Cheapest return flights from London to San Juan in July from 688€

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

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

Return flights

01 Jul - 10 Jul jetBlue
03 Jul - 10 Jul jetBlue
02 Jul - 16 Jul jetBlue
15 Jul - 22 Jul jetBlue
14 Jul - 21 Jul jetBlue
02 Jul - 12 Jul jetBlue
17 Jul - 23 Jul jetBlue
15 Jul - 25 Jul jetBlue
04 Jul - 14 Jul jetBlue
11 Jul - 18 Jul jetBlue
29 Jul - 12 Aug jetBlue
28 Jul - 03 Aug jetBlue
26 Jul - 02 Aug jetBlue
30 Jul - 06 Aug jetBlue
30 Jul - 10 Aug jetBlue
23 Jul - 27 Aug Icelandair

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

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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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