Cheapest return flights from London to San Juan in April from $675

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

Return flights

25 Apr - 03 May Wizz Air UK
17 Apr - 28 Apr Wizz Air Malta
13 Apr - 24 Apr Ryanair
30 Apr - 09 May Ryanair
15 Apr - 29 Apr Wizz Air Malta
18 Apr - 28 Apr Ryanair
29 Apr - 09 May Ryanair
14 Apr - 21 Apr Ryanair
12 Apr - 24 Apr Wizz Air Malta
19 Apr - 30 Apr Ryanair
13 Apr - 19 Apr Ryanair
27 Apr - 05 May Norse Atlantic Airways (UK)
18 Apr - 24 Apr Wizz Air Malta
09 Apr - 15 Apr Norse Atlantic Airways (UK)
28 Apr - 09 May Ryanair
17 Apr - 02 May Ryanair
20 Apr - 03 May Ryanair
13 Apr - 09 May jetBlue
20 Apr - 31 May Ryanair

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

Powered by

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.