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 £126 on Icelandair. Other airlines that offer cheap prices include Norse Atlantic UK from £126 and TAP AIR PORTUGAL from £128 one-way.

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.

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).

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 £575, our data indicates the cheapest price to be £261. The most popular route (New York John F Kennedy Intl - London Heathrow), is priced around £267.

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 (87%), American Airlines (86%) and Finnair (86%).

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 £504. For sooner than that we have options available in the next 3 days from £670.

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 £591. You can even find prices in February for less than £591, as users have found deals to London from as low as £405. 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 41%.

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.

£126+ Flights from Pennsylvania to London

Cheap flight deals from Pennsylvania to London

Round-trip from	£357
One-way from	£126
Popular in	June
Cheapest in	February
Average price	£718
Good round-trip deal	£473 or less
Good one-way deal	£326 or less

Norse Atlantic UK
28/8-11/9
Nonstop
14h 50m total
Pennsylvania to London

Search Deals

Icelandair
21/7
1 total stop
10h 30m total
Pennsylvania to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£102 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 2 July 2025.

Thu 28/818:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Sun 14/913:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 30/6£357

Fri 15/820:55JFK - LHR

Nonstop7h 15mMultiple Airlines

Fri 22/806:15LHR - JFK

1 stop14h 15mMultiple Airlines

Deal found 1/7£357

Wed 6/819:10LGA - LHR

1 stop9h 50mAir Canada

Wed 27/809:30LHR - LGA

1 stop10h 15mAir Canada

Deal found 30/6£358

Wed 10/913:55JFK - LHR

1 stop12h 45mFinnair

Mon 15/909:30LHR - JFK

1 stop14h 35mFinnair

Deal found 2/7£359

Wed 30/721:05JFK - STN

1 stop10h 40mMultiple Airlines

Thu 14/809:20STN - JFK

1 stop15h 00mMultiple Airlines

Deal found 1/7£359

Thu 28/818:20JFK - LGW

Nonstop7h 00mMultiple Airlines

Wed 17/909:25LGW - JFK

1 stop18h 05mMultiple Airlines

Deal found 30/6£359

Thu 14/820:25JFK - LHR

1 stop10h 30mIcelandair

Thu 28/813:05LHR - JFK

1 stop14h 05mIcelandair

Deal found 30/6£359

Wed 10/920:05JFK - LGW

Nonstop7h 05mBritish Airways

Wed 17/911:35LGW - JFK

1 stop12h 20mBritish Airways

Deal found 2/7£359

Tue 29/706:59LGA - LGW

1 stop22h 01mMultiple Airlines

Sun 7/914:00LGW - LGA

1 stop24h 00mMultiple Airlines

Deal found 30/6£361

Tue 4/1118:25JFK - LHR

Nonstop6h 55mIberia

Wed 12/1109:55LHR - JFK

1 stop17h 05mIberia

Deal found 30/6£361

Wed 10/912:30JFK - LGW

1 stop16h 05mJetBlue

Wed 17/912:10LGW - JFK

1 stop14h 42mJetBlue

Deal found 30/6£361

Sun 17/815:00LGA - LHR

1 stop10h 45mVirgin Atlantic

Mon 25/809:40LHR - LGA

1 stop11h 50mVirgin Atlantic

Deal found 30/6£362

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 2 July 2025.

Thu 28/818:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Thu 11/913:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 30/6£357

Fri 15/820:55JFK - LHR

Nonstop7h 15mMultiple Airlines

Fri 22/806:15LHR - JFK

1 stop14h 15mMultiple Airlines

Deal found 1/7£357

Wed 6/819:10LGA - LHR

1 stop9h 50mAir Canada

Wed 27/809:30LHR - LGA

1 stop10h 15mAir Canada

Deal found 30/6£358

Wed 10/913:55JFK - LHR

1 stop12h 45mFinnair

Mon 15/909:30LHR - JFK

1 stop14h 35mFinnair

Deal found 2/7£359

Thu 14/820:25JFK - LHR

1 stop10h 30mIcelandair

Thu 28/813:05LHR - JFK

1 stop14h 05mIcelandair

Deal found 30/6£359

Wed 10/920:05JFK - LGW

Nonstop7h 05mBritish Airways

Wed 17/911:35LGW - JFK

1 stop12h 20mBritish Airways

Deal found 2/7£359

Tue 4/1118:25JFK - LHR

Nonstop6h 55mIberia

Wed 12/1109:55LHR - JFK

1 stop17h 05mIberia

Deal found 30/6£361

Wed 10/912:30JFK - LGW

1 stop16h 05mJetBlue

Wed 17/912:10LGW - JFK

1 stop14h 42mJetBlue

Deal found 30/6£361

Sun 17/815:00LGA - LHR

1 stop10h 45mVirgin Atlantic

Mon 25/809:40LHR - LGA

1 stop11h 50mVirgin Atlantic

Deal found 30/6£362

Fri 19/919:30JFK - LHR

Nonstop7h 15mAmerican Airlines

Mon 22/907:50LHR - JFK

1 stop11h 55mAmerican Airlines

Deal found 30/6£362

Wed 10/909:00JFK - LHR

1 stop19h 35mUnited Airlines

Mon 15/908:40LHR - JFK

1 stop12h 55mUnited Airlines

Deal found 29/6£365

Wed 6/822:05JFK - LGW

2 stops32h 15mTAP AIR PORTUGAL

Mon 8/921:15LGW - JFK

2 stops27h 50mTAP AIR PORTUGAL

Deal found 1/7£365

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 2 July 2025.

Thu 28/818:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Thu 11/913:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 30/6£357

Wed 1/1021:30JFK - LHR

Nonstop7h 10mBritish Airways

Tue 7/1008:25LHR - JFK

Nonstop7h 45mBritish Airways

Deal found 1/7£360

Thu 14/820:30JFK - LHR

Nonstop7h 20mVirgin Atlantic

Thu 21/820:10LHR - JFK

Nonstop7h 50mVirgin Atlantic

Deal found 30/6£361

Wed 23/720:05JFK - LGW

Nonstop7h 05mBritish Airways

Sat 23/815:05LGW - JFK

Nonstop8h 00mBritish Airways

Deal found 1/7£362

Thu 7/820:05JFK - LGW

Nonstop7h 05mIberia

Thu 14/815:05LGW - JFK

Nonstop8h 00mIberia

Deal found 29/6£362

Mon 4/823:25JFK - LHR

Nonstop7h 00mAir France

Wed 27/820:10LHR - JFK

Nonstop7h 50mAir France

Deal found 1/7£364

Thu 31/721:40JFK - LGW

Nonstop7h 20mDelta

Thu 7/812:00LGW - JFK

Nonstop8h 30mDelta

Deal found 30/6£364

Tue 19/821:35JFK - LGW

Nonstop7h 25mVirgin Atlantic

Mon 25/812:00LGW - JFK

Nonstop8h 29mVirgin Atlantic

Deal found 1/7£366

Mon 18/820:59JFK - LHR

Nonstop7h 31mJetBlue

Thu 21/808:15LHR - JFK

Nonstop8h 04mJetBlue

Deal found 30/6£371

Fri 14/1118:15JFK - LGW

Nonstop6h 45mMultiple Airlines

Thu 20/1113:00LGW - JFK

Nonstop7h 55mMultiple Airlines

Deal found 1/7£373

Tue 22/719:00JFK - LHR

Nonstop7h 15mMultiple Airlines

Thu 31/718:50LHR - JFK

Nonstop7h 39mMultiple Airlines

Deal found 30/6£373

Sun 9/1123:20JFK - LHR

Nonstop6h 55mIberia

Thu 13/1112:55LHR - JFK

Nonstop8h 05mIberia

Deal found 30/6£375

Last-minute flights from Pennsylvania to London
Discover last-minute flight deals from Pennsylvania to London. Data last updated 2 July 2025 and is based on user searches.

Mon 7/718:20JFK - LGW

Nonstop7h 00mMultiple Airlines

Mon 15/921:05LGW - JFK

2 stops30h 25mMultiple Airlines

Deal found 30/6£362

Mon 7/721:40JFK - LGW

Nonstop7h 20mDelta

Sat 23/812:00LGW - JFK

Nonstop8h 29mDelta

Deal found 30/6£365

Mon 7/709:00JFK - STN

2 stops31h 00mMultiple Airlines

Tue 22/711:15STN - JFK

2 stops30h 35mMultiple Airlines

Deal found 1/7£367

Mon 7/719:25JFK - LGW

1 stop9h 10mJetBlue

Wed 20/812:10LGW - JFK

1 stop13h 54mJetBlue

Deal found 30/6£368

Mon 7/718:29JFK - LHR

1 stop9h 36mAer Lingus

Mon 15/907:40LHR - JFK

1 stop10h 45mAer Lingus

Deal found 30/6£384

Tue 8/719:10JFK - LHR

1 stop21h 45mBritish Airways

Thu 10/719:05LHR - JFK

Nonstop7h 55mBritish Airways

Deal found 2/7£362

Tue 8/721:40JFK - LGW

Nonstop7h 20mVirgin Atlantic

Thu 7/812:00LGW - JFK

Nonstop8h 30mVirgin Atlantic

Deal found 30/6£370

Tue 8/709:00JFK - LHR

1 stop16h 30mUnited Airlines

Wed 1/1008:40LHR - JFK

1 stop12h 55mUnited Airlines

Deal found 30/6£383

Tue 8/711:00EWR - LHR

1 stop29h 00mUnited Airlines

Wed 1/1009:05LHR - EWR

1 stop33h 50mUnited Airlines

Deal found 30/6£385

Thu 10/718:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Fri 22/813:05LGW - JFK

Nonstop7h 50mNorse Atlantic UK

Deal found 30/6£359

Sat 12/709:45JFK - LHR

Nonstop6h 55mFinnair

Tue 30/910:20LHR - JFK

1 stop13h 45mFinnair

Deal found 1/7£374

Sat 12/717:30JFK - LHR

1 stop11h 25mMultiple Airlines

Tue 30/906:00LHR - JFK

1 stop11h 50mMultiple Airlines

Deal found 30/6£380

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 2 July 2025.

Mon 21/720:25JFK - LHR

1 stop10h 30mIcelandair

Deal found 1/7£126

Fri 1/818:20JFK - LGW

Nonstop7h 00mNorse Atlantic UK

Deal found 2/7£126

Fri 3/1022:55LGA - LGW

1 stop27h 05mMultiple Airlines

Deal found 1/7£128

Tue 22/722:05JFK - LGW

2 stops17h 20mTAP AIR PORTUGAL

Deal found 2/7£128

Mon 28/722:05JFK - LHR

1 stop14h 40mTAP AIR PORTUGAL

Deal found 30/6£130

Tue 9/923:10JFK - LGW

1 stop10h 30mIcelandair

Deal found 30/6£130

Tue 15/723:40JFK - LGW

1 stop12h 40mIberia

Deal found 30/6£133

Wed 6/823:55JFK - STN

1 stop31h 00mMultiple Airlines

Deal found 30/6£138

Mon 21/700:15JFK - LGW

1 stop26h 10mMultiple Airlines

Deal found 1/7£140

Fri 7/1123:45JFK - LHR

1 stop15h 20mIberia

Deal found 2/7£147

Wed 30/707:05LGA - LHR

1 stop18h 25mAir Canada

Deal found 30/6£151

Wed 5/1121:15JFK - LHR

Nonstop7h 15mJetBlue

Deal found 1/7£154

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

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 28/8

18:20-06:20

Nonstop7h 00m

London Gatwick

Thu 11/9

13:05-15:55

Nonstop7h 50m

£357

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 15/8

20:55-09:10

Nonstop7h 15m

London Heathrow

Fri 22/8

06:15-15:30

1 stop14h 15m

£357

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Wed 6/8

19:10-10:00

1 stop9h 50m

London Heathrow

Wed 27/8

09:30-14:45

1 stop10h 15m

£358

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 10/9

13:55-07:40

1 stop12h 45m

London Heathrow

Mon 15/9

09:30-19:05

1 stop14h 35m

£359

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Wed 30/7

21:05-12:45

1 stop10h 40m

London Stansted

Thu 14/8

09:20-19:20

1 stop15h 00m

£359

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 14/8

20:25-11:55

1 stop10h 30m

London Heathrow

Thu 28/8

13:05-22:10

1 stop14h 05m

£359

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 10/9

20:05-08:10

Nonstop7h 05m

London Gatwick

Wed 17/9

11:35-18:55

1 stop12h 20m

£359

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 4/11

18:25-06:20

Nonstop6h 55m

London Heathrow

Wed 12/11

09:55-22:00

1 stop17h 05m

£361

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 10/9

12:30-09:35

1 stop16h 05m

London Gatwick

Wed 17/9

12:10-21:52

1 stop14h 42m

£361

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 17/8

15:00-06:45

1 stop10h 45m

London Heathrow

Mon 25/8

09:40-16:30

1 stop11h 50m

£362

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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 Saturday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing London

Check out reviews from past customers who have flown with Delta, KLM, andAustrian Airlines from Pennsylvania to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,975 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

7,975 reviews

Delta

8.0

Very Good

7,975 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

1,366 reviews

Delta

8.0

Very Good

7,975 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

809 reviews

Delta

8.0

Very Good

7,975 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!

Finnair

7.6

Good

1,303 reviews

Delta

8.0

Very Good

7,975 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!

Air France

7.5

Good

1,472 reviews

Delta

8.0

Very Good

7,975 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 £126 on Icelandair. Other airlines that offer cheap prices include Norse Atlantic UK from £126 and TAP AIR PORTUGAL from £128 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 (87%), American Airlines (86%) and Finnair (86%).
What are the cheapest flights from Pennsylvania to London?
Looking for the cheapest flight from Pennsylvania to London? While on average our users pay £575, our data indicates the cheapest price to be £261. The most popular route (New York John F Kennedy Intl - London Heathrow), is priced around £267.
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

Hounslow

Croydon

Milton Keynes

Deal

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Hayes

Folkestone

Southend-on-Sea

Watford

Ipswich

Winchester

Maidstone

Guildford

Chichester

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£417	Average£527	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Iberia	Cheapest£424	Average£524	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£458	Average£593	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£481	Average£757	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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Cheap flights from Pennsylvania to London from £126

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 21/7. 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 2 July 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 2 July 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 2 July 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 2 July 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 2 July 2025.

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 2 July 2025.

Check out reviews from past customers who have flown with Delta, KLM, andAustrian Airlines from Pennsylvania to London to help guide your decision. You can also see how each airline stacks up 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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for 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 2 July 2025.