STL - KOA

$269 Find Cheap Flights from St. Louis to Kailua-Kona - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$538
Typical prices: $568-$858
American Airlines
Wed 1/10Sat 1/20
STL - KOA • 1 stop
Cheapest one-way
$269
Typical prices: $260-$412
American Airlines
Thu 12/13
STL - KOA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Kailua-Kona. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
24 weeks
in advance
Our data shows that travelers who book at least 24 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 28% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $564 (round-trip)
Las Vegas Harry Reid Intl (LAS)
Shortest trip • 11h 09m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Kailua-Kona!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Kailua-Kona (STL-KOA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Kailua-Kona

Sun, Jan 10 - Wed, Jan 20
American Airlines Logo
6:01 am - 1:37 pmSTL  Lambert-St Louis-KOA Kona Intl
11h 36m1 stop Los Angeles
American Airlines Logo
9:59 pm - 1:38 pmKOA  Kona Intl-STL Lambert-St Louis
11h 39m1 stop Phoenix Sky Harbor Intl
$538American Airlines
Tue, Jan 19 - Tue, Jan 26
American Airlines Logo
7:57 am - 4:37 pmSTL  Lambert-St Louis-KOA Kona Intl
12h 40m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
9:59 pm - 1:38 pmKOA  Kona Intl-STL Lambert-St Louis
11h 39m1 stop Phoenix Sky Harbor Intl
$538American Airlines
Sun, Jan 24 - Tue, Feb 2
United Airlines Logo
8:52 am - 4:50 pmSTL  Lambert-St Louis-KOA Kona Intl
11h 58m1 stop Denver Intl
United Airlines Logo
8:25 pm - 1:21 pmKOA  Kona Intl-STL Lambert-St Louis
12h 56m1 stop Denver Intl
$538United Airlines
Tue, Jan 19 - Tue, Jan 26
United Airlines Logo
8:52 am - 4:50 pmSTL  Lambert-St Louis-KOA Kona Intl
11h 58m1 stop Denver Intl
United Airlines Logo
3:13 pm - 9:31 amKOA  Kona Intl-STL Lambert-St Louis
14h 18m2 stops San Francisco Houston George Bush Intcntl
$544United Airlines
Tue, Jan 5 - Thu, Jan 14
Delta Logo
7:05 am - 8:00 pmSTL  Lambert-St Louis-KOA Kona Intl
16h 55m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
9:40 pm - 2:38 pmKOA  Kona Intl-STL Lambert-St Louis
12h 58m2 stops Seattle/Tacoma Intl Minneapolis St Paul
$549Delta
Sun, Jan 24 - Tue, Feb 2
Delta Logo
6:10 am - 6:40 pmSTL  Lambert-St Louis-KOA Kona Intl
16h 30m2 stops Minneapolis St Paul Los Angeles
Delta Logo
9:40 pm - 5:54 pmKOA  Kona Intl-STL Lambert-St Louis
16h 14m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson
$549Delta
Thu, Nov 12 - Mon, Nov 16
Southwest Logo
5:40 am - 1:40 pmSTL  Lambert-St Louis-KOA Kona Intl
12h 00m1 stop Las Vegas Harry Reid Intl
Southwest Logo
9:30 pm - 12:00 pmKOA  Kona Intl-STL Lambert-St Louis
10h 30m1 stop Las Vegas Harry Reid Intl
$674Southwest
Thu, Nov 19 - Thu, Nov 26
Multiple Airlines Logo
6:00 am - 4:19 pmSTL  Lambert-St Louis-KOA Kona Intl
14h 19m2 stops Seattle/Tacoma Intl Kahului
Multiple Airlines Logo
11:52 pm - 2:22 pmKOA  Kona Intl-STL Lambert-St Louis
10h 30m1 stop Seattle/Tacoma Intl
$724Multiple Airlines
Sat, Jan 9 - Wed, Jan 20
Multiple Airlines Logo
3:54 pm - 5:22 pmSTL  Lambert-St Louis-KOA Kona Intl
29h 28m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
7:15 pm - 2:56 pmKOA  Kona Intl-STL Lambert-St Louis
15h 41m2 stops Honolulu Seattle/Tacoma Intl
$741Multiple Airlines
Mon, Mar 22 - Mon, Mar 29
Southwest Logo
5:00 am - 2:00 pmSTL  Lambert-St Louis-KOA Kona Intl
14h 00m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl
Southwest Logo
5:55 pm - 11:00 amKOA  Kona Intl-STL Lambert-St Louis
12h 05m2 stops Honolulu Phoenix Sky Harbor Intl
$907Southwest
Booking Insights

Price, demand and travel trends for St. Louis to Kailua-Kona flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Kailua-Kona?

Round-trip flights from St. Louis to Kailua-Kona typically range from $568 to $858. The lowest price found in the past 5 days was $538, on American Airlines.

What's the cheapest day of the week to fly from St. Louis to Kailua-Kona?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from St. Louis to Kailua-Kona. It’s 28% cheaper than the average day, while Sunday is the most expensive, with prices 27% higher.

What’s the cheapest month to fly from St. Louis to Kailua-Kona?

•April is the cheapest month to fly from St. Louis to Kailua-Kona at $514 round-trip.
•June ($1,017) and July ($950) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 97% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Kailua-Kona the cheapest?

Flights from St. Louis to Kailua-Kona are cheapest 24 weeks before departure. Booking in this window typically costs about 18% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for St. Louis to Kailua-Kona flights

Low season

November

Cheapest flight

$269
Beat the crowds with an average 50% drop in travelers.
The most popular month to fly with an average 80% increase in travelers.
One-way flight from St. Louis to Kailua-Kona

When to book flights from St. Louis to Kailua-Kona

Are your dates flexible? Find out the best times to travel from St. Louis to Kailua-Kona based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Kailua-Kona flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Kailua-Kona?

    Two cabin classes are available on flights from St. Louis to Kailua-Kona:

    • Economy Class
    • Business Class

  • How long is a flight from St. Louis to Kailua-Kona?

    A nonstop flight from St. Louis to Kailua-Kona takes 00m, covering 4,080 miles.

  • Do I need a passport to fly from St. Louis to Kailua-Kona?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a St. Louis to Kailua-Kona flight?

    Round-trip flights from St. Louis to Kailua-Kona range from $568 to $858, with an average of $709 over the past 12 months. Anything below $568 counts as a good deal.

  • How expensive are last-minute St. Louis to Kailua-Kona flights?

    Last-minute fares on this route (booked within two weeks of departure) are 5% below the route average of $709. Booking late can sometimes save you money, but inventory is limited.

  • Have flight prices from St. Louis to Kailua-Kona changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $538 to $3,385. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from St. Louis to Kailua-Kona looking right now?

    One-way fares from St. Louis to Kailua-Kona are currently in line with typical prices for this route. Average one-way fares are about $352.

  • What car rental options are available at Kona Intl Airport (KOA)?

    Kona Intl Airport (KOA) hosts 5 major car rental companies, with daily rates averaging $67 for economy cars. Top options include:

    • Dollar
    • Thrifty
    • Budget
    • Hertz
    • Sixt

  • Which airports can I use when flying from St. Louis to Kailua-Kona?

    Flights from St. Louis to Kailua-Kona usually depart from Lambert-St Louis (STL) and arrive at Kona Intl (KOA).

  • Which airports do connecting flights from St. Louis to Kailua-Kona pass through?

    One-stop flights from St. Louis to Kailua-Kona most commonly connect through:

    • Denver Intl (DEN) - 26% of one-stop connections
    • Dallas/Fort Worth (DFW) - 21% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 20% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 18% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Kailua-Kona?

    Yes. Flexible dates can save you up to 44% on flights from St. Louis to Kailua-Kona. Tuesday is the cheapest departure day at $514 round-trip on average, while Sunday is the most expensive at $902, a difference of $388.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from St. Louis to Kailua-Kona?

    Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 11h 09m, compared with 11h 34m via Dallas/Fort Worth (DFW) and 11h 52m via Denver Intl (DEN).

  • What is the time difference between St. Louis and Kailua-Kona?

    Kailua-Kona is 5 hours behind St. Louis (Hawaii-Aleutian Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking St. Louis to Kailua-Kona flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $514, about $388 less than Sunday fares (43% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 18% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Kailua-Kona trip for April. Fares historically average $514 round-trip in that month - typically $503 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from St. Louis to Kailua-Kona

Complete your trip to Kailua-Kona with a hotel stay or car rental

Car rentals in Kailua-Kona
Hotels in Kailua-Kona
Vacations in Kailua-Kona