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

As of November 2026, there are 1 flights per day flying from Portland, Maine to Colorado. The most common time of day flights depart is 3:00PM, with 70% of flights taking off in the afternoon.

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

9 flights are operational weekly from Portland, Maine to Colorado as of November 2026. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

What airlines fly to Colorado?

United Airlines, JetBlue and Southwest are the top three most popular airlines that fly to Colorado from Portland, Maine according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 6 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

United Airlines, Delta, and Southwest are the most popular carriers operating from Portland to Colorado

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

Prices for flights from Portland Airport to Colorado are updated daily.

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

The number of operators available for flights from Portland Airport to Colorado is 5 as of November 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The required travel and health documents for your Colorado 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 Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$179 Cheap Flights from Portland, Maine to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:28 pm - 7:10 pmPWM Portland-DEN Denver Intl

8h 42m1 stop Raleigh-Durham

6:41 am - 11:48 amDEN Denver Intl-PWM Portland

27h 07m2 stops Orlando Raleigh-Durham

$341Multiple Airlines

Sat, Dec 12 - Tue, Dec 15

12:28 pm - 7:10 pmPWM Portland-DEN Denver Intl

8h 42m1 stop Raleigh-Durham

6:41 am - 11:48 amDEN Denver Intl-PWM Portland

27h 07m2 stops Orlando Raleigh-Durham

$342Multiple Airlines

Sat, Dec 12 - Tue, Dec 15

6:00 am - 11:24 amPWM Portland-DEN Denver Intl

7h 24m1 stop Philadelphia

11:32 am - 9:29 pmDEN Denver Intl-PWM Portland

7h 57m1 stop Charlotte Douglas

$377American Airlines

Mon, Jan 25 - Fri, Jan 29

7:00 am - 2:50 pmPWM Portland-DEN Denver Intl

9h 50m1 stop Charlotte Douglas

11:32 am - 9:29 pmDEN Denver Intl-PWM Portland

7h 57m1 stop Charlotte Douglas

$377American Airlines

Mon, Jan 18 - Tue, Jan 19

8:40 am - 4:10 pmPWM Portland-DEN Denver Intl

9h 30m1 stop Baltimore/Washington

12:35 pm - 11:05 pmDEN Denver Intl-PWM Portland

8h 30m1 stop Baltimore/Washington

$377Southwest

Fri, Jan 15 - Sat, Jan 30

3:25 pm - 9:50 pmPWM Portland-DEN Denver Intl

8h 25m1 stop Baltimore/Washington

7:00 am - 2:45 pmDEN Denver Intl-PWM Portland

5h 45m1 stop Baltimore/Washington

$377Southwest

Thu, Dec 3 - Thu, Dec 10

4:28 pm - 11:20 pmPWM Portland-DEN Denver Intl

8h 52m1 stop Chicago O'Hare Intl

6:00 am - 2:38 pmDEN Denver Intl-PWM Portland

6h 38m1 stop Washington, D.C. Dulles Intl

$403United Airlines

Thu, Dec 31 - Mon, Jan 4

3:31 pm - 6:08 pmPWM Portland-DEN Denver Intl

4h 37mnonstop

12:30 pm - 10:57 pmDEN Denver Intl-PWM Portland

8h 27m1 stop Newark

$419United Airlines

Sat, May 1 - Sat, May 8

5:30 am - 12:34 pmPWM Portland-COS Colorado Springs

9h 04m1 stop Atlanta Hartsfield-Jackson

1:29 pm - 11:26 pmCOS Colorado Springs-PWM Portland

7h 57m1 stop Atlanta Hartsfield-Jackson

$422Delta

Thu, Jan 21 - Fri, Jan 29

5:30 am - 12:34 pmPWM Portland-COS Colorado Springs

9h 04m1 stop Atlanta Hartsfield-Jackson

1:29 pm - 11:59 pmCOS Colorado Springs-PWM Portland

8h 30m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$427Delta

Thu, Jan 21 - Fri, Jan 29

Cheap last minute flights

Enter your travel dates to find the best prices.

3:23 pm - 6:14 pmPWM Portland-DEN Denver Intl

4h 51mnonstop

10:11 am - 4:02 pmDEN Denver Intl-PWM Portland

3h 51mnonstop

$599United Airlines

Fri, Nov 13 - Sun, Nov 15

3:23 pm - 9:59 pmPWM Portland-GJT Grand Junction Regnl

8h 36m1 stop Denver Intl

7:00 am - 4:02 pmGJT Grand Junction Regnl-PWM Portland

7h 02m1 stop Denver Intl

$604United Airlines

Thu, Nov 12 - Sun, Nov 15

8:47 am - 3:17 pmPWM Portland-DEN Denver Intl

8h 30m1 stop Chicago O'Hare Intl

10:11 am - 4:02 pmDEN Denver Intl-PWM Portland

3h 51mnonstop

$605United Airlines

Fri, Nov 13 - Sat, Nov 14

3:25 pm - 9:50 pmPWM Portland-DEN Denver Intl

8h 25m1 stop Baltimore/Washington

12:30 am - 10:30 amDEN Denver Intl-PWM Portland

8h 00m1 stop Baltimore/Washington

$619Southwest

Mon, Nov 16 - Sat, Nov 21

5:15 am - 1:20 pmPWM Portland-DEN Denver Intl

10h 05m2 stops Baltimore/Washington Nashville Intl

5:05 am - 1:05 pmDEN Denver Intl-PWM Portland

6h 00m1 stop Baltimore/Washington

$624Southwest

Mon, Nov 16 - Sun, Nov 22

6:27 am - 3:04 pmPWM Portland-DEN Denver Intl

10h 37m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

6:10 am - 4:10 pmDEN Denver Intl-PWM Portland

8h 00m1 stop Detroit Metropolitan Wayne County

$624Delta

Fri, Nov 13 - Sun, Nov 15

2:05 pm - 8:20 pmPWM Portland-DEN Denver Intl

8h 15m1 stop Atlanta Hartsfield-Jackson

11:11 am - 11:31 pmDEN Denver Intl-PWM Portland

10h 20m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$624Delta

Fri, Nov 13 - Sat, Nov 14

7:10 am - 5:40 pmPWM Portland-DEN Denver Intl

12h 30m2 stops Charlotte Douglas Dallas/Fort Worth

9:11 am - 10:29 pmDEN Denver Intl-PWM Portland

11h 18m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

$694American Airlines

Sat, Nov 14 - Wed, Nov 18

5:45 am - 4:26 pmPWM Portland-GJT Grand Junction Regnl

12h 41m2 stops Charlotte Douglas Dallas/Fort Worth

4:56 pm - 11:53 amGJT Grand Junction Regnl-PWM Portland

16h 57m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$793American Airlines

Thu, Nov 12 - Sun, Nov 15

3:53 pm - 8:13 amPWM Portland-DEN Denver Intl

42h 20m2 stops Columbus Orlando

11:59 pm - 9:08 amDEN Denver Intl-PWM Portland

31h 09m1 stop Orlando

$824Multiple Airlines

Mon, Nov 16 - Wed, Nov 25

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

Southwest flights from Portland, Maine to Colorado

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

Southwest

Jan 15

PWM8:40 amPortland

9h 30m

1 stop

DEN4:10 pmDenver Intl

Jan 30

DEN12:35 pmDenver Intl

8h 30m

1 stop

PWM11:05 pmPortland

$377

Southwest

Jan 15

PWM8:40 amPortland

9h 30m

1 stop

DEN4:10 pmDenver Intl

Jan 30

DEN12:40 pmDenver Intl

8h 25m

2 stops

PWM11:05 pmPortland

$382

Southwest

Jan 15

PWM1:20 pmPortland

8h 25m

2 stops

DEN7:45 pmDenver Intl

Jan 19

DEN11:15 amDenver Intl

8h 35m

2 stops

PWM9:50 pmPortland

$387

United Airlines flights from Portland, Maine to Colorado

Our best United Airlines deals on Portland, Maine to Colorado flight tickets

United Airlines

Dec 31

PWM4:28 pmPortland

8h 52m

1 stop

DEN11:20 pmDenver Intl

Jan 4

DEN6:00 amDenver Intl

6h 38m

1 stop

PWM2:38 pmPortland

$403

United Airlines

May 1

PWM3:31 pmPortland

4h 37m

DEN6:08 pmDenver Intl

May 8

DEN12:30 pmDenver Intl

8h 27m

1 stop

PWM10:57 pmPortland

$419

United Airlines

Nov 25

PWM3:23 pmPortland

4h 51m

DEN6:14 pmDenver Intl

Nov 27

DEN10:11 amDenver Intl

3h 51m

PWM4:02 pmPortland

$444

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Sat 12/12

12:28 pm-7:10 pm

1 stop8h 42m

Denver Intl

Tue 12/15

6:41 am-11:48 am

2 stops27h 07m

$341

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Sat 12/12

12:28 pm-7:10 pm

1 stop8h 42m

Denver Intl

Tue 12/15

6:41 am-11:48 am

2 stops27h 07m

$342

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Mon 1/25

6:00 am-11:24 am

1 stop7h 24m

Denver Intl

Fri 1/29

11:32 am-9:29 pm

1 stop7h 57m

$377

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Mon 1/18

7:00 am-2:50 pm

1 stop9h 50m

Denver Intl

Tue 1/19

11:32 am-9:29 pm

1 stop7h 57m

$377

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Fri 1/15

8:40 am-4:10 pm

1 stop9h 30m

Denver Intl

Sat 1/30

12:35 pm-11:05 pm

1 stop8h 30m

$377

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Thu 12/3

3:25 pm-9:50 pm

1 stop8h 25m

Denver Intl

Thu 12/10

7:00 am-2:45 pm

1 stop5h 45m

$377

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Thu 12/31

4:28 pm-11:20 pm

1 stop8h 52m

Denver Intl

Mon 1/4

6:00 am-2:38 pm

1 stop6h 38m

$403

Quickest round-trip

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Sat 5/1

3:31 pm-6:08 pm

Nonstop4h 37m

Denver Intl

Sat 5/8

12:30 pm-10:57 pm

1 stop8h 27m

$419

PortlandColorado Springs

PWM Portland - COS Colorado Springs

PWMCOS

Portland

Thu 1/21

5:30 am-12:34 pm

1 stop9h 04m

Colorado Springs

Fri 1/29

1:29 pm-11:26 pm

1 stop7h 57m

$422

PortlandColorado Springs

PWM Portland - COS Colorado Springs

PWMCOS

Portland

Thu 1/21

5:30 am-12:34 pm

1 stop9h 04m

Colorado Springs

Fri 1/29

1:29 pm-11:59 pm

2 stops8h 30m

$427

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 Portland, Maine to Colorado

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 Colorado?

The month of February is, on average, the cheapest month to fly to Colorado from Portland, Maine, with most prices found around $395. The month of April is another great option to travel to Colorado, with average flight prices from Portland, Maine averaging around $408.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Portland, Maine to Colorado is on a Thursday when prices can be found for as low as $516. On the other hand, Sunday is the most expensive day to depart from Portland, Maine because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $925.

What is the cheapest Portland to Colorado flight route?

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

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

You are more likely to see cheaper flights to Colorado from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $480 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Portland, Maine for as low as $419 on momondo.

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

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

You could potentially save up to 37% on your flight if you consider stops on a Portland, Maine to Colorado flight.

Cheap Portland, Maine to Colorado flight deals and tips

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

Best Price Found	$179
Fastest flight time	4h 37m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Portland, Maine in the past 72 hours is $179. The best round-trip flight deal from Portland, Maine to Colorado found on momondo in the last 72 hours is $341.

The fastest flight from Portland, Maine to Colorado takes 4h 37m

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

There are 87 airports in Colorado. From Portland, Maine there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Portland, Maine to Colorado

When did momondo last update prices for flights from Portland Airport to Colorado?
Prices for flights from Portland Airport to Colorado are updated daily.
How many operators does momondo search for flights from Portland Airport to Colorado?
The number of operators available for flights from Portland Airport to Colorado is 5 as of November 2026.
How old do you have to be to fly from Portland Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado 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 Colorado. 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 Portland, Maine to Colorado?
Based on momondo bookings for flights between Portland, Maine and Colorado, the leading plane model is Boeing 737-800, making up 42.99% of the total bookings. Other popular models include Boeing 737 MAX 8 with 36.45%, Boeing 737 with 7.48%, and Airbus A319 with 1.87%.

Best airlines flying from Portland, Maine to Colorado

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $164	Free Cancellation	Rating 7.1 3,067 reviews	Search JetBlue flights
United Airlines	PriceFrom $169	Free Cancellation	Rating 7.3 10,474 reviews	Search United Airlines flights
Delta	PriceFrom $193	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
American Airlines	PriceFrom $269	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
Southwest	PriceFrom $322	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Colorado from Portland.

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

All flight searches from Portland to Colorado on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from Portland.

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

Of course. momondo tracks the price of Portland to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Colorado 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 12/10

Thu 12/17

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 Colorado

Popular cities

Other flights from Portland, Maine

Other flights to Colorado

Airlines

Complete your trip

Feeling lucky

Popular cities in Colorado

Flights to New Yorkfrom $62

Flights to Los Angelesfrom $38

Flights to Orlandofrom $44

Flights to Miamifrom $42

Flights to San Franciscofrom $37

Flights to Chicagofrom $90

Flights to Las Vegasfrom $38

Flights to Washington, D.C.from $46

Flights to Fort Lauderdalefrom $43

Flights to Bostonfrom $83

Flights to Atlantafrom $38

Flights to Dallasfrom $93

Cheap flights from Portland, Maine to Colorado from $179

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Colorado departing on 12/16. 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 Portland, Maine to Colorado

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

Southwest flights from Portland, Maine to Colorado

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

United Airlines flights from Portland, Maine to Colorado

Our best United Airlines deals on Portland, Maine to Colorado flight tickets

momondo Fare Finder

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

See travel insights to Colorado from

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

What is the cheapest month to fly to Colorado?

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest Portland to Colorado flight route?

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

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

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

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

What airlines fly to Colorado?

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

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

Cheap Portland, Maine to Colorado flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from Portland, Maine to Colorado

Best airlines flying from Portland, Maine to Colorado

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

Why use momondo?

An easier way to manage your Colorado 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 Colorado

Popular cities in Colorado

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

Portland, Maine flight routes

According to popular flight searches on momondo this year

Colorado flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Colorado

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

Complete your trip to Colorado

Explore popular destinations other users love

According to popular flight searches on momondo this year