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The Big Island

$230+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KOA
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
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 October 10, 2025.

This KAYAK deal was found by Cheapflights users on 10/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:00 amSTL - KOA
1 stop14h 44mAlaska Airlines
Thu 11/206:00 amKOA - STL
2 stops13h 59mAlaska Airlines
Deal found 10/8$427
This American Airlines deal was found by Cheapflights users on 10/8. 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 11/167:21 amSTL - KOA
1 stop13h 26mAmerican Airlines
Thu 11/209:35 pmKOA - STL
1 stop12h 05mAmerican Airlines
Deal found 10/8$441
This Delta deal was found by Cheapflights users on 10/8. 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 11/116:00 amSTL - KOA
2 stops16h 13mDelta
Thu 11/209:30 pmKOA - STL
2 stops14h 37mDelta
Deal found 10/8$443
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/37:00 amSTL - KOA
2 stops18h 40mAlaska Airlines
Fri 11/149:20 pmKOA - STL
1 stop13h 58mAlaska Airlines
Deal found 10/8$446
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/117:00 amSTL - KOA
1 stop14h 44mAlaska Airlines
Mon 11/179:00 pmKOA - STL
2 stops14h 18mAlaska Airlines
Deal found 10/8$449
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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 11/167:00 amSTL - KOA
2 stops16h 17mAlaska Airlines
Thu 11/206:00 amKOA - STL
2 stops13h 59mAlaska Airlines
Deal found 10/7$452
This Delta deal was found by Cheapflights users on 10/8. 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 11/56:00 amSTL - KOA
2 stops16h 30mDelta
Wed 11/128:30 pmKOA - STL
2 stops16h 19mDelta
Deal found 10/8$453
This Delta deal was found by Cheapflights users on 10/9. 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 11/48:53 amSTL - KOA
2 stops15h 00mDelta
Tue 11/118:30 pmKOA - STL
2 stops13h 01mDelta
Deal found 10/9$462
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/47:00 amSTL - KOA
1 stop18h 40mAlaska Airlines
Wed 11/129:20 pmKOA - STL
1 stop13h 58mAlaska Airlines
Deal found 10/8$472
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/287:00 amSTL - ITO
2 stops20h 26mAlaska Airlines
Wed 10/299:00 pmITO - STL
2 stops21h 59mAlaska Airlines
Deal found 10/6$511
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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 11/237:00 amSTL - ITO
2 stops38h 27mAlaska Airlines
Sat 12/67:44 pmITO - STL
2 stops14h 43mAlaska Airlines
Deal found 10/7$873
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 10/246:33 amSTL - ITO
2 stops20h 46mAlaska Airlines
Tue 10/287:25 pmITO - STL
2 stops14h 53mAlaska Airlines
Deal found 10/9$878

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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$421
(KAYAK)

One-way from

$234
(Alaska Airlines)

Popular in

July

Cheapest in

September

Average price

$516
Provider with most accurate pricing for Lambert-St Louis-Kona Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Kona Intl flights.
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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. 16% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
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 October 2025
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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 October 10, 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

6:25 pm-10:39 am

1 stop12h 14m

$441

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 11/3

7:00 am-9:40 pm

2 stops18h 40m

Kona Intl

Fri 11/14

9:20 pm-3:18 pm

1 stop13h 58m

$446

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 11/16

6:00 am-6:13 pm

2 stops16h 13m

Kona Intl

Thu 11/20

9:30 pm-4:07 pm

2 stops14h 37m

$452

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 11/16

7:00 am-7:17 pm

2 stops16h 17m

Kona Intl

Thu 11/20

6:00 am-11:59 pm

2 stops13h 59m

$452

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 11/4

8:53 am-7:53 pm

2 stops15h 00m

Kona Intl

Tue 11/11

8:30 pm-1:31 pm

2 stops13h 01m

$462

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 10/31

6:00 am-7:23 pm

2 stops18h 23m

Kona Intl

Fri 11/7

9:30 pm-4:10 pm

2 stops14h 40m

$472

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 10/28

7:00 am-10:26 pm

2 stops20h 26m

Hilo Intl

Wed 10/29

9:00 pm-11:59 pm

2 stops21h 59m

$511

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Sun 11/23

7:00 am-5:27 pm

2 stops38h 27m

Hilo Intl

Sat 12/6

7:44 pm-2:27 pm

2 stops14h 43m

$873

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Fri 10/24

6:33 am-10:19 pm

2 stops20h 46m

Hilo Intl

Tue 10/28

7:25 pm-3:18 pm

2 stops14h 53m

$878

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Wed 10/22

6:33 am-5:49 pm

2 stops16h 16m

Hilo Intl

Sun 10/26

6:26 pm-11:59 pm

2 stops24h 33m

$1,204

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 17 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 October 10, 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 October 10, 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
11,050 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
11,050 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
4,237 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
8.0
Very good
7,969 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
8,968 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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
11,043 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

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 American Airlines, Alaska Airlines, and Delta 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 6h 38m. 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 cheapest airlines to fly from St. Louis to The Big Island one-way?

    $241 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $246 and $286, 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 $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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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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$399Average$644FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$399Average$585FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$409Average$620FlexibilityNo cancel feeOn-time75%
DeltaCheapest$422Average$564FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$481Average$754FlexibilityNo cancel feeOn-time63%

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