Cheapest return flights from London to San Juan in January from 597€

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 January 2026 (see full year).

Return flights

14 Jan - 28 Jan jetBlue
14 Jan - 26 Jan jetBlue
14 Jan - 21 Jan jetBlue
06 Jan - 17 Jan jetBlue
23 Jan - 01 Feb jetBlue
25 Jan - 02 Feb jetBlue
08 Jan - 18 Jan jetBlue
15 Jan - 24 Jan jetBlue
16 Jan - 24 Jan jetBlue
10 Jan - 17 Jan jetBlue
10 Jan - 24 Jan jetBlue
22 Jan - 31 Jan jetBlue
28 Jan - 11 Feb Iberia
31 Jan - 11 Feb Iberia
24 Jan - 08 Feb Iberia
30 Jan - 11 Feb Iberia

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

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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