$24 Cheap Flights to Philadelphia, PA

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Find available prices by choosing your travel dates.

How much is the cheapest flight to Philadelphia?

Prices were available within the past 7 days and start at $24 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Spirit Airlines
JetBlue Airways
American Airlines
United

Tips to find the cheapest flights to Philadelphia

The cheapest day to fly

Get started finding a cheap flight to Philadelphia on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

March is the cheapest month to fly to Philadelphia. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Philadelphia. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Philadelphia, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Philadelphia

The lowest price for round-trip flights to Philadelphia in 2025 starts from from $43, while one-way tickets start from from $24. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Philadelphia. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Philadelphia

Spirit Airlines, Frontier Airlines, American Airlines, Delta, JetBlue Airways, United are just some of the airlines that can typically offer cheap tickets to Philadelphia. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Philadelphia and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Philadelphia, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Philadelphia. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Philadelphia plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Philadelphia

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Philadelphia.

Stopover savings

The cheapest tickets to Philadelphia are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Philadelphia. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Philadelphia for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Philadelphia. Simply download the free Expedia app to your smart device and activate Philadelphia flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Philadelphia. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to Philadelphia?
Flights to Philadelphia are generally the cheapest in March *. You could snap up a great deal for fares during this month if you keep your eyes peeled.*Cheapest month to fly is based on the month with the cheapest flight found on Expedia.com in the next 330 days.
Which US cities have the cheapest flights to Philadelphia?
Chicago, Atlanta and Boston usually offer cheap flights to Philadelphia. Bear in mind that fares vary based on factors like holiday periods, number of stopovers and demand.
Which US cities fly direct to Philadelphia?
There are 77 US cities that you can fly to Philadelphia directly from. Compare your options by selecting the “Direct flights only” box on Expedia and choose the best starting point for you. Here are a handful of the leading cities to jet off from:

  • Chicago
  • Atlanta
  • Boston
  • Orlando
  • Charlotte

How to find a cheap flight to Philadelphia?
Book well in advance or search for a cheap flight to Philadelphia during off-peak months like January and February. Jetting off on a Thursday could also save you 16% on average compared to a Sunday departure.* The Expedia app makes it even easier to know when to book. Just activate the toggle for “Watch prices” and you’ll receive a notification as soon as fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation’s (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Philadelphia?
You can find good deals on last-minute flights to Philadelphia, especially if your plans are flexible. Consider your options for departing from a different airport, changing your trip dates or picking another airline to get a cheap flight to Philadelphia.
How far in advance should I book a flight to Philadelphia?
Find the travel dates you want and a fare that’s easy on your pocket by booking your domestic flight to Philadelphia up to 28 days in advance. Search for tickets between two and four months ahead if you’re headed to Philadelphia from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation’s (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Philadelphia?
Sundays are generally the best day to book a cheap flight to Philadelphia, with savings of around 8% on average compared to a Friday. If you choose to purchase on a Friday, expect to spend more as this is often the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation’s (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Philadelphia?
Philadelphia is connected to 105 airports globally through 13 carriers, with Philadelphia Intl. Airport (PHL) as its chief entry point. Pick from these major airlines to Philadelphia when organizing your journey:

  • American Airlines
  • Delta Air Lines
  • United Airlines
  • Frontier Airlines

Where do you fly into Philadelphia?
The main hub when you fly to Philadelphia is Philadelphia Intl. Airport (PHL), but there are other nearby options like Atlantic City Intl. Airport (ACY) and Lehigh Valley Intl. Airport (ABE). You can also arrive at Northeast Philadelphia Airport (PNE) and Wings Field Airport (BBX) when flying to Philadelphia.
How far is the airport from central Philadelphia?
You’ll be about 7 mi southwest of central Philadelphia after jetting into Philadelphia Intl. Airport (PHL).
Can I save money by booking a Philadelphia trip package?
Bundle your hotel and flight and you could save hundreds of dollars. What’s more, you can add extras like tours and car rentals to your Philadelphia flight and hotel package deal. With Expedia, it’s easy to look after all your Philadelphia travel plans in the same place.
Can I change or cancel my flight to Philadelphia?
You can usually cancel or change your flight to Philadelphia within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may be issued credit for a future trip rather than a direct refund. Make sure you check the airline’s terms and conditions in your itinerary for exact details. Use Expedia’s “Changes included” or “No cancel fee” filters when you search to find cheap flights to Philadelphia with flexible change policies. To learn more, visit our Customer Service Portal.
Flights to Philadelphia information
Destination airport
Mercer
Destination airport IATA code
TTN
Destination city name
Trenton
Roundtrip price
$42

Trending flights to Philadelphia

Prices were available within the past 7 days and start at $24 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
*Available to One Key members.