$54+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Oregon with Cheapflights
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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 July 27, 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 July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/248:08 am
DEN
- BOI
1 stop5h 13m
Multiple Airlines
Tue 9/11:24 pm
BOI
- DEN
Nonstop2h 06m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/2510:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Wed 9/21:32 pm
BOI
- DEN
1 stop5h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$172
This Expedia deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/1310:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Sun 8/161:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 7/23![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/249:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Sun 9/273:52 pm
BOI
- DEN
1 stop12h 00m
Frontier
Deal found 7/22![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:30 pm
DEN
- BOI
1 stop16h 27m
Frontier
Mon 10/193:52 pm
BOI
- DEN
1 stop12h 00m
Frontier
Deal found 7/26![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:23 am
DEN
- BOI
1 stop8h 34m
Frontier
Mon 10/193:52 pm
BOI
- DEN
1 stop12h 00m
Frontier
Deal found 7/26![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/309:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Thu 9/312:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 7/26![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/179:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Mon 9/213:52 pm
BOI
- DEN
1 stop8h 23m
Frontier
Deal found 7/22![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/147:30 am
DEN
- BOI
1 stop6h 25m
Frontier
Mon 9/212:50 pm
BOI
- DEN
1 stop21h 56m
Frontier
Deal found 7/26![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/248:08 am
DEN
- BOI
1 stop5h 13m
Multiple Airlines
Thu 9/312:24 pm
BOI
- DEN
Nonstop2h 06m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$187
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Mon 8/1710:00 am
DEN
- PDX
1 stop7h 54m
Frontier
Wed 8/265:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:23 am
DEN
- MFR
1 stop7h 21m
Multiple Airlines
Sun 10/2510:53 am
MFR
- DEN
1 stop15h 59m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$198
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 July 27, 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 July 27, 2026.
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/156:28 pm
DEN
- BOI
1 stop4h 18m
Delta
Tue 8/186:45 pm
BOI
- DEN
1 stop4h 10m
Delta
Deal found 7/23![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/1111:20 am
DEN
- BOI
2 stops7h 50m
Southwest
Wed 9/162:20 pm
BOI
- DEN
2 stops7h 05m
Southwest
Deal found 7/24![Southwest logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/228:08 am
DEN
- PDX
Nonstop2h 42m
Alaska Airlines
Tue 9/2911:48 am
PDX
- DEN
1 stop5h 22m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:40 am
DEN
- BOI
Nonstop1h 54m
United Airlines
Mon 9/285:30 pm
BOI
- DEN
Nonstop2h 01m
United Airlines
Deal found 7/27![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
DEN
- PDX
1 stop7h 20m
Southwest
Tue 10/205:45 am
PDX
- DEN
1 stop4h 50m
Southwest
Deal found 7/27![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/226:00 am
DEN
- PDX
1 stop5h 40m
Delta
Tue 9/2911:20 am
PDX
- DEN
1 stop5h 13m
Delta
Deal found 7/26![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/263:00 pm
DEN
- BOI
1 stop5h 33m
Alaska Airlines
Fri 8/284:28 pm
BOI
- DEN
1 stop5h 18m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/2410:00 pm
DEN
- PDX
Nonstop2h 45m
Southwest
Wed 9/305:50 am
PDX
- DEN
1 stop4h 55m
Southwest
Deal found 7/25![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 9/161:40 pm
DEN
- PDX
1 stop7h 22m
Delta
Sat 9/193:21 pm
PDX
- DEN
1 stop7h 26m
Delta
Deal found 7/27![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/127:40 am
DEN
- BOI
Nonstop1h 54m
United Airlines
Sat 9/192:41 pm
BOI
- DEN
Nonstop2h 01m
United Airlines
Deal found 7/22![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 10/612:31 pm
DEN
- PDX
1 stop9h 09m
Alaska Airlines
Mon 10/126:03 pm
PDX
- DEN
Nonstop2h 33m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/51:35 pm
DEN
- PDX
2 stops7h 25m
Southwest
Sun 9/67:30 pm
PDX
- DEN
Nonstop2h 30m
Southwest
Deal found 7/22![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/2510:45 am
DEN
- PDX
1 stop6h 20m
Delta
Fri 10/25:49 pm
PDX
- DEN
1 stop4h 58m
Delta
Deal found 7/26![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 pm
DEN
- RDM
Nonstop2h 36m
United Airlines
Mon 10/262:00 pm
RDM
- DEN
1 stop5h 00m
United Airlines
Deal found 7/22![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 10/115:20 am
DEN
- PDX
1 stop4h 30m
Delta
Thu 10/155:49 pm
PDX
- DEN
1 stop5h 06m
Delta
Deal found 7/26![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:05 am
DEN
- PDX
2 stops7h 20m
Southwest
Sat 9/51:35 pm
PDX
- DEN
2 stops8h 15m
Southwest
Deal found 7/23![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/197:30 pm
DEN
- EUG
Nonstop2h 47m
United Airlines
Wed 8/265:00 am
EUG
- DEN
Nonstop2h 40m
United Airlines
Deal found 7/22![United Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/257:08 pm
DEN
- BOI
1 stop14h 44m
Alaska Airlines
Mon 8/311:32 pm
BOI
- DEN
2 stops10h 24m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 10/145:30 am
DEN
- PDX
1 stop4h 21m
Delta
Mon 10/193:31 pm
PDX
- DEN
1 stop7h 20m
Delta
Deal found 7/22![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:10 pm
DEN
- PDX
2 stops7h 55m
Southwest
Mon 10/511:35 pm
PDX
- DEN
1 stop7h 10m
Southwest
Deal found 7/23![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/511:15 am
DEN
- EUG
Nonstop2h 40m
United Airlines
Mon 9/75:00 am
EUG
- DEN
Nonstop2h 40m
United Airlines
Deal found 7/25![United Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/37:08 pm
DEN
- EUG
1 stop4h 33m
Alaska Airlines
Sun 9/67:10 am
EUG
- DEN
1 stop11h 16m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/2811:15 am
DEN
- RDM
Nonstop2h 35m
United Airlines
Sun 8/305:00 am
RDM
- DEN
Nonstop2h 32m
United Airlines
Deal found 7/27![United Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/311:20 am
DEN
- BOI
2 stops7h 50m
Southwest
Mon 9/73:55 pm
BOI
- DEN
1 stop7h 50m
Southwest
Deal found 7/26![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/156:28 pm
DEN
- BOI
1 stop4h 18m
Delta
Sun 8/166:00 am
BOI
- DEN
1 stop3h 14m
Delta
Deal found 7/23![Delta logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 11/127:50 am
DEN
- EUG
1 stop8h 32m
Alaska Airlines
Tue 11/175:28 am
EUG
- DEN
1 stop7h 47m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/47:22 pm
DEN
- MFR
Nonstop2h 46m
United Airlines
Tue 9/156:00 am
MFR
- DEN
1 stop5h 36m
United Airlines
Deal found 7/25![United Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/126:28 pm
DEN
- BOI
1 stop5h 31m
Delta
Sun 8/166:00 am
BOI
- DEN
1 stop3h 14m
Delta
Deal found 7/22![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/69:08 pm
DEN
- MFR
1 stop13h 43m
Alaska Airlines
Tue 8/113:52 pm
MFR
- DEN
1 stop4h 48m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/229:15 am
DEN
- EUG
Nonstop2h 35m
Southwest
Tue 8/251:40 pm
EUG
- DEN
Nonstop2h 30m
Southwest
Deal found 7/24![Southwest logo]()
$299
Last-minute flights from Colorado to OregonDiscover last-minute flight deals from Colorado to Oregon. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Oregon. Data last updated July 27, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/1310:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Sun 8/161:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 7/23![Frontier logo]()
$173
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/157:30 pm
DEN
- BOI
Nonstop2h 00m
Southwest
Tue 8/188:20 am
BOI
- DEN
Nonstop1h 50m
Southwest
Deal found 7/25![Southwest logo]()
$197
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/163:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Tue 9/153:22 pm
PDX
- DEN
Nonstop2h 36m
Frontier
Deal found 7/24![Frontier logo]()
$199
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Mon 8/1710:00 am
DEN
- PDX
1 stop7h 54m
Frontier
Wed 8/265:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/173:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Tue 8/255:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/1810:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Mon 8/248:25 pm
BOI
- DEN
1 stop14h 42m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$183
This Expedia deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/1810:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Fri 8/281:32 pm
BOI
- DEN
1 stop5h 00m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/203:28 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Mon 8/2412:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 7/27![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/248:08 am
DEN
- BOI
1 stop5h 13m
Multiple Airlines
Tue 9/11:24 pm
BOI
- DEN
Nonstop2h 06m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 8/248:08 am
DEN
- BOI
1 stop5h 13m
Multiple Airlines
Thu 9/312:24 pm
BOI
- DEN
Nonstop2h 06m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/2510:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Wed 9/21:32 pm
BOI
- DEN
1 stop5h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$172
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 8/309:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Thu 9/312:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 7/26![Frontier logo]()
$182
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 July 27, 2026.
Search for one-way flight options from Colorado to Oregon. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/39:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 7/26![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:19 am
DEN
- BOI
Nonstop2h 09m
Frontier
Deal found 7/24![Frontier logo]()
$66
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/229:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Deal found 7/24![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:30 pm
DEN
- BOI
1 stop16h 27m
Frontier
Deal found 7/22![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:23 am
DEN
- BOI
1 stop8h 34m
Frontier
Deal found 7/22![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” 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 9/287:30 am
DEN
- BOI
1 stop6h 25m
Frontier
Deal found 7/26![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/217:30 am
DEN
- BOI
1 stop6h 25m
Frontier
Deal found 7/24![Frontier logo]()
$95
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/198:32 pm
DEN
- BOI
Nonstop2h 08m
United Airlines
Deal found 7/27![United Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:38 pm
DEN
- BOI
1 stop20h 19m
Frontier
Deal found 7/25![Frontier logo]()
$100
This Trip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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.
Mon 10/57:30 am
DEN
- BOI
1 stop7h 27m
Frontier
Deal found 7/23![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 am
DEN
- BOI
1 stop6h 25m
Frontier
Deal found 7/25![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:30 pm
DEN
- EUG
1 stop16h 43m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$112
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 July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $171 (Kiwi.com) |
One-way from | $54 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $300 |
Good round-trip deal | $243 or less |
Good one-way deal | $161 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 July 27, 2026.
Use the filters below to find and compare flights from Colorado to Oregon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Sat 8/15
6:28 pm-10:46 pm
1 stop4h 18m
Boise Air Term. Gowen Fld
Tue 8/18
6:45 pm-10:55 pm
1 stop4h 10m
$217
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Fri 9/11
11:20 am-7:10 pm
2 stops7h 50m
Boise Air Term. Gowen Fld
Wed 9/16
2:20 pm-9:25 pm
2 stops7h 05m
$232
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 9/22
8:08 am-9:50 am
Nonstop2h 42m
Portland
Tue 9/29
11:48 am-6:10 pm
1 stop5h 22m
$232
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 10/17
6:00 am-12:20 pm
1 stop7h 20m
Portland
Tue 10/20
5:45 am-11:35 am
1 stop4h 50m
$232
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 9/22
6:00 am-10:40 am
1 stop5h 40m
Portland
Tue 9/29
11:20 am-5:33 pm
1 stop5h 13m
$237
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Thu 9/24
10:00 pm-11:45 pm
Nonstop2h 45m
Portland
Wed 9/30
5:50 am-11:45 am
1 stop4h 55m
$237
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 9/16
1:40 pm-8:02 pm
1 stop7h 22m
Portland
Sat 9/19
3:21 pm-11:47 pm
1 stop7h 26m
$237
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 9/5
1:35 pm-8:00 pm
2 stops7h 25m
Portland
Sun 9/6
7:30 pm-11:00 pm
Nonstop2h 30m
$242
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Wed 8/26
3:00 pm-8:33 pm
1 stop5h 33m
Boise Air Term. Gowen Fld
Fri 8/28
4:28 pm-9:46 pm
1 stop5h 18m
$252
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 10/6
12:31 pm-8:40 pm
1 stop9h 09m
Portland
Mon 10/12
6:03 pm-9:36 pm
Nonstop2h 33m
$252
Showing 1-10 of 60 resultsSorted by cheapest first
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
DEN-RDM
DEN-EUG
DEN-MFR
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
DEN-RDM
DEN-EUG
What is the cheapest month to book a flight from Colorado to Oregon?
Currently, January is the cheapest month in which you can book a flight from Colorado to Oregon (average of $230). Flying from Colorado to Oregon in June is currently the most expensive (average of $344). 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 July 27, 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 morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 26% on airfare.
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 July 27, 2026.
The most flights from USCO to USOR are scheduled on a Monday (25 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Colorado to Oregon?
Airfare is typical for this route at the moment.
Colorado to Oregon flights typically cost between $159 and $286 in August.The cheapest round-trip price found within the last 5 days was $198 on Frontier (Aug 17-Aug 26).
How far ahead should I book a flight from Colorado to Oregon?
To ensure you get the cheapest price possible for a flight from Colorado to Oregon, you should look to book at least 85 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 Oregon?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Oregon. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their Colorado to Oregon flight should consider departing on Wednesday 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.
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 July 27, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta 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.
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
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 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 July 27, 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 July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$78 | Average$177 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$136 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$385 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$148 | Average$320 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$308 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$396 | FlexibilityNo cancel fee | On-time71% |