Cheapest return flights from Omaha to Sihanoukville in April from $1527

AirHint found the following cheapest return flights from Omaha (OMA) to Sihanoukville (KOS) in April 2026 (see full year).

Return flights

24 Apr - 01 May Alaska Airlines

Also check the deals for one-way flights from Omaha to Sihanoukville in April.

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