Cheap flights from Denver to Philadelphia (DEN - PHL) from $29

This is the cheapest one-way flight price, found on 9/24. Prices may vary by date and flight preferences.
DEN — PHL
Sep 30 — Oct 71

The best prices from Denver Intl to Philadelphia are usually found in January or February, booked 0 days in advance, depart on a Friday or Saturday and return on a Wednesday

How to find the cheapest flight from Denver (DEN) to Philadelphia (PHL)

All the information you need to plan the best DEN to PHL flight in 2023: compare Denver to Philadelphia flight prices with the expected peak season, weather and rainfall in Philadelphia.

Popular in

July

Cheapest in

January

Round-trip from

$248

One-way from

$62
High demand for flights, 30% potential price rise
Best time to find cheap flights, 40% potential price drop
From Denver Intl to Philadelphia
One-way flight from Denver Intl to Philadelphia

DEN - PHL

Price

$248 - $428

PHL

Temperature

33.8 - 78.8 °F

PHL

Rainfall

2.7 - 4.4 inches

What is the cheapest day to fly round-trip from Denver to Philadelphia?

Thursday is generally a great day to depart. Flying on this day could help you save up to 27%.

What is the cheapest month to fly from Denver to Philadelphia?

The best pricing can be found in the month of January. Prices to Philadelphia from Denver average $328. You can even find prices in January for less than $328, as users have found deals to Philadelphia from as low as $123. The month of July appears to be one of the more expensive times to travel to Philadelphia from Denver. Flying in the targeted month can save you up to 42%.

When is the cheapest time to fly from Denver to Philadelphia (DEN - PHL)?

It’s typically best to fly out from Denver to Philadelphia in the evening. Doing so could potentially save you 35% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Frontier flights from Denver to Philadelphia

Consider these cheap Frontier flights we've found departing from Denver to Philadelphia. Be sure to come back soon if the deals available don't appeal to you at this time.
  • One of the most popular airlines traveling from Denver to Philadelphia is Frontier. Flights from Frontier traveling this route typically cost $404.13 RT. This price is typically 14% cheaper than other airlines that offer Denver to Philadelphia flights. When booking this route, the cheapest RT price found was $116. Denver Intl Airport is the most common Denver airport to take off from when flying to Philadelphia. Philadelphia Airport is the most popular arrival airport in Philadelphia. When flying from Denver to Philadelphia, Frontier flights are 7% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from Denver to Philadelphia

Browse through some of the cheapest Spirit Airlines flights traveling from Denver to Philadelphia. Check back soon if you're not seeing flights that suit your needs.
  • If you’re traveling from Denver to Philadelphia, one of the more common airlines traveling that route is Spirit Airlines. Denver to Philadelphia flights are typically 40% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $363.80 RT. The cheapest Spirit Airlines flight found for this route was $178. When traveling from Denver to Philadelphia on Spirit Airlines, the most popular airport to depart from is Denver Intl Airport and the most popular airport to arrive at is Philadelphia Airport. When flying from Denver to Philadelphia, Spirit Airlines flights are 4% more popular than any other airline flying that same route.

Cheap Denver to Philadelphia flights in September & October 2023

The best prices found for DEN to PHL flights for September, October
Scroll through some of the best deals on flights from Denver to Philadelphia in 2023. Check back regularly for other flight deals.

Denver to Philadelphia 2023 flight deals

Cheap flights to Philadelphia from Denver found for this year
Scroll through some of the best deals on flights from Denver to Philadelphia in 2023. Check back regularly for other flight deals.

Non-stop flights to Philadelphia from Denver

Save time with Denver to Philadelphia direct flight deals
Consider booking one of these non-stop flights heading from Denver to Philadelphia. If you're looking for other options for flights from Denver to Philadelphia, make sure to update the search form at the top of page.

Denver to Philadelphia flights leaving soon

Late deals on return flights to Philadelphia from Denver, departing today and this week
Have a look at some of the last-minute flights available departing from Denver to Philadelphia. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Philadelphia from Denver

The cheapest one-way flights from Denver to Philadelphia
Users in need of a one-way flight from Denver to Philadelphia can choose from these deals. For those needing a return trip from Denver, there is a search form available above.

Find flights from Denver to Philadelphia within your budget

Use the slider to find flights from Denver to Philadelphia that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$58 - $228

Route

Depart

Return

Price

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Wed 11/1

Nonstop3h 35m

Philadelphia

Tue 11/7

Nonstop4h 31m

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Wed 10/11

Nonstop3h 33m

Philadelphia

Sat 10/14

Nonstop4h 18m

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Mon 10/30

Nonstop3h 35m

Philadelphia

Sat 11/4

Nonstop4h 28m

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Tue 10/17

Nonstop3h 33m

Philadelphia

Sat 10/21

Nonstop4h 18m

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Thu 12/7

Nonstop3h 29m

Philadelphia

Sat 12/9

Nonstop4h 34m

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Tue 10/17

Nonstop3h 33m

Philadelphia

Tue 10/24

1 stop7h 27m

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Thu 10/5

1 stop30h 07m

Philadelphia

Sat 10/7

Nonstop4h 28m

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Tue 10/24

1 stop11h 20m

Philadelphia

Tue 10/31

3 stops34h 03m

Denver IntlPhiladelphia

DEN - PHL

DENPHL

Denver Intl

Fri 12/1

Nonstop3h 28m

Philadelphia

Mon 12/4

Nonstop4h 22m

Flights are sorted by cheapest first

Deals found on 9/24

Reviews of airlines servicing Philadelphia

See what other customers who have flown with Frontier, Spirit Airlines and American Airlines from Denver to Philadelphia have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,021 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 10

Crew was a little snippy, it was a late flight so maybe they were tired.

Delta
7.9
Good
3,021 reviews
Delta
7.9
Good
3,021 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 10

Crew was a little snippy, it was a late flight so maybe they were tired.

Sun Country Air
7.4
Good
94 reviews
Delta
7.9
Good
3,021 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 10

Crew was a little snippy, it was a late flight so maybe they were tired.

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,021 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 10

Crew was a little snippy, it was a late flight so maybe they were tired.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,021 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 10

Crew was a little snippy, it was a late flight so maybe they were tired.

Spirit Airlines
6.3
Okay
1,483 reviews
Delta
7.9
Good
3,021 reviews

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 10

Crew was a little snippy, it was a late flight so maybe they were tired.

Related info for your journey

Useful info, stats and facts about Denver to Philadelphia flights.

What airports do I use to fly from Denver to Philadelphia?

If you book a flight from Denver to Philadelphia, you will be flying from Denver Intl to Philadelphia. Flights to Philadelphia (PHL) from Denver Intl (DEN) take 3h 15m for a nonstop flight. There are 11 flights from Denver Intl to Philadelphia per day from 5 airlines.

Can I find flights from Denver to Philadelphia for under $100 on Cheapflights?

Yes, there are multiple flights from Denver to Philadelphia for under $100. The cheapest flight booked recently is on Frontier for just $58, but on average you can expect to pay $82.

Are there nonstop flights from Denver to Philadelphia for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to Philadelphia under $100. A good price for a nonstop flight from Denver to Philadelphia is less than $90.

Are there last-minute flights available from Denver to Philadelphia for under $200?

There are currently 20+ open flights from Denver to Philadelphia within the next 7 days for less than $200.

What days are nonstop flights available from Denver to Philadelphia?

Days when nonstop flights are available for this flight are: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this Denver to Philadelphia flight route?

How many flights depart from Denver to Philadelphia on average per day?

Travelers can expect 21 flights from Denver to Philadelphia on average per day.
Morning (6am - Noon) - 19% of flight departures
Afternoon (Noon - 6pm) - 67% of flight departures
Evening (6pm - Midnight) - 14% of flight departures

How long is the flight from Denver to Philadelphia?

Airlines like Frontier fly from Denver to Philadelphia in about 3h 35m. The time it takes to get you to your destination is usually consistent. The distance from Denver to Philadelphia is about 1562 mi. Generally, flights for this route are nonstop.

What is the cheapest airline to fly from Denver to Philadelphia round-trip?

Currently priced at $58, Frontier will fly you from Denver to Philadelphia and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Users have found that Frontier is 82% cheaper than the other options available to this destination.

What are the most popular airlines that fly from Denver to Philadelphia?

What are the most reliable airlines from Denver to Philadelphia?

No one likes to see their flight delayed. When booking a flight from Denver to Philadelphia consider choosing Aer Lingus (88%), United Airlines (80%) or Air Canada (75%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Denver to Philadelphia?

The cheapest flight price from Denver to Philadelphia is $68. On average you can expect to pay $892. The most popular route, (Denver Intl - Philadelphia), can usually be booked for $58.

What does DEN to PHL mean?

This is defined as Denver Intl Airport (DEN) and Philadelphia Airport (PHL). Codes like Philadelphia Airport are often used to just call airports uniquely.

Alternative routes for Denver to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Denver to Philadelphia

The chart below displays the airlines Cheapflights users traveling from Denver to Philadelphia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$224FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$116Average$404FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Spirit AirlinesCheapest$123Average$186FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$178Average$364FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$237Average$372FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from Denver to Philadelphia

See what time of day planes typically take off from Denver to Philadelphia
4%of flight departuresEarly morningMidnight to 6 am
39%of flight departuresMorning6 am to noon
39%of flight departuresAfternoonNoon to 6 pm
18%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Denver to Philadelphia

See how many times per day planes take to the skies headed from Denver to Philadelphia
Sunday10daily flights
Monday12daily flights
Tuesday12daily flights
Wednesday12daily flights
Thursday11daily flights
Friday11daily flights
Saturday10daily flights
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