Cheapest return flights from San Jose to London in April from $640

AirHint found the following cheapest return flights from San Jose (SJC) to London (LHR) in April 2026 (see full year).

Return flights

28 Apr - 04 May Air Canada
08 Apr - 24 Apr British Airways
26 Apr - 05 May British Airways
01 Apr - 25 Apr British Airways
22 Apr - 16 May British Airways
15 Apr - 09 May British Airways
16 Apr - 29 Apr British Airways
29 Apr - 03 May British Airways
03 Apr - 25 Apr British Airways
04 Apr - 25 Apr British Airways
03 Apr - 11 Apr British Airways
16 Apr - 25 Apr British Airways
04 Apr - 13 Apr British Airways
05 Apr - 25 Apr British Airways
03 Apr - 10 Apr British Airways
28 Apr - 23 May British Airways
27 Apr - 23 May British Airways
27 Apr - 05 May Lufthansa
07 Apr - 07 May Lufthansa
20 Apr - 16 May Lufthansa

Also check the deals for one-way flights from San Jose to London in April.

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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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