Cheapest return flights from Rotterdam to Kos in April from 347€

AirHint found the following cheapest return flights from Rotterdam (RTM) to Kos (KGS) in April 2026 (see full year).

Return flights

28 Apr - 05 May transavia
27 Apr - 04 May transavia
27 Apr - 04 May transavia direct

Also check the deals for one-way flights from Rotterdam to Kos in April.

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