$39+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Apr 27 — May 41
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 March 28, 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 March 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/1210:22 am
DEN
- BOI
Nonstop2h 05m
Frontier
Thu 6/111:04 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 3/25![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Sat 6/1312:26 pm
PDX
- DEN
Nonstop2h 42m
Frontier
Deal found 3/25![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:30 pm
DEN
- PDX
1 stop15h 20m
Frontier
Wed 4/2912:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 3/25![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Fri 5/1512:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 3/27![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 3/26. 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 5/73:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Mon 5/118:46 pm
PDX
- DEN
1 stop26h 23m
Frontier
Deal found 3/26![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 3/26. 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.
Wed 4/159:45 am
DEN
- PDX
Nonstop2h 53m
Frontier
Mon 4/2011:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/26![Frontier logo]()
$114
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:10 am
DEN
- PDX
Nonstop2h 52m
Frontier
Thu 4/1611:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/23![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/236:00 am
DEN
- PDX
1 stop6h 50m
Frontier
Mon 4/2711:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/25![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Sun 5/311:15 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/27![Frontier logo]()
$121
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:40 pm
DEN
- PDX
1 stop23h 10m
Frontier
Sat 4/2512:27 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 3/27![Frontier logo]()
$123
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:37 pm
DEN
- PDX
1 stop19h 22m
Frontier
Tue 4/2112:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 3/27![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 5/2610:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Thu 5/281:25 pm
BOI
- DEN
Nonstop2h 16m
Frontier
Deal found 3/26![Frontier logo]()
$149
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 March 28, 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 March 28, 2026.
This Southwest deal was found by Cheapflights users on 3/26. 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.
Sat 4/255:05 pm
DEN
- PDX
Nonstop2h 40m
Southwest
Sat 5/22:40 pm
PDX
- DEN
1 stop6h 25m
Southwest
Deal found 3/26![Southwest logo]()
$203
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 4/227:45 am
DEN
- BOI
Nonstop2h 09m
United Airlines
Mon 4/276:15 am
BOI
- DEN
Nonstop2h 03m
United Airlines
Deal found 3/26![United Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 3/28. 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 5/137:55 am
DEN
- PDX
1 stop5h 38m
Delta
Sat 5/165:51 pm
PDX
- DEN
1 stop5h 01m
Delta
Deal found 3/28![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:02 pm
DEN
- EUG
1 stop10h 52m
Alaska Airlines
Sat 5/27:39 am
EUG
- DEN
1 stop9h 46m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 3/23. 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 4/177:20 pm
COS
- PDX
1 stop6h 35m
Southwest
Sun 4/196:05 am
PDX
- COS
1 stop6h 05m
Southwest
Deal found 3/23![Southwest logo]()
$209
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 5/234:00 pm
DEN
- PDX
Nonstop2h 46m
United Airlines
Mon 5/255:00 am
PDX
- DEN
Nonstop2h 31m
United Airlines
Deal found 3/26![United Airlines logo]()
$220
This Southwest deal was found by Cheapflights users on 3/27. 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 6/15:20 pm
COS
- PDX
2 stops8h 05m
Southwest
Thu 6/45:00 pm
PDX
- COS
1 stop7h 20m
Southwest
Deal found 3/27![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 3/28. 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.
Sat 4/255:30 am
DEN
- PDX
1 stop4h 26m
Delta
Mon 5/45:30 am
PDX
- DEN
1 stop5h 47m
Delta
Deal found 3/28![Delta logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 5/26:00 am
DEN
- RDM
1 stop7h 58m
Alaska Airlines
Tue 5/51:52 pm
RDM
- DEN
1 stop6h 57m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 3/26. 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.
Mon 4/137:45 pm
DEN
- PDX
1 stop5h 11m
Delta
Sat 4/185:45 am
PDX
- DEN
1 stop4h 47m
Delta
Deal found 3/26![Delta logo]()
$254
This Southwest deal was found by Cheapflights users on 3/27. 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 4/252:20 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Mon 4/274:20 pm
BOI
- DEN
Nonstop1h 55m
Southwest
Deal found 3/27![Southwest logo]()
$231
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
DEN
- EUG
1 stop7h 01m
United Airlines
Wed 6/35:00 am
EUG
- DEN
Nonstop2h 37m
United Airlines
Deal found 3/23![United Airlines logo]()
$262
This Travelocity deal was found by Cheapflights users on 3/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:25 am
DEN
- MFR
1 stop8h 53m
Alaska Airlines
Fri 4/245:36 pm
MFR
- DEN
1 stop5h 23m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 3/26. 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 4/228:55 am
DEN
- BOI
2 stops7h 30m
Southwest
Mon 4/277:55 pm
BOI
- DEN
1 stop4h 30m
Southwest
Deal found 3/26![Southwest logo]()
$235
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/226:00 am
COS
- BOI
1 stop3h 54m
United Airlines
Sun 4/266:15 am
BOI
- COS
1 stop6h 21m
United Airlines
Deal found 3/24![United Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 3/23. 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.
Wed 6/246:41 pm
DEN
- PDX
1 stop6h 13m
Delta
Tue 6/309:30 am
PDX
- DEN
1 stop7h 16m
Delta
Deal found 3/23![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 4/256:00 am
DEN
- BOI
1 stop7h 52m
Alaska Airlines
Mon 4/272:22 pm
BOI
- DEN
2 stops21h 44m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 5/166:00 am
COS
- PDX
2 stops7h 34m
United Airlines
Tue 5/195:00 am
PDX
- COS
1 stop5h 05m
United Airlines
Deal found 3/27![United Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 3/24. 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.
Thu 7/236:30 am
DEN
- PDX
1 stop6h 13m
Delta
Wed 7/295:30 am
PDX
- DEN
1 stop5h 32m
Delta
Deal found 3/24![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 3/26. 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.
Mon 4/279:35 pm
DEN
- BOI
Nonstop1h 55m
Southwest
Tue 4/285:15 pm
BOI
- DEN
1 stop4h 15m
Southwest
Deal found 3/26![Southwest logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
DEN
- RDM
1 stop6h 29m
Alaska Airlines
Tue 4/2112:48 pm
RDM
- DEN
1 stop4h 40m
Alaska Airlines
Deal found 3/26![Alaska Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 3/28. 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.
Sun 6/216:30 am
DEN
- PDX
1 stop5h 09m
Delta
Tue 6/305:30 am
PDX
- DEN
1 stop5h 48m
Delta
Deal found 3/28![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 4/187:40 pm
DEN
- RDM
Nonstop2h 40m
United Airlines
Mon 4/2012:57 pm
RDM
- DEN
Nonstop2h 33m
United Airlines
Deal found 3/27![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 3/23. 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 4/226:45 am
DEN
- EUG
2 stops7h 15m
Southwest
Tue 4/285:30 am
EUG
- DEN
2 stops9h 05m
Southwest
Deal found 3/23![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/247:10 pm
DEN
- RDM
Nonstop2h 40m
United Airlines
Sun 4/265:00 am
RDM
- DEN
Nonstop2h 33m
United Airlines
Deal found 3/26![United Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 4/291:02 pm
DEN
- EUG
2 stops11h 57m
Alaska Airlines
Fri 5/15:42 pm
EUG
- DEN
1 stop23h 43m
Alaska Airlines
Deal found 3/25![Alaska Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 3/23. 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.
Thu 4/308:45 am
DEN
- EUG
Nonstop2h 45m
Southwest
Wed 5/611:20 am
EUG
- DEN
1 stop7h 40m
Southwest
Deal found 3/23![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 3/24. 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.
Wed 4/226:55 am
DEN
- RDM
1 stop5h 00m
Delta
Sun 4/265:41 pm
RDM
- DEN
1 stop5h 09m
Delta
Deal found 3/24![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/106:10 pm
GJT
- PDX
1 stop5h 44m
United Airlines
Tue 4/145:00 am
PDX
- GJT
1 stop4h 49m
United Airlines
Deal found 3/26![United Airlines logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/217:24 pm
DEN
- MFR
1 stop5h 35m
Alaska Airlines
Tue 4/283:40 pm
MFR
- DEN
2 stops19h 26m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$300
Last-minute flights from Colorado to OregonDiscover last-minute flight deals from Colorado to Oregon. Data last updated March 28, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Oregon. Data last updated March 28, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:10 am
DEN
- PDX
Nonstop2h 52m
Frontier
Thu 4/1611:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/23![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:10 am
DEN
- PDX
Nonstop2h 52m
Frontier
Tue 4/2112:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 3/25![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 3/26. 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.
Wed 4/159:45 am
DEN
- PDX
Nonstop2h 53m
Frontier
Mon 4/2011:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/26![Frontier logo]()
$114
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:37 pm
DEN
- PDX
1 stop19h 22m
Frontier
Tue 4/2112:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 3/27![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 3/27. 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.
Thu 4/169:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Sun 4/1911:53 am
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 3/27![Frontier logo]()
$154
This Frontier deal was found by Cheapflights users on 3/26. 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.
Mon 4/209:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Wed 4/2212:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 3/26![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:30 pm
DEN
- PDX
1 stop15h 20m
Frontier
Wed 4/2912:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 3/25![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:40 pm
DEN
- PDX
1 stop23h 10m
Frontier
Sat 4/2512:27 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 3/27![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/236:00 am
DEN
- PDX
1 stop6h 50m
Frontier
Mon 4/2711:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/25![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:49 am
DEN
- PDX
Nonstop2h 53m
Frontier
Mon 5/411:58 am
PDX
- DEN
Nonstop2h 38m
Frontier
Deal found 3/25![Frontier logo]()
$125
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
DEN
- BOI
1 stop6h 35m
Multiple Airlines
Tue 5/121:22 pm
BOI
- DEN
Nonstop2h 16m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2910:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Fri 5/1512:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 3/27![Frontier logo]()
$112
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 March 28, 2026.
Search for one-way flight options from Colorado to Oregon. Find affordable one-way fares based on user searches. Data last updated March 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 5/2610:25 am
DEN
- BOI
Nonstop2h 05m
Frontier
Deal found 3/26![Frontier logo]()
$39
This Priceline deal was found by Cheapflights users on 3/26. 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 Priceline 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 3/26![Frontier logo]()
$54
This Super.com deal was found by Cheapflights users on 3/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:24 am
DEN
- PDX
Nonstop2h 56m
Frontier
Deal found 3/27![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 6/233:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Deal found 3/26![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 3/25. 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.
Fri 6/263:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Deal found 3/25![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 3/27. 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.
Thu 4/236:00 am
DEN
- PDX
1 stop6h 50m
Frontier
Deal found 3/27![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Fri 4/249:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 3/27![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 3/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:30 pm
DEN
- PDX
1 stop15h 20m
Frontier
Deal found 3/25![Frontier logo]()
$75
This Delta deal was found by Cheapflights users on 3/26. 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 5/611:55 am
COS
- PDX
1 stop5h 12m
Delta
Deal found 3/26![Delta logo]()
$75
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:37 pm
DEN
- PDX
1 stop19h 22m
Frontier
Deal found 3/25![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sun 5/247:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 3/26![Frontier logo]()
$78
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Deal found 3/25![Frontier logo]()
$79
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 March 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $99 (Kiwi.com) |
One-way from | $39 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $257 |
Good round-trip deal | $172 or less |
Good one-way deal | $138 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 March 28, 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
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 4/25
5:05 pm-6:45 pm
Nonstop2h 40m
Portland
Sat 5/2
2:40 pm-10:05 pm
1 stop6h 25m
$203
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Wed 4/22
7:45 am-9:54 am
Nonstop2h 09m
Boise Air Term. Gowen Fld
Mon 4/27
6:15 am-8:18 am
Nonstop2h 03m
$209
Colorado SpringsPortland
COS - PDX
COSPDX
Colorado Springs
Fri 4/17
7:20 pm-12:55 am
1 stop6h 35m
Portland
Sun 4/19
6:05 am-1:10 pm
1 stop6h 05m
$209
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 5/23
4:00 pm-5:46 pm
Nonstop2h 46m
Portland
Mon 5/25
5:00 am-8:31 am
Nonstop2h 31m
$220
Colorado SpringsPortland
COS - PDX
COSPDX
Colorado Springs
Mon 6/1
5:20 pm-12:25 am
2 stops8h 05m
Portland
Thu 6/4
5:00 pm-1:20 am
1 stop7h 20m
$222
Quickest round-trip
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Sat 4/25
2:20 pm-4:15 pm
Nonstop1h 55m
Boise Air Term. Gowen Fld
Mon 4/27
4:20 pm-6:15 pm
Nonstop1h 55m
$231
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Wed 4/22
8:55 am-4:25 pm
2 stops7h 30m
Boise Air Term. Gowen Fld
Mon 4/27
7:55 pm-12:25 am
1 stop4h 30m
$235
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 5/13
7:55 am-12:33 pm
1 stop5h 38m
Portland
Sat 5/16
5:51 pm-11:52 pm
1 stop5h 01m
$237
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 4/25
5:30 am-8:56 am
1 stop4h 26m
Portland
Mon 5/4
5:30 am-12:17 pm
1 stop5h 47m
$247
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Mon 4/27
9:35 pm-11:30 pm
Nonstop1h 55m
Boise Air Term. Gowen Fld
Tue 4/28
5:15 pm-9:30 pm
1 stop4h 15m
$249
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-PDX
COS-PDX
DEN-MFR
DEN-BOI
DEN-EUG
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-PDX
COS-PDX
DEN-MFR
DEN-BOI
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 February is currently the most expensive (average of $137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from 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 March 28, 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 19% 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 March 28, 2026.
Travelers seeking maximum savings on their Colorado to Oregon flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday 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 March 28, 2026.
The most flights from USCO to USOR are scheduled on a Friday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Colorado to Oregon?
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 March 28, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 March 28, 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 March 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$87 | Average$238 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$98 | Average$266 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$385 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$146 | Average$293 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$332 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$210 | Average$390 | FlexibilityNo cancel fee | On-time71% |