Cheapest return SJO–LHR flights, April

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

Return flights

25 Apr - 09 May KLM
29 Apr - 06 May KLM
23 Apr - 28 Apr KLM
23 Apr - 29 Apr Air France
22 Apr - 29 Apr Air France
24 Apr - 29 Apr KLM
24 Apr - 10 May Air France
22 Apr - 28 Apr Air France
22 Apr - 26 May Air France
30 Apr - 11 May Air France
22 Apr - 30 Apr Air France
24 Apr - 30 Apr KLM
22 Apr - 21 May KLM
21 Apr - 28 Apr Air France
24 Apr - 28 Apr KLM
21 Apr - 08 May Air France
20 Apr - 27 Apr Air France
19 Apr - 01 May United

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

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