Cheapest return flights from Phoenix to London in December from $630

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

Return flights

07 Dec - 15 Dec Air Canada
01 Dec - 12 Dec Air Canada
01 Dec - 12 Dec American Airlines direct
07 Dec - 15 Dec British Airways direct
04 Dec - 07 Dec Air Canada
06 Dec - 13 Dec British Airways direct
04 Dec - 07 Dec American Airlines direct
09 Dec - 22 Dec British Airways direct
01 Dec - 06 Dec WestJet
16 Dec - 23 Dec British Airways direct
20 Dec - 08 Jan Delta
28 Dec - 03 Jan Porter Airlines (Canada) Ltd
25 Dec - 03 Jan WestJet
26 Dec - 02 Jan British Airways direct
20 Dec - 08 Jan British Airways direct
25 Dec - 03 Jan British Airways direct
19 Dec - 02 Jan Sun Country Airlines
18 Dec - 01 Jan Lufthansa
18 Dec - 01 Jan British Airways direct
28 Dec - 03 Jan British Airways direct

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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