What airlines fly to Maine?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Maine from Colorado according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Maine. Keep in mind that there are 5 different airlines that fly to Maine on a routine basis, so you have a few additional options to choose from.

How long is the flight from Colorado to Maine?

If you’re flying from a popular airport in Colorado, such as Denver or Durango, and flying into Maine, then you can expect flight times to average 3h 51m and 7h 02m, respectively.

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

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

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

The number of flights available between Colorado and Maine is 3 per week as of September 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

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

Prices for flights from Colorado to Maine are updated daily.

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

As of September 2026, there are 5 operators available to choose from for flights from Colorado to Maine.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Maine.

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

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

$149 Cheap Flights from Colorado to Maine in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Maine

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:58 pm - 9:27 amDEN Denver Intl-BGR Bangor

12h 29m1 stop Tampa

10:07 am - 9:25 pmBGR Bangor-DEN Denver Intl

13h 18m2 stops Tampa Atlanta Hartsfield-Jackson

$279Multiple Airlines

Tue, Jan 19 - Wed, Jan 27

6:58 pm - 9:27 amDEN Denver Intl-BGR Bangor

12h 29m1 stop Tampa

10:07 am - 9:25 pmBGR Bangor-DEN Denver Intl

13h 18m2 stops Tampa Atlanta Hartsfield-Jackson

$284Multiple Airlines

Tue, Jan 12 - Wed, Jan 20

12:17 pm - 11:07 pmDEN Denver Intl-BGR Bangor

8h 50m1 stop Chicago O'Hare Intl

6:37 am - 1:47 pmBGR Bangor-DEN Denver Intl

9h 10m1 stop Chicago O'Hare Intl

$308American Airlines

Sat, Oct 24 - Sat, Oct 31

2:29 pm - 11:07 pmDEN Denver Intl-BGR Bangor

6h 38m1 stop Chicago O'Hare Intl

6:37 am - 4:04 pmBGR Bangor-DEN Denver Intl

11h 27m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$314American Airlines

Sat, Oct 24 - Sat, Oct 31

10:35 am - 11:26 pmDEN Denver Intl-BGR Bangor

10h 51m2 stops Detroit Metropolitan Wayne County New York LaGuardia

5:10 am - 10:25 amBGR Bangor-DEN Denver Intl

7h 15m1 stop New York LaGuardia

$326Delta

Wed, Dec 2 - Wed, Dec 9

12:57 am - 3:05 pmDEN Denver Intl-BGR Bangor

12h 08m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:10 am - 10:25 amBGR Bangor-DEN Denver Intl

7h 15m1 stop New York LaGuardia

$326Delta

Fri, Dec 4 - Tue, Dec 8

11:15 am - 9:40 pmDEN Denver Intl-PWM Portland

8h 25m1 stop Baltimore/Washington

12:50 pm - 7:30 pmPWM Portland-DEN Denver Intl

8h 40m1 stop Baltimore/Washington

$388Southwest

Wed, Jan 6 - Tue, Jan 12

2:55 pm - 11:55 pmDEN Denver Intl-PWM Portland

7h 00m1 stop Baltimore/Washington

5:10 pm - 11:55 pmPWM Portland-DEN Denver Intl

8h 45m1 stop Baltimore/Washington

$388Southwest

Thu, Nov 5 - Mon, Nov 9

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

3h 51mnonstop

5:08 pm - 11:30 pmPWM Portland-DEN Denver Intl

8h 22m1 stop Chicago O'Hare Intl

$389United Airlines

Sat, Nov 7 - Sat, Nov 14

1:35 pm - 11:28 pmDEN Denver Intl-PWM Portland

7h 53m1 stop Newark

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

4h 51mnonstop

$389United Airlines

Sat, Oct 24 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

6:35 am - 3:34 pmDEN Denver Intl-BGR Bangor

6h 59m1 stop New York John F Kennedy Intl

2:50 pm - 9:13 pmBGR Bangor-DEN Denver Intl

8h 23m1 stop Atlanta Hartsfield-Jackson

$421Delta

Sat, Sep 26 - Sat, Oct 3

6:30 am - 4:02 pmDEN Denver Intl-BGR Bangor

7h 32m1 stop Detroit Metropolitan Wayne County

2:50 pm - 9:13 pmBGR Bangor-DEN Denver Intl

8h 23m1 stop Atlanta Hartsfield-Jackson

$469Delta

Sat, Sep 26 - Sat, Oct 3

12:29 pm - 11:47 pmDEN Denver Intl-PWM Portland

9h 18m1 stop Chicago O'Hare Intl

4:27 pm - 12:36 amPWM Portland-DEN Denver Intl

10h 09m2 stops New York LaGuardia Chicago O'Hare Intl

$483American Airlines

Fri, Sep 25 - Tue, Oct 6

1:05 pm - 11:47 pmDEN Denver Intl-BGR Bangor

8h 42m1 stop Philadelphia

7:02 am - 4:57 pmBGR Bangor-DEN Denver Intl

11h 55m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$483American Airlines

Sat, Sep 26 - Sat, Oct 3

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

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

7:25 pm - 12:30 amPWM Portland-DEN Denver Intl

7h 05m1 stop Washington, D.C. Dulles Intl

$529United Airlines

Sun, Sep 27 - Sat, Oct 3

10:04 am - 4:02 pmDEN Denver Intl-PWM Portland

3h 58mnonstop

6:00 am - 12:21 pmPWM Portland-DEN Denver Intl

8h 21m1 stop Newark

$547United Airlines

Sun, Sep 27 - Sun, Oct 4

11:24 am - 11:24 pmDEN Denver Intl-PWM Portland

10h 00m1 stop Cincinnati Cinci./N. Kentucky

7:00 am - 6:17 pmPWM Portland-DEN Denver Intl

13h 17m1 stop Cincinnati Cinci./N. Kentucky

$596Multiple Airlines

Mon, Sep 28 - Fri, Oct 2

1:10 pm - 10:30 pmDEN Denver Intl-PWM Portland

7h 20m1 stop Baltimore/Washington

5:30 pm - 11:45 pmPWM Portland-DEN Denver Intl

8h 15m2 stops Baltimore/Washington Dallas Love Field

$618Southwest

Mon, Sep 28 - Fri, Oct 2

11:25 am - 10:30 pmDEN Denver Intl-PWM Portland

9h 05m2 stops Houston Hobby Baltimore/Washington

5:30 pm - 11:45 pmPWM Portland-DEN Denver Intl

8h 15m2 stops Baltimore/Washington Dallas Love Field

$623Southwest

Mon, Sep 28 - Fri, Oct 2

7:12 pm - 9:19 pmDEN Denver Intl-PWM Portland

48h 07m2 stops Orlando Columbus

9:48 am - 7:37 amPWM Portland-DEN Denver Intl

23h 49m1 stop Orlando

$813Multiple Airlines

Thu, Sep 24 - Sat, Oct 3

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Southwest flights from Colorado to Maine

Our best Southwest deals on Colorado to Maine flight tickets

Southwest

Nov 5

DEN2:55 pmDenver Intl

7h 00m

1 stop

PWM11:55 pmPortland

Nov 9

PWM5:10 pmPortland

8h 45m

1 stop

DEN11:55 pmDenver Intl

$388

Southwest

Nov 5

DEN2:55 pmDenver Intl

7h 00m

1 stop

PWM11:55 pmPortland

Nov 9

PWM1:40 pmPortland

8h 20m

2 stops

DEN8:00 pmDenver Intl

$393

Southwest

Oct 17

DEN11:00 amDenver Intl

9h 15m

2 stops

PWM10:15 pmPortland

Oct 28

PWM12:55 pmPortland

8h 25m

2 stops

DEN7:20 pmDenver Intl

$398

Delta flights from Colorado to Maine

Our best Delta deals on Colorado to Maine flight tickets

Delta

Dec 2

DEN10:35 amDenver Intl

10h 51m

2 stops

BGR11:26 pmBangor

Dec 8

BGR5:10 amBangor

7h 15m

1 stop

DEN10:25 amDenver Intl

$326

Delta

Dec 2

DEN10:35 amDenver Intl

10h 51m

2 stops

BGR11:26 pmBangor

Dec 8

BGR5:10 amBangor

11h 55m

2 stops

DEN3:05 pmDenver Intl

$331

Delta

Dec 3

COS1:40 pmColorado Springs

8h 13m

1 stop

PWM11:53 pmPortland

Dec 6

PWM6:00 amPortland

8h 33m

1 stop

COS12:33 pmColorado Springs

$334

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBangor

DEN Denver Intl - BGR Bangor

DENBGR

Denver Intl

Tue 1/19

6:58 pm-9:27 am

1 stop12h 29m

Bangor

Wed 1/27

10:07 am-9:25 pm

2 stops13h 18m

$279

DenverBangor

DEN Denver Intl - BGR Bangor

DENBGR

Denver Intl

Tue 1/12

6:58 pm-9:27 am

1 stop12h 29m

Bangor

Wed 1/20

10:07 am-9:25 pm

2 stops13h 18m

$284

DenverBangor

DEN Denver Intl - BGR Bangor

DENBGR

Denver Intl

Sat 10/24

12:17 pm-11:07 pm

1 stop8h 50m

Bangor

Sat 10/31

6:37 am-1:47 pm

1 stop9h 10m

$308

DenverBangor

DEN Denver Intl - BGR Bangor

DENBGR

Denver Intl

Sat 10/24

2:29 pm-11:07 pm

1 stop6h 38m

Bangor

Sat 10/31

6:37 am-4:04 pm

2 stops11h 27m

$314

DenverBangor

DEN Denver Intl - BGR Bangor

DENBGR

Denver Intl

Wed 12/2

10:35 am-11:26 pm

2 stops10h 51m

Bangor

Wed 12/9

5:10 am-10:25 am

1 stop7h 15m

$326

DenverBangor

DEN Denver Intl - BGR Bangor

DENBGR

Denver Intl

Fri 12/4

12:57 am-3:05 pm

2 stops12h 08m

Bangor

Tue 12/8

5:10 am-10:25 am

1 stop7h 15m

$326

DenverPortland

DEN Denver Intl - PWM Portland

DENPWM

Denver Intl

Wed 1/6

11:15 am-9:40 pm

1 stop8h 25m

Portland

Tue 1/12

12:50 pm-7:30 pm

1 stop8h 40m

$388

DenverPortland

DEN Denver Intl - PWM Portland

DENPWM

Denver Intl

Thu 11/5

2:55 pm-11:55 pm

1 stop7h 00m

Portland

Mon 11/9

5:10 pm-11:55 pm

1 stop8h 45m

$388

Quickest round-trip

DenverPortland

DEN Denver Intl - PWM Portland

DENPWM

Denver Intl

Sat 11/7

10:11 am-4:02 pm

Nonstop3h 51m

Portland

Sat 11/14

5:08 pm-11:30 pm

1 stop8h 22m

$389

DenverPortland

DEN Denver Intl - PWM Portland

DENPWM

Denver Intl

Sat 10/24

1:35 pm-11:28 pm

1 stop7h 53m

Portland

Sat 10/31

3:23 pm-6:14 pm

Nonstop4h 51m

$389

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 Colorado to 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 Maine?

The cheapest month to fly to Maine from Colorado is in January. Flight prices, which tend to average around $377, are often lower during this time because this is during the off-season. If you aren’t able to travel to Maine during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $393.

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

The cheapest day to depart from Colorado to Maine is on a Friday. Travelers who choose to depart for Maine on a Friday will often find tickets for as low as $546. Flights from Colorado to Maine on a Sunday will generally be more expensive and average around $717. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Colorado to Maine flight route?

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

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

You are more likely to see cheaper flights to Maine from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Maine for around $478 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Maine from Colorado for as low as $360 on momondo.

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

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

You could potentially save up to 13% on your flight if you consider stops on a Colorado to Maine flight.

Cheap Colorado to Maine flight deals and tips

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

Best Price Found	$149
Fastest flight time	3h 46m
Direct flights	Every day
Airports in Maine	49 airports

The best one-way flight to Maine from Colorado in the past 72 hours is $149. The best round-trip flight deal from Colorado to Maine found on momondo in the last 72 hours is $279.

The fastest flight from Colorado to Maine takes 3h 46m

Direct flights go from Colorado to Maine every day.

There are 49 airports in Maine. From Colorado there are direct flights to Portland (PWM).

Search flight deals

Frequently asked questions about flying from Colorado to Maine

When did momondo last update prices for flights from Colorado to Maine?
Prices for flights from Colorado to Maine are updated daily.
How many operators does momondo search for flights from Colorado to Maine?
As of September 2026, there are 5 operators available to choose from for flights from Colorado to Maine.
How old do you have to be to fly from Colorado to Maine?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Maine.
What documentation or ID do you need to fly to Maine?
The required travel and health documents for your Maine 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 Maine. 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 Maine?
momondo data reveals that the most frequently booked plane model on the route from Colorado to Maine is Boeing 737 MAX 9, representing 62.35% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 14.20%, Boeing 737 at 8.64%, and Boeing 737-800 at 6.17%.

Best airlines flying from Colorado to Maine

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $249	Free Cancellation	Rating 7.8 8,597 reviews	Search Delta flights
JetBlue	PriceFrom $266	Free Cancellation	Rating 7.1 3,036 reviews	Search JetBlue flights
United Airlines	PriceFrom $290	Free Cancellation	Rating 7.4 10,222 reviews	Search United Airlines flights
American Airlines	PriceFrom $313	Free Cancellation	Rating 7.0 12,076 reviews	Search American Airlines flights
Southwest	PriceFrom $348	Free Cancellation	Rating 8.0 4,194 reviews	Search Southwest flights

Why use momondo?

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

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 Maine from Colorado.

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

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

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

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 Maine from Colorado.

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

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

An easier way to manage your 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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Popular cities in Maine

Flights to New Yorkfrom $68

Flights to Los Angelesfrom $50

Flights to Orlandofrom $52

Flights to Miamifrom $79

Flights to San Franciscofrom $43

Flights to Chicagofrom $50

Flights to Las Vegasfrom $38

Flights to Washington, D.C.from $46

Flights to Fort Lauderdalefrom $60

Flights to Bostonfrom $105

Flights to Atlantafrom $43

Flights to Dallasfrom $59

Cheap flights from Colorado to Maine from $149

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 Maine departing on 10/28. 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 Colorado to Maine

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Southwest flights from Colorado to Maine

Our best Southwest deals on Colorado to Maine flight tickets

Delta flights from Colorado to Maine

Our best Delta deals on Colorado to Maine flight tickets

momondo Fare Finder

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

See travel insights to Maine from

How to get the cheapest flight ticket from Colorado to Maine

What is the cheapest month to fly to Maine?

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

What is the cheapest Colorado to Maine flight route?

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

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

Can stopping save me money on Colorado to Maine flights?

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

What airlines fly to Maine?

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

How long is the flight from Colorado to Maine?

Cheap Colorado to Maine flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Maine

Frequently asked questions about flying from Colorado to Maine

Best airlines flying from Colorado to Maine

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

Why use momondo?

An easier way to manage your 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 Maine

Popular cities in Maine

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

Colorado flight routes

According to popular flight searches on momondo this year

Maine flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Maine

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