Direct flights to Philadelphia | Cheapflights

Find flight deals to Philadelphia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 5 March 2026.

Tue 5/513:45

LHR

-

PHL

Nonstop7h 55m

British Airways

Tue 2/618:45

PHL

-

LHR

Nonstop7h 05m

British Airways

Deal found 3/3£485

Mon 13/412:30

LHR

-

PHL

Nonstop8h 00m

British Airways

Thu 23/422:05

PHL

-

LHR

Nonstop7h 15m

British Airways

Deal found 4/3£529

Tue 21/409:15

LHR

-

PHL

Nonstop7h 55m

British Airways

Tue 28/418:40

PHL

-

LHR

Nonstop7h 10m

British Airways

Deal found 5/3£530

Tue 1/909:15

LHR

-

PHL

Nonstop8h 00m

British Airways

Tue 15/918:45

PHL

-

LHR

Nonstop7h 05m

British Airways

Deal found 4/3£531

Tue 14/409:15

LHR

-

PHL

Nonstop7h 55m

British Airways

Tue 28/422:05

PHL

-

LHR

Nonstop7h 15m

British Airways

Deal found 2/3£536

Mon 13/409:15

LHR

-

PHL

Nonstop7h 55m

Finnair

Mon 20/418:45

PHL

-

LHR

Nonstop7h 05m

Finnair

Deal found 5/3£545

Mon 13/412:30

LHR

-

PHL

Nonstop8h 00m

British Airways

Mon 27/419:35

PHL

-

LHR

Nonstop7h 15m

British Airways

Deal found 1/3£547

Tue 21/412:30

LHR

-

PHL

Nonstop8h 00m

Finnair

Tue 28/422:05

PHL

-

LHR

Nonstop7h 15m

Finnair

Deal found 5/3£550

Wed 22/412:30

LHR

-

PHL

Nonstop8h 00m

British Airways

Tue 28/419:35

PHL

-

LHR

Nonstop7h 15m

British Airways

Deal found 2/3£553

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.

LON-PHL

LHR-PHL

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.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 5/5

12:30-15:30

Nonstop8h 00m

Philadelphia

Mon 25/5

18:45-06:50

Nonstop7h 05m

£566

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 21/4

12:30-15:30

Nonstop8h 00m

Philadelphia

Mon 26/10

19:35-06:35

Nonstop7h 00m

£568

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 29/4

12:30-15:30

Nonstop8h 00m

Philadelphia

Tue 12/5

19:35-07:50

Nonstop7h 15m

£571

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 13/4

12:30-15:30

Nonstop8h 00m

Philadelphia

Mon 20/4

22:05-10:20

Nonstop7h 15m

£574

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 13/4

09:15-12:10

Nonstop7h 55m

Philadelphia

Tue 21/4

18:45-06:50

Nonstop7h 05m

£580

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Mon 11/5

09:15-12:10

Nonstop7h 55m

Philadelphia

Mon 18/5

22:05-10:20

Nonstop7h 15m

£582

Fastest return journey

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 1/7

09:15-12:10

Nonstop7h 55m

Philadelphia

Mon 6/7

22:20-10:20

Nonstop7h 00m

£604

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Tue 12/5

09:15-12:10

Nonstop7h 55m

Philadelphia

Sat 23/5

18:45-06:50

Nonstop7h 05m

£625

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Wed 22/4

12:30-15:30

Nonstop8h 00m

Philadelphia

Fri 26/6

19:30-07:50

Nonstop7h 20m

£627

LondonPhiladelphia

LHR - PHL

LHRPHL

London Heathrow

Thu 19/3

13:10-17:15

Nonstop8h 05m

Philadelphia

Mon 23/3

20:40-07:50

Nonstop7h 10m

£651

Flights are sorted by cheapest return flights first.

Deals found on 28/2

Showing 1-10 of 21 resultsSorted by cheapest first

1

2

3

Reviews of airlines flying non-stop to Philadelphia

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.

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

7.6

Good

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

United Airlines

7.4

Good

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

7.2

Good

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

7.2

Good

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

British Airways

6.7

Okay

7.6

Good

Reviews

1 / 20

2.0

Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

FAQ about direct flights to Philadelphia

How much are direct flights to Philadelphia?
On average, a one-way direct flight to Philadelphia will cost users approximately £913. If you're looking for a direct return flight to Philadelphia, you can expect to pay around £1,414.
Which airlines fly direct to Philadelphia?
At the moment, British Airways, Finnair, Aer Lingus, Iberia, American Airlines offer direct flights to Philadelphia. British Airways is currently the most popular airline that flies direct to Philadelphia.
How long is a direct flight to Philadelphia?
While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Philadelphia to last approximately 7h 55m on average. The quickest direct flight to Philadelphia at this time departs from London Heathrow Airport (7h 55m), while the longest leaves from London Heathrow Airport (7h 55m).
What is the best time of year to fly direct to Philadelphia?
If you're seeking the lowest price on a direct flight to Philadelphia, September is worth consideration, as prices are usually at their lowest, on average. January may be most appealing to users looking for the quietest time to visit Philadelphia, when demand is typically at its lowest.
What is the most popular direct flight origin to Philadelphia?
Currently, the most popular direct flight origin to Philadelphia is London Heathrow Airport. A return direct flight from London Heathrow Airport to Philadelphia typically costs around £1,080.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Pennsylvania direct flights

Popular United States destinations

Popular North America destinations

Popular Philadelphia routes

Airlines

United States origins

Direct flights to Pennsylvania

Direct flights to Pittsburgh

Direct flights to New York

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.