Cheapest return flights from Southampton to Istanbul in April from $437

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

Return flights

09 Apr - 19 Apr Aer Lingus
01 Apr - 12 Apr easyJet

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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