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£416+ 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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
— PHL
13 Mar — 20 Mar1
1 adult

Flights to Philadelphia in 2025

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 8 March 2025.

Return from

£439

One-way from

£416

Popular in

August

Cheapest in

February

Average price

£525

Good round-trip deal

£563 or less

Good one-way deal

£596 or less
1/5-16/5
  • 1/5-16/5
  • 2 total stops
  • 38h 36m total
  • London to Philadelphia
22/4
  • 22/4
  • 3 total stops
  • 30h 37m total
  • London to Philadelphia
Highest demand for flights based on searches. 10% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Average for return flights in March 2025
Price to beat on a round-trip flight from London to Philadelphia.
Price to beat on a one-way flight from London to Philadelphia.

Find flight deals to Philadelphia

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 8 March 2025.

Thu 1/510:00LGW - PHL
1 stop19h 26mMultiple Airlines
Fri 16/506:45PHL - LGW
1 stop19h 10mMultiple Airlines
Deal found 7/3£439
Wed 26/310:15LHR - PHL
Nonstop7h 55mFinnair
Mon 31/313:40PHL - LHR
1 stop15h 10mFinnair
Deal found 7/3£442
Mon 28/407:50LHR - PHL
1 stop13h 05mAmerican Airlines
Wed 7/514:00PHL - LHR
1 stop11h 15mAmerican Airlines
Deal found 7/3£449
Thu 4/913:30LHR - PHL
2 stops13h 57mUnited Airlines
Sat 27/915:20PHL - LHR
1 stop10h 10mUnited Airlines
Deal found 7/3£451
Sat 19/412:05LHR - PHL
1 stop32h 38mLufthansa
Mon 28/417:35PHL - LHR
1 stop18h 05mLufthansa
Deal found 7/3£455
Sun 14/908:25LHR - PHL
1 stop30h 15mIcelandair
Tue 30/906:30PHL - LHR
1 stop19h 00mIcelandair
Deal found 7/3£456
Tue 18/308:15LHR - PHL
1 stop13h 05mBritish Airways
Wed 26/319:00PHL - LHR
1 stop8h 50mBritish Airways
Deal found 7/3£477
Thu 1/516:30LHR - PHL
1 stop28h 30mMultiple Airlines
Fri 16/516:50PHL - LHR
1 stop14h 00mMultiple Airlines
Deal found 7/3£478
Mon 17/315:00LHR - PHL
1 stop27h 50mAir Canada
Mon 24/315:30PHL - LHR
1 stop11h 40mAir Canada
Deal found 7/3£479
Sat 7/612:10LGW - PHL
1 stop16h 17mIcelandair
Thu 17/710:25PHL - LGW
1 stop18h 10mIcelandair
Deal found 8/3£479
Mon 17/311:30LHR - PHL
2 stops15h 46mVirgin Atlantic
Mon 24/316:50PHL - LHR
1 stop10h 00mVirgin Atlantic
Deal found 7/3£483
Fri 25/408:55LCY - PHL
1 stop12h 05mLufthansa
Mon 28/417:35PHL - LCY
1 stop17h 50mLufthansa
Deal found 8/3£496

Find flights to Philadelphia within your budget

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 8 March 2025.

Fly from

London

Route

Depart

Return

Price

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Thu 1/5

10:00-00:26

1 stop19h 26m

Philadelphia

Fri 16/5

06:45-06:55

1 stop19h 10m

£439

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 26/3

10:15-14:10

Nonstop7h 55m

Philadelphia

Mon 31/3

13:40-09:50

1 stop15h 10m

£442

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 28/4

07:50-15:55

1 stop13h 05m

Philadelphia

Wed 7/5

14:00-06:15

1 stop11h 15m

£449

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 4/9

13:30-22:27

2 stops13h 57m

Philadelphia

Sat 27/9

15:20-06:30

1 stop10h 10m

£451

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 19/4

12:05-15:43

1 stop32h 38m

Philadelphia

Mon 28/4

17:35-16:40

1 stop18h 05m

£455

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 18/3

08:15-17:20

1 stop13h 05m

Philadelphia

Wed 26/3

19:00-07:50

1 stop8h 50m

£477

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 1/5

16:30-16:00

1 stop28h 30m

Philadelphia

Fri 16/5

16:50-11:50

1 stop14h 00m

£478

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Sat 7/6

12:10-23:27

1 stop16h 17m

Philadelphia

Thu 17/7

10:25-09:35

1 stop18h 10m

£479

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 22/4

08:25-21:15

1 stop17h 50m

Philadelphia

Tue 29/4

08:34-06:30

1 stop16h 56m

£483

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 9/6

06:50-14:33

2 stops12h 43m

Philadelphia

Fri 20/6

15:20-10:00

1 stop13h 40m

£486

Flights are sorted by cheapest return flights first.

Deals found on 7/3

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.

Travel insights for flights to Philadelphia

Get recent, data-driven insights about flights to Philadelphia including ideal travel times, pricing trends, and more.

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 February 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 66 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 15 hours 11 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.

What are the cheapest airlines that fly to Philadelphia?

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

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 8 March 2025.
To help decide which airline to fly to Philadelphia, see what other customers have to say about Delta, Finnair and Austrian Airlines. 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.

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very Good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 8 flights from London to Philadelphia per day from 12 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, Icelandair 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 £49, while return flights cost around £21.

  • How much is a return flight to Philadelphia?

    A return flight to Philadelphia will typically cost around £48, however they can be found for as little as £28.

  • 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 10 minutes).

  • Which airport is closest to University of Pennsylvania?

    f being close to University of Pennsylvania is important to you, you’ll want to land at Philadelphia 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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