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St. Louis

$216+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$421
(United Airlines)

One-way from

$216
(United Airlines)
Provider with most accurate pricing for Hilo Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Hilo Intl-Lambert-St Louis flights.
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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 April 11, 2025.

This United Airlines deal was found by Cheapflights users on 4/10. 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 5/611:04 pmKOA - STL
1 stop12h 48mUnited Airlines
Tue 5/276:10 amSTL - KOA
1 stop10h 16mUnited Airlines
Deal found 4/10$421
This Delta deal was found by Cheapflights users on 4/10. 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 5/69:30 pmKOA - STL
2 stops14h 30mDelta
Tue 5/276:00 amSTL - KOA
2 stops18h 10mDelta
Deal found 4/10$454
This American Airlines deal was found by Cheapflights users on 4/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:25 pmKOA - STL
1 stop12h 09mAmerican Airlines
Sun 11/236:15 amSTL - KOA
1 stop12h 49mAmerican Airlines
Deal found 4/9$767
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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.
Sun 11/99:00 pmKOA - STL
2 stops22h 56mAlaska Airlines
Sun 11/237:00 amSTL - KOA
2 stops27h 25mAlaska Airlines
Deal found 4/9$843

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 April 11, 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 5/6

11:04 pm-4:52 pm

1 stop12h 48m

Lambert-St Louis

Tue 5/27

6:10 am-11:26 am

1 stop10h 16m

$421

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Tue 5/6

9:30 pm-5:00 pm

2 stops14h 30m

Lambert-St Louis

Tue 5/27

6:00 am-7:10 pm

2 stops18h 10m

$454

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 6/4

10:15 pm-4:53 pm

2 stops13h 38m

$216

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 6/9

3:25 pm-9:18 am

2 stops12h 53m

$261

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 7/16

12:10 pm-9:18 am

2 stops16h 08m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

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 April 11, 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.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 11, 2025.
Alaska Airlines
8.0
Very good
9,851 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,910 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,851 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $216. American Airlines flights start at $261 while deals on Alaska Airlines start at $346 one-way.

  • 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 The Big Island?

Book flights to The Big Island if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

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