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Cheap flights from Pennsylvania to the United Kingdom from £181

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 the United Kingdom departing on 26/8. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Pennsylvania to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:30 - 00:10
JFK
-
STN
22h 40m
2 stops
Multiple Airlines Logo
20:00 - 19:20
STN
-
JFK
28h 20m
2 stops
£469Multiple Airlines
Tue, 18 Aug - Wed, 26 Aug
Icelandair Logo
23:10 - 14:40
JFK
-
LGW
10h 30m
1 stop
Icelandair Logo
15:40 - 22:05
LGW
-
JFK
11h 25m
1 stop
£469Icelandair
Tue, 15 Sep - Thu, 24 Sep
Icelandair Logo
20:30 - 11:55
JFK
-
LHR
10h 25m
1 stop
Icelandair Logo
13:05 - 19:20
LHR
-
JFK
11h 15m
1 stop
£470Icelandair
Tue, 8 Sep - Sat, 19 Sep
Multiple Airlines Logo
23:10 - 00:30
JFK
-
STN
20h 20m
2 stops
Multiple Airlines Logo
10:45 - 22:05
STN
-
JFK
16h 20m
2 stops
£470Multiple Airlines
Thu, 1 Oct - Tue, 6 Oct
Norse Atlantic UK Logo
18:20 - 06:20
JFK
-
LGW
7h 00mdirect
Norse Atlantic UK Logo
13:05 - 15:55
LGW
-
JFK
7h 50mdirect
£473Norse Atlantic UK
Wed, 12 Aug - Tue, 25 Aug
Norse Atlantic UK Logo
18:20 - 06:20
JFK
-
LGW
7h 00mdirect
Norse Atlantic UK Logo
13:05 - 15:55
LGW
-
JFK
7h 50mdirect
£474Norse Atlantic UK
Tue, 25 Aug - Sat, 12 Sep
TAP AIR PORTUGAL Logo
22:05 - 18:50
JFK
-
LHR
15h 45m
1 stop
TAP AIR PORTUGAL Logo
11:20 - 20:05
LHR
-
JFK
13h 45m
1 stop
£475TAP AIR PORTUGAL
Fri, 9 Oct - Sat, 17 Oct
TAP AIR PORTUGAL Logo
22:00 - 15:05
JFK
-
LGW
12h 05m
1 stop
TAP AIR PORTUGAL Logo
10:40 - 20:05
LGW
-
JFK
14h 25m
1 stop
£475TAP AIR PORTUGAL
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
17:10 - 10:25
LGA
-
LHR
12h 15m
1 stop
British Airways Logo
17:15 - 08:38
LHR
-
LGA
20h 23m
1 stop
£476British Airways
Thu, 5 Nov - Thu, 12 Nov
British Airways Logo
16:55 - 10:15
LGA
-
LHR
12h 20m
1 stop
British Airways Logo
17:15 - 09:00
LHR
-
LGA
19h 45m
1 stop
£477British Airways
Tue, 20 Oct - Sun, 25 Oct

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British Airways flights from Pennsylvania to United Kingdom

Our best British Airways deals on Pennsylvania to United Kingdom flight tickets
British Airways
5 Nov
LGA17:10New York LaGuardia
12h 15m
1 stop
LHR10:25London Heathrow
12 Nov
LHR17:15London Heathrow
20h 23m
1 stop
LGA08:38New York LaGuardia
£476
British Airways
20 Oct
LGA16:55New York LaGuardia
12h 20m
1 stop
LHR10:15London Heathrow
25 Oct
LHR17:15London Heathrow
19h 45m
1 stop
LGA09:00New York LaGuardia
£477
British Airways
20 Sept
JFK19:35New York John F Kennedy Intl
7h 10m
LHR07:45London Heathrow
13 Dec
LHR18:00London Heathrow
8h 05m
JFK21:05New York John F Kennedy Intl
£480

United Airlines flights from Pennsylvania to United Kingdom

Our best United Airlines deals on Pennsylvania to United Kingdom flight tickets
United Airlines
30 Sept
IAD17:40Washington, D.C. Dulles Intl
11h 20m
1 stop
LHR10:00London Heathrow
2 Oct
LHR06:50London Heathrow
11h 40m
1 stop
IAD13:30Washington, D.C. Dulles Intl
£548
United Airlines
26 Sept
IAD22:40Washington, D.C. Dulles Intl
27h 35m
1 stop
LHR07:15London Heathrow
29 Sept
LHR06:50London Heathrow
12h 25m
1 stop
IAD14:15Washington, D.C. Dulles Intl
£554
United Airlines
5 Oct
EWR22:00Newark
7h 25m
LHR10:25London Heathrow
15 Oct
LHR13:50London Heathrow
11h 25m
1 stop
EWR20:15Newark
£590

momondo Fare Finder

 
Customise your flight search to find flights from Pennsylvania to United Kingdom 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 29 June 2026.
Use the filters below to find and compare flights from Pennsylvania to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Tue 18/8

20:30-00:10

2 stops22h 40m

London Stansted

Wed 26/8

20:00-19:20

2 stops28h 20m

£469

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Tue 15/9

23:10-14:40

1 stop10h 30m

London Gatwick

Thu 24/9

15:40-22:05

1 stop11h 25m

£469

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 8/9

20:30-11:55

1 stop10h 25m

London Heathrow

Sat 19/9

13:05-19:20

1 stop11h 15m

£470

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 1/10

23:10-00:30

2 stops20h 20m

London Stansted

Tue 6/10

10:45-22:05

2 stops16h 20m

£470
Fastest return journey

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 12/8

18:20-06:20

Nonstop7h 00m

London Gatwick

Tue 25/8

13:05-15:55

Nonstop7h 50m

£473

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Tue 25/8

18:20-06:20

Nonstop7h 00m

London Gatwick

Sat 12/9

13:05-15:55

Nonstop7h 50m

£474

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/10

22:05-18:50

1 stop15h 45m

London Heathrow

Sat 17/10

11:20-20:05

1 stop13h 45m

£475

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 4/11

22:00-15:05

1 stop12h 05m

London Gatwick

Sun 8/11

10:40-20:05

1 stop14h 25m

£475

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 5/11

17:10-10:25

1 stop12h 15m

London Heathrow

Thu 12/11

17:15-08:38

1 stop20h 23m

£476

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 20/10

16:55-10:15

1 stop12h 20m

London Heathrow

Sun 25/10

17:15-09:00

1 stop19h 45m

£477

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 the United Kingdom from

How to get the cheapest flight ticket from Pennsylvania to United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from Pennsylvania is in February. Flight prices, which tend to average around £34, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Pennsylvania during the month January is also very affordable. Most momondo users find prices during this month for around £78.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Pennsylvania to United Kingdom is on a Tuesday. Travellers who choose to depart for United Kingdom on a Tuesday will often find tickets for as low as £544. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to United Kingdom for around £1,099.

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

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £666. Try not to purchase tickets in the evening because they tend to be around £678. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Pennsylvania to United Kingdom flight route?

Fly from Philadelphia to London Heathrow for the best Pennsylvania - United Kingdom flight prices

How far in advance should I book a flight from Pennsylvania to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £680 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Pennsylvania for as low as £492 on momondo.

What cabin class options are available on Pennsylvania to United Kingdom flights?

There are 3 cabin classes available to choose from on Pennsylvania to United Kingdom 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 United Kingdom flights?

You could potentially save up to 16% on your flight if you consider stops on a Pennsylvania to United Kingdom flight.

Cheap Pennsylvania to United Kingdom flight deals and tips

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

Best price found

£249

Fastest flight time

6h 30m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from Pennsylvania in the past 72 hours is £249. The best return flight deal from Pennsylvania to United Kingdom found on momondo in the last 72 hours is £704.
The fastest flight from Pennsylvania to United Kingdom takes 6h 30m
Direct flights go from Pennsylvania to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Pennsylvania there are direct flights to London Heathrow (LHR), London Gatwick (LGW).
Search flight deals

Frequently asked questions about flying from Pennsylvania to the United Kingdom

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

    Prices for flights from Pennsylvania to United Kingdom are updated daily.

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

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

    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 Pennsylvania to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Pennsylvania to United Kingdom

Compare and see reviews for airlines that fly from Pennsylvania to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £390Free CancellationRating
6.7
8,085 reviews
Search British Airways flights
American AirlinesPriceFrom £518Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
United AirlinesPriceFrom £1,048Free CancellationRating
7.4
9,897 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to United Kingdom for you.

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

momondo does allow users to show only those flights to United Kingdom from Pennsylvania which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Pennsylvania to United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to United Kingdom from Pennsylvania are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom £30
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Flights to Birminghamfrom £35
Flights to Edinburghfrom £30
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Flights to Glasgowfrom £30
Flights to Bristolfrom £38
Flights to Newcastle upon Tynefrom £36
Flights to Liverpoolfrom £35
Flights to Leedsfrom £64
Flights to Aberdeenfrom £60
Flights to Invernessfrom £44