Cheapest return flights from Southampton to Istanbul in April from 235€

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

Return flights

23 Apr - 29 Apr Aer Lingus
27 Apr - 02 May easyJet
20 Apr - 25 Apr easyJet
19 Apr - 24 Apr Aer Lingus
19 Apr - 25 Apr easyJet
14 Apr - 21 Apr Aer Lingus
20 Apr - 26 Apr easyJet
13 Apr - 20 Apr easyJet
13 Apr - 18 Apr easyJet
12 Apr - 17 Apr easyJet
10 Apr - 11 Apr KLM

Also check the deals for one-way flights from Southampton 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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