Cheap Flights from Denver, CO to Portland, ME from $148

Return flight: Portland – Denver

On Cheapflightsplus.com you will find 1 direct and 148 connecting flights from Denver to Portland. You can compare airfare deals from 4 airlines and multiple travel sites from $148, book and save on cheap plane tickets and last minute offers. Also check out DEN-PWM flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Denver to Portland Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $148 (one-way), $254 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Denver to Portland. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
09:53 — 15:48
09:53 — 15:48 UA2032 United Airlines
Denver — Portland
3h 55m
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from$296
05:02 — 14:44
05:02 — 08:31 UA320 United Airlines
Denver — Houston
1h 4m stop
09:35 — 14:44 UA5273 United Airlines
Houston — Portland
7h 42m
including layover
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from$271
05:10 — 14:40
05:10 — 08:35 UA320 United Airlines
Denver — Houston
55m stop
09:30 — 14:40 UA6144 United Airlines
Houston — Portland
7h 30m
including layover
Find flight
from$226
06:00 — 18:13
09:08 — 14:53 F93312 Frontier Airlines
Denver — Orlando
3h 10m stop
12:44 — 16:02 F92622 Frontier Airlines
Orlando — Portland
10h 13m
including layover
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from$148
06:00 — 16:52
06:00 — 11:44 UA2345 United Airlines
Denver — Newark
3h 41m stop
15:25 — 16:52 UA3651 United Airlines
Newark — Portland
8h 52m
including layover
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from$218
07:46 — 16:52
07:46 — 13:29 UA1536 United Airlines
Denver — Newark
1h 56m stop
15:25 — 16:52 UA3651 United Airlines
Newark — Portland
7h 6m
including layover
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from$218
07:46 — 18:37
07:46 — 13:29 UA1536 United Airlines
Denver — Newark
3h 41m stop
17:10 — 18:37 UA3599 United Airlines
Newark — Portland
8h 51m
including layover
Find flight
from$218
08:00 — 18:13
08:00 — 13:45 UA1994 United Airlines
Denver — Newark
3h 4m stop
16:49 — 18:13 UA334 United Airlines
Newark — Portland
8h 13m
including layover
Find flight
from$227
09:36 — 21:44
09:40 — 13:21 UA2329 United Airlines
Denver — Chicago
4h 58m stop
18:25 — 21:56 UA1974 United Airlines
Chicago — Portland
10h 8m
including layover
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from$271
10:11 — 18:37
09:42 — 15:25 UA2058 United Airlines
Denver — Newark
1h 12m stop
16:59 — 18:26 UA3599 United Airlines
Newark — Portland
6h 26m
including layover
Find flight
from$218
10:11 — 23:01
10:11 — 15:58 UA2058 United Airlines
Denver — Newark
5h 32m stop
21:30 — 23:01 UA3647 United Airlines
Newark — Portland
10h 50m
including layover
Find flight
from$325
11:15 — 19:29
11:15 — 16:43 UA2853 United Airlines
Denver — Washington D.C.
51m stop
17:34 — 19:29 UA3517 United Airlines
Washington D.C. — Portland
6h 14m
including layover
Find flight
from$218
11:15 — 21:44
11:25 — 15:05 UA2865 United Airlines
Denver — Chicago
3h 15m stop
18:30 — 22:01 UA1974 United Airlines
Chicago — Portland
8h 29m
including layover
Find flight
from$218
12:25 — 23:01
12:25 — 18:15 UA1283 United Airlines
Denver — Newark
3h 15m stop
21:30 — 23:01 UA3647 United Airlines
Newark — Portland
8h 36m
including layover
Find flight
from$218
12:30 — 23:14
12:30 — 18:25 UA1877 United Airlines
Denver — Newark
3h 20m stop
21:45 — 23:14 UA1232 United Airlines
Newark — Portland
8h 44m
including layover
Find flight
from$222
13:25 — 21:44
13:25 — 17:05 UA617 United Airlines
Denver — Chicago
1h 5m stop
18:25 — 21:56 UA1974 United Airlines
Chicago — Portland
6h 19m
including layover
Find flight
from$218
13:40 — 23:01
13:40 — 19:30 UA1505 United Airlines
Denver — Newark
2h stop
21:30 — 23:01 UA3647 United Airlines
Newark — Portland
7h 21m
including layover
Find flight
from$218
14:05 — 23:14
13:50 — 19:42 UA1505 United Airlines
Denver — Newark
1h 48m stop
22:14 — 23:42 UA1232 United Airlines
Newark — Portland
7h 9m
including layover
Find flight
from$220
14:05 — 23:14
14:05 — 19:57 UA1505 United Airlines
Denver — Newark
1h 48m stop
21:45 — 23:14 UA2127 United Airlines
Newark — Portland
7h 9m
including layover
Find flight
from$229
15:50 — 23:54
15:50 — 21:18 UA798 United Airlines
Denver — Washington D.C.
47m stop
22:05 — 23:54 UA3611 United Airlines
Washington D.C. — Portland
6h 4m
including layover
Find flight
from$218
15:54 — 23:59
15:40 — 21:06 UA798 United Airlines
Denver — Washington D.C.
56m stop
22:12 — 23:57 UA3674 United Airlines
Washington D.C. — Portland
6h 5m
including layover
Find flight
from$220
16:25 — 14:24
+1 day
16:25 — 20:08 UA250 United Airlines
Denver — Chicago
14h 50m stop
10:58 — 14:24 UA763 United Airlines
Chicago — Portland
19h 59m
including layover
Find flight
from$314
17:59 — 11:35
+1 day
17:01 — 20:02 SY656 Sun Country Airlines
Denver — Minneapolis
10h 54m stop
08:06 — 11:45 SY1821 Sun Country Airlines
Minneapolis — Portland
15h 36m
including layover
Find flight
from$157
19:10 — 14:26
+1 day
19:07 — 22:41 UA2258 United Airlines
Denver — Chicago
12h 16m stop
11:05 — 14:31 UA763 United Airlines
Chicago — Portland
17h 16m
including layover
Find flight
from$294
19:11 — 18:13
+1 day
19:11 — 01:00 UA1816 United Airlines
Denver — Newark
15h 49m stop
16:49 — 18:13 UA334 United Airlines
Newark — Portland
21h 2m
including layover
Find flight
from$325
20:55 — 14:24
+1 day
20:50 — 00:25 UA377 United Airlines
Denver — Chicago
10h 28m stop
11:05 — 14:31 UA763 United Airlines
Chicago — Portland
15h 29m
including layover
Find flight
from$294
20:55 — 22:01
+1 day
20:50 — 00:25 UA377 United Airlines
Denver — Chicago
18h stop
18:25 — 21:56 UA1974 United Airlines
Chicago — Portland
23h 6m
including layover
Find flight
from$294
23:54 — 09:24
+1 day
23:54 — 05:35 UA1745 United Airlines
Denver — Newark
2h 22m stop
07:59 — 09:24 UA3597 United Airlines
Newark — Portland
7h 30m
including layover
Find flight
from$218
23:59 — 09:58
+1 day
23:50 — 05:15 UA1924 United Airlines
Denver — Washington D.C.
2h 53m stop
08:46 — 10:33 UA3491 United Airlines
Washington D.C. — Portland
7h 59m
including layover
Find flight
from$218
08:00 — 11:35
+1 day
08:00 — 12:42 G4411 Allegiant Air
Denver — Covington
6h 6m stop
18:06 — 19:06 SY220 Sun Country Airlines
Covington — Minneapolis
12h 6m stop
07:54 — 11:35 SY1821 Sun Country Airlines
Minneapolis — Portland
25h 35m
including layover
Find flight
from$237
17:42 — 17:25
+1 day
17:42 — 22:27 G41422 Allegiant Air
Denver — Knoxville
7h 33m stop
06:00 — 07:37 G43039 Allegiant Air
Knoxville — Orlando
6h 40m stop
14:17 — 17:25 MX738 Mexicana
Orlando — Portland
21h 43m
including layover
Find flight
from$292
*Departure and arrival times - local. Updated on July 12, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Denver to Portland depends on and how to choose the most interesting flight option for you.

Distance between Denver and Portland is 2861 miles. Time difference between the cities is 2h. Airplanes depart 05:02 to 23:59 from 2 Denver airports and arrive 05:02 to 23:59 to 1 Portland airport. Average flight time is 3h 55m.

  • The fastest flight 3h 55m
  • Average flight time 3h 55m
  • The earliest flight 05:02
  • The latest flight 23:59
  • Distance 1778 ml

The cheapest months to travel to Portland are june (from 137 $), july (from 147 $), august (from 148 $).

The most expensive months are september (from 226 $), october (from 218 $), may (from 151 $).

What is the lowest airfare Denver to Portland?

The cheapest plane ticket found by our users is $148. This airfare is for economy class on one-way F93312 flight by Frontier Airlines for August 16, 2025 which leaves Denver International in Denver at 06:00 am and arrives at Portland Portland Intl Jetport at 18:13.

Economy class
$148
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Business class
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First class
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Popular Airlines on the Route

The flight Denver — Portland is served by 4 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 1 departures per week at the price of from $ 148 . And the most expensive tickets are offered by United Airlines airline - from $ 748.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is UA2032 by United Airlines takes 3h 55m and the cheapest is F93312 by Frontier Airlines for $296.

See more direct flights

Connecting Flights

There are 148 flights with layovers on the route. The fastest connecting flight is UA2329 by United Airlines takes 5h 57m and the cheapest is F93312 by Frontier Airlines for $148.

See more connecting flights

Airports

You can fly from Denver to Portland from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $148
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  • Arapahoe Co-APA
    Find

Portland airports

  • Portland Intl Jetport-PWM
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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