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$211+ Cheap flights from The Big Island to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from The Big Island to St. Louis

Keep the following information in mind while searching for The Big Island to St. Louis flight deals. Data was last updated August 21, 2025.

Round-trip from

$533
(Southwest)

One-way from

$211
(American Airlines)
From The Big Island to Lambert-St Louis
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One-way flight from The Big Island to Lambert-St Louis
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Find flight deals from The Big Island to St. Louis

Cheapest flights from The Big Island to St. Louis
Explore the most affordable flight options available from The Big Island to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/21. 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.
Mon 8/2511:00 pmKOA - STL
1 stop12h 53mUnited Airlines
Fri 9/59:00 amSTL - KOA
1 stop11h 46mUnited Airlines
Deal found 8/21$508
This Delta deal was found by Cheapflights users on 8/20. 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.
Sun 8/249:47 pmKOA - STL
2 stops15h 00mDelta
Thu 9/46:00 amSTL - KOA
2 stops18h 00mDelta
Deal found 8/20$510
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:30 pmKOA - STL
1 stop11h 50mSouthwest
Mon 11/105:25 amSTL - KOA
1 stop12h 15mSouthwest
Deal found 8/21$533
This Delta deal was found by Cheapflights users on 8/20. 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.
Tue 8/269:47 pmKOA - STL
2 stops15h 00mDelta
Sat 9/68:46 amSTL - KOA
2 stops15h 14mDelta
Deal found 8/20$544
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:40 pmKOA - STL
1 stop21h 36mAmerican Airlines
Fri 9/56:20 amSTL - KOA
1 stop12h 22mAmerican Airlines
Deal found 8/21$566
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 9/238:00 amKOA - STL
1 stop28h 34mAlaska Airlines
Thu 10/26:30 pmSTL - KOA
2 stops22h 58mAlaska Airlines
Deal found 8/21$580

Cheapflights Fare Finder

 
Customize your flight search to find flights from The Big Island 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 August 21, 2025.
Use the filters below to find and compare flights from The Big Island to St. Louis that are best for you.

Fly from

The Big Island

Fly to

St. Louis

Route

Depart

Return

Price

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 10/14

8:30 pm-1:20 pm

1 stop11h 50m

Lambert-St Louis

Mon 11/10

5:25 am-1:40 pm

1 stop12h 15m

$533

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 9/23

11:47 am-5:34 pm

1 stop24h 47m

Lambert-St Louis

Thu 10/2

3:35 pm-12:28 pm

2 stops25h 53m

$580

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 2/3

10:28 pm-1:42 pm

1 stop11h 14m

$211

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Tue 9/30

9:00 pm-5:34 pm

2 stops15h 34m

$238

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Tue 9/30

9:00 pm-9:06 am

3 stops55h 06m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Best time to book a flight from The Big Island to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from The Big Island 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 The Big Island to St. Louis

What is the cheapest time of day to fly from FUI to STL?

Find hourly flight availability from The Big Island to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from The Big Island to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 21, 2025.
Read reviews from past customers who have flown United Airlines from The Big Island to St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,934 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,934 reviews
United Airlines
7.4
Good
8,934 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from The Big Island 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 The Big Island?

    For a flight from The Big Island 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 The Big Island to St. Louis?

    For as low as $533, Southwest can have you in St. Louis from The Big Island in 11h 50m. The Big Island and St. Louis are separated by a distance of 4080 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from The Big Island to St. Louis that include hotel bookings?

    Yes. In addition to deals on The Big Island to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from The Big Island to St. Louis?

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

  • Can I find deals for business class flights from The Big Island to St. Louis?

    Yes. Cheapflights offers flight deals from The Big Island 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 The Big Island to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from The Big Island to St. Louis (average of $311). Flying from The Big Island 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 St. Louis?

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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from The Big Island to St. Louis

Discover the top airline that operate flights from The Big Island to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$529Average$678FlexibilityNo cancel feeOn-time69%

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