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

As of September 2025, there are 1 flights per day flying from Denver to Portland, Maine. The most common time of day flights depart is 9:00AM, with 62% of flights taking off at noon.

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

Chicago (MDW) has the shortest average layover time for this route: 0h 45m.

What airlines fly to Portland, Maine?

United Airlines, JetBlue and Delta 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 42% 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.

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

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $216.

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

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

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

Washington, D.C. (IAD) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 5h 25m.

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

As of September 2025, there are 8 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.

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 6 operators available for flights from Denver Intl Airport to Portland Airport as of September 2025.

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.

$92 Cheap Flights from Denver to Portland in 2025/26

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Find the cheapest flights from Denver to Portland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:21 am - 2:56 pmDEN-PWM

5h 35m1 stop

5:59 pm - 11:09 pmPWM-DEN

7h 10m1 stop

$289American Airlines

Find Deal

on., okt. 22 - ma., okt. 27

7:22 am - 9:37 pmDEN-PWM

12h 15m2 stops

12:23 pm - 10:20 pmPWM-DEN

11h 57m2 stops

$293American Airlines

Find Deal

fr., des. 12 - ti., des. 16

7:50 am - 6:52 pmDEN-PWM

9h 02m1 stop

3:12 pm - 9:24 pmPWM-DEN

8h 12m1 stop

$295United Airlines

Find Deal

ti., jan. 6 - lø., jan. 10

7:45 am - 11:21 pmDEN-PWM

13h 36m2 stops

7:22 pm - 11:50 pmPWM-DEN

6h 28m1 stop

$300United Airlines

Find Deal

ti., mar. 3 - to., mar. 5

11:55 pm - 11:10 amDEN-PWM

9h 15m1 stop

5:30 pm - 12:10 amPWM-DEN

8h 40m2 stops

$320Southwest

Find Deal

ma., des. 29 - fr., jan. 2

5:20 am - 2:10 pmDEN-PWM

6h 50m1 stop

2:40 pm - 9:55 pmPWM-DEN

9h 15m2 stops

$326Southwest

Find Deal

sø., okt. 19 - to., okt. 23

11:25 am - 10:06 pmDEN-PWM

8h 41m1 stop

7:09 am - 10:40 amPWM-DEN

29h 31m1 stop

$343JetBlue

Find Deal

on., okt. 1 - on., okt. 8

11:25 am - 11:04 pmDEN-PWM

9h 39m1 stop

7:09 am - 10:40 amPWM-DEN

29h 31m1 stop

$353JetBlue

Find Deal

ti., okt. 7 - ti., okt. 14

11:59 pm - 1:58 pmDEN-PWM

11h 59m1 stop

2:38 pm - 9:41 pmPWM-DEN

9h 03m1 stop

$356Delta

Find Deal

ma., okt. 6 - on., okt. 15

11:59 pm - 12:34 amDEN-PWM

22h 35m1 stop

2:41 pm - 6:28 pmPWM-DEN

29h 47m1 stop

$383Delta

Find Deal

ti., sep. 30 - to., okt. 2

American Airlines flights from Denver to Portland, Maine

Our best American Airlines deals on Denver to Portland, Maine flight tickets

American Airlines

Oct 22

DEN7:21 amDenver Intl

5h 35m

1 stop

PWM2:56 pmPortland

Oct 27

PWM5:59 pmPortland

7h 10m

1 stop

DEN11:09 pmDenver Intl

$289

Find similar

American Airlines

Dec 12

DEN7:22 amDenver Intl

12h 15m

2 stops

PWM9:37 pmPortland

Dec 16

PWM12:23 pmPortland

11h 57m

2 stops

DEN10:20 pmDenver Intl

$293

Find similar

American Airlines

Nov 8

DEN7:22 amDenver Intl

7h 43m

1 stop

PWM5:05 pmPortland

Dec 4

PWM5:46 amPortland

10h 11m

2 stops

DEN1:57 pmDenver Intl

$294

Find similar

Delta flights from Denver to Portland, Maine

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

Delta

Oct 6

DEN11:59 pmDenver Intl

11h 59m

1 stop

PWM1:58 pmPortland

Oct 15

PWM2:38 pmPortland

9h 03m

1 stop

DEN9:41 pmDenver Intl

$356

Find similar

Delta

Sep 30

DEN11:59 pmDenver Intl

22h 35m

1 stop

PWM12:34 amPortland

Oct 2

PWM2:41 pmPortland

29h 47m

1 stop

DEN6:28 pmDenver Intl

$383

Find similar

Delta

Sep 28

DEN5:45 amDenver Intl

8h 20m

1 stop

PWM4:05 pmPortland

Oct 7

PWM2:38 pmPortland

9h 03m

1 stop

DEN9:41 pmDenver Intl

$397

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverPortland

DEN - PWM

DENPWM

Denver Intl

on. 10/22

7:21 am-2:56 pm

1 stop5h 35m

Portland

ma. 10/27

5:59 pm-11:09 pm

1 stop7h 10m

$289

DenverPortland

DEN - PWM

DENPWM

Denver Intl

fr. 12/12

7:22 am-9:37 pm

2 stops12h 15m

Portland

ti. 12/16

12:23 pm-10:20 pm

2 stops11h 57m

$293

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ti. 1/6

7:50 am-6:52 pm

1 stop9h 02m

Portland

lø. 1/10

3:12 pm-9:24 pm

1 stop8h 12m

$295

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ti. 3/3

7:45 am-11:21 pm

2 stops13h 36m

Portland

to. 3/5

7:22 pm-11:50 pm

1 stop6h 28m

$300

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ma. 12/29

11:55 pm-11:10 am

1 stop9h 15m

Portland

fr. 1/2

5:30 pm-12:10 am

2 stops8h 40m

$320

DenverPortland

DEN - PWM

DENPWM

Denver Intl

sø. 10/19

5:20 am-2:10 pm

1 stop6h 50m

Portland

to. 10/23

2:40 pm-9:55 pm

2 stops9h 15m

$326

DenverPortland

DEN - PWM

DENPWM

Denver Intl

on. 10/1

11:25 am-10:06 pm

1 stop8h 41m

Portland

on. 10/8

7:09 am-10:40 am

1 stop29h 31m

$343

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ti. 10/7

11:25 am-11:04 pm

1 stop9h 39m

Portland

ti. 10/14

7:09 am-10:40 am

1 stop29h 31m

$353

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ma. 10/6

11:59 pm-1:58 pm

1 stop11h 59m

Portland

on. 10/15

2:38 pm-9:41 pm

1 stop9h 03m

$356

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ti. 9/30

11:59 pm-12:34 am

1 stop22h 35m

Portland

to. 10/2

2:41 pm-6:28 pm

1 stop29h 47m

$383

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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 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 $378, 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 May is also cheap. Prices for this month can be found on momondo for an average of $395.

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 Saturday. momondo users have found tickets for Saturday departures for as low as $584. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday 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 $738.

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

In the evening is the cheapest time of day to fly from Denver to Portland, Maine when you can find flight prices for as low as $368. Flying to Portland, Maine in the evening 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 $648. 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 $456 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 $354 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 19% 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 September 2025, prices for Denver to Portland, Maine flights are approximately 11% cheaper 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	$258
Fastest flight time	3h 43m
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 $258. The best round-trip flight deal from Denver to Portland, Maine found on momondo in the last 72 hours is $446.

The fastest flight from Denver to Portland, Maine takes 3h 43m

Direct flights go from Denver to Portland, Maine every day.

There is 1 airport near Portland, Maine: Portland (PWM)

Search flight deals

How far is Denver Intl to Portland by plane?
Portland is 1797.3 mi away from Denver Intl. 3h 43m 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 6 operators available for flights from Denver Intl Airport to Portland Airport as of September 2025.
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 737-900, representing 51.11% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 17.78%, Airbus A319 at 9.63%, and Boeing 737-800 at 5.93%.
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 (50% of total bookings). The next most popular airlines are American Airlines (20%), Southwest (18%), and Delta (8%).

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
Frontier	PriceFrom $129	Free Cancellation	Rating 5.8 3,172 reviews	Search Frontier flights
American Airlines	PriceFrom $192	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
JetBlue	PriceFrom $249	Free Cancellation	Rating 7.2 2,912 reviews	Search JetBlue flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Southwest	PriceFrom $272	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $310	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights

Southwest Flights From Denver to Portland, Maine
Southwest is one of the most popular airlines flying from Denver to Portland, Maine, operating 3 flights/week on average for this route. A good Southwest flight deal for Denver to Portland, Maine starts from $272 round-trip, up to an average price of $446. Our users have rated Southwest at 8.0/10.
United Airlines Flights From Denver to Portland, Maine
Another popular option for Denver to Portland, Maine flights is United Airlines (7.4/10, 8,929 ratings). United Airlines flies from Denver to Portland, Maine around 5 times per week, with deals starting from $310 round-trip and rising to an average price of around $581.

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Bartlett

Gorham

Brunswick

Auburn

Intervale

Windham

Bath

Oxford

Georgetown

Tamworth

Falmouth

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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Cheap flights from Denver to Portland from $92

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 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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American Airlines flights from Denver to Portland, Maine

Our best American Airlines deals on Denver to Portland, Maine flight tickets

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

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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?

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

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

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?

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 19% 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 September 2025, prices for Denver to Portland, Maine flights are approximately 11% cheaper when compared to flights at the same time last year.

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

Southwest, Delta, and American Airlines are the most popular carriers operating 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?

Washington, D.C. (IAD) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Philadelphia (PHL) offer the lowest average round-trip price of $216.

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

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 5h 25m.

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

Chicago (MDW) has the shortest average layover time for this route: 0h 45m.

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

As of September 2025, there are 1 flights per day flying from Denver to Portland, Maine. The most common time of day flights depart is 9:00AM, with 62% of flights taking off at noon.

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

As of September 2025, there are 8 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.

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

How far is Denver Intl to Portland by plane?

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

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?

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

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

Southwest Flights From Denver to Portland, Maine

United Airlines Flights From Denver to Portland, Maine

Traveling to a place near Portland?

Why use momondo?

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

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

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

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

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