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Cheap flights from Pennsylvania to London from £112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to London departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

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Multiple Airlines Logo
12:45 - 11:20LGA-LHR
17h 35m1 stop
Multiple Airlines Logo
09:00 - 21:33LHR-LGA
17h 33m2 stops
£368Multiple Airlines
Find Deal
Wed, 19 Nov - Tue, 25 Nov
Multiple Airlines Logo
10:05 - 07:10JFK-LHR
16h 05m1 stop
Multiple Airlines Logo
06:00 - 13:05LHR-JFK
12h 05m1 stop
£368Multiple Airlines
Find Deal
Fri, 5 Dec - Fri, 12 Dec
TAP AIR PORTUGAL Logo
22:00 - 08:50JFK-LGW
29h 50m2 stops
TAP AIR PORTUGAL Logo
16:35 - 20:05LGW-JFK
32h 30m1 stop
£368TAP AIR PORTUGAL
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Air Canada Logo
15:20 - 07:10LGA-LHR
10h 50m1 stop
Air Canada Logo
13:25 - 19:03LHR-LGA
10h 38m1 stop
£369Air Canada
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Air Canada Logo
10:05 - 07:10JFK-LHR
16h 05m1 stop
Air Canada Logo
13:25 - 20:58LHR-JFK
12h 33m1 stop
£369Air Canada
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Icelandair Logo
19:25 - 10:55JFK-LGW
10h 30m1 stop
Icelandair Logo
11:55 - 18:00LGW-JFK
11h 05m1 stop
£369Icelandair
Find Deal
Mon, 17 Nov - Wed, 26 Nov
Virgin Atlantic Logo
18:00 - 06:20JFK-LHR
7h 20mdirect
Virgin Atlantic Logo
06:30 - 15:45LHR-JFK
14h 15m1 stop
£370Virgin Atlantic
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Icelandair Logo
19:25 - 10:55JFK-LGW
10h 30m1 stop
Icelandair Logo
11:55 - 18:00LGW-JFK
11h 05m1 stop
£372Icelandair
Find Deal
Mon, 17 Nov - Wed, 26 Nov
Virgin Atlantic Logo
19:01 - 06:55JFK-LHR
6h 54mdirect
Virgin Atlantic Logo
10:00 - 15:45LHR-JFK
10h 45m1 stop
£373Virgin Atlantic
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Mon, 17 Nov - Wed, 26 Nov
TAP AIR PORTUGAL Logo
22:00 - 20:35JFK-LGW
17h 35m2 stops
TAP AIR PORTUGAL Logo
16:35 - 20:05LGW-JFK
32h 30m1 stop
£374TAP AIR PORTUGAL
Find Deal
Mon, 17 Nov - Mon, 24 Nov

Air Canada flights from Pennsylvania to London

Our best Air Canada deals on Pennsylvania to London flight tickets
Air Canada
17 Nov
LGA15:20New York LaGuardia
10h 50m
1 stop
LHR07:10London Heathrow
24 Nov
LHR13:25London Heathrow
10h 38m
1 stop
LGA19:03New York LaGuardia
£369
Find similar
Air Canada
17 Nov
LGA15:20New York LaGuardia
10h 50m
1 stop
LHR07:10London Heathrow
26 Nov
LHR13:25London Heathrow
13h 08m
1 stop
LGA21:33New York LaGuardia
£370
Find similar
Air Canada
17 Nov
LGA15:20New York LaGuardia
10h 50m
1 stop
LHR07:10London Heathrow
26 Nov
LHR13:25London Heathrow
10h 38m
1 stop
LGA19:03New York LaGuardia
£370
Find similar

Virgin Atlantic flights from Pennsylvania to London

Our best Virgin Atlantic deals on Pennsylvania to London flight tickets
Virgin Atlantic
17 Nov
JFK18:00New York John F Kennedy Intl
7h 20m
LHR06:20London Heathrow
24 Nov
LHR06:30London Heathrow
14h 15m
1 stop
JFK15:45New York John F Kennedy Intl
£370
Find similar
Virgin Atlantic
17 Nov
JFK19:01New York John F Kennedy Intl
6h 54m
LHR06:55London Heathrow
26 Nov
LHR10:00London Heathrow
10h 45m
1 stop
JFK15:45New York John F Kennedy Intl
£373
Find similar
Virgin Atlantic
10 Nov
JFK18:00New York John F Kennedy Intl
7h 20m
LHR06:20London Heathrow
18 Nov
LHR11:45London Heathrow
12h 35m
1 stop
JFK19:20New York John F Kennedy Intl
£375
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Pennsylvania to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Pennsylvania to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 19/11

12:45-11:20

1 stop17h 35m

London Heathrow

Tue 25/11

09:00-21:33

2 stops17h 33m

£368

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/12

10:05-07:10

1 stop16h 05m

London Heathrow

Fri 12/12

06:00-13:05

1 stop12h 05m

£368

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 17/11

22:00-08:50

2 stops29h 50m

London Gatwick

Mon 24/11

16:35-20:05

1 stop32h 30m

£368

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 17/11

15:20-07:10

1 stop10h 50m

London Heathrow

Mon 24/11

13:25-19:03

1 stop10h 38m

£369

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 17/11

10:05-07:10

1 stop16h 05m

London Heathrow

Mon 24/11

13:25-20:58

1 stop12h 33m

£369

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 17/11

19:25-10:55

1 stop10h 30m

London Gatwick

Wed 26/11

11:55-18:00

1 stop11h 05m

£369

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 17/11

18:00-06:20

Nonstop7h 20m

London Heathrow

Mon 24/11

06:30-15:45

1 stop14h 15m

£370

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 17/11

19:25-10:55

1 stop10h 30m

London Gatwick

Wed 26/11

11:55-18:00

1 stop11h 05m

£372

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 17/11

19:01-06:55

Nonstop6h 54m

London Heathrow

Wed 26/11

10:00-15:45

1 stop10h 45m

£373

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 17/11

22:00-20:35

2 stops17h 35m

London Gatwick

Mon 24/11

16:35-20:05

1 stop32h 30m

£374

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Pennsylvania 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 to London?

The cheapest month to fly to London from Pennsylvania is in September. Flight prices, which tend to average around £496, are often lower during this time because this is during the off-season. The month of August is another great option to travel to London, with average flight prices from Pennsylvania averaging around £503.

What is the cheapest day to depart on your flight to London?

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £522. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to London for around £756.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £509. Flights at midday are often more expensive, with an average ticket price of £755.

What is the cheapest Pennsylvania to London flight route?

Fly from Pittsburgh to London Heathrow for the best Pennsylvania - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £624 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Pennsylvania for as low as £538 on momondo.

What cabin class options are available on Pennsylvania to London flights?

There are 3 cabin classes available to choose from on Pennsylvania to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pennsylvania to London flights?

You could potentially save up to 12% on your flight if you consider stops on a Pennsylvania to London flight.

Cheap Pennsylvania to London flight deals and tips

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

Best price found

£484

Fastest flight time

6h 50m

Direct flights

Every day

Airports in London

1 airport
The best flight deal from Pennsylvania to London found on momondo in the last 72 hours is £484
The fastest flight from Pennsylvania to London takes 6h 50m
Direct flights go from Pennsylvania to London every day.
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

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

    Prices for flights from Pennsylvania to London are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pennsylvania to London.

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

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Pennsylvania to London?

Best airlines flying from Pennsylvania to London

Compare and see reviews for airlines that fly from Pennsylvania to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £394Free CancellationRating
6.7
7,500 reviews
Search British Airways flights
Aer LingusPriceFrom £401Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
JetBluePriceFrom £437Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
IberiaPriceFrom £473Free CancellationRating
7.0
3,007 reviews
Search Iberia flights
American AirlinesPriceFrom £522Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Dover
Colchester
Chelmsford
Hayes
Worthing
Ramsgate
Dartford
Bedford
Winchester

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Pennsylvania.

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

Yes. momondo allows you to filter the results for Pennsylvania to London flights to just show those with flexible booking policies.

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

Once you have performed a search for Pennsylvania to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Pennsylvania to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport