Cheapest one-way flights from London to Istanbul in April from 104€

AirHint found the following cheapest one-way flights from London (LHR) to Istanbul (IST) in April 2026 (see full year).

One-Way flights

18 Apr Vueling Airlines
19 Apr Vueling Airlines
15 Apr Vueling Airlines
13 Apr Vueling Airlines
06 Apr Air Serbia
12 Apr Air Serbia
10 Apr Air Serbia
22 Apr Air Serbia
05 Apr Air Serbia
09 Apr Air Serbia

Also check the deals for return flights from London to Istanbul in April.

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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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