Which layover airport has the shortest travel time from Denver to Portland, Maine?

Flights connecting via Baltimore (BWI) have the shortest average one-way travel time: 6h 07m.

Which airport is the most popular layover for flights between Denver and Portland, Maine?

Charlotte (CLT) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Denver to Portland, Maine?

Philadelphia (PHL) has the shortest average layover time for this route: 0h 57m.

What is the cheapest airline that flies from Denver Intl to Portland?

Southwest and Delta are the most popular carriers operating from Denver Intl to Portland

What airlines fly to Portland, Maine?

United Airlines, JetBlue and Southwest are the top three most popular airlines that fly to Portland, Maine from Denver according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

How many flights depart from Denver to Portland, Maine on average per week?

As of June 2026, there are 4 flights per week flying from Denver to Portland, Maine. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.

Which layover airport offers the lowest fares from Denver to Portland, Maine?

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $301.

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?

There are 5 operators available for flights from Denver Intl Airport to Portland Airport as of June 2026.

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.

$142 Cheap Flights from Denver to Portland, Maine in 2026

Q: What is the typical price of a round-trip flight between Denver and Portland, Maine?

Prices are currently low for flights on this route. Typical prices usually range from $448 to $708. The lowest price recently found on this route was $377.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Portland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:37 pm - 12:30 pm

DEN

PWM

10h 53m

2 stops

6:00 am - 1:11 pm

PWM

DEN

9h 11m

1 stop

$377JetBlue

Mon, Aug 24 - Sun, Aug 30

9:53 am - 3:51 pm

DEN

PWM

3h 58mnonstop

3:37 pm - 6:10 pm

PWM

DEN

4h 33mnonstop

$380United Airlines

Sat, Sep 12 - Wed, Sep 16

6:35 am - 12:59 am

DEN

PWM

16h 24m

1 stop

6:59 pm - 12:23 am

PWM

DEN

7h 24m

1 stop

$382Delta

Wed, Jul 15 - Wed, Jul 22

11:55 pm - 10:31 am

DEN

PWM

8h 36m

1 stop

6:01 pm - 11:09 pm

PWM

DEN

7h 08m

1 stop

$383American Airlines

Mon, Jul 20 - Fri, Jul 31

2:10 pm - 11:14 pm

DEN

PWM

7h 04m

1 stop

6:59 pm - 12:23 am

PWM

DEN

7h 24m

1 stop

$384Delta

Tue, Jul 7 - Tue, Jul 14

10:47 am - 10:13 pm

DEN

PWM

9h 26m

2 stops

6:00 am - 11:11 am

PWM

DEN

7h 11m

1 stop

$388American Airlines

Wed, Sep 23 - Sun, Sep 27

6:00 am - 4:24 pm

DEN

PWM

8h 24m

2 stops

6:59 pm - 12:23 am

PWM

DEN

7h 24m

1 stop

$389Delta

Sat, Jul 4 - Thu, Jul 9

1:25 pm - 12:05 am

DEN

PWM

8h 40m

2 stops

5:50 am - 1:15 pm

PWM

DEN

9h 25m

2 stops

$391Southwest

Thu, Oct 1 - Tue, Oct 13

9:53 am - 3:51 pm

DEN

PWM

3h 58mnonstop

3:37 pm - 6:10 pm

PWM

DEN

4h 33mnonstop

$392United Airlines

Sat, Aug 29 - Sat, Sep 5

11:15 am - 9:00 pm

DEN

PWM

7h 45m

2 stops

5:40 am - 1:10 pm

PWM

DEN

9h 30m

2 stops

$393Southwest

Sat, Aug 15 - Sat, Aug 22

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Sun Country Air flights from Denver to Portland, Maine

Our best Sun Country Air deals on Denver to Portland, Maine flight tickets

Sun Country Air

Jul 12

DEN6:29 pmDenver Intl

15h 08m

1 stop

PWM11:37 amPortland

Jul 17

PWM7:41 pmPortland

15h 46m

1 stop

DEN9:27 amDenver Intl

$425

Sun Country Air

Jul 12

DEN6:29 pmDenver Intl

15h 08m

1 stop

PWM11:37 amPortland

Jul 17

PWM7:41 pmPortland

15h 46m

1 stop

DEN9:27 amDenver Intl

$445

Delta flights from Denver to Portland, Maine

Our best Delta deals on Denver to Portland, Maine flight tickets

Delta

Jul 15

DEN6:35 amDenver Intl

16h 24m

1 stop

PWM12:59 amPortland

Jul 22

PWM6:59 pmPortland

7h 24m

1 stop

DEN12:23 amDenver Intl

$382

Delta

Jul 7

DEN1:10 pmDenver Intl

8h 04m

1 stop

PWM11:14 pmPortland

Jul 13

PWM6:59 pmPortland

7h 24m

1 stop

DEN12:23 amDenver Intl

$384

Delta

Jul 8

DEN9:39 amDenver Intl

11h 51m

2 stops

PWM11:30 pmPortland

Jul 13

PWM6:59 pmPortland

7h 24m

1 stop

DEN12:23 amDenver Intl

$389

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Mon 8/24

11:37 pm-12:30 pm

2 stops10h 53m

Portland

Sun 8/30

6:00 am-1:11 pm

1 stop9h 11m

$377

Quickest round-trip

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Sat 9/12

9:53 am-3:51 pm

Nonstop3h 58m

Portland

Wed 9/16

3:37 pm-6:10 pm

Nonstop4h 33m

$380

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 7/15

6:35 am-12:59 am

1 stop16h 24m

Portland

Wed 7/22

6:59 pm-12:23 am

1 stop7h 24m

$382

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Mon 7/20

11:55 pm-10:31 am

1 stop8h 36m

Portland

Fri 7/31

6:01 pm-11:09 pm

1 stop7h 08m

$383

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 7/7

2:10 pm-11:14 pm

1 stop7h 04m

Portland

Tue 7/14

6:59 pm-12:23 am

1 stop7h 24m

$384

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Wed 9/23

10:47 am-10:13 pm

2 stops9h 26m

Portland

Sun 9/27

6:00 am-11:11 am

1 stop7h 11m

$388

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Sat 7/4

6:00 am-4:24 pm

2 stops8h 24m

Portland

Thu 7/9

6:59 pm-12:23 am

1 stop7h 24m

$389

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Thu 10/1

1:25 pm-12:05 am

2 stops8h 40m

Portland

Tue 10/13

5:50 am-1:15 pm

2 stops9h 25m

$391

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Sat 8/29

9:53 am-3:51 pm

Nonstop3h 58m

Portland

Sat 9/5

3:37 pm-6:10 pm

Nonstop4h 33m

$392

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Sat 8/15

11:15 am-9:00 pm

2 stops7h 45m

Portland

Sat 8/22

5:40 am-1:10 pm

2 stops9h 30m

$393

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Denver and Portland, Maine?

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 $363, 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 January is also cheap. Prices for this month can be found on momondo for an average of $363.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $537. 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 $707.

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 from Denver 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 $465 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 to Portland, Maine flights?

There are 4 cabin classes available to choose from on Denver to Portland, Maine 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 June 2026, prices for Denver to Portland, Maine flights are approximately 22% 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	$353
Fastest flight time	3h 51m
Direct flights	Every day
Airports in Portland, Maine	1 airport

The best one-way flight to Portland, Maine from Denver in the past 72 hours is $353. The best round-trip flight deal from Denver to Portland, Maine found on momondo in the last 72 hours is $488.

The fastest flight from Denver to Portland, Maine takes 3h 51m

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

Frequently asked questions about flying from Denver to Portland, Maine

How far is Denver Intl to Portland by plane?
Portland is 1797.3 mi away from Denver Intl. 3h 51m 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?
There are 5 operators available for flights from Denver Intl Airport to Portland Airport as of June 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Denver to Portland, Maine is Boeing 737 MAX 8, representing 46.24% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 20.81%, Boeing 737-900 at 14.45%, and Boeing 737 at 6.94%.
What is the most popular airline from Denver to Portland, Maine?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Denver to Portland, Maine is United Airlines (58% of total bookings). The next most popular airlines are American Airlines (19%), Southwest (16%), and Delta (4%).

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
American Airlines	PriceFrom $192	Free Cancellation	Rating 7.1 11,741 reviews	Search American Airlines flights
Delta	PriceFrom $246	Free Cancellation	Rating 7.8 8,421 reviews	Search Delta flights
JetBlue	PriceFrom $266	Free Cancellation	Rating 7.1 2,996 reviews	Search JetBlue flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 9,874 reviews	Search United Airlines flights
Southwest	PriceFrom $306	Free Cancellation	Rating 7.9 4,243 reviews	Search Southwest flights

United Airlines Flights From Denver to Portland, Maine
United Airlines is one of the most popular airlines flying from Denver to Portland, Maine, operating 4 flights/week on average for this route. A good United Airlines flight deal for Denver to Portland, Maine starts from $288 round-trip, up to an average price of $558. Our users have rated United Airlines at 7.4/10.

North Conway

Boothbay Harbor

Jackson

Lewiston

Brunswick

Freeport

Conway

Bartlett

Gorham

Auburn

Windham

Intervale

Bath

Oxford

Falmouth

Georgetown

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 7/23

Thu 7/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Denver

Complete your trip

Feeling lucky

Airports servicing Maine

Rockland Knox County Regional Airport

Cheap flights from Denver to Portland from $142

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 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Denver to Portland

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Sun Country Air flights from Denver to Portland, Maine

Our best Sun Country Air deals on Denver to Portland, Maine flight tickets

Delta flights from Denver to Portland, Maine

Our best Delta deals on Denver to Portland, Maine flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Denver to Portland, Maine that are best for you.

See travel insights to Portland from

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

What is the typical price of a round-trip flight between Denver and Portland, Maine?

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

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

What is the cheapest Denver Intl to Portland flight route?

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

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

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

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

What is the cheapest airline that flies from Denver Intl to Portland?

What airlines fly to Portland, Maine?

Which airport is the most popular layover for flights between Denver and Portland, Maine?

Which layover airport offers the lowest fares from Denver to Portland, Maine?

Which layover airport has the shortest travel time from Denver to Portland, Maine?

Which layover airport has the shortest connection time from Denver to Portland, Maine?

How many flights depart from Denver to Portland, Maine on average per week?

When to book flights from Denver to Portland, Maine

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

Fastest flight time

Direct flights

Airports in Portland, Maine

Frequently asked questions about flying 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

United Airlines Flights From Denver to Portland, Maine

Traveling to a place near Portland?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maine

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Denver

According to popular flight searches on momondo this year

Complete your trip to Portland

Explore popular destinations other users love

According to popular flight searches on momondo this year