Cheap flights from St Louis to Kauai Island

Compare flight prices from St Louis to Kauai Island across airlines and travel sites, see the cheapest month and day to fly, then book direct with the seller.

Lowest fare$494
Cheapest monthDecember 2026
Typical flight time11h 41m
Direct flightsNo

Lowest fare by month

–November 2026
$494December 2026
–January 2027
–February 2027
–March 2027
–April 2027

Airlines on this route

Frequently asked questions

What is the cheapest month to fly from St Louis to Kauai Island?

December 2026 has had the lowest recent fares, from $494 one way.

How long is the flight from St Louis to Kauai Island?

A typical flight takes about 11h 41m.

Are there direct flights from St Louis to Kauai Island?

No direct flights were found recently. Most trips include a stop.

Where do I book my ticket?

AirTriply compares fares from airlines and travel agencies. When you choose a deal, you book on the seller's own website.

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