Cheapest return flights from London to Istanbul in May from $429

AirHint found the following cheapest return flights from London (STN) to Istanbul (IST) in May 2026 (see full year).

Return flights

19 May - 21 May Ryanair
20 May - 21 May Ryanair
17 May - 22 May Ryanair
18 May - 22 May Ryanair
10 May - 19 May Ryanair
07 May - 10 May Ryanair
15 May - 21 May Ryanair
02 May - 04 May Ryanair
09 May - 16 May Ryanair
05 May - 10 May Ryanair

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

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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