Cheapest return flights from London to San Juan in March from $887

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

Return flights

10 Mar - 17 Mar SWISS
11 Mar - 17 Mar SWISS
17 Mar - 24 Mar SWISS
10 Mar - 18 Mar SWISS
11 Mar - 18 Mar SWISS
09 Mar - 18 Mar SWISS
17 Mar - 25 Mar SWISS
06 Mar - 10 Mar SWISS
23 Mar - 31 Mar SWISS
19 Mar - 26 Mar SWISS
30 Mar - 06 Apr SWISS
30 Mar - 09 Apr SWISS
25 Mar - 08 Apr Aer Lingus
29 Mar - 06 Apr SWISS
31 Mar - 08 Apr SWISS
30 Mar - 11 Apr SWISS
31 Mar - 09 Apr Iberia
26 Mar - 08 Apr Aer Lingus
28 Mar - 07 Apr SWISS
26 Mar - 06 Apr SWISS

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

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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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