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

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

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

The number of flights available between Maine and Colorado is 15 per day as of May 2026. The most frequent departure time is 3:00PM, with 100% of daily flights leaving in the afternoon.

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

The number of flights available between Maine and Colorado is 111 per week as of May 2026. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.

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 54% 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 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 4h 48m. Keep in mind that layovers or delays could extend your travel time.

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 May 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.

$99 Cheap Flights from Maine to Colorado in 2026

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Find the cheapest flights from Maine to Colorado

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 9:45 pm

BOS

COS

10h 25m

2 stops

4:20 pm - 12:30 am

COS

BOS

6h 10m

1 stop

$214Southwest

Wed, Aug 19 - Mon, Aug 24

6:45 pm - 9:35 pm

BOS

DEN

4h 50mnonstop

11:37 pm - 5:32 am

DEN

BOS

3h 55mnonstop

$217JetBlue

Tue, Jun 9 - Fri, Jun 12

12:01 pm - 10:24 pm

BOS

DEN

12h 23m

1 stop

10:34 pm - 4:27 am

DEN

BOS

3h 53mnonstop

$218Multiple Airlines

Fri, Jun 5 - Mon, Jun 8

7:30 am - 2:44 pm

BOS

COS

9h 14m

1 stop

8:00 am - 7:42 pm

COS

BOS

9h 42m

1 stop

$219American Airlines

Wed, Aug 19 - Mon, Aug 24

8:41 am - 2:19 pm

BOS

DEN

7h 38m

1 stop

11:37 pm - 5:30 am

DEN

BOS

3h 53mnonstop

$220Multiple Airlines

Fri, Jul 10 - Tue, Jul 14

8:39 pm - 11:26 pm

BOS

DEN

4h 47mnonstop

11:59 pm - 5:58 am

DEN

BOS

3h 59mnonstop

$224United Airlines

Wed, Jul 22 - Wed, Jul 29

7:45 am - 10:19 am

BOS

DEN

4h 34mnonstop

11:59 pm - 5:58 am

DEN

BOS

3h 59mnonstop

$226United Airlines

Wed, Jun 17 - Thu, Jun 18

9:19 am - 2:44 pm

BOS

COS

7h 25m

1 stop

8:00 am - 7:42 pm

COS

BOS

9h 42m

1 stop

$254American Airlines

Wed, Aug 19 - Mon, Aug 24

2:33 pm - 8:29 pm

BGR

DEN

7h 56m

1 stop

6:40 am - 3:42 pm

DEN

BGR

7h 02m

1 stop

$291Delta

Sat, Aug 22 - Sat, Aug 29

6:00 am - 2:49 pm

BGR

DEN

10h 49m

2 stops

6:40 am - 3:42 pm

DEN

BGR

7h 02m

1 stop

$296Delta

Sat, Aug 22 - Sat, Aug 29

Frontier flights from Maine to Colorado

Our best Frontier deals on Maine to Colorado flight tickets

Frontier

Jul 10

BOS8:41 amBoston Logan Intl

7h 38m

1 stop

DEN2:19 pmDenver Intl

Jul 12

DEN6:00 amDenver Intl

25h 09m

1 stop

BOS9:09 amBoston Logan Intl

$221

Frontier

Jun 5

BOS12:01 pmBoston Logan Intl

12h 23m

1 stop

DEN10:24 pmDenver Intl

Jun 9

DEN9:58 amDenver Intl

13h 29m

1 stop

BOS1:27 amBoston Logan Intl

$228

Frontier

Aug 18

BOS9:12 amBoston Logan Intl

25h 46m

1 stop

DEN8:58 amDenver Intl

Aug 26

DEN6:30 amDenver Intl

16h 57m

1 stop

BOS1:27 amBoston Logan Intl

$235

JetBlue flights from Maine to Colorado

Our best JetBlue deals on Maine to Colorado flight tickets

JetBlue

Jun 9

BOS6:45 pmBoston Logan Intl

4h 50m

DEN9:35 pmDenver Intl

Jun 12

DEN11:37 pmDenver Intl

3h 55m

BOS5:32 amBoston Logan Intl

$217

JetBlue

Nov 4

BOS9:10 amBoston Logan Intl

4h 53m

DEN12:03 pmDenver Intl

Nov 8

DEN6:00 pmDenver Intl

3h 51m

BOS11:51 pmBoston Logan Intl

$219

JetBlue

Jun 9

BOS6:45 pmBoston Logan Intl

4h 50m

DEN9:35 pmDenver Intl

Jun 19

DEN11:37 pmDenver Intl

3h 55m

BOS5:32 amBoston Logan Intl

$222

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonColorado Springs

BOS - COS

BOSCOS

Boston Logan Intl

Wed 8/19

1:20 pm-9:45 pm

2 stops10h 25m

Colorado Springs

Mon 8/24

4:20 pm-12:30 am

1 stop6h 10m

$214

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Tue 6/9

6:45 pm-9:35 pm

Nonstop4h 50m

Denver Intl

Fri 6/12

11:37 pm-5:32 am

Nonstop3h 55m

$217

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Fri 6/5

12:01 pm-10:24 pm

1 stop12h 23m

Denver Intl

Mon 6/8

10:34 pm-4:27 am

Nonstop3h 53m

$218

BostonColorado Springs

BOS - COS

BOSCOS

Boston Logan Intl

Wed 8/19

7:30 am-2:44 pm

1 stop9h 14m

Colorado Springs

Mon 8/24

8:00 am-7:42 pm

1 stop9h 42m

$219

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Fri 7/10

8:41 am-2:19 pm

1 stop7h 38m

Denver Intl

Tue 7/14

11:37 pm-5:30 am

Nonstop3h 53m

$220

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Wed 7/22

8:39 pm-11:26 pm

Nonstop4h 47m

Denver Intl

Wed 7/29

11:59 pm-5:58 am

Nonstop3h 59m

$224

Quickest round-trip

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Wed 6/17

7:45 am-10:19 am

Nonstop4h 34m

Denver Intl

Thu 6/18

11:59 pm-5:58 am

Nonstop3h 59m

$226

BostonColorado Springs

BOS - COS

BOSCOS

Boston Logan Intl

Wed 8/19

9:19 am-2:44 pm

1 stop7h 25m

Colorado Springs

Mon 8/24

8:00 am-7:42 pm

1 stop9h 42m

$254

BangorDenver

BGR - DEN

BGRDEN

Bangor

Sat 8/22

2:33 pm-8:29 pm

1 stop7h 56m

Denver Intl

Sat 8/29

6:40 am-3:42 pm

1 stop7h 02m

$291

BangorDenver

BGR - DEN

BGRDEN

Bangor

Sat 8/22

6:00 am-2:49 pm

2 stops10h 49m

Denver Intl

Sat 8/29

6:40 am-3:42 pm

1 stop7h 02m

$296

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 September is, on average, the cheapest month to fly to Colorado from Maine, with most prices found around $126. The month of August is another great option to travel to Colorado, with average flight prices from Maine averaging around $165.

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

The cheapest day to depart from Maine to Colorado is on a Friday when prices can be found for as low as $497. 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 $834.

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

The cheapest time of day to fly to Colorado is in the afternoon when flights can be purchased for as low as $548. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $928 per ticket.

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 $447 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 $386 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	$303
Fastest flight time	4h 28m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Maine in the past 72 hours is $303. The best round-trip flight deal from Maine to Colorado found on momondo in the last 72 hours is $514.

The fastest flight from Maine to Colorado takes 4h 28m

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 May 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 39.84% of the total bookings. Other popular models include Boeing 737-800 with 39.02%, Boeing 737-900 with 6.50%, and Airbus A320-100/200 with 4.07%.

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
United Airlines	PriceFrom $169	Free Cancellation	Rating 7.4 9,749 reviews	Search United Airlines flights
Delta	PriceFrom $170	Free Cancellation	Rating 7.9 8,438 reviews	Search Delta flights
JetBlue	PriceFrom $242	Free Cancellation	Rating 7.2 2,983 reviews	Search JetBlue flights
American Airlines	PriceFrom $253	Free Cancellation	Rating 7.1 11,631 reviews	Search American Airlines flights
Southwest	PriceFrom $300	Free Cancellation	Rating 7.9 4,270 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.

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Popular cities in Colorado

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Flights to Las Vegasfrom $56

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Flights to Bostonfrom $70

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Flights to Fort Lauderdalefrom $57

Flights to Dallasfrom $104

Cheap flights from Maine to Colorado from $99

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 6/3. 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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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 time of 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

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

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

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