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Cheap flights from Denver to Philadelphia from $68

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 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Denver to Philadelphia

Cheap round-trip flights

Frontier Logo
11:30 pm - 5:09 amDEN-PHL
3h 39mnonstop
Frontier Logo
6:15 am - 8:28 amPHL-DEN
4h 13mnonstop
$154Frontier
Find Deal
Thu, Aug 14 - Mon, Aug 18
Frontier Logo
7:15 pm - 12:57 amDEN-PHL
3h 42mnonstop
Frontier Logo
6:45 am - 8:57 amPHL-DEN
4h 12mnonstop
$156Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
11:30 pm - 5:09 amDEN-PHL
3h 39mnonstop
Frontier Logo
6:15 am - 8:28 amPHL-DEN
4h 13mnonstop
$157Frontier
Find Deal
Wed, Aug 6 - Wed, Aug 13
Frontier Logo
11:30 pm - 5:09 amDEN-PHL
3h 39mnonstop
Frontier Logo
6:25 am - 8:38 amPHL-DEN
4h 13mnonstop
$159Frontier
Find Deal
Sat, Aug 16 - Sat, Aug 23
Frontier Logo
11:30 pm - 5:09 amDEN-PHL
3h 39mnonstop
Frontier Logo
6:15 am - 8:28 amPHL-DEN
4h 13mnonstop
$168Frontier
Find Deal
Fri, Aug 8 - Sat, Aug 16
Frontier Logo
11:15 pm - 4:54 amDEN-PHL
3h 39mnonstop
Frontier Logo
6:20 am - 1:07 pmPHL-DEN
8h 47m1 stop
$171Frontier
Find Deal
Wed, Aug 27 - Mon, Sep 1
Frontier Logo
11:15 pm - 4:54 amDEN-PHL
3h 39mnonstop
Frontier Logo
6:25 am - 8:38 amPHL-DEN
4h 13mnonstop
$172Frontier
Find Deal
Thu, Aug 21 - Sat, Aug 30
Frontier Logo
11:30 pm - 5:09 amDEN-PHL
3h 39mnonstop
Frontier Logo
6:15 am - 8:28 amPHL-DEN
4h 13mnonstop
$173Frontier
Find Deal
Wed, Aug 6 - Mon, Aug 11
Frontier Logo
6:30 am - 4:48 pmDEN-PHL
8h 18m1 stop
Frontier Logo
6:00 am - 12:57 pmPHL-DEN
8h 57m1 stop
$174Frontier
Find Deal
Fri, Aug 15 - Sun, Aug 17
Southwest Logo
5:00 pm - 10:30 pmDEN-PHL
3h 30mnonstop
Southwest Logo
12:15 pm - 2:10 pmPHL-DEN
3h 55mnonstop
$213Southwest
Find Deal
Wed, Sep 17 - Tue, Sep 23

Frontier flights from Denver to Philadelphia

Our best Frontier deals on Denver to Philadelphia flight tickets
Frontier
Aug 14
DEN11:30 pmDenver Intl
3h 39m
PHL5:09 amPhiladelphia
Aug 18
PHL6:15 amPhiladelphia
4h 13m
DEN8:28 amDenver Intl
$154
Find similar
Frontier
Sep 25
DEN7:15 pmDenver Intl
3h 42m
PHL12:57 amPhiladelphia
Sep 29
PHL6:45 amPhiladelphia
4h 12m
DEN8:57 amDenver Intl
$156
Find similar
Frontier
Aug 6
DEN11:30 pmDenver Intl
3h 39m
PHL5:09 amPhiladelphia
Aug 13
PHL6:15 amPhiladelphia
4h 13m
DEN8:28 amDenver Intl
$157
Find similar

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 $257, 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 $258.

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 $308. 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 $445.

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 $247. 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 $518.

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 $303 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 $260 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.

Can stopping save me money on Denver to Philadelphia flights?

You could potentially save up to 13% on your flight if you consider stops on a Denver to Philadelphia flight.

How have Denver to Philadelphia flight prices changed over time?

As of July 2025, prices for Denver to Philadelphia flights are approximately 17% 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

$68

Fastest flight time

3h 30m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Denver in the past 72 hours is $68. The best round-trip flight deal from Denver to Philadelphia found on momondo in the last 72 hours is $154.
The fastest flight from Denver to Philadelphia takes 3h 30m
Direct flights go from Denver to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
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  • 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 30m 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 $106Free CancellationRating
5.9
3,256 reviews
Search Frontier flights
DeltaPriceFrom $128Free CancellationRating
8.0
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
8,863 reviews
Search United Airlines flights
American AirlinesPriceFrom $187Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $201Free CancellationRating
8.0
4,239 reviews
Search Southwest flights

  • Southwest Flights From Denver to Philadelphia

    Southwest flight deals from Denver to Philadelphia start from $201 round-trip. Over the 15 Southwest flights for this route in a normal week, average airfare is usually $350 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Denver to Philadelphia

    $186 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 8,863 user reviews) flies into Philadelphia from Denver 22 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
Dewey Beach
Newark
Cherry Hill
Dover
North Wildwood
Lewes
Avalon
Stone Harbor
Vineland
Exton
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.

An easier way to manage your Philadelphia trip

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