Frontier AirlinesDepart05:15
Fri, Nov 13PHL → YXU
8h 33m · 3 stops
$418one way, per person
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- Cheapest fare
- $418
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 8h 33m
Frontier Airlines · Fri, Nov 13
from $418
Usually 1+ stop
610 km
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Cheapest month to fly from Philadelphia to London
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 Philadelphia to London
Philadelphia (PHL) and London (YXU) 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 8h 33m. Over the next few months, one-way fares start from $418, 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 Philadelphia to London?
The cheapest one-way fare we've seen recently is $418 with Frontier Airlines, departing Friday, November 13, 2026.
What is the cheapest month to fly from Philadelphia to London?
November 2026 currently has the lowest fares, from $418 one way.
Are there direct flights from Philadelphia to London?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Philadelphia to London?
The quickest journey we've seen takes about 8h 33m. Philadelphia and London are around 610 km apart.
Which airlines fly from Philadelphia to London?
Recent fares on this route were with Frontier Airlines.
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