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$64+ Cheap flights from Pennsylvania to Denver (DEN)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
Dec 15 — Dec 221
Mon 12/15
Mon 12/22
1 adult, Economy
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Cheap flight deals from Pennsylvania to Denver

Keep the following information in mind while searching for Pennsylvania to Denver flight deals. Data was last updated November 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$128
(Cheapflightsfares)

One-way from

$64
(Super.com)

Popular in

December

Cheapest in

August

Average price

$334

Good round-trip deal

$228 or less

Good one-way deal

$106 or less
Provider with most accurate pricing for Philadelphia-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Denver Intl flights.
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From Pennsylvania to Denver Intl
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One-way flight from Pennsylvania to Denver Intl
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Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 Pennsylvania to Denver Intl.
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Price to beat on a one-way flight from Pennsylvania to Denver Intl.
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Find flight deals from Pennsylvania to Denver

Cheapest flights from Pennsylvania to Denver
Explore the most affordable flight options available from Pennsylvania to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/13. 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.
Thu 12/48:00 amDCA - DEN
Nonstop4h 13mFrontier
Tue 12/97:40 amDEN - DCA
Nonstop3h 26mFrontier
Deal found 11/13$128
This CheapOair deal was found by Cheapflights users on 11/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:21 amIAD - DEN
1 stop25h 49mFrontier
Thu 12/1111:00 pmDEN - IAD
1 stop7h 31mFrontier
Deal found 11/13$130
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/55:45 amIAD - DEN
1 stop29h 17mFrontier
Fri 12/121:42 pmDEN - IAD
1 stop7h 23mFrontier
Deal found 11/12$133
This CheapOair deal was found by Cheapflights users on 11/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:21 amIAD - DEN
1 stop25h 49mFrontier
Sun 12/711:00 pmDEN - IAD
1 stop7h 31mFrontier
Deal found 11/13$134
This Super.com deal was found by Cheapflights users on 11/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:00 amDCA - DEN
Nonstop4h 13mFrontier
Sun 12/77:40 amDEN - DCA
Nonstop3h 26mFrontier
Deal found 11/13$135
This Super.com deal was found by Cheapflights users on 11/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:26 pmIAD - DEN
1 stop9h 15mFrontier
Wed 12/311:00 pmDEN - IAD
1 stop7h 26mFrontier
Deal found 11/13$136
This Frontier deal was found by Cheapflights users on 11/14. 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 12/310:55 pmLGA - DEN
Nonstop4h 28mFrontier
Tue 12/96:00 amDEN - LGA
1 stop11h 11mFrontier
Deal found 11/14$136
This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:59 amJFK - DEN
1 stop22h 59mFrontier
Mon 12/1511:59 pmDEN - JFK
1 stop8h 01mFrontier
Deal found 11/13$136
This CheapOair deal was found by Cheapflights users on 11/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/154:00 pmIAD - DEN
1 stop18h 43mFrontier
Mon 12/2211:59 pmDEN - IAD
1 stop19h 04mFrontier
Deal found 11/13$137
This Kiwi.com deal was found by Cheapflights users on 11/15. 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 12/510:55 pmLGA - DEN
Nonstop4h 28mFrontier
Sun 12/711:59 pmDEN - LGA
2 stops17h 16mFrontier
Deal found 11/15$137
This CheapOair deal was found by Cheapflights users on 11/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:59 amJFK - DEN
1 stop22h 59mFrontier
Thu 12/1811:59 pmDEN - JFK
1 stop10h 30mFrontier
Deal found 11/13$137
This CheapOair deal was found by Cheapflights users on 11/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:00 pmIAD - DEN
1 stop18h 43mFrontier
Wed 12/1011:00 pmDEN - IAD
1 stop7h 26mFrontier
Deal found 11/14$138

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Denver 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 15, 2025.
Use the filters below to find and compare flights from Pennsylvania to Denver that are best for you.

Fly from

Pennsylvania

Fly to

Denver

Route

Depart

Return

Price

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Tue 12/9

3:20 pm-5:54 pm

Nonstop4h 34m

Denver Intl

Sun 12/14

5:45 pm-11:30 pm

Nonstop3h 45m

$167

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Thu 1/8

7:30 am-10:25 am

Nonstop4h 55m

Denver Intl

Tue 1/13

7:10 am-1:04 pm

Nonstop3h 54m

$202

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Mon 1/12

11:40 am-10:59 pm

1 stop13h 19m

Denver Intl

Thu 1/22

9:41 am-10:32 am

1 stop22h 51m

$207

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Fri 1/16

8:00 am-10:45 am

Nonstop4h 45m

Denver Intl

Sat 1/24

11:35 am-5:21 pm

Nonstop3h 46m

$207

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Sun 2/1

8:00 am-10:57 am

Nonstop4h 57m

Denver Intl

Sat 2/7

6:41 am-12:30 pm

Nonstop3h 49m

$207

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Mon 2/2

10:00 am-12:38 pm

Nonstop4h 38m

Denver Intl

Fri 2/6

9:59 am-3:46 pm

Nonstop3h 47m

$207

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sun 2/1

7:29 pm-12:30 am

1 stop7h 01m

Denver Intl

Sat 2/7

2:10 pm-7:54 pm

Nonstop3h 44m

$212

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Wed 12/3

8:23 am-11:05 am

Nonstop4h 42m

Denver Intl

Thu 12/4

11:50 am-5:29 pm

Nonstop3h 39m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 1/31

7:00 am-2:02 pm

1 stop9h 02m

Denver Intl

Fri 2/6

12:30 am-9:16 am

1 stop6h 46m

$217

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Wed 1/21

6:05 am-10:10 am

1 stop6h 05m

Denver Intl

Fri 1/23

12:30 am-9:12 am

1 stop6h 42m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

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

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

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

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Denver (average of $82). Flying from Pennsylvania to Denver in December is currently the most expensive (average of $141). 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 PA to DEN?

Find hourly flight availability from Pennsylvania to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 15, 2025.

One of the essential ways to save on airfare from Pennsylvania to Denver is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 10% on airfare.

What is the cheapest day to fly from Pennsylvania to Denver?

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Denver. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Pennsylvania to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Pennsylvania to Denver

Explore weekly flight availability from Pennsylvania to Denver. 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 November 15, 2025.

The most flights from USPA to DEN are scheduled on a Friday (16 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

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

  • What airport do you fly into for flights to Denver from Pennsylvania?

    If you book a flight to Denver from Pennsylvania, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.

  • How popular is this Pennsylvania to Denver flight route?

    Within the past month, 124 users have taken a look at flights from Pennsylvania to Denver Intl.

  • How long is the flight from Pennsylvania to Denver?

    A quick flight from Pennsylvania to Denver can take about 4h 34m. United Airlines provides one of the quickest options available for as low as $167. The distance between Pennsylvania and Denver is about 1614 mi. All flights are typically nonstop.

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

    $88 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $89 and $89, respectively.

  • What are the most popular routes from Pennsylvania to Denver?

    Most travelers choose New York John F Kennedy Intl - Denver Intl, New York LaGuardia - Denver Intl or Newark - Denver Intl when deciding on the best route from Pennsylvania to Denver.

  • What are the most reliable airlines from Pennsylvania to Denver?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Pennsylvania to Denver on time: United Airlines (93%), Air Canada (91%), Frontier (83%).

  • What are the cheapest flights from Pennsylvania to Denver?

    Looking for the cheapest flight from Pennsylvania to Denver? While on average our users pay $746, our data indicates the cheapest price to be $81. The most popular route (New York John F Kennedy Intl - Denver Intl), is priced around $107.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Denver (average of $82). Flying from Pennsylvania to Denver in December is currently the most expensive (average of $141). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Wheat Ridge
Central City
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pennsylvania to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Pennsylvania to Denver

Discover the top 8 airlines that operate flights from Pennsylvania to Denver. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$227FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$106Average$207FlexibilityNo cancel feeOn-time88%
JetBlueCheapest$130Average$330FlexibilityNo cancel feeOn-time62%
DeltaCheapest$134Average$375FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$177Average$275FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$184Average$390FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$191Average$446FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$197Average$386FlexibilityNo cancel feeOn-time63%

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