Menu

Cheap flights from Philadelphia to Denver (PHL - DEN)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Philadelphia to Denver are usually found in August or January, booked 13 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

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

PHL - DEN
Price
$108 - $247
DEN
Temperature
44.6 - 89.6 °F
DEN
Rainfall
0.5 - 2.7 inches

Popular in

December

High demand for flights, 24% potential price rise

Cheapest in

August

Best time to find cheap flights, 43% potential price drop

Round-trip from

$108

From Philadelphia to Denver

One-way from

$49

One-way flight from Philadelphia to Denver

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Philadelphia to Denver?

Travelers have found that booking a Monday departure is the best way to save up to 22% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Find a great deal and save up to 12% by booking at least 14 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Philadelphia to Denver within the next two weeks, with the cheapest ticket starting at $88.

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

Our data shows that August tends to be the cheapest month to fly to Denver from Philadelphia. Users have commonly found prices around $98 for the month, but tickets can be as low as $36. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Philadelphia to Denver (PHL - 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 at noon, which can drop the price by up to 22% versus a flight in the afternoon.

Cheap flights from Philadelphia to Denver in January, February 2021

The best prices found for PHL to DEN flights for January, February
1 Feb - 8 Feb
$38pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia
19 Feb - 21 Feb
$39pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia
5 Feb - 11 Feb
$45pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia

Philadelphia to Denver 2021 flight deals

Cheap flights to Denver from Philadelphia found for this year
1 Feb - 8 Feb
$38pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia
19 Feb - 21 Feb
$39pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia
5 Feb - 11 Feb
$45pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia

Non-stop flights to Denver from Philadelphia

Save time with Philadelphia to Denver direct flight deals
1 Feb - 8 Feb
$38pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia
19 Feb - 21 Feb
$39pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia
5 Feb - 11 Feb
$45pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia to Denver

Late deals on round-trip flights to Denver from Philadelphia, departing today and this week
29 Jan - 1 Feb
$38pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia
31 Jan - 28 Feb
$39pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia
29 Jan - 31 Jan
$47pp
PHL
Philadelphia
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
PHL
Philadelphia

One-way flights to Denver from Philadelphia

The cheapest one-way flights from Philadelphia to Denver
3:15 am - 5:35 am
United Airlines
Nonstop
4h 20m
PHL - DEN
United Airlines
$49
United
11:42 am - 10:48 am
Spirit Airlines
2 Stops
25h 06m
PHL - DEN
Spirit Airlines
$64
Gotogate
12:19 pm - 4:24 am
Frontier
2 Stops
18h 05m
PHL - DEN
Frontier
$65
Gotogate

Related info for your journey

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

Flight FAQs

From Philadelphia to Denver

Are flight prices decreasing from Philadelphia to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Philadelphia to Denver Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Some of the new policies that have been implemented to accommodate travelers flying from Philadelphia to Denver Intl are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Philadelphia to Denver Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from Philadelphia to Denver Intl have new flexible policies in place due to COVID-19. American Airlines, Frontier, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

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

Yes, there are multiple flights from Philadelphia to Denver for under $100. The cheapest flight booked recently is on Frontier for just $38, but on average you can expect to pay $53.

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

Cheapflights has at least 20 direct flights from Philadelphia to Denver under $100. A good price for a nonstop flight from Philadelphia to Denver is less than $58.

Are there last-minute flights available from Philadelphia to Denver for under $100?

There are currently 20+ open flights from Philadelphia to Denver within the next 7 days for less than $100.

What days are nonstop flights available from Philadelphia to Denver?

Days when nonstop flights are available for this flight are: Tuesday, Thursday.

Does it rain more in Philadelphia or Denver?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Philadelphia is typically greater than that of Denver. We can gather that this will continue over the next 16 days.

Is Philadelphia weather warmer or cooler than Denver?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in Denver is typically hotter than in Philadelphia. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Philadelphia to Denver?

For as low as $77, United Airlines can have you in Denver from Philadelphia in 4h 05m. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Philadelphia to Denver round-trip?

According to our current data, Frontier ($38), and United Airlines ($77) offers the cheapest pricing from Philadelphia to Denver. Frontier is currently priced 79% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Philadelphia to Denver one-way?

One-way options have recently been found by users for as low as $19 on Frontier. Other airlines that offer cheap prices include United Airlines from $42 and Spirit Airlines from $47 one-way.

Alternative routes for Philadelphia to Denver

Destination information for Denver

Things to know before you go. Useful info for your trip from Philadelphia to Denver
Flight duration
3h 55m
Average temperature for January in Denver
46.4 °F
Avg rainfall for January in Denver
0.5 ″

Airports servicing Philadelphia

Airports servicing Denver

Top 8 airlines flying from Philadelphia to Denver

The chart below displays the airlines Cheapflights users traveling from Philadelphia to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Sun Country Air
$71 $145 No cancel fee 83%
Spirit Airlines
$67 $178 No cancel fee 65%
Frontier
$58 $178 No cancel fee 62%
Delta
$112 $221 No cancel fee N/A
American Airlines
$83 $240 No cancel fee 71%
United Airlines
$93 $295 No cancel fee 69%
Southwest
$102 $339 No cancel fee 63%
JetBlue
$153 $516 No cancel fee 62%

Hourly flight availability from Philadelphia to Denver

Afternoon Noon to 6 PM 51% of PHL to DEN departures
Morning 6 AM to noon 41% of PHL to DEN departures
Evening 6 PM to midnight 6% of PHL to DEN departures
Early morning Midnight to 6 AM 2% of PHL to DEN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Philadelphia to Denver
Sunday
8 daily flights
Monday
8 daily flights
Tuesday
4 daily flights
Wednesday
6 daily flights
Thursday
8 daily flights
Friday
7 daily flights
Saturday
2 daily flights
Home North America USA Colorado Denver Cheap flights from Philadelphia to Denver