Cheap flights from Philadelphia to London Heathrow, United Kingdom (PHL - LHR)

As a rule, buying flight tickets from Philadelphia to London Heathrow expends a lot. Using our service of searching for cheap flight tickets, you will be able to save a significant sum of money! We will help tip to buy flight tickets from Philadelphia to London Heathrow at the most favorable prices.

Out service helps you to find tickets from Philadelphia to London Heathrow in the most reliable travel agencies and booking systems, including all the airline companies. We don't sell tickets and don't do any surcharges, we just find the best offers - you choose yourself where you want to buy flight tickets Philadelphia - London Heathrow at the best price!

We also recommend you to look through the prices for return tickets from London Heathrow to Philadelphia.

Flights price per day for May 2025

Philadelphia - London
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Airfares found by our users in the past 24 hours

The cheapest flight from Philadelphia to London Heathrow is 64 922 on Icelandair, departing on 18.06.2025 and returning on 24.06.2025.
The price for these dates could change. Use search to get the best price.
AirlineDeparture dateReturn datePrice
Icelandair18.06.202524.06.2025from 64 922

Average round-trip airfares from Philadelphia to London Heathrow by months

MonthRound-Trip
April 2025find now
May 2025find now
June 202518.06 - 24.06from 64 922
July 2025find now
August 2025find now
September 2025find now
October 2025find now
November 2025find now
December 2025find now
January 2026find now
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March 2026find now

The price which were found by our clients for the latest several days. Given ticket prices could change. It's connected with the presence of flight tickets while booking.

Airlines are flying from Philadelphia to London Heathrow

American Airlines
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