Cheapest return flights from London to San Juan in July from 721€

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 July 2025 (see full year).

Return flights

02 Jul - 09 Jul jetBlue
10 Jul - 16 Jul jetBlue
10 Jul - 17 Jul jetBlue
14 Jul - 20 Jul Virgin Atlantic
11 Jul - 14 Jul jetBlue
08 Jul - 14 Jul jetBlue
14 Jul - 25 Jul jetBlue
13 Jul - 20 Jul jetBlue
30 Jul - 10 Aug jetBlue
31 Jul - 07 Aug Iberia
28 Jul - 29 Aug Iberia
31 Jul - 10 Aug Iberia
06 Jul - 13 Jul jetBlue

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

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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