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137 € Cheap Flights from Buffalo Niagara to Philadelphia International

Compare Buffalo Niagara to Philadelphia International flight deals

Find the cheapest month or even day of the year to fly to Philadelphia International

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Flight deals from Buffalo Niagara to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Philadelphia International Airport? If you want to travel next month, return fares start from 137 €. Find the lowest prices on one-way and return tickets right here.
Philadelphia.137 € per passenger.Departing Fri, 14 Aug, returning Mon, 17 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 14 Aug, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 17 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From 137 €, select.
Philadelphia.142 € per passenger.Departing Fri, 28 Aug, returning Sat, 5 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 28 Aug, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 5 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From 142 €, select.
Philadelphia.146 € per passenger.Departing Sat, 5 Sep, returning Sat, 12 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 5 Sep, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sat, 12 Sep, arriving in Buffalo Niagara.Price includes taxes and charges.From 146 €, select.
Philadelphia.146 € per passenger.Departing Fri, 9 Oct, returning Fri, 16 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 9 Oct, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Fri, 16 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 146 €, select.
Philadelphia.207 € per passenger.Departing Fri, 30 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 30 Oct, arriving in Philadelphia International.Inbound indirect flight with Allegiant Air, departs from Philadelphia International on Mon, 2 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From 207 €, select.
Philadelphia.271 € per passenger.Departing Thu, 30 Jul, returning Sun, 2 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 30 Jul, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Sun, 2 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From 271 €, select.
Philadelphia.299 € per passenger.Departing Tue, 21 Jul, returning Thu, 23 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 21 Jul, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 23 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From 299 €, select.
Philadelphia.385 € per passenger.Departing Wed, 20 Jan, returning Wed, 27 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Wed, 20 Jan, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Wed, 27 Jan, arriving in Buffalo Niagara.Price includes taxes and charges.From 385 €, select.
Philadelphia.386 € per passenger.Departing Sat, 14 Nov, returning Sat, 21 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Sat, 14 Nov, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Sat, 21 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From 386 €, select.
Philadelphia.430 € per passenger.Departing Fri, 18 Dec, returning Sun, 20 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Fri, 18 Dec, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Sun, 20 Dec, arriving in Buffalo Niagara.Price includes taxes and charges.From 430 €, select.
Philadelphia.439 € per passenger.Departing Fri, 26 Mar, returning Thu, 8 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Fri, 26 Mar, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Thu, 8 Apr, arriving in Buffalo Niagara.Price includes taxes and charges.From 439 €, select.
Philadelphia.440 € per passenger.Departing Fri, 2 Apr, returning Sun, 4 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Fri, 2 Apr, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Sun, 4 Apr, arriving in Buffalo Niagara.Price includes taxes and charges.From 440 €, select.

Find the cheapest month to fly from Buffalo Niagara to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Philadelphia International flights are currently cheapest in August.
Jul
from 299 €
Aug
from 137 €
Sep
from 146 €
Oct
from 146 €
Nov
from 386 €
Dec
from 430 €
Jan
from 385 €
Feb
Find prices
Mar
Find prices
Apr
from 440 €
May
Find prices
Jun
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Direct flights from Buffalo Niagara to Philadelphia International

Buffalo Niagara to Philadelphia International: Alternative routes

Compare routes from Buffalo Niagara to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

Philadelphia International

11km from central Philadelphia
ClosestCheapest
from 137 €
Search flights

Philadelphia Trenton-Mercer

47km from central Philadelphia
from 209 €
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Greater Wilmington

49km from central Philadelphia
Search flights

Atlantic City International

75km from central Philadelphia
from 263 €
Search flights

Allentown

81km from central Philadelphia
from 298 €
Search flights

Buffalo to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found137 €
Cheapest month to flyAugust
Average flight time1 hr, 29 mins
Most popular airlineAmerican Airlines
Average flights per week98

Finding cheap flights from Buffalo Niagara to Philadelphia International: Frequently asked questions

The best price we found for a return flight from Buffalo Niagara to Philadelphia International is 137 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 29 minutes is the average flight time from Buffalo Niagara to Philadelphia International.
American Airlines, Piedmont Airlines and Qatar Airways fly direct from Buffalo Niagara to Philadelphia International.
As of July 2026, there are 98 flights per week flying from Buffalo Niagara to Philadelphia International.
The cheapest month to fly from Buffalo Niagara to Philadelphia International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Philadelphia International Airport on Friday, 14 August 2026.
Yes – the average flight time is 1 hour and 29 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia International.

Travelling from Buffalo Niagara Airport (BUF) to Philadelphia International Airport (PHL): what you need to know

  • Book a direct flight from Buffalo Niagara Airport to Philadelphia International Airport and you'll be travelling for an average of 1 hour 30 minutes.

  • Buffalo and Philadelphia follow the same timezone, UTC-5.

  • Every week, there are 27 Buffalo Niagara Airport to Philadelphia International Airport flights. If you prefer to take off as soon as possible, pick the 05:30 American Airlines flight. If you're eager to make the most of your time before you fly, the latest flight is at 18:49 with American Airlines.

  • Give yourself plenty of time to catch your BUF to PHL flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as August, you'll want to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during peak periods in general.

  • Flying into Philadelphia (and then exploring more of the United States!) is a breeze with American Airlines. This popular carrier offers direct flights from Buffalo Niagara Airport to Philadelphia International Airport.

  • The airline that serves the most passengers on this route is American Airlines.

  • The most punctual carrier offering BUF to PHL flights is American Airlines. Its services arrive without delay 72.9% of the time.

  • Consider adding a stopover when booking your ticket from Buffalo Niagara Airport to Philadelphia International Airport. Just deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between BUF and PHL:

    • New York Newark Airport

    • Washington Ronald Reagan Airport

    • Washington Dulles Airport

Handy information about Buffalo Niagara Airport (BUF)

  • You'll find BUF at Genesee Street.

  • 74% of flights departing from Buffalo Niagara Airport make it to their destination on time.

  • To get to Buffalo Niagara Airport from central Buffalo, it'll take around 20 minutes by car. Of course, this depends on traffic. It's approximately 16 kilometres from the airport to the city centre.

  • The journey when using public transport will take about 40 minutes.

  • Looking for a convenient hotel near BUF? If you're boarding an early flight from Buffalo Niagara Airport to Philadelphia International Airport, these accommodation options will have you moments from check-in:

Arriving at Philadelphia International Airport (PHL)

When to fly to Philadelphia International Airport (PHL)

  • The quietest month for a flight from Buffalo Niagara Airport to Philadelphia International Airport is March, while August is the most popular. Pick the ideal time to visit Philadelphia based on whether you prefer a faster pace or a more relaxed vibe.

  • When reserving your flight from Buffalo Niagara Airport to Philadelphia International Airport, consider the type of weather you like. July is the warmest month in Philadelphia, with the temperature ranging from 18ºC (64ºF) to 32ºC (90ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from BUF to PHL in January. Average temperatures are between -7ºC (19ºF) and 9ºC (48ºF) then.

Explore more of the United States

  • New York is just one of the many cities in the United States waiting to be discovered after you've seen Philadelphia. Around 129 kilometres away to the north-east, popular attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • If you're interested in discovering another great destination in the United States, consider Boston, roughly 434 kilometres north-east of Philadelphia. Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.