Cheapest return flights from London to Istanbul in April from 150€

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

Return flights

05 Apr - 26 Apr British Airways direct
11 Apr - 03 May British Airways direct
05 Apr - 22 Apr British Airways direct
07 Apr - 25 Apr British Airways direct
11 Apr - 26 Apr British Airways direct
24 Apr - 11 May British Airways direct
15 Apr - 09 May British Airways direct
21 Apr - 06 May British Airways direct
28 Apr - 18 May British Airways direct
13 Apr - 27 Apr British Airways direct
14 Apr - 29 Apr British Airways direct
17 Apr - 09 May British Airways direct
11 Apr - 25 Apr British Airways direct
13 Apr - 26 Apr British Airways direct
08 Apr - 22 Apr British Airways direct
13 Apr - 25 Apr British Airways direct
29 Apr - 11 May British Airways direct
29 Apr - 09 May British Airways direct
25 Apr - 03 May British Airways direct
26 Apr - 03 May British Airways direct

Also check the deals for one-way 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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