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Cheap flights from Denver to Philadelphia from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Philadelphia departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Frontier Logo
12:59 am - 12:04 pmDEN-PHL
9h 05m1 stop
Frontier Logo
1:26 pm - 8:55 pmPHL-DEN
9h 29m1 stop
$114Frontier
Find Deal
Mon, Aug 18 - Mon, Aug 25
Frontier Logo
12:34 am - 12:08 pmDEN-PHL
9h 34m1 stop
Frontier Logo
1:26 pm - 8:55 pmPHL-DEN
9h 29m1 stop
$117Frontier
Find Deal
Wed, Aug 20 - Mon, Aug 25
Frontier Logo
12:54 am - 11:11 amDEN-PHL
8h 17m1 stop
Frontier Logo
6:00 am - 2:42 pmPHL-DEN
10h 42m1 stop
$119Frontier
Find Deal
Wed, Aug 27 - Mon, Sep 1
Frontier Logo
6:05 am - 4:37 pmDEN-PHL
8h 32m1 stop
Frontier Logo
12:59 pm - 9:19 pmPHL-DEN
10h 20m1 stop
$121Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
12:34 am - 10:20 amDEN-PHL
7h 46m1 stop
Frontier Logo
6:00 am - 12:57 pmPHL-DEN
8h 57m1 stop
$123Frontier
Find Deal
Thu, Aug 7 - Thu, Aug 14
Frontier Logo
6:05 am - 4:37 pmDEN-PHL
8h 32m1 stop
Frontier Logo
11:24 am - 7:58 pmPHL-DEN
10h 34m1 stop
$126Frontier
Find Deal
Thu, Sep 4 - Sun, Sep 7
Frontier Logo
1:11 pm - 1:09 amDEN-PHL
9h 58m1 stop
Frontier Logo
5:23 pm - 11:11 pmPHL-DEN
7h 48m1 stop
$132Frontier
Find Deal
Thu, Aug 21 - Sun, Aug 24
Frontier Logo
12:34 am - 12:08 pmDEN-PHL
9h 34m1 stop
Frontier Logo
5:23 pm - 11:11 pmPHL-DEN
7h 48m1 stop
$135Frontier
Find Deal
Wed, Aug 20 - Sun, Aug 24
Frontier Logo
12:34 am - 10:20 amDEN-PHL
7h 46m1 stop
Frontier Logo
11:49 am - 7:17 pmPHL-DEN
9h 28m1 stop
$136Frontier
Find Deal
Thu, Aug 7 - Mon, Aug 11
Frontier Logo
12:23 am - 12:18 pmDEN-PHL
9h 55m1 stop
Frontier Logo
6:00 am - 12:57 pmPHL-DEN
8h 57m1 stop
$137Frontier
Find Deal
Wed, Jul 30 - Thu, Aug 14

Frontier flights from Denver to Philadelphia

Our best Frontier deals on Denver to Philadelphia flight tickets
Frontier
Aug 18
DEN12:59 amDenver Intl
9h 05m
1 stop
PHL12:04 pmPhiladelphia
Aug 25
PHL1:26 pmPhiladelphia
9h 29m
1 stop
DEN8:55 pmDenver Intl
Frontier
Aug 20
DEN12:34 amDenver Intl
9h 34m
1 stop
PHL12:08 pmPhiladelphia
Aug 25
PHL1:26 pmPhiladelphia
9h 29m
1 stop
DEN8:55 pmDenver Intl
Frontier
Aug 27
DEN12:54 amDenver Intl
8h 17m
1 stop
PHL11:11 amPhiladelphia
Sep 1
PHL6:00 amPhiladelphia
10h 42m
1 stop
DEN2:42 pmDenver Intl

See travel insights to Philadelphia from

How to get the cheapest flight ticket from Denver to Philadelphia

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 Philadelphia?

The cheapest month to fly to Philadelphia from Denver is in September. Flight prices, which tend to average around $254, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Denver averaging around $257.

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

The cheapest day to depart from Denver to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $306. On the other hand, Sunday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $452.

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

According to our data, the cheapest time of day to fly to Philadelphia is in the afternoon. momondo users have found flights departing from Denver to Philadelphia in the afternoon for as low as $248. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $521.

What is the cheapest Denver Intl to Philadelphia flight route?

Fly from Denver Intl to Philadelphia for the best Denver Intl - Philadelphia flight prices

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

You are more likely to see cheaper flights to Philadelphia from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $301 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Denver for as low as $255 on momondo.

What cabin class options are available on Denver Intl to Philadelphia flights?

There are 4 cabin classes available to choose from on Denver Intl to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Denver to Philadelphia flight prices changed over time?

As of July 2025, prices for Denver to Philadelphia flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Philadelphia (DEN to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Philadelphia

Best Price Found

$53

Fastest flight time

3h 34m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Denver in the past 72 hours is $53. The best round-trip flight deal from Denver to Philadelphia found on momondo in the last 72 hours is $114.
The fastest flight from Denver to Philadelphia takes 3h 34m
Direct flights go from Denver to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • How far is Denver Intl to Philadelphia by plane?

    Denver Intl and Philadelphia are 1574.0 mi apart from one another. Typically, this will take 3h 34m by plane in normal conditions.

  • When did momondo last update prices for flights from Denver Intl Airport to Philadelphia Airport?

    Prices for flights from Denver Intl Airport to Philadelphia Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Philadelphia Airport?

  • How old do you have to be to fly from Denver Intl Airport to Philadelphia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The required travel and health documents for your Philadelphia Airport 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 Philadelphia Airport. 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 Denver to Philadelphia?

  • What is the most popular airline from Denver to Philadelphia?


Best airlines flying from Denver to Philadelphia

Compare and see reviews for airlines that fly from Denver to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $101Free CancellationRating
5.9
3,286 reviews
Search Frontier flights
DeltaPriceFrom $128Free CancellationRating
8.0
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $187Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
American AirlinesPriceFrom $187Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $201Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
  • Southwest Flights From Denver to Philadelphia

    Southwest flight deals from Denver to Philadelphia start from $201 round-trip. Over the 12 Southwest flights for this route in a normal week, average airfare is usually $354 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Denver to Philadelphia

    $187 is the best United Airlines flight deal from Denver to Philadelphia found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $436, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,861 user reviews) flies into Philadelphia from Denver 18 times in an average week so prices can vary.


Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Rehoboth Beach
Cape May
Ocean City
Wildwood Crest
King of Prussia
Reading
Newark
Dewey Beach
Dover
Cherry Hill
Lewes
North Wildwood
Avalon
Stone Harbor
Exton
Vineland
Essington
New Castle
Pottstown

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Philadelphia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Denver.

Can I find flights from Denver to Philadelphia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denver to Philadelphia flights to just show those with flexible booking policies.

How can momondo help me find flights from Denver to Philadelphia?

Once you have performed a search for Denver to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Philadelphia from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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1 adult
Tue 7/8
Tue 7/15

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