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

Return flights

27 Jan - 03 Feb	Lufthansa
04 Jan - 24 Jan	Iberia
14 Jan - 20 Jan	British Airways
12 Jan - 07 Feb	British Airways
13 Jan - 07 Feb	WestJet
09 Jan - 20 Jan	British Airways
09 Jan - 15 Jan	British Airways
09 Jan - 14 Jan	British Airways
11 Jan - 25 Jan	British Airways
25 Jan - 08 Feb	British Airways
23 Jan - 30 Jan	British Airways
15 Jan - 21 Jan	British Airways
15 Jan - 22 Jan	British Airways
11 Jan - 31 Jan	British Airways
27 Jan - 02 Feb	WestJet
31 Jan - 07 Feb	British Airways
24 Jan - 08 Feb	WestJet
25 Jan - 03 Feb	Lufthansa
14 Jan - 07 Feb	Lufthansa
28 Jan - 02 Feb	Lufthansa

Also check the deals for one-way flights from Santa Ana 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.

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Cheapest return flights from Santa Ana to London in January from $656

Return flights