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Cheap flights from Pennsylvania to the United Kingdom from $283

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 10/13. 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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Find the cheapest flights from Pennsylvania to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:40 pm - 6:50 am
JFK
-
LHR
7h 10mnonstop
British Airways Logo
10:10 am - 1:00 pm
LHR
-
JFK
7h 50mnonstop
$644British Airways
Wed, Sep 16 - Sun, Oct 4
Multiple Airlines Logo
8:30 pm - 9:55 pm
JFK
-
LTN
20h 25m
2 stops
Multiple Airlines Logo
11:00 am - 10:05 pm
LTN
-
JFK
16h 05m
2 stops
$644Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
TAP AIR PORTUGAL Logo
10:00 pm - 3:45 pm
JFK
-
LGW
12h 45m
1 stop
TAP AIR PORTUGAL Logo
10:40 am - 8:05 pm
LGW
-
JFK
14h 25m
1 stop
$644TAP AIR PORTUGAL
Mon, Nov 2 - Wed, Dec 2
TAP AIR PORTUGAL Logo
10:05 pm - 6:50 pm
JFK
-
LHR
15h 45m
1 stop
TAP AIR PORTUGAL Logo
8:00 am - 8:05 pm
LHR
-
JFK
17h 05m
1 stop
$645TAP AIR PORTUGAL
Tue, Oct 6 - Sun, Oct 11
Air Europa Logo
12:40 am - 4:25 pm
JFK
-
LGW
10h 45m
1 stop
Air Europa Logo
10:00 am - 5:45 pm
LGW
-
JFK
12h 45m
1 stop
$646Air Europa
Mon, Aug 31 - Tue, Sep 15
Norse Atlantic UK Logo
6:20 pm - 6:20 am
JFK
-
LGW
7h 00mnonstop
Norse Atlantic UK Logo
1:05 pm - 3:55 pm
LGW
-
JFK
7h 50mnonstop
$647Norse Atlantic UK
Fri, Sep 11 - Fri, Sep 18
Air Europa Logo
10:05 pm - 4:25 pm
JFK
-
LGW
13h 20m
1 stop
Air Europa Logo
10:00 am - 5:45 pm
LGW
-
JFK
12h 45m
1 stop
$648Air Europa
Sat, Jun 6 - Thu, Jun 18
Norse Atlantic UK Logo
6:20 pm - 6:20 am
JFK
-
LGW
7h 00mnonstop
Norse Atlantic UK Logo
1:05 pm - 3:55 pm
LGW
-
JFK
7h 50mnonstop
$649Norse Atlantic UK
Fri, Sep 4 - Tue, Sep 8
Scandinavian Airlines Logo
6:55 pm - 9:20 am
JFK
-
LHR
33h 25m
1 stop
Scandinavian Airlines Logo
7:05 am - 3:40 pm
LHR
-
JFK
13h 35m
1 stop
$653Scandinavian Airlines
Fri, Aug 28 - Mon, Aug 31
Scandinavian Airlines Logo
8:20 pm - 8:55 am
IAD
-
LHR
31h 35m
2 stops
Scandinavian Airlines Logo
7:50 pm - 5:00 pm
LHR
-
IAD
26h 10m
2 stops
$805Scandinavian Airlines
Sat, Oct 10 - Fri, Oct 16

Scandinavian Airlines flights from Pennsylvania to United Kingdom

Our best Scandinavian Airlines deals on Pennsylvania to United Kingdom flight tickets
Scandinavian Airlines
Aug 3
EWR5:20 pmNewark
34h 35m
1 stop
LHR8:55 amLondon Heathrow
Aug 6
LHR7:05 amLondon Heathrow
11h 10m
1 stop
EWR1:15 pmNewark
$707
Scandinavian Airlines
May 20
EWR5:45 pmNewark
17h 40m
1 stop
LHR4:25 pmLondon Heathrow
May 25
LHR9:05 pmLondon Heathrow
21h 10m
1 stop
EWR1:15 pmNewark
$843

SWISS flights from Pennsylvania to United Kingdom

Our best SWISS deals on Pennsylvania to United Kingdom flight tickets
SWISS
Aug 12
JFK4:15 pmNew York John F Kennedy Intl
10h 40m
1 stop
LHR7:55 amLondon Heathrow
Sep 30
LHR6:00 amLondon Heathrow
11h 50m
1 stop
JFK12:50 pmNew York John F Kennedy Intl
$724
SWISS
Sep 24
EWR9:45 pmNewark
15h 05m
1 stop
LGW5:50 pmLondon Gatwick
Sep 29
LGW9:25 amLondon Gatwick
15h 50m
1 stop
EWR8:15 pmNewark
$727
SWISS
May 15
JFK4:15 pmNew York John F Kennedy Intl
11h 10m
1 stop
LCY8:25 amLondon City
May 19
LCY9:15 amLondon City
12h 20m
1 stop
JFK4:35 pmNew York John F Kennedy Intl
$811

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated May 14, 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 round-trip

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 9/16

6:40 pm-6:50 am

Nonstop7h 10m

London Heathrow

Sun 10/4

10:10 am-1:00 pm

Nonstop7h 50m

$644

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Sat 9/5

8:30 pm-9:55 pm

2 stops20h 25m

London Luton

Sat 9/12

11:00 am-10:05 pm

2 stops16h 05m

$644

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 11/2

10:00 pm-3:45 pm

1 stop12h 45m

London Gatwick

Wed 12/2

10:40 am-8:05 pm

1 stop14h 25m

$644

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 10/6

10:05 pm-6:50 pm

1 stop15h 45m

London Heathrow

Sun 10/11

8:00 am-8:05 pm

1 stop17h 05m

$645

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 8/31

12:40 am-4:25 pm

1 stop10h 45m

London Gatwick

Tue 9/15

10:00 am-5:45 pm

1 stop12h 45m

$646
Quickest round-trip

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 9/11

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Fri 9/18

1:05 pm-3:55 pm

Nonstop7h 50m

$647

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sat 6/6

10:05 pm-4:25 pm

1 stop13h 20m

London Gatwick

Thu 6/18

10:00 am-5:45 pm

1 stop12h 45m

$648

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 9/4

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Tue 9/8

1:05 pm-3:55 pm

Nonstop7h 50m

$649

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 8/28

6:55 pm-9:20 am

1 stop33h 25m

London Heathrow

Mon 8/31

7:05 am-3:40 pm

1 stop13h 35m

$653

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 10/10

8:20 pm-8:55 am

2 stops31h 35m

London Heathrow

Fri 10/16

7:50 pm-5:00 pm

2 stops26h 10m

$805

Flights are sorted by cheapest round-trip 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?

In general, February is the cheapest month to fly from Pennsylvania to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $45. If you aren’t able to travel to United Kingdom during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $103.

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 Wednesday when prices can be found for as low as $787. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,050.

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

According to our data, the cheapest time of day to fly to United Kingdom is in the afternoon. momondo users have found flights departing from Pennsylvania to United Kingdom in the afternoon for as low as $838. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $958. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $858 when searching weeks out. 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 $708 on momondo.

Can stopping save me money on Pennsylvania to United Kingdom flights?

You could potentially save up to 45% 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

$395

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 $395. The best round-trip flight deal from Pennsylvania to United Kingdom found on momondo in the last 72 hours is $1,062.
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 were last updated today.

  • 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 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 United Kingdom.

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

    The travel and health documents required for your trip to United Kingdom 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 United Kingdom. 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 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
JetBluePriceFrom $95Free CancellationRating
7.1
2,975 reviews
Search JetBlue flights
DeltaPriceFrom $219Free CancellationRating
7.9
8,456 reviews
Search Delta flights
Aer LingusPriceFrom $479Free CancellationRating
7.3
1,561 reviews
Search Aer Lingus flights
IcelandairPriceFrom $485Free CancellationRating
7.0
654 reviews
Search Icelandair flights
British AirwaysPriceFrom $500Free CancellationRating
6.7
7,980 reviews
Search British Airways flights
FinnairPriceFrom $513Free CancellationRating
7.6
1,393 reviews
Search Finnair flights
American AirlinesPriceFrom $515Free CancellationRating
7.1
11,666 reviews
Search American Airlines flights
United AirlinesPriceFrom $560Free CancellationRating
7.4
9,718 reviews
Search United Airlines flights
IberiaPriceFrom $567Free CancellationRating
7.0
3,216 reviews
Search Iberia flights
LufthansaPriceFrom $622Free CancellationRating
6.8
8,002 reviews
Search Lufthansa flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pennsylvania to United Kingdom. Millions of users trust and use momondo every year so you are in good hands.

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?

Once you have performed a search for Pennsylvania to United Kingdom 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 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 $504
Flights to Manchesterfrom $531
Flights to Edinburghfrom $616
Flights to Glasgowfrom $545
Flights to Birminghamfrom $653
Flights to Newcastle upon Tynefrom $688
Flights to Belfastfrom $688
Flights to Bristolfrom $657
Flights to Invernessfrom $729
Flights to Liverpoolfrom $737
Flights to Leedsfrom $648
Flights to Aberdeenfrom $817