What are the cheapest airlines to fly from Pennsylvania to London one-way?

One-way options have recently been found by users for as low as £156 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Icelandair from £157 and Norse Atlantic UK from £157 one-way.

What are the most popular routes from Pennsylvania to London?

When deciding which route to take from Pennsylvania to London consider New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick as they are the most popular.

What are the cheapest flights from Pennsylvania to London?

Looking for the cheapest flight from Pennsylvania to London? While on average our users pay £526, our data indicates the cheapest price to be £262. The most popular route (New York John F Kennedy Intl - London Heathrow), is priced around £199.

What are the most reliable airlines from Pennsylvania to London?

The top 3 most reliable airlines when flying from Pennsylvania to London are Aer Lingus (90%), American Airlines (83%) and Finnair (83%).

What are the most popular airlines that fly from Pennsylvania to London?

The most popular airlines flying from Pennsylvania to London are JetBlue, British Airways and Aer Lingus. Something to consider prior to booking your flight.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 35% on flights from Pennsylvania to London compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £510. For sooner than that we have options available in the next 3 days from £678.

What is the cheapest month to fly from Pennsylvania to London?

The best pricing can be found in the month of February. Prices to London from Pennsylvania average £600. You can even find prices in February for less than £600, as users have found deals to London from as low as £409. The month of June appears to be one of the more expensive times to travel to London from Pennsylvania. Flying in the targeted month can save you up to 40%.

Can I find deals for flights from Pennsylvania to London that include hotel bookings?

Yes. In addition to deals on Pennsylvania to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Pennsylvania to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to London.

Can I find deals for business class flights from Pennsylvania to London?

Yes. Cheapflights offers flight deals from Pennsylvania to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£155+ Flights from Pennsylvania to London

Cheap flight deals from Pennsylvania to London

Round-trip from	£378
One-way from	£155
Popular in	June
Cheapest in	February
Average price	£845
Good round-trip deal	£454 or less
Good one-way deal	£330 or less

Lufthansa
26/8-2/9
2 total stops
20h 32m total
Pennsylvania to London

Search Deals

22/7
1 total stop
26h 10m total
Pennsylvania to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£106 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Price to beat on a round-trip flight from Pennsylvania to London (LON).

Search Deals

Price to beat on a one-way flight from Pennsylvania to London (LON).

Search Deals

Find flight deals from Pennsylvania to London

Cheapest flights from Pennsylvania to London
Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Tue 26/815:30LGA - LHR

1 stop10h 00mLufthansa

Tue 2/914:05LHR - LGA

1 stop10h 32mLufthansa

Deal found 11/6£378

Mon 21/721:30JFK - LHR

Nonstop7h 30mVirgin Atlantic

Wed 30/715:20LHR - JFK

1 stop12h 20mVirgin Atlantic

Deal found 12/6£378

Wed 24/916:55JFK - STN

1 stop12h 05mMultiple Airlines

Tue 30/912:15STN - JFK

1 stop12h 05mMultiple Airlines

Deal found 11/6£378

Sun 27/716:45JFK - LGW

1 stop13h 05mIberia

Thu 7/815:05LGW - JFK

Nonstop8h 00mIberia

Deal found 11/6£378

Tue 8/716:40LGA - LGW

2 stops23h 35mMultiple Airlines

Tue 15/721:35LGW - LGA

2 stops29h 58mMultiple Airlines

Deal found 12/6£378

Wed 27/816:54JFK - LHR

1 stop11h 01mDelta

Tue 9/909:55LHR - JFK

1 stop10h 30mDelta

Deal found 13/6£378

Wed 10/916:15JFK - LGW

1 stop20h 40mSWISS

Wed 17/918:35LGW - JFK

1 stop23h 15mSWISS

Deal found 13/6£378

Sun 20/720:25JFK - LHR

1 stop10h 30mIcelandair

Tue 29/721:25LHR - JFK

1 stop26h 45mIcelandair

Deal found 12/6£379

Mon 1/900:40JFK - LGW

1 stop10h 45mAir Europa

Mon 8/917:25LGW - JFK

1 stop29h 20mAir Europa

Deal found 12/6£379

Wed 27/810:15LGA - LHR

1 stop15h 15mUnited Airlines

Wed 3/907:45LHR - LGA

2 stops15h 58mUnited Airlines

Deal found 12/6£380

Mon 21/715:40JFK - LGW

2 stops21h 55mMultiple Airlines

Wed 30/708:50LGW - JFK

1 stop12h 10mMultiple Airlines

Deal found 12/6£380

Wed 10/917:10JFK - LGW

1 stop21h 20mBritish Airways

Tue 30/915:05LGW - JFK

Nonstop8h 00mBritish Airways

Deal found 11/6£380

Best flights from Pennsylvania to London
Discover carefully curated flight deals from Pennsylvania to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Tue 26/815:30LGA - LHR

1 stop10h 00mLufthansa

Tue 2/914:05LHR - LGA

1 stop10h 32mLufthansa

Deal found 11/6£378

Mon 21/721:30JFK - LHR

Nonstop7h 30mVirgin Atlantic

Wed 30/715:20LHR - JFK

1 stop12h 20mVirgin Atlantic

Deal found 12/6£378

Wed 24/916:55JFK - STN

1 stop12h 05mMultiple Airlines

Tue 30/912:15STN - JFK

1 stop12h 05mMultiple Airlines

Deal found 11/6£378

Sun 27/716:45JFK - LGW

1 stop13h 05mIberia

Thu 7/815:05LGW - JFK

Nonstop8h 00mIberia

Deal found 11/6£378

Wed 27/816:54JFK - LHR

1 stop11h 01mDelta

Tue 9/909:55LHR - JFK

1 stop10h 30mDelta

Deal found 13/6£378

Wed 10/916:15JFK - LGW

1 stop20h 40mSWISS

Wed 17/918:35LGW - JFK

1 stop23h 15mSWISS

Deal found 13/6£378

Sun 20/720:25JFK - LHR

1 stop10h 30mIcelandair

Tue 29/721:25LHR - JFK

1 stop26h 45mIcelandair

Deal found 12/6£379

Mon 1/900:40JFK - LGW

1 stop10h 45mAir Europa

Mon 8/917:25LGW - JFK

1 stop29h 20mAir Europa

Deal found 12/6£379

Wed 10/917:10JFK - LGW

1 stop21h 20mBritish Airways

Tue 30/915:05LGW - JFK

Nonstop8h 00mBritish Airways

Deal found 11/6£380

Wed 20/819:10LGA - LHR

1 stop9h 50mAir Canada

Wed 27/809:30LHR - LGA

1 stop10h 15mAir Canada

Deal found 12/6£381

Sun 24/819:29LGA - LHR

1 stop10h 11mUnited Airlines

Fri 5/909:30LHR - LGA

1 stop17h 00mUnited Airlines

Deal found 12/6£383

Tue 5/818:10JFK - LHR

1 stop21h 45mBrussels Airlines

Thu 21/807:45LHR - JFK

1 stop10h 15mBrussels Airlines

Deal found 11/6£392

Direct flights from Pennsylvania to London
Explore direct flight options from Pennsylvania to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 June 2025.

Sun 20/721:00JFK - LHR

Nonstop7h 15mVirgin Atlantic

Tue 29/716:50LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 12/6£378

Tue 5/820:05JFK - LGW

Nonstop7h 05mBritish Airways

Fri 15/815:05LGW - JFK

Nonstop8h 00mBritish Airways

Deal found 11/6£378

Wed 13/821:35JFK - LGW

Nonstop7h 25mDelta

Sat 23/812:00LGW - JFK

Nonstop8h 30mDelta

Deal found 11/6£379

Tue 2/918:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Sun 7/913:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 12/6£380

Wed 20/821:00JFK - LHR

Nonstop7h 15mDelta

Tue 26/816:50LHR - JFK

Nonstop7h 50mDelta

Deal found 11/6£380

Sun 20/722:55JFK - LHR

Nonstop7h 10mBritish Airways

Tue 29/714:10LHR - JFK

Nonstop7h 49mBritish Airways

Deal found 12/6£381

Thu 21/820:05JFK - LGW

Nonstop7h 05mAmerican Airlines

Thu 28/815:05LGW - JFK

Nonstop8h 00mAmerican Airlines

Deal found 12/6£393

Wed 3/920:05JFK - LGW

Nonstop7h 05mIberia

Mon 29/915:05LGW - JFK

Nonstop8h 00mIberia

Deal found 11/6£394

Tue 22/723:10JFK - LHR

Nonstop7h 05mIberia

Thu 31/713:20LHR - JFK

Nonstop7h 50mIberia

Deal found 11/6£395

Sat 26/721:40JFK - LGW

Nonstop7h 20mVirgin Atlantic

Sat 2/812:00LGW - JFK

Nonstop8h 20mVirgin Atlantic

Deal found 11/6£400

Mon 21/721:30JFK - LHR

Nonstop7h 10mFinnair

Wed 30/717:00LHR - JFK

Nonstop7h 55mFinnair

Deal found 12/6£400

Sun 20/717:25EWR - LHR

Nonstop7h 30mLufthansa

Tue 29/713:00LHR - EWR

Nonstop8h 20mLufthansa

Deal found 11/6£406

Last-minute flights from Pennsylvania to London
Discover last-minute flight deals from Pennsylvania to London. Data last updated 13 June 2025 and is based on user searches.

Tue 17/615:50LGA - LGW

2 stops15h 30mMultiple Airlines

Mon 23/620:40LGW - LGA

2 stops23h 05mMultiple Airlines

Deal found 10/6£399

Tue 17/615:35JFK - STN

2 stops20h 00mMultiple Airlines

Tue 24/622:35STN - JFK

2 stops21h 40mMultiple Airlines

Deal found 10/6£405

Sun 22/621:30JFK - LGW

Nonstop7h 30mAir France

Thu 21/812:00LGW - JFK

Nonstop8h 30mAir France

Deal found 11/6£386

Sun 22/621:30JFK - LGW

Nonstop7h 30mVirgin Atlantic

Tue 19/812:00LGW - JFK

Nonstop8h 30mVirgin Atlantic

Deal found 12/6£388

Sun 22/621:30JFK - LHR

Nonstop7h 20mVirgin Atlantic

Thu 28/809:55LHR - JFK

1 stop10h 30mVirgin Atlantic

Deal found 12/6£393

Sun 22/621:30JFK - LHR

Nonstop7h 20mDelta

Wed 20/817:00LHR - JFK

1 stop23h 39mDelta

Deal found 11/6£403

Sun 22/621:30JFK - LGW

Nonstop7h 30mDelta

Wed 30/712:00LGW - JFK

Nonstop8h 20mDelta

Deal found 12/6£404

Sun 22/619:45JFK - LGW

Nonstop7h 05mBritish Airways

Fri 22/815:05LGW - JFK

Nonstop8h 00mBritish Airways

Deal found 11/6£407

Sun 22/623:00JFK - LHR

Nonstop7h 05mIberia

Fri 22/809:15LHR - JFK

1 stop34h 15mIberia

Deal found 11/6£420

Sun 22/606:20EWR - LHR

1 stop25h 50mDelta

Wed 27/808:40LHR - EWR

2 stops15h 50mDelta

Deal found 10/6£427

Mon 23/620:40JFK - LGW

1 stop33h 10mIberia

Thu 18/915:05LGW - JFK

Nonstop8h 00mIberia

Deal found 11/6£402

Mon 23/620:30LGA - LHR

1 stop12h 00mDelta

Tue 16/912:45LHR - LGA

1 stop12h 13mDelta

Deal found 11/6£428

One-way flights from Pennsylvania to London
Search for one-way flight options from Pennsylvania to London. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Tue 22/700:15JFK - LGW

1 stop26h 10mMultiple Airlines

Deal found 12/6£155

Wed 23/722:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 12/6£156

Wed 16/709:55LGA - LGW

1 stop16h 00mMultiple Airlines

Deal found 11/6£157

Tue 12/820:25JFK - LHR

1 stop18h 55mIcelandair

Deal found 12/6£157

Fri 4/718:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 12/6£157

Tue 12/820:25JFK - LGW

1 stop13h 15mIcelandair

Deal found 11/6£157

Mon 28/723:55JFK - STN

1 stop32h 05mMultiple Airlines

Deal found 11/6£158

Mon 14/723:55JFK - LHR

1 stop16h 40mMultiple Airlines

Deal found 11/6£161

Tue 29/722:05JFK - LGW

2 stops17h 20mTAP AIR PORTUGAL

Deal found 13/6£166

Sun 13/718:20JFK - LGW

Nonstop7h 00mA.P.G.

Deal found 13/6£182

Mon 21/723:25JFK - LHR

Nonstop7h 00mVirgin Atlantic

Deal found 12/6£183

Mon 3/1114:05LGA - LHR

1 stop11h 25mLufthansa

Deal found 12/6£186

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 26/8

15:30-06:30

1 stop10h 00m

London Heathrow

Tue 2/9

14:05-19:37

1 stop10h 32m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 21/7

21:30-10:00

Nonstop7h 30m

London Heathrow

Wed 30/7

15:20-22:40

1 stop12h 20m

£378

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Wed 24/9

16:55-10:00

1 stop12h 05m

London Stansted

Tue 30/9

12:15-19:20

1 stop12h 05m

£378

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 27/7

16:45-10:50

1 stop13h 05m

London Gatwick

Thu 7/8

15:05-18:05

Nonstop8h 00m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 27/8

16:54-08:55

1 stop11h 01m

London Heathrow

Tue 9/9

09:55-15:25

1 stop10h 30m

£378

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 10/9

16:15-17:55

1 stop20h 40m

London Gatwick

Wed 17/9

18:35-12:50

1 stop23h 15m

£378

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Tue 8/7

16:40-21:15

2 stops23h 35m

London Gatwick

Tue 15/7

21:35-22:33

2 stops29h 58m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 20/7

20:25-11:55

1 stop10h 30m

London Heathrow

Tue 29/7

21:25-19:10

1 stop26h 45m

£379

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Mon 1/9

00:40-16:25

1 stop10h 45m

London Gatwick

Mon 8/9

17:25-17:45

1 stop29h 20m

£379

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 27/8

10:15-06:30

1 stop15h 15m

London Heathrow

Wed 3/9

07:45-18:43

2 stops15h 58m

£380

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 60 results

...

Best time to book a flight from Pennsylvania to London

Have a flexible travel schedule? Discover the best time to fly to London from Pennsylvania with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to London

What is the cheapest month to book a flight from Pennsylvania to London?

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to London (average of £112). Flying from Pennsylvania to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PA to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to London as you normally would.

Weekly flight availability from Pennsylvania to London

The most flights from USPA to LON are scheduled on a Monday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

See what other customers who have flown with Delta, Alaska Airlines and Porter Airlines from Pennsylvania to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,950 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Alaska Airlines

8.0

Very Good

10,000 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Porter Airlines

8.0

Very Good

288 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

802 reviews

Delta

8.0

Very Good

7,950 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Pennsylvania to London one-way?
One-way options have recently been found by users for as low as £156 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Icelandair from £157 and Norse Atlantic UK from £157 one-way.
What are the most popular routes from Pennsylvania to London?
When deciding which route to take from Pennsylvania to London consider New York John F Kennedy Intl - London Heathrow, Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick as they are the most popular.
What are the most reliable airlines from Pennsylvania to London?
The top 3 most reliable airlines when flying from Pennsylvania to London are Aer Lingus (90%), American Airlines (83%) and Finnair (83%).
What are the cheapest flights from Pennsylvania to London?
Looking for the cheapest flight from Pennsylvania to London? While on average our users pay £526, our data indicates the cheapest price to be £262. The most popular route (New York John F Kennedy Intl - London Heathrow), is priced around £199.
Can I find deals for flights from Pennsylvania to London that include hotel bookings?
Yes. In addition to deals on Pennsylvania to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Pennsylvania to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to London.
Can I find deals for business class flights from Pennsylvania to London?
Yes. Cheapflights offers flight deals from Pennsylvania to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Pennsylvania to London?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to London (average of £112). Flying from Pennsylvania to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Deal

Hounslow

Croydon

Milton Keynes

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Southend-on-Sea

Watford

Hayes

Ipswich

Winchester

Folkestone

Maidstone

Dartford

Guildford

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Pennsylvania to London

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest£422	Average£534	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Iberia	Cheapest£429	Average£530	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£451	Average£598	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£487	Average£724	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

How does Cheapflights help users find flights from Pennsylvania to London?

Cheapflights makes it easy to find Pennsylvania to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pennsylvania to London?

Cheapflights helps you find that perfect flight to London from Pennsylvania by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Pennsylvania to London with no change fees?

Yes! Cheapflights helps users easily find flights from Pennsylvania to London with no change fees.

Can Cheapflights notify me if prices for flights from Pennsylvania to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pennsylvania today and book when prices fit your budget.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Pennsylvania to London from £155

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pennsylvania to London

Keep the following information in mind while searching for Pennsylvania to London flight deals. Data was last updated 13 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Pennsylvania to London

Cheapest flights from Pennsylvania to LondonExplore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Pennsylvania to London

Have a flexible travel schedule? Discover the best time to fly to London from Pennsylvania with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to London

What is the cheapest month to book a flight from Pennsylvania to London?

What is the cheapest time of day to fly from PA to LON?

Find hourly flight availability from Pennsylvania to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

Weekly flight availability from Pennsylvania to London

Explore weekly flight availability from Pennsylvania to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 13 June 2025.

See what other customers who have flown with Delta, Alaska Airlines and Porter Airlines from Pennsylvania to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Pennsylvania to London one-way?

What are the most popular routes from Pennsylvania to London?

What are the most reliable airlines from Pennsylvania to London?

What are the cheapest flights from Pennsylvania to London?

Can I find deals for flights from Pennsylvania to London that include hotel bookings?

How can I find direct flights from Pennsylvania to London?

Can I find deals for business class flights from Pennsylvania to London?

What is the cheapest month to book a flight from Pennsylvania to London?

Travelling to a place near Pennsylvania?

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Alternative routes for Pennsylvania to London

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Top 4 airlines flying from Pennsylvania to London

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Cheapest flights from Pennsylvania to London
Explore the most affordable flight options available from Pennsylvania to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.