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£176+ Cheap flights to Philadelphia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
— PHL
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Philadelphia in 2025

Enter your travel dates to find the best prices.

Cheapest flights to Philadelphia
Explore the most affordable flight options available to Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 4 December 2025.

Wed 10/1207:20LHR - PHL
1 stop12h 55mAmerican Airlines
Thu 25/1213:41PHL - LHR
1 stop11h 09mAmerican Airlines
Deal found 1/12£541
Mon 29/1208:15LHR - PHL
1 stop12h 20mBritish Airways
Mon 12/118:59PHL - LHR
1 stop31h 01mBritish Airways
Deal found 1/12£542
Wed 10/1210:05LHR - PHL
Nonstop8h 00mBritish Airways
Thu 25/1208:25PHL - LHR
1 stop21h 50mBritish Airways
Deal found 1/12£546
Tue 16/1206:30LHR - PHL
1 stop14h 30mBritish Airways
Thu 25/1208:25PHL - LHR
1 stop21h 50mBritish Airways
Deal found 1/12£546
Wed 24/1208:30LHR - PHL
2 stops20h 00mUnited Airlines
Sat 17/107:50PHL - LHR
2 stops55h 45mUnited Airlines
Deal found 1/12£549
Wed 24/1215:30LHR - PHL
1 stop29h 35mUnited Airlines
Wed 14/107:50PHL - LHR
2 stops31h 45mUnited Airlines
Deal found 1/12£551
Tue 16/1206:35LHR - PHL
2 stops14h 30mLufthansa
Thu 15/117:40PHL - LHR
1 stop14h 10mLufthansa
Deal found 2/12£552
Thu 11/1210:05LHR - PHL
Nonstop8h 00mFinnair
Sat 13/1221:20PHL - LHR
1 stop28h 40mFinnair
Deal found 1/12£553
Mon 8/1206:50LCY - PHL
1 stop12h 10mMultiple Airlines
Mon 15/1219:56PHL - LCY
1 stop13h 39mMultiple Airlines
Deal found 1/12£559
Tue 16/1209:00LHR - PHL
2 stops17h 10mMultiple Airlines
Thu 15/117:40PHL - LHR
1 stop11h 05mMultiple Airlines
Deal found 1/12£561
Thu 11/1214:00LGW - PHL
1 stop14h 34mMultiple Airlines
Sat 13/1214:06PHL - LGW
1 stop14h 59mMultiple Airlines
Deal found 1/12£561
Wed 10/1206:50LCY - PHL
1 stop14h 10mBritish Airways
Thu 25/1221:15PHL - LCY
1 stop16h 05mBritish Airways
Deal found 1/12£568

Find flight deals to Philadelphia

Find the latest flights to Philadelphia in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 4 December 2025.

Return from

£540

One-way from

£176

Popular in

December

Cheapest in

February

Average price

£695

Good round-trip deal

£598 or less

Good one-way deal

£505 or less
British Airways
  • British Airways
  • 22/1-26/1
  • 2 total stops
  • 30h 30m total
  • London to Philadelphia
Search Deals
15/1
  • 15/1
  • 1 total stop
  • 15h 35m total
  • London to Philadelphia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals
Price to beat on a round-trip flight from London to Philadelphia.
Search Deals
Price to beat on a one-way flight from London to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Locate flights to Philadelphia that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 4 December 2025.
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Fri 30/1

06:50-14:05

1 stop12h 15m

Philadelphia

Mon 9/2

21:25-12:40

1 stop10h 15m

£546

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 4/2

18:25-14:50

3 stops25h 25m

Philadelphia

Mon 9/2

15:30-22:40

2 stops26h 10m

£548

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Mon 12/1

06:50-14:05

1 stop12h 15m

Philadelphia

Tue 20/1

21:25-12:40

1 stop10h 15m

£555

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Wed 4/2

06:50-14:05

1 stop12h 15m

Philadelphia

Mon 9/2

21:25-12:40

1 stop10h 15m

£556

LondonPhiladelphia

STN - PHL

STNPHL

London Stansted

Wed 18/2

20:40-18:26

2 stops50h 46m

Philadelphia

Sun 1/3

17:30-07:50

1 stop9h 20m

£558

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Thu 22/1

08:50-14:05

2 stops34h 15m

Philadelphia

Mon 26/1

21:25-12:40

1 stop10h 15m

£561

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 6/2

16:40-18:23

2 stops30h 43m

Philadelphia

Mon 9/2

08:40-09:50

2 stops20h 10m

£567

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Mon 16/2

14:00-19:46

1 stop34h 46m

Philadelphia

Mon 9/3

17:01-10:00

1 stop12h 59m

£567

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Thu 29/1

06:50-14:05

1 stop12h 15m

Philadelphia

Sun 8/2

21:25-12:40

1 stop10h 15m

£570

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Fri 16/1

16:40-18:38

2 stops30h 58m

Philadelphia

Fri 23/1

13:30-08:20

3 stops37h 50m

£572

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 60 results
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Best time to book a flight to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Philadelphia

When is the best time to book a flight to Philadelphia?

Use this chart to determine the optimal time to book a return flight from London to Philadelphia. Price data was last updated on 28 November 2025.

The price you pay for your flight to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Philadelphia?

On average, a flight from London to Philadelphia takes 12 hours 52 minutes. Flights to Philadelphia from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Philadelphia?

Use this chart to determine the cheapest time to fly return from London to Philadelphia. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Philadelphia should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday evenings, when prices are usually at their highest.

Weekly flight availability to Philadelphia

The most flights from London to Philadelphia are scheduled on a Wednesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

What are the most popular airlines that fly to Philadelphia?

The most popular airlines flying from London to Philadelphia are British Airways, Finnair and Aer Lingus.

British Airways
British Airways
From £404
Aer Lingus
Aer Lingus
From £430
Finnair
Finnair
From £449
Iberia
Iberia
From £459

What are the cheapest airlines that fly to Philadelphia?

The cheapest airlines flying from London to Philadelphia are United Airlines, Air Canada and JetBlue.

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated 4 December 2025.
Read through reviews of airlines serving the United States, such as Finnair, United Airlines, andAer Lingus. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
9,064 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Aer Lingus
7.2
Good
1,384 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Iberia
7.0
Good
3,038 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,557 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Boarding

7.6

Crew

8.1

Comfort

7.4

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

FAQs about flying to Philadelphia

Philadelphia climate

Icy cold winters and extremely humid summers make spring and autumn the best time to take flights to Philadelphia. If you can handle the crowds, Philadelphia goes wild every 4th of July (Independence Day) with fireworks and city-wide celebrations.

Getting around Philadelphia

A quick and easy way to get around the city centre is the Phlash, Philadelphia’s gas-engine trolley. It’s a convenient way to get to Independence Visitor Centre, Penn’s Landing and the Philadelphia Museum of Art. The trolley runs every day and can be boarded every 12 minutes at very affordable rates. It also provides direct connections to rail lines.

Getting from the Airport to the City

The main airport for travellers taking flights to Philadelphia is Philadelphia International Airport (PHL). There is a shuttle available from the airport and transfer time is about 30 minutes. Car rental companies operate at the airport as well as limousine service.

What is good to know if travelling to Philadelphia?

  • National Park Service rangers invite you to the Edgar Allan Poe National Historic Site which commemorates Poe’s mysterious death on October 7, 1849. A series of special programs leading up to Halloween explore the famous author’s themes of madness, revenge, premature burial and death.
  • Located across from the Liberty Bell and Independence Hall in Independence National Historical Park, the Independence Visitor Centre provides a free orientation to the culture, history, shopping and dining throughout the Greater Philadelphia region.
  • Plan a visit to the National Constitution Centre where you can explore the Interactive Constitution, a clause-by-clause explanation of the Constitution, providing easy access to basic constitutional facts and interpretation, and searchable by key words and Supreme Court cases.
  • Be sure to visit the Philadelphia Stock Exchange (PHLX) which is the oldest stock exchange in the United States.
  • Celebrating more than 100 years of Gilbert and Sullivan and located in Philadelphia, the Savoy Company is the oldest amateur theatre company in the world dedicated solely to the production of the works of Gilbert and Sullivan.

Philadelphia airport overview

Philadelphia International Airport is the largest airport in Pennsylvania and an international hub for US Airways. It’s also the main gateway to Philadelphia and Pennsylvania generally.

Philadelphia itself, affectionately known as Philly, is often referred to as “the Birthplace of America”. With a rich and varied history, it’s the fifth-largest city in the US, and has a metropolitan area spanning 12 counties. As a result the atmosphere, architecture and demographic varies quite widely depending on which area you travel to, from up-market art and design centres and historic quarters to working-class areas and quiet, leafy suburbs.

The airport is one of the busiest in the world. It has seven terminals, two of which are international terminals, and more than 160 shops and eateries. The immigration counters are notorious for being understaffed and poorly organised and long queues are common, so if you’re catching a connecting flight, make sure you arrive well in advance.

  • What airport do you fly into for flights to Philadelphia?

    If you book a flight to Philadelphia, you will be flying into Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 5 flights from London to Philadelphia per day from 10 different airlines.

  • Can I find cheaper flights to Philadelphia if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Philadelphia on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Philadelphia?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Philadelphia.

  • What is the cheapest airport to fly to in Philadelphia?

    Philadelphia is currently the cheapest airport to fly to in Philadelphia. One-way flights to Philadelphia typically cost £52, while return flights cost around £42.

  • How much is a return flight to Philadelphia?

    A return flight to Philadelphia will typically cost around £187, however they can be found for as little as £42.

  • Where does the fastest flight to Philadelphia depart from?

    For those looking to save time traveling to Philadelphia, Edinburgh Turnhouse offers the quickest one-way flight (7 hours 20 minutes).

  • Which airport is closest to Philadelphia Museum of Art?

    f being close to Philadelphia Museum of Art is important to you, you’ll want to land at New York John F Kennedy Intl Airport.

  • Does Philadelphia have car hire?

    Yes. Those touching down at Philadelphia can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Philadelphia?

    Yes. Philadelphia has hotels nearby for those requiring accommodations. Philadelphia Airport Marriott is the closest property to Philadelphia (0.0 mi away from Philadelphia).

See more FAQs

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