$78+ Cheap flights from Portland to Denver (PDX - DEN)
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DEN
May 17 — May 241
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Denver 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.Cheapflights Tip: The best prices from Portland to Denver Intl are usually found in August or September, booked 64 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Portland to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to DenverExplore the most affordable flight options available from Portland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
Explore the most affordable flight options available from Portland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:27 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Sun 5/38:24 am
DEN
- PDX
Nonstop2h 56m
Frontier
Deal found 4/12![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Sun 6/73:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/14![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:27 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Thu 5/77:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 4/12![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 4/16. 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.
Tue 4/2812:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Thu 5/73:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/16![Frontier logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Sat 8/293:10 pm
DEN
- PDX
Nonstop2h 47m
Frontier
Deal found 4/13![Frontier logo]()
$122
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:46 pm
PDX
- DEN
1 stop10h 52m
Frontier
Sun 5/103:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/14![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:58 am
PDX
- DEN
Nonstop2h 38m
Frontier
Thu 5/77:00 am
DEN
- PDX
1 stop5h 50m
Frontier
Deal found 4/12![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Thu 6/46:10 am
DEN
- PDX
1 stop29h 10m
Frontier
Deal found 4/13![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Tue 4/2810:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 4/14![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Sat 5/29:49 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 4/12![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sun 5/3111:15 am
PDX
- DEN
1 stop15h 10m
Frontier
Sun 6/73:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/16![Frontier logo]()
$131
Best flights from Portland to DenverDiscover carefully curated flight deals from Portland to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from Portland to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:05 pm
PDX
- DEN
Nonstop2h 39m
United Airlines
Sat 5/167:45 am
DEN
- PDX
1 stop8h 12m
United Airlines
Deal found 4/12![United Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 7/155:50 pm
PDX
- DEN
1 stop4h 52m
Delta
Wed 7/227:09 pm
DEN
- PDX
1 stop5h 35m
Delta
Deal found 4/14![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 4/15. 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 9/164:00 pm
PDX
- DEN
Nonstop2h 30m
Southwest
Mon 9/2110:25 am
DEN
- PDX
Nonstop2h 40m
Southwest
Deal found 4/15![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 7/31:14 pm
PDX
- DEN
1 stop7h 14m
United Airlines
Sat 7/118:05 am
DEN
- PDX
Nonstop2h 42m
United Airlines
Deal found 4/16![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:45 pm
PDX
- DEN
1 stop4h 45m
Delta
Mon 8/176:45 am
DEN
- PDX
1 stop4h 51m
Delta
Deal found 4/12![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 4/16. 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.
Fri 7/245:50 pm
PDX
- DEN
1 stop4h 52m
Delta
Mon 7/276:30 am
DEN
- PDX
1 stop6h 13m
Delta
Deal found 4/16![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 4/15. 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.
Thu 7/95:10 am
PDX
- DEN
2 stops6h 50m
Southwest
Tue 7/145:05 pm
DEN
- PDX
1 stop7h 45m
Southwest
Deal found 4/15![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 4/14. 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.
Thu 6/185:50 pm
PDX
- DEN
1 stop4h 55m
Delta
Mon 6/225:40 am
DEN
- PDX
1 stop3h 57m
Delta
Deal found 4/14![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 4/14. 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 7/285:00 am
PDX
- DEN
Nonstop2h 31m
United Airlines
Tue 7/283:47 pm
DEN
- PDX
1 stop8h 02m
United Airlines
Deal found 4/14![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:30 am
PDX
- DEN
2 stops8h 15m
Southwest
Sat 5/305:50 am
DEN
- PDX
2 stops6h 55m
Southwest
Deal found 4/12![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/14:15 pm
PDX
- DEN
Nonstop2h 39m
United Airlines
Tue 5/54:00 pm
DEN
- PDX
Nonstop2h 44m
United Airlines
Deal found 4/15![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:10 am
PDX
- DEN
2 stops6h 50m
Southwest
Sun 7/129:00 pm
DEN
- PDX
1 stop5h 00m
Southwest
Deal found 4/13![Southwest logo]()
$361
Last-minute flights from Portland to DenverDiscover last-minute flight deals from Portland to Denver. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Denver. Data last updated April 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Tue 4/2810:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 4/15![Frontier logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Wed 4/2212:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Sat 4/259:49 am
DEN
- PDX
1 stop27h 01m
Frontier
Deal found 4/16![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 4/16. 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 4/249:54 am
PDX
- DEN
1 stop7h 22m
Frontier
Thu 5/73:00 pm
DEN
- PDX
Nonstop2h 46m
Frontier
Deal found 4/16![Frontier logo]()
$165
This Frontier deal was found by Cheapflights users on 4/16. 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 4/249:54 am
PDX
- DEN
1 stop7h 22m
Frontier
Tue 4/2810:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 4/16![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 4/16. 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 4/249:54 am
PDX
- DEN
1 stop7h 22m
Frontier
Wed 4/2910:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 4/16![Frontier logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Sat 5/29:49 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 4/12![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Tue 4/2810:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 4/12![Frontier logo]()
$168
This Super.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:15 am
PDX
- DEN
Nonstop2h 38m
Frontier
Tue 4/2810:00 am
DEN
- PDX
Nonstop2h 52m
Frontier
Deal found 4/12![Frontier logo]()
$186
This Expedia deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:54 am
PDX
- DEN
1 stop24h 40m
Frontier
Thu 4/306:00 am
DEN
- PDX
1 stop9h 10m
Frontier
Deal found 4/12![Frontier logo]()
$180
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:48 am
PDX
- DEN
Nonstop2h 38m
Frontier
Sat 5/29:49 am
DEN
- PDX
Nonstop2h 53m
Frontier
Deal found 4/14![Frontier logo]()
$197
One-way flights from Portland to DenverSearch for one-way flight options from Portland to Denver. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from Portland to Denver. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:46 pm
PDX
- DEN
1 stop28h 39m
Frontier
Deal found 4/12![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 4/14. 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.
Wed 4/2912:38 pm
PDX
- DEN
Nonstop2h 40m
Frontier
Deal found 4/14![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 4/16. 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.
Mon 7/2012:26 pm
PDX
- DEN
Nonstop2h 42m
Frontier
Deal found 4/16![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 4/16. 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.
Mon 5/1812:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 4/16![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:46 pm
PDX
- DEN
1 stop10h 52m
Frontier
Deal found 4/12![Frontier logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 4/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
PDX
- DEN
1 stop9h 12m
Frontier
Deal found 4/14![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 4/12![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Fri 5/1512:35 pm
PDX
- DEN
Nonstop2h 48m
Frontier
Deal found 4/16![Frontier logo]()
$99
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:19 pm
PDX
- DEN
1 stop26h 23m
Frontier
Deal found 4/16![Frontier logo]()
$108
Find flight deals from Portland to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $98 (Frontier) |
One-way from | $78 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $227 |
Good round-trip deal | $285 or less |
Good one-way deal | $156 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Denver 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 April 17, 2026.
Use the filters below to find and compare flights from Portland to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 5/13
7:05 pm-10:44 pm
Nonstop2h 39m
Denver Intl
Sat 5/16
7:45 am-2:57 pm
1 stop8h 12m
$227
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 7/3
1:14 pm-9:28 pm
1 stop7h 14m
Denver Intl
Sat 7/11
8:05 am-9:47 am
Nonstop2h 42m
$257
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 7/15
5:50 pm-11:42 pm
1 stop4h 52m
Denver Intl
Wed 7/22
7:09 pm-11:44 pm
1 stop5h 35m
$267
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 8/11
5:45 pm-11:30 pm
1 stop4h 45m
Denver Intl
Mon 8/17
6:45 am-10:36 am
1 stop4h 51m
$267
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 7/24
5:50 pm-11:42 pm
1 stop4h 52m
Denver Intl
Mon 7/27
6:30 am-11:43 am
1 stop6h 13m
$267
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 6/18
5:50 pm-11:45 pm
1 stop4h 55m
Denver Intl
Mon 6/22
5:40 am-8:37 am
1 stop3h 57m
$303
Quickest round-trip
PortlandDenver
PDX - DEN
PDXDEN
Portland
Wed 9/16
4:00 pm-7:30 pm
Nonstop2h 30m
Denver Intl
Mon 9/21
10:25 am-12:05 pm
Nonstop2h 40m
$327
PortlandDenver
PDX - DEN
PDXDEN
Portland
Thu 7/9
5:10 am-1:00 pm
2 stops6h 50m
Denver Intl
Tue 7/14
5:05 pm-11:50 pm
1 stop7h 45m
$336
PortlandDenver
PDX - DEN
PDXDEN
Portland
Tue 7/28
5:00 am-8:31 am
Nonstop2h 31m
Denver Intl
Tue 7/28
3:47 pm-10:49 pm
1 stop8h 02m
$337
PortlandDenver
PDX - DEN
PDXDEN
Portland
Fri 5/1
4:15 pm-7:54 pm
Nonstop2h 39m
Denver Intl
Tue 5/5
4:00 pm-5:44 pm
Nonstop2h 44m
$337
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Portland to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Denver in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Portland with our price prediction graph.
PDX-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Denver
Prices
Airlines
Delays
How far ahead should I book a flight from Portland to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Denver. Price data was last updated on April 10, 2026.
The best time to book flights from Portland to Denver is 64 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 month to book a flight from Portland to Denver?
Currently, August is the cheapest month in which you can book a flight from Portland to Denver (average of $173). Flying from Portland to Denver in March is currently the most expensive (average of $285). 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 DEN?
Find hourly flight availability from Portland to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2026.
A simple way to save on the total cost of your ticket is to fly from Portland to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Portland to Denver?
Use this chart to determine the cheapest time to fly round-trip from Portland to Denver. Price data was last updated on April 11, 2026.
Travelers seeking maximum savings on their Portland to Denver 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.
How often are flights from Portland to Denver delayed?
About 15% of weekly flights between Portland and Denver have experienced delays in the past year, with the average delay time being 131 minutes.
What is the most punctual flight time for Portland to Denver flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Portland to Denver flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
The best insider tips for Portland to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Portland to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated April 17, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andHawaiian Airlines from Portland to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Portland to Denver. 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 Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen
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Complete your trip
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
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Portland and Denver flights
Browse other Portland and Denver flight options. Last updated on April 17, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
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Top 6 airlines flying from Portland to Denver
Discover the top 6 airlines that operate flights from Portland to Denver. 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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$154 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$231 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$208 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$258 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$143 | Average$281 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$147 | Average$263 | FlexibilityNo cancel fee | On-time63% |