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

Frontier, Southwest, and Delta are the most popular carriers operating from Colorado to Pennsylvania

What airlines fly to Pennsylvania?

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Pennsylvania from Colorado according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 7 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.

How long is the flight from Colorado to Pennsylvania?

If you’re flying from a popular airport in Colorado, such as Denver or Montrose, and flying into Pennsylvania, then you can expect flight times to average 3h 21m and 5h 21m, respectively.

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

557 flights are operational weekly from Colorado to Pennsylvania as of October 2025. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.

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

As of October 2025, 79 flights take off from Colorado and land in Pennsylvania each day. The most common flight departure time for this route is 11:00AM, with 49% of daily flights taking off at noon.

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

Prices for flights from Colorado to Pennsylvania are updated daily.

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

As of October 2025, there are 6 operators available to choose from for flights from Colorado to Pennsylvania.

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

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 Pennsylvania.

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

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

$54 Cheap Flights from Colorado to Pennsylvania in 2025/26

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Cheap round-trip flights

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4:34 pm - 9:59 pmDEN-DCA

3h 25mnonstop

8:00 am - 10:05 amDCA-DEN

4h 05mnonstop

$125Frontier

Find Deal

Tue, Oct 21 - Wed, Oct 29

6:38 am - 12:04 pmDEN-DCA

3h 26mnonstop

1:00 pm - 3:08 pmDCA-DEN

4h 08mnonstop

$126Frontier

Find Deal

Sun, Nov 16 - Mon, Nov 24

10:20 am - 3:41 pmDEN-IAD

3h 21mnonstop

10:10 pm - 12:15 amIAD-DEN

4h 05mnonstop

$177United Airlines

Find Deal

Sat, Nov 15 - Wed, Nov 19

6:23 am - 1:35 pmDEN-IAD

5h 12m1 stop

5:29 pm - 11:09 pmIAD-DEN

7h 40m1 stop

$191American Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 5

8:00 am - 1:18 pmDEN-IAD

3h 18mnonstop

10:10 pm - 12:15 amIAD-DEN

4h 05mnonstop

$195United Airlines

Find Deal

Wed, Nov 5 - Wed, Nov 5

7:21 am - 2:29 pmDEN-DCA

5h 08m1 stop

7:43 am - 1:55 pmDCA-DEN

8h 12m1 stop

$197American Airlines

Find Deal

Sat, Nov 1 - Tue, Nov 4

5:15 pm - 10:40 pmDEN-PHL

3h 25mnonstop

6:35 am - 8:45 amPHL-DEN

4h 10mnonstop

$198Southwest

Find Deal

Fri, Oct 31 - Mon, Nov 3

6:00 am - 3:15 pmDEN-IAD

7h 15m1 stop

7:40 am - 9:30 amIAD-DEN

3h 50mnonstop

$208Southwest

Find Deal

Sat, Nov 15 - Wed, Nov 19

6:00 am - 2:46 pmDEN-EWR

6h 46m1 stop

5:55 am - 1:46 pmEWR-DEN

9h 51m1 stop

$237Delta

Find Deal

Fri, Oct 31 - Sun, Nov 2

12:55 am - 8:43 amDEN-EWR

5h 48m1 stop

6:00 am - 12:52 pmEWR-DEN

8h 52m1 stop

$247Delta

Find Deal

Fri, Oct 17 - Sat, Oct 25

Frontier flights from Colorado to Pennsylvania

Our best Frontier deals on Colorado to Pennsylvania flight tickets

Frontier

Oct 21

DEN4:34 pmDenver Intl

3h 25m

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

Oct 29

DCA8:00 amWashington, D.C. Reagan-National

4h 05m

DEN10:05 amDenver Intl

$125

Find similar

Frontier

Nov 16

DEN6:38 amDenver Intl

3h 26m

DCA12:04 pmWashington, D.C. Reagan-National

Nov 24

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

4h 08m

DEN3:08 pmDenver Intl

$126

Find similar

Frontier

Nov 17

DEN9:09 amDenver Intl

3h 51m

JFK3:00 pmNew York John F Kennedy Intl

Nov 19

JFK4:00 pmNew York John F Kennedy Intl

4h 26m

DEN6:26 pmDenver Intl

$127

Find similar

Delta flights from Colorado to Pennsylvania

Our best Delta deals on Colorado to Pennsylvania flight tickets

Delta

Oct 15

DEN5:50 pmDenver Intl

3h 44m

LGA11:34 pmNew York LaGuardia

Oct 21

LGA6:29 pmNew York LaGuardia

4h 29m

DEN8:58 pmDenver Intl

$227

Find similar

Delta

Oct 31

DEN6:00 amDenver Intl

6h 46m

1 stop

EWR2:46 pmNewark

Nov 2

EWR5:55 amNewark

9h 51m

1 stop

DEN1:46 pmDenver Intl

$237

Find similar

Delta

Oct 17

DEN12:55 amDenver Intl

5h 48m

1 stop

EWR8:43 amNewark

Oct 25

EWR6:00 amNewark

8h 52m

1 stop

DEN12:52 pmDenver Intl

$247

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 10/21

4:34 pm-9:59 pm

Nonstop3h 25m

Washington, D.C. Reagan-National

Wed 10/29

8:00 am-10:05 am

Nonstop4h 05m

$125

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sun 11/16

6:38 am-12:04 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

Mon 11/24

1:00 pm-3:08 pm

Nonstop4h 08m

$126

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 11/15

10:20 am-3:41 pm

Nonstop3h 21m

Washington, D.C. Dulles Intl

Wed 11/19

10:10 pm-12:15 am

Nonstop4h 05m

$177

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 11/5

6:23 am-1:35 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Wed 11/5

5:29 pm-11:09 pm

1 stop7h 40m

$191

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Wed 11/5

8:00 am-1:18 pm

Nonstop3h 18m

Washington, D.C. Dulles Intl

Wed 11/5

10:10 pm-12:15 am

Nonstop4h 05m

$195

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 11/1

7:21 am-2:29 pm

1 stop5h 08m

Washington, D.C. Reagan-National

Tue 11/4

7:43 am-1:55 pm

1 stop8h 12m

$197

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 10/31

5:15 pm-10:40 pm

Nonstop3h 25m

Philadelphia

Mon 11/3

6:35 am-8:45 am

Nonstop4h 10m

$198

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 11/15

6:00 am-3:15 pm

1 stop7h 15m

Washington, D.C. Dulles Intl

Wed 11/19

7:40 am-9:30 am

Nonstop3h 50m

$208

DenverNewark

DEN - EWR

DENEWR

Denver Intl

Fri 10/31

6:00 am-2:46 pm

1 stop6h 46m

Newark

Sun 11/2

5:55 am-1:46 pm

1 stop9h 51m

$237

DenverNewark

DEN - EWR

DENEWR

Denver Intl

Fri 10/17

12:55 am-8:43 am

1 stop5h 48m

Newark

Sat 10/25

6:00 am-12:52 pm

1 stop8h 52m

$247

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How to get the cheapest flight ticket from Colorado to Pennsylvania

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 Pennsylvania?

The month of August is, on average, the cheapest month to fly to Pennsylvania from Colorado, with most prices found around $272. If you don’t want to visit Pennsylvania in August, then you should wait until February to fly from Colorado, when ticket prices are also cheap, with an average price of $281.

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

The cheapest day to depart on your flight to Pennsylvania is on a Thursday when prices can be found for as low as $315. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $461. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

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

Our most recent data shows that the best time of day to fly to Pennsylvania is in the afternoon. Flights from Colorado to Pennsylvania during this time can be as low as $246. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $516.

What is the cheapest Colorado to Pennsylvania flight route?

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

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

You are more likely to see cheaper flights to Pennsylvania from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Colorado for as low as $271 on momondo.

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

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

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

Cheap Colorado to Pennsylvania flight deals and tips

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

Best Price Found	$83
Fastest flight time	2h 50m
Direct flights	Every day
Airports in Pennsylvania	1 airport

The best one-way flight to Pennsylvania from Colorado in the past 72 hours is $83. The best round-trip flight deal from Colorado to Pennsylvania found on momondo in the last 72 hours is $181.

The fastest flight from Colorado to Pennsylvania takes 2h 50m

Direct flights go from Colorado to Pennsylvania every day.

There is 1 airport near Pennsylvania: Pittsburgh (PIT)

Search flight deals

When did momondo last update prices for flights from Colorado to Pennsylvania?
Prices for flights from Colorado to Pennsylvania are updated daily.
How many operators does momondo search for flights from Colorado to Pennsylvania?
As of October 2025, there are 6 operators available to choose from for flights from Colorado to Pennsylvania.
How old do you have to be to fly from Colorado to Pennsylvania?
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 Pennsylvania.
What documentation or ID do you need to fly to Pennsylvania?
The required travel and health documents for your Pennsylvania 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 Pennsylvania. 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 Pennsylvania?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Colorado to Pennsylvania is Boeing 737-800 (22.23% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (20.02%), Boeing 737-800 Passenger/BBJ2 (winglets) (11.29%), and Airbus A321-100/200 (9.25%).

Best airlines flying from Colorado to Pennsylvania

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $100	Free Cancellation	Rating 5.8 3,154 reviews	Search Frontier flights
Allegiant Air	PriceFrom $110	Free Cancellation	Rating 7.2 699 reviews	Search Allegiant Air flights
JetBlue	PriceFrom $122	Free Cancellation	Rating 7.2 2,912 reviews	Search JetBlue flights
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
American Airlines	PriceFrom $160	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
Southwest	PriceFrom $198	Free Cancellation	Rating 8.0 4,248 reviews	Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Pennsylvania for you.

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

Yes. All flights to Pennsylvania from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Pennsylvania from Colorado.

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

If you are simply researching potential flights to Pennsylvania, momondo offers a useful price alert feature which will track prices for flights to Pennsylvania from Colorado and alert you when they change.

An easier way to manage your Pennsylvania 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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Find better results for your trip to Pennsylvania

Popular cities in Pennsylvania

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Cheap flights from Colorado to Pennsylvania from $54

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 Pennsylvania departing on 11/3. 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 Colorado to Pennsylvania

Cheap round-trip flights

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Cheap last minute flights

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Frontier flights from Colorado to Pennsylvania

Our best Frontier deals on Colorado to Pennsylvania flight tickets

Delta flights from Colorado to Pennsylvania

Our best Delta deals on Colorado to Pennsylvania flight tickets

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

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How to get the cheapest flight ticket from Colorado to Pennsylvania

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 Pennsylvania?

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

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

Our most recent data shows that the best time of day to fly to Pennsylvania is in the afternoon. Flights from Colorado to Pennsylvania during this time can be as low as $246. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $516.

What is the cheapest Colorado to Pennsylvania flight route?

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

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

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

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

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

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

Frontier, Southwest, and Delta are the most popular carriers operating from Colorado to Pennsylvania

What airlines fly to Pennsylvania?

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

As of October 2025, 79 flights take off from Colorado and land in Pennsylvania each day. The most common flight departure time for this route is 11:00AM, with 49% of daily flights taking off at noon.

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

557 flights are operational weekly from Colorado to Pennsylvania as of October 2025. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.

How long is the flight from Colorado to Pennsylvania?

If you’re flying from a popular airport in Colorado, such as Denver or Montrose, and flying into Pennsylvania, then you can expect flight times to average 3h 21m and 5h 21m, respectively.

Cheap Colorado to Pennsylvania flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Pennsylvania

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

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

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

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

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

Best airlines flying from Colorado to Pennsylvania

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

Why use momondo?

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

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

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

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

An easier way to manage your Pennsylvania 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 Pennsylvania

Popular cities in Pennsylvania

Popular flights according to clicks in the last 7 days on momondo