$76+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Jul 29 — Aug 51
Round-trip
1 adult, Economy
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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 June 29, 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 June 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/610:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Tue 8/111:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/25![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 6/24. 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.
Thu 9/249:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Tue 9/2912:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Deal found 6/24![Frontier logo]()
$172
This Priceline deal was found by Cheapflights users on 6/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Wed 7/294:27 pm
BOI
- DEN
1 stop7h 32m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$190
This Travelocity deal was found by Cheapflights users on 6/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:08 pm
DEN
- PDX
1 stop26h 31m
Frontier
Tue 9/293:22 pm
PDX
- DEN
Nonstop2h 36m
Frontier
Deal found 6/24![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 6/26. 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.
Tue 8/410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Thu 8/131:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/26![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Wed 8/510:39 pm
DEN
- PDX
1 stop13h 56m
Frontier
Wed 8/125:21 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/24![Frontier logo]()
$207
This Travelocity deal was found by Cheapflights users on 6/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Tue 8/114:35 pm
BOI
- DEN
1 stop6h 10m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 8/1210:39 pm
DEN
- PDX
1 stop13h 56m
Frontier
Tue 8/185:56 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/28![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 6/24. 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.
Thu 8/610:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Sun 8/91:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/24![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Wed 8/510:39 pm
DEN
- PDX
1 stop13h 56m
Frontier
Thu 8/1312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/24![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Wed 9/210:49 pm
DEN
- PDX
1 stop15h 03m
Frontier
Sun 9/612:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/27![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Wed 9/210:49 pm
DEN
- PDX
1 stop15h 03m
Frontier
Sat 9/512:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/27![Frontier logo]()
$211
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 June 29, 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 June 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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.
Sat 10/37:50 am
DEN
- BOI
1 stop5h 24m
Alaska Airlines
Tue 10/64:19 pm
BOI
- DEN
1 stop6h 02m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 8/17:35 pm
DEN
- BOI
1 stop4h 55m
Southwest
Sat 8/812:55 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Deal found 6/28![Southwest logo]()
$255
This Delta deal was found by Cheapflights users on 6/26. 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.
Sat 9/1210:45 am
DEN
- BOI
1 stop5h 29m
Delta
Sat 9/191:06 pm
BOI
- DEN
1 stop6h 34m
Delta
Deal found 6/26![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:23 pm
DEN
- MFR
Nonstop2h 46m
United Airlines
Wed 8/55:00 am
MFR
- DEN
Nonstop2h 33m
United Airlines
Deal found 6/24![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:54 pm
GJT
- PDX
1 stop5h 14m
American Airlines
Sun 7/195:20 am
PDX
- GJT
1 stop5h 11m
American Airlines
Deal found 6/28![American Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 8/278:08 am
DEN
- PDX
Nonstop2h 42m
Alaska Airlines
Sun 8/305:58 pm
PDX
- DEN
Nonstop2h 48m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:40 pm
DEN
- RDM
1 stop6h 04m
Delta
Wed 9/166:15 am
RDM
- DEN
1 stop5h 30m
Delta
Deal found 6/24![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 6/26. 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.
Wed 8/198:45 pm
DEN
- EUG
Nonstop2h 45m
Southwest
Tue 8/251:40 pm
EUG
- DEN
Nonstop2h 30m
Southwest
Deal found 6/26![Southwest logo]()
$291
This United Airlines deal was found by Cheapflights users on 6/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:15 am
DEN
- MFR
1 stop7h 49m
United Airlines
Sun 8/95:00 am
MFR
- DEN
Nonstop2h 33m
United Airlines
Deal found 6/26![United Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 9/88:08 am
DEN
- PDX
Nonstop2h 42m
Alaska Airlines
Sat 9/127:55 am
PDX
- DEN
1 stop12h 18m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 8/196:43 pm
DEN
- RDM
1 stop5h 15m
Delta
Thu 8/2712:31 pm
RDM
- DEN
1 stop6h 30m
Delta
Deal found 6/28![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 6/26. 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.
Tue 8/45:00 pm
DEN
- BOI
1 stop6h 20m
Southwest
Fri 8/149:05 am
BOI
- DEN
2 stops6h 30m
Southwest
Deal found 6/26![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/207:30 pm
DEN
- MFR
Nonstop2h 46m
United Airlines
Tue 7/286:35 pm
MFR
- DEN
1 stop5h 12m
United Airlines
Deal found 6/28![United Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 8/156:02 am
DEN
- EUG
1 stop7h 59m
Alaska Airlines
Mon 8/247:10 am
EUG
- DEN
1 stop28h 10m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$292
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:40 am
DEN
- MFR
1 stop5h 22m
United Airlines
Sun 10/185:00 am
MFR
- DEN
Nonstop2h 36m
United Airlines
Deal found 6/24![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 6/25. 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.
Sun 8/236:15 am
DEN
- BOI
1 stop7h 30m
Southwest
Wed 8/262:20 pm
BOI
- DEN
2 stops7h 00m
Southwest
Deal found 6/25![Southwest logo]()
$306
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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.
Mon 7/207:09 pm
DEN
- PDX
1 stop5h 35m
Delta
Sat 7/255:45 am
PDX
- DEN
1 stop5h 02m
Delta
Deal found 6/28![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 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 6/27![Alaska Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/227:09 pm
DEN
- PDX
1 stop5h 35m
Delta
Tue 7/281:15 pm
PDX
- DEN
1 stop5h 46m
Delta
Deal found 6/28![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/27. 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 10/16:03 pm
COS
- PDX
1 stop5h 50m
United Airlines
Thu 10/84:07 pm
PDX
- COS
1 stop4h 59m
United Airlines
Deal found 6/27![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 6/27. 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 7/254:10 pm
DEN
- EUG
2 stops6h 45m
Southwest
Sat 8/12:45 pm
EUG
- DEN
1 stop5h 30m
Southwest
Deal found 6/27![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 6/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:40 am
DEN
- PDX
1 stop3h 57m
Delta
Fri 7/315:50 pm
PDX
- DEN
1 stop4h 54m
Delta
Deal found 6/25![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/196:00 am
DEN
- RDM
1 stop7h 12m
United Airlines
Tue 7/283:51 pm
RDM
- DEN
1 stop6h 52m
United Airlines
Deal found 6/28![United Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:20 pm
COS
- PDX
1 stop5h 55m
Southwest
Sun 8/307:40 am
PDX
- COS
1 stop7h 20m
Southwest
Deal found 6/28![Southwest logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 10/203:04 pm
DEN
- MFR
1 stop4h 41m
Alaska Airlines
Wed 10/212:50 pm
MFR
- DEN
1 stop5h 46m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/26. 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.
Wed 7/2212:45 pm
DEN
- PDX
1 stop6h 33m
Delta
Sat 8/15:45 am
PDX
- DEN
1 stop5h 02m
Delta
Deal found 6/26![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 8/66:00 am
DEN
- EUG
1 stop7h 01m
United Airlines
Tue 8/115:00 am
EUG
- DEN
Nonstop2h 40m
United Airlines
Deal found 6/25![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 6/27. 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.
Mon 7/278:35 pm
DEN
- BOI
1 stop4h 40m
Southwest
Mon 8/35:25 am
BOI
- DEN
2 stops8h 20m
Southwest
Deal found 6/27![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 10/66:44 pm
DEN
- PDX
1 stop6h 15m
Delta
Mon 10/125:49 pm
PDX
- DEN
1 stop5h 02m
Delta
Deal found 6/28![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 8/86:00 am
DEN
- EUG
1 stop9h 00m
Alaska Airlines
Fri 8/145:43 pm
EUG
- DEN
1 stop5h 16m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$339
Last-minute flights from Colorado to OregonDiscover last-minute flight deals from Colorado to Oregon. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Oregon. Data last updated June 29, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 6/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/82:55 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Wed 7/155:21 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/24![Frontier logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/133:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Mon 7/2012:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/28![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/142:50 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Wed 7/225:21 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/26![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Tue 7/142:50 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Thu 7/2312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/25![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/152:55 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Wed 7/225:21 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/28![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/152:55 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Tue 7/215:16 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/25![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Sun 7/193:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Sat 7/2512:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/25![Frontier logo]()
$224
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Thu 7/301:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/25![Frontier logo]()
$218
This Expedia deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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.
Sun 7/2610:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Sun 8/21:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/28![Frontier logo]()
$228
This Priceline deal was found by Cheapflights users on 6/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:29 am
DEN
- BOI
Nonstop2h 00m
Multiple Airlines
Wed 7/294:27 pm
BOI
- DEN
1 stop7h 32m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$190
This Priceline deal was found by Cheapflights users on 6/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:02 am
DEN
- BOI
1 stop8h 05m
Alaska Airlines
Wed 7/294:27 pm
BOI
- DEN
1 stop7h 32m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Fri 7/313:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Wed 8/55:21 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/24![Frontier logo]()
$232
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 June 29, 2026.
Search for one-way flight options from Colorado to Oregon. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Tue 7/1410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/24![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 6/25. 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 Frontier 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
Frontier
Deal found 6/25![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 6/26. 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.
Tue 9/229:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Deal found 6/26![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 6/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/25![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 6/24. 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.
Thu 9/39:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/24![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/3010:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/29![Frontier logo]()
$104
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/296:02 am
DEN
- BOI
1 stop6h 45m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$113
This Booking.com deal was found by Cheapflights users on 6/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/25![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Wed 9/2310:29 pm
DEN
- PDX
1 stop16h 58m
Frontier
Deal found 6/24![Frontier logo]()
$118
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:28 pm
DEN
- BOI
Nonstop2h 01m
United Airlines
Deal found 6/24![United Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Wed 8/197:25 am
DEN
- PDX
1 stop29h 10m
Frontier
Deal found 6/24![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Sat 8/12:45 pm
DEN
- PDX
1 stop28h 03m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$125
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 June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $169 (Kiwi.com) |
One-way from | $76 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $307 |
Good round-trip deal | $270 or less |
Good one-way deal | $170 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 June 29, 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 10/3
7:50 am-1:14 pm
1 stop5h 24m
Boise Air Term. Gowen Fld
Tue 10/6
4:19 pm-10:21 pm
1 stop6h 02m
$225
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Sat 8/1
7:35 pm-12:30 am
1 stop4h 55m
Boise Air Term. Gowen Fld
Sat 8/8
12:55 pm-2:45 pm
Nonstop1h 50m
$255
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Sat 9/12
10:45 am-4:14 pm
1 stop5h 29m
Boise Air Term. Gowen Fld
Sat 9/19
1:06 pm-7:40 pm
1 stop6h 34m
$265
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Thu 8/27
8:08 am-9:50 am
Nonstop2h 42m
Portland
Sun 8/30
5:58 pm-9:46 pm
Nonstop2h 48m
$287
DenverMedford
DEN - MFR
DENMFR
Denver Intl
Sat 8/1
7:23 pm-9:09 pm
Nonstop2h 46m
Medford
Wed 8/5
5:00 am-8:33 am
Nonstop2h 33m
$289
DenverRedmond
DEN - RDM
DENRDM
Denver Intl
Sat 9/12
1:40 pm-6:44 pm
1 stop6h 04m
Bend/Redmond
Wed 9/16
6:15 am-12:45 pm
1 stop5h 30m
$289
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 9/8
8:08 am-9:50 am
Nonstop2h 42m
Portland
Sat 9/12
7:55 am-9:13 pm
1 stop12h 18m
$289
DenverRedmond
DEN - RDM
DENRDM
Denver Intl
Wed 8/19
6:43 pm-10:58 pm
1 stop5h 15m
Bend/Redmond
Thu 8/27
12:31 pm-8:01 pm
1 stop6h 30m
$289
Quickest round-trip
DenverEugene
DEN - EUG
DENEUG
Denver Intl
Wed 8/19
8:45 pm-10:30 pm
Nonstop2h 45m
Eugene
Tue 8/25
1:40 pm-5:10 pm
Nonstop2h 30m
$291
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Tue 8/4
5:00 pm-11:20 pm
1 stop6h 20m
Boise Air Term. Gowen Fld
Fri 8/14
9:05 am-3:35 pm
2 stops6h 30m
$292
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-MFR
GJT-PDX
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
DEN-MFR
GJT-PDX
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 $29). Flying from Colorado to Oregon in February is currently the most expensive (average of $898). 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 June 29, 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 25% 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 June 29, 2026.
The most flights from USCO to USOR are scheduled on a Friday (24 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Colorado to Oregon?
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 June 20, 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.
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 June 29, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, 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.
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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.
Browse thousands of different options on Cheapflights for your next trip
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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 June 29, 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 June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$167 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$78 | Average$177 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$94 | Average$279 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$391 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$146 | Average$348 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$322 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$210 | Average$356 | FlexibilityNo cancel fee | On-time71% |