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The Big Island

$211+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$421
(Southwest)

One-way from

$211
(Southwest)

Popular in

July

Cheapest in

February

Average price

$786
From Lambert-St Louis to The Big Island
Search Deals
One-way flight from Lambert-St Louis to The Big Island
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Highest demand for flights based on searches. 17% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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 11/166:15 amSTL - KOA
1 stop12h 49mAmerican Airlines
Thu 11/206:30 pmKOA - STL
1 stop13h 14mAmerican Airlines
Deal found 7/3$421
This Southwest deal was found by Cheapflights users on 7/1. 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 8/196:45 amSTL - KOA
1 stop10h 25mSouthwest
Tue 8/268:30 pmKOA - STL
2 stops16h 10mSouthwest
Deal found 7/1$426
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 9/243:35 pmSTL - KOA
2 stops19h 58mAlaska Airlines
Wed 10/88:00 amKOA - STL
1 stop10h 59mAlaska Airlines
Deal found 7/3$448
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 9/236:00 amSTL - ITO
2 stops16h 39mAlaska Airlines
Thu 9/257:00 pmITO - STL
2 stops17h 34mAlaska Airlines
Deal found 7/2$476
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/156:00 amSTL - KOA
1 stop10h 31mUnited Airlines
Fri 7/181:10 pmKOA - STL
1 stop10h 44mUnited Airlines
Deal found 7/1$529
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sun 9/219:00 amSTL - ITO
3 stops37h 39mUnited Airlines
Sat 9/277:47 amITO - STL
2 stops51h 58mUnited Airlines
Deal found 7/1$1,106

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 July 3, 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

Tue 8/19

6:45 am-12:10 pm

1 stop10h 25m

Kona Intl

Tue 8/26

8:30 pm-3:00 pm

1 stop13h 30m

$421

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 8/19

6:45 am-1:29 pm

1 stop11h 44m

Kona Intl

Tue 8/26

2:59 pm-9:00 am

2 stops13h 01m

$427

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 9/24

3:35 pm-6:33 am

2 stops19h 58m

Kona Intl

Wed 10/8

8:00 am-11:59 pm

1 stop10h 59m

$448

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 9/23

6:00 am-5:39 pm

2 stops16h 39m

Hilo Intl

Thu 9/25

7:00 pm-2:41 pm

2 stops14h 41m

$476

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 7/15

6:00 am-11:31 am

1 stop10h 31m

Kona Intl

Fri 7/18

1:10 pm-4:54 am

1 stop10h 44m

$529

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Sun 9/21

9:00 am-5:39 pm

3 stops37h 39m

Hilo Intl

Sat 9/27

7:47 am-4:45 pm

2 stops51h 58m

$1,106

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 9/30

6:45 am-12:10 pm

1 stop10h 25m

$211

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 9/30

5:18 am-1:42 pm

2 stops13h 24m

$216

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 8/3

6:14 am-10:04 pm

2 stops44h 50m

$290

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 7/29

7:00 am-7:00 pm

2 stops17h 00m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 results
1
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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 July 3, 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 July 3, 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

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from St. Louis to The Big Island one-way?

    $211 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $216 and $290, respectively.

  • 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

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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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Top 4 airlines flying from St. Louis to The Big Island

Discover the top 4 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$389Average$591FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$389Average$660FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$392Average$559FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$576Average$773FlexibilityNo cancel feeOn-time63%

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