$113+ Cheap flights from Denver to Portland, ME (DEN - PWM)
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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
Mar 13 — Mar 201
1 adult, Economy
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Find cheap flights from Denver 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Denver Intl to Portland are usually found in January or November, booked 28 days in advance, depart on a Tuesday or Friday and return on a Friday
Cheap flight deals from Denver to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to PortlandExplore the most affordable flight options available from Denver to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
Explore the most affordable flight options available from Denver to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:17 am
DEN
- PWM
1 stop5h 50m
American Airlines
Tue 3/175:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
Deal found 2/10![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:36 am
DEN
- PWM
1 stop7h 45m
American Airlines
Mon 5/45:51 pm
PWM
- DEN
1 stop8h 08m
American Airlines
Deal found 2/11![American Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:20 pm
DEN
- PWM
1 stop9h 39m
Delta
Tue 8/253:00 pm
PWM
- DEN
1 stop7h 39m
Delta
Deal found 2/9![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:55 pm
DEN
- PWM
2 stops10h 00m
Southwest
Tue 3/174:30 pm
PWM
- DEN
1 stop6h 35m
Southwest
Deal found 2/10![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:36 am
DEN
- PWM
1 stop7h 45m
American Airlines
Wed 5/205:51 pm
PWM
- DEN
1 stop8h 15m
American Airlines
Deal found 2/9![American Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:55 pm
DEN
- PWM
1 stop10h 00m
Southwest
Thu 3/125:30 pm
PWM
- DEN
1 stop7h 05m
Southwest
Deal found 2/9![Southwest logo]()
$288
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:20 am
DEN
- PWM
2 stops11h 30m
American Airlines
Tue 3/106:00 am
PWM
- DEN
2 stops11h 54m
American Airlines
Deal found 2/9![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:59 pm
DEN
- PWM
1 stop6h 50m
United Airlines
Sat 5/233:35 pm
PWM
- DEN
Nonstop4h 45m
United Airlines
Deal found 2/11![United Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:24 pm
DEN
- PWM
1 stop9h 03m
American Airlines
Sat 5/93:40 pm
PWM
- DEN
2 stops10h 26m
American Airlines
Deal found 2/10![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
DEN
- PWM
1 stop6h 29m
United Airlines
Sat 6/137:15 pm
PWM
- DEN
1 stop7h 07m
United Airlines
Deal found 2/10![United Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:45 pm
DEN
- PWM
2 stops20h 46m
Multiple Airlines
Sat 5/165:01 pm
PWM
- DEN
1 stop9h 08m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$298
Best flights from Denver to PortlandDiscover carefully curated flight deals from Denver to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
Discover carefully curated flight deals from Denver to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:20 am
DEN
- PWM
1 stop6h 30m
Southwest
Tue 3/104:30 pm
PWM
- DEN
1 stop6h 35m
Southwest
Deal found 2/9![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:59 pm
DEN
- PWM
1 stop6h 50m
United Airlines
Sat 5/167:10 pm
PWM
- DEN
1 stop7h 34m
United Airlines
Deal found 2/9![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:20 am
DEN
- PWM
1 stop7h 37m
Delta
Sun 5/36:30 am
PWM
- DEN
1 stop7h 01m
Delta
Deal found 2/11![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:59 pm
DEN
- PWM
1 stop7h 12m
United Airlines
Thu 6/116:25 pm
PWM
- DEN
1 stop7h 12m
United Airlines
Deal found 2/11![United Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:55 pm
DEN
- PWM
2 stops10h 00m
Southwest
Tue 3/174:30 pm
PWM
- DEN
1 stop6h 35m
Southwest
Deal found 2/10![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:55 pm
DEN
- PWM
1 stop10h 00m
Southwest
Thu 3/125:30 pm
PWM
- DEN
1 stop7h 05m
Southwest
Deal found 2/9![Southwest logo]()
$288
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:52 pm
DEN
- PWM
1 stop6h 07m
United Airlines
Sun 5/107:10 pm
PWM
- DEN
1 stop7h 34m
United Airlines
Deal found 2/10![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:30 am
DEN
- PWM
2 stops9h 35m
Southwest
Wed 3/185:30 am
PWM
- DEN
2 stops10h 55m
Southwest
Deal found 2/11![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:50 am
DEN
- PWM
1 stop6h 05m
Southwest
Fri 4/35:30 pm
PWM
- DEN
1 stop7h 05m
Southwest
Deal found 2/9![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:40 am
DEN
- PWM
2 stops8h 50m
Southwest
Tue 6/307:10 pm
PWM
- DEN
1 stop6h 30m
Southwest
Deal found 2/11![Southwest logo]()
$334
Last-minute flights from Denver to PortlandDiscover last-minute flight deals from Denver to Portland. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Portland. Data last updated February 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:40 pm
DEN
- PWM
1 stop7h 40m
United Airlines
Tue 3/33:05 pm
PWM
- DEN
1 stop8h 51m
United Airlines
Deal found 2/9![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:10 pm
DEN
- PWM
1 stop7h 56m
Delta
Tue 3/32:35 pm
PWM
- DEN
1 stop9h 46m
Delta
Deal found 2/9![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:05 am
DEN
- PWM
1 stop5h 40m
Southwest
Wed 3/43:30 pm
PWM
- DEN
2 stops9h 10m
Southwest
Deal found 2/9![Southwest logo]()
$319
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:20 am
DEN
- PWM
2 stops11h 30m
American Airlines
Tue 3/106:00 am
PWM
- DEN
2 stops11h 54m
American Airlines
Deal found 2/9![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 am
DEN
- PWM
1 stop7h 07m
American Airlines
Sat 3/712:29 pm
PWM
- DEN
2 stops12h 08m
American Airlines
Deal found 2/9![American Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:00 am
DEN
- PWM
1 stop8h 07m
American Airlines
Mon 3/96:00 pm
PWM
- DEN
1 stop6h 37m
American Airlines
Deal found 2/11![American Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:17 am
DEN
- PWM
1 stop5h 50m
American Airlines
Tue 3/175:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
Deal found 2/10![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:55 pm
DEN
- PWM
2 stops10h 00m
Southwest
Tue 3/174:30 pm
PWM
- DEN
1 stop6h 35m
Southwest
Deal found 2/10![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:55 pm
DEN
- PWM
1 stop10h 00m
Southwest
Thu 3/125:30 pm
PWM
- DEN
1 stop7h 05m
Southwest
Deal found 2/9![Southwest logo]()
$288
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:30 am
DEN
- PWM
2 stops9h 35m
Southwest
Wed 3/185:30 am
PWM
- DEN
2 stops10h 55m
Southwest
Deal found 2/11![Southwest logo]()
$323
One-way flights from Denver to PortlandSearch for one-way flight options from Denver to Portland. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
Search for one-way flight options from Denver to Portland. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This JetBlue deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:29 pm
DEN
- PWM
1 stop7h 28m
JetBlue
Deal found 2/11![JetBlue logo]()
$113
This JetBlue deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/272:29 pm
DEN
- PWM
1 stop7h 28m
JetBlue
Deal found 2/9![JetBlue logo]()
$134
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:59 pm
DEN
- PWM
1 stop8h 50m
United Airlines
Deal found 2/10![United Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:55 pm
DEN
- PWM
2 stops10h 00m
Southwest
Deal found 2/11![Southwest logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:00 pm
DEN
- PWM
2 stops36h 49m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:50 am
DEN
- PWM
1 stop6h 55m
Southwest
Deal found 2/9![Southwest logo]()
$160
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:40 am
DEN
- PWM
1 stop7h 25m
Southwest
Deal found 2/10![Southwest logo]()
$165
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:59 pm
DEN
- PWM
1 stop7h 50m
United Airlines
Deal found 2/9![United Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/133:56 pm
DEN
- PWM
1 stop5h 54m
United Airlines
Deal found 2/10![United Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:00 am
DEN
- PWM
2 stops9h 19m
American Airlines
Deal found 2/9![American Airlines logo]()
$171
This Booking.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:49 pm
DEN
- PWM
1 stop16h 25m
Sun Country Air
Deal found 2/10![Sun Country Air logo]()
$173
Find flight deals from Denver to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Portland (PWM). 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 February 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (American Airlines) |
One-way from | $113 (JetBlue) |
Popular in | July |
Cheapest in | January |
Average price | $468 |
Good round-trip deal | $573 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver 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 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Denver to Portland that are best for you.
Fly from
Denver
Fly to
Portland
Route
Depart
Return
Price
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Wed 3/4
6:20 am-2:50 pm
1 stop6h 30m
Portland
Tue 3/10
4:30 pm-9:05 pm
1 stop6h 35m
$277
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Mon 5/11
11:59 pm-8:49 am
1 stop6h 50m
Portland
Sat 5/16
7:10 pm-12:44 am
1 stop7h 34m
$279
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Sat 5/30
11:59 pm-9:11 am
1 stop7h 12m
Portland
Thu 6/11
6:25 pm-11:37 pm
1 stop7h 12m
$279
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Tue 3/10
11:55 pm-11:55 am
2 stops10h 00m
Portland
Tue 3/17
4:30 pm-9:05 pm
1 stop6h 35m
$282
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Tue 3/10
11:55 pm-11:55 am
1 stop10h 00m
Portland
Thu 3/12
5:30 pm-10:35 pm
1 stop7h 05m
$288
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Wed 3/11
11:30 am-11:05 pm
2 stops9h 35m
Portland
Wed 3/18
5:30 am-2:25 pm
2 stops10h 55m
$323
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Wed 4/29
6:20 am-3:57 pm
1 stop7h 37m
Portland
Sun 5/3
6:30 am-11:31 am
1 stop7h 01m
$329
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Wed 5/6
3:52 pm-11:59 pm
1 stop6h 07m
Portland
Sun 5/10
7:10 pm-12:44 am
1 stop7h 34m
$329
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Wed 4/1
7:50 am-3:55 pm
1 stop6h 05m
Portland
Fri 4/3
5:30 pm-10:35 pm
1 stop7h 05m
$334
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Tue 6/23
7:40 am-6:30 pm
2 stops8h 50m
Portland
Tue 6/30
7:10 pm-11:40 pm
1 stop6h 30m
$334
Showing 1-10 of 20 results
Compare providers for flights from Denver to Portland
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 Denver to Portland in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Portland, Maine 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 Denver-Portland, Maine 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 Denver to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Denver with our price prediction graph.
DEN-PWM
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 Denver to Portland
How far ahead should I book a flight from Denver to Portland, Maine?
Use this chart to determine the optimal time to book a round-trip flight from Denver to Portland. Price data was last updated on February 6, 2026.
Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Portland, Maine. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Denver to Portland, Maine?
Currently, April is the cheapest month in which you can book a flight from Denver to Portland, Maine (average of $115). Flying from Denver to Portland, Maine in June is currently the most expensive (average of $175). 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.
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated February 11, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Denver to Portland 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.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Denver 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 locationsNorth Conway
Brunswick
Auburn
Conway
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Denver and Portland flights
Browse other Denver and Portland flight options. Last updated on February 11, 2026.
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Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 11, 2026.
Top 6 airlines flying from Denver to Portland
Discover the top 6 airlines that operate flights from Denver 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 2,558,603 searches. Data last updated February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$207 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$139 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$192 | Average$375 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$192 | Average$317 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$430 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$566 | FlexibilityNo cancel fee | On-time69% |