AirHint found the following cheapest return flights from Toulouse (TLS) to Istanbul (IST) in May 2026 (see full year).

Return flights

01 May - 07 May	easyJet
05 May - 12 May	Ryanair
14 May - 20 May	Ryanair
09 May - 15 May	easyJet
19 May - 03 Jun	Ryanair
06 May - 18 May	Ryanair
14 May - 19 May	Ryanair
02 May - 18 May	Ryanair
08 May - 19 May	easyJet
15 May - 21 May	Ryanair
08 May - 15 May	easyJet
19 May - 01 Jun	Ryanair
27 May - 01 Jun	Brussels Airlines
29 May - 02 Jun	Brussels Airlines
19 May - 01 Jun	Turkish Airlines	direct
29 May - 02 Jun	Turkish Airlines	direct

Also check the deals for one-way flights from Toulouse to Istanbul in May.

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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Cheapest return flights from Toulouse to Istanbul in May from 167€

Return flights