Cheap flights from Pennsylvania to London from $215

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 7/7. 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 London

Cheap round-trip flights

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Icelandair Logo
8:30 pm - 11:55 am
JFK
-
LHR
10h 25m
1 stop
Icelandair Logo
9:25 pm - 7:20 pm
LHR
-
JFK
26h 55m
1 stop
$711Icelandair
Mon, Aug 17 - Tue, Aug 25
Multiple Airlines Logo
8:15 am - 8:10 pm
JFK
-
LHR
6h 55mnonstop
Multiple Airlines Logo
1:05 pm - 10:05 pm
LHR
-
JFK
14h 00m
1 stop
$712Multiple Airlines
Sat, Aug 1 - Thu, Sep 24
Scandinavian Airlines Logo
5:10 pm - 9:35 am
JFK
-
LHR
11h 25m
1 stop
Scandinavian Airlines Logo
6:40 am - 3:40 pm
LHR
-
JFK
14h 00m
2 stops
$713Scandinavian Airlines
Wed, Sep 2 - Sat, Sep 12
Scandinavian Airlines Logo
6:55 pm - 6:30 pm
JFK
-
LHR
18h 35m
1 stop
Scandinavian Airlines Logo
9:05 pm - 5:00 pm
LHR
-
JFK
24h 55m
2 stops
$714Scandinavian Airlines
Thu, Sep 17 - Tue, Sep 22
Multiple Airlines Logo
6:30 am - 10:00 am
LGA
-
LHR
22h 30m
1 stop
Multiple Airlines Logo
9:10 pm - 10:35 pm
LHR
-
LGA
30h 25m
3 stops
$714Multiple Airlines
Sun, Aug 9 - Mon, Aug 17
SWISS Logo
7:25 pm - 7:55 am
JFK
-
LHR
31h 30m
2 stops
SWISS Logo
6:00 am - 12:50 pm
LHR
-
JFK
11h 50m
1 stop
$716SWISS
Tue, Aug 18 - Fri, Aug 21
SWISS Logo
7:25 pm - 11:20 am
JFK
-
LHR
34h 55m
2 stops
SWISS Logo
8:45 am - 12:50 pm
LHR
-
JFK
33h 05m
1 stop
$717SWISS
Sat, Aug 15 - Tue, Aug 18
Scandinavian Airlines Logo
6:55 pm - 2:35 pm
JFK
-
LHR
14h 40m
2 stops
Scandinavian Airlines Logo
7:05 am - 3:40 pm
LHR
-
JFK
13h 35m
1 stop
$718Scandinavian Airlines
Mon, Aug 17 - Fri, Aug 21
TAP AIR PORTUGAL Logo
10:05 pm - 6:50 pm
JFK
-
LHR
15h 45m
1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 8:05 pm
LHR
-
JFK
30h 35m
1 stop
$719TAP AIR PORTUGAL
Mon, Jul 20 - Wed, Jan 20
TAP AIR PORTUGAL Logo
11:00 pm - 6:50 pm
EWR
-
LHR
14h 50m
1 stop
TAP AIR PORTUGAL Logo
8:15 am - 9:05 pm
LHR
-
EWR
17h 50m
2 stops
$783TAP AIR PORTUGAL
Fri, Sep 25 - Sat, Dec 19

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Iberia flights from Pennsylvania to London Heathrow Airport

Our best Iberia deals on Pennsylvania to London Heathrow Airport flight tickets
Iberia
Aug 19
JFK7:35 pmNew York John F Kennedy Intl
7h 10m
LHR7:45 amLondon Heathrow
Aug 24
LHR11:30 amLondon Heathrow
12h 25m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
$755
Iberia
Oct 1
EWR9:25 pmNewark
7h 05m
LHR9:30 amLondon Heathrow
Oct 8
LHR11:00 amLondon Heathrow
7h 55m
EWR1:55 pmNewark
$781
Iberia
Jul 2
JFK4:55 pmNew York John F Kennedy Intl
10h 30m
1 stop
LHR8:25 amLondon Heathrow
Jul 25
LHR9:15 amLondon Heathrow
14h 40m
1 stop
JFK6:55 pmNew York John F Kennedy Intl
$801

KLM flights from Pennsylvania to London Heathrow Airport

Our best KLM deals on Pennsylvania to London Heathrow Airport flight tickets
KLM
Aug 19
IAD10:55 pmWashington, D.C. Dulles Intl
7h 25m
LHR11:20 amLondon Heathrow
Aug 28
LHR8:40 amLondon Heathrow
11h 55m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$851
KLM
Jul 2
MDT12:22 pmHarrisburg
13h 48m
1 stop
LHR7:10 amLondon Heathrow
Jul 11
LHR11:15 amLondon Heathrow
17h 38m
1 stop
MDT11:53 pmHarrisburg
$1,294

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to London Heathrow Airport 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 23, 2026.
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 - LHR

JFKLHR

New York John F Kennedy Intl

Mon 8/17

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Tue 8/25

9:25 pm-7:20 pm

1 stop26h 55m

$711
Quickest round-trip

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 8/1

8:15 am-8:10 pm

Nonstop6h 55m

London Heathrow

Thu 9/24

1:05 pm-10:05 pm

1 stop14h 00m

$712

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 9/2

5:10 pm-9:35 am

1 stop11h 25m

London Heathrow

Sat 9/12

6:40 am-3:40 pm

2 stops14h 00m

$713

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 9/17

6:55 pm-6:30 pm

1 stop18h 35m

London Heathrow

Tue 9/22

9:05 pm-5:00 pm

2 stops24h 55m

$714

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 8/9

6:30 am-10:00 am

1 stop22h 30m

London Heathrow

Mon 8/17

9:10 pm-10:35 pm

3 stops30h 25m

$714

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 8/18

7:25 pm-7:55 am

2 stops31h 30m

London Heathrow

Fri 8/21

6:00 am-12:50 pm

1 stop11h 50m

$716

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 8/15

7:25 pm-11:20 am

2 stops34h 55m

London Heathrow

Tue 8/18

8:45 am-12:50 pm

1 stop33h 05m

$717

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 8/17

6:55 pm-2:35 pm

2 stops14h 40m

London Heathrow

Fri 8/21

7:05 am-3:40 pm

1 stop13h 35m

$718

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 7/20

10:05 pm-6:50 pm

1 stop15h 45m

London Heathrow

Wed 1/20

6:30 pm-8:05 pm

1 stop30h 35m

$719

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 9/25

11:00 pm-6:50 pm

1 stop14h 50m

London Heathrow

Sat 12/19

8:15 am-9:05 pm

2 stops17h 50m

$783

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 London from

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?

The month of August is, on average, the cheapest month to fly to London Heathrow Airport from Pennsylvania, with most prices found around $90. If you’re not able to fly to London Heathrow Airport in August, then May is your next best option. Flight prices from Pennsylvania to London Heathrow Airport during May average around $112.

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 $807. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,067.

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 $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 in the evening are often more expensive with an average ticket price of $1,012.

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 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 $894 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 $650 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 23% 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

$394

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 $394. The best round-trip flight deal from Pennsylvania to London Heathrow Airport found on momondo in the last 72 hours is $988.
The fastest flight from Pennsylvania to London Heathrow Airport takes 6h 50m
Direct flights go from Pennsylvania to London Heathrow Airport every day.

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?

  • 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?

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
JetBluePriceFrom $295Free CancellationRating
7.1
3,002 reviews
Search JetBlue flights
Aer LingusPriceFrom $479Free CancellationRating
7.3
1,622 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
8,068 reviews
Search British Airways flights
IcelandairPriceFrom $499Free CancellationRating
7.0
686 reviews
Search Icelandair flights
American AirlinesPriceFrom $512Free CancellationRating
7.1
11,750 reviews
Search American Airlines flights
FinnairPriceFrom $513Free CancellationRating
7.6
1,415 reviews
Search Finnair flights
DeltaPriceFrom $531Free CancellationRating
7.8
8,431 reviews
Search Delta flights
IberiaPriceFrom $559Free CancellationRating
7.0
3,246 reviews
Search Iberia flights
United AirlinesPriceFrom $583Free CancellationRating
7.4
9,881 reviews
Search United Airlines flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
11,251 reviews
Search Air Canada flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Stratford-upon-Avon
Harrow
Slough
Watford
Cobham
Brentwood
Guildford
Ilford
Folkestone
Uxbridge

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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1 adult
Thu 7/23
Thu 7/30

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