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 1,143 per week as of February 2026. The most frequent departure day is Mon, with 16% 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 56% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 11 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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.

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

TAP AIR PORTUGAL, United Airlines, 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 163 per day as of February 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

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 21 as of February 2026.

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.

$188 Cheap Flights from Pennsylvania to London Heathrow Airport in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Pennsylvania to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 pm - 10:50 am

JFK

LHR

10h 25m

1 stop

1:05 pm - 7:20 pm

LHR

JFK

11h 15m

1 stop

$459Icelandair

Wed, Mar 25 - Thu, Apr 16

9:30 pm - 9:20 am

JFK

LHR

6h 50mnonstop

7:20 pm - 12:55 pm

LHR

JFK

22h 35m

1 stop

$460Virgin Atlantic

Mon, Mar 2 - Tue, Mar 3

7:25 pm - 10:50 am

JFK

LHR

10h 25m

1 stop

8:35 pm - 6:00 pm

LHR

JFK

26h 25m

1 stop

$461Icelandair

Mon, Feb 23 - Wed, Mar 4

11:25 pm - 8:05 pm

JFK

LHR

15h 40m

1 stop

9:55 am - 9:40 pm

LHR

JFK

16h 45m

1 stop

$467Multiple Airlines

Fri, Apr 17 - Wed, Apr 22

9:00 pm - 5:50 pm

JFK

LHR

15h 50m

1 stop

5:50 pm - 1:20 pm

LHR

JFK

24h 30m

1 stop

$469Multiple Airlines

Tue, Feb 17 - Thu, Feb 19

3:20 pm - 7:10 am

LGA

LHR

10h 50m

1 stop

1:25 pm - 7:03 pm

LHR

LGA

10h 38m

1 stop

$495Air Canada

Mon, Feb 16 - Mon, Mar 2

5:40 pm - 7:10 am

LGA

LHR

9h 30m

1 stop

1:25 pm - 9:33 pm

LHR

LGA

12h 08m

1 stop

$499Air Canada

Wed, Mar 18 - Wed, Mar 25

10:00 pm - 4:20 pm

EWR

LHR

13h 20m

1 stop

12:05 pm - 8:30 pm

LHR

EWR

13h 25m

1 stop

$507SWISS

Mon, Feb 16 - Wed, Feb 25

11:55 pm - 10:40 pm

EWR

LHR

17h 45m

1 stop

8:15 am - 11:00 pm

LHR

EWR

18h 45m

2 stops

$508TAP AIR PORTUGAL

Wed, Feb 25 - Thu, Mar 12

1:15 am - 10:40 pm

EWR

LHR

17h 25m

2 stops

8:15 am - 11:10 pm

LHR

EWR

18h 55m

1 stop

$509TAP AIR PORTUGAL

Mon, Mar 9 - Wed, Mar 18

British Airways flights from Pennsylvania to London Heathrow Airport

Our best British Airways deals on Pennsylvania to London Heathrow Airport flight tickets

British Airways

Mar 2

JFK8:05 amNew York John F Kennedy Intl

6h 55m

LHR8:00 pmLondon Heathrow

Mar 9

LHR3:35 pmLondon Heathrow

8h 05m

JFK7:40 pmNew York John F Kennedy Intl

$471

British Airways

Feb 12

JFK10:15 amNew York John F Kennedy Intl

6h 55m

LHR10:10 pmLondon Heathrow

Feb 18

LHR5:00 pmLondon Heathrow

7h 59m

JFK7:59 pmNew York John F Kennedy Intl

$521

British Airways

May 6

EWR9:25 pmNewark

7h 05m

LHR9:30 amLondon Heathrow

May 12

LHR4:35 pmLondon Heathrow

7h 50m

EWR7:25 pmNewark

$545

TAP AIR PORTUGAL flights from Pennsylvania to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Pennsylvania to London Heathrow Airport flight tickets

TAP AIR PORTUGAL

Feb 26

JFK10:00 pmNew York John F Kennedy Intl

19h 40m

1 stop

LHR10:40 pmLondon Heathrow

Mar 1

LHR7:55 pmLondon Heathrow

29h 10m

1 stop

JFK8:05 pmNew York John F Kennedy Intl

$477

TAP AIR PORTUGAL

Feb 25

JFK10:00 pmNew York John F Kennedy Intl

14h 30m

1 stop

LHR5:30 pmLondon Heathrow

Mar 1

LHR7:55 pmLondon Heathrow

29h 10m

1 stop

JFK8:05 pmNew York John F Kennedy Intl

$480

TAP AIR PORTUGAL

Feb 24

JFK10:00 pmNew York John F Kennedy Intl

19h 40m

1 stop

LHR10:40 pmLondon Heathrow

Mar 1

LHR7:55 pmLondon Heathrow

29h 10m

1 stop

JFK8:05 pmNew York John F Kennedy Intl

$483

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

Wed 3/25

8:25 pm-10:50 am

1 stop10h 25m

London Heathrow

Thu 4/16

1:05 pm-7:20 pm

1 stop11h 15m

$459

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 3/2

9:30 pm-9:20 am

Nonstop6h 50m

London Heathrow

Tue 3/3

7:20 pm-12:55 pm

1 stop22h 35m

$460

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 2/23

7:25 pm-10:50 am

1 stop10h 25m

London Heathrow

Wed 3/4

8:35 pm-6:00 pm

1 stop26h 25m

$461

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 4/17

11:25 pm-8:05 pm

1 stop15h 40m

London Heathrow

Wed 4/22

9:55 am-9:40 pm

1 stop16h 45m

$467

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 2/17

9:00 pm-5:50 pm

1 stop15h 50m

London Heathrow

Thu 2/19

5:50 pm-1:20 pm

1 stop24h 30m

$469

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Mon 2/16

3:20 pm-7:10 am

1 stop10h 50m

London Heathrow

Mon 3/2

1:25 pm-7:03 pm

1 stop10h 38m

$495

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 3/18

5:40 pm-7:10 am

1 stop9h 30m

London Heathrow

Wed 3/25

1:25 pm-9:33 pm

1 stop12h 08m

$499

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 2/16

10:00 pm-4:20 pm

1 stop13h 20m

London Heathrow

Wed 2/25

12:05 pm-8:30 pm

1 stop13h 25m

$507

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 2/25

11:55 pm-10:40 pm

1 stop17h 45m

London Heathrow

Thu 3/12

8:15 am-11:00 pm

2 stops18h 45m

$508

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 3/9

1:15 am-10:40 pm

2 stops17h 25m

London Heathrow

Wed 3/18

8:15 am-11:10 pm

1 stop18h 55m

$509

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $657. 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 $664.

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 $768. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $993.

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 in the afternoon. momondo users have found flights departing from Pennsylvania to London Heathrow Airport in the afternoon for as low as $841. 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 evening are often more expensive with an average ticket price of $876.

What is the cheapest Pennsylvania to London Heathrow flight route?

Fly from Pittsburgh 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 $827 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 $689 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 1% 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	$373
Fastest flight time	6h 50m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Pennsylvania in the past 72 hours is $373. The best round-trip flight deal from Pennsylvania to London Heathrow Airport found on momondo in the last 72 hours is $628.

The fastest flight from Pennsylvania to London Heathrow Airport takes 6h 50m

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 21 as of February 2026.
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 Airbus A350-1000, representing 39.95% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 39.24%, Boeing 787-8 Dreamliner at 14.09%, and Boeing 787 Dreamliner at 2.73%.

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 7.9 8,141 reviews	Search Delta flights
JetBlue	PriceFrom $295	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
Icelandair	PriceFrom $492	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
British Airways	PriceFrom $506	Free Cancellation	Rating 6.7 7,714 reviews	Search British Airways flights
American Airlines	PriceFrom $513	Free Cancellation	Rating 7.2 11,218 reviews	Search American Airlines flights
Finnair	PriceFrom $515	Free Cancellation	Rating 7.6 1,357 reviews	Search Finnair flights
Aer Lingus	PriceFrom $522	Free Cancellation	Rating 7.2 1,444 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $560	Free Cancellation	Rating 7.4 9,235 reviews	Search United Airlines flights
Iberia	PriceFrom $593	Free Cancellation	Rating 7.0 3,104 reviews	Search Iberia flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 10,687 reviews	Search Air Canada flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Guildford

Crawley

Wembley

Dartford

Stratford-upon-Avon

Hayes

Croydon

Brentwood

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 3/5

Thu 3/12

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities

Other flights from Pennsylvania

Other flights to London

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $333

Flights to London City Airportfrom $472

Flights to London Stansted Airportfrom $336

Flights to London Luton Airportfrom $341

Flights to Glasgow Intl Airportfrom $359

Flights to Belfast Intl Airportfrom $465

Flights to London Southend Airportfrom $449

Flights to Belfast City Airportfrom $451

Cheap flights from Pennsylvania to London from $188

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 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Pennsylvania to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

British Airways flights from Pennsylvania to London Heathrow Airport

Our best British Airways deals on Pennsylvania to London Heathrow Airport flight tickets

TAP AIR PORTUGAL flights from Pennsylvania to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Pennsylvania to London Heathrow Airport flight tickets

momondo Fare Finder

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

See travel insights to London from

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

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 $768. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $993.

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 Pittsburgh 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 1% 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, United Airlines, 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 163 per day as of February 2026. The most frequent departure time is 6:00PM, 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 1,143 per week as of February 2026. The most frequent departure day is Mon, with 16% 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

Pennsylvania flight routes

According to popular flight searches on momondo this year

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year