HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$211+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — STL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from The Big Island to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$427
(American Airlines)

One-way from

$211
(United Airlines)
Provider with most accurate pricing for Hilo Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hilo Intl-Lambert-St Louis flights.
Search Deals
From The Big Island to Lambert-St Louis
Search Deals
One-way flight from The Big Island to Lambert-St Louis
Search Deals

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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 8/252:59 pmKOA - STL
2 stops13h 16mAmerican Airlines
Fri 9/57:00 amSTL - KOA
1 stop10h 13mAmerican Airlines
Deal found 4/30$427
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/181:05 pmKOA - STL
1 stop10h 58mUnited Airlines
Mon 6/236:10 amSTL - KOA
1 stop10h 21mUnited Airlines
Deal found 4/30$689
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 8/203:50 pmITO - STL
2 stops20h 44mAlaska Airlines
Thu 9/43:35 pmSTL - ITO
2 stops21h 32mAlaska Airlines
Deal found 4/29$850
This Delta deal was found by Cheapflights users on 4/30. 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 6/159:40 pmKOA - STL
2 stops15h 39mDelta
Fri 6/206:30 amSTL - KOA
2 stops17h 29mDelta
Deal found 4/30$854
This Southwest deal was found by Cheapflights users on 4/30. 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.
Wed 6/188:20 pmKOA - STL
2 stops13h 15mSouthwest
Mon 6/235:45 amSTL - KOA
2 stops17h 10mSouthwest
Deal found 4/30$899

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 May 1, 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

Mon 8/25

2:59 pm-9:15 am

2 stops13h 16m

Lambert-St Louis

Fri 9/5

7:00 am-12:13 pm

1 stop10h 13m

$427

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 6/18

1:05 pm-5:03 am

1 stop10h 58m

Lambert-St Louis

Mon 6/23

6:10 am-11:31 am

1 stop10h 21m

$689

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Wed 8/20

3:50 pm-5:34 pm

2 stops20h 44m

Lambert-St Louis

Thu 9/4

3:35 pm-8:07 am

2 stops21h 32m

$850

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sun 6/15

9:40 pm-6:19 pm

2 stops15h 39m

Lambert-St Louis

Fri 6/20

6:30 am-6:59 pm

2 stops17h 29m

$854

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 6/18

8:20 pm-2:35 pm

2 stops13h 15m

Lambert-St Louis

Mon 6/23

5:45 am-5:55 pm

2 stops17h 10m

$899

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Fri 6/6

1:05 pm-5:03 am

1 stop10h 58m

$211

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Mon 8/18

9:45 pm-6:03 pm

2 stops15h 18m

$216

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Wed 5/7

8:00 am-11:59 pm

1 stop10h 59m

$271

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sat 5/24

9:10 pm-11:58 pm

1 stop21h 48m

$274

Kailua-KonaSt. Louis

KOA - STL

KOASTL

Kona Intl

Sun 6/8

8:20 pm-12:30 pm

1 stop11h 10m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 11 results
1
2

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 May 1, 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 May 1, 2025.
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

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 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 $211. Delta flights start at $216 while deals on Alaska Airlines start at $271 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
O'Fallon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.