Cheap flights from London to Philadelphia

How to find the cheapest flight from Heathrow to Philadelphia

All the information you need to plan the best LHR to PHL flight in 2022: compare Heathrow to Philadelphia flight prices with the expected peak season, weather and rainfall in Philadelphia.

LHR - PHL

Price

£421 - £758

PHL

Temperature

1 - 26 °C

PHL

Precipitation

69 - 112 mm

Popular in

July

High demand for flights, 30% potential price rise

Cheapest in

February

Best time to find cheap flights, 20% potential price drop

Average price

£341

Average for round-trip flights in January 2022

Round-trip from

£309

From London Heathrow to Philadelphia

How far in advance should I book a flight from London Heathrow Airport to Philadelphia?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 54 days in advance, which can save you up to 38% on flights from London Heathrow Airport to Philadelphia compared to booking the week you need them. Waiting 54 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £411. For sooner than that we have options available in the next 3 days from £504.

What is the cheapest month to fly from London Heathrow Airport to Philadelphia?

The best pricing can be found in the month of February. Prices to Philadelphia from London Heathrow Airport average £388. You can even find prices in February for less than £388, as users have found deals to Philadelphia from as low as £281. The month of July appears to be one of the more expensive times to travel to Philadelphia from London Heathrow Airport. Flying in the targeted month can save you up to 40%.

When is the cheapest time to fly from London Heathrow Airport to Philadelphia (LHR - PHL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Philadelphia as you normally would.

Cheap flights from Heathrow to Philadelphia in January, February 2022

The best prices found for LHR to PHL flights in January, February
16 Feb - 16 Mar
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 10m
£332

Multiple Airlines

View Deal

Deal found 18/1/22

14 Feb - 7 Mar
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 30m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 00m
£333

Multiple Airlines

View Deal

Deal found 16/1/22

16 Feb - 21 Feb
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£333

Multiple Airlines

View Deal

Deal found 17/1/22

Heathrow to Philadelphia 2022 flight deals

Cheap flights to Philadelphia from Heathrow found for this year
14 Mar - 27 Mar
LHR

London Heathrow

PHL

Philadelphia

2 stops

30h 10m
PHL

Philadelphia

LHR

London Heathrow

1 stop

34h 14m
£328

Virgin Atlantic

View Deal

Deal found 19/1/22

16 Feb - 16 Mar
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 10m
£332

Multiple Airlines

View Deal

Deal found 18/1/22

14 Feb - 7 Mar
LHR

London Heathrow

PHL

Philadelphia

1 stop

11h 30m
PHL

Philadelphia

LHR

London Heathrow

1 stop

10h 00m
£333

Multiple Airlines

View Deal

Deal found 16/1/22

Direct flights to Philadelphia from Heathrow

Save time with Heathrow to Philadelphia direct flight deals
15 Feb - 22 Feb
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 10m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£353

Multiple Airlines

View Deal

Deal found 16/1/22

16 Feb - 5 Apr
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 10m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 10m
£355

British Airways

View Deal

Deal found 17/1/22

16 Feb - 21 Feb
LHR

London Heathrow

PHL

Philadelphia

Nonstop

8h 30m
PHL

Philadelphia

LHR

London Heathrow

Nonstop

7h 05m
£357

Finnair

View Deal

Deal found 17/1/22

Last-minute flights from Heathrow to Philadelphia

Late deals on return flights to Philadelphia from Heathrow, departing today and this week
25 Jan - 28 Jan
LHR

London Heathrow

PHL

Philadelphia

1 stop

20h 50m
PHL

Philadelphia

LHR

London Heathrow

1 stop

29h 45m
£439

Finnair

View Deal

Deal found 17/1/22

24 Jan - 29 Jan
LHR

London Heathrow

PHL

Philadelphia

2 stops

35h 33m
PHL

Philadelphia

LHR

London Heathrow

2 stops

31h 55m
£445

Multiple Airlines

View Deal

Deal found 18/1/22

24 Jan - 29 Jan
LHR

London Heathrow

PHL

Philadelphia

1 stop

23h 45m
PHL

Philadelphia

LHR

London Heathrow

2 stops

15h 47m
£455

Finnair

View Deal

Deal found 18/1/22

One-way flights to Philadelphia from Heathrow

The cheapest one-way flights from Heathrow to Philadelphia
5 Mar
LHR

London Heathrow

PHL

Philadelphia

2 stops

21h 28m
£332

TAP AIR PORTUGAL

View Deal

Deal found 16/1/22

29 Jun
LHR

London Heathrow

PHL

Philadelphia

2 stops

21h 56m
£333

TAP AIR PORTUGAL

View Deal

Deal found 16/1/22

20 Mar
LHR

London Heathrow

PHL

Philadelphia

3 stops

43h 15m
£336

Multiple Airlines

View Deal

Deal found 19/1/22

Related info for your journey

Useful info, stats and facts about Heathrow to Philadelphia flights.

What airport do you fly into for flights to Philadelphia from London Heathrow?

Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from London Heathrow. On average, Philadelphia has 12 inbound flights from London Heathrow per day from 14 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city centre.

Which airlines flying from London Heathrow to Philadelphia have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, Finnair, and American Airlines flying from London Heathrow to Philadelphia have implemented new flexible cancellation policies.

Can I find flights from London Heathrow Airport to Philadelphia for under £400 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Philadelphia for under £400. The cheapest flight booked recently is on Virgin Atlantic for just £328, but on average you can expect to pay £341.

Are there direct flights from London Heathrow Airport to Philadelphia for under £400 on Cheapflights?

Cheapflights has 20 direct flights from London Heathrow Airport to Philadelphia under £400. A good price for a direct flight from London Heathrow Airport to Philadelphia is less than £378.

Are there last-minute flights available from London Heathrow Airport to Philadelphia for under £500?

There are currently 20+ open flights from London Heathrow Airport to Philadelphia within the next 7 days for less than £500.

What are the cheapest airlines flying from London Heathrow Airport to Philadelphia round-trip?

Our cheapest airline available from London Heathrow Airport to Philadelphia is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £328 on this airline. Additional options worth looking into are British Airways and Air Canada, starting at £332 and £355 round-trip. Virgin Atlantic is currently priced 15% below the average price you’ll pay for this route.

What are the most popular airlines that fly from London Heathrow Airport to Philadelphia?

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Philadelphia.

What are the most reliable airlines from London Heathrow Airport to Philadelphia?

Consider Qatar Airways (92%), Malaysia Airlines (92%) or EL AL (92%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Philadelphia.

What are the cheapest flights from London Heathrow Airport to Philadelphia?

The cheapest flight price from London Heathrow Airport to Philadelphia is £314. On average you can expect to pay £783. The most popular route, (London Heathrow - Philadelphia), can usually be booked for £333.

Can I fly to Philadelphia from London Heathrow right now?

Information is based on travel restrictions from London Heathrow to Philadelphia

Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter Philadelphia.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Philadelphia.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Philadelphia.

Can I fly back to London Heathrow from Philadelphia?

Returning to London Heathrow from Philadelphia

COVID-19 testing requirements
Visitors from Philadelphia must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 2 days hours before departing to London Heathrow.

Quarantine requirements
Visitors from Philadelphia are not required to quarantine after entering London Heathrow.

Alternative routes for Heathrow to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to Philadelphia

The chart below displays the airlines Cheapflights users travelling from Heathrow to Philadelphia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Virgin Atlantic
Cheapest£249
Average£394
FlexibilityNo cancel fee
On-time72%
COVID-19 safety
British Airways
Cheapest£267
Average£452
FlexibilityNo cancel fee
On-time70%
COVID-19 safety
KLM
Cheapest£271
Average£409
FlexibilityNo cancel fee
On-time75%
COVID-19 safety
Air France
Cheapest£273
Average£360
FlexibilityNo cancel fee
On-time77%
COVID-19 safety
United Airlines
Cheapest£274
Average£670
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
Air Canada
Cheapest£286
Average£395
FlexibilityNo cancel fee
On-time67%
COVID-19 safety
Finnair
Cheapest£301
Average£506
FlexibilityNo cancel fee
On-time76%
COVID-19 safety
Iberia
Cheapest£307
Average£516
FlexibilityNo cancel fee
On-time77%
COVID-19 safety
American Airlines
Cheapest£311
Average£473
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Delta
Cheapest£314
Average£395
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety

Hourly flight availability from Heathrow to Philadelphia

See what time of day planes typically take off from Heathrow to Philadelphia
1%of flight departuresEarly morningMidnight to 6 am
47%of flight departuresMorning6 am to noon
52%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Heathrow to Philadelphia

See how many times per day planes take to the skies headed from Heathrow to Philadelphia
Sunday12daily flights
Monday12daily flights
Tuesday12daily flights
Wednesday12daily flights
Thursday12daily flights
Friday12daily flights
Saturday12daily flights