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Cheap flights from Philadelphia to Denver from C$ 194

PHL — DEN
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Philadelphia to Denver Intl are usually found in April or February, booked 44 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Philadelphia to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Philadelphia to Denver

Sat 5/123:35 p.m. -
Nonstop4h 20m
Wed 9/126:10 p.m. -
Nonstop3h 31m
Deal found 2/11C$ 359
Sat 5/123:35 p.m. -
Nonstop4h 20m
Tue 8/129:50 a.m. -
1 stop6h 07m
Deal found 3/11C$ 367
Thu 3/127:41 a.m. -
Nonstop4h 20m
Thu 10/127:45 a.m. -
1 stop8h 12m
Deal found 5/11C$ 373
Fri 4/121:17 p.m. -
1 stop6h 46m
Tue 8/129:50 a.m. -
1 stop6h 07m
Deal found 3/11C$ 380
Tue 8/125:00 a.m. -
Nonstop4h 20m
Tue 8/126:00 p.m. -
Nonstop3h 30m
Deal found 3/11C$ 381
Fri 4/125:00 a.m. -
Nonstop4h 20m
Mon 7/127:05 a.m. -
1 stop5h 10m
Deal found 1/11C$ 384
Wed 23/127:32 p.m. -
1 stop6h 59m
Thu 24/122:29 p.m. -
1 stop7h 19m
Deal found 4/11C$ 387
Sat 12/126:15 a.m. -
1 stop6h 05m
Wed 16/1211:05 a.m. -
2 stops8h 20m
Deal found 1/11C$ 394
Thu 17/127:35 a.m. -
Nonstop4h 29m
Mon 21/1211:59 p.m. -
Nonstop3h 32m
Deal found 5/11C$ 395
Thu 3/127:41 a.m. -
Nonstop4h 20m
Mon 7/126:10 p.m. -
Nonstop3h 31m
Deal found 31/10C$ 397
Thu 10/122:45 p.m. -
2 stops9h 20m
Mon 14/1211:05 a.m. -
2 stops8h 20m
Deal found 1/11C$ 401
Sat 19/127:20 p.m. -
1 stop6h 05m
Mon 4/18:10 a.m. -
2 stops8h 35m
Deal found 5/11C$ 405

Find flight deals from Philadelphia to Denver

Round-trip from

C$ 359

One-way from

C$ 194

Popular in

June

Cheapest in

April

Average price

C$ 535

Good one-way deal

C$ 488 or less
Southwest
  • Southwest
  • 4/2-10/2
  • Nonstop
  • 7h 45m total
  • Philadelphia to Denver
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Delta
  • Delta
  • 1/12-31/12
  • 1 total stop
  • 5h 40m total
  • Philadelphia to Denver
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Highest demand for flights based on searches. 4% potential increase in price (C$ 34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a one-way flight from Philadelphia to Denver Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Philadelphia to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Mon 4/1

1:50 p.m.-8:05 p.m.

2 stops8h 15m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 201

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Sun 20/12

12:25 p.m.-6:20 p.m.

1 stop7h 55m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 283

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Sun 13/12

9:55 a.m.-12:15 p.m.

Nonstop4h 20m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 295
Quickest round-trip

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Mon 21/12

5:00 a.m.-7:15 a.m.

Nonstop4h 15m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 295

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Wed 24/3

6:13 p.m.-12:23 a.m.

1 stop8h 10m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 296

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Tue 1/12

9:55 a.m.-12:15 p.m.

Nonstop4h 20m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 324

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Fri 2/4

1:40 p.m.-3:55 p.m.

Nonstop4h 15m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 344

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Wed 11/11

7:45 a.m.-10:05 a.m.

Nonstop4h 20m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 370

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Thu 25/2

5:00 a.m.-7:20 a.m.

Nonstop4h 20m

Denver Intl

Tue 2/3

6:50 a.m.-4:20 p.m.

1 stop7h 30m

C$ 373

PhiladelphiaDenver

PHL Philadelphia - DEN Denver Intl

PHLDEN

Philadelphia

Mon 7/12

5:41 p.m.-11:29 p.m.

1 stop7h 48m

Denver Intl

Mon 14/12

6:10 p.m.-11:41 p.m.

Nonstop3h 31m

C$ 373

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Philadelphia to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Philadelphia with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Denver

How far ahead should I book a flight from Philadelphia to Denver?

To ensure you get the cheapest price possible for a flight from Philadelphia to Denver, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Philadelphia to Denver?

Currently, April is the cheapest month in which you can book a flight from Philadelphia to Denver (average of C$ 450). Flying from Philadelphia to Denver in June is currently the most expensive (average of C$ 656). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to DEN?

When flying from Philadelphia to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 77% versus a flight in the afternoon.

How much does it cost to fly round-trip from Philadelphia to Denver?

Airfare is below average for this route at the moment.

Philadelphia to Denver flights typically cost between C$ 418 and C$ 687 in December.
The cheapest round-trip price found within the last 5 days was C$ 359 on United Airlines (5 Dec-9 Dec).

Related info for your journey

  • How popular is this Philadelphia to Denver flight route?

    This flight path from Philadelphia to Denver Intl was viewed by 10 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Philadelphia to Denver?

    Airlines like United Airlines, Southwest, and Delta fly from Philadelphia to Denver in about 4h 10m. The time it takes to get you to your destination can typically vary by up to 3h 38m. Airlines will cover a distance of 2499 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from Philadelphia to Denver?

    No one likes to see their flight delayed. When booking a flight from Philadelphia to Denver consider choosing Aer Lingus (100%), Frontier (96%) or Volaris (95%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Philadelphia to Denver?

    While on average a flight from Philadelphia to Denver is generally C$ 488, our data shows the cheapest flight currently is C$ 488. When looking at the most popular route, (Philadelphia - Denver Intl), you can expect to pay C$ 774 for that flight.

  • Can I find deals for flights from Philadelphia to Denver that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Denver.

  • Can I find deals for business class flights from Philadelphia to Denver?

    Yes. Cheapflights offers flight deals from Philadelphia to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Denver?

    Currently, April is the cheapest month in which you can book a flight from Philadelphia to Denver (average of C$ 450). Flying from Philadelphia to Denver in June is currently the most expensive (average of C$ 656). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Denver?

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Black Hawk

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Alternative routes for Philadelphia to Denver

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Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Denver?

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Yes! Cheapflights helps users easily find flights from Philadelphia to Denver with no change fees.

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