Are there direct flights from London to Philadelphia?

Yes, direct flights from London to Philadelphia are available. Historically, direct flights have accounted for approximately 11.8% of all flight options on this route. For flights with stopovers, travelers typically experience one stop on average.

How many hours is the flight from London to Philadelphia?

A direct flight from London to Philadelphia typically takes around 7 hours and 55 minutes. Flights with one stop, however, have a median duration of 14 hours and 5 minutes. The air distance between the two cities is approximately 5690 kilometers.

How often do cheap flights from London to Philadelphia come up?

Historically, cheap flights from London to Philadelphia come up frequently. This route is considered to offer deals with consistent regularity. Travelers can often find favorable prices for this destination.

Flights From London

To Philadelphia

Cheap Flights from London to Philadelphia

Browse current best options from London. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

London

RatePunk searches hundreds of travel sites at once for deals on flights to Philadelphia

Prices updated 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from London to Philadelphia

Explore current cheapest deals departing from London to Philadelphia

2026-09-24 – 2026-09-26
LON - Philadelphia
92% AI deal score
£708
£421
Round trip
2026-11-01 – 2026-11-07
LON - Philadelphia
73% AI deal score
£382
£434
Round trip
2026-11-08 – 2026-11-15
LON - Philadelphia
80% AI deal score
£534
£443
Round trip
2026-11-19 – 2026-11-22
LON - Philadelphia
76% AI deal score
£488
£443
Round trip
2026-11-15 – 2026-11-22
LON - Philadelphia
85% AI deal score
£537
£443
Round trip
2026-11-05 – 2026-11-09
LON - Philadelphia
85% AI deal score
£552
£443
Round trip
2026-11-01 – 2026-11-10
LON - Philadelphia
72% AI deal score
£371
£443
Round trip
2026-11-15 – 2026-11-18
LON - Philadelphia
73% AI deal score
£399
£444
Round trip
2026-11-06 – 2026-11-08
LON - Philadelphia
85% AI deal score
£554
£446
Round trip
2026-12-01 – 2026-12-06
LON - Philadelphia
85% AI deal score
£589
£448
Round trip

London to Philadelphia: Overview

Insights for flights from London to Philadelphia

Right now, the cheapest flights from London to Philadelphia are above the typical level. Fares for this route typically range from $790–$1276, with a median of $1086. New deals appear almost daily, offering frequent opportunities to find better prices.

When is the cheapest time to fly from London to Philadelphia? You'll find the lowest median fares in September, with prices averaging $620. Other affordable months include October, with a median fare of $654, and January, where the median fare is $663.

A typical journey from London to Philadelphia takes about 7h 55m. This route is classified as long-haul, covering a distance of 5690 kilometers. Most itineraries connect at least once, with a median of 1 stopover when connecting.

How much is a round trip from London to Philadelphia

Regular price: £476 - £687

Prices for flights from London to Philadelphia are currently below the regular range.

The regular price range for flights from London to Philadelphia is 476 GBP to 687 GBP. The current lowest deal is 420 GBP with United Airlines, for travel from Oct 9-Oct 10.

now £420

Low £476

High £687

The cheapest time to fly from London to Philadelphia

The cheapest month to fly from London to Philadelphia is September, with a median price of $619. The most expensive month is August, with a median price of $1272. Prices are generally lower from January to December.

September

Cheapest

Flights from £619

August

Most Expensive

Flights from £1,272

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from London to Philadelphia

Iberia Airlines

Last-minute flights going from London to Philadelphia

Wed, Sep 16

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

Air Canada

£757

£634

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

United Airlines

£828

£616

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

Air Canada

£823

£635

One-way

Fri, Sep 18

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

British Airways

£816

£674

One-way

Sat, Sep 19

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

Air Canada

£702

£622

One-way

Thu, Sep 24

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

United Airlines

£708

£421

One-way

Biggest price drops on these dates for flights from London to Philadelphia

4 nights

Sep 17 - Sep 21

£823 → £635

23%

3 nights

Sep 19 - Sep 22

£828 → £683

17%

2 nights

Sep 18 - Sep 20

£816 → £674

17%

6 nights

Sep 22 - Sep 28

£650 → £547

16%

Popular Airports to fly from London to Philadelphia

London - Philadelphia route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from London to Philadelphia are above the typical level at $1086.

📅 Best time to fly

Fly in September for the best prices

Historically, September ($620), October ($654), and January ($663) offer the lowest median prices.

⏱️ Flight duration

Direct flights take 7h 55m

Direct flights to Philadelphia typically take 7h 55m, while connecting flights average 15h 5m.

✈️ Airlines & availability

Connecting flights are dominant

Only 11.8% of recent flights from London to Philadelphia are direct, with connecting options dominant.

🏆 Airline highlight

Iberia Airlines offers direct flights

Iberia Airlines provides direct flight options on this route, with deals available.

🎯 Booking tip

Deals appear frequently

Deals for flights from London to Philadelphia appear frequently, offering good booking opportunities.

London main airports to depart from

Gatwick (LGW)

Cheapest

Gatwick offers flights to Philadelphia, and is often the cheapest option from London.

📍 ~40 km from city center (reachable by car or train)

💸 Flights from ~£415

Philadelphia main airports to arrive at

Philadelphia International (PHL)

Cheapest

Philadelphia International is a convenient arrival airport for flights to Philadelphia.

📍 ~11 km from city center (reachable by car)

💸 Flights from ~£442

Airports nearby Philadelphia used as alternative

Newark Liberty International (EWR)

Newark Liberty International offers a vast network of domestic and global destinations, often with competitive pricing and direct flight options.

📍 ~135 km from Philadelphia (reachable by rail)

💸 Flights from ~£299

Business & First Class Flight Deals to Philadelphia

Discover luxury on the budget with premium cabin class on flights from London to Philadelphia.

Elite

Best Elite deals to Philadelphia

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From LHR

Elite

Feb 22

Philadelphia, United States

94% AI deal score

$4,582

$2,447

Save $2,135

Icelandair, +1

Business Class

From LHR

Elite

Feb 28

Philadelphia, United States

94% AI deal score

$4,564

$2,452

Save $2,112

Icelandair, +1

Business Class

From LHR

Elite

Feb 22

Philadelphia, United States

94% AI deal score

$4,663

$2,468

Save $2,195

Icelandair, +1

Business Class

From LHR

Elite

Feb 25

Philadelphia, United States

94% AI deal score

$4,604

$2,493

Save $2,111

Icelandair, +1

Business Class

From LHR

Elite

Feb 26

Philadelphia, United States

94% AI deal score

$4,604

$2,493

Save $2,111

Icelandair, +1

Business Class

From LHR

Elite

Feb 25

Philadelphia, United States

93% AI deal score

$4,520

$2,496

Save $2,024

Icelandair, +1

Business Class

From LHR

Elite

Feb 28

Philadelphia, United States

93% AI deal score

$4,546

$2,497

Save $2,049

Icelandair, +1

Business Class

From LHR

Elite

Feb 21

Philadelphia, United States

93% AI deal score

$4,629

$2,497

Save $2,132

Icelandair, +1

Business Class

From LHR

Elite

Feb 26

Philadelphia, United States

93% AI deal score

$4,573

$2,499

Save $2,074

Icelandair, +1

Business Class

From LHR

Elite

Feb 25

Philadelphia, United States

93% AI deal score

$4,529

$2,538

Save $1,991

Icelandair, +1

Business Class

From LHR

Elite

Feb 25

Philadelphia, United States

93% AI deal score

$4,600

$2,540

Save $2,060

Icelandair, +1

Business Class

From LGW

Elite

Feb 22

Philadelphia, United States

92% AI deal score

$3,884

$2,467

Save $1,417

Icelandair, +1

Business Class

Frequently Asked Questions About Flights to Philadelphia

Historically, the lowest average prices for flights from London to Philadelphia are found when booking 28-59 days in advance. During this period, the average price is typically around $944. Booking within 0-6 days of departure usually sees prices rise to an average of $1069. Even booking 60+ days out tends to be slightly more expensive, with an average price of $969.

Across the trailing quarter, a good price for a flight from London to Philadelphia is considered to be $790 or less. The median price for this route has been $1086. Prices can go higher, with 75% of observed prices being $1276 or less.

Historically, the cheapest months to fly from London to Philadelphia include September, with a median price of $620, and October, with a median price of $654. January also typically offers lower prices, with a median of $663. The annual median price for this route is $1086, indicating significant savings in these months.

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London to Philadelphia: Overview

Insights for flights from London to Philadelphia

How much is a round trip from London to Philadelphia

Regular price: £476 - £687

Prices for flights from London to Philadelphia are currently below the regular range.

The regular price range for flights from London to Philadelphia is 476 GBP to 687 GBP. The current lowest deal is 420 GBP with United Airlines, for travel from Oct 9-Oct 10.

now £420

Low £476

High £687

The cheapest time to fly from London to Philadelphia

September

Cheapest

Flights from £619

August

Most Expensive

Flights from £1,272

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from London to Philadelphia

Iberia Airlines

Last-minute flights going from London to Philadelphia

Wed, Sep 16

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

Air Canada

£757

£634

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

United Airlines

£828

£616

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

Air Canada

£823

£635

One-way

Fri, Sep 18

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

British Airways

£816

£674

One-way

Sat, Sep 19

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

Air Canada

£702

£622

One-way

Thu, Sep 24

⌛ Last-Minute

LHR - Philadelphia

London (LHR) - Philadelphia (PHL)

United Airlines

£708

£421

One-way

Biggest price drops on these dates for flights from London to Philadelphia

4 nights

Sep 17 - Sep 21

£823 → £635

23%

3 nights

Sep 19 - Sep 22

£828 → £683

17%

2 nights

Sep 18 - Sep 20

£816 → £674

17%

6 nights

Sep 22 - Sep 28

£650 → £547

16%

Popular Airports to fly from London to Philadelphia

London - Philadelphia route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from London to Philadelphia are above the typical level at $1086.

📅 Best time to fly

Fly in September for the best prices

Historically, September ($620), October ($654), and January ($663) offer the lowest median prices.

⏱️ Flight duration

Direct flights take 7h 55m

Direct flights to Philadelphia typically take 7h 55m, while connecting flights average 15h 5m.

✈️ Airlines & availability

Connecting flights are dominant

Only 11.8% of recent flights from London to Philadelphia are direct, with connecting options dominant.

🏆 Airline highlight

Iberia Airlines offers direct flights

Iberia Airlines provides direct flight options on this route, with deals available.

🎯 Booking tip

Deals appear frequently

Deals for flights from London to Philadelphia appear frequently, offering good booking opportunities.

London main airports to depart from

Gatwick (LGW)

Cheapest

Gatwick offers flights to Philadelphia, and is often the cheapest option from London.

📍 ~40 km from city center (reachable by car or train)

💸 Flights from ~£415

Philadelphia main airports to arrive at

Philadelphia International (PHL)

Cheapest

Philadelphia International is a convenient arrival airport for flights to Philadelphia.

📍 ~11 km from city center (reachable by car)

💸 Flights from ~£442

Airports nearby Philadelphia used as alternative

Newark Liberty International (EWR)

Newark Liberty International offers a vast network of domestic and global destinations, often with competitive pricing and direct flight options.

Philadelphia, United States

92% AI deal score

$3,884

$2,467

Save $1,417

Icelandair, +1

Business Class

Frequently Asked Questions About Flights to Philadelphia

Cheap Flights from London to Philadelphia

Today’s best flight deals from London to Philadelphia

London to Philadelphia: Overview

Insights for flights from London to Philadelphia

How much is a round trip from London to Philadelphia

The cheapest time to fly from London to Philadelphia

Direct flights from London to Philadelphia

Last-minute flights going from London to Philadelphia

Biggest price drops on these dates for flights from London to Philadelphia

Popular Airports to fly from London to Philadelphia

London - Philadelphia route insights

Recent fares are above the typical level

Fly in September for the best prices

Direct flights take 7h 55m

Connecting flights are dominant

Iberia Airlines offers direct flights

Deals appear frequently

London main airports to depart from

Philadelphia main airports to arrive at

Airports nearby Philadelphia used as alternative

Business & First Class Flight Deals to Philadelphia

Best Elite deals to Philadelphia

Feb 22

Feb 28

Feb 22

Feb 25

Feb 26

Feb 25

Feb 28

Feb 21

Feb 26

Feb 25

Feb 25

Feb 22

Frequently Asked Questions About Flights to Philadelphia

How early should I book London to Philadelphia flights to get the cheapest price?

What is a good price for a flight from London to Philadelphia?

Which months have the cheapest flights from London to Philadelphia?

Are there direct flights from London to Philadelphia?

How many hours is the flight from London to Philadelphia?

How often do cheap flights from London to Philadelphia come up?

Related routes

More routes from London

Flights to Philadelphia from other cities

London to Philadelphia: Overview

Insights for flights from London to Philadelphia

How much is a round trip from London to Philadelphia

The cheapest time to fly from London to Philadelphia

Direct flights from London to Philadelphia

Last-minute flights going from London to Philadelphia

Biggest price drops on these dates for flights from London to Philadelphia

Popular Airports to fly from London to Philadelphia

London - Philadelphia route insights

Recent fares are above the typical level

Fly in September for the best prices

Direct flights take 7h 55m

Connecting flights are dominant

Iberia Airlines offers direct flights

Deals appear frequently

London main airports to depart from

Philadelphia main airports to arrive at

Airports nearby Philadelphia used as alternative

Business & First Class Flight Deals to Philadelphia

Best Elite deals to Philadelphia

Feb 22

Feb 28

Feb 22

Feb 25

Feb 26

Feb 25

Feb 28

Feb 21

Feb 26

Feb 25

Feb 25

Feb 22

Frequently Asked Questions About Flights to Philadelphia

How early should I book London to Philadelphia flights to get the cheapest price?

What is a good price for a flight from London to Philadelphia?

Which months have the cheapest flights from London to Philadelphia?