St. Louis

$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.
ITO — STL
Jan 27 — Feb 31
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1. Tell us where you want to go

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2. Select your favorite providers

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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.

This Alaska Airlines deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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

Find flight deals from Hilo to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Hilo (ITO) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 28, 2025.

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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hilo to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Hilo to St. Louis that are best for you.

Fly from

Hilo

Fly to

St. Louis

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

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.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust 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

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?

    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.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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