Cheap flights from Denver to Philadelphia

Denver
DEN
Philadelphia
PHL

Flight deals from Denver to Philadelphia

Below you can see the best deals on flights Denver — Philadelphia for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 3 October, from $53.

Top 10 cheap flights from Denver to Philadelphia

F9
$ 57

Denver — Philadelphia

23:59—05:39
2 Sep 2026
3 h 40 m
Direct flight
F9
$ 57

Denver — Philadelphia

23:59—05:39
1 Sep 2026
3 h 40 m
Direct flight
F9
F9
$ 83

Denver — Philadelphia

10:44—23:18
12 Sep 2026
10 h 34 m
1 stop
F9
$ 84

Denver — Philadelphia

23:59—05:39
31 Aug 2026
3 h 40 m
Direct flight
F9
F9
$ 93

Denver — Philadelphia

19:10—07:16
12 Sep 2026
34 h 6 m
1 stop
F9
F9
$ 93

Denver — Philadelphia

19:10—07:16
9 Sep 2026
10 h 6 m
1 stop
F9
F9
$ 93

Denver — Philadelphia

19:10—18:14
9 Sep 2026
21 h 4 m
1 stop
F9
F9
$ 93

Denver — Philadelphia

19:10—23:18
9 Sep 2026
26 h 8 m
1 stop
F9
F9
$ 93

Denver — Philadelphia

19:10—07:16
9 Sep 2026
34 h 6 m
1 stop
F9
F9
$ 99

Denver — Philadelphia

13:39—22:42
14 Sep 2026
7 h 3 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Denver — Philadelphia flight

Looking for cheap flights from Denver to Philadelphia? Compare fares from different airlines, check the flight schedule and travel time — and book your Denver — Philadelphia ticket online at the best price.

The route has direct flights — around 99 flights per week, flights are operated by American Airlines, Frontier Airlines, United Airlines, Southwest Airlines, a nonstop flight takes about 3 h 32 min, the distance between the cities is around 2,541 km.

Planning your trip? You may find our Philadelphia travel guide, how to get from the airport into town and Philadelphia weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $53Min. price
OctoberCheapest
FebruaryPeak season
YesDirect flights
2,541 kmDistance
3 h 32 minTravel time
4Airlines
99 / wkFlights

Flight schedule from Denver to Philadelphia

The table shows direct flights from Denver to Philadelphia on the selected date. The flight takes approximately 3 h 32 min. Regular flights are operated by American Airlines, Frontier Airlines, United Airlines and Southwest Airlines. Departures from Denver International Airport and Centennial Airport airports, arrivals at Philadelphia International Airport and Trenton-Mercer Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Denver — Philadelphia

Below is a calendar of the lowest flight ticket prices for Denver — Philadelphia by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $53 in October, and the most expensive are around $229 in February. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--

Prices by month

Average one-way fares from Denver to Philadelphia by month. Tickets are usually cheapest in February (around $210) and priciest in December (about $270) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$264highMay$222lowSep$234medium
Feb$210lowJun$240mediumOct$234medium
Mar$216lowJul$258highNov$264high
Apr$222lowAug$252highDec$270high

Some values are estimated based on seasonality.

When to fly

Weather in Philadelphia: it is warmest in July (up to 30 °C on average) and coolest in January (around 6 °C). The driest month is November.

Tickets are usually cheapest in October and most expensive in February. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Philadelphia

Dry and wet days · Philadelphia

Wind speed and direction · Philadelphia

We'll let you know if you need a visa

Enter your destination or
Your nationality
Destination

How to get the best deal on a Denver — Philadelphia ticket

  • Book ahead: fares for Denver — Philadelphia are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Denver is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Philadelphia is usually October — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Denver — Philadelphia route are operated by 4 airlines; American Airlines runs the most flights (around 39% of all flights). Compare carriers, flight shares and schedules below.

  • American AirlinesAA
    13x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight DEN → PHL13x/week
      Duration
      3h 44m
      Days
      MTWTFSS
    39.4%Open →
  • Frontier AirlinesF9
    9x/week
    WebsiteFleet: 15329M pax/year
    • Direct flight DEN → PHL9x/week
      Duration
      3h 42m
      Days
      MTWTFSS
    28.3%Open →
  • United AirlinesUA
    8x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight DEN → PHL8x/week
      Duration
      3h 41m
      Days
      MTWTFSS
    24.2%Open →
  • Southwest AirlinesWN
    3x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight DEN → PHL3x/week
      Duration
      3h 31m
      Days
      MTWTFSS
    8.1%Open →

Cities and airports on the Denver — Philadelphia route

Flights Denver — Philadelphia depart from Denver International Airport and Centennial Airport and arrive at Philadelphia International Airport and Trenton-Mercer Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Denver

DEN
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Philadelphia

PHL
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

Interesting articles about Philadelphia

The World’s Largest CitiesInteresting

The World’s Largest Cities

If you prefer non-stop action to quiet solitude somewhere by the sea or in the mountains—this article is for you. We’ve already told you about the oldest cities in the world, and now it’s time to delv…

Did you know that some airports have beds?Interesting

Did you know that some airports have beds?

Did you know that some airports have beds? They are intended for passengers whose flights were canceled due to bad weather or other force majeure circumstances. These unfortunate travelers are offered…

Flying across the ocean with Royal Air MarocTravel Ideas

Flying across the ocean with Royal Air Maroc

The Western Hemisphere seems so distant and unattainable until you discover connecting flights with Royal Air Maroc. With this airline, it’s much easier to get to North or South America, see the carni…

Graffiti: Where to go for street artInteresting

Graffiti: Where to go for street art

Long gone are the days when graffiti was considered solely vandalism. Today, street art is a powerful and vibrant direction of contemporary art, transforming gray city walls into open-air galleries. A…

Best European Neighborhoods for a Few Days of PartyingTips for Travelers

Best European Neighborhoods for a Few Days of Partying

May holidays are coming, hurray! Time for big and small trips. Big ones are clear, but for the small ones, we have the inside scoop. Many go to Europe, and it’s understandable — it’s very nice there i…

Most romantic destinations for a declaration of loveTravel Ideas

Most romantic destinations for a declaration of love

You can say “I love you” anywhere, but February is a special month. It’s a time when you either want to escape winter to the tropics, or, conversely, find comfort in snow-covered ancient cities, warmi…

Frequently asked questions about the Denver — Philadelphia flight

How long is the flight from Denver to Philadelphia?

A nonstop Denver — Philadelphia flight takes about 3 h 32 min — the distance between the cities is around 2,541 km.

How far is it from Denver to Philadelphia?

The distance from Denver to Philadelphia is about 2,541 km, which a nonstop flight covers in around 3 h 32 min.

Are there direct flights from Denver to Philadelphia?

Yes, there are nonstop flights Denver — Philadelphia — around 99 flights per week.

Which airlines fly from Denver to Philadelphia?

Airlines operating Denver — Philadelphia include American Airlines, Frontier Airlines, United Airlines, Southwest Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Denver — Philadelphia flights use?

Flights from Denver depart from Denver International Airport, Centennial Airport, and arrive at Philadelphia International Airport, Trenton-Mercer Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Denver to Philadelphia?

The price of a Denver — Philadelphia ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in February. Tickets typically cost between $53 and $229. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Denver — Philadelphia?

Flights Denver — Philadelphia are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Denver to Philadelphia?

To catch a low fare Denver — Philadelphia, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Denver

See all
Los AngelesSeattlePhoenixNew York CitySalt Lake CitySan DiegoDallasLas VegasMinneapolisChicagoHoustonAtlantaPortlandAustinColorado SpringsSan FranciscoWashington, D.C.OrlandoKansas CityNashvilleSanta AnaDetroitOklahoma CityAspenRapid CityMiamiSacramentoAlbuquerqueSt. LouisBostonWichitaSan JoseBoiseMidlandCharlotteGrand JunctionOmahaTulsaSan AntonioLincoln

Where else you can fly from Philadelphia

See all
AtlantaChicagoBostonOrlandoFort LauderdaleMiamiTorontoDetroitCharlotteWashington, D.C.RaleighDallasLos AngelesPhoenixMinneapolisSan JuanPittsburghSeattleNashvilleMontrealColumbusClevelandTampaSan FranciscoIndianapolisNorfolkCincinnatiHoustonLas VegasHarrisburgJacksonvilleRichmondHartfordSouth PortlandAlbanyRochesterKansas CityCancunPunta CanaNorth Charleston

We use cookies and services to collect user information. This is essential for the functioning of the site and for marketing purposes. You can find out more in .