Cheapest return flights from London to Istanbul in April from 201€

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

Return flights

17 Apr - 21 Apr Aegean Airlines
01 Apr - 07 Apr British Airways direct
15 Apr - 21 Apr Aegean Airlines
20 Apr - 03 May KLM
23 Apr - 27 Apr Aegean Airlines
09 Apr - 12 Apr KLM
15 Apr - 21 Apr British Airways direct
17 Apr - 21 Apr British Airways direct
01 Apr - 12 Apr Aegean Airlines
18 Apr - 26 Apr Aegean Airlines
14 Apr - 19 Apr Aegean Airlines
29 Apr - 02 May British Airways direct
29 Apr - 08 May British Airways
20 Apr - 03 May British Airways direct
29 Apr - 03 May British Airways direct
30 Apr - 04 May LOT
30 Apr - 04 May Turkish Airlines direct

Also check the deals for one-way 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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