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Cheap flights from Pennsylvania to the United Kingdom from $245

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 7/18. 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 round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:00 pm - 9:35 pm
JFK
-
LHR
18h 35m
1 stop
TAP AIR PORTUGAL Logo
7:55 pm - 8:05 pm
LHR
-
JFK
29h 10m
1 stop
$641TAP AIR PORTUGAL
Mon, Nov 23 - Sun, Nov 29
Multiple Airlines Logo
8:30 pm - 12:30 am
JFK
-
STN
23h 00m
2 stops
Multiple Airlines Logo
7:20 am - 10:05 pm
STN
-
JFK
19h 45m
2 stops
$641Multiple Airlines
Thu, Oct 1 - Thu, Oct 8
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
$641Norse Atlantic UK
Fri, Aug 21 - Tue, Aug 25
Icelandair Logo
8:30 pm - 11:45 am
JFK
-
LGW
10h 15m
1 stop
Icelandair Logo
3:40 pm - 10:05 pm
LGW
-
JFK
11h 25m
1 stop
$642Icelandair
Mon, Aug 17 - Thu, Aug 27
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
$643Norse Atlantic UK
Thu, Aug 20 - Thu, Aug 27
Icelandair Logo
11:10 pm - 11:55 am
JFK
-
LHR
31h 45m
1 stop
Icelandair Logo
1:05 pm - 7:20 pm
LHR
-
JFK
11h 15m
1 stop
$644Icelandair
Sat, Aug 22 - Fri, Sep 4
Scandinavian Airlines Logo
8:20 pm - 4:00 pm
IAD
-
LHR
14h 40m
1 stop
Scandinavian Airlines Logo
6:40 am - 5:00 pm
LHR
-
IAD
15h 20m
1 stop
$696Scandinavian Airlines
Fri, Oct 2 - Fri, Oct 16
Virgin Atlantic Logo
5:00 pm - 11:20 am
LGA
-
LHR
13h 20m
1 stop
Virgin Atlantic Logo
11:15 am - 11:45 pm
LHR
-
LGA
16h 30m
2 stops
$697Virgin Atlantic
Sun, Oct 18 - Sat, Oct 31
Virgin Atlantic Logo
8:00 pm - 10:40 am
LGA
-
LHR
9h 40m
1 stop
Virgin Atlantic Logo
3:15 pm - 11:42 pm
LHR
-
LGA
13h 27m
1 stop
$703Virgin Atlantic
Mon, Sep 21 - Fri, Sep 25
Scandinavian Airlines Logo
8:20 pm - 4:25 pm
IAD
-
LHR
15h 05m
2 stops
Scandinavian Airlines Logo
6:40 pm - 5:00 pm
LHR
-
IAD
27h 20m
1 stop
$704Scandinavian Airlines
Thu, Oct 1 - Tue, Oct 6

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Aer Lingus flights from Pennsylvania to United Kingdom

Our best Aer Lingus deals on Pennsylvania to United Kingdom flight tickets
Aer Lingus
Jul 3
JFK6:25 pmNew York John F Kennedy Intl
9h 40m
1 stop
LHR9:05 amLondon Heathrow
Sep 4
LHR4:50 pmLondon Heathrow
10h 35m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$769
Aer Lingus
Aug 6
EWR5:35 pmNewark
14h 05m
1 stop
LHR12:40 pmLondon Heathrow
Aug 20
LHR7:40 amLondon Heathrow
13h 25m
1 stop
EWR4:05 pmNewark
$773
Aer Lingus
Jul 3
JFK4:55 pmNew York John F Kennedy Intl
10h 10m
1 stop
LHR8:05 amLondon Heathrow
Sep 4
LHR4:50 pmLondon Heathrow
10h 35m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$777

Lufthansa flights from Pennsylvania to United Kingdom

Our best Lufthansa deals on Pennsylvania to United Kingdom flight tickets
Lufthansa
Sep 23
IAD10:20 pmWashington, D.C. Dulles Intl
15h 05m
1 stop
LHR6:25 pmLondon Heathrow
Sep 25
LHR9:30 amLondon Heathrow
11h 35m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$752
Lufthansa
Aug 17
LGA5:35 pmNew York LaGuardia
11h 25m
1 stop
LHR10:00 amLondon Heathrow
Aug 25
LHR2:05 pmLondon Heathrow
10h 35m
1 stop
LGA7:40 pmNew York LaGuardia
$758
Lufthansa
Jul 4
JFK8:30 pmNew York John F Kennedy Intl
30h 25m
1 stop
LHR7:55 amLondon Heathrow
Sep 13
LHR7:25 amLondon Heathrow
12h 35m
1 stop
JFK3:00 pmNew York John F Kennedy Intl
$799

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 June 26, 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

Mon 11/23

10:00 pm-9:35 pm

1 stop18h 35m

London Heathrow

Sun 11/29

7:55 pm-8:05 pm

1 stop29h 10m

$641

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 10/1

8:30 pm-12:30 am

2 stops23h 00m

London Stansted

Thu 10/8

7:20 am-10:05 pm

2 stops19h 45m

$641
Quickest round-trip

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Fri 8/21

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Tue 8/25

1:05 pm-3:55 pm

Nonstop7h 50m

$641

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 8/17

8:30 pm-11:45 am

1 stop10h 15m

London Gatwick

Thu 8/27

3:40 pm-10:05 pm

1 stop11h 25m

$642

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 8/20

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Thu 8/27

1:05 pm-3:55 pm

Nonstop7h 50m

$643

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 8/22

11:10 pm-11:55 am

1 stop31h 45m

London Heathrow

Fri 9/4

1:05 pm-7:20 pm

1 stop11h 15m

$644

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 10/2

8:20 pm-4:00 pm

1 stop14h 40m

London Heathrow

Fri 10/16

6:40 am-5:00 pm

1 stop15h 20m

$696

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 10/18

5:00 pm-11:20 am

1 stop13h 20m

London Heathrow

Sat 10/31

11:15 am-11:45 pm

2 stops16h 30m

$697

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 9/21

8:00 pm-10:40 am

1 stop9h 40m

London Heathrow

Fri 9/25

3:15 pm-11:42 pm

1 stop13h 27m

$703

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 10/1

8:20 pm-4:25 pm

2 stops15h 05m

London Heathrow

Tue 10/6

6:40 pm-5:00 pm

1 stop27h 20m

$704

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 $809. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,067.

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 $867. 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 $1,012. 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 Pittsburgh 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 $894 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 $650 on momondo.

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

There are 4 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 36% 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

$394

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 $394. The best round-trip flight deal from Pennsylvania to United Kingdom found on momondo in the last 72 hours is $988.
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
3,013 reviews
Search JetBlue flights
Aer LingusPriceFrom $479Free CancellationRating
7.3
1,628 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
8,072 reviews
Search British Airways flights
IcelandairPriceFrom $499Free CancellationRating
7.0
690 reviews
Search Icelandair flights
American AirlinesPriceFrom $512Free CancellationRating
7.1
11,778 reviews
Search American Airlines flights
FinnairPriceFrom $513Free CancellationRating
7.6
1,415 reviews
Search Finnair flights
DeltaPriceFrom $531Free CancellationRating
7.8
8,452 reviews
Search Delta flights
IberiaPriceFrom $559Free CancellationRating
7.0
3,250 reviews
Search Iberia flights
United AirlinesPriceFrom $583Free CancellationRating
7.4
9,895 reviews
Search United Airlines flights
LufthansaPriceFrom $622Free CancellationRating
6.8
8,100 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 $369
Flights to Manchesterfrom $192
Flights to Edinburghfrom $149
Flights to Glasgowfrom $145
Flights to Birminghamfrom $464
Flights to Newcastle upon Tynefrom $397
Flights to Belfastfrom $330
Flights to Bristolfrom $539
Flights to Invernessfrom $393
Flights to Liverpoolfrom $636
Flights to Aberdeenfrom $253
Flights to Leedsfrom $439