Cheap Flights from Heathrow to Philadelphia from £354

How to find the cheapest flight from
Heathrow (LHR) to Philadelphia (PHL)

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	£571 - £813
PHL Temperature	1 - 26 °C
PHL Rainfall	69 - 112 mm

Popular in December High demand for flights, 19% potential price rise
Cheapest in March Best time to find cheap flights, 14% potential price drop
Round-trip from £470 From London Heathrow to Philadelphia
One-way from £354 One-way flight from London Heathrow to Philadelphia

Popular in

December

High demand for flights, 19% potential price rise

Cheapest in

March

Best time to find cheap flights, 14% potential price drop

Round-trip from

£470

From London Heathrow to Philadelphia

One-way from

£354

One-way flight from London Heathrow to Philadelphia

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

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.

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 51 days in advance, which can save you up to 17% on flights from London Heathrow Airport to Philadelphia compared to booking the week you need them. Waiting 51 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 £605. For sooner than that we have options available in the next 3 days from £664.

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

The best pricing can be found in the month of March. Prices to Philadelphia from London Heathrow Airport average £546. You can even find prices in March for less than £546, as users have found deals to Philadelphia from as low as £397. The month of December 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 20%.

Cheap flights from Heathrow to Philadelphia in August, September 2022

The best prices found for LHR to PHL flights in August, September

8 Sep - 28 Sep

£412pp

LHR

London Heathrow

United Airlines

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

United Airlines

2 STOPS

LHR

London Heathrow

9 Sep - 17 Sep

£413pp

LHR

London Heathrow

United Airlines

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

United Airlines

1 STOP

LHR

London Heathrow

31 Aug - 17 Sep

£415pp

LHR

London Heathrow

United Airlines

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

United Airlines

1 STOP

LHR

London Heathrow

London Heathrow to Philadelphia 2022 flight deals

Cheap flights to Philadelphia from Heathrow found for this year

23 Nov - 29 Nov

£394pp

LHR

London Heathrow

British Airways

1 STOP

PHL

Philadelphia

PHL

Philadelphia

British Airways

Direct

LHR

London Heathrow

23 Nov - 29 Nov

£397pp

LHR

London Heathrow

British Airways

1 STOP

PHL

Philadelphia

PHL

Philadelphia

British Airways

1 STOP

LHR

London Heathrow

8 Nov - 22 Nov

£404pp

LHR

London Heathrow

British Airways

1 STOP

PHL

Philadelphia

PHL

Philadelphia

British Airways

1 STOP

LHR

London Heathrow

Cheap Aer Lingus flights from Heathrow to Philadelphia

8 Sep - 28 Sep

£426pp

LHR

London Heathrow

Aer Lingus

1 STOP

PHL

Philadelphia

PHL

Philadelphia

Aer Lingus

1 STOP

LHR

London Heathrow

22 Oct - 30 Oct

£438pp

LHR

London Heathrow

Aer Lingus

1 STOP

PHL

Philadelphia

PHL

Philadelphia

Aer Lingus

1 STOP

LHR

London Heathrow

Cheap United Airlines flights from Heathrow to Philadelphia

8 Sep - 28 Sep

£412pp

LHR

London Heathrow

United Airlines

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

United Airlines

2 STOPS

LHR

London Heathrow

9 Sep - 17 Sep

£413pp

LHR

London Heathrow

United Airlines

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

United Airlines

1 STOP

LHR

London Heathrow

31 Aug - 17 Sep

£415pp

LHR

London Heathrow

United Airlines

2 STOPS

PHL

Philadelphia

PHL

Philadelphia

United Airlines

1 STOP

LHR

London Heathrow

Direct flights to Philadelphia from Heathrow

Save time with Heathrow to Philadelphia direct flight deals

8 Nov - 22 Nov

£424pp

LHR

London Heathrow

British Airways

Direct

PHL

Philadelphia

PHL

Philadelphia

British Airways

Direct

LHR

London Heathrow

23 Nov - 29 Nov

£425pp

LHR

London Heathrow

British Airways

Direct

PHL

Philadelphia

PHL

Philadelphia

British Airways

Direct

LHR

London Heathrow

18 Oct - 1 Nov

£443pp

LHR

London Heathrow

British Airways

Direct

PHL

Philadelphia

PHL

Philadelphia

British Airways

Direct

LHR

London Heathrow

Last-minute flights from Heathrow to Philadelphia

Late deals on return flights to Philadelphia from Heathrow, departing today and this week

21 Aug - 24 May

£657pp

LHR

London Heathrow

American Airlines

1 STOP

PHL

Philadelphia

PHL

Philadelphia

American Airlines

1 STOP

LHR

London Heathrow

21 Aug - 24 May

£661pp

LHR

London Heathrow

American Airlines

1 STOP

PHL

Philadelphia

PHL

Philadelphia

American Airlines

1 STOP

LHR

London Heathrow

21 Aug - 24 May

£676pp

LHR

London Heathrow

Multiple airlines

1 STOP

PHL

Philadelphia

PHL

Philadelphia

Finnair

Direct

LHR

London Heathrow

One-way flights to Philadelphia from London Heathrow

The cheapest one-way flights from Heathrow to Philadelphia

06:55 - 13:56

Virgin Atlantic

1 stop

12h 01m

LHR - PHL

£354

StudentUniverse

05:40 - 17:30

Virgin Atlantic

1 stop

16h 50m

LHR - PHL

£371

StudentUniverse

04:40 - 16:44

Virgin Atlantic

1 stop

17h 04m

LHR - PHL

£380

StudentUniverse

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Heathrow</span> to <span class="emphasized">Philadelphia</span> flights.

Flight FAQs

From Heathrow to Philadelphia

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 17 inbound flights from London Heathrow per day from 13 airlines. Philadelphia is conveniently located just 7.0 mi from Philadelphia’s city center.

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 Finnair, British Airways, 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 British Airways for just £394, but on average you can expect to pay £415.

Are there nonstop flights from London Heathrow Airport to Philadelphia for under £500 on Cheapflights?

Cheapflights has at least 20 direct flights from London Heathrow Airport to Philadelphia under £500. A good price for a nonstop flight from London Heathrow Airport to Philadelphia is less than £469.

Are there last-minute flights available from London Heathrow Airport to Philadelphia for under £700?

There are currently 20+ open flights from London Heathrow Airport to Philadelphia within the next 7 days for less than £700.

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 British Airways. Our recent data shows that you can find tickets from as low as £394 on this airline. Additional options worth looking into are Virgin Atlantic and United Airlines, starting at £406 and £412 round-trip. British Airways is currently priced 27% below the average price you’ll pay for this route.

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

Consider Qatar Airways (76%), Malaysia Airlines (76%) or EL AL (76%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Philadelphia.

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 cheapest flights from London Heathrow Airport to Philadelphia?

The cheapest flight price from London Heathrow Airport to Philadelphia is £453. On average you can expect to pay £1,242. The most popular route, (London Heathrow - Philadelphia), can usually be booked for £394.

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COVID Restrictions

View COVID Travel Restrictions for Philadelphia, PA

Do I need a COVID test to fly to Philadelphia from Heathrow?

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 are not required to present a negative COVID-19 PCR test or antigen result upon entering Philadelphia.

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

Do I need a test to fly back to Heathrow from Philadelphia?

Returning to London Heathrow from Philadelphia

COVID-19 testing requirements
Visitors from Philadelphia are not required to present a negative COVID-19 PCR test or antigen result upon entering London Heathrow.

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

Hide COVID Travel Restrictions for Philadelphia, PA

Alternative routes for Heathrow to Philadelphia

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

London to Philadelphia from £592 pp

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	£299	£445	No cancel fee	76%	Search Lufthansa flights
Air France	£306	£404	No cancel fee	77%	Search Air France flights
Aer Lingus	£380	£574	No cancel fee	N/A	Search Aer Lingus flights
Icelandair	£387	£555	No cancel fee	76%	Search Icelandair flights
Virgin Atlantic	£395	£544	No cancel fee	72%	Search Virgin Atlantic flights
Air Canada	£413	£527	No cancel fee	67%	Search Air Canada flights
United Airlines	£419	£492	No cancel fee	69%	Search United Airlines flights
Iberia	£428	£588	No cancel fee	77%	Search Iberia flights
British Airways	£429	£568	No cancel fee	70%	Search British Airways flights
Finnair	£438	£609	No cancel fee	76%	Search Finnair flights

Hourly flight availability from Heathrow to Philadelphia

See what time of day planes typically take off from Heathrow towards Philadelphia.

Afternoon Midday to 6 PM	60% of flight departures
Morning 6 AM to midday	39% of flight departures
Early morning Midnight to 6 AM	1% of flight departures
Evening 6 PM to midnight	0% of flight departures

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.

Sunday

19 daily flights

Monday

19 daily flights

Tuesday

19 daily flights

Wednesday

14 daily flights

Thursday

19 daily flights

Friday

19 daily flights

Saturday

14 daily flights

Cheap flights from Heathrow to Philadelphia

How to find the cheapest flight from Heathrow (LHR) to Philadelphia (PHL)

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.

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

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

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

Cheap flights from Heathrow to Philadelphia in August, September 2022

The best prices found for LHR to PHL flights in August, September

London Heathrow to Philadelphia 2022 flight deals

Cheap flights to Philadelphia from Heathrow found for this year

Cheap Aer Lingus flights from Heathrow to Philadelphia

Cheap United Airlines flights from Heathrow to Philadelphia

Direct flights to Philadelphia from Heathrow

Save time with Heathrow to Philadelphia direct flight deals

Last-minute flights from Heathrow to Philadelphia

Late deals on return flights to Philadelphia from Heathrow, departing today and this week

One-way flights to Philadelphia from London Heathrow

The cheapest one-way flights from Heathrow to Philadelphia

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Heathrow</span> to <span class="emphasized">Philadelphia</span> flights.

Flight FAQs

From Heathrow to Philadelphia

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

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

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

Are there nonstop flights from London Heathrow Airport to Philadelphia for under £500 on Cheapflights?

Are there last-minute flights available from London Heathrow Airport to Philadelphia for under £700?

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

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

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

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

Related searches

Flights to Philadelphia (PHL) from Heathrow

Hire a Car

COVID Restrictions

Do I need a COVID test to fly to Philadelphia from Heathrow?

Do I need a test to fly back to Heathrow from Philadelphia?

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 London 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.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2022.

Hourly flight availability from Heathrow to Philadelphia

See what time of day planes typically take off from Heathrow towards Philadelphia.

See how many times per day planes take to the skies headed from Heathrow to Philadelphia.

How to find the cheapest flight from
Heathrow (LHR) to Philadelphia (PHL)