Cheap flights from Denver to Philadelphia from $71
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Philadelphia departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Denver to Philadelphia
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How to get the cheapest flight ticket from Denver to Philadelphia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Philadelphia?
The cheapest month to fly to Philadelphia from Denver is in September. Flight prices, which tend to average around $254, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Denver averaging around $257.
What is the cheapest day to depart on your flight to Philadelphia?
The cheapest day to depart from Denver to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $299. On the other hand, Sunday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $454.
What is the cheapest time of day to depart on your flight to Philadelphia?
According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Denver to Philadelphia in the evening for as low as $245. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $529.
What is the cheapest Denver Intl to Philadelphia flight route?
Fly from Denver Intl to Philadelphia for the best Denver Intl - Philadelphia flight prices
How far in advance should I book a flight to Philadelphia?
You are more likely to see cheaper flights to Philadelphia from Denver when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $300 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Denver for as low as $255 on momondo.
What cabin class options are available on Denver Intl to Philadelphia flights?
There are 4 cabin classes available to choose from on Denver Intl to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Denver Intl to Philadelphia?
Frontier, American Airlines, and United Airlines are the most popular carriers operating from Denver Intl to Philadelphia
What airlines fly to Philadelphia?
United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Philadelphia from Denver according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 7 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.
How many flights depart from Denver to Philadelphia on average per day?
The number of flights available between Denver and Philadelphia is 15 per day as of June 2025. The most frequent departure time is 11:00PM, with 46% of daily flights leaving at noon.
How many flights depart from Denver to Philadelphia on average per week?
As of June 2025, there are 109 flights per week flying from Denver to Philadelphia. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.
When to book flights from Denver to Philadelphia
Cheap Denver to Philadelphia (DEN to PHL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Denver to Philadelphia
Best Price Found | $71 |
|---|---|
Fastest flight time | 3h 29m |
Direct flights | Every day |
Airports in Philadelphia | 1 airport |
How far is Denver Intl to Philadelphia by plane?
Denver Intl and Philadelphia are 1574.0 mi apart from one another. Typically, this will take 3h 29m by plane in normal conditions.
When did momondo last update prices for flights from Denver Intl Airport to Philadelphia Airport?
Prices for flights from Denver Intl Airport to Philadelphia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Philadelphia Airport?
There are 5 operators available for flights from Denver Intl Airport to Philadelphia Airport as of June 2025.
How old do you have to be to fly from Denver Intl Airport to Philadelphia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Denver to Philadelphia?
momondo data reveals that the most frequently booked plane model on the route from Denver to Philadelphia is Boeing 737-800, representing 20.76% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 18.63%, Airbus A320-100/200 at 10.37%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 10.33%.
What is the most popular airline from Denver to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Denver to Philadelphia is Frontier, representing 42% of all bookings. The subsequent popular airlines are American Airlines at 34%, United Airlines at 14%, and Southwest at 10%.
Best airlines flying from Denver to Philadelphia
Compare and see reviews for airlines that fly from Denver to Philadelphia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $91 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $199 | Free Cancellation | Rating 8.0 4,287 reviews |
Southwest Flights From Denver to Philadelphia
Southwest flight deals from Denver to Philadelphia start from $199 round-trip. Over the 15 Southwest flights for this route in a normal week, average airfare is usually $355 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Denver to Philadelphia
$188 is the best United Airlines flight deal from Denver to Philadelphia found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $437, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,790 user reviews) flies into Philadelphia from Denver 19 times in an average week so prices can vary.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Denver to Philadelphia?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Philadelphia from Denver.
Can I find flights from Denver to Philadelphia with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Denver to Philadelphia flights to just show those with flexible booking policies.
How can momondo help me find flights from Denver to Philadelphia?
Once you have performed a search for Denver to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Denver to Philadelphia right now. Can momondo alert me if prices change?
Price alerts on flights to Philadelphia from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.