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Cheap flights from Denver to Portland from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Portland departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:20 am - 2:55 pm
DEN
-
PWM
6h 35m
1 stop
Southwest Logo
5:30 am - 10:40 am
PWM
-
DEN
7h 10m
1 stop
$270Southwest
Tue, Mar 3 - Tue, Mar 10
Southwest Logo
6:20 am - 2:55 pm
DEN
-
PWM
6h 35m
1 stop
Southwest Logo
5:30 am - 2:25 pm
PWM
-
DEN
10h 55m
2 stops
$275Southwest
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
6:50 am - 6:11 pm
DEN
-
PWM
9h 21m
2 stops
American Airlines Logo
12:44 pm - 10:40 pm
PWM
-
DEN
11h 56m
2 stops
$280American Airlines
Tue, Mar 3 - Tue, Mar 10
American Airlines Logo
7:36 am - 5:21 pm
DEN
-
PWM
7h 45m
1 stop
American Airlines Logo
5:51 pm - 11:59 pm
PWM
-
DEN
8h 08m
1 stop
$289American Airlines
Wed, Apr 29 - Mon, May 4
Southwest Logo
11:55 pm - 11:55 am
DEN
-
PWM
10h 00m
1 stop
Southwest Logo
2:50 pm - 10:35 pm
PWM
-
DEN
9h 45m
1 stop
$294Southwest
Wed, Mar 11 - Mon, Mar 16
United Airlines Logo
6:00 am - 3:14 pm
DEN
-
PWM
7h 14m
1 stop
United Airlines Logo
3:10 pm - 9:56 pm
PWM
-
DEN
8h 46m
1 stop
$307United Airlines
Tue, Feb 24 - Mon, Mar 2
American Airlines Logo
8:00 am - 5:07 pm
DEN
-
PWM
7h 07m
1 stop
American Airlines Logo
12:29 pm - 10:37 pm
PWM
-
DEN
12h 08m
2 stops
$310American Airlines
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
11:59 pm - 8:49 am
DEN
-
PWM
6h 50m
1 stop
United Airlines Logo
3:35 pm - 6:20 pm
PWM
-
DEN
4h 45mnonstop
$312United Airlines
Tue, May 19 - Wed, May 27
United Airlines Logo
2:10 pm - 11:23 pm
DEN
-
PWM
7h 13m
1 stop
United Airlines Logo
3:23 pm - 6:02 pm
PWM
-
DEN
4h 39mnonstop
$313United Airlines
Fri, May 1 - Fri, May 8
American Airlines Logo
10:20 am - 11:50 pm
DEN
-
PWM
11h 30m
2 stops
American Airlines Logo
12:29 pm - 10:37 pm
PWM
-
DEN
12h 08m
2 stops
$315American Airlines
Tue, Mar 3 - Sat, Mar 7

American Airlines flights from Denver to Portland, Maine

Our best American Airlines deals on Denver to Portland, Maine flight tickets
American Airlines
Mar 3
DEN6:50 amDenver Intl
9h 21m
2 stops
PWM6:11 pmPortland
Mar 10
PWM12:44 pmPortland
11h 56m
2 stops
DEN10:40 pmDenver Intl
$280
American Airlines
Apr 29
DEN7:36 amDenver Intl
7h 45m
1 stop
PWM5:21 pmPortland
May 4
PWM5:51 pmPortland
8h 08m
1 stop
DEN11:59 pmDenver Intl
$289
American Airlines
Mar 4
DEN8:00 amDenver Intl
7h 07m
1 stop
PWM5:07 pmPortland
Mar 7
PWM12:29 pmPortland
12h 08m
2 stops
DEN10:37 pmDenver Intl
$310

Southwest flights from Denver to Portland, Maine

Our best Southwest deals on Denver to Portland, Maine flight tickets
Southwest
Mar 3
DEN6:20 amDenver Intl
6h 35m
1 stop
PWM2:55 pmPortland
Mar 10
PWM5:30 amPortland
7h 10m
1 stop
DEN10:40 amDenver Intl
$270
Southwest
Mar 3
DEN6:20 amDenver Intl
6h 35m
1 stop
PWM2:55 pmPortland
Mar 10
PWM5:30 amPortland
10h 55m
2 stops
DEN2:25 pmDenver Intl
$275
Southwest
Mar 11
DEN11:55 pmDenver Intl
10h 00m
1 stop
PWM11:55 amPortland
Mar 16
PWM2:50 pmPortland
9h 45m
1 stop
DEN10:35 pmDenver Intl
$294

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Portland, Maine 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Denver to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 3/3

6:20 am-2:55 pm

1 stop6h 35m

Portland

Tue 3/10

5:30 am-10:40 am

1 stop7h 10m

$270

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 3/3

6:20 am-2:55 pm

1 stop6h 35m

Portland

Tue 3/10

5:30 am-2:25 pm

2 stops10h 55m

$275

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 3/3

6:50 am-6:11 pm

2 stops9h 21m

Portland

Tue 3/10

12:44 pm-10:40 pm

2 stops11h 56m

$280

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 4/29

7:36 am-5:21 pm

1 stop7h 45m

Portland

Mon 5/4

5:51 pm-11:59 pm

1 stop8h 08m

$289

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 3/11

11:55 pm-11:55 am

1 stop10h 00m

Portland

Mon 3/16

2:50 pm-10:35 pm

1 stop9h 45m

$294

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 2/24

6:00 am-3:14 pm

1 stop7h 14m

Portland

Mon 3/2

3:10 pm-9:56 pm

1 stop8h 46m

$307

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 3/4

8:00 am-5:07 pm

1 stop7h 07m

Portland

Sat 3/7

12:29 pm-10:37 pm

2 stops12h 08m

$310

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 5/19

11:59 pm-8:49 am

1 stop6h 50m

Portland

Wed 5/27

3:35 pm-6:20 pm

Nonstop4h 45m

$312

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 5/1

2:10 pm-11:23 pm

1 stop7h 13m

Portland

Fri 5/8

3:23 pm-6:02 pm

Nonstop4h 39m

$313

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 3/3

10:20 am-11:50 pm

2 stops11h 30m

Portland

Sat 3/7

12:29 pm-10:37 pm

2 stops12h 08m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Denver to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Denver is in November. Flight prices, which tend to average around $374, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $393.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Denver is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $564. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $745.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the afternoon is the cheapest time of day to fly from Denver to Portland, Maine when you can find flight prices for as low as $483. Flying to Portland, Maine in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $599. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Denver Intl to Portland flight route?

Fly from Denver Intl to Portland for the best Denver Intl - Portland flight prices

How far in advance should I book a flight to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $450 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Denver for as low as $360 on momondo.

What cabin class options are available on Denver Intl to Portland flights?

There are 4 cabin classes available to choose from on Denver Intl to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Portland, Maine flights?

You could potentially save up to 13% on your flight if you consider stops on a Denver to Portland, Maine flight.

How have Denver to Portland, Maine flight prices changed over time?

As of February 2026, prices for Denver to Portland, Maine flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Portland, Maine (DEN to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Portland, Maine

Best Price Found

$428

Fastest flight time

3h 56m

Direct flights

Every day

Airports in Portland, Maine

1 airport
The best flight deal from Denver to Portland, Maine found on momondo in the last 72 hours is $428
The fastest flight from Denver to Portland, Maine takes 3h 56m
Direct flights go from Denver to Portland, Maine every day.
There is 1 airport in Portland, Maine. From Denver there are direct flights to Portland (PWM).
Search flight deals

  • How far is Denver Intl to Portland by plane?

    Portland is 1797.3 mi away from Denver Intl. 3h 56m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Denver Intl Airport to Portland Airport?

    Prices for flights from Denver Intl Airport to Portland Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Portland Airport?

  • How old do you have to be to fly from Denver Intl Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Denver to Portland, Maine?

  • What is the most popular airline from Denver to Portland, Maine?

Best airlines flying from Denver to Portland, Maine

Compare and see reviews for airlines that fly from Denver to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $129Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
JetBluePriceFrom $139Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
DeltaPriceFrom $192Free CancellationRating
7.9
8,138 reviews
Search Delta flights
SouthwestPriceFrom $272Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Portland for you.

Can I find flights from Denver to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denver to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from Denver to Portland?

Once you have performed a search for Denver to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Denver to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Denver and alert you when they change.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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