$32+ Cheap flights from Colorado to Oregon
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Mar 9 — Mar 161
1 adult, Economy
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Find cheap flights from Colorado to Oregon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Oregon
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Cheapest flights from Colorado to OregonExplore the most affordable flight options available from Colorado to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.
Explore the most affordable flight options available from Colorado to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/812:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/3![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 2/269:41 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/111:56 am
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/5![Frontier logo]()
$98
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/129:41 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 2/2612:38 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/6![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/111:56 am
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/4![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/29:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Sun 4/512:03 pm
BOI
- DEN
Nonstop2h 03m
Frontier
Deal found 2/4![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/229:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 2/2612:38 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/5![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:38 am
DEN
- PDX
Nonstop3h 00m
Multiple Airlines
Fri 3/612:04 pm
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/169:10 am
DEN
- PDX
Nonstop2h 53m
Multiple Airlines
Tue 4/217:15 am
PDX
- DEN
1 stop9h 09m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/710:29 pm
DEN
- PDX
1 stop13h 23m
Frontier
Mon 3/912:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/4![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/610:40 pm
DEN
- PDX
1 stop10h 48m
Frontier
Mon 3/912:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/4![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Fri 3/2712:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/4![Frontier logo]()
$122
This Cheapflightsfares deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/291:35 pm
DEN
- PDX
1 stop23h 22m
Frontier
Wed 5/61:48 pm
PDX
- DEN
Nonstop2h 41m
Frontier
Deal found 2/4![Frontier logo]()
$123
Best flights from Colorado to OregonDiscover carefully curated flight deals from Colorado to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.
Discover carefully curated flight deals from Colorado to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/46:03 pm
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Sat 4/112:47 pm
PDX
- DEN
Nonstop2h 41m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:05 pm
DEN
- PDX
Nonstop2h 55m
United Airlines
Sat 3/144:07 pm
PDX
- DEN
Nonstop2h 33m
United Airlines
Deal found 2/6![United Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:30 pm
DEN
- PDX
1 stop7h 18m
Delta
Wed 3/115:36 pm
PDX
- DEN
1 stop4h 53m
Delta
Deal found 2/3![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/46:20 am
DEN
- PDX
1 stop6h 25m
Southwest
Sun 3/86:05 am
PDX
- DEN
Nonstop2h 30m
Southwest
Deal found 2/6![Southwest logo]()
$157
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:53 pm
GJT
- BOI
1 stop4h 45m
American Airlines
Tue 3/312:40 pm
BOI
- GJT
1 stop5h 40m
American Airlines
Deal found 2/4![American Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 4/46:15 pm
DEN
- PDX
1 stop5h 38m
Delta
Sat 4/115:45 am
PDX
- DEN
1 stop4h 41m
Delta
Deal found 2/3![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/59:05 pm
DEN
- PDX
Nonstop2h 49m
United Airlines
Thu 4/237:05 pm
PDX
- DEN
Nonstop2h 40m
United Airlines
Deal found 2/6![United Airlines logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Sun 3/17:05 am
PDX
- DEN
Nonstop2h 37m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:10 pm
DEN
- PDX
1 stop6h 30m
Southwest
Sun 3/156:05 am
PDX
- DEN
Nonstop2h 30m
Southwest
Deal found 2/4![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 3/76:20 pm
DEN
- PDX
1 stop5h 32m
Delta
Tue 3/105:45 am
PDX
- DEN
1 stop4h 48m
Delta
Deal found 2/3![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:00 am
DEN
- PDX
1 stop5h 35m
Delta
Fri 3/135:36 pm
PDX
- DEN
1 stop4h 53m
Delta
Deal found 2/6![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/67:50 am
DEN
- BOI
Nonstop2h 16m
United Airlines
Mon 3/95:31 pm
BOI
- DEN
Nonstop2h 09m
United Airlines
Deal found 2/6![United Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:35 am
DEN
- BOI
Nonstop1h 55m
Southwest
Mon 3/94:20 pm
BOI
- DEN
Nonstop1h 50m
Southwest
Deal found 2/6![Southwest logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 4/217:00 am
DEN
- BOI
1 stop8h 29m
Alaska Airlines
Sat 4/252:57 pm
BOI
- DEN
1 stop6h 52m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$200
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:55 am
COS
- PDX
2 stops9h 15m
Delta
Mon 3/91:10 pm
PDX
- COS
2 stops7h 55m
Delta
Deal found 2/4![Delta logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:16 pm
DEN
- RDM
1 stop6h 34m
Alaska Airlines
Tue 3/101:30 pm
RDM
- DEN
1 stop6h 53m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$209
This United Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 2/265:20 am
DEN
- RDM
1 stop7h 09m
United Airlines
Sun 3/15:10 am
RDM
- DEN
Nonstop2h 30m
United Airlines
Deal found 2/5![United Airlines logo]()
$215
This Delta deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/812:10 pm
COS
- PDX
2 stops9h 48m
Delta
Wed 3/115:02 pm
PDX
- COS
1 stop4h 03m
Delta
Deal found 2/5![Delta logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/106:45 pm
DEN
- MFR
2 stops19h 17m
Alaska Airlines
Sat 3/141:41 pm
MFR
- DEN
1 stop9h 18m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/85:15 pm
COS
- PDX
1 stop6h 45m
United Airlines
Wed 3/113:52 pm
PDX
- COS
1 stop7h 04m
United Airlines
Deal found 2/5![United Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/116:30 am
DEN
- EUG
1 stop5h 30m
Delta
Wed 4/226:30 am
EUG
- DEN
1 stop4h 43m
Delta
Deal found 2/4![Delta logo]()
$197
This Travelocity deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
Sat 5/91:02 pm
DEN
- MFR
1 stop10h 14m
Alaska Airlines
Sat 5/165:40 pm
MFR
- DEN
1 stop5h 19m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$218
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 4/165:15 am
DEN
- RDM
1 stop7h 40m
United Airlines
Sun 4/195:00 am
RDM
- DEN
Nonstop2h 33m
United Airlines
Deal found 2/3![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/136:25 pm
DEN
- EUG
1 stop6h 22m
Delta
Fri 4/2411:09 am
EUG
- DEN
1 stop6h 01m
Delta
Deal found 2/4![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/511:38 am
DEN
- MFR
1 stop5h 15m
Alaska Airlines
Thu 3/125:44 pm
MFR
- DEN
1 stop5h 15m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:15 am
DEN
- RDM
1 stop7h 40m
United Airlines
Sun 4/265:00 am
RDM
- DEN
Nonstop2h 33m
United Airlines
Deal found 2/6![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/117:40 pm
DEN
- EUG
1 stop5h 10m
Delta
Tue 4/215:44 pm
EUG
- DEN
1 stop5h 06m
Delta
Deal found 2/4![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/511:38 am
DEN
- MFR
1 stop5h 15m
Alaska Airlines
Mon 3/95:44 pm
MFR
- DEN
1 stop5h 15m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:25 am
DEN
- RDM
1 stop7h 46m
United Airlines
Sun 3/85:00 am
RDM
- DEN
Nonstop2h 30m
United Airlines
Deal found 2/4![United Airlines logo]()
$219
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/156:25 pm
DEN
- EUG
1 stop6h 22m
Delta
Fri 4/245:44 pm
EUG
- DEN
1 stop5h 06m
Delta
Deal found 2/4![Delta logo]()
$197
Last-minute flights from Colorado to OregonDiscover last-minute flight deals from Colorado to Oregon. Data last updated February 7, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Oregon. Data last updated February 7, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/129:41 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 2/2612:38 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/6![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/229:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Thu 2/2612:38 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/5![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 2/269:41 am
DEN
- BOI
Nonstop2h 10m
Frontier
Fri 2/2711:56 am
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/5![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/812:15 pm
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/3![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Sun 3/111:56 am
BOI
- DEN
Nonstop2h 00m
Frontier
Deal found 2/4![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:38 am
DEN
- PDX
Nonstop3h 00m
Multiple Airlines
Fri 3/612:04 pm
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$118
This Travelocity deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/511:38 am
DEN
- PDX
Nonstop3h 00m
Multiple Airlines
Sun 3/812:04 pm
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/610:40 pm
DEN
- PDX
1 stop10h 48m
Frontier
Mon 3/912:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/4![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/710:29 pm
DEN
- PDX
1 stop13h 23m
Frontier
Mon 3/912:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/4![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/711:38 am
DEN
- PDX
Nonstop3h 00m
Multiple Airlines
Thu 3/1212:04 pm
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/1110:01 am
DEN
- PDX
1 stop23h 57m
Frontier
Fri 3/1312:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/6![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Fri 3/2712:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/4![Frontier logo]()
$122
One-way flights from Colorado to OregonSearch for one-way flight options from Colorado to Oregon. Find affordable one-way fares based on user searches. Data last updated February 7, 2026.
Search for one-way flight options from Colorado to Oregon. Find affordable one-way fares based on user searches. Data last updated February 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/7![Frontier logo]()
$32
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 2/269:41 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/6![Frontier logo]()
$43
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/3![Frontier logo]()
$48
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:01 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/4![Frontier logo]()
$53
This Priceline deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 2/129:41 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/5![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 2/6![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/29:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/4![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 4/169:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/7![Frontier logo]()
$66
This Priceline deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” 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 5/79:10 am
DEN
- BOI
Nonstop1h 58m
Frontier
Deal found 2/3![Frontier logo]()
$67
This Alaska Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” 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 3/311:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$69
This Orbitz deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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.
Thu 3/199:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 2/5![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/269:10 am
DEN
- BOI
Nonstop2h 10m
Frontier
Deal found 2/7![Frontier logo]()
$71
Find flight deals from Colorado to Oregon
Keep the following information in mind while searching for Colorado to Oregon flight deals. Data was last updated February 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $87 (Frontier) |
One-way from | $32 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $197 |
Good round-trip deal | $157 or less |
Good one-way deal | $106 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Oregon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 7, 2026.
Use the filters below to find and compare flights from Colorado to Oregon that are best for you.
Fly from
Colorado
Fly to
Oregon
Route
Depart
Return
Price
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 4/4
6:03 pm-7:52 pm
Nonstop2h 49m
Portland
Sat 4/11
2:47 pm-6:28 pm
Nonstop2h 41m
$137
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Thu 3/12
9:05 pm-11:00 pm
Nonstop2h 55m
Portland
Sat 3/14
4:07 pm-7:40 pm
Nonstop2h 33m
$147
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 3/4
12:30 pm-6:48 pm
1 stop7h 18m
Portland
Wed 3/11
5:36 pm-11:29 pm
1 stop4h 53m
$157
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Wed 3/4
6:20 am-11:45 am
1 stop6h 25m
Portland
Sun 3/8
6:05 am-9:35 am
Nonstop2h 30m
$157
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 4/4
6:15 pm-10:53 pm
1 stop5h 38m
Portland
Sat 4/11
5:45 am-11:26 am
1 stop4h 41m
$157
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sun 4/5
9:05 pm-10:54 pm
Nonstop2h 49m
Portland
Thu 4/23
7:05 pm-10:45 pm
Nonstop2h 40m
$157
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Fri 2/27
11:38 am-1:38 pm
Nonstop3h 00m
Portland
Sun 3/1
7:05 am-10:42 am
Nonstop2h 37m
$157
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 3/7
6:20 pm-10:52 pm
1 stop5h 32m
Portland
Tue 3/10
5:45 am-11:33 am
1 stop4h 48m
$157
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Sat 3/7
8:10 pm-1:40 am
1 stop6h 30m
Portland
Sun 3/15
6:05 am-9:35 am
Nonstop2h 30m
$167
DenverPortland
DEN - PDX
DENPDX
Denver Intl
Tue 3/10
8:00 am-12:35 pm
1 stop5h 35m
Portland
Fri 3/13
5:36 pm-11:29 pm
1 stop4h 53m
$167
Showing 1-10 of 60 results
Best time to book a flight from Colorado to Oregon
Have a flexible travel schedule? Discover the best time to fly to Oregon from Colorado with our price prediction graph.
DEN-PDX
GJT-BOI
DEN-BOI
COS-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-PDX
GJT-BOI
DEN-BOI
COS-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 $52). Flying from Colorado to Oregon in August is currently the most expensive (average of $99). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CO to OR?
Find hourly flight availability from Colorado to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 7, 2026.
One of the essential ways to save on airfare from Colorado to Oregon is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.
What is the cheapest day to fly from Colorado to Oregon?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Oregon. Price data was last updated on January 31, 2026.
Travelers seeking maximum savings on their Colorado to Oregon flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Colorado to Oregon
Explore weekly flight availability from Colorado to Oregon. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 7, 2026.
The most flights from USCO to USOR are scheduled on a Thursday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
Reviews of airlines servicing Oregon
Get insights into the airlines that provide service to Oregon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oregon. Reviews last updated February 7, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian Airlines from Colorado to Oregon by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Colorado to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Colorado to Oregon
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Oregon by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Oregon by cabin class
Find flights from Colorado to Oregon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Oregon flights
Browse other Colorado and Oregon flight options. Last updated on February 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Oregon
Find the right flight back to Colorado after your stay in Oregon
Colorado to Oregon flights
Consider these flights traveling from Colorado to Oregon.
Top 7 airlines flying from Colorado to Oregon
Discover the top 7 airlines that operate flights from Colorado to Oregon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$258 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$94 | Average$260 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$295 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$365 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$210 | Average$365 | FlexibilityNo cancel fee | On-time71% |