How long is the flight from Pennsylvania to Colorado?

Flight times from Pennsylvania to Colorado vary, but if you’re flying out of Pittsburgh and flying into Denver (one of the most popular routes), then the duration is 3h 20m on average. Another popular route from Pennsylvania to Colorado is flying from Allentown to Denver, which will take roughly 3h 45m. Keep in mind that layovers or delays could extend your travel time.

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

Frontier and United Airlines are the most popular carriers operating from Pennsylvania to Colorado

What airlines fly to Colorado?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Colorado from Pennsylvania according to our data. American Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 8 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Pennsylvania and Colorado is 81 per day as of August 2025. The most frequent departure time is 8:00AM, with 53% of daily flights leaving at noon.

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

As of August 2025, there are 568 flights per week flying from Pennsylvania to Colorado. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

When did momondo last update prices for flights from Pennsylvania to Colorado?

Prices for flights from Pennsylvania to Colorado refresh daily.

How many operators does momondo search for flights from Pennsylvania to Colorado?

The number of operators available for flights from Pennsylvania to Colorado is 8 as of August 2025.

How old do you have to be to fly from Pennsylvania to Colorado?

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 Pennsylvania 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.

$55 Cheap Flights from Pennsylvania to Colorado in 2025

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Find the cheapest flights from Pennsylvania to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

1:00 pm - 3:00 pmDCA-DEN

4h 00mnonstop

4:30 pm - 9:59 pmDEN-DCA

3h 29mnonstop

$89Frontier

Find Deal

Sat, Sep 27 - Tue, Sep 30

1:00 pm - 3:07 pmDCA-DEN

4h 07mnonstop

11:35 am - 5:01 pmDEN-DCA

3h 26mnonstop

$100Frontier

Find Deal

Sat, Nov 1 - Mon, Nov 3

5:05 pm - 6:55 pmIAD-DEN

3h 50mnonstop

8:20 am - 1:40 pmDEN-IAD

3h 20mnonstop

$177Southwest

Find Deal

Sat, Sep 13 - Tue, Sep 16

5:47 pm - 7:38 pmIAD-DEN

3h 51mnonstop

11:59 pm - 5:22 amDEN-IAD

3h 23mnonstop

$188United Airlines

Find Deal

Mon, Sep 8 - Wed, Sep 10

6:11 am - 11:46 amIAD-DEN

7h 35m1 stop

2:48 pm - 10:51 pmDEN-IAD

6h 03m1 stop

$191American Airlines

Find Deal

Sat, Oct 25 - Sat, Oct 25

10:09 pm - 11:57 pmIAD-DEN

3h 48mnonstop

11:59 pm - 5:22 amDEN-IAD

3h 23mnonstop

$194United Airlines

Find Deal

Tue, Oct 21 - Thu, Oct 23

5:40 pm - 10:09 pmIAD-DEN

6h 29m1 stop

7:20 am - 4:47 pmDEN-IAD

7h 27m1 stop

$195American Airlines

Find Deal

Wed, Sep 24 - Sat, Sep 27

3:50 pm - 6:19 pmJFK-DEN

4h 29mnonstop

7:05 am - 12:57 pmDEN-JFK

3h 52mnonstop

$197Delta

Find Deal

Wed, Oct 8 - Sat, Oct 11

2:29 pm - 4:53 pmLGA-DEN

4h 24mnonstop

11:05 am - 4:54 pmDEN-LGA

3h 49mnonstop

$197Delta

Find Deal

Sat, Aug 30 - Sat, Sep 6

3:50 pm - 9:10 pmIAD-DEN

7h 20m1 stop

5:25 pm - 10:45 pmDEN-IAD

3h 20mnonstop

$198Southwest

Find Deal

Sat, Aug 30 - Sat, Sep 6

Frontier flights from Pennsylvania to Colorado

Our best Frontier deals on Pennsylvania to Colorado flight tickets

Frontier

Sep 27

DCA1:00 pmWashington, D.C. Reagan-National

4h 00m

DEN3:00 pmDenver Intl

Sep 30

DEN4:30 pmDenver Intl

3h 29m

DCA9:59 pmWashington, D.C. Reagan-National

$89

Find similar

Frontier

Nov 1

DCA1:00 pmWashington, D.C. Reagan-National

4h 07m

DEN3:07 pmDenver Intl

Nov 3

DEN11:35 amDenver Intl

3h 26m

DCA5:01 pmWashington, D.C. Reagan-National

$100

Find similar

Frontier

Sep 27

DCA7:00 amWashington, D.C. Reagan-National

3h 58m

DEN8:58 amDenver Intl

Sep 27

DEN4:30 pmDenver Intl

3h 29m

DCA9:59 pmWashington, D.C. Reagan-National

$104

Find similar

United Airlines flights from Pennsylvania to Colorado

Our best United Airlines deals on Pennsylvania to Colorado flight tickets

United Airlines

Sep 8

IAD5:47 pmWashington, D.C. Dulles Intl

3h 51m

DEN7:38 pmDenver Intl

Sep 10

DEN11:59 pmDenver Intl

3h 23m

IAD5:22 amWashington, D.C. Dulles Intl

$188

Find similar

United Airlines

Oct 21

IAD10:09 pmWashington, D.C. Dulles Intl

3h 48m

DEN11:57 pmDenver Intl

Oct 23

DEN11:59 pmDenver Intl

3h 23m

IAD5:22 amWashington, D.C. Dulles Intl

$194

Find similar

United Airlines

Sep 24

EWR6:46 pmNewark

4h 18m

DEN9:04 pmDenver Intl

Sep 30

DEN11:59 pmDenver Intl

3h 41m

EWR5:40 amNewark

$197

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 9/27

1:00 pm-3:00 pm

Nonstop4h 00m

Denver Intl

Tue 9/30

4:30 pm-9:59 pm

Nonstop3h 29m

$89

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 11/1

1:00 pm-3:07 pm

Nonstop4h 07m

Denver Intl

Mon 11/3

11:35 am-5:01 pm

Nonstop3h 26m

$100

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 9/13

5:05 pm-6:55 pm

Nonstop3h 50m

Denver Intl

Tue 9/16

8:20 am-1:40 pm

Nonstop3h 20m

$177

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Mon 9/8

5:47 pm-7:38 pm

Nonstop3h 51m

Denver Intl

Wed 9/10

11:59 pm-5:22 am

Nonstop3h 23m

$188

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 10/25

6:11 am-11:46 am

1 stop7h 35m

Denver Intl

Sat 10/25

2:48 pm-10:51 pm

1 stop6h 03m

$191

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 10/21

10:09 pm-11:57 pm

Nonstop3h 48m

Denver Intl

Thu 10/23

11:59 pm-5:22 am

Nonstop3h 23m

$194

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 9/24

5:40 pm-10:09 pm

1 stop6h 29m

Denver Intl

Sat 9/27

7:20 am-4:47 pm

1 stop7h 27m

$195

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Wed 10/8

3:50 pm-6:19 pm

Nonstop4h 29m

Denver Intl

Sat 10/11

7:05 am-12:57 pm

Nonstop3h 52m

$197

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sat 8/30

2:29 pm-4:53 pm

Nonstop4h 24m

Denver Intl

Sat 9/6

11:05 am-4:54 pm

Nonstop3h 49m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 8/30

3:50 pm-9:10 pm

1 stop7h 20m

Denver Intl

Sat 9/6

5:25 pm-10:45 pm

Nonstop3h 20m

$198

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 Pennsylvania 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 Pennsylvania, with most prices found around $255. The month of October is another great option to travel to Colorado, with average flight prices from Pennsylvania averaging around $265.

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

The cheapest day to depart from Pennsylvania to Colorado is on a Wednesday when prices can be found for as low as $335. On the other hand, Sunday is the most expensive day to depart from Pennsylvania because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $406.

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 evening when flights can be purchased for as low as $253. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $446 per ticket.

What is the cheapest Pennsylvania to Colorado flight route?

Fly from Allentown-Bethlehem to Denver Intl for the best Pennsylvania - Colorado flight prices

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Pennsylvania for as low as $262 on momondo.

What cabin class options are available on Pennsylvania to Colorado flights?

There are 4 cabin classes available to choose from on Pennsylvania 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 Pennsylvania to Colorado flights?

No. A direct flight is the cheapest option for a flight between Pennsylvania to Colorado.

Cheap Pennsylvania to Colorado flight deals and tips

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

Best Price Found	$55
Fastest flight time	3h 20m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Colorado	1 airport

The best one-way flight to Colorado from Pennsylvania in the past 72 hours is $55. The best round-trip flight deal from Pennsylvania to Colorado found on momondo in the last 72 hours is $89.

The fastest flight from Pennsylvania to Colorado takes 3h 20m

Direct flights go from Pennsylvania to Colorado on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and Frontier.

There is 1 airport near Colorado: Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Pennsylvania to Colorado?
Prices for flights from Pennsylvania to Colorado refresh daily.
How many operators does momondo search for flights from Pennsylvania to Colorado?
The number of operators available for flights from Pennsylvania to Colorado is 8 as of August 2025.
How old do you have to be to fly from Pennsylvania to Colorado?
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 Pennsylvania 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 Pennsylvania to Colorado?
Based on momondo bookings for flights between Pennsylvania and Colorado, the leading plane model is Boeing 737-800, making up 16.65% of the total bookings. Other popular models include Boeing 737 MAX 8 with 14.03%, Airbus A320-100/200 with 13.01%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 10.88%.

Best airlines flying from Pennsylvania to Colorado

Compare and see reviews for airlines that fly from Pennsylvania to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $44	Free Cancellation	Rating 5.8 3,241 reviews	Search Frontier flights
Allegiant Air	PriceFrom $106	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Delta	PriceFrom $134	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights
American Airlines	PriceFrom $168	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $191	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $193	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights
JetBlue	PriceFrom $207	Free Cancellation	Rating 7.2 2,915 reviews	Search JetBlue flights
Sun Country Air	PriceFrom $251	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights

Why use momondo?

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

It is quick and easy to find Pennsylvania to Colorado flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Colorado that suits you.

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

Yes. momondo allows you to filter the results for Pennsylvania to Colorado flights to just show those with flexible booking policies.

How can momondo help me find flights from Pennsylvania to Colorado?

Once all potential Pennsylvania to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Colorado from Pennsylvania are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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Cheap flights from Pennsylvania to Colorado from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Colorado departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Find the cheapest flights from Pennsylvania to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Pennsylvania to Colorado

Our best Frontier deals on Pennsylvania to Colorado flight tickets

United Airlines flights from Pennsylvania to Colorado

Our best United Airlines deals on Pennsylvania to Colorado flight tickets

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Use the filters below to find and compare flights from Pennsylvania to Colorado that are best for you.

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How to get the cheapest flight ticket from Pennsylvania 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

What is the cheapest month to fly to Colorado?

The month of September is, on average, the cheapest month to fly to Colorado from Pennsylvania, with most prices found around $255. The month of October is another great option to travel to Colorado, with average flight prices from Pennsylvania averaging around $265.

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?

The cheapest time of day to fly to Colorado is in the evening when flights can be purchased for as low as $253. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $446 per ticket.

What is the cheapest Pennsylvania to Colorado flight route?

Fly from Allentown-Bethlehem to Denver Intl for the best Pennsylvania - Colorado flight prices

How far in advance should I book a flight to Colorado?

What cabin class options are available on Pennsylvania to Colorado flights?

There are 4 cabin classes available to choose from on Pennsylvania 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 Pennsylvania to Colorado flights?

No. A direct flight is the cheapest option for a flight between Pennsylvania to Colorado.

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

Frontier and United Airlines are the most popular carriers operating from Pennsylvania to Colorado

What airlines fly to Colorado?

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

The number of flights available between Pennsylvania and Colorado is 81 per day as of August 2025. The most frequent departure time is 8:00AM, with 53% of daily flights leaving at noon.

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

As of August 2025, there are 568 flights per week flying from Pennsylvania to Colorado. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

How long is the flight from Pennsylvania to Colorado?

Cheap Pennsylvania to Colorado flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

When did momondo last update prices for flights from Pennsylvania to Colorado?

How many operators does momondo search for flights from Pennsylvania to Colorado?

How old do you have to be to fly from Pennsylvania to Colorado?

What documentation or ID do you need to fly to Colorado?

What is the most popular plane model from Pennsylvania to Colorado?

Best airlines flying from Pennsylvania to Colorado

Compare and see reviews for airlines that fly from Pennsylvania to Colorado with momondo

Why use momondo?

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

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

How can momondo help me find flights from Pennsylvania to Colorado?

I’m not ready to book a flight from Pennsylvania to Colorado right now. Can momondo alert me if 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.

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