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Cheap flights from Philadelphia (PHL) to Heathrow (LHR)

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The best prices from Philadelphia to Heathrow are usually found in August or February, booked 38 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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

PHL - LHR
Price
$591 - $987
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches
Popular in June High demand for flights, 28% potential price rise
Cheapest in August Best time to find cheap flights, 17% potential price drop
Round-trip from $591 From Philadelphia to Heathrow
One-way from $144 One-way flight from Philadelphia to Heathrow
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Philadelphia to Heathrow?

Users have found that flying from Philadelphia to Heathrow on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

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 38% on flights from Philadelphia to Heathrow 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 $813. For sooner than that we have options available in the next 3 days from $886.

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

Our data shows that February tends to be the cheapest month to fly to Heathrow from Philadelphia. Users have commonly found prices around $634 for the month, but tickets can be as low as $394. Due to multiple factors, prepare for potentially higher prices in June.

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

It’s optimal to fly from Philadelphia to Heathrow in the evening. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Philadelphia to Heathrow in August, September 2020

The best prices found for PHL to LHR flights for August, September
31 Jul - 7 Aug
$447pp
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PHL
Philadelphia
28 Aug - 19 Sep
$497pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PHL
Philadelphia
14 Aug - 24 Aug
$522pp
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PHL
Philadelphia

Philadelphia to Heathrow 2020 flight deals

Cheap flights to Heathrow from Philadelphia found for this year
20 Oct - 27 Oct
$416pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PHL
Philadelphia
21 Oct - 26 Oct
$445pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PHL
Philadelphia
31 Jul - 7 Aug
$447pp
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PHL
Philadelphia

Non-stop flights to Heathrow from Philadelphia

Save time with Philadelphia to Heathrow direct flight deals
4 Nov - 11 Nov
$600pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
PHL
Philadelphia
3 Nov - 24 Nov
$602pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
PHL
Philadelphia
20 Oct - 27 Oct
$609pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia to Heathrow

Late deals on round-trip flights to Heathrow from Philadelphia, departing today and this week
25 Jul - 10 Aug
$800pp
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PHL
Philadelphia
26 Jul - 10 Aug
$870pp
PHL
Philadelphia
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
PHL
Philadelphia
27 Jul - 5 Aug
$900pp
PHL
Philadelphia
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
PHL
Philadelphia

One-way flights to Heathrow from Philadelphia

The cheapest one-way flights from Philadelphia to Heathrow
9:11 am - 1:45 pm
TAP AIR PORTUGAL
2 Stops
23h 34m
PHL - LHR
TAP AIR PORTUGAL
$144
mytrip.com
11:15 am - 1:45 pm
Multiple Airlines
2 Stops
21h 30m
PHL - LHR
Multiple Airlines
$202
FlightNetwork
2:25 am - 1:45 pm
Multiple Airlines
2 Stops
30h 20m
PHL - LHR
Multiple Airlines
$206
Kiwi.com

Related info for your journey

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

Flight FAQs

From Philadelphia to Heathrow

Are flight prices decreasing from Philadelphia to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Philadelphia to Heathrow for under $500 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Heathrow for under $500. The cheapest flight booked recently is on Multiple Airlines for just $416, but on average you can expect to pay $504.

Are there nonstop flights from Philadelphia to Heathrow for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia to Heathrow under $600. A good price for a nonstop flight from Philadelphia to Heathrow is less than $630.

Are there last-minute flights available from Philadelphia to Heathrow for under $800?

There are currently 20+ open flights from Philadelphia to Heathrow within the next 7 days for less than $800.

Does it rain more in Philadelphia or Heathrow?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Philadelphia is roughly greater than that of Heathrow. You can assume this to be the case over the next 13 days.

Is Philadelphia weather warmer or cooler than Heathrow?

We forecast the temperature to be around the 88 °F's in July, on average. The temperature in Heathrow is generally colder than in Philadelphia. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Philadelphia to Heathrow?

There are many flights that can get you from Philadelphia to Heathrow in 9h 20m. Fly via Aer Lingus or TAP AIR PORTUGAL to get the fastest option. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Currently priced at $508, TAP AIR PORTUGAL will fly you from Philadelphia to Heathrow and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Aer Lingus for as low as $558. TAP AIR PORTUGAL is 28% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Philadelphia to Heathrow one-way?

The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $144.

Alternative routes for Philadelphia to Heathrow

Destination information for Heathrow

Things to know before you go. Useful info for your trip from Philadelphia to Heathrow
Today's exchange rate
$1 = £0.77
Average temperature for August in Heathrow
75.2 °F
Avg rainfall for August in Heathrow
2.6 ″

Airports servicing Philadelphia

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