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

Return flights

05 May - 12 May	Lufthansa
01 May - 12 May	Lufthansa
06 May - 13 May	Lufthansa
05 May - 30 May	Lufthansa
06 May - 30 May	Lufthansa
07 May - 12 May	Lufthansa
07 May - 30 May	Lufthansa
13 May - 24 May	British Airways
12 May - 24 May	British Airways
04 May - 20 May	Lufthansa
13 May - 06 Jun	British Airways
24 May - 04 Jun	Lufthansa
14 May - 06 Jun	Lufthansa
28 May - 05 Jun	Lufthansa
23 May - 06 Jun	Lufthansa
26 May - 09 Jun	Lufthansa
11 May - 06 Jun	Lufthansa
16 May - 06 Jun	Lufthansa
30 May - 01 Jun	Lufthansa
21 May - 13 Jun	Lufthansa

Also check the deals for one-way flights from Santa Ana to London in May.

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 May from $683

Return flights