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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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$130
(Cheapflightsfares)

One-way from

$64
(Priceline)

Popular in

December

Cheapest in

August

Average price

$290

Good round-trip deal

$153 or less

Good one-way deal

$75 or less
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. 6% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 17, 2025.

This Frontier deal was found by Cheapflights users on 9/16. 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.
vie. 10/1010:55 pmLGA - DEN
1 stop12h 10mFrontier
sáb. 10/184:08 pmDEN - LGA
Nonstop3h 52mFrontier
Deal found 9/16$130
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/241:00 pmJFK - DEN
Nonstop4h 24mFrontier
mié. 10/299:09 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 9/15$130
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/2410:59 pmLGA - DEN
1 stop11h 31mFrontier
jue. 9/254:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 9/15$131
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/221:00 pmJFK - DEN
Nonstop4h 24mFrontier
lun. 10/276:10 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 9/15$131
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/54:00 pmJFK - DEN
Nonstop4h 26mFrontier
lun. 11/109:09 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 9/17$132
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
mié. 10/110:56 pmLGA - DEN
Nonstop4h 08mFrontier
jue. 10/24:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 9/17$133
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
mié. 10/294:00 pmJFK - DEN
Nonstop4h 26mFrontier
lun. 11/39:09 amDEN - JFK
Nonstop3h 51mFrontier
Deal found 9/17$133
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2110:55 pmLGA - DEN
Nonstop4h 13mFrontier
jue. 10/234:08 pmDEN - LGA
Nonstop3h 52mFrontier
Deal found 9/17$134
This Frontier deal was found by Cheapflights users on 9/14. 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.
vie. 10/241:00 pmJFK - DEN
Nonstop4h 24mFrontier
vie. 10/2412:59 amDEN - JFK
1 stop9h 00mFrontier
Deal found 9/14$134
This Mytrip deal was found by Cheapflights users on 9/17. 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.
sáb. 10/410:56 pmLGA - DEN
Nonstop4h 08mFrontier
sáb. 10/184:08 pmDEN - LGA
Nonstop3h 52mFrontier
Deal found 9/17$135
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2710:56 pmLGA - DEN
Nonstop4h 08mFrontier
sáb. 10/44:14 pmDEN - LGA
Nonstop3h 57mFrontier
Deal found 9/15$136
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
mar. 11/1110:55 pmLGA - DEN
Nonstop4h 13mFrontier
jue. 11/134:08 pmDEN - LGA
Nonstop3h 52mFrontier
Deal found 9/16$139

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 septiembre 17, 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

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

mar. 11/11

5:45 pm-7:45 pm

Nonstop4h 00m

Denver Intl

mié. 11/12

10:30 am-3:45 pm

Nonstop3h 15m

$177

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

mié. 11/5

1:46 pm-10:22 pm

2 stops10h 36m

Denver Intl

sáb. 11/8

10:23 am-10:53 pm

2 stops10h 30m

$189

ScrantonDenver

AVP - DEN

AVPDEN

Wilkes-Barre Scranton

sáb. 12/13

5:26 pm-11:19 pm

1 stop7h 53m

Denver Intl

mar. 12/16

11:27 am-9:10 pm

1 stop7h 43m

$189

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

jue. 10/2

7:30 am-9:25 am

Nonstop3h 55m

Denver Intl

dom. 10/5

10:15 am-3:42 pm

Nonstop3h 27m

$196

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

lun. 11/10

5:05 am-7:00 am

Nonstop3h 55m

Denver Intl

mar. 11/11

5:00 pm-10:10 pm

Nonstop3h 10m

$197

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

vie. 10/24

6:50 pm-9:11 pm

Nonstop4h 21m

Denver Intl

sáb. 11/1

5:45 pm-11:30 pm

Nonstop3h 45m

$207

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

mar. 10/28

2:29 pm-4:47 pm

Nonstop4h 18m

Denver Intl

mié. 11/5

11:25 am-5:04 pm

Nonstop3h 39m

$207

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

lun. 9/29

10:57 am-11:13 pm

1 stop14h 16m

Denver Intl

jue. 10/2

12:04 am-10:12 am

1 stop8h 08m

$213

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

sáb. 12/6

5:14 pm-11:19 pm

1 stop8h 05m

Denver Intl

sáb. 12/13

6:45 am-4:44 pm

1 stop7h 59m

$214

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

jue. 11/13

8:25 am-11:05 am

Nonstop4h 40m

Denver Intl

mar. 11/18

11:50 am-5:29 pm

Nonstop3h 39m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, October is the cheapest month in which you can book a flight from Pennsylvania to Denver (average of $197). Flying from Pennsylvania to Denver in March is currently the most expensive (average of $278). 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 septiembre 17, 2025.

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

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 septiembre 17, 2025.

The most flights from USPA to DEN are scheduled on a Monday (15 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 Pennsylvania to Denver?

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, 127 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 3h 55m. Southwest provides one of the quickest options available for as low as $196. The distance between Pennsylvania and Denver is about 1534 mi. This flight may include one or multiple stops.

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

    $75 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Frontier and Southwest, with prices starting from $88 and $89, respectively.

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

    Most travelers choose New York John F Kennedy Intl - Denver Intl, Newark - Denver Intl or New York LaGuardia - 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: Aer Lingus (100%), Air Canada (86%), Qatar Airways (85%).

  • What are the cheapest flights from Pennsylvania to Denver?

    Looking for the cheapest flight from Pennsylvania to Denver? While on average our users pay $686, our data indicates the cheapest price to be $85. The most popular route (New York John F Kennedy Intl - Denver Intl), is priced around $145.

  • 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, October is the cheapest month in which you can book a flight from Pennsylvania to Denver (average of $197). Flying from Pennsylvania to Denver in March is currently the most expensive (average of $278). 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
Golden
Winter Park
Lakewood
Broomfield
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$216FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$106Average$208FlexibilityNo cancel feeOn-time88%
JetBlueCheapest$130Average$340FlexibilityNo cancel feeOn-time62%
DeltaCheapest$134Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$168Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$193Average$383FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$195Average$446FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$251Average$280FlexibilityNo cancel feeOn-time83%

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