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The Big Island

$253+ 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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/5. 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 12/308:30 pmKOA - STL
2 stops15h 57mUnited Airlines
Deal found 11/5$489
This Delta deal was found by Cheapflights users on 11/6. 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 11/166:00 amSTL - KOA
2 stops16h 13mDelta
Thu 11/209:30 pmKOA - STL
2 stops17h 27mDelta
Deal found 11/6$568
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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.
Sat 12/67:00 amSTL - ITO
2 stops19h 36mAlaska Airlines
Wed 12/108:30 pmITO - STL
2 stops23h 29mAlaska Airlines
Deal found 11/6$581
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/206:25 pmKOA - STL
1 stop10h 31mAmerican Airlines
Deal found 11/6$607
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/27:00 amSTL - KOA
1 stop12h 24mAmerican Airlines
Tue 12/306:30 pmKOA - STL
1 stop10h 26mAmerican Airlines
Deal found 11/6$624
This Southwest deal was found by Cheapflights users on 11/5. 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 12/25:00 amSTL - KOA
1 stop12h 40mSouthwest
Tue 12/309:15 pmKOA - STL
1 stop10h 40mSouthwest
Deal found 11/5$723
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/37:00 amSTL - ITO
2 stops18h 16mAlaska Airlines
Wed 12/108:30 pmITO - STL
2 stops23h 29mAlaska Airlines
Deal found 11/5$775
This Southwest deal was found by Cheapflights users on 11/6. 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.
Thu 11/205:00 amSTL - KOA
1 stop12h 40mSouthwest
Sun 11/309:15 pmKOA - STL
2 stops12h 45mSouthwest
Deal found 11/6$1,083
This Delta deal was found by Cheapflights users on 11/6. 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 11/216:34 amSTL - KOA
2 stops16h 51mDelta
Tue 11/259:30 pmKOA - STL
2 stops17h 27mDelta
Deal found 11/6$1,099
This Delta deal was found by Cheapflights users on 11/6. 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 11/216:40 amSTL - ITO
2 stops17h 48mDelta
Tue 11/255:59 pmITO - STL
2 stops15h 32mDelta
Deal found 11/6$1,532
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/237:00 amSTL - ITO
2 stops16h 59mAlaska Airlines
Tue 12/307:44 pmITO - STL
2 stops16h 42mAlaska Airlines
Deal found 11/4$1,646
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/238:00 amSTL - ITO
2 stops17h 15mAmerican Airlines
Tue 12/304:40 pmITO - STL
2 stops14h 10mAmerican Airlines
Deal found 11/5$1,789

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$374
(Delta)

One-way from

$253
(Delta)

Popular in

July

Cheapest in

September

Average price

$556
Provider with most accurate pricing for Lambert-St Louis-Kona Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Kona Intl flights.
Search Deals
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. 17% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 6, 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

Fri 1/9

7:00 am-6:47 pm

2 stops15h 47m

Kona Intl

Fri 1/23

8:45 pm-4:04 pm

2 stops15h 19m

$374

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 1/9

7:00 am-6:47 pm

2 stops15h 47m

Kona Intl

Sun 1/25

8:45 pm-2:38 pm

2 stops13h 53m

$394

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 2/2

7:00 am-3:51 pm

1 stop12h 51m

Kona Intl

Mon 2/9

7:55 pm-2:48 pm

1 stop14h 53m

$445

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 2/2

7:00 am-3:51 pm

1 stop12h 51m

Kona Intl

Tue 2/10

9:42 pm-2:48 pm

2 stops13h 06m

$450

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 2/2

2:50 pm-5:57 pm

2 stops31h 07m

Kona Intl

Thu 2/12

7:55 pm-11:56 pm

2 stops24h 01m

$456

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

2:50 pm-5:57 pm

2 stops31h 07m

Kona Intl

Tue 2/17

1:42 pm-1:52 pm

2 stops20h 10m

$456

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 2/2

2:50 pm-12:31 pm

2 stops25h 41m

Kona Intl

Wed 2/11

9:10 pm-1:52 pm

1 stop12h 42m

$461

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

2:50 pm-12:31 pm

2 stops25h 41m

Kona Intl

Wed 2/11

9:10 pm-1:52 pm

1 stop12h 42m

$461

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 2/4

2:50 pm-9:30 pm

1 stop34h 40m

Kona Intl

Wed 2/11

9:10 pm-1:52 pm

1 stop12h 42m

$464

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Sun 2/1

2:50 pm-4:13 pm

2 stops29h 23m

Hilo Intl

Sat 2/7

6:00 am-1:54 pm

2 stops27h 54m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 20 results
1
2

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 $274). Flying from St. Louis to The Big Island in July is currently the most expensive (average of $633). 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 November 6, 2025.

When flying from St. Louis to The Big Island, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 32% versus a flight in the afternoon.

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 November 6, 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
11,247 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,247 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,001 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,007 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,040 reviews
Alaska Airlines
8.0
Very good
11,247 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 Delta and Alaska Airlines fly from St. Louis to The Big Island in about 15h 47m. The time it takes to get you to your destination can typically vary by up to 13h 36m. 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 $274). Flying from St. Louis to The Big Island in July is currently the most expensive (average of $633). 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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Kansas City to Waimea (Big Island) flights
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St. Louis to Waimea (Big Island) 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$401Average$655FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$403Average$583FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$421Average$626FlexibilityNo cancel feeOn-time75%
DeltaCheapest$422Average$564FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$481Average$934FlexibilityNo cancel feeOn-time63%

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