PHL - DEN

C$ 143 Find Cheap Flights from Philadelphia to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Denver departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Denver, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to Denver, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
C$ 218
Typical prices: C$ 562-C$ 278
Frontier
Wed 27/5Fri 29/5
PHL - DEN • Direct
Cheapest direct flights
C$ 229
Typical prices: C$ 566-C$ 305
Frontier
Wed 13/5Sat 16/5
PHL - DEN • Direct
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
United's Priority Boarding helps secure carry-on space.
Air Canada's Wi-Fi is available on select flights.
Expert advice
Expert advice
Expert advice
Expert advice
Direct flights
You can fly direct with American Airlines, Frontier, and others. Average duration is 4h 16m
Direct flights
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Direct flights
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Most punctual • 88% on-time
Best time • Fewest delays
Insights
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When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 14% compared to booking last minute.
Insights
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Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Philadelphia to Denver (PHL-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Denver

Wed, 27 May - Fri, 29 May
Frontier Logo
8:35 p.m. - 11:04 p.m.
PHL
-
DEN
4h 29mdirect
Frontier Logo
9:06 p.m. - 3:16 p.m.
DEN
-
PHL
16h 10m
1 stop
C$ 218Frontier
Wed, 13 May - Sat, 16 May
Frontier Logo
8:35 p.m. - 11:04 p.m.
PHL
-
DEN
4h 29mdirect
Frontier Logo
11:59 p.m. - 5:37 a.m.
DEN
-
PHL
3h 38mdirect
C$ 229Frontier
Wed, 13 May - Sat, 16 May
Frontier Logo
5:04 p.m. - 11:11 p.m.
PHL
-
DEN
8h 07m
1 stop
Frontier Logo
11:59 p.m. - 5:37 a.m.
DEN
-
PHL
3h 38mdirect
C$ 230Frontier
Wed, 13 May - Sun, 17 May
Frontier Logo
8:35 p.m. - 11:04 p.m.
PHL
-
DEN
4h 29mdirect
Frontier Logo
7:15 a.m. - 1:06 a.m.
DEN
-
PHL
15h 51m
1 stop
C$ 278Frontier
Wed, 13 May - Sun, 17 May
Frontier Logo
5:04 p.m. - 11:11 p.m.
PHL
-
DEN
8h 07m
1 stop
Frontier Logo
7:15 a.m. - 1:06 a.m.
DEN
-
PHL
15h 51m
1 stop
C$ 279Frontier
Wed, 13 May - Sat, 16 May
Frontier Logo
5:04 p.m. - 11:11 p.m.
PHL
-
DEN
8h 07m
1 stop
Frontier Logo
6:35 a.m. - 9:28 p.m.
DEN
-
PHL
12h 53m
1 stop
C$ 286Frontier
Wed, 27 May - Fri, 29 May
Frontier Logo
7:20 a.m. - 2:32 p.m.
PHL
-
DEN
9h 12m
1 stop
Frontier Logo
9:06 p.m. - 3:16 p.m.
DEN
-
PHL
16h 10m
1 stop
C$ 288Frontier
Thu, 28 May - Fri, 29 May
Frontier Logo
8:35 p.m. - 11:04 p.m.
PHL
-
DEN
4h 29mdirect
Frontier Logo
9:06 p.m. - 3:16 p.m.
DEN
-
PHL
16h 10m
1 stop
C$ 305Frontier
Wed, 13 May - Sat, 16 May
Frontier Logo
7:20 a.m. - 3:28 p.m.
PHL
-
DEN
10h 08m
1 stop
Frontier Logo
6:30 a.m. - 11:48 p.m.
DEN
-
PHL
15h 18m
2 stops
C$ 339Frontier
Thu, 4 Jun - Sun, 7 Jun
Frontier Logo
8:35 p.m. - 11:04 p.m.
PHL
-
DEN
4h 29mdirect
Frontier Logo
6:03 a.m. - 4:48 p.m.
DEN
-
PHL
8h 45m
1 stop
C$ 342Frontier
Booking Insights

KAYAK's insights & trends for Philadelphia to Denver flights

Get data-powered insights and trends into flights from Philadelphia to Denver to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Philadelphia to Denver?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to Denver departing in May.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to Denver is August, where tickets cost C$ 382 (return) on average. On the other hand, the most expensive months are March and December, where the average cost of round-trip tickets is C$ 583 and C$ 508 respectively.

Can I save money by flying with a layover from Philadelphia to Denver?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 406 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Philadelphia to Denver, you should book around 2 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Expert advice

Expert advice for your flight from Philadelphia to Denver

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada and United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Good to know

Low seasonJanuary
Cheapest flightC$ 143
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.
Flight from Philadelphia to Denver

When to book flights from Philadelphia to Denver

Are your dates flexible? Find out the best times to travel from Philadelphia to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to Denver

  • What is the cheapest flight from Philadelphia to Denver?

    In the last 3 days, the lowest price for a flight from Philadelphia to Denver was C$ 143 for a one-way ticket and C$ 218 for a round-trip.

  • Which airports will I be using when flying from Philadelphia to Denver?

    When flying out of Philadelphia you will be using Philadelphia. You will be landing at Denver, also known as Denver Intl.

  • Which airlines offer Wi-Fi service onboard planes from Philadelphia to Denver?

    American Airlines, JetBlue, Delta, and Japan Airlines offer inflight Wi-Fi service on the Philadelphia to Denver flight route.

  • Which aircraft models fly most regularly from Philadelphia to Denver?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Philadelphia to Denver flight route.

  • On which days can I fly direct from Philadelphia to Denver?

    There are direct flights from Philadelphia to Denver on a daily basis.

  • How does KAYAK find such low prices on flights from Philadelphia to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Philadelphia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Philadelphia to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 426 or less one-way.

Prefer to fly direct from Philadelphia to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Philadelphia to Denver Intl.
Find which airlines fly direct from Philadelphia Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to Denver Intl

Monday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

See more nonstop flights

Direct returns

Denver Intl to Philadelphia

Monday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

See more nonstop flights

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

Information on your arrival and departure airports