In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from ITO to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hilo to St. Louis as you normally would.

Most accurate provider : When it comes to deals on Hilo-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hilo-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hilo-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Hilo-St. Louis flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hilo-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Hilo to St. Louis that include hotel bookings?

Yes. In addition to deals on Hilo to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Hilo to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hilo to St. Louis.

Can I find deals for business class flights from Hilo to St. Louis?

Yes. Cheapflights offers flight deals from Hilo to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$627+ Flights from Hilo to St. Louis

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Cheap flight deals from Hilo to St. Louis

Best flights from Hilo to St. Louis
Discover carefully curated flight deals from Hilo to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Wed 1/289:55 amITO - STL

2 stops23h 59mMultiple Airlines

Sun 2/12:50 pmSTL - ITO

2 stops30h 39mMultiple Airlines

Deal found 12/27

$627

Last-minute flights from Hilo to St. Louis
Discover last-minute flight deals from Hilo to St. Louis. Data last updated December 28, 2025 and is based on user searches.

Wed 1/289:55 amITO - STL

2 stops23h 59mMultiple Airlines

Sun 2/12:50 pmSTL - ITO

2 stops30h 39mMultiple Airlines

Deal found 12/27

$627

One-way flights from Hilo to St. Louis
Search for one-way flight options from Hilo to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Tue 1/67:44 pmITO - STL

2 stops45h 14mUnited Airlines

Deal found 12/25

$639

Find flight deals from Hilo to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$582 (Alaska Airlines)

Provider with most accurate pricing for Hilo Intl-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Hilo Intl-Lambert-St Louis flights.

Search Deals

From Hilo Intl to Lambert-St Louis

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Wed 1/28

9:55 am-1:54 pm

2 stops23h 59m

Lambert-St Louis

Sun 2/1

2:50 pm-5:29 pm

2 stops30h 39m

$627

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Mon 1/5

7:44 pm-4:55 pm

2 stops41h 11m

$639

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Tue 1/6

7:44 pm-8:58 pm

2 stops45h 14m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Compare providers for flights from Hilo to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hilo to St. Louis in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Expedia	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Hilo-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hilo-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hilo-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Hilo-St. Louis flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hilo-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hilo to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hilo with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Hilo to St. Louis that include hotel bookings?
Yes. In addition to deals on Hilo to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Hilo to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hilo to St. Louis.
Can I find deals for business class flights from Hilo to St. Louis?
Yes. Cheapflights offers flight deals from Hilo to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$627+ Cheap flights from Hilo to St. Louis (ITO - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Hilo to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Hilo to St. Louis

Best flights from Hilo to St. LouisDiscover carefully curated flight deals from Hilo to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Discover carefully curated flight deals from Hilo to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Find flight deals from Hilo to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

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Use the filters below to find and compare flights from Hilo to St. Louis that are best for you.

Compare providers for flights from Hilo to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hilo to St. Louis in December.

Best time to book a flight from Hilo to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Hilo with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Hilo to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Hilo to St. Louis that include hotel bookings?

How can I find direct flights from Hilo to St. Louis?

Can I find deals for business class flights from Hilo to St. Louis?

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Best flights from Hilo to St. Louis
Discover carefully curated flight deals from Hilo to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.