$126+ Cheap flights from Portland, ME to Denver (PWM - DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DEN
mar. 5 — mar. 121
1 adult, Economy
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Find cheap flights from Portland to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Portland to Denver Intl are usually found in October or November, booked 72 days in advance, depart on a Friday or Wednesday and return on a Tuesday
Cheap flight deals from Portland to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to DenverExplore the most affordable flight options available from Portland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 3, 2026.
Explore the most affordable flight options available from Portland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 3, 2026.
This JetBlue deal was found by Cheapflights users on 2/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/202:18 pm
PWM
- DEN
1 stop10h 43m
JetBlue
mar. 8/411:05 am
DEN
- PWM
1 stop10h 31m
JetBlue
Deal found 2/2![JetBlue logo]()
$215
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/255:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mié. 3/48:00 am
DEN
- PWM
1 stop7h 07m
American Airlines
Deal found 2/1![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 1/31. 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.
mar. 2/245:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mié. 3/42:20 pm
DEN
- PWM
1 stop6h 39m
American Airlines
Deal found 1/31![American Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 2/2. 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.
vie. 2/275:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mié. 3/47:00 am
DEN
- PWM
1 stop8h 07m
American Airlines
Deal found 2/2![American Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/45:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mar. 3/1010:25 am
DEN
- PWM
2 stops11h 30m
American Airlines
Deal found 2/1![American Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/166:20 pm
PWM
- DEN
1 stop6h 58m
United Airlines
mar. 10/209:50 am
DEN
- PWM
Nonstop3h 59m
United Airlines
Deal found 2/1![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/303:23 pm
PWM
- DEN
Nonstop4h 39m
United Airlines
mar. 5/59:45 am
DEN
- PWM
Nonstop3h 56m
United Airlines
Deal found 2/1![United Airlines logo]()
$284
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/47:15 pm
PWM
- DEN
1 stop7h 07m
United Airlines
mar. 6/911:59 pm
DEN
- PWM
1 stop7h 12m
United Airlines
Deal found 2/1![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 1/31. 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.
mar. 2/245:45 am
PWM
- DEN
2 stops9h 25m
Southwest
mié. 3/46:20 am
DEN
- PWM
1 stop6h 30m
Southwest
Deal found 1/31![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/285:57 pm
PWM
- DEN
1 stop6h 40m
American Airlines
sáb. 3/77:00 am
DEN
- PWM
1 stop8h 27m
American Airlines
Deal found 2/1![American Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/174:23 pm
PWM
- DEN
1 stop7h 32m
United Airlines
lun. 3/2311:59 pm
DEN
- PWM
1 stop8h 50m
United Airlines
Deal found 2/1![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 2/2. 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.
mié. 6/33:35 pm
PWM
- DEN
Nonstop4h 45m
United Airlines
lun. 6/811:59 pm
DEN
- PWM
1 stop7h 12m
United Airlines
Deal found 2/2![United Airlines logo]()
$312
Best flights from Portland to DenverDiscover carefully curated flight deals from Portland to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 3, 2026.
Discover carefully curated flight deals from Portland to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated febrero 3, 2026.
This American Airlines deal was found by Cheapflights users on 1/31. 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.
mar. 2/245:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mié. 3/42:20 pm
DEN
- PWM
1 stop6h 39m
American Airlines
Deal found 1/31![American Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/303:23 pm
PWM
- DEN
Nonstop4h 39m
United Airlines
mar. 5/59:45 am
DEN
- PWM
Nonstop3h 56m
United Airlines
Deal found 2/1![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 2/1. 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.
vie. 2/272:25 pm
PWM
- DEN
1 stop7h 35m
Southwest
jue. 3/55:25 am
DEN
- PWM
1 stop6h 50m
Southwest
Deal found 2/1![Southwest logo]()
$289
This American Airlines deal was found by Cheapflights users on 2/3. 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.
mié. 2/255:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mié. 3/42:20 pm
DEN
- PWM
1 stop6h 39m
American Airlines
Deal found 2/3![American Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/247:33 pm
PWM
- DEN
1 stop7h 11m
United Airlines
lun. 4/2711:59 pm
DEN
- PWM
1 stop7h 26m
United Airlines
Deal found 2/1![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 1/31. 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.
mar. 2/245:45 am
PWM
- DEN
2 stops10h 25m
Southwest
mié. 3/46:20 am
DEN
- PWM
1 stop6h 30m
Southwest
Deal found 1/31![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/45:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mar. 3/109:17 am
DEN
- PWM
1 stop5h 50m
American Airlines
Deal found 2/1![American Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/174:23 pm
PWM
- DEN
1 stop7h 32m
United Airlines
lun. 3/2311:59 pm
DEN
- PWM
1 stop8h 50m
United Airlines
Deal found 2/1![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 2/1. 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.
lun. 3/235:30 pm
PWM
- DEN
1 stop7h 05m
Southwest
mié. 3/255:40 am
DEN
- PWM
1 stop8h 15m
Southwest
Deal found 2/1![Southwest logo]()
$321
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/285:57 pm
PWM
- DEN
1 stop6h 40m
American Airlines
jue. 3/511:48 am
DEN
- PWM
1 stop9h 02m
American Airlines
Deal found 2/1![American Airlines logo]()
$305
Last-minute flights from Portland to DenverDiscover last-minute flight deals from Portland to Denver. Data last updated febrero 3, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Denver. Data last updated febrero 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/196:00 am
PWM
- DEN
1 stop8h 12m
United Airlines
mar. 2/246:00 am
DEN
- PWM
1 stop7h 14m
United Airlines
Deal found 2/1![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 1/31. 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.
mar. 2/245:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mié. 3/42:20 pm
DEN
- PWM
1 stop6h 39m
American Airlines
Deal found 1/31![American Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 1/31. 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.
mar. 2/245:45 am
PWM
- DEN
2 stops10h 25m
Southwest
mié. 3/46:20 am
DEN
- PWM
1 stop6h 30m
Southwest
Deal found 1/31![Southwest logo]()
$294
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/255:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mié. 3/48:00 am
DEN
- PWM
1 stop7h 07m
American Airlines
Deal found 2/1![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 2/2. 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.
vie. 2/275:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mié. 3/47:00 am
DEN
- PWM
1 stop8h 07m
American Airlines
Deal found 2/2![American Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 2/1. 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.
vie. 2/272:25 pm
PWM
- DEN
1 stop7h 35m
Southwest
jue. 3/55:25 am
DEN
- PWM
1 stop6h 50m
Southwest
Deal found 2/1![Southwest logo]()
$289
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/285:57 pm
PWM
- DEN
1 stop6h 40m
American Airlines
sáb. 3/77:00 am
DEN
- PWM
1 stop8h 27m
American Airlines
Deal found 2/1![American Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/45:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
mar. 3/106:50 am
DEN
- PWM
2 stops9h 14m
American Airlines
Deal found 2/1![American Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/174:23 pm
PWM
- DEN
1 stop7h 32m
United Airlines
lun. 3/2311:59 pm
DEN
- PWM
1 stop8h 50m
United Airlines
Deal found 2/1![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 2/1. 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.
lun. 3/235:30 pm
PWM
- DEN
1 stop7h 05m
Southwest
mié. 3/255:40 am
DEN
- PWM
1 stop8h 15m
Southwest
Deal found 2/1![Southwest logo]()
$321
One-way flights from Portland to DenverSearch for one-way flight options from Portland to Denver. Find affordable one-way fares based on user searches. Data last updated febrero 3, 2026.
Search for one-way flight options from Portland to Denver. Find affordable one-way fares based on user searches. Data last updated febrero 3, 2026.
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/285:57 pm
PWM
- DEN
1 stop6h 40m
American Airlines
Deal found 2/1![American Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/25:06 pm
PWM
- DEN
3 stops30h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$155
This United Airlines deal was found by Cheapflights users on 2/2. 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.
jue. 4/304:45 pm
PWM
- DEN
1 stop8h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 2/2. 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.
jue. 4/3012:45 pm
PWM
- DEN
2 stops9h 05m
Southwest
Deal found 2/2![Southwest logo]()
$175
This Southwest deal was found by Cheapflights users on 2/1. 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.
lun. 3/23:55 pm
PWM
- DEN
1 stop8h 45m
Southwest
Deal found 2/1![Southwest logo]()
$177
This American Airlines deal was found by Cheapflights users on 2/2. 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.
vie. 2/275:40 pm
PWM
- DEN
1 stop6h 57m
American Airlines
Deal found 2/2![American Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 2/1. 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.
sáb. 2/285:25 am
PWM
- DEN
2 stops9h 50m
Southwest
Deal found 2/1![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 2/2. 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.
lun. 3/3012:35 pm
PWM
- DEN
2 stops9h 30m
Southwest
Deal found 2/2![Southwest logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
lun. 3/305:06 pm
PWM
- DEN
3 stops46h 01m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 2/2. 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.
vie. 2/272:25 pm
PWM
- DEN
2 stops10h 50m
Southwest
Deal found 2/2![Southwest logo]()
$215
This Southwest deal was found by Cheapflights users on 2/2. 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.
mar. 2/173:55 pm
PWM
- DEN
1 stop8h 45m
Southwest
Deal found 2/2![Southwest logo]()
$240
Find flight deals from Portland to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (American Airlines) |
One-way from | $126 (American Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $407 |
Good round-trip deal | $487 or less |
Good one-way deal | $191 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 3, 2026.
Use the filters below to find and compare flights from Portland to Denver that are best for you.
Fly from
Portland
Fly to
Denver
Route
Depart
Return
Price
PortlandDenver
PWM - DEN
PWMDEN
Portland
mar. 2/24
5:40 pm-10:37 pm
1 stop6h 57m
Denver Intl
mié. 3/4
2:20 pm-10:59 pm
1 stop6h 39m
$251
PortlandDenver
PWM - DEN
PWMDEN
Portland
mié. 2/25
5:40 pm-10:37 pm
1 stop6h 57m
Denver Intl
mié. 3/4
2:20 pm-10:59 pm
1 stop6h 39m
$251
PortlandDenver
PWM - DEN
PWMDEN
Portland
mié. 3/4
5:40 pm-10:37 pm
1 stop6h 57m
Denver Intl
mar. 3/10
9:17 am-5:07 pm
1 stop5h 50m
$270
PortlandDenver
PWM - DEN
PWMDEN
Portland
jue. 4/30
3:23 pm-6:02 pm
Nonstop4h 39m
Denver Intl
mar. 5/5
9:45 am-3:41 pm
Nonstop3h 56m
$284
PortlandDenver
PWM - DEN
PWMDEN
Portland
vie. 2/27
2:25 pm-8:00 pm
1 stop7h 35m
Denver Intl
jue. 3/5
5:25 am-2:15 pm
1 stop6h 50m
$289
PortlandDenver
PWM - DEN
PWMDEN
Portland
vie. 4/24
7:33 pm-12:44 am
1 stop7h 11m
Denver Intl
lun. 4/27
11:59 pm-9:25 am
1 stop7h 26m
$289
PortlandDenver
PWM - DEN
PWMDEN
Portland
mar. 2/24
5:45 am-2:10 pm
2 stops10h 25m
Denver Intl
mié. 3/4
6:20 am-2:50 pm
1 stop6h 30m
$294
PortlandDenver
PWM - DEN
PWMDEN
Portland
sáb. 2/28
5:57 pm-10:37 pm
1 stop6h 40m
Denver Intl
jue. 3/5
11:48 am-10:50 pm
1 stop9h 02m
$305
PortlandDenver
PWM - DEN
PWMDEN
Portland
mar. 3/17
4:23 pm-9:55 pm
1 stop7h 32m
Denver Intl
lun. 3/23
11:59 pm-10:49 am
1 stop8h 50m
$307
PortlandDenver
PWM - DEN
PWMDEN
Portland
lun. 3/23
5:30 pm-10:35 pm
1 stop7h 05m
Denver Intl
mié. 3/25
5:40 am-3:55 pm
1 stop8h 15m
$321
Showing 1-10 of 20 results
Compare providers for flights from Portland to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Denver in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland, Maine-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Portland with our price prediction graph.
PWM-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Denver
How far ahead should I book a flight from Portland, Maine to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Denver. Price data was last updated on January 30, 2026.
Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Denver. 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 Portland, Maine to Denver?
Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Denver (average of $87). Flying from Portland, Maine to Denver in August is currently the most expensive (average of $169). 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 Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated febrero 3, 2026.
Read through reviews of airlines operating flights from Portland to Denver, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Portland to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen
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Alternative routes for Portland to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Portland to Denver
Discover the top 6 airlines that operate flights from Portland to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$87 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$341 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$444 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$294 | Average$529 | FlexibilityNo cancel fee | On-time69% |