Cheapest one-way flights from London to Istanbul in April from 122€

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

One-Way flights

09 Apr Aegean Airlines
08 Apr Aegean Airlines
11 Apr Aegean Airlines
10 Apr Aegean Airlines
27 Apr British Airways direct
11 Apr British Airways direct
25 Apr British Airways direct
10 Apr British Airways direct
26 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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