Cheapest return flights from London to Istanbul in April from $196

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

Return flights

18 Apr - 25 Apr British Airways direct
15 Apr - 18 Apr British Airways direct
12 Apr - 02 May British Airways direct
23 Apr - 27 Apr British Airways direct
14 Apr - 22 Apr British Airways direct
12 Apr - 20 Apr British Airways direct
13 Apr - 20 Apr British Airways direct
24 Apr - 26 Apr British Airways direct
07 Apr - 08 May Aegean Airlines
19 Apr - 24 Apr British Airways direct
23 Apr - 26 Apr British Airways direct
02 Apr - 06 Apr Aegean Airlines
30 Apr - 05 May Lufthansa
15 Apr - 30 May LOT
07 Apr - 30 May LOT
30 Apr - 05 May Turkish Airlines direct
30 Apr - 04 May Lufthansa
15 Apr - 30 May British Airways direct
07 Apr - 08 May Turkish Airlines direct
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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