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 15m.

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

Icelandair, British Airways, and United Airlines are the most popular carriers operating from Pennsylvania to London Heathrow

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 1,354 per week as of August 2026. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

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 193 per day as of August 2026. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

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 57% 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 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 20 as of August 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.

$196 Cheap Flights from Pennsylvania to London Heathrow Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to London

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 pm - 9:35 amJFK New York John F Kennedy Intl-LHR London Heathrow

11h 25m1 stop Oslo Gardermoen

9:05 pm - 3:40 pmLHR London Heathrow-JFK New York John F Kennedy Intl

23h 35m2 stops Stockholm Arlanda Oslo Gardermoen

$529Scandinavian Airlines

Sat, Oct 17 - Sun, Oct 18

5:10 pm - 9:35 pmJFK New York John F Kennedy Intl-LHR London Heathrow

23h 25m1 stop Oslo Gardermoen

9:05 pm - 3:40 pmLHR London Heathrow-JFK New York John F Kennedy Intl

23h 35m2 stops Stockholm Arlanda Oslo Gardermoen

$529Scandinavian Airlines

Sat, Oct 10 - Mon, Oct 12

3:15 pm - 7:10 amLGA New York LaGuardia-LHR London Heathrow

10h 55m1 stop Montreal Pierre Elliott Trudeau Intl

1:00 pm - 9:31 pmLHR London Heathrow-LGA New York LaGuardia

13h 31m1 stop Montreal Pierre Elliott Trudeau Intl

$546Air Canada

Sat, Nov 7 - Sun, Nov 22

4:00 pm - 9:35 amLGA New York LaGuardia-LHR London Heathrow

12h 35m1 stop Toronto Pearson Intl

2:05 pm - 7:36 pmLHR London Heathrow-LGA New York LaGuardia

10h 31m1 stop Montreal Pierre Elliott Trudeau Intl

$551Air Canada

Thu, Sep 24 - Mon, Sep 28

8:30 pm - 8:20 pmJFK New York John F Kennedy Intl-LHR London Heathrow

18h 50m1 stop Reykjavik Keflavik Intl

12:15 pm - 7:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

10h 45m1 stop Reykjavik Keflavik Intl

$555Icelandair

Mon, Oct 19 - Sat, Oct 31

7:25 pm - 7:30 pmJFK New York John F Kennedy Intl-LHR London Heathrow

19h 05m1 stop Reykjavik Keflavik Intl

12:15 pm - 6:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

10h 45m1 stop Reykjavik Keflavik Intl

$555Icelandair

Sun, Nov 15 - Sat, Nov 21

11:50 pm - 9:10 amJFK New York John F Kennedy Intl-LHR London Heathrow

28h 20m1 stop Barcelona-El Prat

8:50 pm - 10:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

30h 10m1 stop Barcelona-El Prat

$572LEVEL

Mon, Aug 24 - Fri, Sep 18

8:40 pm - 5:15 pmJFK New York John F Kennedy Intl-LHR London Heathrow

15h 35m1 stop Madrid Barajas

11:30 am - 10:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

15h 30m1 stop Madrid Barajas

$573Iberia

Fri, Oct 9 - Mon, Oct 12

8:30 pm - 11:55 amJFK New York John F Kennedy Intl-LHR London Heathrow

10h 25m1 stop Reykjavik Keflavik Intl

8:45 am - 10:25 pmLHR London Heathrow-JFK New York John F Kennedy Intl

18h 40m2 stops Hamburg Dublin

$574Multiple Airlines

Thu, Oct 15 - Tue, Oct 20

6:20 pm - 6:25 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mnonstop

11:30 am - 6:55 pmLHR London Heathrow-JFK New York John F Kennedy Intl

12h 25m1 stop Madrid Barajas

$706Iberia

Fri, Sep 18 - Fri, Sep 25

Cheap last minute flights

Enter your travel dates to find the best prices.

7:25 pm - 1:40 pmJFK New York John F Kennedy Intl-LHR London Heathrow

13h 15m1 stop Geneva Geneve-Cointrin

6:00 am - 12:50 pmLHR London Heathrow-JFK New York John F Kennedy Intl

11h 50m1 stop Zurich

$705SWISS

Mon, Aug 10 - Wed, Aug 12

4:55 pm - 9:30 amJFK New York John F Kennedy Intl-LHR London Heathrow

11h 35m1 stop Madrid Barajas

7:05 am - 3:40 pmLHR London Heathrow-JFK New York John F Kennedy Intl

13h 35m1 stop Oslo Gardermoen

$709Multiple Airlines

Wed, Aug 12 - Fri, Aug 14

4:55 pm - 9:30 amJFK New York John F Kennedy Intl-LHR London Heathrow

11h 35m1 stop Madrid Barajas

7:05 am - 3:40 pmLHR London Heathrow-JFK New York John F Kennedy Intl

13h 35m1 stop Oslo Gardermoen

$711Multiple Airlines

Tue, Aug 11 - Thu, Aug 13

7:55 pm - 11:50 amEWR Newark-LHR London Heathrow

10h 55m1 stop Toronto Pearson Intl

11:05 am - 1:10 pmLHR London Heathrow-EWR Newark

31h 05m1 stop Brussels Bruxelles-National

$718United Airlines

Tue, Aug 11 - Thu, Aug 13

6:55 pm - 11:50 amEWR Newark-LHR London Heathrow

11h 55m1 stop Toronto Pearson Intl

11:05 am - 1:10 pmLHR London Heathrow-EWR Newark

31h 05m1 stop Brussels Bruxelles-National

$718United Airlines

Sun, Aug 9 - Tue, Aug 11

7:25 pm - 6:30 pmJFK New York John F Kennedy Intl-LHR London Heathrow

18h 05m1 stop Geneva Geneve-Cointrin

7:00 am - 4:35 pmLHR London Heathrow-JFK New York John F Kennedy Intl

14h 35m2 stops Geneva Geneve-Cointrin Zurich

$720SWISS

Tue, Aug 11 - Thu, Aug 13

11:00 pm - 6:50 pmEWR Newark-LHR London Heathrow

14h 50m1 stop Lisbon Humberto Delgado

11:20 am - 9:00 pmLHR London Heathrow-EWR Newark

14h 40m1 stop Lisbon Humberto Delgado

$731TAP AIR PORTUGAL

Wed, Aug 12 - Wed, Sep 16

10:05 pm - 5:45 pmJFK New York John F Kennedy Intl-LHR London Heathrow

14h 40m1 stop Lisbon Humberto Delgado

6:00 am - 8:05 pmLHR London Heathrow-JFK New York John F Kennedy Intl

19h 05m1 stop Lisbon Humberto Delgado

$731TAP AIR PORTUGAL

Wed, Aug 12 - Wed, Sep 16

6:00 pm - 6:20 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 20mnonstop

9:55 am - 5:05 pmLHR London Heathrow-JFK New York John F Kennedy Intl

12h 10m1 stop Amsterdam Schiphol

$745Virgin Atlantic

Thu, Aug 13 - Mon, Aug 17

6:30 pm - 6:45 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 15mnonstop

11:45 am - 5:05 pmLHR London Heathrow-JFK New York John F Kennedy Intl

10h 20m1 stop Amsterdam Schiphol

$748Virgin Atlantic

Tue, Aug 11 - Wed, Aug 12

Cheap direct flights

Enter your travel dates to find the best prices.

6:40 pm - 6:50 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 10mnonstop

8:20 am - 12:20 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mnonstop

$601British Airways

Mon, Sep 28 - Mon, Oct 26

6:40 pm - 6:40 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 00mnonstop

8:20 am - 11:20 amLHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mnonstop

$604British Airways

Thu, Jan 7 - Thu, Jan 14

8:15 pm - 8:50 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 35mnonstop

3:50 pm - 8:10 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 20mnonstop

$722Virgin Atlantic

Thu, Oct 15 - Thu, Oct 29

7:01 pm - 7:15 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 14mnonstop

4:35 pm - 8:00 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 25mnonstop

$722Virgin Atlantic

Sun, Nov 15 - Sat, Nov 21

5:50 pm - 5:50 amEWR Newark-LHR London Heathrow

7h 00mnonstop

4:25 pm - 8:35 pmLHR London Heathrow-EWR Newark

8h 10mnonstop

$730Iberia

Thu, Oct 15 - Thu, Oct 29

7:15 pm - 7:20 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 05mnonstop

3:20 pm - 6:20 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 00mnonstop

$731Iberia

Wed, Oct 7 - Tue, Oct 13

11:45 pm - 12:10 pmJFK New York John F Kennedy Intl-LHR London Heathrow

7h 25mnonstop

12:30 pm - 3:20 pmLHR London Heathrow-JFK New York John F Kennedy Intl

7h 50mnonstop

$740Multiple Airlines

Thu, Sep 17 - Mon, Sep 28

10:00 pm - 10:20 amJFK New York John F Kennedy Intl-LHR London Heathrow

7h 20mnonstop

5:25 pm - 8:20 pmLHR London Heathrow-JFK New York John F Kennedy Intl

7h 55mnonstop

$742Multiple Airlines

Fri, Sep 18 - Wed, Oct 7

7:50 am - 7:45 pmJFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mnonstop

7:00 pm - 11:05 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 05mnonstop

$758Finnair

Sat, Sep 19 - Sat, Oct 31

9:45 pm - 9:40 amJFK New York John F Kennedy Intl-LHR London Heathrow

6h 55mnonstop

5:00 pm - 8:10 pmLHR London Heathrow-JFK New York John F Kennedy Intl

8h 10mnonstop

$758Finnair

Fri, Nov 27 - Sun, Dec 6

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Scandinavian Airlines flights from Pennsylvania to London Heathrow Airport

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

Scandinavian Airlines

Oct 10

JFK5:10 pmNew York John F Kennedy Intl

38h 45m

2 stops

LHR12:55 pmLondon Heathrow

Oct 13

LHR7:05 amLondon Heathrow

13h 35m

1 stop

JFK3:40 pmNew York John F Kennedy Intl

$529

Scandinavian Airlines

Oct 10

JFK5:10 pmNew York John F Kennedy Intl

34h 45m

2 stops

LHR8:55 amLondon Heathrow

Oct 13

LHR7:05 amLondon Heathrow

13h 35m

1 stop

JFK3:40 pmNew York John F Kennedy Intl

$530

Scandinavian Airlines

Oct 2

JFK6:55 pmNew York John F Kennedy Intl

37h 00m

2 stops

LHR12:55 pmLondon Heathrow

Oct 5

LHR7:05 amLondon Heathrow

13h 35m

1 stop

JFK3:40 pmNew York John F Kennedy Intl

$532

Icelandair flights from Pennsylvania to London Heathrow Airport

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

Icelandair

Oct 19

JFK8:30 pmNew York John F Kennedy Intl

18h 50m

1 stop

LHR8:20 pmLondon Heathrow

Oct 31

LHR12:15 pmLondon Heathrow

10h 45m

1 stop

JFK7:00 pmNew York John F Kennedy Intl

$555

Icelandair

Oct 15

JFK8:30 pmNew York John F Kennedy Intl

10h 25m

1 stop

LHR11:55 amLondon Heathrow

Oct 29

LHR8:35 pmLondon Heathrow

26h 25m

1 stop

JFK7:00 pmNew York John F Kennedy Intl

$557

Icelandair

Sep 26

JFK8:30 pmNew York John F Kennedy Intl

10h 25m

1 stop

LHR11:55 amLondon Heathrow

Oct 3

LHR9:25 pmLondon Heathrow

26h 55m

1 stop

JFK7:20 pmNew York John F Kennedy Intl

$583

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

Cheapest round-trip

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 10/17

5:10 pm-9:35 am

1 stop11h 25m

London Heathrow

Sun 10/18

9:05 pm-3:40 pm

2 stops23h 35m

$529

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sat 10/10

5:10 pm-9:35 pm

1 stop23h 25m

London Heathrow

Mon 10/12

9:05 pm-3:40 pm

2 stops23h 35m

$529

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Sat 11/7

3:15 pm-7:10 am

1 stop10h 55m

London Heathrow

Sun 11/22

1:00 pm-9:31 pm

1 stop13h 31m

$546

New YorkLondon

LGA New York LaGuardia - LHR London Heathrow

LGALHR

New York LaGuardia

Thu 9/24

4:00 pm-9:35 am

1 stop12h 35m

London Heathrow

Mon 9/28

2:05 pm-7:36 pm

1 stop10h 31m

$551

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 10/19

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Sat 10/31

12:15 pm-7:00 pm

1 stop10h 45m

$555

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Sun 11/15

7:25 pm-7:30 pm

1 stop19h 05m

London Heathrow

Sat 11/21

12:15 pm-6:00 pm

1 stop10h 45m

$555

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Mon 8/24

11:50 pm-9:10 am

1 stop28h 20m

London Heathrow

Fri 9/18

8:50 pm-10:00 pm

1 stop30h 10m

$572

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 10/9

8:40 pm-5:15 pm

1 stop15h 35m

London Heathrow

Mon 10/12

11:30 am-10:00 pm

1 stop15h 30m

$573

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Thu 10/15

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Tue 10/20

8:45 am-10:25 pm

2 stops18h 40m

$574

Quickest round-trip

New YorkLondon

JFK New York John F Kennedy Intl - LHR London Heathrow

JFKLHR

New York John F Kennedy Intl

Fri 9/18

6:20 pm-6:25 am

Nonstop7h 05m

London Heathrow

Fri 9/25

11:30 am-6:55 pm

1 stop12h 25m

$706

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 February is, on average, the cheapest month to fly to London Heathrow Airport from Pennsylvania, with most prices found around $701. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Pennsylvania to London Heathrow Airport during January average around $732.

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 $855. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,092.

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 $908. 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 $1,064.

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 from Pennsylvania 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 $968 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 $746 on momondo.

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

There are 4 cabin classes available to choose from on Pennsylvania to London Heathrow Airport 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 7% 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	$462
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 $462. The best round-trip flight deal from Pennsylvania to London Heathrow Airport found on momondo in the last 72 hours is $987.

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

Frequently asked questions about flying from Pennsylvania to London Heathrow Airport

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 20 as of August 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 Boeing 787-9 Dreamliner, representing 38.06% of all bookings. The subsequent popular models are Airbus A350-1000 at 29.74%, Boeing 787-8 Dreamliner at 15.79%, and Boeing 777 at 6.89%.

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
British Airways	PriceFrom $512	Free Cancellation	Rating 6.7 8,151 reviews	Search British Airways flights
Finnair	PriceFrom $515	Free Cancellation	Rating 7.7 1,428 reviews	Search Finnair flights
American Airlines	PriceFrom $516	Free Cancellation	Rating 7.1 11,895 reviews	Search American Airlines flights
Icelandair	PriceFrom $522	Free Cancellation	Rating 6.9 726 reviews	Search Icelandair flights
Delta	PriceFrom $531	Free Cancellation	Rating 7.8 8,496 reviews	Search Delta flights
Aer Lingus	PriceFrom $574	Free Cancellation	Rating 7.3 1,693 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $583	Free Cancellation	Rating 7.4 10,088 reviews	Search United Airlines flights
Iberia	PriceFrom $588	Free Cancellation	Rating 7.0 3,263 reviews	Search Iberia flights
JetBlue	PriceFrom $640	Free Cancellation	Rating 7.1 3,032 reviews	Search JetBlue flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 11,455 reviews	Search Air Canada flights

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Stansted

Stratford-upon-Avon

Kingston upon Thames

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Harrow

Watford

Cobham

Richmond

Uxbridge

Worthing

Romford

Ilford

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.

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Flights to London Gatwick Airportfrom $394

Flights to London Stansted Airportfrom $494

Flights to London City Airportfrom $605

Flights to London Luton Airportfrom $494

Flights to Glasgow Intl Airportfrom $570

Flights to Belfast Intl Airportfrom $642

Flights to London Southend Airportfrom $681

Flights to Belfast City Airportfrom $642

Cheap flights from Pennsylvania to London from $196

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 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Scandinavian Airlines flights from Pennsylvania to London Heathrow Airport

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

Icelandair flights from Pennsylvania to London Heathrow Airport

Our best Icelandair 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.

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?

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?

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

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

Can stopping save me money on Pennsylvania to London Heathrow Airport flights?

What is the cheapest airline that flies 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?

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

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

Cheap Pennsylvania to London Heathrow Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

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

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

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