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$946+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — STL
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Hilo to St. Louis

Cheapest flights from Hilo to St. Louis
Explore the most affordable flight options available from Hilo to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 3/126:44 pm
ITO
-
STL
2 stops38h 07m
Multiple Airlines
Sun 3/153:19 pm
STL
-
ITO
2 stops35h 05m
Multiple Airlines
Deal found 2/8$946
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 2/188:40 am
ITO
-
STL
2 stops25h 11m
Multiple Airlines
Sun 2/227:00 am
STL
-
ITO
2 stops17h 23m
Multiple Airlines
Deal found 2/10$960
This United Airlines deal was found by Cheapflights users on 2/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:42 am
ITO
-
STL
3 stops34h 32m
United Airlines
Sun 2/226:00 pm
STL
-
ITO
2 stops29h 59m
United Airlines
Deal found 2/7$1,248
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:40 am
ITO
-
STL
2 stops20h 56m
United Airlines
Sun 3/154:47 pm
STL
-
ITO
3 stops29h 54m
United Airlines
Deal found 2/8$3,000

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$946
(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

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 February 11, 2026.
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

Thu 3/12

6:44 pm-1:51 pm

2 stops38h 07m

Lambert-St Louis

Sun 3/15

3:19 pm-9:24 pm

2 stops35h 05m

$946

HiloSt. Louis

ITO - STL

ITOSTL

Hilo Intl

Thu 3/12

8:40 am-10:36 am

2 stops20h 56m

Lambert-St Louis

Sun 3/15

4:47 pm-5:41 pm

3 stops29h 54m

$3,000

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 FlightHub the most. FlightHub 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.

  • How long is the flight from Hilo to St. Louis?

    United Airlines can get you from Hilo to St. Louis in just under 20h 56m. Your travel time can differ by up to . There are 4026 mi between Hilo and St. Louis.

  • 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.

See more FAQs

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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