Find out what a flight from Kauai to Saint Louis might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Lihue and Saint Louis.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports serve Lihue and Saint Louis?

When planning a trip of about 4175 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Lihue: Lihue is the only operational airport in the area.
• Airports in Saint Louis: The only active airport in Saint Louis is Saint Louis - Lambert.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Adjust your flight filters for Kauai – Saint Louis

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from agencies like Expedia, eDreams, and more.

Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.