United AirlinesDepart21:05
Sun, Nov 8YXU → PHL
3h 48m · 2 stops
$841one way, per person
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- Cheapest fare
- $841
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 48m
United Airlines · Sun, Nov 8
from $841
Usually 1+ stop
610 km
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Cheapest month to fly from London to Philadelphia
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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Getting around
About flights from London to Philadelphia
London (YXU) and Philadelphia (PHL) are about 610 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 48m. Over the next few months, one-way fares start from $841, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from London to Philadelphia?
The cheapest one-way fare we've seen recently is $841 with United Airlines, departing Sunday, November 8, 2026.
What is the cheapest month to fly from London to Philadelphia?
November 2026 currently has the lowest fares, from $841 one way.
Are there direct flights from London to Philadelphia?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from London to Philadelphia?
The quickest journey we've seen takes about 3h 48m. London and Philadelphia are around 610 km apart.
Which airlines fly from London to Philadelphia?
Recent fares on this route were with United Airlines.
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