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

As of August 2025, 9 flights take off from Colorado and land in Portland, Maine each week. The most common flight departure day for this route is Sat, with 33% of weekly flights taking off on this day.

How long does it take to fly to Portland, Maine?

The flight from Colorado to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Denver (a popular airport in Colorado) to Boston (the most popular airport in Portland, Maine), then the flight time is 3h 47m on average. If you fly from Montrose (another popular airport in Colorado) to Boston, then the average flight time is 5h 40m.

What is the cheapest airline that flies from Colorado to Portland?

Frontier, JetBlue, and Sun Country Air are the most popular carriers operating from Colorado to Portland

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

As of August 2025, there are 1 flights per day flying from Colorado to Portland, Maine. The most common time of day flights depart is 9:00AM, with 88% of flights taking off at noon.

What airlines fly to Portland, Maine?

United Airlines, JetBlue and Delta are the top three most popular airlines that fly to Portland, Maine from Colorado according to our data. United Airlines is the first choice among our users, with 46% 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.

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

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

How many operators does momondo search for flights from Colorado to Portland Airport?

The number of operators available for flights from Colorado to Portland Airport is 6 as of August 2025.

How old do you have to be to fly from Colorado 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 Colorado 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.

$129 Cheap Flights from Colorado to Portland in 2025

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Find the cheapest flights from Colorado to Portland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:00 am - 6:13 pmDEN-PWM

10h 13m1 stop

1:41 pm - 11:11 pmPWM-DEN

11h 30m1 stop

$258Frontier

Find Deal

Sat, Aug 16 - Sat, Aug 23

12:23 am - 6:13 pmDEN-PWM

15h 50m1 stop

1:41 pm - 8:02 amPWM-DEN

20h 21m1 stop

$265Frontier

Find Deal

Fri, Aug 15 - Sat, Aug 23

6:02 am - 8:11 pmCOS-PWM

12h 09m2 stops

9:18 am - 4:18 pmPWM-COS

9h 00m1 stop

$282American Airlines

Find Deal

Tue, Sep 16 - Wed, Sep 24

11:25 am - 10:02 pmDEN-PWM

8h 37m1 stop

2:17 pm - 10:40 amPWM-DEN

22h 23m1 stop

$284JetBlue

Find Deal

Fri, Sep 5 - Fri, Sep 12

6:02 am - 5:39 pmCOS-PWM

9h 37m2 stops

7:05 am - 4:18 pmPWM-COS

11h 13m2 stops

$287American Airlines

Find Deal

Tue, Sep 16 - Wed, Sep 24

11:25 am - 10:01 pmDEN-PWM

8h 36m1 stop

2:17 pm - 10:59 pmPWM-DEN

10h 42m1 stop

$292JetBlue

Find Deal

Tue, Oct 14 - Fri, Oct 17

11:40 pm - 9:50 amDEN-PWM

8h 10m1 stop

5:50 am - 1:50 pmPWM-DEN

10h 00m1 stop

$312Southwest

Find Deal

Mon, Sep 8 - Mon, Sep 15

5:45 am - 4:10 pmDEN-PWM

8h 25m1 stop

2:36 pm - 10:49 pmPWM-DEN

10h 13m1 stop

$313Delta

Find Deal

Tue, Aug 19 - Thu, Aug 21

5:50 am - 2:55 pmDEN-PWM

7h 05m1 stop

3:30 pm - 8:35 pmPWM-DEN

7h 05m1 stop

$314Southwest

Find Deal

Tue, Aug 19 - Fri, Aug 22

2:00 pm - 12:03 amDEN-PWM

8h 03m1 stop

6:31 am - 6:08 pmPWM-DEN

13h 37m1 stop

$336Delta

Find Deal

Fri, Aug 15 - Sat, Aug 23

JetBlue flights from Colorado to Portland, Maine

Our best JetBlue deals on Colorado to Portland, Maine flight tickets

JetBlue

Sep 5

DEN11:25 amDenver Intl

8h 37m

1 stop

PWM10:02 pmPortland

Sep 12

PWM2:17 pmPortland

22h 23m

1 stop

DEN10:40 amDenver Intl

$284

Find similar

JetBlue

Oct 14

DEN11:25 amDenver Intl

8h 36m

1 stop

PWM10:01 pmPortland

Oct 17

PWM2:17 pmPortland

10h 42m

1 stop

DEN10:59 pmDenver Intl

$292

Find similar

JetBlue

Oct 14

DEN11:25 amDenver Intl

8h 36m

1 stop

PWM10:01 pmPortland

Oct 16

PWM2:17 pmPortland

10h 47m

1 stop

DEN11:04 pmDenver Intl

$302

Find similar

Delta flights from Colorado to Portland, Maine

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

Delta

Aug 19

DEN5:45 amDenver Intl

8h 25m

1 stop

PWM4:10 pmPortland

Aug 21

PWM2:36 pmPortland

10h 13m

1 stop

DEN10:49 pmDenver Intl

$313

Find similar

Delta

Aug 15

DEN2:00 pmDenver Intl

8h 03m

1 stop

PWM12:03 amPortland

Aug 23

PWM6:31 amPortland

13h 37m

1 stop

DEN6:08 pmDenver Intl

$336

Find similar

Delta

Sep 16

COS1:11 pmColorado Springs

9h 00m

1 stop

PWM12:11 amPortland

Sep 24

PWM6:00 amPortland

8h 06m

1 stop

COS12:06 pmColorado Springs

$337

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Sat 8/16

6:00 am-6:13 pm

1 stop10h 13m

Portland

Sat 8/23

1:41 pm-11:11 pm

1 stop11h 30m

$258

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 8/15

12:23 am-6:13 pm

1 stop15h 50m

Portland

Sat 8/23

1:41 pm-8:02 am

1 stop20h 21m

$265

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Tue 9/16

6:02 am-8:11 pm

2 stops12h 09m

Portland

Wed 9/24

9:18 am-4:18 pm

1 stop9h 00m

$282

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 9/5

11:25 am-10:02 pm

1 stop8h 37m

Portland

Fri 9/12

2:17 pm-10:40 am

1 stop22h 23m

$284

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Tue 9/16

6:02 am-5:39 pm

2 stops9h 37m

Portland

Wed 9/24

7:05 am-4:18 pm

2 stops11h 13m

$287

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 10/14

11:25 am-10:01 pm

1 stop8h 36m

Portland

Fri 10/17

2:17 pm-10:59 pm

1 stop10h 42m

$292

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Mon 9/8

11:40 pm-9:50 am

1 stop8h 10m

Portland

Mon 9/15

5:50 am-1:50 pm

1 stop10h 00m

$312

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 8/19

5:45 am-4:10 pm

1 stop8h 25m

Portland

Thu 8/21

2:36 pm-10:49 pm

1 stop10h 13m

$313

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 8/19

5:50 am-2:55 pm

1 stop7h 05m

Portland

Fri 8/22

3:30 pm-8:35 pm

1 stop7h 05m

$314

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 8/15

2:00 pm-12:03 am

1 stop8h 03m

Portland

Sat 8/23

6:31 am-6:08 pm

1 stop13h 37m

$336

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How to get the cheapest flight ticket from Colorado 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

Other information

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

The cheapest month to fly to Portland, Maine from Colorado 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 $388.

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 Colorado is on a Saturday. momondo users have found tickets for Saturday departures for as low as $602. 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 Colorado because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $711.

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 Colorado 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 $660. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Colorado to Portland flight route?

Fly from Denver Intl to Portland for the best Colorado - 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 Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $451 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Colorado for as low as $379 on momondo.

What cabin class options are available on Colorado to Portland flights?

There are 4 cabin classes available to choose from on Colorado 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 Colorado to Portland, Maine flights?

You could potentially save up to 74% on your flight if you consider stops on a Colorado to Portland, Maine flight.

Cheap Colorado to Portland, Maine flight deals and tips

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

Best Price Found	$129
Fastest flight time	3h 55m
Direct flights	Every day
Airports in Portland, Maine	1 airport

The best one-way flight to Portland, Maine from Colorado in the past 72 hours is $129. The best round-trip flight deal from Colorado to Portland, Maine found on momondo in the last 72 hours is $258.

The fastest flight from Colorado to Portland, Maine takes 3h 55m

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

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

Search flight deals

When did momondo last update prices for flights from Colorado to Portland Airport?
Prices for flights from Colorado to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Colorado to Portland Airport?
The number of operators available for flights from Colorado to Portland Airport is 6 as of August 2025.
How old do you have to be to fly from Colorado 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 Colorado 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 Colorado to Portland, Maine?
momondo data reveals that the most frequently booked plane model on the route from Colorado to Portland, Maine is Boeing 737-900, representing 51.38% of all bookings. The subsequent popular models are Airbus A319 at 18.23%, Boeing 737 MAX 9 at 11.05%, and Boeing 737-800 at 4.97%.

Best airlines flying from Colorado to Portland, Maine

Compare and see reviews for airlines that fly from Colorado to Portland, Maine with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $158	Free Cancellation	Rating 5.8 3,241 reviews	Search Frontier flights
American Airlines	PriceFrom $212	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $236	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights
JetBlue	PriceFrom $249	Free Cancellation	Rating 7.2 2,915 reviews	Search JetBlue flights
Southwest	PriceFrom $279	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $294	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Bartlett

Lewiston

Gorham

Brunswick

Auburn

Intervale

Windham

Falmouth

Bath

Georgetown

Oxford

Tamworth

Why use momondo?

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

It is quick and easy to find Colorado to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

momondo does allow users to show only those flights to Portland from Colorado which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Colorado to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Colorado to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know 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 Colorado to Portland from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Portland departing on 8/29. 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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JetBlue flights from Colorado to Portland, Maine

Our best JetBlue deals on Colorado to Portland, Maine flight tickets

Delta flights from Colorado to Portland, Maine

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

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How to get the cheapest flight ticket from Colorado 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 Colorado to Portland flight route?

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

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

What cabin class options are available on Colorado to Portland flights?

There are 4 cabin classes available to choose from on Colorado 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 Colorado to Portland, Maine flights?

You could potentially save up to 74% on your flight if you consider stops on a Colorado to Portland, Maine flight.

What is the cheapest airline that flies from Colorado to Portland?

Frontier, JetBlue, and Sun Country Air are the most popular carriers operating from Colorado to Portland

What airlines fly to Portland, Maine?

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

As of August 2025, there are 1 flights per day flying from Colorado to Portland, Maine. The most common time of day flights depart is 9:00AM, with 88% of flights taking off at noon.

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

As of August 2025, 9 flights take off from Colorado and land in Portland, Maine each week. The most common flight departure day for this route is Sat, with 33% of weekly flights taking off on this day.

How long does it take to fly to Portland, Maine?

Cheap Colorado to Portland, Maine flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Portland, Maine

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

How many operators does momondo search for flights from Colorado to Portland Airport?

How old do you have to be to fly from Colorado to Portland Airport?

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

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

Best airlines flying from Colorado to Portland, Maine

Compare and see reviews for airlines that fly from Colorado to Portland, Maine with momondo

Traveling to a place near Portland?

Why use momondo?

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

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

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

I’m not ready to book a flight from Colorado 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

Airports servicing Maine