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Cheap flights from Philadelphia to Denver from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Denver departing on 1/7. 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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Find the cheapest flights from Philadelphia to Denver

Cheap round-trip flights

These are some of the best round-trip flight deals from Philadelphia to Denver that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Philadelphia to Denver.

Cheap last minute flights

Planning a quick getaway from Philadelphia to Denver? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Denver, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Philadelphia to Denver

Find recent round-trip train or bus tickets from Philadelphia to Denver.

All round-trip flight deals to Denver

The cheapest plane tickets to Denver found on KAYAK recently.
6:40 am - 9:15 amPHL-DEN
4h 35mnonstop
7:50 am - 3:57 pmDEN-PHL
6h 07m1 stop
$105Frontier
Find Deal
Tue, Jan 7 - Thu, Jan 9
5:49 pm - 9:10 pmPHL-DEN
29h 21m1 stop
6:00 pm - 6:27 pmDEN-PHL
22h 27m1 stop
$106Frontier
Find Deal
Wed, Feb 5 - Tue, Feb 11
8:30 am - 7:32 pmPHL-DEN
13h 02m1 stop
6:22 pm - 7:21 amDEN-PHL
10h 59m1 stop
$108Frontier
Find Deal
Tue, Feb 25 - Thu, Feb 27
8:10 am - 10:32 amPHL-DEN
4h 22mnonstop
5:50 pm - 11:24 pmDEN-PHL
3h 34mnonstop
$201United Airlines
Find Deal
Wed, Jan 29 - Wed, Jan 29
9:45 am - 12:10 pmPHL-DEN
4h 25mnonstop
5:45 pm - 11:15 pmDEN-PHL
3h 30mnonstop
$202Southwest
Find Deal
Thu, Jan 23 - Mon, Jan 27
9:00 am - 11:16 amPHL-DEN
4h 16mnonstop
7:00 am - 12:44 pmDEN-PHL
3h 44mnonstop
$211American Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 29
7:05 pm - 9:25 pmPHL-DEN
4h 20mnonstop
7:00 am - 12:32 pmDEN-PHL
3h 32mnonstop
$219American Airlines
Find Deal
Tue, Feb 11 - Thu, Feb 13
2:45 pm - 5:05 pmPHL-DEN
4h 20mnonstop
7:25 pm - 12:50 amDEN-PHL
3h 25mnonstop
$220Southwest
Find Deal
Tue, Feb 25 - Fri, Feb 28
5:43 pm - 11:59 pmPHL-DEN
8h 16m1 stop
5:50 pm - 11:21 pmDEN-PHL
3h 31mnonstop
$229United Airlines
Find Deal
Fri, Feb 21 - Tue, Feb 25
2:55 pm - 8:25 pmPHL-DEN
7h 30m1 stop
4:54 pm - 12:49 amDEN-PHL
5h 55m1 stop
$256Delta
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Tue, Jan 7 - Sat, Feb 8
6:40 am - 9:15 amPHL-DEN
4h 35mnonstop
$43Frontier
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Tue, Jan 7
1:44 pm - 7:32 pmPHL-DEN
7h 48m1 stop
$53Frontier
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Mon, Feb 10
3:40 pm - 6:02 pmPHL-DEN
4h 22mnonstop
$101United Airlines
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Tue, Jan 28
12:15 pm - 4:30 pmPHL-DEN
6h 15m1 stop
$110United Airlines
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Wed, Feb 12
4:35 pm - 7:00 pmPHL-DEN
4h 25mnonstop
$119Southwest
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Fri, Feb 14
7:05 pm - 9:25 pmPHL-DEN
4h 20mnonstop
$131American Airlines
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Fri, Feb 7
2:45 pm - 5:05 pmPHL-DEN
4h 20mnonstop
$146Southwest
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Wed, Feb 5
7:05 pm - 9:25 pmPHL-DEN
4h 20mnonstop
$169American Airlines
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Wed, Feb 5
12:25 pm - 5:43 pmPHL-DEN
7h 18m1 stop
$219Delta
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Thu, Jan 16
6:30 pm - 11:20 pmPHL-DEN
6h 50m1 stop
$255Delta
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Fri, Mar 21
9:18 am - 11:34 pmPHL-DEN
16h 16m1 stop
11:45 pm - 5:09 amDEN-PHL
3h 24mnonstop
$265Frontier
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Sat, Dec 21 - Tue, Dec 24
9:18 am - 11:34 pmPHL-DEN
16h 16m1 stop
11:45 pm - 5:09 amDEN-PHL
3h 24mnonstop
$266Frontier
Find Deal
Sat, Dec 21 - Wed, Dec 25
5:05 am - 11:34 pmPHL-DEN
20h 29m1 stop
11:45 pm - 5:09 amDEN-PHL
3h 24mnonstop
$275Frontier
Find Deal
Sun, Dec 22 - Tue, Dec 24
5:05 am - 11:34 pmPHL-DEN
20h 29m1 stop
11:45 pm - 5:09 amDEN-PHL
3h 24mnonstop
$276Frontier
Find Deal
Sun, Dec 22 - Wed, Dec 25
1:47 pm - 11:34 pmPHL-DEN
11h 47m1 stop
11:45 pm - 5:09 amDEN-PHL
3h 24mnonstop
$282Frontier
Find Deal
Sat, Dec 21 - Wed, Dec 25
9:18 am - 11:34 pmPHL-DEN
16h 16m1 stop
8:05 pm - 6:00 amDEN-PHL
7h 55m1 stop
$284Frontier
Find Deal
Sat, Dec 21 - Tue, Dec 24
9:18 am - 11:34 pmPHL-DEN
16h 16m1 stop
7:15 pm - 10:46 amDEN-PHL
13h 31m1 stop
Sat, Dec 21 - Sun, Jan 5
1:47 pm - 11:34 pmPHL-DEN
11h 47m1 stop
11:45 pm - 5:09 amDEN-PHL
3h 24mnonstop
$290Frontier
Find Deal
Sat, Dec 21 - Tue, Dec 31
5:05 am - 11:34 pmPHL-DEN
20h 29m1 stop
8:05 pm - 6:00 amDEN-PHL
7h 55m1 stop
$294Frontier
Find Deal
Sun, Dec 22 - Tue, Dec 24
1:47 pm - 11:34 pmPHL-DEN
11h 47m1 stop
7:15 pm - 10:46 amDEN-PHL
13h 31m1 stop
Sat, Dec 21 - Sun, Jan 5
7:34 pm - 10:09 pmPHL-DEN
4h 35mnonstop
1:10 pm - 6:39 pmDEN-PHL
3h 29mnonstop
$112Frontier
Find Deal
Sat, Feb 15 - Sat, Feb 22
4:34 pm - 7:03 pmPHL-DEN
4h 29mnonstop
6:00 am - 11:39 amDEN-PHL
3h 39mnonstop
$138Frontier
Find Deal
Mon, Feb 24 - Sun, Mar 2
6:40 am - 9:15 amPHL-DEN
4h 35mnonstop
3:19 pm - 8:41 pmDEN-PHL
3h 22mnonstop
$145Frontier
Find Deal
Tue, Jan 7 - Thu, Jan 9
9:53 pm - 12:26 amPHL-DEN
4h 33mnonstop
3:19 pm - 8:48 pmDEN-PHL
3h 29mnonstop
$149Frontier
Find Deal
Thu, Jan 9 - Thu, Jan 16
7:05 pm - 9:25 pmPHL-DEN
4h 20mnonstop
6:37 am - 12:26 pmDEN-PHL
3h 49mnonstop
$201American Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 1
9:45 am - 12:10 pmPHL-DEN
4h 25mnonstop
5:45 pm - 11:15 pmDEN-PHL
3h 30mnonstop
$202Southwest
Find Deal
Thu, Jan 23 - Mon, Jan 27
9:00 am - 11:16 amPHL-DEN
4h 16mnonstop
7:00 am - 12:44 pmDEN-PHL
3h 44mnonstop
$211American Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 29
9:45 am - 12:10 pmPHL-DEN
4h 25mnonstop
5:45 pm - 11:15 pmDEN-PHL
3h 30mnonstop
$212Southwest
Find Deal
Tue, Jan 14 - Tue, Jan 21
3:40 pm - 6:02 pmPHL-DEN
4h 22mnonstop
10:10 am - 3:44 pmDEN-PHL
3h 34mnonstop
$221United Airlines
Find Deal
Thu, Jan 9 - Wed, Jan 15
3:40 pm - 6:02 pmPHL-DEN
4h 22mnonstop
5:50 pm - 11:24 pmDEN-PHL
3h 34mnonstop
$271United Airlines
Find Deal
Sat, Jan 18 - Thu, Jan 23

American Airlines flights from Philadelphia to Denver

Our best American Airlines deals on Philadelphia to Denver flight tickets
American Airlines
Jan 15
PHL9:00 amPhiladelphia
4h 16m
DEN11:16 amDenver Intl
Jan 29
DEN7:00 amDenver Intl
3h 44m
PHL12:44 pmPhiladelphia
American Airlines
Feb 11
PHL7:05 pmPhiladelphia
4h 20m
DEN9:25 pmDenver Intl
Feb 13
DEN7:00 amDenver Intl
3h 32m
PHL12:32 pmPhiladelphia
American Airlines
Jan 24
PHL7:05 pmPhiladelphia
4h 20m
DEN9:25 pmDenver Intl
Jan 28
DEN7:00 amDenver Intl
3h 44m
PHL12:44 pmPhiladelphia

Frontier flights from Philadelphia to Denver

Our best Frontier deals on Philadelphia to Denver flight tickets
Frontier
Jan 7
PHL6:40 amPhiladelphia
4h 35m
DEN9:15 amDenver Intl
Jan 9
DEN7:50 amDenver Intl
6h 07m
1 stop
PHL3:57 pmPhiladelphia
Frontier
Feb 5
PHL5:49 pmPhiladelphia
29h 21m
1 stop
DEN9:10 pmDenver Intl
Feb 11
DEN6:00 pmDenver Intl
22h 27m
1 stop
PHL6:27 pmPhiladelphia
Frontier
Feb 25
PHL8:30 amPhiladelphia
13h 02m
1 stop
DEN7:32 pmDenver Intl
Feb 27
DEN6:22 pmDenver Intl
10h 59m
1 stop
PHL7:21 amPhiladelphia

See travel insights to Denver from

How to get the cheapest flight ticket from Philadelphia to Denver

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 Denver?

The cheapest month to fly to Denver from Philadelphia is in May. Flight prices, which tend to average around $237, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in May, then you should wait until April to fly from Philadelphia, when ticket prices are also cheap, with an average price of $238.

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

The cheapest day to depart on your flight to Denver is on a Tuesday when prices can be found for as low as $267. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $338.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $201. Flights in the morning are often more expensive with an average ticket price of $368.

What is the cheapest Philadelphia to Denver Intl flight route?

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

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

The best time to book a flight to Denver from Philadelphia is 54 days out, which is when prices tend to be around $298. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $217.

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

There are 4 cabin classes available to choose from on Philadelphia to Denver Intl 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 Philadelphia to Denver flights?

You could potentially save up to 23% on your flight if you consider stops on a Philadelphia to Denver flight.

How have Philadelphia to Denver flight prices changed over time?

As of December 2024, prices for Philadelphia to Denver flights are approximately 18% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to Denver

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

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

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

Best Price Found

$43

Fastest flight time

4h 03m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Philadelphia in the past 72 hours is $43. The best round-trip flight deal from Philadelphia to Denver found on momondo in the last 72 hours is $105.
The fastest flight from Philadelphia to Denver takes 4h 03m
Direct flights go from Philadelphia to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)

  • How far is Philadelphia to Denver Intl by plane?

    The distance between Philadelphia and Denver Intl is about 1574.0 mi. A reasonable flight in good conditions will take 4h 16m.

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

    Prices for flights from Philadelphia Airport to Denver Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Denver Intl Airport.

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

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

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


Best airlines flying from Philadelphia to Denver

Compare and see reviews for airlines that fly from Philadelphia to Denver with momondo
Airline
Rating
Free Cancellation
Price
Sun Country AirPriceFrom $82Free CancellationRating
6.9
399 reviews
Search Sun Country Air flights
FrontierPriceFrom $88Free CancellationRating
6.1
3,479 reviews
Search Frontier flights
Allegiant AirPriceFrom $104Free CancellationRating
7.3
829 reviews
Search Allegiant Air flights
SouthwestPriceFrom $179Free CancellationRating
8.1
4,848 reviews
Search Southwest flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
American AirlinesPriceFrom $191Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $221Free CancellationRating
8.0
8,604 reviews
Search Delta flights
  • Southwest Flights From Philadelphia to Denver

    The lowest priced Southwest flight from Philadelphia to Denver from the last 72 hours was $179. Generally, Southwest has 6 flights on this route every week with an average price of $326. Southwest is rated 8.1/10 by our users.

  • United Airlines Flights From Philadelphia to Denver

    United Airlines is also a popular choice for this route. United Airlines flight deals for Philadelphia to Denver start from as low as $189 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $416. United Airlines operates 2 flights to Denver from Philadelphia in an average week. Users have rated it 7.4/10 across 9,059 reviews.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Denver. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Philadelphia.

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

Yes momondo offers price alerts on flights to Denver from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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