$78+ Cheap flights from Portland (PDX) 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Mar 20 — Mar 271
1 adult, Economy
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Find cheap flights from Portland to Colorado 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 Portland to Colorado
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Cheapest flights from Portland to ColoradoExplore the most affordable flight options available from Portland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
Explore the most affordable flight options available from Portland to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.
This Frontier deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/1212:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Sun 3/159:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 2/17![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/319:43 am
PDX
- DEN
1 stop10h 57m
Frontier
Fri 4/39:10 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 2/17![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/107:05 am
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Thu 3/199:10 am
DEN
- PDX
Nonstop2h 59m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/1212:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Fri 3/209:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 2/17![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/612:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Sun 3/89:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 2/17![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/151:48 pm
PDX
- DEN
Nonstop2h 41m
Multiple Airlines
Tue 4/211:16 pm
DEN
- PDX
1 stop8h 33m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/147:15 am
PDX
- DEN
1 stop9h 09m
Multiple Airlines
Wed 4/1511:10 am
DEN
- PDX
Nonstop2h 52m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$113
This Orbitz deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/2311:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Sun 4/268:24 am
DEN
- PDX
Nonstop2h 56m
Frontier
Deal found 2/17![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/1212:04 pm
PDX
- DEN
Nonstop2h 37m
Multiple Airlines
Tue 3/1711:38 am
DEN
- PDX
Nonstop3h 00m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$115
This Super.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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.
Fri 3/1312:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Sun 3/159:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 2/18![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/1212:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Mon 3/169:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 2/17![Frontier logo]()
$117
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/145:02 pm
PDX
- COS
1 stop4h 03m
Delta
Tue 3/178:15 am
COS
- PDX
1 stop5h 20m
Delta
Deal found 2/14![Delta logo]()
$157
Best flights from Portland to ColoradoDiscover carefully curated flight deals from Portland to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from Portland to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/157:15 am
PDX
- DEN
1 stop9h 09m
Alaska Airlines
Sat 4/186:03 pm
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:05 am
PDX
- DEN
Nonstop2h 33m
United Airlines
Wed 3/188:00 am
DEN
- PDX
Nonstop2h 54m
United Airlines
Deal found 2/15![United Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/145:02 pm
PDX
- COS
1 stop4h 03m
Delta
Tue 3/178:15 am
COS
- PDX
1 stop5h 20m
Delta
Deal found 2/14![Delta logo]()
$157
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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.
Tue 3/315:40 am
PDX
- COS
1 stop9h 20m
American Airlines
Sun 4/51:39 pm
COS
- PDX
1 stop9h 23m
American Airlines
Deal found 2/15![American Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/77:05 am
PDX
- DEN
Nonstop2h 37m
Alaska Airlines
Tue 3/1011:38 am
DEN
- PDX
Nonstop3h 00m
Alaska Airlines
Deal found 2/14![Alaska Airlines logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/182:47 pm
PDX
- DEN
Nonstop2h 41m
Alaska Airlines
Tue 4/216:03 pm
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 4/75:30 am
PDX
- DEN
1 stop5h 56m
Delta
Sat 4/115:30 am
DEN
- PDX
1 stop4h 26m
Delta
Deal found 2/16![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/185:30 am
PDX
- DEN
1 stop5h 47m
Delta
Wed 4/221:20 pm
DEN
- PDX
1 stop4h 50m
Delta
Deal found 2/15![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:45 pm
PDX
- HDN
2 stops14h 50m
Southwest
Thu 2/263:40 pm
HDN
- PDX
1 stop9h 25m
Southwest
Deal found 2/15![Southwest logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/102:31 pm
PDX
- DEN
1 stop8h 28m
Alaska Airlines
Wed 3/186:03 pm
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 4/45:36 pm
PDX
- DEN
1 stop4h 56m
Delta
Sat 4/115:30 am
DEN
- PDX
1 stop4h 26m
Delta
Deal found 2/15![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/212:47 pm
PDX
- DEN
Nonstop2h 41m
Alaska Airlines
Sat 4/2511:46 am
DEN
- PDX
Nonstop2h 49m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$147
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 5/64:15 pm
PDX
- COS
1 stop6h 44m
United Airlines
Tue 5/121:25 pm
COS
- PDX
1 stop5h 19m
United Airlines
Deal found 2/16![United Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 4/216:05 pm
PDX
- DEN
1 stop4h 45m
Delta
Sat 4/251:20 pm
DEN
- PDX
1 stop6h 32m
Delta
Deal found 2/14![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/141:45 pm
PDX
- DEN
1 stop5h 12m
Delta
Wed 3/186:15 pm
DEN
- PDX
1 stop6h 39m
Delta
Deal found 2/17![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/48:30 am
PDX
- MTJ
1 stop5h 07m
United Airlines
Sat 3/74:04 pm
MTJ
- PDX
1 stop8h 05m
United Airlines
Deal found 2/16![United Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 4/85:36 pm
PDX
- DEN
1 stop4h 56m
Delta
Wed 4/151:20 pm
DEN
- PDX
1 stop4h 50m
Delta
Deal found 2/16![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/35:05 am
PDX
- GJT
1 stop6h 42m
United Airlines
Sat 3/75:30 am
GJT
- PDX
1 stop5h 24m
United Airlines
Deal found 2/16![United Airlines logo]()
$211
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/511:40 pm
PDX
- EGE
1 stop9h 10m
American Airlines
Tue 3/102:37 pm
EGE
- PDX
1 stop9h 32m
American Airlines
Deal found 2/16![American Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/105:45 am
PDX
- COS
1 stop4h 39m
Delta
Tue 3/178:15 am
COS
- PDX
2 stops9h 28m
Delta
Deal found 2/16![Delta logo]()
$162
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/45:05 am
PDX
- GJT
1 stop6h 42m
United Airlines
Tue 3/105:30 am
GJT
- PDX
2 stops8h 03m
United Airlines
Deal found 2/15![United Airlines logo]()
$216
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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.
Tue 3/312:04 pm
PDX
- DRO
1 stop8h 21m
American Airlines
Sat 3/78:23 am
DRO
- PDX
1 stop6h 31m
American Airlines
Deal found 2/17![American Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 2/248:30 am
PDX
- MTJ
1 stop5h 07m
United Airlines
Sat 2/283:33 pm
MTJ
- PDX
1 stop6h 42m
United Airlines
Deal found 2/14![United Airlines logo]()
$235
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/51:52 pm
PDX
- COS
1 stop9h 07m
American Airlines
Mon 3/94:48 pm
COS
- PDX
1 stop7h 21m
American Airlines
Deal found 2/14![American Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/141:45 pm
PDX
- COS
1 stop7h 20m
Delta
Mon 3/1612:10 pm
COS
- PDX
1 stop4h 51m
Delta
Deal found 2/14![Delta logo]()
$182
This American Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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.
Tue 3/311:40 pm
PDX
- EGE
1 stop9h 10m
American Airlines
Sat 3/74:17 pm
EGE
- PDX
1 stop5h 27m
American Airlines
Deal found 2/16![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/45:05 am
PDX
- DRO
1 stop6h 34m
United Airlines
Sun 3/86:00 pm
DRO
- PDX
1 stop6h 00m
United Airlines
Deal found 2/15![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/137:43 pm
PDX
- COS
2 stops14h 41m
Delta
Tue 3/178:15 am
COS
- PDX
1 stop5h 20m
Delta
Deal found 2/14![Delta logo]()
$225
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/55:05 am
PDX
- MTJ
1 stop6h 27m
United Airlines
Sun 3/84:58 pm
MTJ
- PDX
1 stop8h 37m
United Airlines
Deal found 2/17![United Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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.
Fri 2/2711:40 pm
PDX
- DRO
1 stop9h 12m
American Airlines
Mon 3/26:37 pm
DRO
- PDX
1 stop6h 22m
American Airlines
Deal found 2/14![American Airlines logo]()
$348
Last-minute flights from Portland to ColoradoDiscover last-minute flight deals from Portland to Colorado. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Colorado. Data last updated February 18, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 2/2310:18 pm
PDX
- DEN
1 stop21h 19m
Frontier
Mon 3/99:10 am
DEN
- PDX
Nonstop2h 59m
Frontier
Deal found 2/16![Frontier logo]()
$128
This Expedia deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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.
Mon 2/237:16 pm
PDX
- DEN
1 stop13h 33m
Multiple Airlines
Tue 3/246:03 pm
DEN
- PDX
Nonstop2h 49m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$175
This Cheapflightsfares deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 2/2310:18 pm
PDX
- DEN
1 stop19h 02m
Frontier
Tue 3/2410:40 pm
DEN
- PDX
1 stop11h 18m
Frontier
Deal found 2/16![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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.
Mon 2/237:16 pm
PDX
- DEN
1 stop13h 33m
Multiple Airlines
Thu 4/96:03 pm
DEN
- PDX
Nonstop2h 49m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$185
This Super.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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.
Mon 2/237:16 pm
PDX
- DEN
1 stop13h 33m
Frontier
Thu 2/2610:34 pm
DEN
- PDX
1 stop21h 09m
Frontier
Deal found 2/14![Frontier logo]()
$208
This Priceline deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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.
Fri 2/2710:18 pm
PDX
- DEN
1 stop9h 09m
Frontier
Mon 3/212:56 pm
DEN
- PDX
1 stop6h 25m
Frontier
Deal found 2/17![Frontier logo]()
$202
This CheapOair deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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.
Fri 2/2710:18 pm
PDX
- DEN
1 stop9h 09m
Frontier
Sat 3/710:29 pm
DEN
- PDX
1 stop13h 23m
Frontier
Deal found 2/14![Frontier logo]()
$211
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/48:30 am
PDX
- MTJ
1 stop5h 07m
United Airlines
Sat 3/74:04 pm
MTJ
- PDX
1 stop8h 05m
United Airlines
Deal found 2/16![United Airlines logo]()
$211
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/44:00 pm
PDX
- GJT
1 stop5h 21m
United Airlines
Sun 3/85:30 am
GJT
- PDX
1 stop5h 24m
United Airlines
Deal found 2/17![United Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/105:45 am
PDX
- COS
1 stop4h 39m
Delta
Tue 3/178:15 am
COS
- PDX
2 stops9h 28m
Delta
Deal found 2/16![Delta logo]()
$162
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/145:02 pm
PDX
- COS
1 stop4h 03m
Delta
Tue 3/178:15 am
COS
- PDX
1 stop5h 20m
Delta
Deal found 2/14![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” 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 3/315:45 am
PDX
- COS
1 stop4h 39m
Delta
Sun 4/58:15 am
COS
- PDX
2 stops12h 10m
Delta
Deal found 2/15![Delta logo]()
$172
One-way flights from Portland to ColoradoSearch for one-way flight options from Portland to Colorado. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from Portland to Colorado. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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 3/319:43 am
PDX
- DEN
1 stop10h 57m
Frontier
Deal found 2/18![Frontier logo]()
$78
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/145:45 am
PDX
- COS
1 stop4h 39m
Delta
Deal found 2/17![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/185:59 pm
PDX
- DEN
1 stop4h 51m
Delta
Deal found 2/17![Delta logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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 4/179:53 am
PDX
- DEN
1 stop6h 56m
Frontier
Deal found 2/18![Frontier logo]()
$80
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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.
Tue 3/1011:59 pm
PDX
- COS
1 stop8h 51m
American Airlines
Deal found 2/17![American Airlines logo]()
$81
This Super.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/812:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/17![Frontier logo]()
$83
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 3/101:55 pm
PDX
- COS
2 stops7h 10m
Delta
Deal found 2/17![Delta logo]()
$84
This Frontier deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” 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 3/612:04 pm
PDX
- DEN
Nonstop2h 37m
Frontier
Deal found 2/16![Frontier logo]()
$84
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” 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 3/175:05 am
PDX
- DEN
Nonstop2h 33m
United Airlines
Deal found 2/14![United Airlines logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” 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.
Sun 4/269:53 am
PDX
- DEN
1 stop22h 52m
Frontier
Deal found 2/18![Frontier logo]()
$86
This Expedia deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 6/1012:23 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 2/17![Frontier logo]()
$88
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” 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 4/105:36 pm
PDX
- DEN
1 stop4h 56m
Delta
Deal found 2/17![Delta logo]()
$89
Find flight deals from Portland to Colorado
Keep the following information in mind while searching for Portland to Colorado flight deals. Data was last updated February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $105 (Frontier) |
One-way from | $78 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $227 |
Good round-trip deal | $272 or less |
Good one-way deal | $166 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 February 18, 2026.
Use the filters below to find and compare flights from Portland to Colorado that are best for you.
Fly from
Portland
Fly to
Colorado
Route
Depart
Return
Price
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 4/15
7:15 am-5:24 pm
1 stop9h 09m
Denver Intl
Sat 4/18
6:03 pm-7:52 pm
Nonstop2h 49m
$137
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 3/7
7:05 am-10:42 am
Nonstop2h 37m
Denver Intl
Tue 3/10
11:38 am-1:38 pm
Nonstop3h 00m
$137
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 4/18
2:47 pm-6:28 pm
Nonstop2h 41m
Denver Intl
Tue 4/21
6:03 pm-7:52 pm
Nonstop2h 49m
$137
PortlandDenver
PDX - DEN
PDXDEN
Portland
Mon 3/16
5:05 am-8:38 am
Nonstop2h 33m
Denver Intl
Wed 3/18
8:00 am-9:54 am
Nonstop2h 54m
$147
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 3/10
2:31 pm-11:59 pm
1 stop8h 28m
Denver Intl
Wed 3/18
6:03 pm-7:52 pm
Nonstop2h 49m
$147
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 4/21
2:47 pm-6:28 pm
Nonstop2h 41m
Denver Intl
Sat 4/25
11:46 am-1:35 pm
Nonstop2h 49m
$147
PortlandColorado Springs
PDX - COS
PDXCOS
Portland
Sat 3/14
5:02 pm-10:05 pm
1 stop4h 03m
Colorado Springs
Tue 3/17
8:15 am-12:35 pm
1 stop5h 20m
$157
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 4/7
5:30 am-12:26 pm
1 stop5h 56m
Denver Intl
Sat 4/11
5:30 am-8:56 am
1 stop4h 26m
$157
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 4/18
5:30 am-12:17 pm
1 stop5h 47m
Denver Intl
Wed 4/22
1:20 pm-5:10 pm
1 stop4h 50m
$157
PortlandDenver
PDX - DEN
PDXDEN
Portland
Sat 4/4
5:36 pm-11:32 pm
1 stop4h 56m
Denver Intl
Sat 4/11
5:30 am-8:56 am
1 stop4h 26m
$157
Showing 1-10 of 60 results
Best time to book a flight from Portland to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Portland with our price prediction graph.
PDX-DEN
PDX-COS
PDX-MTJ
PDX-GJT
PDX-HDN
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 Portland to Colorado
PDX-USCO
PDX-DEN
PDX-COS
PDX-MTJ
PDX-GJT
What is the cheapest month to book a flight from Portland to Colorado?
Currently, March is the cheapest month in which you can book a flight from Portland to Colorado (average of $56). Flying from Portland to Colorado in July is currently the most expensive (average of $98). 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 PDX to CO?
Find hourly flight availability from Portland 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 February 18, 2026.
One of the essential ways to save on airfare from Portland to Colorado is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.
What is the cheapest day to fly from Portland to Colorado?
Use this chart to determine the cheapest time to fly round-trip from Portland to Colorado. Price data was last updated on February 17, 2026.
Travelers seeking maximum savings on their Portland to Colorado flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Portland to Colorado
Explore weekly flight availability from Portland 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 February 18, 2026.
The most flights from PDX to USCO are scheduled on a Monday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
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 February 18, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Hawaiian Airlines from Portland to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.1
Boarding
8.1
Overall
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Portland to Colorado. 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 Portland 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 Portland to Colorado by cabin class
Find flights from Portland to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Colorado flights
Browse other Portland and Colorado flight options. Last updated on February 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to Colorado flights
Consider these flights traveling from Portland to Colorado.
Top 7 airlines flying from Portland to Colorado
Discover the top 7 airlines that operate flights from Portland 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 February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$151 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$295 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$200 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$138 | Average$399 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$146 | Average$257 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$147 | Average$344 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$228 | Average$354 | FlexibilityNo cancel fee | On-time71% |