AirHint found the following cheapest return flights from London (LTN) to San Jose (SJO) in May 2026 (see full year).

Return flights

15 May - 23 May	Wizz Air UK
14 May - 24 May	Wizz Air UK
06 May - 19 May	Wizz Air UK
17 May - 26 May	Wizz Air UK
06 May - 16 May	Wizz Air UK
16 May - 30 May	Wizz Air UK
21 May - 28 May	Wizz Air UK
02 May - 16 May	Wizz Air UK
15 May - 29 May	easyJet
11 May - 18 May	Wizz Air UK
20 May - 05 Jun	Wizz Air UK
27 May - 01 Jun	Wizz Air UK
22 May - 05 Jun	Wizz Air Malta
23 May - 02 Jun	easyJet
24 May - 06 Jun	Wizz Air Malta
23 May - 06 Jun	easyJet
20 May - 02 Jun	Wizz Air UK

Also check the deals for one-way flights from London to San Jose in May.

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 Jose

Cheap car rent in San Jose

Cheapest return flights from London to San Jose in May from $638

Return flights