Cheapest return flights from London to San Juan in April from $706

AirHint found the following cheapest return flights from London (LGW) to San Juan (SJU) in April 2026 (see full year).

Return flights

08 Apr - 18 Apr Norse Atlantic Airways (UK)
20 Apr - 30 Apr Vueling Airlines
08 Apr - 30 Apr Norse Atlantic Airways (UK)
10 Apr - 30 Apr Norse Atlantic Airways (UK)
22 Apr - 01 May easyJet
16 Apr - 23 Apr Icelandair
22 Apr - 30 Apr easyJet
24 Apr - 02 May easyJet
30 Apr - 07 May Icelandair
07 Apr - 30 Apr Norse Atlantic Airways (UK)
09 Apr - 30 Apr Norse Atlantic Airways (UK)
25 Apr - 02 May Norse Atlantic Airways (UK)
18 Apr - 30 Apr Norse Atlantic Airways (UK)
07 Apr - 25 Apr Norse Atlantic Airways (UK)
28 Apr - 09 May Norse Atlantic Airways (UK)
23 Apr - 01 May Ryanair
17 Apr - 02 May Norse Atlantic Airways (UK)
16 Apr - 02 May Norse Atlantic Airways (UK)
29 Apr - 05 May Icelandair
30 Apr - 09 May Icelandair

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