$117+ Cheap flights from Portland (PDX) to Colorado
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
Nov 24 — Dec 11
Round-trip
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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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 October 25, 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 October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/912:31 pm -
2 stops19h 48m
Wed 11/116:42 pm -
1 stop17h 54m
Deal found 10/20![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/611:06 am -
1 stop5h 57m
Tue 11/109:10 am -
Nonstop2h 57m
Deal found 10/20![Frontier logo]()
$235
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/2910:28 pm -
1 stop12h 50m
Tue 1/51:42 pm -
Nonstop3h 00m
Deal found 10/20![Frontier logo]()
$236
This KAYAK deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:25 pm -
Nonstop2h 29m
Thu 11/127:40 am -
Nonstop2h 56m
Deal found 10/20![United Airlines logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Thu 11/1212:02 pm -
Nonstop2h 33m
Sun 11/1510:55 pm -
1 stop12h 16m
Deal found 10/21![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/131:58 pm -
Nonstop2h 31m
Mon 12/141:46 pm -
1 stop6h 10m
Deal found 10/20![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/37:51 pm -
1 stop12h 39m
Sat 12/52:50 pm -
2 stops22h 03m
Deal found 10/20![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/266:29 pm -
1 stop14h 01m
Wed 12/22:45 pm -
2 stops22h 08m
Deal found 10/21![Frontier logo]()
$241
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/47:51 pm -
1 stop12h 40m
Sun 12/611:01 am -
Nonstop3h 02m
Deal found 10/21![Frontier logo]()
$242
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/58:50 am -
Nonstop2h 30m
Sat 12/121:27 pm -
1 stop6h 04m
Deal found 10/21![United Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/129:58 am -
1 stop6h 30m
Mon 11/166:08 pm -
1 stop6h 43m
Deal found 10/22![Delta logo]()
$245
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:27 am -
2 stops13h 27m
Tue 12/12:12 pm -
Nonstop2h 55m
Deal found 10/21![Frontier logo]()
$245
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 October 25, 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 October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/112:10 pm -
1 stop7h 28m
Mon 11/162:56 pm -
Nonstop2h 51m
Deal found 10/22![Alaska Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/1010:15 am -
2 stops9h 35m
Wed 11/186:30 am -
2 stops7h 55m
Deal found 10/20![Southwest logo]()
$255
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:00 am -
1 stop4h 33m
Thu 11/265:30 am -
1 stop5h 06m
Deal found 10/23![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/129:58 am -
1 stop6h 30m
Mon 11/166:08 pm -
1 stop6h 43m
Deal found 10/20![Delta logo]()
$294
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 1/308:35 am -
1 stop8h 15m
Tue 2/23:10 pm -
2 stops6h 55m
Deal found 10/20![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:47 am -
Nonstop2h 40m
Fri 11/137:33 am -
Nonstop2h 57m
Deal found 10/23![Alaska Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:30 am -
1 stop7h 00m
Mon 12/148:45 am -
2 stops7h 50m
Deal found 10/23![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:25 pm -
Nonstop2h 29m
Mon 11/307:15 pm -
Nonstop2h 58m
Deal found 10/23![United Airlines logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/1810:30 am -
Nonstop2h 38m
Tue 12/226:28 pm -
1 stop5h 31m
Deal found 10/20![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/145:51 pm -
1 stop4h 56m
Fri 11/206:00 am -
1 stop5h 52m
Deal found 10/22![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/711:40 am -
1 stop7h 15m
Sat 12/128:55 am -
1 stop6h 25m
Deal found 10/22![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/233:40 pm -
1 stop7h 19m
Sat 11/287:40 am -
Nonstop2h 56m
Deal found 10/21![United Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 pm -
1 stop5h 14m
Mon 11/308:00 pm -
1 stop25h 50m
Deal found 10/23![Alaska Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/310:10 am -
1 stop4h 25m
Sun 12/67:45 pm -
1 stop5h 30m
Deal found 10/20![Southwest logo]()
$286
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:45 am -
1 stop5h 51m
Wed 12/91:11 pm -
2 stops8h 44m
Deal found 10/24![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/85:00 am -
1 stop4h 34m
Wed 12/95:45 am -
1 stop4h 51m
Deal found 10/21![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:30 am -
2 stops8h 35m
Mon 12/72:55 pm -
1 stop5h 25m
Deal found 10/23![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:45 pm -
1 stop5h 14m
Mon 12/71:54 pm -
2 stops10h 37m
Deal found 10/23![Alaska Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/55:33 am -
1 stop5h 57m
Mon 11/91:16 pm -
1 stop5h 58m
Deal found 10/21![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/125:00 am -
1 stop6h 34m
Thu 12/174:40 pm -
2 stops9h 07m
Deal found 10/21![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/1911:40 am -
Nonstop2h 20m
Thu 11/263:30 pm -
Nonstop2h 45m
Deal found 10/22![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/124:25 pm -
1 stop4h 34m
Sun 11/155:30 am -
1 stop5h 06m
Deal found 10/19![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/145:45 am -
1 stop5h 54m
Mon 11/231:16 pm -
2 stops8h 40m
Deal found 10/22![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 2/28:40 am -
1 stop4h 43m
Wed 2/31:45 pm -
2 stops8h 00m
Deal found 10/19![United Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/56:10 am -
2 stops12h 50m
Mon 11/97:45 pm -
1 stop5h 30m
Deal found 10/22![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 3/1810:40 am -
Nonstop2h 25m
Wed 3/244:15 pm -
1 stop8h 11m
Deal found 10/22![Alaska Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:25 am -
1 stop5h 49m
Tue 1/121:06 pm -
2 stops11h 26m
Deal found 10/23![Delta logo]()
$470
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:30 am -
1 stop5h 57m
Tue 1/127:15 am -
2 stops8h 21m
Deal found 10/23![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/61:45 pm -
1 stop7h 45m
Sun 12/136:45 am -
1 stop4h 55m
Deal found 10/22![Southwest logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/27:30 am -
2 stops10h 31m
Wed 12/911:58 am -
2 stops10h 54m
Deal found 10/20![Alaska Airlines logo]()
$469
Last-minute flights from Portland to ColoradoDiscover last-minute flight deals from Portland to Colorado. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Colorado. Data last updated October 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/611:06 am -
1 stop5h 57m
Tue 11/109:10 am -
Nonstop2h 57m
Deal found 10/20![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/912:31 pm -
2 stops19h 48m
Wed 11/116:42 pm -
1 stop17h 54m
Deal found 10/20![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/912:31 pm -
2 stops10h 22m
Sat 11/1410:55 pm -
1 stop12h 16m
Deal found 10/21![Frontier logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Mon 11/910:47 am -
Nonstop2h 40m
Sat 11/147:03 am -
1 stop5h 19m
Deal found 10/21![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 am -
1 stop4h 33m
Tue 11/101:20 pm -
1 stop5h 49m
Deal found 10/23![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/102:10 pm -
1 stop5h 45m
Wed 11/187:50 am -
2 stops8h 45m
Deal found 10/20![Southwest logo]()
$250
This KAYAK deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:25 pm -
Nonstop2h 29m
Thu 11/127:40 am -
Nonstop2h 56m
Deal found 10/20![United Airlines logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Thu 11/1212:02 pm -
Nonstop2h 33m
Sun 11/1510:55 pm -
1 stop12h 16m
Deal found 10/21![Frontier logo]()
$238
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/129:58 am -
1 stop6h 30m
Mon 11/166:08 pm -
1 stop6h 43m
Deal found 10/22![Delta logo]()
$245
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:00 am -
1 stop4h 33m
Thu 11/265:30 am -
1 stop5h 06m
Deal found 10/23![United Airlines logo]()
$259
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:27 am -
2 stops13h 27m
Tue 12/12:12 pm -
Nonstop2h 55m
Deal found 10/21![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/266:29 pm -
1 stop14h 01m
Wed 12/22:45 pm -
2 stops22h 08m
Deal found 10/21![Frontier logo]()
$241
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 October 25, 2026.
Search for one-way flight options from Portland to Colorado. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Super.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/248:54 pm -
Nonstop2h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$117
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:15 pm -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$118
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/197:15 am -
Nonstop2h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:32 am -
1 stop5h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Delta logo]()
$122
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/95:00 am -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$123
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:40 pm -
1 stop5h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/2510:27 am -
1 stop22h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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.
Thu 11/1911:06 am -
1 stop5h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 1/47:03 pm -
2 stops28h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$127
This Alaska Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:05 am -
1 stop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Alaska Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/315:05 am -
1 stop6h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$129
This Super.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:54 pm -
Nonstop2h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$132
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $234 (Kiwi.com) |
One-way from | $117 (Super.com) |
Popular in | October |
Cheapest in | January |
Average price | $320 |
Good round-trip deal | $363 or less |
Good one-way deal | $201 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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Portland to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandColorado Springs
PDX Portland - COS Colorado Springs
PDXCOS
Portland
Mon 11/9
5:00 am-10:33 am
1 stop4h 33m
Colorado Springs
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Thu 12/24
5:05 am-12:22 pm
1 stop6h 17m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Mon 11/9
3:40 pm-10:10 pm
1 stop5h 30m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Tue 2/16
5:45 pm-11:28 pm
1 stop4h 43m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Mon 11/16
5:51 pm-11:47 pm
1 stop4h 56m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Thu 12/3
7:30 am-5:05 pm
2 stops8h 35m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Wed 12/16
7:30 am-5:05 pm
2 stops8h 35m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$135
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Tue 12/1
7:30 am-5:05 pm
2 stops8h 35m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$135
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Sat 11/14
3:04 pm-11:59 pm
1 stop7h 55m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$142
PortlandDenver
PDX Portland - DEN Denver Intl
PDXDEN
Portland
Wed 11/18
3:04 pm-12:57 pm
1 stop20h 53m
Denver Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$147
Showing 1-10 of 60 resultsSorted by cheapest first
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-DRO
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, January is the cheapest month in which you can book a flight from Portland to Colorado (average of $230). Flying from Portland to Colorado in June is currently the most expensive (average of $340). 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 October 25, 2026.
One of the essential ways to save on airfare from Portland to Colorado is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 18% on airfare.
How much does it cost to fly round-trip from Portland to Colorado?
Airfare is typical for this route at the moment.
Portland to Colorado flights typically cost between $224 and $385 in November.The cheapest round-trip price found within the last 5 days was $234 on Frontier (Nov 9-Nov 11).
How far ahead should I book a flight from Portland to Colorado?
The best time to book flights from Portland to Colorado is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 October 24, 2026.
Travelers seeking maximum savings on their Portland to Colorado flight should consider departing on Thursday 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.
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 October 25, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andUnited 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.
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
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
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Complete your trip
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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 October 25, 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$207 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$279 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$146 | Average$289 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$152 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$155 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$416 | FlexibilityNo cancel fee | On-time71% |