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

Return flights

10 Mar - 24 Mar	Icelandair
16 Mar - 20 Mar	Icelandair
25 Mar - 01 Apr	Icelandair
06 Mar - 13 Mar	Icelandair
01 Mar - 21 Mar	Icelandair
06 Mar - 01 Apr	Icelandair
19 Mar - 30 Mar	Icelandair
25 Mar - 03 Apr	Icelandair
15 Mar - 04 Apr	Icelandair
25 Mar - 04 Apr	Icelandair
28 Mar - 03 Apr	Icelandair
26 Mar - 03 Apr	Icelandair
29 Mar - 03 Apr	Icelandair
14 Mar - 22 Mar	Icelandair
29 Mar - 18 Apr	Icelandair
13 Mar - 21 Mar	Icelandair
21 Mar - 28 Mar	Icelandair
20 Mar - 11 Apr	Icelandair

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

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 San Jose to London in March from $892

Return flights