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St. Louis

Cheap flights from Kaua'i to St. Louis (STL)

LIH — STL
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
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Find flight deals from Kaua'i to St. Louis

Keep the following information in mind while searching for Kaua'i to St. Louis flight deals. Data was last updated June 25, 2026.

Round-trip from

$676
(United Airlines)

One-way from

$232
(United Airlines)
From Kaua'i to Lambert-St Louis
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One-way flight from Kaua'i to Lambert-St Louis
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Related info for your journey

Find useful and relevant information for your journey from Kaua'i to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Kaua'i?

    For a flight from Kaua'i to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How long is the flight from Kaua'i to St. Louis?

    There are many flights that can get you from Kaua'i to St. Louis in 12h 07m. Fly via United Airlines to get the fastest option. The distance from Kaua'i to St. Louis is about 4171 mi.

  • What are the cheapest airlines to fly from Kaua'i to St. Louis one-way?

    One-way options have recently been found by users for as low as $222 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $251 and Southwest from $260 one-way.

  • Can I find deals for flights from Kaua'i to St. Louis that include hotel bookings?

    Yes. In addition to deals on Kaua'i to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kaua'i to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to St. Louis.

  • Can I find deals for business class flights from Kaua'i to St. Louis?

    Yes. Cheapflights offers flight deals from Kaua'i to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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