What is the cheapest airline that flies from Pennsylvania to London Heathrow?

TAP AIR PORTUGAL, JetBlue, and LEVEL are the most popular carriers operating from Pennsylvania to London Heathrow

How many flights depart from Pennsylvania to London Heathrow Airport on average per day?

The number of flights available between Pennsylvania and London Heathrow Airport is 211 per day as of August 2025. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

How long does it take to fly to London Heathrow Airport?

On average, it takes 7h to fly from Pennsylvania to London Heathrow Airport if you fly out of Philadelphia (the most popular airport in Pennsylvania) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Pittsburgh and into London Heathrow Airport, then the flight time is around 7h 20m.

How many flights depart from Pennsylvania to London Heathrow Airport on average per week?

The number of flights available between Pennsylvania and London Heathrow Airport is 1,478 per week as of August 2025. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.

What airlines fly to London Heathrow Airport?

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Pennsylvania according to our data. British Airways is the first choice among our users, with 53% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Pennsylvania to London Heathrow Airport?

The number of operators available for flights from Pennsylvania to London Heathrow Airport is 22 as of August 2025.

How old do you have to be to fly from Pennsylvania to London Heathrow Airport?

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 Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$155 Cheap Flights from Pennsylvania to London Heathrow Airport in 2025

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Find the cheapest flights from Pennsylvania to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:45 pm - 9:10 amJFK-LHR

28h 25m1 stop

6:50 pm - 10:00 pmLHR-JFK

32h 10m1 stop

$419LEVEL

Find Deal

mar., nov. 11 - vie., nov. 14

6:25 pm - 9:05 amJFK-LHR

9h 40m1 stop

12:00 pm - 7:20 pmLHR-JFK

12h 20m1 stop

$425Aer Lingus

Find Deal

vie., sep. 12 - mié., sep. 24

5:10 pm - 2:35 pmJFK-LHR

16h 25m1 stop

9:55 am - 3:40 pmLHR-JFK

34h 45m2 stops

$428Scandinavian Airlines

Find Deal

vie., oct. 10 - dom., oct. 12

8:30 pm - 5:50 pmJFK-LHR

16h 20m1 stop

5:50 pm - 1:00 pmLHR-JFK

24h 10m1 stop

$429

Find Deal

vie., sep. 5 - dom., sep. 7

2:35 pm - 6:45 amJFK-LHR

11h 10m1 stop

8:40 am - 3:25 pmLHR-JFK

11h 45m1 stop

$431Virgin Atlantic

Find Deal

mar., sep. 30 - mar., oct. 7

9:45 am - 9:40 pmJFK-LHR

6h 55mnonstop

8:00 pm - 6:55 pmLHR-JFK

27h 55m1 stop

$432Iberia

Find Deal

sáb., sep. 13 - dom., sep. 14

9:35 pm - 9:35 amJFK-LHR

7h 00mnonstop

9:15 am - 7:15 pmLHR-JFK

15h 00m1 stop

$435Iberia

Find Deal

vie., nov. 21 - dom., nov. 23

11:25 pm - 11:25 amJFK-LHR

7h 00mnonstop

10:55 am - 2:05 pmLHR-JFK

8h 10mnonstop

$442Virgin Atlantic

Find Deal

mar., sep. 30 - mar., oct. 7

5:35 pm - 9:35 amJFK-LHR

59h 00m2 stops

7:30 pm - 3:45 pmLHR-JFK

25h 15m1 stop

$446Scandinavian Airlines

Find Deal

dom., nov. 16 - mié., nov. 19

11:25 pm - 8:05 pmJFK-LHR

15h 40m1 stop

9:55 am - 10:00 pmLHR-JFK

17h 05m1 stop

$447

Find Deal

lun., oct. 20 - sáb., nov. 15

LEVEL flights from Pennsylvania to London Heathrow Airport

Our best LEVEL deals on Pennsylvania to London Heathrow Airport flight tickets

LEVEL

Nov 11

JFK11:45 pmNew York John F Kennedy Intl

28h 25m

1 stop

LHR9:10 amLondon Heathrow

Nov 14

LHR6:50 pmLondon Heathrow

32h 10m

1 stop

JFK10:00 pmNew York John F Kennedy Intl

$419

Find similar

LEVEL

Jan 7

JFK11:45 pmNew York John F Kennedy Intl

13h 15m

1 stop

LHR6:00 pmLondon Heathrow

Jan 10

LHR9:55 amLondon Heathrow

17h 05m

1 stop

JFK10:00 pmNew York John F Kennedy Intl

$430

Find similar

LEVEL

Nov 9

JFK11:45 pmNew York John F Kennedy Intl

13h 15m

1 stop

LHR6:00 pmLondon Heathrow

Nov 16

LHR9:55 amLondon Heathrow

17h 05m

1 stop

JFK10:00 pmNew York John F Kennedy Intl

$439

Find similar

United Airlines flights from Pennsylvania to London Heathrow Airport

Our best United Airlines deals on Pennsylvania to London Heathrow Airport flight tickets

United Airlines

Sep 12

EWR5:35 pmNewark

11h 40m

1 stop

LHR10:15 amLondon Heathrow

Sep 14

LHR9:30 amLondon Heathrow

8h 10m

EWR12:40 pmNewark

$495

Find similar

United Airlines

Aug 23

EWR8:30 amNewark

7h 10m

LHR8:40 pmLondon Heathrow

Aug 29

LHR12:00 pmLondon Heathrow

8h 15m

EWR3:15 pmNewark

$496

Find similar

United Airlines

Aug 26

EWR6:15 pmNewark

7h 30m

LHR6:45 amLondon Heathrow

Feb 18

LHR9:10 amLondon Heathrow

8h 25m

EWR12:35 pmNewark

$497

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Pennsylvania to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 11/11

11:45 pm-9:10 am

1 stop28h 25m

London Heathrow

vie. 11/14

6:50 pm-10:00 pm

1 stop32h 10m

$419

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 9/12

6:25 pm-9:05 am

1 stop9h 40m

London Heathrow

mié. 9/24

12:00 pm-7:20 pm

1 stop12h 20m

$425

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 10/10

5:10 pm-2:35 pm

1 stop16h 25m

London Heathrow

dom. 10/12

9:55 am-3:40 pm

2 stops34h 45m

$428

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 9/5

8:30 pm-5:50 pm

1 stop16h 20m

London Heathrow

dom. 9/7

5:50 pm-1:00 pm

1 stop24h 10m

$429

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 9/30

2:35 pm-6:45 am

1 stop11h 10m

London Heathrow

mar. 10/7

8:40 am-3:25 pm

1 stop11h 45m

$431

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

sáb. 9/13

9:45 am-9:40 pm

Nonstop6h 55m

London Heathrow

dom. 9/14

8:00 pm-6:55 pm

1 stop27h 55m

$432

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

vie. 11/21

9:35 pm-9:35 am

Nonstop7h 00m

London Heathrow

dom. 11/23

9:15 am-7:15 pm

1 stop15h 00m

$435

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

mar. 9/30

11:25 pm-11:25 am

Nonstop7h 00m

London Heathrow

mar. 10/7

10:55 am-2:05 pm

Nonstop8h 10m

$442

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

dom. 11/16

5:35 pm-9:35 am

2 stops59h 00m

London Heathrow

mié. 11/19

7:30 pm-3:45 pm

1 stop25h 15m

$446

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

lun. 10/20

11:25 pm-8:05 pm

1 stop15h 40m

London Heathrow

sáb. 11/15

9:55 am-10:00 pm

1 stop17h 05m

$447

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How to get the cheapest flight ticket from Pennsylvania to London Heathrow Airport

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

Prices

Airlines

Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Pennsylvania, with most prices found around $687. If you’re not able to fly to London Heathrow Airport in September, then October is your next best option. Flight prices from Pennsylvania to London Heathrow Airport during October average around $713.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $784. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $987.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Pennsylvania to London Heathrow Airport at noon for as low as $802. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $884.

What is the cheapest Pennsylvania to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $826 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Pennsylvania for as low as $722 on momondo.

What cabin class options are available on Pennsylvania to London Heathrow flights?

There are 4 cabin classes available to choose from on Pennsylvania to London Heathrow 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 Heathrow Airport flights?

You could potentially save up to 63% on your flight if you consider stops on a Pennsylvania to London Heathrow Airport flight.

Cheap Pennsylvania to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to London Heathrow Airport

Best Price Found	$155
Fastest flight time	6h 55m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Pennsylvania in the past 72 hours is $155. The best round-trip flight deal from Pennsylvania to London Heathrow Airport found on momondo in the last 72 hours is $419.

The fastest flight from Pennsylvania to London Heathrow Airport takes 6h 55m

Direct flights go from Pennsylvania to London Heathrow Airport every day.

Search flight deals

When did momondo last update prices for flights from Pennsylvania to London Heathrow Airport?
Prices for flights from Pennsylvania to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Pennsylvania to London Heathrow Airport?
The number of operators available for flights from Pennsylvania to London Heathrow Airport is 22 as of August 2025.
How old do you have to be to fly from Pennsylvania to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Pennsylvania to London Heathrow Airport is Boeing 787-9 Dreamliner, representing 43.34% of all bookings. The subsequent popular models are Airbus A350-1000 at 40.93%, Boeing 787-8 Dreamliner at 9.99%, and Boeing 787-10 Dreamliner at 1.84%.

Best airlines flying from Pennsylvania to London Heathrow Airport

Compare and see reviews for airlines that fly from Pennsylvania to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $219	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Icelandair	PriceFrom $499	Free Cancellation	Rating 7.0 527 reviews	Search Icelandair flights
JetBlue	PriceFrom $505	Free Cancellation	Rating 7.2 2,915 reviews	Search JetBlue flights
British Airways	PriceFrom $515	Free Cancellation	Rating 6.6 7,277 reviews	Search British Airways flights
American Airlines	PriceFrom $516	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air Canada	PriceFrom $556	Free Cancellation	Rating 7.1 9,992 reviews	Search Air Canada flights
United Airlines	PriceFrom $575	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights
Finnair	PriceFrom $581	Free Cancellation	Rating 7.6 1,320 reviews	Search Finnair flights
Aer Lingus	PriceFrom $585	Free Cancellation	Rating 7.2 1,220 reviews	Search Aer Lingus flights
Iberia	PriceFrom $607	Free Cancellation	Rating 7.0 2,884 reviews	Search Iberia flights

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Dartford

Crawley

Hayes

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Stansted

Salisbury

Brentwood

Ilford

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Folkestone

Stratford-upon-Avon

Watford

Why use momondo?

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

Finding the right flight to London from Pennsylvania is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

All flight searches from Pennsylvania to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Pennsylvania to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pennsylvania to London.

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

Yes. momondo can track prices for Pennsylvania to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from Pennsylvania to London from $155

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 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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LEVEL flights from Pennsylvania to London Heathrow Airport

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Our best United Airlines deals on Pennsylvania to London Heathrow Airport flight tickets

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Use the filters below to find and compare flights from Pennsylvania to London Heathrow Airport that are best for you.

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How to get the cheapest flight ticket from Pennsylvania to London Heathrow Airport

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 Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $784. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $987.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Pennsylvania to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

What cabin class options are available on Pennsylvania to London Heathrow flights?

There are 4 cabin classes available to choose from on Pennsylvania to London Heathrow 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 Heathrow Airport flights?

You could potentially save up to 63% on your flight if you consider stops on a Pennsylvania to London Heathrow Airport flight.

What is the cheapest airline that flies from Pennsylvania to London Heathrow?

TAP AIR PORTUGAL, JetBlue, and LEVEL are the most popular carriers operating from Pennsylvania to London Heathrow

What airlines fly to London Heathrow Airport?

How many flights depart from Pennsylvania to London Heathrow Airport on average per day?

The number of flights available between Pennsylvania and London Heathrow Airport is 211 per day as of August 2025. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

How many flights depart from Pennsylvania to London Heathrow Airport on average per week?

The number of flights available between Pennsylvania and London Heathrow Airport is 1,478 per week as of August 2025. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.

How long does it take to fly to London Heathrow Airport?

Cheap Pennsylvania to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to London Heathrow Airport

Best Price Found

Fastest flight time

Direct flights

When did momondo last update prices for flights from Pennsylvania to London Heathrow Airport?

How many operators does momondo search for flights from Pennsylvania to London Heathrow Airport?

How old do you have to be to fly from Pennsylvania to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Pennsylvania to London Heathrow Airport?

Best airlines flying from Pennsylvania to London Heathrow Airport

Compare and see reviews for airlines that fly from Pennsylvania to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

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

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

How can momondo help me find flights from Pennsylvania to London?

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

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo