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Cheap flights from St. Louis to The Big Island from $216

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 2/21. 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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0 bags

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Find the cheapest flights from St. Louis to The Big Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:35 am - 7:57 pm
STL
-
KOA
17h 22m2 stops
Delta Logo
8:59 pm - 4:45 pm
KOA
-
STL
15h 46m2 stops
$374Delta
Tue, Feb 3 - Tue, Feb 17
Delta Logo
6:10 am - 6:47 pm
STL
-
KOA
16h 37m2 stops
Delta Logo
8:45 pm - 2:38 pm
KOA
-
STL
13h 53m2 stops
$384Delta
Thu, Jan 22 - Mon, Jan 26
Delta Logo
6:40 am - 3:51 pm
STL
-
KOA
13h 11m1 stop
Delta Logo
8:59 pm - 5:48 pm
KOA
-
STL
16h 49m2 stops
$398Delta
Mon, Feb 2 - Thu, Feb 12
American Airlines Logo
7:15 am - 3:48 pm
STL
-
KOA
12h 33m1 stop
American Airlines Logo
6:30 pm - 8:52 am
KOA
-
STL
10h 22m1 stop
$421American Airlines
Mon, Feb 2 - Thu, Feb 12
American Airlines Logo
7:15 am - 3:48 pm
STL
-
KOA
12h 33m1 stop
American Airlines Logo
10:30 pm - 5:05 pm
KOA
-
STL
14h 35m2 stops
$427American Airlines
Tue, Feb 3 - Tue, Feb 17
Multiple Airlines Logo
2:47 pm - 4:00 pm
STL
-
ITO
29h 13m2 stops
Multiple Airlines Logo
6:44 pm - 1:51 pm
ITO
-
STL
15h 07m2 stops
$572Multiple Airlines
Mon, Mar 2 - Tue, Mar 3
Multiple Airlines Logo
7:00 am - 4:00 pm
STL
-
ITO
37h 00m2 stops
Multiple Airlines Logo
4:39 pm - 1:51 pm
ITO
-
STL
16h 12m2 stops
$575Multiple Airlines
Mon, Mar 2 - Wed, Mar 11
Alaska Airlines Logo
2:47 pm - 4:00 pm
STL
-
ITO
29h 13m2 stops
Alaska Airlines Logo
7:41 pm - 1:51 pm
ITO
-
STL
14h 10m2 stops
$593Alaska Airlines
Mon, Mar 2 - Tue, Mar 3
Alaska Airlines Logo
2:47 pm - 4:00 pm
STL
-
ITO
29h 13m2 stops
Alaska Airlines Logo
4:39 pm - 1:51 pm
ITO
-
STL
16h 12m2 stops
$641Alaska Airlines
Mon, Mar 2 - Wed, Mar 11
United Airlines Logo
2:45 pm - 7:14 pm
STL
-
ITO
56h 29m2 stops
United Airlines Logo
7:44 pm - 12:27 pm
ITO
-
STL
36h 43m3 stops
$1,333United Airlines
Thu, Dec 25 - Mon, Dec 29

Delta flights from St. Louis to The Big Island

Our best Delta deals on St. Louis to The Big Island flight tickets
Delta
Feb 3
STL6:35 amLambert-St Louis
17h 22m
2 stops
KOA7:57 pmKona Intl
Feb 17
KOA8:59 pmKona Intl
15h 46m
2 stops
STL4:45 pmLambert-St Louis
$374
Find similar
Delta
Jan 22
STL6:10 amLambert-St Louis
16h 37m
2 stops
KOA6:47 pmKona Intl
Jan 26
KOA8:45 pmKona Intl
13h 53m
2 stops
STL2:38 pmLambert-St Louis
$384
Find similar
Delta
Feb 2
STL6:40 amLambert-St Louis
13h 11m
1 stop
KOA3:51 pmKona Intl
Feb 12
KOA8:59 pmKona Intl
16h 49m
2 stops
STL5:48 pmLambert-St Louis
$398
Find similar

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
Feb 2
STL7:15 amLambert-St Louis
12h 33m
1 stop
KOA3:48 pmKona Intl
Feb 12
KOA6:30 pmKona Intl
10h 22m
1 stop
STL8:52 amLambert-St Louis
$421
Find similar
American Airlines
Feb 3
STL7:04 amLambert-St Louis
11h 50m
1 stop
KOA2:54 pmKona Intl
Feb 10
KOA11:00 pmKona Intl
15h 14m
2 stops
STL6:14 pmLambert-St Louis
$427
Find similar
American Airlines
Feb 3
STL7:27 amLambert-St Louis
12h 20m
1 stop
KOA3:47 pmKona Intl
Feb 17
KOA10:30 pmKona Intl
11h 16m
1 stop
STL1:46 pmLambert-St Louis
$471
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 December 11, 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 2/3

6:35 am-7:57 pm

2 stops17h 22m

Kona Intl

Tue 2/17

8:59 pm-4:45 pm

2 stops15h 46m

$374

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Thu 1/22

6:10 am-6:47 pm

2 stops16h 37m

Kona Intl

Mon 1/26

8:45 pm-2:38 pm

2 stops13h 53m

$384

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 2/2

6:40 am-3:51 pm

1 stop13h 11m

Kona Intl

Thu 2/12

8:59 pm-5:48 pm

2 stops16h 49m

$398

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Mon 2/2

7:15 am-3:48 pm

1 stop12h 33m

Kona Intl

Thu 2/12

6:30 pm-8:52 am

1 stop10h 22m

$421

St. LouisKailua-Kona

STL - KOA

STLKOA

Lambert-St Louis

Tue 2/3

7:15 am-3:48 pm

1 stop12h 33m

Kona Intl

Tue 2/17

10:30 pm-5:05 pm

2 stops14h 35m

$427

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 3/2

2:47 pm-4:00 pm

2 stops29h 13m

Hilo Intl

Tue 3/3

6:44 pm-1:51 pm

2 stops15h 07m

$572

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 3/2

7:00 am-4:00 pm

2 stops37h 00m

Hilo Intl

Wed 3/11

4:39 pm-1:51 pm

2 stops16h 12m

$575

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 3/2

2:47 pm-4:00 pm

2 stops29h 13m

Hilo Intl

Tue 3/3

7:41 pm-1:51 pm

2 stops14h 10m

$593

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 3/2

2:47 pm-4:00 pm

2 stops29h 13m

Hilo Intl

Wed 3/11

4:39 pm-1:51 pm

2 stops16h 12m

$641

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Thu 12/25

2:45 pm-7:14 pm

2 stops56h 29m

Hilo Intl

Mon 12/29

7:44 pm-12:27 pm

3 stops36h 43m

$1,333

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 April is your next best option. Flight prices from St. Louis to The Big Island during April average around $505.

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 week ahead of your departure date. In general, you can expect to find flights to The Big Island for around $617 when searching week 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 $552 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

Fastest flight time

11h 41m

Direct flights

None
The fastest flight from St. Louis to The Big Island takes 11h 41m
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.
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 $401Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $409Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $421Free CancellationRating
8.0
11,432 reviews
Search Alaska Airlines flights
DeltaPriceFrom $422Free CancellationRating
7.9
8,008 reviews
Search Delta flights
SouthwestPriceFrom $481Free CancellationRating
7.9
4,253 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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