Find out what a flight from London to Philadelphia might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between London and Philadelphia.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports serve London and Philadelphia?

When planning a trip of about 3548 mi, it's a good idea to check flights from surrounding airports too.

• Airports in London: London is connected to 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in Philadelphia: Another nearby option is Trenton Mercer.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Smart ways to search flights from London to Philadelphia

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like American, Delta, United, and more.

Other popular destinations

Flying to United States? Other travelers also searched: Atlanta, Los Angeles, Miami, New York City, Orlando.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.