Cheapest one-way flights from Phoenix to London in December from 226€

AirHint found the following cheapest one-way flights from Phoenix (PHX) to London (LGW) in December 2025 (see full year).

One-Way flights

12 Dec Frontier Airlines
03 Dec Frontier Airlines
11 Dec Frontier Airlines
08 Dec Frontier Airlines
10 Dec Frontier Airlines
09 Dec Frontier Airlines
01 Dec Frontier Airlines
14 Dec Spirit Airlines
17 Dec Frontier Airlines
21 Dec Frontier Airlines

Also check the deals for return flights from Phoenix to London in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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