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

Return flights

22 Apr - 29 Apr	Lufthansa
21 Apr - 28 Apr	Lufthansa
07 Apr - 14 Apr	Lufthansa
01 Apr - 25 Apr	Lufthansa
14 Apr - 09 May	Lufthansa
14 Apr - 21 Apr	British Airways
26 Apr - 04 May	WestJet
22 Apr - 28 Apr	Lufthansa
18 Apr - 25 Apr	Lufthansa
09 Apr - 02 May	Lufthansa
29 Apr - 05 May	Lufthansa
18 Apr - 09 May	Lufthansa
17 Apr - 24 Apr	British Airways
17 Apr - 25 Apr	Lufthansa
02 Apr - 25 Apr	Lufthansa
29 Apr - 23 May	Lufthansa
25 Apr - 09 May	Lufthansa
28 Apr - 23 May	Lufthansa
17 Apr - 09 May	Lufthansa
30 Apr - 23 May	Lufthansa

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

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 April from $683

Return flights