What airlines fly to Colorado?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Colorado from Maine according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 5 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 Maine to Colorado?

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

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

The number of flights available between Maine and Colorado is 10 per week as of November 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

How long is the flight from Maine to Colorado?

Flight times from Maine to Colorado vary, but if you’re flying out of Portland and flying into Denver (one of the most popular routes), then the duration is 4h 37m on average. Another popular route from Maine to Colorado is flying from Bangor to Denver, which will take roughly 7h 29m. Keep in mind that layovers or delays could extend your travel time.

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

The number of flights available between Maine and Colorado is 1 per day as of November 2026. The most frequent departure time is 3:00PM, with 50% of daily flights leaving at noon.

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

Prices for flights from Maine to Colorado are updated daily.

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

There are 5 operators available for flights from Maine to Colorado as of November 2026.

How old do you have to be to fly from Maine to Colorado?

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 Maine to Colorado.

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

The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$132 Cheap Flights from Maine to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Maine to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:07 am - 5:08 pmBGR Bangor-DEN Denver Intl

9h 01m1 stop Tampa

10:18 am - 9:27 amDEN Denver Intl-BGR Bangor

21h 09m2 stops Dallas/Fort Worth Tampa

$264Multiple Airlines

Sat, Dec 5 - Tue, Dec 8

10:07 am - 5:08 pmBGR Bangor-DEN Denver Intl

9h 01m1 stop Tampa

9:00 am - 9:27 amDEN Denver Intl-BGR Bangor

22h 27m2 stops Atlanta Hartsfield-Jackson Tampa

$285Multiple Airlines

Sat, Dec 5 - Tue, Dec 8

8:00 am - 2:23 pmBGR Bangor-DEN Denver Intl

8h 23m1 stop Newark

6:00 am - 2:58 pmDEN Denver Intl-BGR Bangor

6h 58m1 stop Newark

$341United Airlines

Sat, May 1 - Sat, May 15

3:11 pm - 8:40 pmBGR Bangor-DEN Denver Intl

7h 29m1 stop New York LaGuardia

1:01 pm - 10:34 pmDEN Denver Intl-BGR Bangor

7h 33m1 stop New York John F Kennedy Intl

$341Delta

Tue, Feb 23 - Sat, Feb 27

6:00 am - 3:15 pmBGR Bangor-DEN Denver Intl

11h 15m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

12:20 pm - 10:01 pmDEN Denver Intl-BGR Bangor

7h 41m1 stop New York John F Kennedy Intl

$346Delta

Sat, May 1 - Sat, May 15

3:20 pm - 9:35 pmPWM Portland-DEN Denver Intl

8h 15m1 stop Newark

4:09 pm - 11:59 pmDEN Denver Intl-PWM Portland

5h 50m1 stop Washington, D.C. Dulles Intl

$377United Airlines

Wed, Dec 16 - Thu, Dec 31

6:07 am - 11:09 amPWM Portland-DEN Denver Intl

7h 02m1 stop Philadelphia

7:33 am - 10:02 pmDEN Denver Intl-PWM Portland

12h 29m2 stops Dallas/Fort Worth Charlotte Douglas

$382American Airlines

Wed, Feb 24 - Wed, Mar 3

5:00 am - 2:19 pmPWM Portland-DEN Denver Intl

11h 19m2 stops Washington, D.C. Reagan-National Dallas/Fort Worth

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

7h 57m1 stop Charlotte Douglas

$382American Airlines

Mon, Jan 25 - Fri, Jan 29

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

8h 25m1 stop Baltimore/Washington

11:15 am - 9:45 pmDEN Denver Intl-PWM Portland

8h 30m2 stops Austin Bergstrom Baltimore/Washington

$382Southwest

Tue, Jan 5 - Fri, Jan 8

5:30 am - 1:20 pmPWM Portland-DEN Denver Intl

9h 50m2 stops Baltimore/Washington Dallas Love Field

7:20 am - 2:50 pmDEN Denver Intl-PWM Portland

5h 30m1 stop Baltimore/Washington

$382Southwest

Wed, Jan 6 - Tue, Feb 16

Cheap last minute flights

Enter your travel dates to find the best prices.

6:10 am - 11:21 amBGR Bangor-DEN Denver Intl

7h 11m1 stop New York LaGuardia

7:15 am - 4:20 pmDEN Denver Intl-BGR Bangor

7h 05m1 stop New York LaGuardia

$441Delta

Sat, Nov 7 - Tue, Nov 10

11:00 am - 5:57 pmBGR Bangor-DEN Denver Intl

8h 57m1 stop Newark

11:59 pm - 10:19 amDEN Denver Intl-BGR Bangor

8h 20m1 stop Newark

$441United Airlines

Tue, Nov 10 - Sat, Nov 14

6:10 am - 11:21 amBGR Bangor-DEN Denver Intl

7h 11m1 stop New York LaGuardia

12:58 am - 3:05 pmDEN Denver Intl-BGR Bangor

12h 07m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$446Delta

Sat, Nov 7 - Fri, Nov 13

6:10 am - 11:21 amBGR Bangor-DEN Denver Intl

7h 11m1 stop New York LaGuardia

10:35 am - 11:25 pmDEN Denver Intl-BGR Bangor

10h 50m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

$446Delta

Sat, Nov 7 - Tue, Nov 10

11:00 am - 5:57 pmBGR Bangor-DEN Denver Intl

8h 57m1 stop Newark

11:59 pm - 10:19 amDEN Denver Intl-BGR Bangor

8h 20m1 stop Newark

$517United Airlines

Tue, Nov 10 - Wed, Nov 11

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

4h 51mnonstop

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

3h 51mnonstop

$529United Airlines

Tue, Nov 10 - Tue, Nov 17

5:20 am - 10:30 amPWM Portland-DEN Denver Intl

7h 10m1 stop Baltimore/Washington

7:05 pm - 9:50 amDEN Denver Intl-PWM Portland

12h 45m1 stop Baltimore/Washington

$554Southwest

Sun, Nov 8 - Sun, Nov 15

6:17 am - 5:20 pmPWM Portland-DEN Denver Intl

13h 03m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

9:07 am - 9:36 pmDEN Denver Intl-PWM Portland

10h 29m2 stops Dallas/Fort Worth Charlotte Douglas

$559American Airlines

Tue, Nov 10 - Tue, Nov 17

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

9h 55m2 stops Baltimore/Washington Dallas Love Field

7:05 pm - 9:50 amDEN Denver Intl-PWM Portland

12h 45m1 stop Baltimore/Washington

$590Southwest

Sun, Nov 8 - Sun, Nov 15

6:00 am - 2:09 pmPWM Portland-DEN Denver Intl

10h 09m1 stop Philadelphia

2:17 pm - 10:33 pmDEN Denver Intl-PWM Portland

6h 16m1 stop Charlotte Douglas

$739American Airlines

Fri, Nov 6 - Sun, Nov 8

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

Delta flights from Maine to Colorado

Our best Delta deals on Maine to Colorado flight tickets

Delta

Feb 23

BGR3:11 pmBangor

7h 29m

1 stop

DEN8:40 pmDenver Intl

Feb 27

DEN1:01 pmDenver Intl

7h 33m

1 stop

BGR10:34 pmBangor

$341

Delta

May 1

BGR6:00 amBangor

11h 15m

2 stops

DEN3:15 pmDenver Intl

May 15

DEN12:20 pmDenver Intl

7h 41m

1 stop

BGR10:01 pmBangor

$346

Delta

May 1

BGR6:00 amBangor

11h 15m

2 stops

DEN3:15 pmDenver Intl

May 15

DEN11:10 amDenver Intl

10h 13m

2 stops

BGR11:23 pmBangor

$351

United Airlines flights from Maine to Colorado

Our best United Airlines deals on Maine to Colorado flight tickets

United Airlines

Dec 16

PWM3:20 pmPortland

8h 15m

1 stop

DEN9:35 pmDenver Intl

Dec 31

DEN4:09 pmDenver Intl

5h 50m

1 stop

PWM11:59 pmPortland

$377

United Airlines

Feb 16

BGR11:25 amBangor

10h 09m

1 stop

DEN7:34 pmDenver Intl

Feb 20

DEN11:59 pmDenver Intl

8h 45m

1 stop

BGR10:44 amBangor

$391

United Airlines

Jan 21

PWM9:10 amPortland

13h 29m

2 stops

DRO8:39 pmDurango La Plata County

Feb 2

DRO7:00 amDurango La Plata County

9h 53m

2 stops

PWM6:53 pmPortland

$419

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangorDenver

BGR Bangor - DEN Denver Intl

BGRDEN

Bangor

Sat 12/5

10:07 am-5:08 pm

1 stop9h 01m

Denver Intl

Tue 12/8

10:18 am-9:27 am

2 stops21h 09m

$264

BangorDenver

BGR Bangor - DEN Denver Intl

BGRDEN

Bangor

Sat 12/5

10:07 am-5:08 pm

1 stop9h 01m

Denver Intl

Tue 12/8

9:00 am-9:27 am

2 stops22h 27m

$285

BangorDenver

BGR Bangor - DEN Denver Intl

BGRDEN

Bangor

Sat 5/1

8:00 am-2:23 pm

1 stop8h 23m

Denver Intl

Sat 5/15

6:00 am-2:58 pm

1 stop6h 58m

$341

BangorDenver

BGR Bangor - DEN Denver Intl

BGRDEN

Bangor

Tue 2/23

3:11 pm-8:40 pm

1 stop7h 29m

Denver Intl

Sat 2/27

1:01 pm-10:34 pm

1 stop7h 33m

$341

BangorDenver

BGR Bangor - DEN Denver Intl

BGRDEN

Bangor

Sat 5/1

6:00 am-3:15 pm

2 stops11h 15m

Denver Intl

Sat 5/15

12:20 pm-10:01 pm

1 stop7h 41m

$346

Quickest round-trip

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Wed 12/16

3:20 pm-9:35 pm

1 stop8h 15m

Denver Intl

Thu 12/31

4:09 pm-11:59 pm

1 stop5h 50m

$377

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Wed 2/24

6:07 am-11:09 am

1 stop7h 02m

Denver Intl

Wed 3/3

7:33 am-10:02 pm

2 stops12h 29m

$382

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Mon 1/25

5:00 am-2:19 pm

2 stops11h 19m

Denver Intl

Fri 1/29

11:32 am-9:29 pm

1 stop7h 57m

$382

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Tue 1/5

3:25 pm-9:50 pm

1 stop8h 25m

Denver Intl

Fri 1/8

11:15 am-9:45 pm

2 stops8h 30m

$382

PortlandDenver

PWM Portland - DEN Denver Intl

PWMDEN

Portland

Wed 1/6

5:30 am-1:20 pm

2 stops9h 50m

Denver Intl

Tue 2/16

7:20 am-2:50 pm

1 stop5h 30m

$382

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 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 Maine, with most prices found around $403. The month of April is another great option to travel to Colorado, with average flight prices from Maine averaging around $417.

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

The cheapest day to depart from Maine to Colorado is on a Thursday when prices can be found for as low as $511. On the other hand, Sunday is the most expensive day to depart from 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 Maine to Colorado flight route?

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

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

You are more likely to see cheaper flights to Colorado from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $485 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Maine for as low as $419 on momondo.

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

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

You could potentially save up to 40% on your flight if you consider stops on a Maine to Colorado flight.

Cheap Maine to Colorado flight deals and tips

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

Best Price Found	$132
Fastest flight time	4h 37m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Maine in the past 72 hours is $132. The best round-trip flight deal from Maine to Colorado found on momondo in the last 72 hours is $264.

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

Direct flights go from Maine to Colorado every day.

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

Search flight deals

Frequently asked questions about flying from Maine to Colorado

When did momondo last update prices for flights from Maine to Colorado?
Prices for flights from Maine to Colorado are updated daily.
How many operators does momondo search for flights from Maine to Colorado?
There are 5 operators available for flights from Maine to Colorado as of November 2026.
How old do you have to be to fly from Maine to Colorado?
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 Maine to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Maine to Colorado?
Based on momondo bookings for flights between Maine and Colorado, the leading plane model is Boeing 737-800, making up 41.59% of the total bookings. Other popular models include Boeing 737 MAX 8 with 39.82%, Boeing 737 with 6.19%, and Airbus A319 with 1.77%.

Best airlines flying from Maine to Colorado

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $164	Free Cancellation	Rating 7.1 3,063 reviews	Search JetBlue flights
United Airlines	PriceFrom $169	Free Cancellation	Rating 7.3 10,462 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 4,214 reviews	Search Southwest flights

Why use momondo?

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

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 Maine to Colorado for you.

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

Yes. All flights to Colorado from Maine on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Maine to Colorado 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 Maine to Colorado right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colorado from Maine. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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

Sat 12/5

Sat 12/12

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 Maine

Other flights to Colorado

Airlines

Complete your trip

Feeling lucky

Popular cities in Colorado

Flights to New Yorkfrom $68

Flights to Los Angelesfrom $38

Flights to Orlandofrom $62

Flights to Miamifrom $38

Flights to San Franciscofrom $38

Flights to Chicagofrom $78

Flights to Las Vegasfrom $38

Flights to Washington, D.C.from $46

Flights to Fort Lauderdalefrom $38

Flights to Bostonfrom $71

Flights to Atlantafrom $46

Flights to Dallasfrom $38

Cheap flights from Maine to Colorado from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to Colorado departing on 1/20. 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 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

Delta flights from Maine to Colorado

Our best Delta deals on Maine to Colorado flight tickets

United Airlines flights from Maine to Colorado

Our best United Airlines deals on Maine to Colorado flight tickets

momondo Fare Finder

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

See travel insights to Colorado from

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

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

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

Can stopping save me money on Maine to Colorado flights?

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

What airlines fly to Colorado?

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

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

How long is the flight from Maine to Colorado?

Cheap Maine to Colorado flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from Maine to Colorado

Best airlines flying from Maine to Colorado

Compare and see reviews for airlines that fly from 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

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