$136+ Cheap flights from Denver to Portland, ME (DEN - PWM)
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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
Dec 9 — Dec 161
Round-trip
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
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 Denver Intl to Portland are usually found in January or March, booked 32 days in advance, depart on a Saturday or Monday and return on a Thursday
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 November 9, 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 November 9, 2026.
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop5h 45m
Tue 12/1512:45 pm -
1 stop6h 50m
Deal found 11/4![Southwest logo]()
$377
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/93:04 pm -
1 stop6h 15m
Sat 12/125:00 am -
2 stops11h 22m
Deal found 11/4![American Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:19 pm -
1 stop22h 13m
Wed 12/97:12 pm -
2 stops22h 34m
Deal found 11/7![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/211:59 pm -
1 stop31h 09m
Wed 12/97:12 pm -
2 stops22h 34m
Deal found 11/7![Multiple Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop5h 45m
Thu 12/105:15 am -
2 stops9h 55m
Deal found 11/5![Southwest logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:19 pm -
1 stop22h 13m
Mon 12/75:35 pm -
2 stops16h 38m
Deal found 11/7![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:41 am -
1 stop24h 27m
Wed 12/97:12 pm -
2 stops22h 34m
Deal found 11/7![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/16:41 am -
1 stop24h 27m
Wed 12/97:12 pm -
2 stops22h 34m
Deal found 11/7![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/211:59 pm -
1 stop31h 09m
Mon 12/75:35 pm -
2 stops16h 38m
Deal found 11/7![Multiple Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 12/2812:51 am -
1 stop6h 16m
Mon 1/47:08 pm -
1 stop7h 07m
Deal found 11/5![United Airlines logo]()
$424
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 November 9, 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 November 9, 2026.
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/155:00 am -
1 stop8h 45m
Sun 2/218:40 am -
1 stop9h 30m
Deal found 11/4![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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 5/512:00 pm -
1 stop9h 23m
Tue 5/116:00 am -
1 stop10h 16m
Deal found 11/8![Delta logo]()
$429
This Southwest deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:00 am -
1 stop5h 45m
Sun 12/131:40 pm -
1 stop7h 10m
Deal found 11/7![Southwest logo]()
$429
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 1/812:55 pm -
1 stop8h 31m
Mon 1/115:30 am -
1 stop8h 15m
Deal found 11/6![Delta logo]()
$429
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:55 am -
2 stops8h 55m
Tue 12/155:15 am -
2 stops10h 05m
Deal found 11/4![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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.
Sun 1/1712:10 pm -
1 stop9h 00m
Sun 1/247:05 am -
2 stops11h 49m
Deal found 11/5![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 2/117:00 am -
1 stop7h 32m
Tue 2/166:00 am -
2 stops10h 05m
Deal found 11/7![Delta logo]()
$434
This Southwest deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 1/89:15 am -
2 stops10h 35m
Mon 1/1112:55 pm -
2 stops8h 15m
Deal found 11/6![Southwest logo]()
$439
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” 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 5/51:35 pm -
1 stop7h 48m
Wed 5/123:00 pm -
2 stops9h 59m
Deal found 11/6![Delta logo]()
$434
Last-minute flights from Denver to PortlandDiscover last-minute flight deals from Denver to Portland. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Portland. Data last updated November 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/16:41 am -
1 stop24h 27m
Wed 12/97:12 pm -
2 stops22h 34m
Deal found 11/7![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/211:59 pm -
1 stop31h 09m
Wed 12/97:12 pm -
2 stops22h 34m
Deal found 11/7![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 12/211:59 pm -
1 stop31h 09m
Mon 12/75:35 pm -
2 stops16h 38m
Deal found 11/7![Multiple Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop5h 45m
Thu 12/105:15 am -
2 stops9h 55m
Deal found 11/5![Southwest logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:41 am -
1 stop24h 27m
Wed 12/97:12 pm -
2 stops22h 34m
Deal found 11/7![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:19 pm -
1 stop22h 13m
Wed 12/97:12 pm -
2 stops22h 34m
Deal found 11/7![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:19 pm -
1 stop22h 13m
Mon 12/75:35 pm -
2 stops16h 38m
Deal found 11/7![Multiple Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/93:04 pm -
1 stop6h 15m
Sat 12/125:00 am -
2 stops11h 22m
Deal found 11/4![American Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop5h 45m
Tue 12/1512:45 pm -
1 stop6h 50m
Deal found 11/4![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 12/2812:51 am -
1 stop6h 16m
Mon 1/47:08 pm -
1 stop7h 07m
Deal found 11/5![United Airlines logo]()
$424
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 November 9, 2026.
Search for one-way flight options from Denver to Portland. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 1/127:03 am -
2 stops32h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1510:31 am -
1 stop23h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 2/49:15 pm -
3 stops42h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 1/67:18 am -
3 stops47h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 1/57:26 pm -
2 stops20h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 1/73:16 pm -
2 stops15h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” 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 1/97:26 pm -
2 stops35h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$174
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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $272 (Kiwi.com) |
One-way from | $136 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $547 |
Good round-trip deal | $499 or less |
Good one-way deal | $623 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 7,457,451 searches. Data last updated November 9, 2026.
Use the filters below to find and compare flights from Denver to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Tue 12/1
7:00 am-2:45 pm
1 stop5h 45m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Wed 12/2
11:06 am-9:40 pm
1 stop8h 34m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Thu 12/3
1:15 pm-9:50 pm
1 stop6h 35m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Tue 12/15
1:15 pm-9:50 pm
1 stop6h 35m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Sun 1/3
12:30 am-10:30 am
1 stop8h 00m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Fri 4/30
5:00 am-4:20 pm
1 stop9h 20m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Wed 12/2
10:30 am-9:50 pm
2 stops9h 20m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Sat 12/19
8:05 pm-9:50 am
1 stop11h 45m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Wed 12/16
10:00 am-9:50 pm
2 stops9h 50m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
DenverPortland
DEN Denver Intl - PWM Portland
DENPWM
Denver Intl
Fri 12/18
7:00 pm-9:25 am
1 stop12h 25m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$254
Showing 1-10 of 19 resultsSorted by cheapest first
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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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?
Booking 31 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, January is the cheapest month in which you can book a flight from Denver to Portland, Maine (average of $368). Flying from Denver to Portland, Maine in June is currently the most expensive (average of $607). 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 DEN to PWM?
Find hourly flight availability from Denver 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 November 9, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Portland, Maine as you normally would.
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 November 9, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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 locationsLewiston
North Conway
Brunswick
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Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Denver to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Portland flights
Browse other Denver and Portland flight options. Last updated on November 9, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on November 9, 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 November 9, 2026.
Top 5 airlines flying from Denver to Portland
Discover the top 5 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 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$266 | Average$435 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$276 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$466 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$500 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$362 | Average$595 | FlexibilityNo cancel fee | On-time69% |