How does KAYAK find such low prices on flights from Pennsylvania to Denver?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Denver.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Denver?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Pennsylvania to Denver?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Pennsylvania with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Denver?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$107 CHEAP FLIGHTS from Pennsylvania to Denver

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Cheap Flights from Pennsylvania to Denver

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Pennsylvania to Denver

Fri, Nov 13 - Sun, Nov 15

12:10 pm - 8:30 amPHL Philadelphia-DEN Denver Intl

22h 20m1 stop Detroit Metropolitan Wayne County

10:55 pm - 7:21 amDEN Denver Intl-PHL Philadelphia

30h 26m2 stops Los Angeles Atlanta Hartsfield-Jackson

$246Frontier

Tue, Oct 20 - Tue, Nov 3

5:22 pm - 3:54 pmPHL Philadelphia-DEN Denver Intl

24h 32m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

6:31 pm - 7:21 amDEN Denver Intl-PHL Philadelphia

10h 50m1 stop Atlanta Hartsfield-Jackson

$246Frontier

Mon, Oct 19 - Thu, Oct 22

9:24 am - 8:17 amPHL Philadelphia-DEN Denver Intl

24h 53m1 stop Tampa St. Petersburg

7:37 pm - 1:16 amDEN Denver Intl-PHL Philadelphia

3h 39mnonstop

$257Multiple Airlines

Fri, Nov 20 - Tue, Dec 1

8:47 pm - 8:39 amPHL Philadelphia-DEN Denver Intl

13h 52m1 stop Tampa St. Petersburg

8:07 pm - 11:05 pmDEN Denver Intl-PHL Philadelphia

24h 58m1 stop Atlanta Hartsfield-Jackson

$265Multiple Airlines

Tue, Dec 15 - Wed, Jan 13

4:32 pm - 9:58 pmSCE State College University Park-DEN Denver Intl

7h 26m1 stop Charlotte Douglas

3:45 pm - 11:22 pmDEN Denver Intl-SCE State College University Park

5h 37m1 stop Charlotte Douglas

$291American Airlines

Tue, Dec 15 - Wed, Jan 13

4:32 pm - 9:58 pmSCE State College University Park-DEN Denver Intl

7h 26m1 stop Charlotte Douglas

9:08 am - 11:22 pmDEN Denver Intl-SCE State College University Park

12h 14m2 stops Dallas/Fort Worth Charlotte Douglas

$296American Airlines

Sat, Nov 7 - Mon, Nov 9

5:20 am - 7:40 amPHL Philadelphia-DEN Denver Intl

4h 20mnonstop

6:45 pm - 12:10 amDEN Denver Intl-PHL Philadelphia

3h 25mnonstop

$321Southwest

Tue, Jan 26 - Sat, Jan 30

4:40 pm - 7:05 pmPHL Philadelphia-DEN Denver Intl

4h 25mnonstop

4:50 pm - 10:10 pmDEN Denver Intl-PHL Philadelphia

3h 20mnonstop

$321Southwest

Mon, Nov 23 - Thu, Nov 26

7:45 am - 10:05 amPHL Philadelphia-DEN Denver Intl

4h 20mnonstop

2:00 pm - 7:31 pmDEN Denver Intl-PHL Philadelphia

3h 31mnonstop

$321United Airlines

Thu, Dec 3 - Mon, Dec 7

7:41 am - 10:01 amPHL Philadelphia-DEN Denver Intl

4h 20mnonstop

6:10 pm - 11:41 pmDEN Denver Intl-PHL Philadelphia

3h 31mnonstop

$321United Airlines

Recent last minute flight deals from Pennsylvania to Denver

Sun, Oct 4 - Tue, Oct 20

6:00 am - 10:08 pmPHL Philadelphia-DEN Denver Intl

18h 08m1 stop Tampa

7:37 pm - 1:16 amDEN Denver Intl-PHL Philadelphia

3h 39mnonstop

$299Frontier

Sat, Oct 3 - Sat, Oct 10

7:15 am - 3:37 pmPHL Philadelphia-DEN Denver Intl

10h 22m1 stop Orlando

7:37 pm - 1:16 amDEN Denver Intl-PHL Philadelphia

3h 39mnonstop

$329Frontier

Mon, Oct 5 - Fri, Oct 9

6:30 am - 8:24 amABE Allentown-Bethlehem-DEN Denver Intl

3h 54mnonstop

10:14 am - 3:42 pmDEN Denver Intl-ABE Allentown-Bethlehem

3h 28mnonstop

$336Allegiant Air

Mon, Oct 5 - Fri, Oct 9

6:30 am - 8:24 amABE Allentown-Bethlehem-DEN Denver Intl

3h 54mnonstop

10:14 am - 3:42 pmDEN Denver Intl-ABE Allentown-Bethlehem

3h 28mnonstop

$371Allegiant Air

Mon, Oct 5 - Tue, Oct 13

6:30 am - 8:24 amABE Allentown-Bethlehem-DEN Denver Intl

3h 54mnonstop

9:12 pm - 2:16 pmDEN Denver Intl-ABE Allentown-Bethlehem

39h 04m2 stops Houston George Bush Intcntl Fort Lauderdale

$403Multiple Airlines

Sat, Oct 3 - Sat, Oct 10

9:37 am - 2:40 pmMDT Harrisburg-DEN Denver Intl

7h 03m1 stop Charlotte Douglas

11:59 pm - 9:11 amDEN Denver Intl-MDT Harrisburg

7h 12m1 stop Charlotte Douglas

$429American Airlines

Mon, Oct 5 - Wed, Oct 14

6:30 am - 8:24 amABE Allentown-Bethlehem-DEN Denver Intl

3h 54mnonstop

10:40 am - 9:22 amDEN Denver Intl-ABE Allentown-Bethlehem

20h 42m2 stops Dallas/Fort Worth Nashville Intl

$438Multiple Airlines

Tue, Oct 6 - Tue, Nov 24

10:28 am - 4:33 pmAVP Wilkes-Barre Scranton-DEN Denver Intl

8h 05m1 stop Washington, D.C. Dulles Intl

6:00 am - 2:16 pmDEN Denver Intl-AVP Wilkes-Barre Scranton

6h 16m1 stop Washington, D.C. Dulles Intl

$449United Airlines

Sat, Oct 3 - Sat, Oct 10

11:01 am - 4:57 pmMDT Harrisburg-DEN Denver Intl

7h 56m2 stops Philadelphia Chicago O'Hare Intl

2:54 pm - 10:59 pmDEN Denver Intl-MDT Harrisburg

6h 05m1 stop Philadelphia

$458American Airlines

Wed, Oct 7 - Mon, Nov 30

10:05 am - 12:10 pmPHL Philadelphia-DEN Denver Intl

4h 05mnonstop

6:08 pm - 11:39 pmDEN Denver Intl-PHL Philadelphia

3h 31mnonstop

$485United Airlines

Useful Info

Low season	April
High season	December
Cheapest flight	$107

Best time to beat the crowds with an average 11% drop in price.

Most popular time to fly and prices are also 5% lower on average.

Flight from Allentown to Denver

How does KAYAK find such low prices on flights from Pennsylvania to Denver?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Denver.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Denver?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Pennsylvania to Denver?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Pennsylvania with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Denver?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Westminster

Lakewood

Dillon

Broomfield

Englewood

Greenwood Village

Lone Tree

Central City

Limon

Brighton

Wheat Ridge

Fort Morgan

Evergreen

Erie

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DEN

$107 Find Cheap Flights from Pennsylvania to Denver - Compare and Save

Cheap Flights from Pennsylvania to Denver

Recent round-trip flight deals from Pennsylvania to Denver

Recent one-way flight deals from Pennsylvania to Denver

Recent last minute flight deals from Pennsylvania to Denver

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High season

Cheapest flight

FAQs for booking flights from Pennsylvania to Denver

Traveling to a place near Denver?

More options for your flight to Denver

Complete your trip to Denver with a hotel stay or car rental

Information on the airport you'll fly into in Denver

Cabin class types available on flights to Pennsylvania

Find direct flights for Denver

Flights from domestic origins to Denver

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Find deals for your return flight