When is the cheapest time of year to fly from Saint Louis to Kauai Island?

Based on statistics over the past years, the lowest prices for flights from Saint Louis to Kauai Island can be found flying in these months: .

Cheap Flights from Saint Louis to Kauai Island

Cheapest flights from Saint Louis to Kauai Island

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Saint Louis to Kauai Island. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$152

Southwest Airlines

1 layover

12h 15m

12/25/2025

The cheapest one-way flight from Saint Louis to Kauai Island departs on 12/25/2025, is operated by Southwest Airlines and costs $152

Cheapest round trip flight

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There is no information about the cheapest roundtrip flight from Saint Louis to Kauai Island

The fastest flight

12h 4m

Fastest flight from Saint Louis to Kauai Island takes 12h 4m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

6735km

Timezone difference

4h

The distance between Saint Louis and Kauai Island is 6735km (4176 miles). The time difference between Saint Louis and Kauai Island is 4h

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Saint Louis to Kauai Island by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Saint Louis to Kauai Island

Avg Price

Airlines operating on route

The route Saint Louis — Kauai Island is served by several airlines: Southwest Airlines and United Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $152 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.

Southwest Airlines

starting at $152

United Airlines

starting at $208

Non-stop flights from Saint Louis to Kauai Island

A non-stop flight is the most convenient and comfortable way to fly from Saint Louis to Kauai Island, despite the fact that sometimes flights with transfers can cost significantly less.

There appear to be no non-stop flights from Saint Louis to Kauai Island at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from Saint Louis to Kauai Island

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Saint Louis to Kauai Island:

Unable to find information about the schedule of direct flights from

Saint Louis airports overview

Lambert-St. Louis International Airport

•

STL

20km

Serving St. Louis, Missouri, and the surrounding metro area, it handles domestic and limited international flights with major carriers, a compact terminal, and convenient access to downtown.

Spirit of St. Louis Airport

•

SUS

20km

Serving the St. Louis metro in western St. Louis County, Missouri, primarily a reliever and general aviation field with FBO services, hangars and private-charter operations.

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Kauai Island airports overview

Lihue Airport

•

LIH

3km

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Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Saint Louis to Kauai Island?

The cheapest flight ticket from Saint Louis to Kauai Island according to data for the last 48 hours costs $152

When is the best time to buy air tickets on the route Saint Louis — Kauai Island?

Often the best time to buy tickets from Saint Louis to Kauai Island is 2 months before departure.

How long does it take to fly from Saint Louis to Kauai Island?

The fastest flights from Saint Louis to Kauai Island start from 12 hours 4 minutes in the air.

Which airline can fly direct from Saint Louis to Kauai Island?

The following airlines operate direct flights on the route Saint Louis — Kauai Island:

Special offers and sales on air tickets from Saint Louis to Kauai Island

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Saint Louis to Kauai Island

Alternative routes

Nashville ➜ Kauai Island•Burlington ➜ Kauai Island•Chicago ➜ Kauai Island•Cedar Rapids ➜ Kauai Island•Champaign ➜ Kauai Island•Evansville ➜ Kauai Island•Indianapolis ➜ Kauai Island•Memphis ➜ Kauai Island•Saint Louis ➜ Concord•Saint Louis ➜ Honolulu•Saint Louis ➜ Berkeley•Saint Louis ➜ Redding•Saint Louis ➜ Sacramento•Saint Louis ➜ San Francisco•Saint Louis ➜ San Jose•Saint Louis ➜ Santa Maria•Saint Louis ➜ Santa Rosa

•••••••••••••••••••

Cheapest one way flight

$152

Southwest Airlines

1 layover

12h 15m

12/25/2025

The cheapest one-way flight from Saint Louis to Kauai Island departs on 12/25/2025, is operated by Southwest Airlines and costs $152

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Saint Louis to Kauai Island

The fastest flight