Cheapest return flights from London to San Juan in May from 571€

Best time to book flights for London (LHR) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to San Juan (SJU) in May 2025 (see full year).

Return flights

07 May - 13 May jetBlue
06 May - 13 May jetBlue
06 May - 15 May jetBlue
05 May - 12 May jetBlue
01 May - 12 May jetBlue
01 May - 11 May jetBlue
02 May - 11 May jetBlue
05 May - 22 May jetBlue
08 May - 15 May jetBlue
09 May - 17 May Lufthansa
27 May - 03 Jun Scandinavian Airlines
27 May - 10 Jun jetBlue
29 May - 05 Jun Icelandair
23 May - 02 Jun jetBlue
25 May - 01 Jun jetBlue
31 May - 14 Jun jetBlue
26 May - 13 Jun jetBlue
24 May - 02 Jun jetBlue

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

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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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