STL - KOA

$262 Find Cheap Flights from St. Louis to Kailua-Kona - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$430
Typical prices: $540-$825
American Airlines
Sat 10/20Tue 10/30
STL - KOA • 2 stops
Cheapest one-way
$262
Typical prices: $260-$405
American Airlines
Thu 2/15
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 19% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 29% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $563 (round-trip)
Las Vegas Harry Reid Intl (LAS)
Shortest trip • 11h 11m (one-way)
Insights
Insights
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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

Mon, Feb 1 - Mon, Feb 1
American Airlines Logo
7:54 am - 4:20 pmSTL  Lambert-St Louis-KOA Kona Intl
12h 26m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
9:59 pm - 12:56 pmKOA  Kona Intl-STL Lambert-St Louis
10h 57m1 stop Phoenix Sky Harbor Intl
$399American Airlines
Mon, Feb 1 - Mon, Feb 1
American Airlines Logo
7:54 am - 4:20 pmSTL  Lambert-St Louis-KOA Kona Intl
12h 26m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
9:59 pm - 4:28 pmKOA  Kona Intl-STL Lambert-St Louis
14h 29m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$404American Airlines
Mon, Feb 1 - Mon, Feb 1
Delta Logo
7:30 am - 3:00 pmSTL  Lambert-St Louis-KOA Kona Intl
11h 30m1 stop Salt Lake City
Delta Logo
9:40 pm - 2:31 pmKOA  Kona Intl-STL Lambert-St Louis
12h 51m2 stops Los Angeles Minneapolis St Paul
$404Delta
Fri, Oct 30 - Tue, Nov 3
Southwest Logo
5:30 am - 12:35 pmSTL  Lambert-St Louis-KOA Kona Intl
12h 05m1 stop Las Vegas Harry Reid Intl
Southwest Logo
7:05 pm - 11:50 amKOA  Kona Intl-STL Lambert-St Louis
12h 45m2 stops Honolulu Los Angeles
$521Southwest
Fri, Oct 30 - Tue, Nov 3
Southwest Logo
5:30 am - 6:10 pmSTL  Lambert-St Louis-KOA Kona Intl
17h 40m2 stops Las Vegas Harry Reid Intl Honolulu
Southwest Logo
7:05 pm - 11:50 amKOA  Kona Intl-STL Lambert-St Louis
12h 45m2 stops Honolulu Los Angeles
$526Southwest
Mon, Dec 14 - Wed, Dec 23
Delta Logo
7:08 am - 3:00 pmSTL  Lambert-St Louis-KOA Kona Intl
11h 52m1 stop Salt Lake City
Delta Logo
10:45 pm - 9:51 pmKOA  Kona Intl-STL Lambert-St Louis
19h 06m2 stops Los Angeles Minneapolis St Paul
$549Delta
Mon, Oct 26 - Thu, Oct 29
United Airlines Logo
8:50 am - 3:39 pmSTL  Lambert-St Louis-KOA Kona Intl
11h 49m1 stop Denver Intl
United Airlines Logo
7:25 pm - 12:38 pmKOA  Kona Intl-STL Lambert-St Louis
12h 13m1 stop Denver Intl
$554United Airlines
Mon, Oct 26 - Thu, Oct 29
United Airlines Logo
8:50 am - 3:39 pmSTL  Lambert-St Louis-KOA Kona Intl
11h 49m1 stop Denver Intl
United Airlines Logo
10:59 pm - 10:26 pmKOA  Kona Intl-STL Lambert-St Louis
18h 27m2 stops San Francisco Houston George Bush Intcntl
$560United Airlines
Tue, Oct 20 - Fri, Oct 30
Multiple Airlines Logo
7:02 am - 9:05 pmSTL  Lambert-St Louis-KOA Kona Intl
19h 03m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
9:53 am - 3:44 pmKOA  Kona Intl-STL Lambert-St Louis
24h 51m2 stops Honolulu Seattle/Tacoma Intl
$560Multiple Airlines
Mon, Oct 26 - Thu, Oct 29
Multiple Airlines Logo
7:02 am - 6:28 pmSTL  Lambert-St Louis-KOA Kona Intl
16h 26m2 stops Seattle/Tacoma Intl Honolulu
Multiple Airlines Logo
5:53 pm - 3:44 pmKOA  Kona Intl-STL Lambert-St Louis
16h 51m2 stops Honolulu Seattle/Tacoma Intl
$619Multiple Airlines
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 from St. Louis to Kailua-Kona 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 start at $430. Prices are below average for this route right now, with typical round-trip fares ranging from $540 to $825. The lowest price found in the past 5 days was $430 on American Airlines.

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

Tuesday is the cheapest day of the week to fly from St. Louis to Kailua-Kona, it is 26% cheaper than the average day. Saturday is the most expensive day with flight prices 20% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from St. Louis to Kailua-Kona at $484 round-trip.
  • June ($981) and July ($950) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 102% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 19% 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

$262
Best time to beat the crowds with an average 29% drop in price.
Most popular time to fly and prices are also 14% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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

  • 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) - 28% of one-stop connections
    • Dallas/Fort Worth (DFW) - 22% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 19% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 16% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 39% on the St. Louis to Kailua-Kona route. Tuesday is the cheapest departure day at $514 round-trip on average, while Saturday is the most expensive at $830, a difference of $316. 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 expensive are last-minute St. Louis to Kailua-Kona flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 1% below the route average of $686. Booking late can sometimes save money on this route, but inventory is limited.

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

    A nonstop flight from St. Louis to Kailua-Kona takes 0h 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.

  • 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 $399 to $2,211. 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 higher than usual. Average one-way flight prices are about $430, which is 30% above the typical average for this route.

  • 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 11m, compared with 11h 33m via Dallas/Fort Worth (DFW) and 11h 49m 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.

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

    Kona Intl Airport (KOA) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
    • Dollar
    • Thrifty
    • Budget
    • Hertz
    • Sixt

  • 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 $540 to $825, with an average of $686 over the past 12 months. Anything below $540 counts as a good deal.

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 can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $514 - about $316 less than Saturday (38% 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 19% 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 November. Fares historically average $484 round-trip in that month - typically $497 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

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