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Pennsylvania

$70+ Cheap flights from Colorado to Pennsylvania

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PHL
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Colorado to Pennsylvania

Keep the following information in mind while searching for Colorado to Pennsylvania flight deals. Data was last updated July 31, 2025.

Round-trip from

$144
(FlightHub)

One-way from

$98
(Frontier)

Popular in

December

Cheapest in

September

Average price

$282

Good round-trip deal

$174 or less

Good one-way deal

$139 or less
From Colorado to Pennsylvania
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One-way flight from Colorado to Pennsylvania
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Highest demand for flights based on searches. 9% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Colorado to Pennsylvania.
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Price to beat on a one-way flight from Colorado to Pennsylvania.
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Find flight deals from Colorado to Pennsylvania

Cheapest flights from Colorado to Pennsylvania
Explore the most affordable flight options available from Colorado to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:14 pmDEN - LGA
Nonstop3h 57mFrontier
Fri 9/1210:56 pmLGA - DEN
Nonstop4h 08mFrontier
Deal found 7/29$144
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:38 amDEN - DCA
Nonstop3h 26mFrontier
Wed 8/271:00 pmDCA - DEN
Nonstop3h 59mFrontier
Deal found 7/29$162
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/218:01 amDEN - IAD
Nonstop3h 27mUnited Airlines
Tue 10/214:00 pmIAD - DEN
Nonstop3h 53mUnited Airlines
Deal found 7/31$172
This Southwest deal was found by Cheapflights users on 7/31. 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 8/305:30 pmDEN - IAD
Nonstop3h 20mSouthwest
Sat 9/65:05 pmIAD - DEN
Nonstop3h 50mSouthwest
Deal found 7/31$177
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:10 amDEN - JFK
Nonstop3h 51mFrontier
Mon 11/171:00 pmJFK - DEN
Nonstop4h 26mFrontier
Deal found 7/30$181
This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:26 amDEN - PIT
Nonstop3h 07mFrontier
Mon 11/105:28 pmPIT - DEN
Nonstop3h 30mFrontier
Deal found 7/31$184
This Frontier deal was found by Cheapflights users on 7/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:15 pmDEN - PHL
Nonstop3h 34mFrontier
Mon 10/276:19 amPHL - DEN
Nonstop4h 16mFrontier
Deal found 7/30$194
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/2011:59 pmDEN - IAD
1 stop6h 44mAmerican Airlines
Sat 9/275:40 pmIAD - DEN
1 stop6h 29mAmerican Airlines
Deal found 7/30$195
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:45 pmDEN - IAD
1 stop6h 49mFrontier
Sat 8/238:00 amIAD - DEN
1 stop7h 57mFrontier
Deal found 7/29$196
This American Airlines deal was found by Cheapflights users on 7/31. 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 8/308:34 amDEN - DCA
1 stop8h 20mAmerican Airlines
Sat 9/63:28 pmDCA - DEN
1 stop5h 57mAmerican Airlines
Deal found 7/31$196
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:05 amDEN - JFK
Nonstop3h 52mDelta
Wed 10/223:50 pmJFK - DEN
Nonstop4h 29mDelta
Deal found 7/31$197
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:25 amDEN - LGA
Nonstop3h 47mDelta
Sat 9/137:25 amLGA - DEN
Nonstop4h 15mDelta
Deal found 7/31$197

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Pennsylvania 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 July 31, 2025.
Use the filters below to find and compare flights from Colorado to Pennsylvania that are best for you.

Fly from

Colorado

Fly to

Pennsylvania

Route

Depart

Return

Price

DenverNew York

DEN - LGA

DENLGA

Denver Intl

Sat 9/6

4:14 pm-10:11 pm

Nonstop3h 57m

New York LaGuardia

Fri 9/12

10:56 pm-1:04 am

Nonstop4h 08m

$144

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Tue 8/12

6:38 am-12:04 pm

Nonstop3h 26m

Washington, D.C. Reagan-National

Wed 8/27

1:00 pm-2:59 pm

Nonstop3h 59m

$162

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 10/21

8:01 am-1:28 pm

Nonstop3h 27m

Washington, D.C. Dulles Intl

Tue 10/21

4:00 pm-5:53 pm

Nonstop3h 53m

$172

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 8/30

5:30 pm-10:50 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Sat 9/6

5:05 pm-6:55 pm

Nonstop3h 50m

$177

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Wed 11/12

6:10 am-12:01 pm

Nonstop3h 51m

New York John F Kennedy Intl

Mon 11/17

1:00 pm-3:26 pm

Nonstop4h 26m

$181

DenverPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Thu 10/23

11:15 pm-4:49 am

Nonstop3h 34m

Philadelphia

Mon 10/27

6:19 am-8:35 am

Nonstop4h 16m

$194

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Sat 9/20

11:59 pm-8:43 am

1 stop6h 44m

Washington, D.C. Dulles Intl

Sat 9/27

5:40 pm-10:09 pm

1 stop6h 29m

$195

DenverWashington, D.C.

DEN - DCA

DENDCA

Denver Intl

Sat 8/30

8:34 am-6:54 pm

1 stop8h 20m

Washington, D.C. Reagan-National

Sat 9/6

3:28 pm-7:25 pm

1 stop5h 57m

$196

DenverWashington, D.C.

DEN - IAD

DENIAD

Denver Intl

Tue 8/19

12:45 pm-9:34 pm

1 stop6h 49m

Washington, D.C. Dulles Intl

Sat 8/23

8:00 am-1:57 pm

1 stop7h 57m

$196

DenverNew York

DEN - JFK

DENJFK

Denver Intl

Sat 10/11

7:05 am-12:57 pm

Nonstop3h 52m

New York John F Kennedy Intl

Wed 10/22

3:50 pm-6:19 pm

Nonstop4h 29m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania 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 Pennsylvania

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

Currently, August is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $236). Flying from Colorado to Pennsylvania in March is currently the most expensive (average of $295). 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 PA?

Find hourly flight availability from Colorado to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Pennsylvania as you normally would.

Weekly flight availability from Colorado to Pennsylvania

Explore weekly flight availability from Colorado to Pennsylvania. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from USCO to USPA are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated July 31, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Colorado to Pennsylvania have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • How popular is this Colorado to Pennsylvania flight route?

    Within the past month, 55 users have taken a look at flights from Colorado to Pennsylvania.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $98. Users have also found prices from $99 and $99 on Delta and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Pennsylvania 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 Pennsylvania?

    Currently, August is the cheapest month in which you can book a flight from Colorado to Pennsylvania (average of $236). Flying from Colorado to Pennsylvania in March is currently the most expensive (average of $295). 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.

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Alternative routes for Colorado to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Colorado to Pennsylvania

Discover the top 7 airlines that operate flights from Colorado to Pennsylvania. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$237FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$74Average$212FlexibilityNo cancel feeOn-time88%
DeltaCheapest$128Average$399FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$429FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$163Average$537FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$200Average$427FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$220Average$280FlexibilityNo cancel feeOn-time62%

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