Cheap flights from St. Louis to The Big Island from $221

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 10/8. 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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Cheap round-trip flights

Delta Logo
6:00 am - 6:30 pmSTL-KOA
16h 30m2 stops
Delta Logo
8:30 pm - 4:49 pmKOA-STL
16h 19m2 stops
$395Delta
Find Deal
Tue, Nov 4 - Tue, Nov 11
Delta Logo
6:50 am - 5:30 pmSTL-KOA
15h 40m2 stops
Delta Logo
8:30 pm - 1:31 pmKOA-STL
13h 01m2 stops
$415Delta
Find Deal
Mon, Oct 27 - Tue, Nov 11
Delta Logo
7:00 am - 7:50 pmSTL-KOA
16h 50m2 stops
Delta Logo
9:55 pm - 9:42 pmKOA-STL
19h 47m2 stops
$426Delta
Find Deal
Tue, Feb 3 - Tue, Feb 10
Alaska Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Alaska Airlines Logo
10:00 pm - 1:52 pmKOA-STL
11h 52m1 stop
$441Alaska Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 10
Alaska Airlines Logo
2:55 pm - 10:35 pmSTL-KOA
11h 40m1 stop
Alaska Airlines Logo
3:10 pm - 1:52 pmKOA-STL
18h 42m2 stops
$447Alaska Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
7:09 am - 7:27 pmSTL-KOA
16h 18m2 stops
American Airlines Logo
10:40 pm - 4:10 pmKOA-STL
13h 30m2 stops
$452American Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
9:00 am - 4:18 pmSTL-KOA
11h 18m1 stop
United Airlines Logo
8:55 pm - 12:39 pmKOA-STL
11h 44m1 stop
$461United Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
American Airlines Logo
7:31 am - 2:31 pmSTL-KOA
12h 00m1 stop
American Airlines Logo
9:35 pm - 1:40 pmKOA-STL
12h 05m1 stop
$463American Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
United Airlines Logo
9:00 am - 4:18 pmSTL-KOA
11h 18m1 stop
United Airlines Logo
2:40 pm - 10:39 amKOA-STL
15h 59m2 stops
$467United Airlines
Find Deal
Mon, Nov 17 - Sun, Nov 23
Southwest Logo
5:00 am - 1:45 pmSTL-KOA
12h 45m1 stop
Southwest Logo
9:25 pm - 1:55 pmKOA-STL
12h 30m1 stop
$525Southwest
Find Deal
Sun, Feb 1 - Sun, Mar 1

Alaska Airlines flights from St. Louis to The Big Island

Our best Alaska Airlines deals on St. Louis to The Big Island flight tickets
Alaska Airlines
Feb 3
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Feb 10
KOA10:00 pmKona Intl
11h 52m
1 stop
STL1:52 pmLambert-St Louis
Alaska Airlines
Feb 3
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Feb 10
KOA3:10 pmKona Intl
18h 42m
2 stops
STL1:52 pmLambert-St Louis
Alaska Airlines
Feb 2
STL2:55 pmLambert-St Louis
11h 40m
1 stop
KOA10:35 pmKona Intl
Mar 2
KOA7:55 pmKona Intl
13h 57m
2 stops
STL1:52 pmLambert-St Louis

Southwest flights from St. Louis to The Big Island

Our best Southwest deals on St. Louis to The Big Island flight tickets
Southwest
Feb 1
STL5:00 amLambert-St Louis
12h 45m
1 stop
KOA1:45 pmKona Intl
Mar 1
KOA9:25 pmKona Intl
12h 30m
1 stop
STL1:55 pmLambert-St Louis
Southwest
Sep 28
STL5:50 amLambert-St Louis
11h 20m
1 stop
KOA12:10 pmKona Intl
Sep 30
KOA8:30 pmKona Intl
14h 25m
2 stops
STL3:55 pmLambert-St Louis
Southwest
Oct 7
STL5:40 amLambert-St Louis
17h 30m
2 stops
KOA6:10 pmKona Intl
Oct 12
KOA9:15 amKona Intl
11h 25m
2 stops
STL1:40 amLambert-St Louis

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 September 26, 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

Tue 11/4

6:00 am-6:30 pm

2 stops16h 30m

Kona Intl

Tue 11/11

8:30 pm-4:49 pm

2 stops16h 19m

$395

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 10/27

6:50 am-5:30 pm

2 stops15h 40m

Kona Intl

Tue 11/11

8:30 pm-1:31 pm

2 stops13h 01m

$415

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

7:00 am-7:50 pm

2 stops16h 50m

Kona Intl

Tue 2/10

9:55 pm-9:42 pm

2 stops19h 47m

$426

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

Tue 2/10

10:00 pm-1:52 pm

1 stop11h 52m

$441

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

2:55 pm-10:35 pm

1 stop11h 40m

Kona Intl

Tue 2/10

3:10 pm-1:52 pm

2 stops18h 42m

$447

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

7:09 am-7:27 pm

2 stops16h 18m

Kona Intl

Tue 2/10

10:40 pm-4:10 pm

2 stops13h 30m

$452

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 11/17

9:00 am-4:18 pm

1 stop11h 18m

Kona Intl

Mon 11/24

8:55 pm-12:39 pm

1 stop11h 44m

$461

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Thu 10/30

7:31 am-2:31 pm

1 stop12h 00m

Kona Intl

Mon 11/3

9:35 pm-1:40 pm

1 stop12h 05m

$463

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 11/17

9:00 am-4:18 pm

1 stop11h 18m

Kona Intl

Sun 11/23

2:40 pm-10:39 am

2 stops15h 59m

$467

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Sun 2/1

5:00 am-1:45 pm

1 stop12h 45m

Kona Intl

Sun 3/1

9:25 pm-1:55 pm

1 stop12h 30m

$525

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 $452. If you’re not able to fly to The Big Island in September, then January is your next best option. Flight prices from St. Louis to The Big Island during January average around $489.

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 $598 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 $508 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

Direct flights

None
There are no direct flights from St. Louis to The Big Island. There are no popular flight routes from St. Louis to The Big Island.
  • 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
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $394Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $399Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $422Free CancellationRating
7.9
7,973 reviews
Search Delta flights
SouthwestPriceFrom $481Free 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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1 adult
Sun 10/26
Sun 11/2

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