Cheapest one-way flights from London to Istanbul in April from 121€

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

One-Way flights

14 Apr Aegean Airlines
13 Apr British Airways direct
20 Apr British Airways direct
07 Apr Aegean Airlines
16 Apr Aegean Airlines
23 Apr Aegean Airlines
14 Apr British Airways direct
07 Apr British Airways direct
16 Apr British Airways direct
01 Apr Aegean Airlines

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

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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