Are there direct flights from London to Philadelphia?

Yes, direct flights from London to Philadelphia are available. Across the trailing quarter, approximately 11.8% of flights on this route were direct. For flights that include stopovers, the median number of stopovers is typically one. This indicates that while direct options exist, connecting flights are more common for this route.

How many hours is the flight from London to Philadelphia?

The typical direct flight from London to Philadelphia has a duration of approximately 7 hours and 55 minutes. For flights that include one stop, the median travel time is considerably longer, averaging around 14 hours and 5 minutes. The route covers an approximate distance of 5690 kilometers. Travelers should account for these differences in duration when planning their journey.

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

Historically, cheap flights from London to Philadelphia come up frequently. This route is classified as one with frequent deals. Travelers can typically find good opportunities for economical fares across the trailing 30 days. This consistent availability makes it easier to find suitable flight options 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 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from London to Philadelphia

Explore current cheapest deals departing from London to Philadelphia

2026-09-09 – 2026-09-14
LON - Trenton
79% AI deal score
£536
£448
Round trip
2026-10-07 – 2026-10-21
LON - Philadelphia
73% AI deal score
£448
£450
Round trip
2026-10-04 – 2026-10-18
LON - Philadelphia
73% AI deal score
£448
£452
Round trip
2026-10-05 – 2026-10-16
LON - Philadelphia
73% AI deal score
£451
£453
Round trip
2026-09-04 – 2026-09-12
LON - Philadelphia
73% AI deal score
£441
£453
Round trip
2026-10-10 – 2026-10-22
LON - Philadelphia
73% AI deal score
£449
£454
Round trip
2026-09-14 – 2026-09-27
LON - Philadelphia
72% AI deal score
£432
£458
Round trip
2026-10-05 – 2026-10-19
LON - Philadelphia
73% AI deal score
£448
£462
Round trip
2026-10-09 – 2026-10-21
LON - Philadelphia
73% AI deal score
£449
£462
Round trip
2026-09-01 – 2026-09-11
LON - Philadelphia
72% AI deal score
£435
£463
Round trip

London to Philadelphia: Overview

Insights for flights from London to Philadelphia

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

When considering the cheapest time to fly from London to Philadelphia, September stands out with a median fare of $620. Following closely are October, with a median of $654, and January, with a median of $663. These months offer the most budget-friendly options for this route.

A typical journey from London to Philadelphia takes about 7h 55m, including connections. Given that most itineraries connect at least once, this duration accounts for the total travel time. The route itself is a long-haul journey, covering a distance of 5690 km.

For direct flights from London to Philadelphia, you'll find that only 11.8% of recent fares are non-stop. This indicates that most itineraries connect at least once, with the typical connecting flight involving 1 stopover.

How much is a round trip from London to Philadelphia

Regular price: £457 - £1,165

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

The regular price range for this route is typically between 457 GBP and 1165 GBP. The current lowest deal is 448 GBP with Norse Atlantic UK for travel from Sep 9-Sep 14.

now £448

Low £457

High £1,165

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

British Airways

Last-minute flights going from London to Philadelphia

Wed, Aug 26

⌛ Last-Minute

STN - Philadelphia

London (STN) - Philadelphia (PHL)

Ryanair

£634

£532

One-way

Wed, Aug 26

⌛ Last-Minute

STN - Philadelphia

London (STN) - Philadelphia (PHL)

Ryanair

£648

£546

One-way

Thu, Aug 27

⌛ Last-Minute

STN - Philadelphia

London (STN) - Philadelphia (PHL)

Ryanair

£651

£548

One-way

Tue, Sep 1

⌛ Last-Minute

LGW - Philadelphia

London (LGW) - Philadelphia (PHL)

Norse Atlantic UK

£435

£463

One-way

Tue, Sep 1

⌛ Last-Minute

LGW - Philadelphia

London (LGW) - Philadelphia (PHL)

Norse Atlantic UK

£428

£466

One-way

Tue, Sep 1

⌛ Last-Minute

LGW - Philadelphia

London (LGW) - Philadelphia (PHL)

JetBlue Airways

£456

£483

One-way

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

2 nights

Dec 12 - Dec 14

£752 → £542

28%

4 nights

Dec 13 - Dec 17

£754 → £575

24%

3 nights

Dec 4 - Dec 7

£721 → £565

22%

4 nights

Dec 11 - Dec 15

£735 → £590

20%

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, with a median price of $1086.

📅 Best time to fly

September is historically the cheapest month to fly

Historically, September is the cheapest month to fly from London to Philadelphia, with a median price of $620.

⏱️ Flight duration

Direct flights take 7h 55m

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

✈️ Airlines & availability

Connecting flights are dominant on this route

Connecting flights are dominant, accounting for 88.2% of recent deals from London to Philadelphia.

🏆 Airline highlight

British Airways offers direct flights

British Airways is an airline offering direct flights from London to Philadelphia.

🎯 Booking tip

Deals are frequent on this route

Deals from London to Philadelphia are frequent, appearing often over the last 30 days.

London main airports to depart from

Gatwick (LGW)

Cheapest

Gatwick Airport is often the cheapest option for flights from London to Philadelphia.

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

💸 Flights from ~£400

Philadelphia main airports to arrive at

Philadelphia International (PHL)

Cheapest

Philadelphia International Airport is a major hub, convenient for reaching Philadelphia and the surrounding region.

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

💸 Flights from ~£432

Airports nearby Philadelphia used as alternative

Newark Liberty International (EWR)

Consider EWR for its vast network of domestic and global destinations, often with competitive pricing and direct flight options.

📍 ~135 km from Philadelphia (reachable by rail)

💸 Flights from ~£327

Business & First Class Flight Deals to Philadelphia

81% AI deal score

$4,632

$3,754

Save $878

Frequently Asked Questions About Flights to Philadelphia

Historically, the lowest average prices for flights from London to Philadelphia are found when booking in the 28-59 days window. During this period, the average price is typically around $944. Booking within 0-6 days of departure sees the average price rise to approximately $1069. Even booking 60+ days out can result in a slightly higher average price of $969, indicating that there is a sweet spot for securing more economical fares.

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 historically stands at $1086. Prices can go higher, with 75% of fares being $1276 or less. Travelers aiming for the most economical options should target prices at or below the $790 threshold.

Historically, the cheapest months to fly from London to Philadelphia are September, October, and January. In September, the median price is around $620, while October sees a median of $654. January also offers competitive fares, with a median price of $663. These prices are significantly lower than the annual median price of $1086 for this route.

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Flights to Philadelphia from other cities

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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: £457 - £1,165

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

The regular price range for this route is typically between 457 GBP and 1165 GBP. The current lowest deal is 448 GBP with Norse Atlantic UK for travel from Sep 9-Sep 14.

now £448

Low £457

High £1,165

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

British Airways

Last-minute flights going from London to Philadelphia

Wed, Aug 26

⌛ Last-Minute

STN - Philadelphia

London (STN) - Philadelphia (PHL)

Ryanair

£634

£532

One-way

Wed, Aug 26

⌛ Last-Minute

STN - Philadelphia

London (STN) - Philadelphia (PHL)

Ryanair

£648

£546

One-way

Thu, Aug 27

⌛ Last-Minute

STN - Philadelphia

London (STN) - Philadelphia (PHL)

Ryanair

£651

£548

One-way

Tue, Sep 1

⌛ Last-Minute

LGW - Philadelphia

London (LGW) - Philadelphia (PHL)

Norse Atlantic UK

£435

£463

One-way

Tue, Sep 1

⌛ Last-Minute

LGW - Philadelphia

London (LGW) - Philadelphia (PHL)

Norse Atlantic UK

£428

£466

One-way

Tue, Sep 1

⌛ Last-Minute

LGW - Philadelphia

London (LGW) - Philadelphia (PHL)

JetBlue Airways

£456

£483

One-way

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

2 nights

Dec 12 - Dec 14

£752 → £542

28%

4 nights

Dec 13 - Dec 17

£754 → £575

24%

3 nights

Dec 4 - Dec 7

£721 → £565

22%

4 nights

Dec 11 - Dec 15

£735 → £590

20%

Popular Airports to fly from London to Philadelphia