Cheapest one-way flights from London to Istanbul in April from $93

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

One-Way flights

20 Apr Air Serbia
24 Apr Air Serbia
22 Apr Air Serbia
23 Apr Air Serbia
16 Apr Air Serbia
25 Apr Air Serbia
05 Apr Air Serbia
04 Apr Air Serbia
11 Apr Air Serbia
06 Apr Aegean Airlines

Also check the deals for return 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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