What percentage of Philadelphia to London flights are direct?

Across the trailing 90 days, approximately 9.5% of flights from Philadelphia to London were direct. For travelers opting for connecting flights, the median number of stopovers was typically 2. This indicates that the majority of routes between these two cities involve at least one stop.

How long is the flight from Philadelphia to London?

The median duration for a direct flight from Philadelphia to London is approximately 7 hours and 10 minutes, covering a distance of 5721 kilometers. For flights with one stop, the median travel time increases significantly to about 14 hours and 3 minutes. Travelers should account for these differences when planning their journey.

How much do direct flights from Philadelphia to London cost compared to connecting flights?

Historically, direct flights from Philadelphia to London have been observed to cost slightly more than connecting flights, with a premium of approximately 1%. The median price for a direct flight was $987, while connecting flights had a median price of $976. Direct flights accounted for about 13.1% of the total observed flights across the trailing 90 days, indicating they are less common but only marginally more expensive on average.

Flights From Philadelphia

To London

Cheap Flights from Philadelphia to London

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Prices updated 2 days ago

405 airlines compared

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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 Philadelphia to London

Explore current cheapest deals departing from Philadelphia to London

2026-08-08 – 2026-08-25
PHL - London
87% AI deal score
$829
$567
Round trip
2026-11-14 – 2026-11-19
PHL - London
87% AI deal score
$817
$602
Round trip
2026-08-13 – 2026-08-27
PHL - London
85% AI deal score
$852
$605
Round trip
2026-08-11 – 2026-08-25
PHL - London
85% AI deal score
$857
$607
Round trip
2026-08-16 – 2026-08-25
PHL - London
86% AI deal score
$874
$609
Round trip
2026-08-17 – 2026-08-29
PHL - London
87% AI deal score
$845
$613
Round trip
2026-08-13 – 2026-08-25
PHL - London
85% AI deal score
$854
$623
Round trip
2026-08-17 – 2026-08-26
PHL - London
87% AI deal score
$874
$626
Round trip
2026-08-05 – 2026-08-26
PHL - London
78% AI deal score
$712
$626
Round trip
2026-09-28 – 2026-09-30
PHL - London
78% AI deal score
$746
$629
Round trip

Philadelphia to London: Overview

Insights for flights from Philadelphia to London

For travelers looking for cheap flights from Philadelphia to London, recent data indicates that only 1% of fares were classified as a good price. Prices typically range from $941–$1317, with a median of $1093. Right now, fares are above the typical level.

When is the cheapest time to fly from Philadelphia to London? The data shows that January is typically the most affordable month, with a median fare of $478. Other cost-effective months include April, with a median fare of $651, and June, where the median fare is $819.

Most itineraries for flights from Philadelphia to London are connecting, with most itineraries connecting at least once. Only 9.5% of recent fares were for direct flights from Philadelphia to London. For connecting itineraries, the typical number of connections is 2.

A typical journey from Philadelphia to London takes about 7h 10m, including connections. This median duration accounts for both direct and connecting flights. For connecting itineraries specifically, the median journey time extends to 21h 25m, while non-stop flights have a median duration of 7h 10m.

The route from Philadelphia to London covers a distance of 5721 km, classifying it as a long-haul journey. This means you can expect a significant travel time, often involving overnight flights.

How much is a round trip from Philadelphia to London

Regular price: $564 - $1,393

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

The regular price range for flights from Philadelphia to London is between $564 and $1393. The current lowest deal is $585 with Frontier Airlines for travel from Oct 22-Oct 28.

now $585

Low $564

High $1,393

The cheapest time to fly from Philadelphia to London

The cheapest month to fly from Philadelphia to London is January, with a median price of $627. The most expensive month is July, with a median price of $1319. Prices are generally lower from January to October.

January

Cheapest

Flights from $627

July

Most Expensive

Flights from $1,319

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to London

Finnair

Last-minute flights going from Philadelphia to London

Wed, Jul 29

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines, Norse Atlantic UK

$940

$724

One-way

Wed, Jul 29

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines, Norse Atlantic UK

$940

$734

One-way

Wed, Jul 29

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines, Norse Atlantic UK

$940

$734

One-way

Tue, Aug 4

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines

$966

$634

One-way

Sat, Aug 8

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines

$817

$630

One-way

Mon, Aug 10

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines

$814

$612

One-way

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

6 nights

Aug 4 - Aug 10

$966 → $634

34%

4 nights

Aug 27 - Aug 31

$1,045 → $736

30%

6 nights

Aug 20 - Aug 26

$998 → $699

30%

7 nights

Aug 21 - Aug 28

$909 → $630

31%

Popular Airports to fly from Philadelphia to London

Philadelphia - London route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from Philadelphia to London are above the typical level for this route.

📅 Best time to fly

January is historically cheapest at $478.

Historically, January offers the lowest median prices at $478 for flights from Philadelphia to London.

⏱️ Flight duration

Direct flights average 7h 10m.

Direct flights from Philadelphia to London typically take 7 hours and 10 minutes.

✈️ Airlines & availability

Connecting flights are dominant.

Only 9.5% of recent flights are direct, with connecting flights having a median of 2 stopovers.

🏆 Airline highlight

Finnair offers direct flights.

Finnair is an airline that has offered direct flights on this route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from Philadelphia to London appear frequently, typically within a 30-day window.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Philadelphia International Airport is a great choice for flights from Philadelphia to London.

📍 ~10 km from city center (reachable by car or train)

💸 Flights from ~$618

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport offers a convenient arrival option for flights from Philadelphia to London.

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

💸 Flights from ~$615

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub and a reliable alternative when London airports are congested.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$622

Business & First Class Flight Deals to London

89% AI deal score

$2,545

$2,166

Save $379

Frequently Asked Questions About Flights to London

Historically, the best time to purchase tickets for flights from Philadelphia to London is typically 14-27 days before departure. During this window, the average price observed was around $805. Prices tend to be higher outside this period, for example, flights booked 0-6 days out averaged $1189, and those booked 60+ days in advance averaged $1151. This trend has been consistent across the trailing 90 days of flight data.

Based on historical data from the trailing 90 days, a good price for a flight from Philadelphia to London is typically around $941 or less. The median price observed for this route was $1093. Prices can go higher, with 75% of observed fares being $1317 or less. Aiming for a price below $941 would generally be considered a favorable deal.

Historically, the cheapest months to fly from Philadelphia to London include January, with a median price of $478, and April, with a median price of $651. June has also shown relatively lower median prices at $819. Across the trailing 270 days, the annual median price for this route was $1093, making these months significantly more affordable than the yearly average.

Related routes

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Philadelphia to London: Overview

Insights for flights from Philadelphia to London

How much is a round trip from Philadelphia to London

Regular price: $564 - $1,393

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

The regular price range for flights from Philadelphia to London is between $564 and $1393. The current lowest deal is $585 with Frontier Airlines for travel from Oct 22-Oct 28.

now $585

Low $564

High $1,393

The cheapest time to fly from Philadelphia to London

January

Cheapest

Flights from $627

July

Most Expensive

Flights from $1,319

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to London

Finnair

Last-minute flights going from Philadelphia to London

Wed, Jul 29

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines, Norse Atlantic UK

$940

$724

One-way

Wed, Jul 29

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines, Norse Atlantic UK

$940

$734

One-way

Wed, Jul 29

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines, Norse Atlantic UK

$940

$734

One-way

Tue, Aug 4

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines

$966

$634

One-way

Sat, Aug 8

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines

$817

$630

One-way

Mon, Aug 10

⌛ Last-Minute

PHL - London

Philadelphia (PHL) - London (LGW)

Frontier Airlines

$814

$612

One-way

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

6 nights

Aug 4 - Aug 10

$966 → $634

34%

4 nights

Aug 27 - Aug 31

$1,045 → $736

30%

6 nights

Aug 20 - Aug 26

$998 → $699

30%

7 nights

Aug 21 - Aug 28

$909 → $630

31%

Popular Airports to fly from Philadelphia to London