Cheapest return flights from London to Istanbul in April from 187€

Best time to book flights for London (LHR) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Istanbul (IST) in April 2025 (see full year).

Return flights

20 Apr - 10 May British Airways direct
02 Apr - 05 Apr Aegean Airlines
01 Apr - 05 Apr Aegean Airlines
15 Apr - 30 Apr Air France
30 Apr - 07 May Turkish Airlines direct
29 Apr - 15 May Turkish Airlines direct
25 Apr - 03 May British Airways direct
30 Apr - 14 May Turkish Airlines direct
21 Apr - 01 May British Airways direct
20 Apr - 01 May British Airways direct
21 Apr - 03 May British Airways direct
26 Apr - 03 May British Airways direct
27 Apr - 16 May British Airways direct
22 Apr - 30 Apr Air France
10 Apr - 30 Apr Air France
10 Apr - 12 Apr Air France
22 Apr - 28 Apr Turkish Airlines direct
22 Apr - 29 Apr Air France
23 Apr - 28 Apr Turkish Airlines direct
23 Apr - 30 Apr Air France

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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