£297+ Cheap flights to Philadelphia

— PHL
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to Philadelphia in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Philadelphia

Mon 7/1206:00 -
2 stops21h 36m
Mon 14/1209:15 -
2 stops16h 55m
Deal found 8/11£594
Wed 25/1106:00 -
2 stops21h 36m
Wed 2/1209:15 -
2 stops30h 45m
Deal found 7/11£596
Sun 22/1106:00 -
2 stops21h 36m
Mon 7/1209:15 -
2 stops16h 55m
Deal found 7/11£597
Wed 18/1109:50 -
1 stop19h 45m
Thu 26/1105:05 -
2 stops20h 45m
Deal found 7/11£597
Fri 4/1206:45 -
1 stop14h 25m
Tue 8/1217:40 -
1 stop9h 35m
Deal found 9/11£600
Tue 24/1109:00 -
2 stops18h 36m
Tue 1/1209:15 -
2 stops30h 45m
Deal found 6/11£600
Wed 25/1120:40 -
2 stops24h 41m
Wed 2/1209:15 -
2 stops29h 45m
Deal found 7/11£600
Tue 24/1106:00 -
2 stops21h 36m
Tue 8/1217:05 -
2 stops33h 05m
Deal found 5/11£601
Wed 18/1109:50 -
2 stops28h 35m
Mon 7/1216:16 -
3 stops19h 04m
Deal found 6/11£601
Wed 2/1220:25 -
2 stops31h 44m
Wed 9/1212:01 -
3 stops23h 04m
Deal found 8/11£602
Tue 24/1106:50 -
2 stops12h 49m
Wed 25/1109:15 -
2 stops16h 55m
Deal found 7/11£603
Thu 19/1111:00 -
1 stop18h 35m
Mon 7/1208:40 -
3 stops20h 10m
Deal found 5/11£605

Find flight deals to Philadelphia

Return from

£591

One-way from

£297

Popular in

August

Cheapest in

January

Average price

£686

Good round-trip deal

£615 or less

Good one-way deal

£485 or less
Air Canada
  • Air Canada
  • 3/12-6/12
  • 4 total stops
  • 49h 21m total
  • London to Philadelphia
26/11-31/12
  • 26/11-31/12
  • 1 total stop
  • 18h 53m total
  • London to Philadelphia
Highest demand for flights based on searches. 9% potential increase in price (£76 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Average for return flights in November 2026
Price to beat on a round-trip flight from London to Philadelphia.
Price to beat on a one-way flight from London to Philadelphia.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Philadelphia that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Tue 2/3

20:45-09:36

3 stops41h 51m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£317

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 7/1

10:35-17:51

1 stop36h 16m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£321

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 10/12

09:00-21:07

3 stops41h 07m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£334

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Wed 2/12

15:05-09:02

2 stops46h 57m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£348

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 22/11

09:40-23:01

1 stop18h 21m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Thu 7/1

18:15-18:15

3 stops53h 00m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£372

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Thu 10/12

15:55-09:04

2 stops46h 09m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£383

LondonPhiladelphia

STN London Stansted - PHL Philadelphia

STNPHL

London Stansted

Mon 1/3

10:05-16:10

2 stops35h 05m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£389

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Tue 2/3

19:30-16:10

1 stop25h 40m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£392

LondonPhiladelphia

LGW London Gatwick - PHL Philadelphia

LGWPHL

London Gatwick

Sun 15/11

09:40-09:30

1 stop28h 50m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£392

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight to Philadelphia

How long is the flight to Philadelphia?

On average, a flight from London to Philadelphia takes 11 hours 2 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.

Weekly flight availability to Philadelphia

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

What are the cheapest airlines that fly to Philadelphia?

The cheapest airlines flying from London to Philadelphia are JetBlue, American Airlines and Finnair.

Rainfall in Philadelphia 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

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).

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

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 11 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Philadelphia

Read through reviews of airlines serving the United States, such as Finnair,Aer Lingus, andJetBlue. 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.

Food

6.7

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Food

6.7

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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 10 flights from London to Philadelphia per day from 7 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, Finnair 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 £57, while return flights cost around £26.

  • How much is a return flight to Philadelphia?

    A return flight to Philadelphia will typically cost around £28, however they can be found for as little as £26.

  • 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 30 minutes).

  • 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

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
King of Prussia
Middletown

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