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Cheap flights from St. Louis to The Big Island from $205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to The Big Island departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to The Big Island

Cheap round-trip flights

American Airlines Logo
5:17 am - 3:02 pmSTL-KOA
13h 45m2 stops
American Airlines Logo
6:30 pm - 10:37 amKOA-STL
12h 07m1 stop
$409American Airlines
Find Deal
Sun, Nov 16 - Thu, Nov 20
American Airlines Logo
5:17 am - 3:02 pmSTL-KOA
13h 45m2 stops
American Airlines Logo
4:32 pm - 10:37 amKOA-STL
14h 05m2 stops
$414American Airlines
Find Deal
Sun, Nov 16 - Thu, Nov 20
American Airlines Logo
7:09 am - 7:27 pmSTL-KOA
16h 18m2 stops
American Airlines Logo
10:28 pm - 1:42 pmKOA-STL
11h 14m1 stop
$415American Airlines
Find Deal
Tue, Jan 13 - Tue, Jan 20
Alaska Airlines Logo
6:00 am - 5:43 pmSTL-KOA
16h 43m2 stops
Alaska Airlines Logo
8:00 am - 11:59 pmKOA-STL
10h 59m1 stop
$420Alaska Airlines
Find Deal
Wed, Sep 3 - Thu, Sep 11
Alaska Airlines Logo
6:00 am - 4:44 pmSTL-KOA
15h 44m1 stop
Alaska Airlines Logo
8:00 am - 12:03 amKOA-STL
11h 03m1 stop
$421Alaska Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 8
Hawaiian Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Hawaiian Airlines Logo
10:00 pm - 1:52 pmKOA-STL
11h 52m1 stop
$461Hawaiian Airlines
Find Deal
Fri, Jan 9 - Sun, Jan 25
Hawaiian Airlines Logo
6:33 am - 3:57 pmSTL-KOA
14h 24m1 stop
Hawaiian Airlines Logo
8:00 am - 12:03 amKOA-STL
11h 03m1 stop
$533Hawaiian Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 14
Delta Logo
7:35 am - 7:00 pmSTL-KOA
16h 25m2 stops
Delta Logo
8:44 pm - 4:14 pmKOA-STL
14h 30m2 stops
$536Delta
Find Deal
Tue, Sep 2 - Fri, Sep 12
United Airlines Logo
9:00 am - 5:39 pmSTL-ITO
13h 39m2 stops
United Airlines Logo
8:36 am - 10:00 pmITO-STL
32h 24m3 stops
$745United Airlines
Find Deal
Mon, Sep 22 - Wed, Oct 1
United Airlines Logo
5:49 pm - 5:39 pmSTL-ITO
28h 50m2 stops
United Airlines Logo
7:47 am - 10:00 pmITO-STL
33h 13m3 stops
$884United Airlines
Find Deal
Tue, Sep 23 - Thu, Sep 25

American Airlines flights from St. Louis to The Big Island

Our best American Airlines deals on St. Louis to The Big Island flight tickets
American Airlines
Nov 16
STL5:17 amLambert-St Louis
13h 45m
2 stops
KOA3:02 pmKona Intl
Nov 20
KOA6:30 pmKona Intl
12h 07m
1 stop
STL10:37 amLambert-St Louis
$409
Find similar
American Airlines
Nov 16
STL5:17 amLambert-St Louis
13h 45m
2 stops
KOA3:02 pmKona Intl
Nov 20
KOA4:32 pmKona Intl
14h 05m
2 stops
STL10:37 amLambert-St Louis
$414
Find similar
American Airlines
Jan 13
STL7:09 amLambert-St Louis
16h 18m
2 stops
KOA7:27 pmKona Intl
Jan 20
KOA10:28 pmKona Intl
11h 14m
1 stop
STL1:42 pmLambert-St Louis
$415
Find similar

Hawaiian Airlines flights from St. Louis to The Big Island

Our best Hawaiian Airlines deals on St. Louis to The Big Island flight tickets
Hawaiian Airlines
Jan 9
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Jan 25
KOA10:00 pmKona Intl
11h 52m
1 stop
STL1:52 pmLambert-St Louis
$461
Find similar
Hawaiian Airlines
Oct 7
STL6:33 amLambert-St Louis
14h 24m
1 stop
KOA3:57 pmKona Intl
Oct 14
KOA8:00 amKona Intl
11h 03m
1 stop
STL12:03 amLambert-St Louis
$533
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 5, 2025.
Use the filters below to find and compare flights from St. Louis to The Big Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 11/16

5:17 am-3:02 pm

2 stops13h 45m

Kona Intl

Thu 11/20

6:30 pm-10:37 am

1 stop12h 07m

$409

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 11/16

5:17 am-3:02 pm

2 stops13h 45m

Kona Intl

Thu 11/20

4:32 pm-10:37 am

2 stops14h 05m

$414

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 1/13

7:09 am-7:27 pm

2 stops16h 18m

Kona Intl

Tue 1/20

10:28 pm-1:42 pm

1 stop11h 14m

$415

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 9/3

6:00 am-5:43 pm

2 stops16h 43m

Kona Intl

Thu 9/11

8:00 am-11:59 pm

1 stop10h 59m

$420

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Wed 9/24

6:00 am-4:44 pm

1 stop15h 44m

Kona Intl

Wed 10/8

8:00 am-12:03 am

1 stop11h 03m

$421

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Fri 1/9

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

Sun 1/25

10:00 pm-1:52 pm

1 stop11h 52m

$461

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 10/7

6:33 am-3:57 pm

1 stop14h 24m

Kona Intl

Tue 10/14

8:00 am-12:03 am

1 stop11h 03m

$533

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 9/2

7:35 am-7:00 pm

2 stops16h 25m

Kona Intl

Fri 9/12

8:44 pm-4:14 pm

2 stops14h 30m

$536

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 9/22

9:00 am-5:39 pm

2 stops13h 39m

Hilo Intl

Wed 10/1

8:36 am-10:00 pm

3 stops32h 24m

$745

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 9/23

5:49 pm-5:39 pm

2 stops28h 50m

Hilo Intl

Thu 9/25

7:47 am-10:00 pm

3 stops33h 13m

$884

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to The Big Island from

How to get the cheapest flight ticket from St. Louis to The Big Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to The Big Island?

The month of September is, on average, the cheapest month to fly to The Big Island from St. Louis, with most prices found around $472. If you’re not able to fly to The Big Island in September, then February is your next best option. Flight prices from St. Louis to The Big Island during February average around $479.

What is the cheapest day to depart on your flight to The Big Island?

The cheapest day to depart from St. Louis to The Big Island is on a Tuesday when prices can be found for as low as $599. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to The Big Island for around $852.

What is the cheapest time of day to depart on your flight to The Big Island?

The cheapest time of day to fly to The Big Island is in the evening when flights can be purchased for as low as $546. Flights to The Big Island are more costly in the afternoon, with an average ticket price of $1,085. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to The Big Island?

You are more likely to see cheaper flights to The Big Island from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to The Big Island for around $596 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to The Big Island from St. Louis for as low as $488 on momondo.

Can stopping save me money on St. Louis to The Big Island flights?

No. A direct flight is the cheapest option for a flight between St. Louis to The Big Island.

Cheap St. Louis to The Big Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to The Big Island

Best Price Found

$205

Fastest flight time

10h 25m

Direct flights

None

Airports in The Big Island

2 airports
The best one-way flight to The Big Island from St. Louis in the past 72 hours is $205. The best round-trip flight deal from St. Louis to The Big Island found on momondo in the last 72 hours is $409.
The fastest flight from St. Louis to The Big Island takes 10h 25m
There are no direct flights from St. Louis to The Big Island. Popular non-direct route for this connection is Lambert-St Louis Airport - Kona Intl Airport.
There are 2 airports near The Big Island: Hilo Intl (ITO), Kona Intl (KOA)
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to The Big Island?

    Prices for flights from Lambert-St Louis Airport to The Big Island are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to The Big Island?

  • How old do you have to be to fly from Lambert-St Louis Airport to The Big Island?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to The Big Island.

  • What documentation or ID do you need to fly to The Big Island?

    The travel and health documents required for your trip to The Big Island can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at The Big Island. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from St. Louis to The Big Island?

Best airlines flying from St. Louis to The Big Island

Compare and see reviews for airlines that fly from St. Louis to The Big Island with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $389Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $389Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $394Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $520Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to The Big Island?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to The Big Island. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to The Big Island with flexible booking policies on momondo?

momondo does allow users to show only those flights to The Big Island from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to The Big Island?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to The Big Island.

I’m not ready to book a flight from St. Louis to The Big Island right now. Can momondo alert me if prices change?

If you are simply researching potential flights to The Big Island, momondo offers a useful price alert feature which will track prices for flights to The Big Island from St. Louis and alert you when they change.

An easier way to manage your The Big Island trip

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