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

United Airlines, Southwest, and JetBlue 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 76 per week as of September 2026. The most frequent departure day is Fri, with 21% 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 33m on average. Another popular route from Maine to Colorado is flying from Bangor to Denver, which will take roughly 6h 43m. Keep in mind that layovers or delays could extend your travel time.

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 55% 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.

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

The number of flights available between Maine and Colorado is 10 per day as of September 2026. The most frequent departure time is 3:00PM, with 100% of daily flights leaving in the afternoon.

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 6 operators available for flights from Maine to Colorado as of September 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.

$115 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.

5:25 am - 9:45 amBOS Boston Logan Intl-COS Colorado Springs

6h 20m1 stop Denver Intl

6:00 am - 5:20 pmCOS Colorado Springs-BOS Boston Logan Intl

9h 20m2 stops Denver Intl Nashville Intl

$168Southwest

Tue, Oct 27 - Sat, Oct 31

5:43 am - 1:04 pmBOS Boston Logan Intl-COS Colorado Springs

9h 21m1 stop Chicago O'Hare Intl

8:00 am - 5:52 pmCOS Colorado Springs-BOS Boston Logan Intl

7h 52m1 stop Dallas/Fort Worth

$171American Airlines

Wed, Nov 18 - Thu, Nov 26

7:05 am - 1:25 pmBOS Boston Logan Intl-COS Colorado Springs

8h 20m1 stop Chicago Midway

4:15 pm - 11:40 pmCOS Colorado Springs-BOS Boston Logan Intl

5h 25m1 stop Denver Intl

$171Southwest

Thu, Oct 29 - Tue, Nov 3

11:08 am - 9:58 amBOS Boston Logan Intl-DEN Denver Intl

24h 50m1 stop Orlando

8:07 pm - 10:39 amDEN Denver Intl-BOS Boston Logan Intl

12h 32m1 stop Atlanta Hartsfield-Jackson

$216Frontier

Thu, Dec 3 - Thu, Dec 10

11:00 am - 5:55 pmBOS Boston Logan Intl-DEN Denver Intl

8h 55m1 stop Newark

7:45 am - 1:41 pmDEN Denver Intl-BOS Boston Logan Intl

3h 56mnonstop

$217United Airlines

Thu, Nov 26 - Wed, Dec 2

9:20 am - 12:12 pmBOS Boston Logan Intl-DEN Denver Intl

4h 52mnonstop

7:45 am - 4:00 pmDEN Denver Intl-BOS Boston Logan Intl

6h 15m1 stop Newark

$217United Airlines

Wed, Jan 20 - Sun, Jan 24

7:23 pm - 12:36 amBOS Boston Logan Intl-DEN Denver Intl

7h 13m1 stop Chicago O'Hare Intl

3:14 pm - 11:55 pmDEN Denver Intl-BOS Boston Logan Intl

6h 41m1 stop Dallas/Fort Worth

$217American Airlines

Wed, Oct 21 - Tue, Oct 27

9:45 am - 2:36 pmBOS Boston Logan Intl-DEN Denver Intl

6h 51m1 stop New York John F Kennedy Intl

3:30 pm - 11:49 pmDEN Denver Intl-BOS Boston Logan Intl

6h 19m1 stop New York John F Kennedy Intl

$218JetBlue

Fri, Oct 30 - Thu, Nov 5

6:55 pm - 9:43 pmBOS Boston Logan Intl-DEN Denver Intl

4h 48mnonstop

10:59 pm - 4:47 amDEN Denver Intl-BOS Boston Logan Intl

3h 48mnonstop

$218JetBlue

Wed, Mar 3 - Mon, Mar 8

11:08 am - 9:30 pmBOS Boston Logan Intl-DEN Denver Intl

12h 22m1 stop Orlando

11:59 pm - 10:13 amDEN Denver Intl-BOS Boston Logan Intl

8h 14m1 stop Orlando

$222Frontier

Thu, Dec 3 - Sat, Dec 5

Cheap last minute flights

Enter your travel dates to find the best prices.

12:54 pm - 9:24 pmBOS Boston Logan Intl-DEN Denver Intl

10h 30m1 stop Atlanta Hartsfield-Jackson

7:12 pm - 10:41 amDEN Denver Intl-BOS Boston Logan Intl

13h 29m1 stop Orlando

$320Frontier

Thu, Sep 24 - Fri, Oct 2

12:54 pm - 9:24 pmBOS Boston Logan Intl-DEN Denver Intl

10h 30m1 stop Atlanta Hartsfield-Jackson

6:40 am - 10:41 amDEN Denver Intl-BOS Boston Logan Intl

26h 01m1 stop Orlando

$326Frontier

Fri, Sep 25 - Fri, Oct 2

12:54 pm - 9:24 pmBOS Boston Logan Intl-DEN Denver Intl

10h 30m1 stop Atlanta Hartsfield-Jackson

12:44 pm - 7:00 pmDEN Denver Intl-BOS Boston Logan Intl

4h 16mnonstop

$368Multiple Airlines

Sat, Sep 26 - Sat, Oct 3

12:52 pm - 9:03 pmBOS Boston Logan Intl-DEN Denver Intl

10h 11m1 stop Atlanta Hartsfield-Jackson

11:50 am - 6:09 amDEN Denver Intl-BOS Boston Logan Intl

16h 19m1 stop Portland

$374Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

6:00 am - 12:48 pmBOS Boston Logan Intl-COS Colorado Springs

8h 48m1 stop Chicago O'Hare Intl

12:37 pm - 9:00 pmCOS Colorado Springs-BOS Boston Logan Intl

6h 23m1 stop Chicago O'Hare Intl

$390American Airlines

Wed, Sep 23 - Wed, Sep 30

8:25 am - 4:29 pmBOS Boston Logan Intl-COS Colorado Springs

10h 04m2 stops Washington, D.C. Reagan-National Dallas/Fort Worth

12:37 pm - 10:27 pmCOS Colorado Springs-BOS Boston Logan Intl

7h 50m1 stop Chicago O'Hare Intl

$395American Airlines

Wed, Sep 23 - Wed, Sep 30

7:45 am - 10:22 amBOS Boston Logan Intl-DEN Denver Intl

4h 37mnonstop

3:45 pm - 9:49 pmDEN Denver Intl-BOS Boston Logan Intl

4h 04mnonstop

$437United Airlines

Wed, Sep 23 - Tue, Sep 29

11:55 am - 2:28 pmBOS Boston Logan Intl-DEN Denver Intl

4h 33mnonstop

5:52 pm - 11:59 pmDEN Denver Intl-BOS Boston Logan Intl

4h 07mnonstop

$437United Airlines

Tue, Sep 22 - Tue, Sep 29

5:40 am - 8:00 amBOS Boston Logan Intl-DEN Denver Intl

4h 20mnonstop

1:30 pm - 12:30 amDEN Denver Intl-BOS Boston Logan Intl

9h 00m1 stop San Diego

$447Southwest

Thu, Sep 24 - Tue, Sep 29

5:40 am - 8:00 amBOS Boston Logan Intl-DEN Denver Intl

4h 20mnonstop

6:40 am - 4:00 pmDEN Denver Intl-BOS Boston Logan Intl

7h 20m1 stop Baltimore/Washington

$457Southwest

Fri, Sep 25 - Wed, Sep 30

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

Frontier flights from Maine to Colorado

Our best Frontier deals on Maine to Colorado flight tickets

Frontier

Dec 3

BOS11:08 amBoston Logan Intl

24h 50m

1 stop

DEN9:58 amDenver Intl

Dec 10

DEN8:07 pmDenver Intl

12h 32m

1 stop

BOS10:39 amBoston Logan Intl

$216

Frontier

Oct 1

BOS11:17 amBoston Logan Intl

10h 20m

1 stop

DEN7:37 pmDenver Intl

Oct 2

DEN7:12 pmDenver Intl

13h 29m

1 stop

BOS10:41 amBoston Logan Intl

$252

Frontier

Oct 2

BOS11:36 amBoston Logan Intl

10h 01m

1 stop

DEN7:37 pmDenver Intl

Oct 15

DEN7:02 pmDenver Intl

14h 00m

1 stop

BOS11:02 amBoston Logan Intl

$255

American Airlines flights from Maine to Colorado

Our best American Airlines deals on Maine to Colorado flight tickets

American Airlines

Oct 21

BOS7:23 pmBoston Logan Intl

7h 13m

1 stop

DEN12:36 amDenver Intl

Oct 28

DEN1:07 pmDenver Intl

6h 57m

1 stop

BOS10:04 pmBoston Logan Intl

$217

American Airlines

Oct 6

BOS7:00 amBoston Logan Intl

8h 47m

1 stop

DEN1:47 pmDenver Intl

Oct 13

DEN11:30 pmDenver Intl

7h 10m

1 stop

BOS8:40 amBoston Logan Intl

$233

American Airlines

Oct 7

BOS7:23 pmBoston Logan Intl

7h 13m

1 stop

DEN12:36 amDenver Intl

Oct 12

DEN11:59 pmDenver Intl

6h 41m

1 stop

BOS8:40 amBoston Logan Intl

$239

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonColorado Springs

BOS Boston Logan Intl - COS Colorado Springs

BOSCOS

Boston Logan Intl

Tue 10/27

5:25 am-9:45 am

1 stop6h 20m

Colorado Springs

Sat 10/31

6:00 am-5:20 pm

2 stops9h 20m

$168

BostonColorado Springs

BOS Boston Logan Intl - COS Colorado Springs

BOSCOS

Boston Logan Intl

Wed 11/18

5:43 am-1:04 pm

1 stop9h 21m

Colorado Springs

Thu 11/26

8:00 am-5:52 pm

1 stop7h 52m

$171

BostonColorado Springs

BOS Boston Logan Intl - COS Colorado Springs

BOSCOS

Boston Logan Intl

Thu 10/29

7:05 am-1:25 pm

1 stop8h 20m

Colorado Springs

Tue 11/3

4:15 pm-11:40 pm

1 stop5h 25m

$171

BostonDenver

BOS Boston Logan Intl - DEN Denver Intl

BOSDEN

Boston Logan Intl

Thu 12/3

11:08 am-9:58 am

1 stop24h 50m

Denver Intl

Thu 12/10

8:07 pm-10:39 am

1 stop12h 32m

$216

BostonDenver

BOS Boston Logan Intl - DEN Denver Intl

BOSDEN

Boston Logan Intl

Thu 11/26

11:00 am-5:55 pm

1 stop8h 55m

Denver Intl

Wed 12/2

7:45 am-1:41 pm

Nonstop3h 56m

$217

BostonDenver

BOS Boston Logan Intl - DEN Denver Intl

BOSDEN

Boston Logan Intl

Wed 1/20

9:20 am-12:12 pm

Nonstop4h 52m

Denver Intl

Sun 1/24

7:45 am-4:00 pm

1 stop6h 15m

$217

BostonDenver

BOS Boston Logan Intl - DEN Denver Intl

BOSDEN

Boston Logan Intl

Wed 10/21

7:23 pm-12:36 am

1 stop7h 13m

Denver Intl

Tue 10/27

3:14 pm-11:55 pm

1 stop6h 41m

$217

BostonDenver

BOS Boston Logan Intl - DEN Denver Intl

BOSDEN

Boston Logan Intl

Fri 10/30

9:45 am-2:36 pm

1 stop6h 51m

Denver Intl

Thu 11/5

3:30 pm-11:49 pm

1 stop6h 19m

$218

Quickest round-trip

BostonDenver

BOS Boston Logan Intl - DEN Denver Intl

BOSDEN

Boston Logan Intl

Wed 3/3

6:55 pm-9:43 pm

Nonstop4h 48m

Denver Intl

Mon 3/8

10:59 pm-4:47 am

Nonstop3h 48m

$218

BostonDenver

BOS Boston Logan Intl - DEN Denver Intl

BOSDEN

Boston Logan Intl

Thu 12/3

11:08 am-9:30 pm

1 stop12h 22m

Denver Intl

Sat 12/5

11:59 pm-10:13 am

1 stop8h 14m

$222

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 $392. The month of November is another great option to travel to Colorado, with average flight prices from Maine averaging around $396.

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 $516. 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 $909.

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 $475 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 52% 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	$115
Fastest flight time	4h 20m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Maine in the past 72 hours is $115. The best round-trip flight deal from Maine to Colorado found on momondo in the last 72 hours is $168.

The fastest flight from Maine to Colorado takes 4h 20m

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 6 operators available for flights from Maine to Colorado as of September 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 MAX 8, making up 60.74% of the total bookings. Other popular models include Boeing 737-800 with 18.52%, Boeing 737 with 5.93%, and Boeing 737 MAX 9 with 3.70%.

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 3,032 reviews	Search JetBlue flights
United Airlines	PriceFrom $169	Free Cancellation	Rating 7.4 10,231 reviews	Search United Airlines flights
American Airlines	PriceFrom $269	Free Cancellation	Rating 7.0 12,086 reviews	Search American Airlines flights
Delta	PriceFrom $288	Free Cancellation	Rating 7.8 8,591 reviews	Search Delta flights
Southwest	PriceFrom $322	Free Cancellation	Rating 8.0 4,195 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

Tue 10/20

Tue 10/27

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 $69

Flights to Los Angelesfrom $38

Flights to Orlandofrom $48

Flights to Miamifrom $50

Flights to San Franciscofrom $43

Flights to Chicagofrom $50

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $38

Flights to Bostonfrom $106

Flights to Fort Lauderdalefrom $38

Flights to Atlantafrom $38

Flights to Dallasfrom $59

Cheap flights from Maine to Colorado from $115

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 11/12. 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

Frontier flights from Maine to Colorado

Our best Frontier deals on Maine to Colorado flight tickets

American Airlines flights from Maine to Colorado

Our best American 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