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Cheap flights from Philadelphia to London from £144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Easily compare return flights from Philadelphia to London

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Philadelphia to London by changing tabs
Multiple Airlines
10 Sept
PHL09:22Philadelphia
16h 38m
1 stop
LGW07:00London Gatwick
16 Sept
LGW10:55London Gatwick
27h 52m
2 stops
PHL09:47Philadelphia
Aer Lingus
12 Sept
PHL20:40Philadelphia
11h 00m
1 stop
LHR12:40London Heathrow
16 Sept
LHR12:00London Heathrow
12h 10m
1 stop
PHL19:10Philadelphia
JetBlue
23 Sept
PHL10:25Philadelphia
16h 05m
1 stop
LGW07:30London Gatwick
1 Oct
LGW12:10London Gatwick
14h 25m
1 stop
PHL21:35Philadelphia
British Airways
23 Sept
PHL22:50Philadelphia
7h 00m
LHR10:50London Heathrow
1 Oct
LHR08:20London Heathrow
13h 00m
1 stop
PHL16:20Philadelphia
Iberia
30 Sept
PHL19:40Philadelphia
7h 05m
LHR07:45London Heathrow
10 Oct
LHR06:15London Heathrow
12h 35m
1 stop
PHL13:50Philadelphia
American Airlines
16 Oct
PHL17:54Philadelphia
10h 11m
1 stop
LHR09:05London Heathrow
21 Nov
LHR06:05London Heathrow
15h 25m
1 stop
PHL16:30Philadelphia

Find the cheapest one-way flights from Philadelphia to London

If you're looking for one-way flights from Philadelphia to London, view some of our deals below provided by British Airways, Iberia and JetBlue
Multiple Airlines
21 Sept
PHL23:14Philadelphia
29h 46m
1 stop
LGW10:00London Gatwick
JetBlue
27 Oct
PHL08:08Philadelphia
16h 47m
1 stop
LHR04:55London Heathrow
Multiple Airlines
23 Sept
PHL14:45Philadelphia
14h 15m
1 stop
LGW10:00London Gatwick

Search last-minute flights to London from Philadelphia

Find and compare return flight prices for your last-minute flight from Philadelphia to London
Multiple Airlines
22 May
PHL09:28Philadelphia
16h 32m
1 stop
LGW07:00London Gatwick
30 May
LGW10:00London Gatwick
19h 38m
1 stop
PHL00:38Philadelphia
Air Canada
21 May
PHL16:10Philadelphia
9h 20m
1 stop
LHR06:30London Heathrow
4 Jun
LHR08:40London Heathrow
17h 53m
2 stops
PHL21:33Philadelphia
American Airlines
21 May
PHL19:40Philadelphia
7h 05m
LHR07:45London Heathrow
4 Jun
LHR07:40London Heathrow
13h 25m
1 stop
PHL16:05Philadelphia
Delta
20 May
PHL12:45Philadelphia
16h 15m
2 stops
LGW10:00London Gatwick
28 May
LGW12:00London Gatwick
16h 04m
2 stops
PHL23:04Philadelphia
United Airlines
21 May
PHL10:00Philadelphia
15h 20m
2 stops
LHR06:20London Heathrow
4 Jun
LHR06:55London Heathrow
32h 23m
2 stops
PHL10:18Philadelphia
Finnair
21 May
PHL22:45Philadelphia
7h 05m
LHR10:50London Heathrow
28 May
LHR09:45London Heathrow
7h 45m
PHL12:30Philadelphia

Aer Lingus flights from Philadelphia to London

Our best Aer Lingus deals on Philadelphia to London flight tickets
Aer Lingus
12 Sept
PHL20:40Philadelphia
11h 00m
1 stop
LHR12:40London Heathrow
16 Sept
LHR12:00London Heathrow
12h 10m
1 stop
PHL19:10Philadelphia
Aer Lingus
17 Sept
PHL20:55Philadelphia
12h 00m
1 stop
LHR13:55London Heathrow
24 Sept
LHR13:25London Heathrow
11h 00m
1 stop
PHL19:25Philadelphia
Aer Lingus
18 Aug
PHL20:40Philadelphia
11h 00m
1 stop
LHR12:40London Heathrow
21 Aug
LHR12:00London Heathrow
12h 25m
1 stop
PHL19:25Philadelphia

British Airways flights from Philadelphia to London

Our best British Airways deals on Philadelphia to London flight tickets
British Airways
23 Sept
PHL22:50Philadelphia
7h 00m
LHR10:50London Heathrow
1 Oct
LHR08:20London Heathrow
13h 00m
1 stop
PHL16:20Philadelphia
British Airways
1 Oct
PHL18:40Philadelphia
11h 15m
1 stop
LHR10:55London Heathrow
8 Oct
LHR08:20London Heathrow
13h 00m
1 stop
PHL16:20Philadelphia
British Airways
23 Sept
PHL18:40Philadelphia
10h 35m
1 stop
LCY10:15London City
8 Oct
LCY09:05London City
12h 15m
1 stop
PHL16:20Philadelphia

How to get the cheapest flight ticket from Philadelphia to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

February. The cheapest time of year to fly to London from Philadelphia is February. The most expensive is June.

What is the cheapest day to depart Philadelphia for London?

Sunday. The cheapest day of the week is usually Sunday. The most expensive is usually Saturday.

When is the cheapest time to fly from Philadelphia to London?

In the morning. Philadelphia to London flights are approximately 20% more expensive in the evening than in the morning

What is the cheapest airline that flies to London from Philadelphia?

Iberia. Aer Lingus, Air France, and British Airways are the most popular carriers operating from Philadelphia to London

What is the cheapest Philadelphia to London flight route?

Philadelphia - London Gatwick. Fly from Philadelphia to London Gatwick for the best Philadelphia - London flight prices

How far in advance should you book Philadelphia to London flights?

25 days before. The cheapest time to buy a flight from Philadelphia to London is approximately 25 days to departure

How many flights depart from Philadelphia to London on average per day?

As of May 2024, there are 12 flights per week flying from Philadelphia to London. The most common time of day flights depart is 21:00, with 74% of flights taking off in the evening.

How many flights depart from Philadelphia to London on average per week?

As of May 2024, 84 flights take off from Philadelphia and land in London each week. The most common flight departure day for this route is Monday, with 14% of weekly flights taking off on this day.

Can stopping save me money on Philadelphia to London flights?

You could potentially save up to 18% on your flight if you consider stops on a Philadelphia to London flight.

Cheap Philadelphia to London (PHL to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to London

Best price found

£144

Fastest flight time

6h 55m

Direct flights

Every day

Airports in London

5 airports
The best one-way flight to London from Philadelphia in the past 72 hours is £144. The best return flight deal from Philadelphia to London found on momondo in the last 72 hours is £374.
The fastest flight from Philadelphia to London takes 6h 55m
Direct flights go from Philadelphia to London every day.
There are 5 airports near London: London City (LCY), London Luton (LTN), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

  • How far is Philadelphia to London by plane?

    The distance between Philadelphia and London is about 3538.9 mi. A reasonable flight in good conditions will take 6h 55m.

  • When did momondo last update prices for flights from Philadelphia Airport to London?

    Prices for flights from Philadelphia Airport to London are updated daily.

  • How many operators does momondo search for flights from Philadelphia Airport to London?

  • How old do you have to be to fly from Philadelphia Airport to London?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Philadelphia to London

Compare and see reviews for airlines that fly from Philadelphia to London with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom £411Free CancellationRating
7.2
1,334 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £445Free CancellationRating
7.7
735 reviews
Search Virgin Atlantic flights
IberiaPriceFrom £448Free CancellationRating
7.1
2,741 reviews
Search Iberia flights
British AirwaysPriceFrom £448Free CancellationRating
6.8
6,829 reviews
Search British Airways flights
FinnairPriceFrom £513Free CancellationRating
7.7
1,376 reviews
Search Finnair flights
JetBluePriceFrom £520Free CancellationRating
7.6
4,472 reviews
Search JetBlue flights
Air FrancePriceFrom £529Free CancellationRating
7.5
1,764 reviews
Search Air France flights
  • Finnair Flights From Philadelphia to London

    The lowest priced Finnair flight from Philadelphia to London from the last 72 hours was £650. Generally, Finnair has 14 flights on this route every week with an average price of £1,497. Finnair is rated 7.7/10 by our users.

  • Aer Lingus Flights From Philadelphia to London

    £520 is the best Aer Lingus flight deal from Philadelphia to London found on momondo over the last 72 hours. The average Aer Lingus ticket price found was closer to £763, however, with flight time and availability significantly affecting the price. Aer Lingus (7.2/10 from 1,334 user reviews) flies into London from Philadelphia 7 times in an average week so prices can vary.


Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Philadelphia to London. momondo saves you time and could save you money on your trip.

Can I find flights from Philadelphia to London with flexible booking policies on momondo?

Yes. All flights to London from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Philadelphia to London?

Once all potential Philadelphia to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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