$168+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
Jul 5 — Jul 121
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
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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 89 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from Denver to Portland
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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 June 5, 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 June 5, 2026.
This Delta deal was found by Cheapflights users on 6/2. 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 8/261:15 pm
DEN
- PWM
2 stops9h 44m
Delta
Wed 9/212:47 pm
PWM
- DEN
2 stops12h 15m
Delta
Deal found 6/2![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 6/3. 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 9/811:15 am
DEN
- PWM
2 stops8h 50m
Southwest
Mon 9/215:55 am
PWM
- DEN
1 stop6h 25m
Southwest
Deal found 6/3![Southwest logo]()
$364
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:45 am
DEN
- PWM
2 stops8h 14m
Delta
Fri 10/161:35 pm
PWM
- DEN
2 stops10h 58m
Delta
Deal found 6/4![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/221:53 pm
DEN
- PWM
1 stop7h 58m
United Airlines
Tue 7/287:16 pm
PWM
- DEN
1 stop7h 14m
United Airlines
Deal found 6/3![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 6/2. 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 8/1811:59 pm
DEN
- PWM
1 stop8h 05m
United Airlines
Wed 8/263:37 pm
PWM
- DEN
Nonstop4h 33m
United Airlines
Deal found 6/2![United Airlines logo]()
$371
This Priceline deal was found by Cheapflights users on 6/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:15 pm
DEN
- PWM
1 stop6h 37m
Multiple Airlines
Thu 10/812:35 pm
PWM
- DEN
1 stop6h 16m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 6/3. 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 9/81:35 pm
DEN
- PWM
1 stop6h 58m
Delta
Mon 9/216:02 am
PWM
- DEN
1 stop6h 46m
Delta
Deal found 6/3![Delta logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/202:41 pm
DEN
- PWM
1 stop29h 57m
Multiple Airlines
Mon 8/247:00 am
PWM
- DEN
1 stop16h 43m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:50 am
DEN
- PWM
1 stop8h 41m
Delta
Thu 8/2712:47 pm
PWM
- DEN
2 stops12h 04m
Delta
Deal found 6/2![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 6/1. 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 8/1911:05 am
DEN
- PWM
2 stops8h 05m
Southwest
Mon 8/245:55 am
PWM
- DEN
1 stop6h 25m
Southwest
Deal found 6/1![Southwest logo]()
$381
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Mon 7/2011:55 pm
DEN
- PWM
1 stop8h 36m
American Airlines
Thu 7/302:56 pm
PWM
- DEN
1 stop9h 29m
American Airlines
Deal found 6/4![American Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 5/31. 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 6/191:15 pm
DEN
- PWM
1 stop7h 50m
Delta
Sat 6/272:59 pm
PWM
- DEN
1 stop9h 46m
Delta
Deal found 5/31![Delta logo]()
$384
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 June 5, 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 June 5, 2026.
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:45 am
DEN
- PWM
2 stops11h 28m
Delta
Fri 8/216:00 am
PWM
- DEN
2 stops9h 17m
Delta
Deal found 6/4![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 5/31. 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 8/1211:15 am
DEN
- PWM
2 stops8h 50m
Southwest
Mon 8/175:55 am
PWM
- DEN
2 stops7h 30m
Southwest
Deal found 5/31![Southwest logo]()
$438
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:41 pm
DEN
- PWM
1 stop7h 49m
United Airlines
Tue 6/307:16 pm
PWM
- DEN
1 stop7h 14m
United Airlines
Deal found 6/4![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 6/2. 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 8/2612:59 am
DEN
- PWM
2 stops11h 14m
Delta
Sun 8/306:00 am
PWM
- DEN
1 stop6h 47m
Delta
Deal found 6/2![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 5/31. 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 7/266:05 am
DEN
- PWM
1 stop7h 56m
Delta
Wed 8/56:05 am
PWM
- DEN
1 stop9h 12m
Delta
Deal found 5/31![Delta logo]()
$444
This Southwest deal was found by Cheapflights users on 5/31. 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 8/1211:15 am
DEN
- PWM
2 stops8h 50m
Southwest
Sun 8/165:15 pm
PWM
- DEN
1 stop8h 25m
Southwest
Deal found 5/31![Southwest logo]()
$498
This United Airlines deal was found by Cheapflights users on 5/30. 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 6/1311:59 pm
DEN
- PWM
1 stop8h 08m
United Airlines
Wed 6/173:31 pm
PWM
- DEN
Nonstop4h 39m
United Airlines
Deal found 5/30![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 6/1. 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 7/289:39 am
DEN
- PWM
2 stops11h 51m
Delta
Mon 8/34:47 pm
PWM
- DEN
2 stops9h 49m
Delta
Deal found 6/1![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 6/4. 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 6/1112:50 pm
DEN
- PWM
2 stops9h 15m
Southwest
Mon 6/155:20 pm
PWM
- DEN
1 stop6h 40m
Southwest
Deal found 6/4![Southwest logo]()
$544
This United Airlines deal was found by Cheapflights users on 6/3. 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 8/119:53 am
DEN
- PWM
Nonstop3h 58m
United Airlines
Wed 8/193:37 pm
PWM
- DEN
Nonstop4h 33m
United Airlines
Deal found 6/3![United Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 6/2. 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 7/3012:10 pm
DEN
- PWM
2 stops10h 49m
Delta
Wed 8/512:47 pm
PWM
- DEN
2 stops12h 15m
Delta
Deal found 6/2![Delta logo]()
$589
Last-minute flights from Denver to PortlandDiscover last-minute flight deals from Denver to Portland. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Portland. Data last updated June 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/31. 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 6/169:40 am
DEN
- PWM
2 stops11h 49m
Delta
Fri 7/311:02 am
PWM
- DEN
2 stops11h 42m
Delta
Deal found 5/31![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 5/31. 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 6/191:15 pm
DEN
- PWM
1 stop7h 50m
Delta
Sat 6/272:59 pm
PWM
- DEN
1 stop9h 46m
Delta
Deal found 5/31![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/1. 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 7/36:05 am
DEN
- PWM
1 stop7h 50m
Delta
Sun 7/126:00 am
PWM
- DEN
1 stop7h 05m
Delta
Deal found 6/1![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 6/3. 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 7/72:34 pm
DEN
- PWM
1 stop8h 09m
American Airlines
Fri 7/106:01 pm
PWM
- DEN
1 stop7h 08m
American Airlines
Deal found 6/3![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 6/2. 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 7/72:34 pm
DEN
- PWM
1 stop8h 09m
American Airlines
Thu 7/98:00 am
PWM
- DEN
2 stops9h 30m
American Airlines
Deal found 6/2![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 7/1412:39 pm
DEN
- PWM
2 stops10h 04m
American Airlines
Sat 7/187:51 pm
PWM
- DEN
1 stop6h 26m
American Airlines
Deal found 6/4![American Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 6/3. 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 7/1510:52 am
DEN
- PWM
2 stops12h 07m
Delta
Wed 7/2211:47 am
PWM
- DEN
2 stops12h 57m
Delta
Deal found 6/3![Delta logo]()
$385
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Mon 7/2011:55 pm
DEN
- PWM
1 stop8h 36m
American Airlines
Thu 7/302:56 pm
PWM
- DEN
1 stop9h 29m
American Airlines
Deal found 6/4![American Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/221:53 pm
DEN
- PWM
1 stop7h 58m
United Airlines
Tue 7/287:16 pm
PWM
- DEN
1 stop7h 14m
United Airlines
Deal found 6/3![United Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 5/31. 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 7/2810:38 am
DEN
- PWM
2 stops9h 58m
American Airlines
Tue 8/46:01 pm
PWM
- DEN
1 stop7h 08m
American Airlines
Deal found 5/31![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 6/1. 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 7/287:15 am
DEN
- PWM
1 stop8h 39m
Delta
Mon 8/34:47 pm
PWM
- DEN
2 stops9h 49m
Delta
Deal found 6/1![Delta logo]()
$379
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 June 5, 2026.
Search for one-way flight options from Denver to Portland. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/92:48 pm
DEN
- PWM
1 stop29h 50m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$168
This Priceline deal was found by Cheapflights users on 6/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:09 pm
DEN
- PWM
1 stop8h 07m
JetBlue
Deal found 6/4![JetBlue logo]()
$179
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 7/282:34 pm
DEN
- PWM
1 stop8h 09m
American Airlines
Deal found 6/4![American Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 6/2. 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 7/2812:20 pm
DEN
- PWM
2 stops7h 15m
Southwest
Deal found 6/2![Southwest logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 8/18:52 pm
DEN
- PWM
2 stops34h 20m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 7/22:41 pm
DEN
- PWM
1 stop29h 57m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/294:59 pm
DEN
- PWM
2 stops38h 13m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Mon 7/272:34 pm
DEN
- PWM
1 stop8h 09m
American Airlines
Deal found 6/4![American Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 6/2. 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 7/241:20 pm
DEN
- PWM
2 stops8h 50m
Southwest
Deal found 6/2![Southwest logo]()
$214
This Southwest deal was found by Cheapflights users on 6/1. 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 6/157:05 pm
DEN
- PWM
1 stop12h 50m
Southwest
Deal found 6/1![Southwest logo]()
$215
This Expedia deal was found by Cheapflights users on 6/3. 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 7/1311:37 pm
DEN
- PWM
2 stops10h 53m
JetBlue
Deal found 6/3![JetBlue logo]()
$217
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 June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
One-way from | $168 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $530 |
Good round-trip deal | $563 or less |
Good one-way deal | $389 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 June 5, 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
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Thu 8/13
12:45 am-2:13 pm
2 stops11h 28m
Portland
Fri 8/21
6:00 am-1:17 pm
2 stops9h 17m
$385
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Wed 8/12
11:15 am-10:05 pm
2 stops8h 50m
Portland
Mon 8/17
5:55 am-11:25 am
2 stops7h 30m
$438
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Wed 8/26
12:59 am-2:13 pm
2 stops11h 14m
Portland
Sun 8/30
6:00 am-10:47 am
1 stop6h 47m
$444
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Sun 7/26
6:05 am-4:01 pm
1 stop7h 56m
Portland
Wed 8/5
6:05 am-1:17 pm
1 stop9h 12m
$444
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Tue 7/28
9:39 am-11:30 pm
2 stops11h 51m
Portland
Mon 8/3
4:47 pm-12:36 am
2 stops9h 49m
$449
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Wed 8/12
11:15 am-10:05 pm
2 stops8h 50m
Portland
Sun 8/16
5:15 pm-11:40 pm
1 stop8h 25m
$498
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Tue 6/23
1:41 pm-11:30 pm
1 stop7h 49m
Portland
Tue 6/30
7:16 pm-12:30 am
1 stop7h 14m
$505
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Sat 6/13
11:59 pm-10:07 am
1 stop8h 08m
Portland
Wed 6/17
3:31 pm-6:10 pm
Nonstop4h 39m
$509
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Thu 6/11
12:50 pm-12:05 am
2 stops9h 15m
Portland
Mon 6/15
5:20 pm-10:00 pm
1 stop6h 40m
$544
Quickest round-trip
DenverPortland
DEN - PWM
DENPWM
Denver Intl
Tue 8/11
9:53 am-3:51 pm
Nonstop3h 58m
Portland
Wed 8/19
3:37 pm-6:10 pm
Nonstop4h 33m
$559
Showing 1-10 of 20 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 June.
| 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?
Booking 70 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 $363). Flying from Denver to Portland, Maine in June is currently the most expensive (average of $530). 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 June 5, 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 June 5, 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.
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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
Lewiston
Conway
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Search flights from Denver to Portland by cabin class
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Denver and Portland flights
Browse other Denver and Portland flight options. Last updated on June 5, 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 June 5, 2026.
Popular flight searches
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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 June 5, 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 2,558,603 searches. Data last updated June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$399 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$234 | Average$399 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$246 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$284 | Average$440 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$552 | FlexibilityNo cancel fee | On-time69% |