$112+ Cheap flights from Colorado to Portland (PDX)
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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Portland 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Portland
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Cheapest flights from Colorado to PortlandExplore the most affordable flight options available from Colorado to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Colorado to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:54 pm -
1 stop6h 02m
Sun 12/65:10 pm -
Nonstop2h 39m
Deal found 9/16![Frontier logo]()
$199
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:00 am -
Nonstop2h 54m
Thu 10/2912:02 pm -
Nonstop2h 33m
Deal found 9/16![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:49 pm -
1 stop13h 37m
Tue 10/1311:49 am -
Nonstop2h 38m
Deal found 9/16![Frontier logo]()
$201
This Priceline deal was found by Cheapflights users on 9/17. 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.
Tue 10/137:53 am -
Nonstop2h 49m
Tue 10/2011:49 am -
Nonstop2h 38m
Deal found 9/17![Multiple Airlines logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/139:00 am -
Nonstop2h 54m
Thu 10/1511:49 am -
Nonstop2h 38m
Deal found 9/17![Frontier logo]()
$206
This Booking.com deal was found by Cheapflights users on 9/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am -
Nonstop2h 54m
Thu 10/2211:06 am -
1 stop5h 55m
Deal found 9/18![Frontier logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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.
Thu 12/32:12 pm -
Nonstop2h 55m
Mon 12/71:22 pm -
1 stop18h 54m
Deal found 9/18![Frontier logo]()
$208
This Gotogate deal was found by Cheapflights users on 9/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:00 am -
Nonstop2h 54m
Tue 10/202:48 pm -
Nonstop2h 37m
Deal found 9/18![Multiple Airlines logo]()
$209
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Mon 10/510:00 am -
Nonstop2h 43m
Thu 10/811:06 am -
1 stop5h 55m
Deal found 9/17![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/207:53 am -
Nonstop2h 49m
Tue 10/2011:49 am -
Nonstop2h 38m
Deal found 9/17![Multiple Airlines logo]()
$211
This Frontier deal was found by Cheapflights users on 9/16. 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.
Thu 12/106:10 am -
1 stop11h 38m
Mon 12/1411:38 am -
1 stop10h 50m
Deal found 9/16![Frontier logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/207:53 am -
Nonstop2h 49m
Tue 10/2011:03 am -
1 stop4h 56m
Deal found 9/17![Alaska Airlines logo]()
$213
Best flights from Colorado to PortlandDiscover carefully curated flight deals from Colorado to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Colorado to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/41:20 pm -
1 stop5h 49m
Tue 11/104:25 pm -
1 stop4h 38m
Deal found 9/16![United Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 9/15. 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.
Wed 10/286:40 pm -
1 stop6h 00m
Sat 10/317:45 am -
2 stops8h 25m
Deal found 9/15![Southwest logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/207:53 am -
Nonstop2h 49m
Sat 10/245:06 am -
1 stop4h 56m
Deal found 9/17![Alaska Airlines logo]()
$248
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:42 pm -
1 stop6h 17m
Sat 10/2411:25 am -
1 stop5h 22m
Deal found 9/19![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:40 pm -
1 stop7h 40m
Tue 9/293:00 pm -
1 stop6h 22m
Deal found 9/19![American Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:33 am -
Nonstop2h 57m
Wed 12/210:44 am -
Nonstop2h 40m
Deal found 9/16![Alaska Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/43:35 pm -
1 stop6h 50m
Sat 12/511:50 am -
2 stops7h 20m
Deal found 9/17![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/166:03 pm -
1 stop5h 50m
Mon 10/196:55 pm -
1 stop4h 04m
Deal found 9/15![United Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 10/296:00 am -
1 stop5h 45m
Sun 11/15:30 am -
1 stop6h 19m
Deal found 9/15![Delta logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:56 pm -
Nonstop2h 51m
Mon 11/910:47 am -
Nonstop2h 40m
Deal found 9/19![Alaska Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 11/135:35 am -
1 stop4h 23m
Sun 11/155:50 pm -
1 stop4h 57m
Deal found 9/15![Delta logo]()
$284
This Southwest deal was found by Cheapflights users on 9/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:30 pm -
2 stops10h 15m
Fri 10/304:10 pm -
1 stop7h 35m
Deal found 9/19![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 9/17. 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 10/165:25 am -
1 stop4h 25m
Tue 10/205:33 am -
1 stop5h 23m
Deal found 9/17![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/85:45 am -
1 stop4h 51m
Wed 12/94:27 pm -
1 stop4h 36m
Deal found 9/16![United Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:40 pm -
1 stop6h 00m
Tue 10/202:15 pm -
1 stop6h 30m
Deal found 9/17![Southwest logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:56 pm -
Nonstop2h 51m
Sun 11/157:08 am -
1 stop5h 50m
Deal found 9/19![Alaska Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 9/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:40 pm -
Nonstop2h 50m
Sat 10/247:05 pm -
Nonstop2h 35m
Deal found 9/19![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/41:47 pm -
1 stop5h 22m
Sat 11/74:25 pm -
1 stop4h 34m
Deal found 9/15![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/19. 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 11/126:14 pm -
1 stop5h 55m
Sat 11/1410:59 am -
2 stops10h 00m
Deal found 9/19![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:15 pm -
2 stops10h 04m
Sun 10/255:33 am -
1 stop5h 57m
Deal found 9/18![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 9/15. 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 11/2210:20 am -
1 stop7h 35m
Thu 11/266:05 am -
2 stops7h 50m
Deal found 9/15![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 9/15. 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 10/311:33 am -
1 stop5h 32m
Sat 10/105:35 am -
1 stop5h 55m
Deal found 9/15![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Wed 11/45:30 am -
1 stop5h 06m
Sun 11/225:00 am -
1 stop4h 33m
Deal found 9/19![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:35 am -
2 stops12h 00m
Tue 10/276:40 am -
2 stops11h 30m
Deal found 9/17![Southwest logo]()
$332
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:55 am -
2 stops23h 59m
Wed 10/146:40 pm -
2 stops20h 25m
Deal found 9/18![Multiple Airlines logo]()
$1,124
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:07 pm -
1 stop6h 40m
Sat 10/249:55 am -
1 stop6h 32m
Deal found 9/19![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/2911:34 am -
1 stop7h 35m
Sun 11/14:25 pm -
1 stop4h 38m
Deal found 9/19![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:10 pm -
1 stop5h 25m
Sun 10/256:25 am -
2 stops13h 00m
Deal found 9/17![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 12/196:20 pm -
1 stop6h 22m
Sat 1/28:02 am -
1 stop10h 11m
Deal found 9/20![Alaska Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 11/225:30 am -
2 stops7h 52m
Thu 11/265:00 am -
1 stop4h 53m
Deal found 9/15![United Airlines logo]()
$359
Last-minute flights from Colorado to PortlandDiscover last-minute flight deals from Colorado to Portland. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Portland. Data last updated September 20, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Mon 10/510:00 am -
Nonstop2h 43m
Thu 10/811:06 am -
1 stop5h 55m
Deal found 9/17![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:49 pm -
1 stop13h 37m
Tue 10/1311:49 am -
Nonstop2h 38m
Deal found 9/16![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:53 am -
Nonstop2h 49m
Tue 10/1311:49 am -
Nonstop2h 38m
Deal found 9/16![Multiple Airlines logo]()
$212
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/71:29 pm -
1 stop5h 17m
Wed 10/146:55 pm -
1 stop4h 04m
Deal found 9/16![United Airlines logo]()
$233
This Priceline deal was found by Cheapflights users on 9/17. 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.
Tue 10/137:53 am -
Nonstop2h 49m
Tue 10/2011:49 am -
Nonstop2h 38m
Deal found 9/17![Multiple Airlines logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/139:00 am -
Nonstop2h 54m
Thu 10/1511:49 am -
Nonstop2h 38m
Deal found 9/17![Frontier logo]()
$206
This Gotogate deal was found by Cheapflights users on 9/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:00 am -
Nonstop2h 54m
Tue 10/202:48 pm -
Nonstop2h 37m
Deal found 9/18![Multiple Airlines logo]()
$209
This Priceline deal was found by Cheapflights users on 9/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am -
Nonstop2h 54m
Tue 11/1710:34 am -
1 stop7h 45m
Deal found 9/18![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/207:53 am -
Nonstop2h 49m
Tue 10/2011:49 am -
Nonstop2h 38m
Deal found 9/17![Multiple Airlines logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:07 am -
1 stop7h 17m
Tue 10/202:48 pm -
Nonstop2h 37m
Deal found 9/16![Alaska Airlines logo]()
$213
This Booking.com deal was found by Cheapflights users on 9/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am -
Nonstop2h 54m
Sat 10/246:09 am -
1 stop6h 59m
Deal found 9/18![Multiple Airlines logo]()
$214
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:00 am -
Nonstop2h 54m
Thu 10/2912:02 pm -
Nonstop2h 33m
Deal found 9/16![Frontier logo]()
$200
One-way flights from Colorado to PortlandSearch for one-way flight options from Colorado to Portland. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Colorado to Portland. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:10 am -
1 stop11h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$112
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:53 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$113
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Thu 10/159:00 am -
Nonstop2h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:00 am -
Nonstop2h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$116
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/45:10 pm -
1 stop5h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$117
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/171:29 pm -
1 stop6h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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.
Wed 12/210:50 pm -
1 stop14h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 9/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:42 pm -
1 stop17h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$121
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/75:00 am -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 11/1910:44 pm -
1 stop15h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$124
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Sat 10/1010:55 pm -
1 stop12h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$125
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 12/37:40 am -
Nonstop2h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$126
Find flight deals from Colorado to Portland
Keep the following information in mind while searching for Colorado to Portland flight deals. Data was last updated September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (Super.com) |
One-way from | $112 (Frontier) |
Popular in | June |
Cheapest in | January |
Average price | $265 |
Good round-trip deal | $287 or less |
Good one-way deal | $177 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Portland 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 September 20, 2026.
Use the filters below to find and compare flights from Colorado to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DenverPortland
DEN Denver Intl - PDX Portland
DENPDX
Denver Intl
Wed 10/14
9:10 pm-10:53 pm
Nonstop2h 43m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$113
DenverPortland
DEN Denver Intl - PDX Portland
DENPDX
Denver Intl
Wed 12/16
7:40 am-9:39 am
Nonstop2h 59m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$113
Colorado SpringsPortland
COS Colorado Springs - PDX Portland
COSPDX
Colorado Springs
Wed 11/4
5:10 pm-9:13 pm
1 stop5h 03m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$117
DenverPortland
DEN Denver Intl - PDX Portland
DENPDX
Denver Intl
Wed 10/7
5:00 am-10:10 am
1 stop6h 10m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$123
DenverPortland
DEN Denver Intl - PDX Portland
DENPDX
Denver Intl
Wed 12/2
3:10 pm-9:50 pm
2 stops7h 40m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
DenverPortland
DEN Denver Intl - PDX Portland
DENPDX
Denver Intl
Tue 11/17
3:10 pm-9:50 pm
2 stops7h 40m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
DenverPortland
DEN Denver Intl - PDX Portland
DENPDX
Denver Intl
Wed 11/18
7:33 am-9:30 am
Nonstop2h 57m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
DenverPortland
DEN Denver Intl - PDX Portland
DENPDX
Denver Intl
Tue 12/15
6:34 pm-11:39 pm
1 stop6h 05m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
DenverPortland
DEN Denver Intl - PDX Portland
DENPDX
Denver Intl
Thu 12/3
3:10 pm-9:50 pm
2 stops7h 40m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$141
Colorado SpringsPortland
COS Colorado Springs - PDX Portland
COSPDX
Colorado Springs
Fri 11/6
1:20 pm-6:09 pm
1 stop5h 49m
Portland
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$148
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Colorado to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Colorado with our price prediction graph.
DEN-PDX
COS-PDX
HDN-PDX
DRO-PDX
GJT-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado to Portland
USCO-PDX
DEN-PDX
COS-PDX
HDN-PDX
DRO-PDX
What is the cheapest month to book a flight from Colorado to Portland?
Currently, January is the cheapest month in which you can book a flight from Colorado to Portland (average of $202). Flying from Colorado to Portland in June is currently the most expensive (average of $322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CO to PDX?
Find hourly flight availability from Colorado to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 20, 2026.
It’s optimal to fly from Colorado to Portland in the afternoon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Colorado to Portland
Explore weekly flight availability from Colorado to Portland. 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 September 20, 2026.
The most flights from USCO to PDX are scheduled on a Friday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Colorado to Portland?
Airfare is typical for this route at the moment.
Colorado to Portland flights typically cost between $195 and $332 in December.The cheapest round-trip price found within the last 5 days was $199 on Frontier (Dec 4-Dec 6).
How far ahead should I book a flight from Colorado to Portland?
The price you pay for your flight from Colorado to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Colorado to Portland?
Use this chart to determine the cheapest time to fly round-trip from Colorado to Portland. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Colorado to Portland flight should consider departing on Saturday afternoons 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.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Cannon Beach
Vancouver
Kelso
Troutdale
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Colorado to Portland
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Complete your trip
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Search flights from Colorado to Portland by cabin class
Find flights from Colorado to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Portland flights
Browse other Colorado and Portland flight options. Last updated on September 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 20, 2026.
Colorado to Portland flights
Consider these flights traveling from Colorado to Portland.
Top 6 airlines flying from Colorado to Portland
Discover the top 6 airlines that operate flights from Colorado to Portland. 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 September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$147 | Average$402 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$386 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$148 | Average$286 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$281 | Average$460 | FlexibilityNo cancel fee | On-time71% |