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St. Louis

$584+ Cheap flights from Kaua'i to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — STL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap 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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$584
(Delta)
Provider with most accurate pricing for Lihue-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lihue-Lambert-St Louis flights.
Search Deals
From Kaua'i to Lambert-St Louis
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Find flight deals from Kaua'i to St. Louis

Cheapest flights from Kaua'i to St. Louis
Explore the most affordable flight options available from Kaua'i to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:00 pmLIH - STL
2 stops13h 46mDelta
Tue 5/66:00 amSTL - LIH
2 stops17h 44mDelta
Deal found 4/17$584
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:40 pmLIH - STL
2 stops15h 07mUnited Airlines
Tue 5/68:48 amSTL - LIH
1 stop11h 58mUnited Airlines
Deal found 4/17$614
This Alaska Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:32 pmLIH - STL
1 stop10h 36mAlaska Airlines
Tue 5/66:30 amSTL - LIH
1 stop20h 02mAlaska Airlines
Deal found 4/17$718

Cheapflights Fare Finder

Customize your flight search to find flights from Kaua'i to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Kaua'i to St. Louis that are best for you.

Fly from

Kaua'i

Fly to

St. Louis

Route

Depart

Return

Price

LihueSt. Louis

LIH - STL

LIHSTL

Lihue

Fri 5/2

10:00 pm-4:46 pm

2 stops13h 46m

Lambert-St Louis

Tue 5/6

6:00 am-6:44 pm

2 stops17h 44m

$584

LihueSt. Louis

LIH - STL

LIHSTL

Lihue

Fri 5/2

7:40 pm-3:47 pm

2 stops15h 07m

Lambert-St Louis

Tue 5/6

8:48 am-3:46 pm

1 stop11h 58m

$614

LihueSt. Louis

LIH - STL

LIHSTL

Lihue

Fri 5/2

10:32 pm-2:08 pm

1 stop10h 36m

Lambert-St Louis

Tue 5/6

6:30 am-9:32 pm

1 stop20h 02m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Best time to book a flight from Kaua'i to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kaua'i with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kaua'i to St. Louis

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 17, 2025.
Alaska Airlines
8.0
Very good
9,882 reviews

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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.

  • What is the cheapest month to book a flight from Kaua'i to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Kaua'i to St. Louis (average of $311). Flying from Kaua'i to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kaua'i?

Book flights to Kaua'i if you plan to visit one of these locations
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Maryland Heights
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Collinsville
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