Cheapest return flights from Phoenix to London in December from 833€

Best time to book flights for Phoenix (PHX) to London (LHR) flights at AirHint

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

Return flights

02 Dec - 08 Dec Air Canada
08 Dec - 14 Dec Delta
29 Dec - 10 Jan British Airways direct

Also check the deals for one-way flights from Phoenix to London in December.

Skyscanner

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.

Book a cheap hotel in London

Cheap car rent in London