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Cheapest one-way flights from Philadelphia (PHL) to London (LHR), December

10 dates in December, from $ 411. Book in one tap, or check whether to buy now or wait.

One-way Return

Dates, airline, and price
Dates	Airline	Price
9 Dec	jetBlue
30 Dec	jetBlue
2 Dec	jetBlue

27 Dec	jetBlue
20 Dec	jetBlue
22 Dec	Frontier Airlines
9 Dec	Aer Lingus Direct Flight
30 Dec	Aer Lingus Direct Flight
2 Dec	Aer Lingus Direct Flight
20 Dec	British Airways Direct Flight

Cheapest deals for the full year

Deals for return flights from Philadelphia to London in December.

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Updated Oct 13, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Philadelphia (PHL) to London (LHR), December

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