Cheapest return flights from London to Istanbul in April from $282

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

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

Return flights

02 Apr - 09 Apr Lufthansa
01 Apr - 08 Apr Lufthansa
01 Apr - 07 Apr Lufthansa
02 Apr - 07 Apr Lufthansa
29 Apr - 06 May Lufthansa
03 Apr - 09 Apr Lufthansa
23 Apr - 29 Apr Lufthansa
22 Apr - 29 Apr Lufthansa
24 Apr - 29 Apr Lufthansa
03 Apr - 06 May Lufthansa
08 Apr - 11 Apr SWISS
03 Apr - 10 Apr Lufthansa
15 Apr - 15 May Lufthansa
01 Apr - 07 May Lufthansa
23 Apr - 01 May Lufthansa
24 Apr - 01 May Lufthansa
29 Apr - 05 May Lufthansa
30 Apr - 12 May Lufthansa
30 Apr - 07 May Lufthansa
14 Apr - 05 May Lufthansa

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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