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Maine

$94+ Cheap flights from Colorado to Maine

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Cheap flight deals from Colorado to Maine

Keep the following information in mind while searching for Colorado to Maine flight deals. Data was last updated November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$94
(American Airlines)

Popular in

February

Cheapest in

November

Average price

$374

Good round-trip deal

$294 or less

Good one-way deal

$358 or less
Provider with most accurate pricing for Denver Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Portland flights.
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From Colorado to Maine
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One-way flight from Colorado to Maine
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Highest demand for flights based on searches. 7% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Colorado to Maine.
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Price to beat on a one-way flight from Colorado to Maine.
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Find flight deals from Colorado to Maine

Cheapest flights from Colorado to Maine
Explore the most affordable flight options available from Colorado to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:42 pmDEN - BOS
2 stops15h 51mFrontier
Mon 12/158:28 amBOS - DEN
1 stop7h 18mFrontier
Deal found 11/17$163
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/712:59 amDEN - BOS
1 stop7h 23mFrontier
Fri 12/128:28 amBOS - DEN
1 stop7h 18mFrontier
Deal found 11/19$165
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:59 pmDEN - BOS
1 stop17h 07mMultiple Airlines
Sun 12/1411:28 amBOS - DEN
2 stops32h 40mMultiple Airlines
Deal found 11/18$166
This Southwest deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:00 pmDEN - BOS
Nonstop3h 45mSouthwest
Wed 12/106:45 amBOS - DEN
Nonstop4h 40mSouthwest
Deal found 11/18$167
This JetBlue deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:59 pmDEN - BOS
Nonstop3h 45mJetBlue
Wed 12/109:49 amBOS - DEN
Nonstop4h 46mJetBlue
Deal found 11/18$168
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:00 pmDEN - BOS
2 stops33h 22mFrontier
Fri 12/58:28 amBOS - DEN
1 stop7h 18mFrontier
Deal found 11/18$169
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:59 amDEN - BOS
1 stop17h 50mMultiple Airlines
Fri 12/58:28 amBOS - DEN
1 stop7h 18mMultiple Airlines
Deal found 11/18$170
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amDEN - BOS
2 stops26h 22mFrontier
Mon 12/88:28 amBOS - DEN
1 stop7h 18mFrontier
Deal found 11/18$171
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:30 amDEN - BOS
2 stops25h 52mFrontier
Fri 12/58:28 amBOS - DEN
1 stop7h 18mFrontier
Deal found 11/18$173
This Kiwi.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amDEN - BOS
1 stop23h 33mFrontier
Sun 12/1411:28 amBOS - DEN
2 stops32h 40mFrontier
Deal found 11/19$174
This American Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/610:37 amCOS - BOS
1 stop8h 11mAmerican Airlines
Sat 12/136:00 amBOS - COS
1 stop8h 08mAmerican Airlines
Deal found 11/17$187
This American Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:36 pmCOS - BOS
1 stop5h 46mAmerican Airlines
Thu 12/45:30 amBOS - COS
1 stop8h 18mAmerican Airlines
Deal found 11/18$222

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Maine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 19, 2025.
Use the filters below to find and compare flights from Colorado to Maine that are best for you.

Fly from

Colorado

Fly to

Maine

Route

Depart

Return

Price

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 12/4

5:00 pm-10:45 pm

Nonstop3h 45m

Boston Logan Intl

Wed 12/10

5:45 am-2:30 pm

2 stops10h 45m

$182

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 12/3

8:00 am-4:45 pm

2 stops6h 45m

Boston Logan Intl

Thu 12/4

6:45 am-9:25 am

Nonstop4h 40m

$182

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Sat 12/6

10:37 am-8:48 pm

1 stop8h 11m

Boston Logan Intl

Sat 12/13

6:00 am-12:08 pm

1 stop8h 08m

$187

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 1/16

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

Tue 1/20

7:20 am-10:24 am

Nonstop5h 04m

$187

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 1/14

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

Sun 1/18

7:20 am-10:24 am

Nonstop5h 04m

$187

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 12/5

11:55 pm-8:05 am

1 stop6h 10m

Boston Logan Intl

Tue 12/9

5:30 am-11:15 am

2 stops7h 45m

$192

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 12/11

8:05 am-4:45 pm

2 stops6h 40m

Boston Logan Intl

Fri 12/12

6:55 pm-11:15 pm

1 stop6h 20m

$192

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 1/22

1:40 pm-7:33 pm

Nonstop3h 53m

Boston Logan Intl

Mon 1/26

9:59 am-12:45 pm

Nonstop4h 46m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 1/15

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

Mon 1/19

7:20 am-10:24 am

Nonstop5h 04m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 2/6

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

Sun 2/8

7:20 am-10:24 am

Nonstop5h 04m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to Maine

Have a flexible travel schedule? Discover the best time to fly to Maine from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Maine

What is the cheapest month to book a flight from Colorado to Maine?

Currently, June is the cheapest month in which you can book a flight from Colorado to Maine (average of $165). Flying from Colorado to Maine in December is currently the most expensive (average of $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to ME?

Find hourly flight availability from Colorado to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 19, 2025.

It’s typically best to fly out from Colorado to Maine at noon. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Colorado to Maine?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Maine. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Colorado to Maine flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Colorado to Maine?

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maine. Reviews last updated November 19, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Colorado to Maine by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,004 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,023 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,046 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,902 reviews
Southwest
8.0
Very good
4,249 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Colorado to Maine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colorado to Maine?

    Southwest, American Airlines, and Delta can get you from Colorado to Maine in just under 3h 45m. Your travel time can differ by up to 4h 26m. The distance from Colorado to Maine is about 1748 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Colorado to Maine one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $94. Southwest flights start at $94 while deals on Frontier start at $95 one-way.

  • Can I find deals for flights from Colorado to Maine that include hotel bookings?

    Yes. In addition to deals on Colorado to Maine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Maine?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Maine.

  • Can I find deals for business class flights from Colorado to Maine?

    Yes. Cheapflights offers flight deals from Colorado to Maine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Maine?

    Currently, June is the cheapest month in which you can book a flight from Colorado to Maine (average of $165). Flying from Colorado to Maine in December is currently the most expensive (average of $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Colorado to Maine

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Colorado to Maine

Discover the top 6 airlines that operate flights from Colorado to Maine. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$232FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$192Average$490FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$249Average$392FlexibilityNo cancel feeOn-time62%
DeltaCheapest$249Average$330FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$274Average$435FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$288Average$610FlexibilityNo cancel feeOn-time69%

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