Cheapest return flights from London to San Jose in April from $707

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

Return flights

21 Apr - 28 Apr Icelandair
13 Apr - 11 May Avianca
15 Apr - 23 Apr Avianca
19 Apr - 28 Apr Avianca
25 Apr - 03 May Avianca
27 Apr - 06 May Avianca
16 Apr - 29 Apr Avianca
20 Apr - 29 Apr Avianca
27 Apr - 02 May Avianca
15 Apr - 14 May Avianca
16 Apr - 04 May Avianca
09 Apr - 07 May Avianca
16 Apr - 07 May Avianca
13 Apr - 25 Apr Avianca
15 Apr - 29 Apr Avianca
14 Apr - 28 Apr Avianca
09 Apr - 25 Apr Avianca
24 Apr - 04 May Avianca
10 Apr - 20 Apr SWISS
14 Apr - 12 May Air Canada

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