What airlines fly to Maine?

United Airlines, American Airlines and Southwest 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 51% 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.

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

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

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

As of June 2026, 14 flights take off from Colorado and land in Maine each day. The most common flight departure time for this route is 9:00AM, with 100% of daily flights taking off at noon.

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

The number of flights available between Colorado and Maine is 99 per week as of June 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.

How long is the flight from Colorado to Maine?

If you’re flying from a popular airport in Colorado, such as Denver or Aspen, and flying into Maine, then you can expect flight times to average 3h 55m and 6h 27m, respectively.

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 June 2026, there are 6 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.

$106 Cheap Flights from Colorado to Maine in 2026

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.

12:15 pm - 9:52 pm

COS

BOS

7h 37m

1 stop

6:00 am - 11:18 am

BOS

COS

7h 18m

1 stop

$239United Airlines

Sat, Oct 24 - Wed, Oct 28

1:17 pm - 10:55 pm

DEN

BOS

7h 38m

1 stop

8:10 am - 1:39 pm

BOS

DEN

7h 29m

1 stop

$239American Airlines

Tue, Sep 15 - Thu, Oct 1

7:35 am - 5:30 pm

DEN

BOS

7h 55m

2 stops

9:05 am - 5:05 pm

BOS

DEN

10h 00m

1 stop

$240Southwest

Sat, Aug 22 - Tue, Aug 25

11:59 pm - 11:21 am

DEN

BOS

9h 22m

1 stop

6:00 am - 12:57 pm

BOS

DEN

8h 57m

1 stop

$241JetBlue

Tue, Sep 1 - Sat, Sep 5

11:37 pm - 5:30 am

DEN

BOS

3h 53mnonstop

7:00 am - 9:34 am

BOS

DEN

4h 34mnonstop

$242JetBlue

Fri, Sep 4 - Mon, Sep 7

3:30 pm - 11:25 pm

DEN

BOS

5h 55m

1 stop

5:25 am - 12:55 pm

BOS

DEN

9h 30m

1 stop

$243Southwest

Wed, Jul 29 - Wed, Aug 5

12:50 pm - 9:42 pm

COS

BOS

6h 52m

1 stop

6:00 am - 11:18 am

BOS

COS

7h 18m

1 stop

$247United Airlines

Mon, Nov 9 - Mon, Dec 7

1:40 pm - 11:48 pm

COS

BOS

8h 08m

1 stop

4:20 pm - 9:21 pm

BOS

COS

7h 01m

1 stop

$277Delta

Mon, Oct 26 - Fri, Oct 30

6:16 pm - 6:30 am

COS

BOS

10h 14m

1 stop

1:00 pm - 9:38 pm

BOS

COS

10h 38m

2 stops

$282Delta

Sat, Aug 22 - Tue, Aug 25

10:12 am - 10:00 pm

COS

PWM

9h 48m

2 stops

1:30 pm - 10:53 pm

PWM

COS

11h 23m

2 stops

$291American Airlines

Wed, Aug 5 - Wed, Aug 12

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

United Airlines flights from Colorado to Maine

Our best United Airlines deals on Colorado to Maine flight tickets

United Airlines

Oct 24

COS12:15 pmColorado Springs

7h 37m

1 stop

BOS9:52 pmBoston Logan Intl

Oct 28

BOS6:00 amBoston Logan Intl

7h 18m

1 stop

COS11:18 amColorado Springs

$239

United Airlines

Nov 9

COS12:50 pmColorado Springs

6h 52m

1 stop

BOS9:42 pmBoston Logan Intl

Dec 7

BOS6:00 amBoston Logan Intl

7h 18m

1 stop

COS11:18 amColorado Springs

$247

United Airlines

Oct 27

COS1:50 pmColorado Springs

5h 52m

1 stop

BOS9:42 pmBoston Logan Intl

Oct 30

BOS6:55 pmBoston Logan Intl

7h 04m

1 stop

COS11:59 pmColorado Springs

$249

Southwest flights from Colorado to Maine

Our best Southwest deals on Colorado to Maine flight tickets

Southwest

Aug 22

DEN7:35 amDenver Intl

7h 55m

2 stops

BOS5:30 pmBoston Logan Intl

Aug 25

BOS9:05 amBoston Logan Intl

10h 00m

1 stop

DEN5:05 pmDenver Intl

$240

Southwest

Jul 29

DEN3:30 pmDenver Intl

5h 55m

1 stop

BOS11:25 pmBoston Logan Intl

Aug 5

BOS5:25 amBoston Logan Intl

9h 30m

1 stop

DEN12:55 pmDenver Intl

$243

Southwest

Jul 14

DEN7:40 amDenver Intl

8h 20m

2 stops

BOS6:00 pmBoston Logan Intl

Jul 21

BOS5:50 amBoston Logan Intl

5h 55m

1 stop

DEN9:45 amDenver Intl

$254

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Sat 10/24

12:15 pm-9:52 pm

1 stop7h 37m

Boston Logan Intl

Wed 10/28

6:00 am-11:18 am

1 stop7h 18m

$239

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Tue 9/15

1:17 pm-10:55 pm

1 stop7h 38m

Boston Logan Intl

Thu 10/1

8:10 am-1:39 pm

1 stop7h 29m

$239

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Sat 8/22

7:35 am-5:30 pm

2 stops7h 55m

Boston Logan Intl

Tue 8/25

9:05 am-5:05 pm

1 stop10h 00m

$240

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Tue 9/1

11:59 pm-11:21 am

1 stop9h 22m

Boston Logan Intl

Sat 9/5

6:00 am-12:57 pm

1 stop8h 57m

$241

Quickest round-trip

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 9/4

11:37 pm-5:30 am

Nonstop3h 53m

Boston Logan Intl

Mon 9/7

7:00 am-9:34 am

Nonstop4h 34m

$242

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 7/29

3:30 pm-11:25 pm

1 stop5h 55m

Boston Logan Intl

Wed 8/5

5:25 am-12:55 pm

1 stop9h 30m

$243

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Mon 11/9

12:50 pm-9:42 pm

1 stop6h 52m

Boston Logan Intl

Mon 12/7

6:00 am-11:18 am

1 stop7h 18m

$247

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Mon 10/26

1:40 pm-11:48 pm

1 stop8h 08m

Boston Logan Intl

Fri 10/30

4:20 pm-9:21 pm

1 stop7h 01m

$277

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Sat 8/22

6:16 pm-6:30 am

1 stop10h 14m

Boston Logan Intl

Tue 8/25

1:00 pm-9:38 pm

2 stops10h 38m

$282

Colorado SpringsPortland

COS - PWM

COSPWM

Colorado Springs

Wed 8/5

10:12 am-10:00 pm

2 stops9h 48m

Portland

Wed 8/12

1:30 pm-10:53 pm

2 stops11h 23m

$291

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 July. Flight prices, which tend to average around $158, 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 July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $168.

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

The cheapest day to depart from Colorado to Maine is on a Thursday. Travelers who choose to depart for Maine on a Thursday will often find tickets for as low as $537. Flights from Colorado to Maine on a Sunday will generally be more expensive and average around $707. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Maine is in the afternoon when flights can be purchased for as low as $483. Flights in the morning are often more expensive with an average ticket price of $575.

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 $454 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 $353 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	$363
Fastest flight time	3h 45m
Direct flights	Every day
Airports in Maine	49 airports

The best one-way flight to Maine from Colorado in the past 72 hours is $363. The best round-trip flight deal from Colorado to Maine found on momondo in the last 72 hours is $488.

The fastest flight from Colorado to Maine takes 3h 45m

Direct flights go from Colorado to Maine every day.

There are 49 airports in Maine. From Colorado there are direct flights to Boston Logan Intl (BOS), 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 June 2026, there are 6 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 8, representing 49.38% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 15.43%, Boeing 737-900 at 12.96%, and Boeing 737-800 at 9.26%.

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
American Airlines	PriceFrom $192	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights
JetBlue	PriceFrom $234	Free Cancellation	Rating 7.1 2,979 reviews	Search JetBlue flights
Delta	PriceFrom $246	Free Cancellation	Rating 7.9 8,394 reviews	Search Delta flights
Southwest	PriceFrom $276	Free Cancellation	Rating 7.9 4,240 reviews	Search Southwest flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 9,799 reviews	Search United Airlines 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.

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 7/9

Thu 7/16

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 Maine

Popular cities

Other flights from Colorado

Other flights to Maine

Airlines

Complete your trip

Feeling lucky

Popular cities in Maine

Flights to New Yorkfrom $72

Flights to Los Angelesfrom $49

Flights to Miamifrom $79

Flights to Orlandofrom $64

Flights to Chicagofrom $73

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $58

Flights to Bostonfrom $70

Flights to Atlantafrom $66

Flights to Dallasfrom $82

Flights to Fort Lauderdalefrom $55

Cheap flights from Colorado to Maine from $106

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 7/28. 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

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

United Airlines flights from Colorado to Maine

Our best United Airlines deals on Colorado to Maine flight tickets

Southwest flights from Colorado to Maine

Our best Southwest 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 time of 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 day?

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

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

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

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

Complete your trip to Maine

Explore popular destinations other users love

According to popular flight searches on momondo this year