£417+ 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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
— PHL
22 May — 29 May1
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
Explore the most affordable flight options available to Philadelphia. Find the lowest fares based on data from user searches, with prices last updated on 22 April 2026.

Wed 30/908:40
LHR
-
PHL
2 stops35h 07m
Air Canada
Tue 20/1016:20
PHL
-
LHR
2 stops23h 40m
Air Canada
Deal found 21/4£579
Fri 29/514:00
LGW
-
PHL
1 stop23h 54m
Multiple Airlines
Thu 11/607:20
PHL
-
LGW
2 stops21h 40m
Multiple Airlines
Deal found 20/4£579
Mon 11/508:40
LHR
-
PHL
1 stop13h 58m
JetBlue
Tue 26/509:21
PHL
-
LHR
1 stop16h 09m
JetBlue
Deal found 17/4£579
Tue 22/908:40
LHR
-
PHL
1 stop14h 24m
JetBlue
Mon 28/915:25
PHL
-
LHR
1 stop10h 05m
JetBlue
Deal found 20/4£580
Mon 4/508:40
LHR
-
PHL
2 stops17h 53m
Air Canada
Mon 11/510:25
PHL
-
LHR
2 stops29h 35m
Air Canada
Deal found 18/4£581
Mon 2/1109:20
LHR
-
PHL
1 stop18h 16m
JetBlue
Wed 20/113:30
PHL
-
LHR
1 stop12h 25m
JetBlue
Deal found 17/4£582
Wed 23/908:40
LHR
-
PHL
2 stops17h 52m
Air Canada
Mon 28/907:00
PHL
-
LHR
2 stops22h 00m
Air Canada
Deal found 20/4£583
Wed 3/608:50
LHR
-
PHL
1 stop15h 05m
Aer Lingus
Wed 10/620:25
PHL
-
LHR
1 stop12h 05m
Aer Lingus
Deal found 19/4£584
Tue 2/608:40
LHR
-
PHL
1 stop15h 12m
JetBlue
Wed 1/708:28
PHL
-
LHR
1 stop17h 02m
JetBlue
Deal found 21/4£585
Thu 4/614:00
LGW
-
PHL
1 stop15h 40m
Multiple Airlines
Sat 6/621:16
PHL
-
LGW
1 stop31h 44m
Multiple Airlines
Deal found 19/4£585
Mon 11/509:30
LHR
-
PHL
1 stop11h 35m
Lufthansa
Sat 16/515:25
PHL
-
LHR
2 stops36h 10m
Lufthansa
Deal found 19/4£585
Tue 23/614:00
LGW
-
PHL
1 stop15h 44m
Multiple Airlines
Tue 14/706:42
PHL
-
LGW
1 stop22h 18m
Multiple Airlines
Deal found 21/4£585

Find flight deals to Philadelphia

Find the latest flights to Philadelphia in 2026, 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 22 April 2026.

Return from

£579

One-way from

£417

Popular in

December

Cheapest in

September

Average price

£624

Good round-trip deal

£626 or less

Good one-way deal

£480 or less
Air Canada
  • Air Canada
  • 30/9-20/10
  • 4 total stops
  • 58h 47m total
  • London to Philadelphia
24/5
  • 24/5
  • 3 total stops
  • 43h 07m total
  • London to Philadelphia
Highest demand for flights based on searches. 0% potential increase in price (£4 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Average for return flights in April 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

 
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 22 April 2026.
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 - PHL

STNPHL

London Stansted

Thu 4/6

08:30-18:55

1 stop15h 25m

Philadelphia

Thu 11/6

20:25-19:35

1 stop18h 10m

£612

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Mon 14/9

09:15-16:05

1 stop11h 50m

Philadelphia

Mon 21/9

17:40-17:55

1 stop19h 15m

£645

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 23/9

14:30-13:30

1 stop28h 00m

Philadelphia

Sun 27/9

15:30-06:50

1 stop34h 20m

£648

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 11/5

07:30-16:05

1 stop13h 35m

Philadelphia

Mon 18/5

15:25-10:00

1 stop13h 35m

£650

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 18/5

07:30-16:05

1 stop13h 35m

Philadelphia

Mon 25/5

15:10-06:55

1 stop10h 45m

£656

LondonPhiladelphia

LGW - PHL

LGWPHL

London Gatwick

Wed 23/9

10:35-09:50

2 stops28h 15m

Philadelphia

Sun 27/9

06:00-09:45

2 stops22h 45m

£667

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Wed 20/5

09:15-16:05

1 stop11h 50m

Philadelphia

Wed 27/5

17:40-17:55

1 stop19h 15m

£673

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Tue 2/6

09:15-16:05

1 stop11h 50m

Philadelphia

Tue 9/6

17:40-17:55

1 stop19h 15m

£674

LondonPhiladelphia

LCY - PHL

LCYPHL

London City

Thu 1/10

09:15-16:05

1 stop11h 50m

Philadelphia

Mon 19/10

17:40-17:55

1 stop19h 15m

£675

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Sat 6/6

06:55-09:45

2 stops31h 50m

Philadelphia

Mon 22/6

06:10-06:30

2 stops19h 20m

£687

Flights are sorted by cheapest return flights first.

Deals found on 20/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 17 April 2026.

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 12 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 39 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 (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

What are the cheapest airlines that fly to Philadelphia?

The cheapest airlines flying from London to Philadelphia are United Airlines, Lufthansa 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 22 April 2026.
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.

Boarding

7.7

Overall

7.7

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Boarding

7.7

Overall

7.7

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Boarding

7.7

Overall

7.7

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Boarding

7.7

Overall

7.7

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Boarding

7.7

Overall

7.7

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Boarding

7.7

Overall

7.7

Crew

8.2

Entertainment

6.9

Food

6.7

Comfort

7.4

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 15 flights from London to Philadelphia per day from 9 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 £66, while return flights cost around £168.

  • How much is a return flight to Philadelphia?

    A return flight to Philadelphia will typically cost around £170, however they can be found for as little as £168.

  • 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 15 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Philadelphia?

When you search for this flight to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to Philadelphia?

Cheapflights simply makes it quick and affordable to book flights to Philadelphia by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights to Philadelphia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Philadelphia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights to Philadelphia become cheaper?

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.