Cheapest return flights from Philadelphia (PHL) to London (LHR), December

20 dates in December, from $ 617. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
6 Dec 11 Dec Frontier Airlines
3 Dec 7 Dec Frontier Airlines
5 Dec 11 Dec Frontier Airlines
9 Dec 14 Dec Frontier Airlines
2 Dec 6 Dec Frontier Airlines
2 Dec 7 Dec Aer Lingus
6 Dec 9 Dec jetBlue
10 Dec 13 Dec jetBlue
7 Dec 13 Dec jetBlue
3 Dec 16 Dec Frontier Airlines
30 Dec 8 Jan 2027 jetBlue
26 Dec 7 Jan 2027 jetBlue
30 Dec 4 Jan 2027 jetBlue
26 Dec 6 Jan 2027 jetBlue
17 Dec 5 Jan 2027 Frontier Airlines
25 Dec 4 Jan 2027 Frontier Airlines
23 Dec 1 Jan 2027 jetBlue
21 Dec 3 Jan 2027 jetBlue
17 Dec 3 Jan 2027 Frontier Airlines
26 Dec 2 Jan 2027 jetBlue
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Deals for one-way flights from Philadelphia to London in December.

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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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