Cheapest return flights from London to San Juan in August from 772€

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 August 2025 (see full year).

Return flights

26 Aug - 09 Sep jetBlue
25 Aug - 04 Sep Iberia
30 Aug - 06 Sep jetBlue
24 Aug - 09 Sep Iberia
22 Aug - 03 Sep Iberia
01 Aug - 27 Aug jetBlue
23 Aug - 30 Aug Iberia
13 Aug - 29 Aug Iberia
22 Aug - 02 Sep Iberia
12 Aug - 22 Aug Iberia
09 Aug - 23 Aug Iberia
09 Aug - 16 Aug Iberia
22 Aug - 26 Aug Iberia
12 Aug - 24 Aug jetBlue
01 Aug - 10 Aug Iberia
23 Aug - 31 Aug jetBlue

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

Skyscanner

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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