PHL - DEN

£73 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 4/6. 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

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
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 26% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheap Flight Deals from Philadelphia to Denver (PHL-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return 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.

Recent return flight deals from Philadelphia to Denver

KAYAK's recommended return flight deals from the most popular airlines that fly from Philadelphia to Denver.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
United Airlines Logo
08:00 - 10:03PHL-DEN
4h 03mdirect
United Airlines Logo
23:45 - 05:22DEN-PHL
3h 37mdirect
£145United Airlines
Find Deal
Tue, 10 Jun - Wed, 11 Jun
United Airlines Logo
14:50 - 21:55PHL-DEN
9h 05m1 stop
United Airlines Logo
23:45 - 05:22DEN-PHL
3h 37mdirect
£161United Airlines
Find Deal
Sun, 25 May - Wed, 28 May
Southwest Logo
05:00 - 07:10PHL-DEN
4h 10mdirect
Southwest Logo
17:30 - 23:05DEN-PHL
3h 35mdirect
£163Southwest
Find Deal
Thu, 8 May - Tue, 13 May
Southwest Logo
19:30 - 23:40PHL-DEN
6h 10m1 stop
Southwest Logo
18:30 - 00:05DEN-PHL
3h 35mdirect
£169Southwest
Find Deal
Tue, 24 Jun - Tue, 1 Jul
Southwest Logo
06:50 - 08:50PHL-DEN
4h 00mdirect
Southwest Logo
18:30 - 00:05DEN-PHL
3h 35mdirect
£172Southwest
Find Deal
Tue, 17 Jun - Tue, 1 Jul
JetBlue Logo
06:00 - 12:23PHL-DEN
8h 23m1 stop
JetBlue Logo
22:38 - 09:55DEN-PHL
9h 17m1 stop
£172JetBlue
Find Deal
Sat, 7 Jun - Tue, 10 Jun
JetBlue Logo
06:00 - 12:28PHL-DEN
8h 28m1 stop
JetBlue Logo
22:38 - 09:38DEN-PHL
9h 00m1 stop
£193JetBlue
Find Deal
Fri, 30 May - Mon, 2 Jun
Delta Logo
11:55 - 15:34PHL-DEN
5h 39m1 stop
Delta Logo
00:59 - 11:04DEN-PHL
8h 05m1 stop
£193Delta
Find Deal
Tue, 3 Jun - Mon, 9 Jun
Delta Logo
18:59 - 00:12PHL-DEN
7h 13m1 stop
Delta Logo
09:15 - 18:03DEN-PHL
6h 48m1 stop
£201Delta
Find Deal
Fri, 16 May - Wed, 21 May
Sun Country Air Logo
12:22 - 18:01PHL-DEN
7h 39m1 stop
Sun Country Air Logo
17:43 - 11:14DEN-PHL
15h 31m1 stop
£282Sun Country Air
Find Deal
Thu, 21 Aug - Sun, 24 Aug

Expert advice for your flight from Philadelphia to Denver

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Air Canada

Air Canada offers priority boarding for Business Class and elite status passengers, enhancing travel efficiency.


Air Canada provides Wi-Fi on select flights; check availability five days before departure for planning.

Read more about Air Canadaby Stefanie Waldek
United Airlines

United offers Priority Boarding for Zone 2, ensuring overhead bin space for carry-ons.


United's Wi-Fi varies; T-Mobile customers enjoy free streaming. Check coverage before purchasing.

Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada and United Airlines

Stefanie Waldek

Stefanie Waldek

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 out at sea, likely en route to Antarctica or the Arctic.

Read more

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.

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 September, where tickets cost £187 (return) on average. On the other hand, the most expensive months are December and March, where the average cost of round-trip tickets is £286 and £261 respectively.

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

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.
No, with an average price for the route of £170, prices are generally cheapest when you fly direct.

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. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know - Cheap tickets from Philadelphia to Denver

Low season

January

High season

August

Cheapest flight

£73
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly and prices are also 5% 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 return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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 £97 for a one-way ticket and £193 for a return.

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

    American Airlines, Delta, JetBlue, and Alaska 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 737-800 is the aircraft model that flies most regularly on the Philadelphia to Denver flight route.

  • Which airline alliances offer flights from Philadelphia to Denver?

    oneworld, and Star Alliance are the airline alliances operating flights between Philadelphia and Denver, with oneworld being the most commonly used for this 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 return 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.

See more FAQs

Prefer to fly direct from Philadelphia to Denver?

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

Air Canada, American Airlines, British Airways, +4 more

Air Canada, American Airlines, +5 more

Tuesday

Air Canada, American Airlines, British Airways, +4 more

Air Canada, American Airlines, +5 more

Wednesday

Air Canada, American Airlines, British Airways, +4 more

Air Canada, American Airlines, +5 more

Thursday

Air Canada, American Airlines, British Airways, +4 more

Air Canada, American Airlines, +5 more

Friday

Air Canada, American Airlines, British Airways, +4 more

Air Canada, American Airlines, +5 more

Saturday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Sunday

Air Canada, American Airlines, British Airways, +4 more

Air Canada, American Airlines, +5 more

See more direct flights

Direct returns

Denver Intl to Philadelphia

Monday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Thursday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Friday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Saturday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Sunday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

See more direct flights
See more direct flights

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

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.