108:35 am
DEN
- PDX
Nonstop2h 40m
Southwest
Tue 3/177:10 am
PDX
- DEN
1 stop9h 00m
Southwest
Deal found 2/10![Southwest logo]()
$163
This American Airlines deal was found by Cheapflights users on 2/11. 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 2/277:18 am
GJT
- BOI
1 stop4h 52m
American Airlines
Tue 3/312:40 pm
BOI
- GJT
1 stop5h 40m
American Airlines
Deal found 2/11![American Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 7/79:15 am
DEN
- BOI
Nonstop2h 01m
Multiple Airlines
Sat 7/184:25 pm
BOI
- DEN
1 stop5h 14m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 4/76:03 pm
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Tue 4/147:15 am
PDX
- DEN
1 stop9h 09m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 2/11. 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 4/176:25 pm
DEN
- PDX
1 stop6h 28m
Delta
Sat 4/255:59 pm
PDX
- DEN
1 stop4h 51m
Delta
Deal found 2/11![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 5/136:05 am
DEN
- PDX
1 stop5h 39m
Delta
Sat 5/165:51 pm
PDX
- DEN
1 stop5h 01m
Delta
Deal found 2/10![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 2/11. 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 3/214:05 pm
DEN
- PDX
Nonstop2h 40m
Southwest
Sun 3/295:30 pm
PDX
- DEN
1 stop6h 10m
Southwest
Deal found 2/11![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 3/126:15 pm
DEN
- PDX
1 stop6h 39m
Delta
Tue 3/175:45 am
PDX
- DEN
1 stop4h 48m
Delta
Deal found 2/11![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/67:18 pm
DEN
- RDM
Nonstop2h 40m
United Airlines
Sun 5/105:00 am
RDM
- DEN
Nonstop2h 33m
United Airlines
Deal found 2/10![United Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/267:18 am
GJT
- BOI
1 stop4h 52m
American Airlines
Tue 3/36:38 am
BOI
- GJT
1 stop4h 54m
American Airlines
Deal found 2/11![American Airlines logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 7/306:56 pm
DEN
- PDX
Nonstop2h 53m
Alaska Airlines
Fri 8/72:30 pm
PDX
- DEN
Nonstop2h 46m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 2/11. 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 3/136:15 pm
DEN
- PDX
1 stop6h 39m
Delta
Tue 3/175:45 am
PDX
- DEN
1 stop4h 48m
Delta
Deal found 2/11![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 2/11. 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 5/297:36 pm
DEN
- RDM
Nonstop2h 35m
United Airlines
Sat 6/65:00 am
RDM
- DEN
Nonstop2h 27m
United Airlines
Deal found 2/11![United Airlines logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 5/208:00 am
DEN
- RDM
1 stop4h 33m
Alaska Airlines
Mon 6/112:54 pm
RDM
- DEN
1 stop4h 25m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$209
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/55:30 am
GJT
- BOI
1 stop4h 36m
United Airlines
Sat 3/75:31 pm
BOI
- GJT
1 stop4h 51m
United Airlines
Deal found 2/12![United Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 3/55:30 am
DEN
- PDX
1 stop4h 45m
Delta
Sun 3/85:36 pm
PDX
- DEN
1 stop4h 53m
Delta
Deal found 2/11![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 2/11. 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.
Fri 3/68:35 am
DEN
- BOI
Nonstop1h 55m
Southwest
Sun 3/87:25 am
BOI
- DEN
Nonstop1h 55m
Southwest
Deal found 2/11![Southwest logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/47:40 am
DEN
- RDM
1 stop15h 51m
Alaska Airlines
Tue 3/107:26 pm
RDM
- DEN
1 stop15h 48m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:13 pm
COS
- PDX
1 stop7h 41m
American Airlines
Tue 5/56:00 am
PDX
- COS
1 stop9h 23m
American Airlines
Deal found 2/10![American Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
COS
- PDX
1 stop4h 54m
United Airlines
Tue 3/175:05 am
PDX
- COS
1 stop4h 56m
United Airlines
Deal found 2/9![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 3/108:35 am
DEN
- BOI
Nonstop1h 55m
Southwest
Tue 3/101:25 pm
BOI
- DEN
1 stop9h 35m
Southwest
Deal found 2/10![Southwest logo]()
$243
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/412:10 pm
COS
- PDX
1 stop4h 47m
Delta
Tue 4/75:45 am
PDX
- COS
1 stop4h 39m
Delta
Deal found 2/9![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:50 pm
DEN
- MFR
Nonstop2h 47m
United Airlines
Sat 4/255:00 am
MFR
- DEN
Nonstop2h 37m
United Airlines
Deal found 2/9![United Airlines logo]()
$219
This Expedia deal was found by Cheapflights users on 2/12. 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.
Fri 5/296:41 pm
DEN
- MFR
1 stop5h 12m
Alaska Airlines
Tue 6/27:25 pm
MFR
- DEN
1 stop14h 24m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 2/11. 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 4/228:15 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Sat 4/254:50 pm
BOI
- DEN
1 stop5h 25m
Southwest
Deal found 2/11![Southwest logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 4/77:24 pm
DEN
- MFR
1 stop5h 35m
Alaska Airlines
Sat 4/1112:31 pm
MFR
- DEN
1 stop4h 57m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:10 pm
COS
- PDX
2 stops9h 49m
Delta
Thu 4/25:45 am
PDX
- COS
1 stop4h 39m
Delta
Deal found 2/9![Delta logo]()
$202
Last-minute flights from Colorado to OregonDiscover last-minute flight deals from Colorado to Oregon. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Oregon. Data last updated February 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Sun 3/19:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 3/512:38 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/12![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/511:38 am
DEN
- PDX
Nonstop3h 00m
Multiple Airlines
Fri 3/612:04 pm
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:43 pm
DEN
- PDX
1 stop14h 09m
Frontier
Sun 3/812:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/10![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Sun 3/812:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/10![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Sun 3/159:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 3/1912:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/12![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Fri 3/2712:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/12![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 2/10. 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.
Thu 3/199:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/2912:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/10![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 2/10. 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.
Thu 3/199:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/2212:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/10![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 2/11. 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.
Sun 3/229:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Fri 3/2712:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/11![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:03 pm
DEN
- PDX
Nonstop2h 49m
Multiple Airlines
Mon 3/3012:04 pm
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:03 pm
DEN
- PDX
Nonstop2h 49m
Multiple Airlines
Fri 4/311:58 am
PDX
- DEN
Nonstop2h 38m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$124
This Frontier deal was found by Cheapflights users on 2/11. 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 3/269:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 4/212:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 2/11![Frontier logo]()
$103
One-way flights from Colorado to OregonSearch for one-way flight options from Colorado to Oregon. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Colorado to Oregon. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Sun 3/299:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/12![Frontier logo]()
$48
This Frontier deal was found by Cheapflights users on 2/12. 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 3/59:41 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/12![Frontier logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Thu 4/99:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/13![Frontier logo]()
$53
This Frontier deal was found by Cheapflights users on 2/13. 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.
Fri 2/279:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/13![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 4/59:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/13![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/139:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 2/11![Frontier logo]()
$63
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/209:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/11![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 4/39:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 2/11![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/129:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/10![Frontier logo]()
$66
This Expedia deal was found by Cheapflights users on 2/10. 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.
Thu 3/199:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/10![Frontier logo]()
$67
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:03 pm
DEN
- PDX
Nonstop2h 49m
Hawaiian Airlines
Deal found 2/12![Hawaiian Airlines logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Sun 5/179:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/12![Frontier logo]()
$68
Find flight deals from Colorado to Oregon
Keep the following information in mind while searching for Colorado to Oregon flight deals. Data was last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $102 (Kiwi.com) |
One-way from | $48 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $217 |
Good round-trip deal | $157 or less |
Good one-way deal | $106 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Oregon 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 February 13, 2026.
Use the filters below to find and compare flights from Colorado to Oregon that are best for you.
Fly from
Colorado
Fly to
Oregon
Route
Depart
Return
Price
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 4/21
1:40 pm-6:07 pm
1 stop5h 27m
Portland
Tue 4/28
5:00 am-8:38 am
Nonstop2h 38m
$143
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Thu 4/2
6:03 pm-7:52 pm
Nonstop2h 49m
Portland
Tue 4/7
2:47 pm-6:28 pm
Nonstop2h 41m
$147
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 4/7
6:03 pm-7:52 pm
Nonstop2h 49m
Portland
Tue 4/14
7:15 am-5:24 pm
1 stop9h 09m
$147
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 3/25
5:30 am-9:04 am
1 stop4h 34m
Portland
Sat 3/28
5:45 am-11:26 am
1 stop4h 41m
$157
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 3/10
8:35 am-10:15 am
Nonstop2h 40m
Portland
Tue 3/17
7:10 am-5:10 pm
1 stop9h 00m
$163
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Fri 4/17
6:25 pm-11:53 pm
1 stop6h 28m
Portland
Sat 4/25
5:59 pm-11:50 pm
1 stop4h 51m
$167
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 5/13
6:05 am-10:44 am
1 stop5h 39m
Portland
Sat 5/16
5:51 pm-11:52 pm
1 stop5h 01m
$167
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Thu 3/12
6:15 pm-11:54 pm
1 stop6h 39m
Portland
Tue 3/17
5:45 am-11:33 am
1 stop4h 48m
$167
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Fri 3/13
6:15 pm-11:54 pm
1 stop6h 39m
Portland
Tue 3/17
5:45 am-11:33 am
1 stop4h 48m
$167
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Thu 3/5
5:30 am-9:15 am
1 stop4h 45m
Portland
Sun 3/8
5:36 pm-11:29 pm
1 stop4h 53m
$177
Showing 1-10 of 60 results
Best time to book a flight from Colorado to Oregon
Have a flexible travel schedule? Discover the best time to fly to Oregon from Colorado with our price prediction graph.
DEN-BOI
DEN-PDX
COS-PDX
DEN-MFR
DEN-RDM
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 Oregon
USCO-USOR
DEN-BOI
DEN-PDX
COS-PDX
DEN-MFR
What is the cheapest month to book a flight from Colorado to Oregon?
Currently, December is the cheapest month in which you can book a flight from Colorado to Oregon (average of $54). Flying from Colorado to Oregon in August is currently the most expensive (average of $99). 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 OR?
Find hourly flight availability from Colorado to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 13, 2026.
One of the essential ways to save on airfare from Colorado to Oregon is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.
What is the cheapest day to fly from Colorado to Oregon?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Oregon. Price data was last updated on February 7, 2026.
Travelers seeking maximum savings on their Colorado to Oregon flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Colorado to Oregon
Explore weekly flight availability from Colorado to Oregon. 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 February 13, 2026.
The most flights from USCO to USOR are scheduled on a Thursday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
Reviews of airlines servicing Oregon
Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated February 13, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian Airlines from Colorado to Oregon by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Boarding
8.1
Overall
8.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Colorado to Oregon. 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 Oregon
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oregon by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Oregon by cabin class
Find flights from Colorado to Oregon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Oregon flights
Browse other Colorado and Oregon flight options. Last updated on February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Oregon
Find the right flight back to Colorado after your stay in Oregon
Colorado to Oregon flights
Consider these flights traveling from Colorado to Oregon.
Top 7 airlines flying from Colorado to Oregon
Discover the top 7 airlines that operate flights from Colorado to Oregon. 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$258 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$94 | Average$260 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$295 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$365 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$210 | Average$365 | FlexibilityNo cancel fee | On-time71% |