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Maine

$93+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$167
(Southwest)

One-way from

$93
(American Airlines)

Popular in

February

Cheapest in

November

Average price

$378

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. 6% potential increase in price ($32 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 3, 2025.

This Southwest deal was found by Cheapflights users on 11/3. 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.
Sat 12/69:55 amDEN - BOS
Nonstop3h 55mSouthwest
Sat 12/135:55 amBOS - DEN
Nonstop4h 50mSouthwest
Deal found 11/3$167
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/311:00 pmDEN - BOS
2 stops33h 22mMultiple Airlines
Wed 12/1010:56 amBOS - DEN
1 stop11h 17mMultiple Airlines
Deal found 11/3$170
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 12/51:42 pmDEN - BOS
2 stops32h 14mMultiple Airlines
Wed 12/1010:56 amBOS - DEN
1 stop11h 17mMultiple Airlines
Deal found 11/2$172
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/210:50 amDEN - BOS
2 stops45h 32mMultiple Airlines
Tue 12/910:56 amBOS - DEN
1 stop14h 08mMultiple Airlines
Deal found 11/2$173
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/1912:44 amDEN - BOS
2 stops18h 05mMultiple Airlines
Sun 11/238:24 amBOS - DEN
1 stop26h 01mMultiple Airlines
Deal found 11/3$174
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Mon 11/1712:59 amDEN - BOS
2 stops21h 00mMultiple Airlines
Sun 11/238:24 amBOS - DEN
1 stop26h 01mMultiple Airlines
Deal found 11/1$175
This Kiwi.com deal was found by Cheapflights users on 11/2. 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
2 stops13h 51mMultiple Airlines
Mon 12/88:28 amBOS - DEN
1 stop7h 18mMultiple Airlines
Deal found 11/2$176
This Southwest deal was found by Cheapflights users on 11/3. 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.
Wed 12/310:15 amDEN - BOS
Nonstop3h 50mSouthwest
Wed 12/107:45 amBOS - DEN
1 stop6h 35mSouthwest
Deal found 11/3$177
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/1812:59 amDEN - BOS
2 stops21h 00mMultiple Airlines
Sun 11/238:24 amBOS - DEN
1 stop26h 01mMultiple Airlines
Deal found 11/3$178
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 12/138:20 pmDEN - BOS
2 stops36h 02mMultiple Airlines
Wed 1/712:29 pmBOS - DEN
1 stop12h 35mMultiple Airlines
Deal found 11/2$179
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/512:45 pmCOS - BOS
1 stop8h 15mAmerican Airlines
Mon 12/86:00 amBOS - COS
1 stop8h 02mAmerican Airlines
Deal found 11/2$222
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:53 pmCOS - BOS
1 stop5h 57mUnited Airlines
Sat 11/224:15 pmBOS - COS
1 stop7h 32mUnited Airlines
Deal found 11/3$262

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 3, 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

Fri 12/12

12:50 pm-6:40 pm

Nonstop3h 50m

Boston Logan Intl

Sun 12/14

1:30 pm-6:35 pm

1 stop7h 05m

$177

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Tue 1/13

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

Thu 1/15

7:20 am-10:26 am

Nonstop5h 06m

$187

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 1/1

11:59 pm-5:58 am

Nonstop3h 59m

Boston Logan Intl

Thu 1/15

8:55 pm-11:42 pm

Nonstop4h 47m

$204

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Tue 12/30

7:05 pm-12:50 am

Nonstop3h 45m

Boston Logan Intl

Sat 1/3

6:40 pm-9:30 pm

Nonstop4h 50m

$211

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Sun 12/7

11:59 pm-7:39 am

1 stop5h 40m

Boston Logan Intl

Thu 1/8

3:15 pm-6:09 pm

Nonstop4h 54m

$212

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Mon 12/15

11:59 pm-5:44 am

Nonstop3h 45m

Boston Logan Intl

Mon 12/22

2:55 pm-10:59 pm

1 stop10h 04m

$222

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 1/29

9:45 am-5:10 pm

1 stop5h 25m

Boston Logan Intl

Sun 2/1

6:35 am-12:35 pm

2 stops8h 00m

$222

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 2/5

5:30 am-4:05 pm

1 stop8h 35m

Boston Logan Intl

Sun 2/8

5:50 am-2:25 pm

2 stops10h 35m

$222

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 2/4

12:59 am-1:04 am

1 stop22h 05m

Boston Logan Intl

Sun 2/8

6:00 am-9:38 pm

1 stop17h 38m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

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 3, 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.

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 3, 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
4,238 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
8,002 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
8,997 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
11,038 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
2,907 reviews
Southwest
8.0
Very good
4,238 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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, Delta, and JetBlue can get you from Colorado to Maine in just under 3h 50m. Your travel time will be generally consistent. The distance from Colorado to Maine is about 1748 mi. Most flights are nonstop.

  • 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 $93. Delta flights start at $99 while deals on United Airlines start at $99 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 3, 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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