Cheap flights from Philadelphia (PHL) to London (LON) from $179

This is the cheapest one-way flight price, found on 5/31. Prices may vary by date and flight preferences.
PHL — LON
Jun 5 — Jun 121
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The best prices from Philadelphia to London are usually found in February or March, booked 60 days in advance, depart on a Monday or Wednesday and return on a Wednesday

How to find the cheapest flight from Philadelphia (PHL) to London (LON)

All the information you need to plan the best PHL to LON flight in 2023: compare Philadelphia to London flight prices with the expected peak season, weather and rainfall in London.

Popular in

July

Cheapest in

February

Round-trip from

$633

One-way from

$179
High demand for flights, 23% potential price rise
Best time to find cheap flights, 14% potential price drop
From Philadelphia to London (LON)
One-way flight from Philadelphia to London (LON)

PHL - LON

Price

$633 - $1,115

LON

Temperature

39.2 - 62.6 °F

LON

Rainfall

1.6 - 2.8 inches

Cheap flights from Philadelphia to London in May, June 2023

The best prices found for PHL to LON flights for May, June
These are some of the best deals we've found on flights to London in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Philadelphia to London 2023 flight deals

Cheap flights to London from Philadelphia found for this year
These are some of the best deals we've found on flights to London in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Cheap Aer Lingus flights from Philadelphia to London

Take a look at some of the lowest-priced Aer Lingus flights heading from Philadelphia to London. Make sure to double check the flight details before booking.
  • Aer Lingus is one of the most popular airlines used for those traveling from Philadelphia to London. Flights on this route from Aer Lingus typically cost $1,022.27 RT, a price that is 57% more expensive than the average Philadelphia to London flight. The cheapest flight found was $662 RT. When traveling from Philadelphia to London on Aer Lingus, the most popular airport to depart from is Philadelphia Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Philadelphia to London, Aer Lingus flights are 6% more popular than any other airline flying that same route.

Cheap Icelandair flights from Philadelphia to London

Have a look at some of the cheapest available Icelandair flights departing from Philadelphia and landing in London. Check back soon if you're not seeing flights that suit your needs.
  • One of the most popular airlines traveling from Philadelphia to London is Icelandair. Philadelphia to London flights are typically 120% cheaper than other airlines traveling the same route. Flights from Icelandair typically cost $1,107.54 RT. The cheapest Icelandair flight found for this route was $709. The most popular departure airport in Philadelphia when flying to London is Philadelphia Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Philadelphia to London, Icelandair flights are 3% more popular than any other airline flying that same route.

Non-stop flights to London from Philadelphia

Save time with Philadelphia to London direct flight deals
For a quicker trip, book one of these direct flights from Philadelphia to London. Users seeking other options on flights from Philadelphia to London should update the search form at the top of the page.

Last minute flights from Philadelphia to London

Late deals on return flights to London from Philadelphia, departing today and this week
Book one of these great deals on flights from Philadelphia to London. Tip: verify your flight details before completing your reservation.

One-way flights to London from Philadelphia

The cheapest one-way flights from Philadelphia to London
Users traveling one-way from Philadelphia to London can select one of these great deals. Those seeking round-trip flights from Philadelphia to London should utilize the search form at the the top of the page.

Find flights from Philadelphia to London within your budget

Use the slider to find flights from Philadelphia to London that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$538 - $1,026

Route

Depart

Return

Price

PhiladelphiaLondon Gatwick

PHL - LGW

PHLLGW

Philadelphia

Wed 9/27

1 stop18h 11m

London Gatwick

Fri 9/29

1 stop27h 27m

PhiladelphiaLondon Gatwick

PHL - LGW

PHLLGW

Philadelphia

Sat 10/7

1 stop18h 11m

London Gatwick

Fri 10/13

1 stop27h 22m

PhiladelphiaLondon Gatwick

PHL - LGW

PHLLGW

Philadelphia

Mon 11/6

1 stop11h 55m

London Gatwick

Mon 11/13

1 stop12h 25m

PhiladelphiaLondon Gatwick

PHL - LGW

PHLLGW

Philadelphia

Wed 10/18

1 stop18h 11m

London Gatwick

Thu 10/19

1 stop27h 22m

PhiladelphiaLondon Heathrow

PHL - LHR

PHLLHR

Philadelphia

Mon 11/6

1 stop12h 50m

London Heathrow

Mon 11/13

1 stop13h 10m

PhiladelphiaLondon City

PHL - LCY

PHLLCY

Philadelphia

Tue 10/3

1 stop11h 15m

London City

Tue 10/10

1 stop12h 15m

PhiladelphiaLondon City

PHL - LCY

PHLLCY

Philadelphia

Tue 10/3

2 stops15h 35m

London City

Tue 10/17

2 stops19h 02m

PhiladelphiaLondon City

PHL - LCY

PHLLCY

Philadelphia

Tue 8/8

2 stops16h 25m

London City

Tue 8/22

2 stops27h 23m

PhiladelphiaLondon City

PHL - LCY

PHLLCY

Philadelphia

Wed 10/4

1 stop17h 40m

London City

Wed 10/11

1 stop13h 20m

Flights are sorted by cheapest first

Deals found on 5/30

Reviews of Airlines Servicing London

To help decide which airline to fly from Philadelphia to London, see what other customers have to say about Aer Lingus, Icelandair and Scandinavian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,367 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Delta
8.0
Very good
2,367 reviews
Delta
8.0
Very good
2,367 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

SWISS
7.6
Good
351 reviews
Delta
8.0
Very good
2,367 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Lufthansa
6.8
Okay
1,179 reviews
Delta
8.0
Very good
2,367 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Aer Lingus
6.7
Okay
273 reviews
Delta
8.0
Very good
2,367 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Icelandair
6.6
Okay
119 reviews
Delta
8.0
Very good
2,367 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

8.0

Comfort

7.9

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Related info for your journey

Useful info, stats and facts about Philadelphia to London flights.

Top 10 airlines flying from Philadelphia to London

The chart below displays the airlines Cheapflights users traveling from Philadelphia to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Air CanadaCheapest$460Average$473FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
United AirlinesCheapest$461Average$664FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
LufthansaCheapest$491Average$790FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
Aer LingusCheapest$526Average$733FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
Air FranceCheapest$613Average$751FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights
Virgin AtlanticCheapest$639Average$904FlexibilityNo cancel feeOn-time72%COVID-19 safety
Search Virgin Atlantic flights
JetBlueCheapest$658Average$1,018FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
FinnairCheapest$662Average$1,022FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
British AirwaysCheapest$686Average$1,021FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
American AirlinesCheapest$709Average$1,108FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Philadelphia to London

See what time of day planes typically take off from Philadelphia to London
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
24%of flight departuresAfternoonNoon to 6 pm
75%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Philadelphia to London

See how many times per day planes take to the skies headed from Philadelphia to London
Sunday12daily flights
Monday12daily flights
Tuesday12daily flights
Wednesday12daily flights
Thursday12daily flights
Friday12daily flights
Saturday12daily flights