Cheap flights from Heathrow to Philadelphia

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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

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
Virgin Atlantic
£354
StudentUniverse
05:40 - 17:30
Virgin Atlantic
1 stop
16h 50m
LHR - PHL
Virgin Atlantic
£371
StudentUniverse
04:40 - 16:44
Virgin Atlantic
1 stop
17h 04m
LHR - PHL
Virgin Atlantic
£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.

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.

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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
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
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