Cheapest return flights from Phoenix to London in December from $802

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

Return flights

03 Dec - 11 Dec Sun Country Airlines
15 Dec - 10 Jan Porter Airlines (Canada) Ltd
19 Dec - 06 Jan Sun Country Airlines
20 Dec - 03 Jan Sun Country Airlines

Also check the deals for one-way 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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