Cheap flights from Pennsylvania to London from £106

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 3/3. 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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Cheap return flights

Norse Atlantic UK Logo
18:20 - 06:20JFK-LGW
7h 00mdirect
Norse Atlantic UK Logo
13:00 - 16:50LGW-JFK
7h 50mdirect
£320Norse Atlantic UK
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ti., 7 okt. - ti., 28 okt.
TAP AIR PORTUGAL Logo
22:00 - 17:30JFK-LHR
14h 30m1 stop
TAP AIR PORTUGAL Logo
18:30 - 20:05LHR-JFK
30h 35m1 stop
£324TAP AIR PORTUGAL
Find Deal
sø., 9 nov. - ma., 24 nov.
Multiple Airlines Logo
10:05 - 21:05JFK-STN
30h 00m3 stops
Multiple Airlines Logo
21:45 - 20:58STN-JFK
28h 13m3 stops
£330Multiple Airlines
Find Deal
on., 5 nov. - sø., 9 nov.
Iberia Logo
16:50 - 16:20JFK-LHR
18h 30m1 stop
Iberia Logo
09:45 - 12:40LHR-JFK
7h 55mdirect
£331Iberia
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fr., 3 okt. - sø., 5 okt.
Multiple Airlines Logo
16:20 - 10:20LGA-LGW
14h 00m2 stops
Multiple Airlines Logo
21:35 - 19:03LGW-LGA
26h 28m3 stops
£331Multiple Airlines
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fr., 31 okt. - sø., 9 nov.
LEVEL Logo
23:45 - 18:00JFK-LHR
13h 15m1 stop
LEVEL Logo
18:50 - 22:00LHR-JFK
32h 10m1 stop
£333LEVEL
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ma., 8 des. - ti., 13 jan.
LEVEL Logo
23:45 - 09:10JFK-LHR
28h 25m1 stop
LEVEL Logo
09:55 - 22:00LHR-JFK
17h 05m1 stop
£335LEVEL
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lø., 8 nov. - ma., 15 des.
Virgin Atlantic Logo
21:30 - 09:20JFK-LHR
6h 50mdirect
Virgin Atlantic Logo
06:30 - 19:20LHR-JFK
17h 50m1 stop
£337Virgin Atlantic
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sø., 9 nov. - ti., 18 nov.
Virgin Atlantic Logo
21:30 - 09:20JFK-LHR
6h 50mdirect
Virgin Atlantic Logo
11:45 - 19:20LHR-JFK
12h 35m1 stop
£361Virgin Atlantic
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sø., 9 nov. - ti., 18 nov.
Iberia Logo
10:15 - 22:10JFK-LHR
6h 55mdirect
Iberia Logo
10:45 - 19:15LHR-JFK
13h 30m1 stop
£366Iberia
Find Deal
fr., 7 nov. - ti., 11 nov.

Iberia flights from Pennsylvania to London

Our best Iberia deals on Pennsylvania to London flight tickets
Iberia
3 Oct
JFK16:50New York John F Kennedy Intl
18h 30m
1 stop
LHR16:20London Heathrow
5 Oct
LHR09:45London Heathrow
7h 55m
JFK12:40New York John F Kennedy Intl
Iberia
20 Sept
JFK09:45New York John F Kennedy Intl
6h 55m
LHR21:40London Heathrow
22 Sept
LHR11:30London Heathrow
12h 25m
1 stop
JFK18:55New York John F Kennedy Intl
Iberia
7 Nov
JFK10:15New York John F Kennedy Intl
6h 55m
LHR22:10London Heathrow
11 Nov
LHR10:45London Heathrow
13h 30m
1 stop
JFK19:15New York John F Kennedy Intl

Scandinavian Airlines flights from Pennsylvania to London

Our best Scandinavian Airlines deals on Pennsylvania to London flight tickets
Scandinavian Airlines
24 Nov
JFK17:35New York John F Kennedy Intl
34h 20m
2 stops
LHR08:55London Heathrow
27 Nov
LHR06:40London Heathrow
14h 05m
1 stop
JFK15:45New York John F Kennedy Intl
Scandinavian Airlines
3 Oct
EWR17:30Newark
15h 05m
2 stops
LHR13:35London Heathrow
5 Oct
LHR06:40London Heathrow
11h 35m
1 stop
EWR13:15Newark

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 19 september 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

JFK - LGW

JFKLGW

New York John F Kennedy Intl

ti. 7/10

18:20-06:20

Nonstop7h 00m

London Gatwick

ti. 28/10

13:00-16:50

Nonstop7h 50m

£320

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sø. 9/11

22:00-17:30

1 stop14h 30m

London Heathrow

ma. 24/11

18:30-20:05

1 stop30h 35m

£324

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

on. 5/11

10:05-21:05

3 stops30h 00m

London Stansted

sø. 9/11

21:45-20:58

3 stops28h 13m

£330

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

fr. 3/10

16:50-16:20

1 stop18h 30m

London Heathrow

sø. 5/10

09:45-12:40

Nonstop7h 55m

£331

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

fr. 31/10

16:20-10:20

2 stops14h 00m

London Gatwick

sø. 9/11

21:35-19:03

3 stops26h 28m

£331

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

ma. 8/12

23:45-18:00

1 stop13h 15m

London Heathrow

ti. 13/1

18:50-22:00

1 stop32h 10m

£333

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

lø. 8/11

23:45-09:10

1 stop28h 25m

London Heathrow

ma. 15/12

09:55-22:00

1 stop17h 05m

£335

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sø. 9/11

21:30-09:20

Nonstop6h 50m

London Heathrow

ti. 18/11

06:30-19:20

1 stop17h 50m

£337

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sø. 9/11

21:30-09:20

Nonstop6h 50m

London Heathrow

ti. 18/11

11:45-19:20

1 stop12h 35m

£361

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

fr. 7/11

10:15-22:10

Nonstop6h 55m

London Heathrow

ti. 11/11

10:45-19:15

1 stop13h 30m

£366

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 £483, 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 £486.

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 £494. 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 £734.

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 £490. Flights at midday are often more expensive, with an average ticket price of £727.

What is the cheapest Pennsylvania to London flight route?

Fly from Philadelphia 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 £604 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 £530 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 58% 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

£380

Fastest flight time

6h 50m

Direct flights

Every day

Airports in London

2 airports
The best one-way flight to London from Pennsylvania in the past 72 hours is £380. The best return flight deal from Pennsylvania to London found on momondo in the last 72 hours is £430.
The fastest flight from Pennsylvania to London takes 6h 50m
Direct flights go from Pennsylvania to London every day.
There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)
  • 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 £385Free CancellationRating
6.7
7,373 reviews
Search British Airways flights
Aer LingusPriceFrom £386Free CancellationRating
7.2
1,284 reviews
Search Aer Lingus flights
JetBluePriceFrom £421Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
IberiaPriceFrom £456Free CancellationRating
7.0
2,926 reviews
Search Iberia flights
American AirlinesPriceFrom £503Free CancellationRating
7.2
10,000 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
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

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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1 adult
sø. 19/10
sø. 26/10

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