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Cheap flights from Portland, Maine to Denver from $251

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Denver departing on 10/31. 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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Find the cheapest flights from Portland, Maine to Denver

Cheap round-trip flights

United Airlines Logo
3:20 pm - 9:59 pmPWM-COS
8h 39m1 stop
United Airlines Logo
10:34 am - 11:17 pmCOS-PWM
10h 43m2 stops
$251United Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
6:14 am - 11:15 amPWM-COS
7h 01m1 stop
United Airlines Logo
12:54 pm - 11:59 pmCOS-PWM
9h 05m2 stops
$260United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
United Airlines Logo
6:14 am - 1:11 pmPWM-COS
8h 57m2 stops
United Airlines Logo
12:54 pm - 11:59 pmCOS-PWM
9h 05m2 stops
$265United Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
United Airlines Logo
3:20 pm - 9:07 pmPWM-COS
7h 47m1 stop
United Airlines Logo
6:00 am - 3:48 pmCOS-PWM
7h 48m1 stop
$274United Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
Delta Logo
6:00 am - 12:35 pmPWM-COS
8h 35m1 stop
Delta Logo
1:42 pm - 10:17 pmCOS-PWM
6h 35m1 stop
$277Delta
Find Deal
Sat, Dec 6 - Tue, Dec 9
Delta Logo
11:30 am - 8:30 pmPWM-COS
11h 00m2 stops
Delta Logo
1:16 pm - 10:19 pmCOS-PWM
7h 03m1 stop
$302Delta
Find Deal
Fri, Oct 31 - Mon, Nov 3
American Airlines Logo
5:46 am - 3:45 pmPWM-COS
11h 59m2 stops
American Airlines Logo
5:33 am - 9:37 pmCOS-PWM
14h 04m2 stops
$319American Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
American Airlines Logo
6:29 am - 11:53 amPWM-COS
7h 24m1 stop
American Airlines Logo
5:45 am - 9:35 pmCOS-PWM
13h 50m2 stops
$371American Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 3
Southwest Logo
9:05 am - 6:45 pmPWM-COS
11h 40m2 stops
Southwest Logo
11:50 am - 10:15 pmCOS-PWM
8h 25m2 stops
$467Southwest
Find Deal
Fri, Oct 31 - Mon, Nov 3
Southwest Logo
5:45 am - 11:50 amPWM-COS
8h 05m1 stop
Southwest Logo
11:50 am - 10:15 pmCOS-PWM
8h 25m2 stops
$504Southwest
Find Deal
Mon, Oct 27 - Mon, Nov 3

American Airlines flights from Portland, Maine to Colorado Springs

Our best American Airlines deals on Portland, Maine to Colorado Springs flight tickets
American Airlines
Oct 2
PWM6:20 amPortland
7h 13m
1 stop
COS11:33 amColorado Springs
Oct 6
COS6:02 amColorado Springs
12h 12m
2 stops
PWM8:14 pmPortland
$303
Find similar
American Airlines
Oct 2
PWM6:00 amPortland
9h 43m
2 stops
COS1:43 pmColorado Springs
Oct 6
COS6:02 amColorado Springs
12h 12m
2 stops
PWM8:14 pmPortland
$308
Find similar
American Airlines
Dec 6
PWM5:46 amPortland
11h 59m
2 stops
COS3:45 pmColorado Springs
Dec 9
COS5:33 amColorado Springs
14h 04m
2 stops
PWM9:37 pmPortland
$319
Find similar

United Airlines flights from Portland, Maine to Colorado Springs

Our best United Airlines deals on Portland, Maine to Colorado Springs flight tickets
United Airlines
Oct 31
PWM3:20 pmPortland
8h 39m
1 stop
COS9:59 pmColorado Springs
Nov 4
COS10:34 amColorado Springs
10h 43m
2 stops
PWM11:17 pmPortland
$251
Find similar
United Airlines
Oct 22
PWM6:14 amPortland
7h 01m
1 stop
COS11:15 amColorado Springs
Oct 29
COS12:54 pmColorado Springs
9h 05m
2 stops
PWM11:59 pmPortland
$260
Find similar
United Airlines
Oct 22
PWM6:14 amPortland
8h 57m
2 stops
COS1:11 pmColorado Springs
Oct 29
COS12:54 pmColorado Springs
9h 05m
2 stops
PWM11:59 pmPortland
$265
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Colorado Springs 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, momondo users made 832,500 searches. Data last updated September 24, 2025.
Use the filters below to find and compare flights from Portland, Maine to Colorado Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Fri 10/31

3:20 pm-9:59 pm

1 stop8h 39m

Colorado Springs

Tue 11/4

10:34 am-11:17 pm

2 stops10h 43m

$251

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Wed 10/22

6:14 am-11:15 am

1 stop7h 01m

Colorado Springs

Wed 10/29

12:54 pm-11:59 pm

2 stops9h 05m

$260

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Wed 10/22

6:14 am-1:11 pm

2 stops8h 57m

Colorado Springs

Wed 10/29

12:54 pm-11:59 pm

2 stops9h 05m

$265

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Fri 10/31

3:20 pm-9:07 pm

1 stop7h 47m

Colorado Springs

Tue 11/4

6:00 am-3:48 pm

1 stop7h 48m

$274

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Sat 12/6

6:00 am-12:35 pm

1 stop8h 35m

Colorado Springs

Tue 12/9

1:42 pm-10:17 pm

1 stop6h 35m

$277

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Fri 10/31

11:30 am-8:30 pm

2 stops11h 00m

Colorado Springs

Mon 11/3

1:16 pm-10:19 pm

1 stop7h 03m

$302

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Sat 12/6

5:46 am-3:45 pm

2 stops11h 59m

Colorado Springs

Tue 12/9

5:33 am-9:37 pm

2 stops14h 04m

$319

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Fri 10/31

6:29 am-11:53 am

1 stop7h 24m

Colorado Springs

Mon 11/3

5:45 am-9:35 pm

2 stops13h 50m

$371

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Fri 10/31

9:05 am-6:45 pm

2 stops11h 40m

Colorado Springs

Mon 11/3

11:50 am-10:15 pm

2 stops8h 25m

$467

PortlandColorado Springs

PWM - COS

PWMCOS

Portland

Mon 10/27

5:45 am-11:50 am

1 stop8h 05m

Colorado Springs

Mon 11/3

11:50 am-10:15 pm

2 stops8h 25m

$504

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Portland, Maine to Colorado Springs

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

What is the cheapest month to fly to Colorado Springs?

The month of November is another great option to travel to Colorado Springs, with average flight prices from Portland, Maine averaging around $367.

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

The cheapest day to depart from Portland, Maine to Colorado Springs is on a Friday when prices can be found for as low as $481. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Colorado Springs for around $695.

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

Flying to Colorado Springs from Portland, Maine at noon is the least expensive time of day to depart. momondo users have found prices as low as $367 when looking at flights departing at noon. Flights to Colorado Springs are more costly in the morning, with an average ticket price of $599. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Portland, Maine to Colorado Springs

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Colorado Springs according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Colorado Springs (PWM to COS) flight deals and tips

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

Direct flights

None
There are no direct flights from Portland, Maine to Colorado Springs. There are no popular flight routes from Portland, Maine to Colorado Springs.
Search flight deals

  • How far is Portland to Colorado Springs by plane?

    Colorado Springs is 1811.5 mi away from Portland. A reasonable flight in good conditions will take 6h 35m.

  • When did momondo last update prices for flights from Portland Airport to Colorado Springs Airport?

    Prices for flights from Portland Airport to Colorado Springs Airport are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Colorado Springs Airport?

  • How old do you have to be to fly from Portland Airport to Colorado Springs Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Colorado Springs Airport.

  • What documentation or ID do you need to fly to Colorado Springs Airport?

    The required travel and health documents for your Colorado Springs Airport 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 Colorado Springs Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland, Maine to Colorado Springs?

Best airlines flying from Portland, Maine to Colorado Springs

Compare and see reviews for airlines that fly from Portland, Maine to Colorado Springs with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $320Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
SouthwestPriceFrom $331Free CancellationRating
8.0
4,244 reviews
Search Southwest flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Cañon City

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Colorado Springs?

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 Colorado Springs from Portland.

Can I find flights from Portland to Colorado Springs with flexible booking policies on momondo?

All flight searches from Portland to Colorado Springs on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Colorado Springs?

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 Colorado Springs from Portland.

I’m not ready to book a flight from Portland to Colorado Springs right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Colorado Springs flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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