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The Big Island

$307+ Cheap flights from St. Louis (STL) to The Big Island

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from St. Louis to The Big Island

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

Round-trip from

$421
(American Airlines)

One-way from

$307
(Alaska Airlines)

Popular in

July

Cheapest in

April

Average price

$640
From Lambert-St Louis to The Big Island
Search Deals
One-way flight from Lambert-St Louis to The Big Island
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from St. Louis to The Big Island

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

This American Airlines deal was found by Cheapflights users on 8/19. 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.
Sun 11/167:00 amSTL - KOA
1 stop12h 02mAmerican Airlines
Thu 11/206:30 pmKOA - STL
1 stop10h 28mAmerican Airlines
Deal found 8/19$421
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:00 amSTL - KOA
1 stop11h 18mUnited Airlines
Tue 12/98:55 pmKOA - STL
1 stop11h 44mUnited Airlines
Deal found 8/20$438
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Wed 9/39:00 amSTL - KOA
1 stop11h 46mUnited Airlines
Sun 9/711:00 pmKOA - STL
2 stops14h 58mUnited Airlines
Deal found 8/19$447
This Delta deal was found by Cheapflights users on 8/19. 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.
Wed 9/37:35 amSTL - KOA
2 stops14h 59mDelta
Sun 9/79:47 pmKOA - STL
2 stops15h 00mDelta
Deal found 8/19$452
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:17 amSTL - KOA
1 stop14h 18mAmerican Airlines
Tue 12/99:25 pmKOA - STL
1 stop12h 08mAmerican Airlines
Deal found 8/20$461
This Delta deal was found by Cheapflights users on 8/19. 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.
Thu 9/48:46 amSTL - KOA
2 stops15h 14mDelta
Mon 9/159:30 pmKOA - STL
2 stops15h 32mDelta
Deal found 8/19$463
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.
Wed 9/245:18 amSTL - KOA
2 stops13h 24mAmerican Airlines
Wed 10/83:29 pmKOA - STL
2 stops12h 51mAmerican Airlines
Deal found 8/21$472
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 9/226:00 amSTL - ITO
2 stops21h 17mAlaska Airlines
Tue 9/237:00 pmITO - STL
2 stops17h 34mAlaska Airlines
Deal found 8/18$519
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:30 pmSTL - ITO
2 stops32h 47mAlaska Airlines
Wed 10/19:00 pmITO - STL
2 stops15h 34mAlaska Airlines
Deal found 8/20$521
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:33 amSTL - ITO
2 stops20h 46mAlaska Airlines
Thu 10/239:00 pmITO - STL
2 stops13h 01mAlaska Airlines
Deal found 8/20$528
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.
Sun 9/216:30 pmSTL - ITO
2 stops32h 47mAlaska Airlines
Sat 9/277:00 pmITO - STL
2 stops23h 59mAlaska Airlines
Deal found 8/21$558
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:00 amSTL - ITO
2 stops21h 17mAlaska Airlines
Wed 9/247:00 pmITO - STL
2 stops17h 34mAlaska Airlines
Deal found 8/20$562

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to The Big Island 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 St. Louis to The Big Island that are best for you.

Fly from

St. Louis

Fly to

The Big Island

Route

Depart

Return

Price

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 11/16

7:00 am-3:02 pm

1 stop12h 02m

Kona Intl

Thu 11/20

6:30 pm-8:58 am

1 stop10h 28m

$421

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 9/24

5:18 am-1:42 pm

2 stops13h 24m

Kona Intl

Wed 10/8

3:29 pm-9:20 am

2 stops12h 51m

$432

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 10/15

5:20 am-1:58 pm

2 stops13h 38m

Kona Intl

Thu 10/23

3:29 pm-8:53 am

2 stops12h 24m

$472

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 11/17

7:00 am-5:44 pm

1 stop14h 44m

Kona Intl

Wed 11/26

10:05 pm-3:19 pm

1 stop13h 14m

$491

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 9/22

6:30 pm-10:17 pm

2 stops32h 47m

Hilo Intl

Wed 10/1

9:00 pm-5:34 pm

2 stops15h 34m

$521

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Wed 10/15

6:33 am-10:19 pm

2 stops20h 46m

Hilo Intl

Thu 10/23

9:00 pm-3:01 pm

2 stops13h 01m

$528

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Sun 9/21

6:30 pm-10:17 pm

2 stops32h 47m

Hilo Intl

Sat 9/27

7:00 pm-11:59 pm

2 stops23h 59m

$558

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Thu 9/18

6:00 am-10:17 pm

2 stops21h 17m

Hilo Intl

Wed 9/24

7:00 pm-5:34 pm

2 stops17h 34m

$562

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 9/22

6:00 am-5:39 pm

2 stops16h 39m

Hilo Intl

Tue 9/23

7:00 pm-5:34 pm

2 stops17h 34m

$566

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Thu 9/25

6:00 am-5:39 pm

2 stops16h 39m

Hilo Intl

Mon 9/29

7:00 pm-5:34 pm

2 stops17h 34m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 22 results
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Best time to book a flight from St. Louis to The Big Island

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

What is the cheapest month to book a flight from St. Louis to The Big Island?

Currently, October is the cheapest month in which you can book a flight from St. Louis to The Big Island (average of $409). Flying from St. Louis to The Big Island in June is currently the most expensive (average of $624). 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.

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

Find hourly flight availability from St. Louis to The Big Island. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to The Big Island as you normally would.

Reviews of airlines servicing The Big Island

Get insights into the airlines that provide service to The Big Island. 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 The Big Island. Reviews last updated August 21, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from St. Louis to The Big Island have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,245 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,930 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to The Big Island. 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 from for flights from St. Louis to The Big Island?

    If you book a flight to The Big Island from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • How long is the flight from St. Louis to The Big Island?

    Airlines like American Airlines and Alaska Airlines fly from St. Louis to The Big Island in about 12h 02m. The time it takes to get you to your destination can typically vary by up to 20h 45m. The distance between St. Louis and The Big Island is about 4080 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from St. Louis to The Big Island?

    While some choose either Lambert-St Louis - Hilo Intl or Lambert-St Louis - Waimea (Big Island) Waimea Kohala, Lambert-St Louis - Kona Intl is the most popular route from St. Louis to The Big Island.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from St. Louis to The Big Island (average of $409). Flying from St. Louis to The Big Island in June is currently the most expensive (average of $624). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to The Big Island

See prices for flight routes from nearby airports that may be better suited for you.
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Kansas City to Honolulu flights
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St. Louis to Lihue flights
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Springfield to Honolulu flights
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St. Louis to Hilo flights
Kansas City to Hilo flights
Springfield to Kailua-Kona flights
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Springfield to Lihue flights
St. Louis to Kapalua flights
Joplin to Kailua-Kona flights
Springfield to Hilo flights
St. Louis to Hana flights
Kansas City to Hana flights
Kansas City to Waimea (Big Island) flights
Kansas City to Kapalua flights
St. Louis to Waimea (Big Island) flights
Columbia to Lihue flights

Top 5 airlines flying from St. Louis to The Big Island

Discover the top 5 airlines that operate flights from St. Louis to The Big Island. 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$389Average$641FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$394Average$574FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$399Average$656FlexibilityNo cancel feeOn-time75%
DeltaCheapest$422Average$564FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$520Average$773FlexibilityNo cancel feeOn-time63%

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