$51+ Cheap flights from Oregon to Colorado
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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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Cheapest flights from Oregon to ColoradoExplore the most affordable flight options available from Oregon to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
Explore the most affordable flight options available from Oregon to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 7/2810:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/10![Frontier logo]()
$174
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Tue 10/69:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Deal found 6/10![Frontier logo]()
$178
This Priceline deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Thu 10/18:30 am
DEN
- BOI
1 stop6h 27m
Frontier
Deal found 6/11![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 8/410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/13![Frontier logo]()
$181
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:04 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Sun 9/610:08 am
DEN
- BOI
Nonstop2h 01m
Frontier
Deal found 6/10![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:04 pm
BOI
- DEN
Nonstop2h 05m
Multiple Airlines
Sat 8/221:43 pm
DEN
- BOI
1 stop6h 37m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$186
This Frontier deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/1512:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Thu 9/179:55 am
DEN
- BOI
Nonstop2h 09m
Frontier
Deal found 6/8![Frontier logo]()
$187
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Tue 7/1410:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/9![Frontier logo]()
$189
This Expedia deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Thu 7/3010:29 am
DEN
- BOI
Nonstop2h 00m
Frontier
Deal found 6/9![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 7/273:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 6/10![Frontier logo]()
$196
This deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:26 pm
PDX
- DEN
Nonstop2h 42m
Frontier
Tue 7/72:50 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Deal found 6/9![Frontier logo]()
$198
This Flightnetwork deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 7/273:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 6/9![Frontier logo]()
$199
Best flights from Oregon to ColoradoDiscover carefully curated flight deals from Oregon to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from Oregon to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:20 pm
PDX
- DEN
1 stop5h 10m
Delta
Sat 9/191:00 pm
DEN
- PDX
1 stop4h 05m
Delta
Deal found 6/11![Delta logo]()
$220
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 10/246:00 pm
PDX
- DEN
Nonstop2h 36m
Alaska Airlines
Wed 10/287:05 am
DEN
- PDX
1 stop7h 22m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$227
This CheapOair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Thu 9/1710:30 pm
DEN
- BOI
1 stop16h 27m
Frontier
Deal found 6/12![Frontier logo]()
$234
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:20 pm
BOI
- DEN
2 stops7h 00m
Southwest
Sat 8/225:45 am
DEN
- BOI
2 stops7h 15m
Southwest
Deal found 6/9![Southwest logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:07 pm
PDX
- DEN
Nonstop2h 38m
United Airlines
Mon 9/77:20 pm
DEN
- PDX
Nonstop2h 45m
United Airlines
Deal found 6/12![United Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:54 pm
PDX
- DEN
1 stop5h 04m
Delta
Wed 8/196:20 am
DEN
- PDX
1 stop5h 22m
Delta
Deal found 6/10![Delta logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:09 pm
BOI
- DEN
1 stop5h 19m
Alaska Airlines
Thu 11/57:50 am
DEN
- BOI
1 stop5h 07m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:05 am
BOI
- DEN
2 stops6h 30m
Southwest
Sat 9/1212:45 pm
DEN
- BOI
1 stop6h 55m
Southwest
Deal found 6/8![Southwest logo]()
$251
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Sat 7/117:00 am
PDX
- DRO
2 stops14h 15m
American Airlines
Fri 7/176:53 pm
DRO
- PDX
1 stop5h 15m
American Airlines
Deal found 6/8![American Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:45 am
PDX
- DEN
1 stop4h 17m
Delta
Sun 8/166:20 am
DEN
- PDX
1 stop5h 22m
Delta
Deal found 6/9![Delta logo]()
$243
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:00 am
RDM
- DEN
Nonstop2h 32m
United Airlines
Sun 9/137:35 pm
DEN
- RDM
Nonstop2h 36m
United Airlines
Deal found 6/13![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:50 pm
PDX
- DEN
1 stop5h 04m
Delta
Mon 9/216:20 am
DEN
- PDX
1 stop6h 36m
Delta
Deal found 6/11![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:50 am
BOI
- DEN
1 stop6h 05m
Southwest
Mon 9/144:10 pm
DEN
- BOI
2 stops6h 40m
Southwest
Deal found 6/10![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:00 am
RDM
- DEN
Nonstop2h 32m
United Airlines
Wed 9/21:30 pm
DEN
- RDM
1 stop5h 58m
United Airlines
Deal found 6/11![United Airlines logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:00 pm
RDM
- DEN
1 stop4h 40m
Alaska Airlines
Tue 8/188:00 am
DEN
- RDM
1 stop4h 47m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:54 pm
PDX
- DEN
1 stop5h 04m
Delta
Mon 8/316:20 am
DEN
- PDX
1 stop5h 22m
Delta
Deal found 6/9![Delta logo]()
$243
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:55 pm
PDX
- COS
1 stop4h 50m
Southwest
Fri 7/39:05 pm
COS
- PDX
1 stop5h 15m
Southwest
Deal found 6/10![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:00 am
RDM
- DEN
Nonstop2h 32m
United Airlines
Mon 8/246:00 am
DEN
- RDM
1 stop7h 06m
United Airlines
Deal found 6/10![United Airlines logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:41 pm
MFR
- DEN
1 stop6h 11m
Alaska Airlines
Tue 10/279:45 am
DEN
- MFR
1 stop7h 06m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
BOI
- DEN
2 stops6h 35m
Southwest
Tue 7/288:55 pm
DEN
- BOI
Nonstop2h 05m
Southwest
Deal found 6/10![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:52 pm
RDM
- DEN
1 stop7h 23m
United Airlines
Fri 10/27:25 pm
DEN
- RDM
Nonstop2h 36m
United Airlines
Deal found 6/9![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:50 pm
PDX
- DEN
1 stop4h 54m
Delta
Tue 8/46:20 am
DEN
- PDX
1 stop5h 22m
Delta
Deal found 6/10![Delta logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:37 pm
EUG
- DEN
1 stop7h 53m
Alaska Airlines
Mon 8/1711:32 am
DEN
- EUG
1 stop11h 14m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/286:20 am
PDX
- DEN
2 stops8h 00m
Southwest
Wed 9/309:00 am
DEN
- PDX
2 stops7h 25m
Southwest
Deal found 6/8![Southwest logo]()
$281
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:00 am
MFR
- DEN
Nonstop2h 33m
United Airlines
Wed 7/156:00 am
DEN
- MFR
1 stop7h 04m
United Airlines
Deal found 6/12![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:15 am
RDM
- DEN
1 stop5h 11m
Delta
Sat 9/56:28 pm
DEN
- RDM
1 stop4h 50m
Delta
Deal found 6/12![Delta logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:08 am
EUG
- DEN
1 stop11h 18m
Alaska Airlines
Sat 9/191:43 pm
DEN
- EUG
1 stop7h 36m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:00 am
MFR
- DEN
Nonstop2h 33m
United Airlines
Mon 7/206:00 am
DEN
- MFR
1 stop7h 04m
United Airlines
Deal found 6/10![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
BOI
- COS
1 stop4h 35m
Southwest
Fri 7/247:55 pm
COS
- BOI
1 stop5h 20m
Southwest
Deal found 6/11![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:15 am
RDM
- DEN
1 stop5h 11m
Delta
Tue 8/256:43 pm
DEN
- RDM
1 stop5h 15m
Delta
Deal found 6/10![Delta logo]()
$289
Last-minute flights from Oregon to ColoradoDiscover last-minute flight deals from Oregon to Colorado. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Oregon to Colorado. Data last updated June 13, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:55 pm
PDX
- COS
1 stop4h 50m
Southwest
Fri 7/39:05 pm
COS
- PDX
1 stop5h 15m
Southwest
Deal found 6/10![Southwest logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/14:00 pm
RDM
- DEN
1 stop4h 40m
Alaska Airlines
Sat 7/46:00 am
DEN
- RDM
1 stop7h 25m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$269
This deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:26 pm
PDX
- DEN
Nonstop2h 42m
Frontier
Tue 7/72:50 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Deal found 6/9![Frontier logo]()
$198
This Super.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:21 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Wed 7/152:55 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Deal found 6/10![Frontier logo]()
$228
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:00 am
EUG
- DEN
Nonstop2h 37m
United Airlines
Wed 8/57:35 pm
DEN
- EUG
Nonstop2h 46m
United Airlines
Deal found 6/9![United Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:21 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Tue 7/282:50 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Deal found 6/11![Frontier logo]()
$206
This Flightnetwork deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 7/273:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 6/9![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Tue 7/282:50 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Deal found 6/9![Frontier logo]()
$225
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 7/273:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 6/10![Frontier logo]()
$196
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:49 pm
PDX
- DEN
1 stop8h 59m
Frontier
Wed 8/122:55 pm
DEN
- PDX
Nonstop2h 41m
Frontier
Deal found 6/12![Frontier logo]()
$201
This Super.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:16 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Mon 8/173:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 6/10![Frontier logo]()
$214
This Super.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Tue 7/285:16 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Fri 8/73:08 pm
DEN
- PDX
Nonstop2h 43m
Frontier
Deal found 6/8![Frontier logo]()
$218
One-way flights from Oregon to ColoradoSearch for one-way flight options from Oregon to Colorado. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from Oregon to Colorado. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/10![Frontier logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/12![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:59 pm
BOI
- DEN
Nonstop2h 01m
Frontier
Deal found 6/11![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:04 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 6/12![Frontier logo]()
$73
This Priceline deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/10![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:24 pm
BOI
- DEN
Nonstop2h 06m
Frontier
Deal found 6/10![Frontier logo]()
$87
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:00 am
BOI
- DEN
Nonstop2h 10m
United Airlines
Deal found 6/11![United Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:04 pm
BOI
- DEN
Nonstop2h 05m
Frontier
Deal found 6/8![Frontier logo]()
$99
This CheapOair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:49 pm
PDX
- DEN
Nonstop2h 39m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:20 pm
PDX
- DEN
Nonstop2h 43m
Frontier
Deal found 6/9![Frontier logo]()
$110
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:00 am
PDX
- DEN
Nonstop2h 39m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$112
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:30 am
EUG
- DEN
1 stop4h 09m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$114
Find flight deals from Oregon to Colorado
Keep the following information in mind while searching for Oregon to Colorado flight deals. Data was last updated June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Expedia) |
One-way from | $51 (Frontier) |
Popular in | March |
Cheapest in | August |
Average price | $281 |
Good round-trip deal | $300 or less |
Good one-way deal | $172 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Oregon to Colorado 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 13, 2026.
Use the filters below to find and compare flights from Oregon to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 9/16
1:20 pm-7:30 pm
1 stop5h 10m
Denver Intl
Sat 9/19
1:00 pm-4:05 pm
1 stop4h 05m
$220
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sun 8/16
5:54 pm-11:58 pm
1 stop5h 04m
Denver Intl
Wed 8/19
6:20 am-10:42 am
1 stop5h 22m
$223
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 10/24
6:00 pm-9:36 pm
Nonstop2h 36m
Denver Intl
Wed 10/28
7:05 am-1:27 pm
1 stop7h 22m
$227
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 9/15
12:59 pm-3:00 pm
Nonstop2h 01m
Denver Intl
Thu 9/17
10:30 pm-2:57 pm
1 stop16h 27m
$234
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 8/18
2:20 pm-9:20 pm
2 stops7h 00m
Denver Intl
Sat 8/22
5:45 am-1:00 pm
2 stops7h 15m
$241
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Tue 11/3
4:09 pm-9:28 pm
1 stop5h 19m
Denver Intl
Thu 11/5
7:50 am-12:57 pm
1 stop5h 07m
$242
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 8/13
9:45 am-3:02 pm
1 stop4h 17m
Denver Intl
Sun 8/16
6:20 am-10:42 am
1 stop5h 22m
$243
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 9/18
5:50 pm-11:54 pm
1 stop5h 04m
Denver Intl
Mon 9/21
6:20 am-11:56 am
1 stop6h 36m
$243
PortlandDenver
PDX - DEN
PDXDEN
Portland
Mon 8/17
5:54 pm-11:58 pm
1 stop5h 04m
Denver Intl
Mon 8/31
6:20 am-10:42 am
1 stop5h 22m
$243
BoiseDenver
BOI - DEN
BOIDEN
Boise Air Term. Gowen Fld
Thu 9/10
9:05 am-3:35 pm
2 stops6h 30m
Denver Intl
Sat 9/12
12:45 pm-7:40 pm
1 stop6h 55m
$251
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Oregon to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Oregon with our price prediction graph.
PDX-DEN
RDM-DEN
EUG-DEN
PDX-COS
BOI-DEN
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 Oregon to Colorado
USOR-USCO
PDX-DEN
RDM-DEN
EUG-DEN
PDX-COS
What is the cheapest month to book a flight from Oregon to Colorado?
Currently, October is the cheapest month in which you can book a flight from Oregon to Colorado (average of $261). Flying from Oregon to Colorado in December is currently the most expensive (average of $617). 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 OR to CO?
Find hourly flight availability from Oregon to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 13, 2026.
A simple way to save on the total cost of your ticket is to fly from Oregon to Colorado in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.
Weekly flight availability from Oregon to Colorado
Explore weekly flight availability from Oregon to Colorado. 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 13, 2026.
The most flights from USOR to USCO are scheduled on a Friday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Oregon to Colorado?
How far ahead should I book a flight from Oregon to Colorado?
To ensure you get the cheapest price possible for a flight from Oregon to Colorado, you should look to book at least 83 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 Oregon to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Oregon to Colorado. Price data was last updated on June 8, 2026.
Travelers seeking maximum savings on their Oregon to Colorado flight should consider departing on Thursday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated June 13, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta from Oregon to Colorado. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Oregon to Colorado. 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Oregon to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Oregon to Colorado by cabin class
Find flights from Oregon to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Oregon and Colorado flights
Browse other Oregon and Colorado flight options. Last updated on June 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Colorado
Find the right flight back to Oregon after your stay in Colorado
Oregon to Colorado flights
Consider these flights traveling from Oregon to Colorado.
Top 8 airlines flying from Oregon to Colorado
Discover the top 8 airlines that operate flights from Oregon to Colorado. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$159 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$274 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$207 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$126 | Average$244 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$395 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$140 | Average$322 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$364 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$228 | Average$415 | FlexibilityNo cancel fee | On-time71% |