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Cheap flights from Pennsylvania to the United Kingdom from £146

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 31/3. 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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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
23:10 - 00:30
JFK
-
STN
20h 20m
2 stops
Multiple Airlines Logo
21:40 - 22:05
STN
-
JFK
29h 25m
2 stops
£367Multiple Airlines
Thu, 7 May - Sat, 9 May
Multiple Airlines Logo
23:10 - 00:10
JFK
-
STN
20h 00m
2 stops
Multiple Airlines Logo
21:40 - 22:05
STN
-
JFK
29h 25m
2 stops
£368Multiple Airlines
Tue, 5 May - Sat, 9 May
Norse Atlantic UK Logo
18:20 - 06:20
JFK
-
LGW
7h 00mdirect
Norse Atlantic UK Logo
13:05 - 15:55
LGW
-
JFK
7h 50mdirect
£369Norse Atlantic UK
Sat, 2 May - Fri, 8 May
Norse Atlantic UK Logo
18:20 - 06:20
JFK
-
LGW
7h 00mdirect
Norse Atlantic UK Logo
13:05 - 15:55
LGW
-
JFK
7h 50mdirect
£371Norse Atlantic UK
Fri, 24 Apr - Thu, 7 May
Scandinavian Airlines Logo
17:15 - 13:35
EWR
-
LHR
15h 20m
1 stop
Scandinavian Airlines Logo
06:40 - 13:15
LHR
-
EWR
11h 35m
1 stop
£384Scandinavian Airlines
Fri, 24 Apr - Sun, 26 Apr
TAP AIR PORTUGAL Logo
23:10 - 20:25
EWR
-
LGW
16h 15m
1 stop
TAP AIR PORTUGAL Logo
12:05 - 21:10
LGW
-
EWR
14h 05m
1 stop
£387TAP AIR PORTUGAL
Sun, 26 Apr - Mon, 4 May
Scandinavian Airlines Logo
17:20 - 14:35
EWR
-
LHR
16h 15m
2 stops
Scandinavian Airlines Logo
06:40 - 13:15
LHR
-
EWR
11h 35m
1 stop
£388Scandinavian Airlines
Fri, 24 Apr - Sun, 26 Apr
TAP AIR PORTUGAL Logo
22:05 - 22:55
JFK
-
LHR
19h 50m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 20:05
LHR
-
JFK
19h 05m
1 stop
£388TAP AIR PORTUGAL
Mon, 4 May - Wed, 20 May
Air Canada Logo
15:50 - 08:35
JFK
-
LHR
11h 45m
1 stop
Air Canada Logo
08:30 - 15:07
LHR
-
JFK
11h 37m
1 stop
£391Air Canada
Tue, 12 May - Fri, 22 May
Air Canada Logo
14:30 - 09:35
LGA
-
LHR
14h 05m
1 stop
Air Canada Logo
14:05 - 19:31
LHR
-
LGA
10h 26m
1 stop
£476Air Canada
Sun, 12 Apr - Sat, 25 Apr

TAP AIR PORTUGAL flights from Pennsylvania to United Kingdom

Our best TAP AIR PORTUGAL deals on Pennsylvania to United Kingdom flight tickets
TAP AIR PORTUGAL
26 Apr
EWR23:10Newark
16h 15m
1 stop
LGW20:25London Gatwick
4 May
LGW12:05London Gatwick
14h 05m
1 stop
EWR21:10Newark
£387
TAP AIR PORTUGAL
4 May
JFK22:05New York John F Kennedy Intl
19h 50m
1 stop
LHR22:55London Heathrow
20 May
LHR06:00London Heathrow
19h 05m
1 stop
JFK20:05New York John F Kennedy Intl
£388
TAP AIR PORTUGAL
21 Apr
EWR23:10Newark
16h 15m
1 stop
LGW20:25London Gatwick
12 May
LGW21:15London Gatwick
28h 55m
1 stop
EWR21:10Newark
£389

Scandinavian Airlines flights from Pennsylvania to United Kingdom

Our best Scandinavian Airlines deals on Pennsylvania to United Kingdom flight tickets
Scandinavian Airlines
24 Apr
EWR17:15Newark
15h 20m
1 stop
LHR13:35London Heathrow
26 Apr
LHR06:40London Heathrow
11h 35m
1 stop
EWR13:15Newark
£384
Scandinavian Airlines
24 Apr
EWR17:45Newark
15h 50m
1 stop
LHR14:35London Heathrow
26 Apr
LHR06:40London Heathrow
11h 35m
1 stop
EWR13:15Newark
£388
Scandinavian Airlines
17 Apr
EWR17:45Newark
15h 50m
1 stop
LHR14:35London Heathrow
19 Apr
LHR06:40London Heathrow
11h 35m
1 stop
EWR13:15Newark
£390

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 26 March 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

Thu 7/5

23:10-00:30

2 stops20h 20m

London Stansted

Sat 9/5

21:40-22:05

2 stops29h 25m

£367

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Tue 5/5

23:10-00:10

2 stops20h 00m

London Stansted

Sat 9/5

21:40-22:05

2 stops29h 25m

£368
Fastest return journey

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sat 2/5

18:20-06:20

Nonstop7h 00m

London Gatwick

Fri 8/5

13:05-15:55

Nonstop7h 50m

£369

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 24/4

18:20-06:20

Nonstop7h 00m

London Gatwick

Thu 7/5

13:05-15:55

Nonstop7h 50m

£371

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 24/4

17:15-13:35

1 stop15h 20m

London Heathrow

Sun 26/4

06:40-13:15

1 stop11h 35m

£384

NewarkLondon

EWR - LGW

EWRLGW

Newark

Sun 26/4

23:10-20:25

1 stop16h 15m

London Gatwick

Mon 4/5

12:05-21:10

1 stop14h 05m

£387

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 24/4

17:20-14:35

2 stops16h 15m

London Heathrow

Sun 26/4

06:40-13:15

1 stop11h 35m

£388

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 4/5

22:05-22:55

1 stop19h 50m

London Heathrow

Wed 20/5

06:00-20:05

1 stop19h 05m

£388

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 12/5

15:50-08:35

1 stop11h 45m

London Heathrow

Fri 22/5

08:30-15:07

1 stop11h 37m

£391

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 12/4

14:30-09:35

1 stop14h 05m

London Heathrow

Sat 25/4

14:05-19:31

1 stop10h 26m

£476

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 September. Flight prices, which tend to average around £483, 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 September, then departing from Pennsylvania during the month November is also very affordable. Most momondo users find prices during this month for around £496.

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 £502. 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 £741.

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 evening when flights can be purchased for as low as £591. Try not to purchase tickets in the afternoon because they tend to be around £600. 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 to 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 £618 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 £516 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 26% 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

£353

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 £353. The best return flight deal from Pennsylvania to United Kingdom found on momondo in the last 72 hours is £645.
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 City (LCY), London Luton (LTN), London Heathrow (LHR), London Stansted (STN) and 1 more.
Search flight deals

  • 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 £385Free CancellationRating
6.7
7,821 reviews
Search British Airways flights
Aer LingusPriceFrom £392Free CancellationRating
7.2
1,489 reviews
Search Aer Lingus flights
American AirlinesPriceFrom £510Free CancellationRating
7.1
11,493 reviews
Search American Airlines flights
United AirlinesPriceFrom £1,033Free CancellationRating
7.4
9,483 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.

An easier way to manage your United Kingdom trip

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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 £28
Flights to Manchesterfrom £32
Flights to Birminghamfrom £38
Flights to Edinburghfrom £27
Flights to Belfastfrom £26
Flights to Glasgowfrom £30
Flights to Bristolfrom £44
Flights to Newcastle upon Tynefrom £37
Flights to Liverpoolfrom £43
Flights to Aberdeenfrom £58
Flights to Leedsfrom £49
Flights to Invernessfrom £40