AirHint found the following cheapest return flights from Phoenix (PHX) to London (LHR) in January 2026 (see full year).

Return flights

05 Jan - 12 Jan	WestJet
18 Jan - 22 Jan	WestJet
12 Jan - 17 Jan	jetBlue
15 Jan - 29 Jan	Scandinavian Airlines
18 Jan - 01 Feb	WestJet
15 Jan - 22 Jan	British Airways	direct
15 Jan - 29 Jan	American Airlines	direct
05 Jan - 12 Jan	British Airways	direct
25 Jan - 01 Feb	British Airways	direct
18 Jan - 01 Feb	American Airlines	direct
18 Jan - 22 Jan	American Airlines	direct
12 Jan - 17 Jan	American Airlines	direct

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

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

Cheapest return flights from Phoenix to London in January from $759

Return flights