Cheapest return flights from London to Istanbul in April from 185€

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

Return flights

07 Apr - 14 Apr British Airways direct
11 Apr - 21 Apr British Airways direct
20 Apr - 02 May British Airways direct
24 Apr - 28 Apr British Airways direct
22 Apr - 12 May British Airways direct
28 Apr - 12 May British Airways direct
23 Apr - 27 Apr British Airways direct
20 Apr - 27 Apr British Airways direct
24 Apr - 27 Apr British Airways direct
17 Apr - 21 Apr Aegean Airlines
16 Apr - 21 Apr Aegean Airlines
15 Apr - 21 Apr Aegean Airlines
18 Apr - 25 Apr British Airways direct
28 Apr - 03 May Air France
28 Apr - 03 May British Airways direct
25 Apr - 03 May LOT
29 Apr - 03 May British Airways direct
25 Apr - 03 May British Airways direct
15 Apr - 30 May Aegean Airlines
30 Apr - 03 May LOT

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Feel free to contact us with any feedback or request another flight research.