Cheap flights from London to Philadelphia
Selected dates may not give results due to COVID-19. We suggest you change the dates.
Round trip One way
Round trip
One way
Select departure
No results match your search criteria
  • Latest searches
Select arrival
No results match your search criteria
  • Latest searches
Round trip One way
Round trip
One way
{{ weekDay }}
{{ panel.label }}
Looking for a one-way flight?
{{ fromDate | dateToDayNumber }}

{{ fromDate | dateToMonthName }}

{{ fromDate | dateToDayName }}

{{ flexibleFromDateLabel }}
{{ option.label }}
?
{{ flexibleToDateLabel }}
{{ option.label }}
Class and passengers
Class
Economy
Available for Economy only
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
  • Compare with:
    Sponsored

Find the best deal for flights from London to Philadelphia

Fly Scanner search engine allows you to save money by comparing hundreds of flight deals in seconds, finding the offer that's right for you. Filter your search according to the parameters that interest you and Fly Scanner will show you only the offers that suit your needs.

Are you looking for a London - Philadelphia direct flight?

If you are looking for direct flights only, just filter your search and we will include the best offers for you by selecting the cheapest ones among all the companies and agencies operating on the web. Try to customize your search and find the ideal airline ticket for you!

Find the London - Philadelphia low cost flight you prefer

Fly Scanner, once you enter your departure and arrival cities, will compare thousands of offers based on your needs.

Filter your search

Fly Scanner offers the possibility to customize your search according to different criteria:

  • Only direct flights
  • Only flights of one airline
  • Only flights departing or arriving at a specific airport
Other filters allow you to check prices for nearby dates to save even more on your trip to United States.

Frequently Asked Questions

Frequently asked questions about flights from London to Philadelphia.

How much does a London - Philadelphia flight cost?

The lowest price in the last 15 days for an airline ticket from London to Philadelphia is $859.

How far is London from Philadelphia?

London is about 3548 mi from Philadelphia.

What are the airports in Philadelphia?

Philadelphia has another airport: Trenton Mercer.

What are the airports in London?

At London there are 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the most popular destinations searched for in United States?

The most searched cities in United States according to our users are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

What is the cheapest month to fly from London to Philadelphia?

The cheapest month to fly from London to Philadelphia is September.

What is the most expensive month to fly from London to Philadelphia?

The most expensive month to fly from London to Philadelphia is June.

What is the best day of the week to fly from London to Philadelphia?

For flights from London to Philadelphia Thursday is on average the cheapest day to fly, while Thursday is the most expensive day to fly.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more