What’s the cost of a flight from London Heathrow to Philadelphia?

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

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Best airport options between London and Philadelphia

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in London: London is served by 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in Philadelphia: Trenton Mercer offers an alternative to Philadelphia - International.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Find flights from London Heathrow to Philadelphia that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in United States? These cities are also in demand: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.