Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Pennsylvania to London Heathrow Airport from £138

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 Heathrow Airport departing on 21/1. 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
0 bags

Deals available from 900+ travel sites.

'This year, momondo is the #1 place for airfares on the internet.'
Voted winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Pennsylvania to London

Cheap return flights

These are some of the best return flight deals from Pennsylvania to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Pennsylvania to London.

Cheap last-minute flights

Planning a quick getaway from Pennsylvania to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Pennsylvania to London

Find recent return train or bus tickets from Pennsylvania to London.

All return flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
16:25 - 08:05JFK-LHR
10h 40m1 stop
07:10 - 13:20LHR-JFK
11h 10m1 stop
Fri, 24 Jan - Sun, 26 Jan
10:05 - 07:10JFK-LHR
16h 05m1 stop
06:00 - 13:05LHR-JFK
12h 05m1 stop
Fri, 7 Feb - Sun, 9 Feb
10:05 - 07:10JFK-LHR
16h 05m1 stop
06:50 - 13:20LHR-JFK
11h 30m1 stop
£291United Airlines
Find Deal
Fri, 7 Feb - Sun, 9 Feb
10:05 - 07:10JFK-LHR
16h 05m1 stop
06:50 - 13:20LHR-JFK
11h 30m1 stop
£292United Airlines
Find Deal
Fri, 7 Feb - Sun, 9 Feb
16:35 - 08:30LGA-LHR
10h 55m1 stop
06:50 - 14:57LHR-LGA
13h 07m2 stops
£296Air Canada
Find Deal
Fri, 28 Feb - Sun, 2 Mar
22:05 - 17:40IAD-LHR
14h 35m1 stop
06:40 - 19:59LHR-IAD
18h 19m1 stop
£300Scandinavian Airlines
Find Deal
Sat, 5 Apr - Mon, 7 Apr
22:05 - 17:40IAD-LHR
14h 35m1 stop
07:05 - 19:59LHR-IAD
17h 54m2 stops
£303Scandinavian Airlines
Find Deal
Sat, 5 Apr - Mon, 7 Apr
16:25 - 21:40JFK-LHR
24h 15m1 stop
19:30 - 13:05LHR-JFK
46h 35m2 stops
£307SWISS
Find Deal
Fri, 7 Feb - Sun, 9 Feb
19:45 - 08:15JFK-LHR
31h 30m1 stop
06:00 - 13:05LHR-JFK
12h 05m1 stop
£317SWISS
Find Deal
Thu, 6 Feb - Sun, 9 Feb
15:35 - 07:10LGA-LHR
10h 35m1 stop
08:55 - 19:42LHR-LGA
15h 47m2 stops
£367Air Canada
Find Deal
Fri, 24 Jan - Fri, 31 Jan
19:49 - 07:55JFK-LHR
7h 06mdirect
£138Virgin Atlantic
Find Deal
Tue, 21 Jan
23:12 - 11:10JFK-LHR
6h 58mdirect
£144KLM
Find Deal
Thu, 30 Jan
23:00 - 14:25EWR-LHR
11h 25m1 stop
Mon, 10 Mar
12:00 - 05:55JFK-LHR
12h 55m1 stop
£153JetBlue
Find Deal
Tue, 18 Feb
23:00 - 14:25EWR-LHR
10h 25m1 stop
Sun, 9 Feb
09:30 - 05:55LGA-LHR
15h 25m1 stop
£154JetBlue
Find Deal
Fri, 31 Jan
19:30 - 10:50EWR-LHR
10h 20m1 stop
£160Icelandair
Find Deal
Mon, 17 Feb
19:30 - 19:30EWR-LHR
19h 00m1 stop
£161Icelandair
Find Deal
Mon, 20 Jan
15:35 - 07:10LGA-LHR
10h 35m1 stop
£180Air Canada
Find Deal
Wed, 22 Jan
12:45 - 07:10LGA-LHR
13h 25m1 stop
£183Air Canada
Find Deal
Wed, 15 Jan
22:00 - 21:35JFK-LHR
18h 35m1 stop
06:00 - 20:05LHR-JFK
19h 05m1 stop
£401TAP AIR PORTUGAL
Find Deal
Sun, 12 Jan - Wed, 5 Mar
00:10 - 21:35EWR-LHR
16h 25m2 stops
06:00 - 15:30LHR-EWR
14h 30m1 stop
£402TAP AIR PORTUGAL
Find Deal
Mon, 13 Jan - Thu, 16 Jan
17:00 - 08:25JFK-LHR
10h 25m1 stop
19:00 - 22:05LHR-JFK
8h 05mdirect
£408British Airways
Find Deal
Sat, 11 Jan - Sun, 12 Jan
14:54 - 07:00JFK-LHR
11h 06m1 stop
15:45 - 15:00LHR-JFK
28h 15m1 stop
£416British Airways
Find Deal
Mon, 13 Jan - Tue, 14 Jan
20:35 - 08:35JFK-LHR
7h 00mdirect
07:25 - 15:00LHR-JFK
12h 35m1 stop
£417American Airlines
Find Deal
Mon, 13 Jan - Wed, 15 Jan
20:05 - 08:10JFK-LHR
7h 05mdirect
07:25 - 15:00LHR-JFK
12h 35m1 stop
£417American Airlines
Find Deal
Tue, 14 Jan - Thu, 16 Jan
19:25 - 10:50JFK-LHR
10h 25m1 stop
20:40 - 18:00LHR-JFK
26h 20m1 stop
£426Icelandair
Find Deal
Tue, 14 Jan - Tue, 21 Jan
20:45 - 08:45JFK-LHR
7h 00mdirect
11:45 - 15:50LHR-JFK
33h 05m1 stop
£432Virgin Atlantic
Find Deal
Mon, 13 Jan - Mon, 20 Jan
19:01 - 07:15JFK-LHR
7h 14mdirect
06:20 - 13:00LHR-JFK
11h 40m1 stop
£444Virgin Atlantic
Find Deal
Sun, 12 Jan - Sun, 9 Mar
19:25 - 19:30JFK-LHR
19h 05m1 stop
12:15 - 18:00LHR-JFK
10h 45m1 stop
£481Icelandair
Find Deal
Sun, 12 Jan - Wed, 22 Jan
18:35 - 06:25EWR-LHR
6h 50mdirect
16:25 - 19:35LHR-EWR
8h 10mdirect
£430Iberia
Find Deal
Wed, 5 Feb - Wed, 12 Feb
20:40 - 08:40JFK-LHR
7h 00mdirect
15:35 - 18:40LHR-JFK
8h 05mdirect
£430Iberia
Find Deal
Wed, 5 Feb - Wed, 12 Feb
20:00 - 06:50JFK-LHR
6h 50mdirect
12:55 - 17:00LHR-JFK
8h 05mdirect
£443Finnair
Find Deal
Fri, 14 Mar - Sun, 16 Mar
19:00 - 06:50JFK-LHR
6h 50mdirect
12:55 - 16:00LHR-JFK
8h 05mdirect
£443Finnair
Find Deal
Mon, 3 Mar - Wed, 5 Mar
22:00 - 10:15EWR-LHR
7h 15mdirect
15:10 - 18:45LHR-EWR
8h 35mdirect
£444United Airlines
Find Deal
Fri, 7 Feb - Fri, 14 Feb
22:30 - 10:30JFK-LHR
7h 00mdirect
17:20 - 20:20LHR-JFK
8h 00mdirect
£447Virgin Atlantic
Find Deal
Sun, 23 Feb - Sun, 2 Mar
08:25 - 20:35EWR-LHR
7h 10mdirect
16:00 - 19:35LHR-EWR
8h 35mdirect
£448United Airlines
Find Deal
Thu, 6 Feb - Thu, 13 Feb
08:20 - 20:10JFK-LHR
6h 50mdirect
12:40 - 16:00LHR-JFK
8h 20mdirect
£448Virgin Atlantic
Find Deal
Thu, 6 Feb - Sun, 9 Feb
08:34 - 20:45JFK-LHR
7h 11mdirect
07:25 - 10:49LHR-JFK
8h 24mdirect
£455JetBlue
Find Deal
Thu, 6 Feb - Mon, 10 Feb
08:34 - 20:45JFK-LHR
7h 11mdirect
07:25 - 10:49LHR-JFK
8h 24mdirect
£456JetBlue
Find Deal
Wed, 22 Jan - Tue, 4 Feb

SWISS flights from Pennsylvania to London Heathrow Airport

Our best SWISS deals on Pennsylvania to London Heathrow Airport flight tickets
SWISS
7 Feb
JFK16:25New York John F Kennedy Intl
24h 15m
1 stop
LHR21:40London Heathrow
9 Feb
LHR19:30London Heathrow
46h 35m
2 stops
JFK13:05New York John F Kennedy Intl
SWISS
6 Feb
JFK19:45New York John F Kennedy Intl
31h 30m
1 stop
LHR08:15London Heathrow
9 Feb
LHR06:00London Heathrow
12h 05m
1 stop
JFK13:05New York John F Kennedy Intl
SWISS
6 Feb
JFK19:45New York John F Kennedy Intl
31h 30m
1 stop
LHR08:15London Heathrow
9 Feb
LHR06:00London Heathrow
12h 05m
1 stop
JFK13:05New York John F Kennedy Intl

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
2 Feb
JFK22:00New York John F Kennedy Intl
18h 35m
1 stop
LHR21:35London Heathrow
9 Feb
LHR12:25London Heathrow
12h 40m
1 stop
JFK20:05New York John F Kennedy Intl
TAP AIR PORTUGAL
24 Jan
JFK22:00New York John F Kennedy Intl
14h 30m
1 stop
LHR17:30London Heathrow
18 Feb
LHR18:30London Heathrow
30h 35m
1 stop
JFK20:05New York John F Kennedy Intl
TAP AIR PORTUGAL
24 Jan
JFK22:00New York John F Kennedy Intl
14h 30m
1 stop
LHR17:30London Heathrow
2 Feb
LHR19:55London Heathrow
29h 10m
1 stop
JFK20:05New York John F Kennedy Intl

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?

In general, January is the cheapest month to fly from Pennsylvania to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £586. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Pennsylvania averaging around £589.

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

On average, the least expensive day to fly to London Heathrow Airport from Pennsylvania is on a Sunday. momondo users have found tickets for Sunday departures for as low as £624. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Wednesday is £747.

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 midday. momondo users have found flights departing from Pennsylvania to London Heathrow Airport at midday for as low as £589. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £711 on average. Flights to London Heathrow Airport from Pennsylvania in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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?

Most flyers found that booking tickets 56 days in advance of their planned departure date is the best time to get cheap flights to London Heathrow Airport. During this timeframe, flight prices are around £702. However, in the past 72 hours, people saw flights from Pennsylvania for as low as £447.

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

There are 3 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.

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

£138

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 £138. The best return flight deal from Pennsylvania to London Heathrow Airport found on momondo in the last 72 hours is £288.
The fastest flight from Pennsylvania to London Heathrow Airport takes 6h 50m
Direct flights go from Pennsylvania to London Heathrow Airport every day.

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

    Prices for flights from Pennsylvania to London Heathrow Airport are updated 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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
IberiaPriceFrom £473Free CancellationRating
7.0
2,633 reviews
Search Iberia flights
British AirwaysPriceFrom £498Free CancellationRating
6.6
6,792 reviews
Search British Airways flights
JetBluePriceFrom £498Free CancellationRating
7.4
3,192 reviews
Search JetBlue flights
Aer LingusPriceFrom £537Free CancellationRating
7.1
1,073 reviews
Search Aer Lingus flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to London for you.

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

Yes. momondo enables you to select and highlight flights to London from Pennsylvania with this policy.

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

Once you have performed a search for Pennsylvania to London 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 London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Pennsylvania to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise 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.
1 adult
From?
To?
Wed 15/1
Wed 22/1
Email me momondo's favourite deals

Find better results for your trip to London