Cheapest one-way flights from London to Istanbul in April from $123

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

One-Way flights

25 Apr British Airways direct
15 Apr British Airways direct
13 Apr British Airways direct
17 Apr British Airways direct
19 Apr British Airways direct
23 Apr British Airways direct
01 Apr Aegean Airlines
03 Apr Aegean Airlines
01 Apr Turkish Airlines direct
03 Apr Turkish Airlines direct

Also check the deals for return 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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