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$508+ Cheap flights from St. Louis to Hilo (STL - ITO)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ITO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from St. Louis to Hilo

Cheapest flights from St. Louis to Hilo
Explore the most affordable flight options available from St. Louis to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/232:47 pm
STL
-
ITO
2 stops29h 13m
Multiple Airlines
Tue 3/36:44 pm
ITO
-
STL
2 stops15h 07m
Multiple Airlines
Deal found 1/20$508
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 2/247:00 am
STL
-
ITO
2 stops37h 00m
Multiple Airlines
Wed 2/257:41 pm
ITO
-
STL
2 stops14h 10m
Multiple Airlines
Deal found 1/20$543
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 3/52:47 pm
STL
-
ITO
2 stops35h 48m
Multiple Airlines
Thu 4/29:00 pm
ITO
-
STL
2 stops21h 59m
Multiple Airlines
Deal found 1/20$654
This Orbitz deal was found by Cheapflights users on 1/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
STL
-
ITO
2 stops14h 23m
Multiple Airlines
Thu 8/275:30 pm
ITO
-
STL
2 stops15h 56m
Multiple Airlines
Deal found 1/20$665
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Fri 3/277:00 am
STL
-
ITO
2 stops20h 33m
Multiple Airlines
Thu 4/27:44 pm
ITO
-
STL
2 stops23h 15m
Multiple Airlines
Deal found 1/19$752
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 2/52:50 pm
STL
-
ITO
2 stops35h 44m
Multiple Airlines
Mon 2/99:55 am
ITO
-
STL
2 stops23h 59m
Multiple Airlines
Deal found 1/21$761
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Mon 6/226:00 am
STL
-
ITO
2 stops20h 56m
Multiple Airlines
Mon 6/295:30 pm
ITO
-
STL
2 stops15h 32m
Multiple Airlines
Deal found 1/21$868
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 6/237:30 pm
STL
-
ITO
2 stops31h 26m
Multiple Airlines
Tue 6/301:25 pm
ITO
-
STL
2 stops24h 09m
Multiple Airlines
Deal found 1/21$873
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 6/17:56 pm
STL
-
ITO
2 stops31h 00m
Multiple Airlines
Wed 7/16:49 pm
ITO
-
STL
2 stops18h 45m
Multiple Airlines
Deal found 1/20$874
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 6/266:20 pm
STL
-
ITO
2 stops29h 00m
Multiple Airlines
Mon 6/294:40 pm
ITO
-
STL
2 stops16h 22m
Multiple Airlines
Deal found 1/21$899

Find flight deals from St. Louis to Hilo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Hilo (ITO). 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$508
(Alaska Airlines)

Popular in

February

Cheapest in

September
Provider with most accurate pricing for Lambert-St Louis-Hilo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Hilo Intl flights.
Search Deals
From Lambert-St Louis to Hilo Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($71 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Hilo 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 January 21, 2026.
Use the filters below to find and compare flights from St. Louis to Hilo that are best for you.

Fly from

St. Louis

Fly to

Hilo

Route

Depart

Return

Price

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 2/23

2:47 pm-4:00 pm

2 stops29h 13m

Hilo Intl

Tue 3/3

6:44 pm-1:51 pm

2 stops15h 07m

$508

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 2/24

7:00 am-4:00 pm

2 stops37h 00m

Hilo Intl

Wed 2/25

7:41 pm-1:51 pm

2 stops14h 10m

$543

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Thu 3/5

2:47 pm-10:35 pm

2 stops35h 48m

Hilo Intl

Thu 4/2

9:00 pm-11:59 pm

2 stops21h 59m

$654

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Fri 3/27

7:00 am-10:33 pm

2 stops20h 33m

Hilo Intl

Thu 4/2

7:44 pm-11:59 pm

2 stops23h 15m

$752

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Thu 2/5

2:50 pm-10:34 pm

2 stops35h 44m

Hilo Intl

Mon 2/9

9:55 am-1:54 pm

2 stops23h 59m

$761

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 6/22

6:00 am-9:56 pm

2 stops20h 56m

Hilo Intl

Mon 6/29

5:30 pm-2:02 pm

2 stops15h 32m

$868

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Wed 6/24

6:00 am-9:56 pm

2 stops20h 56m

Hilo Intl

Mon 6/29

4:40 pm-2:02 pm

2 stops16h 22m

$868

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 6/23

6:00 am-9:56 pm

2 stops20h 56m

Hilo Intl

Mon 6/29

6:49 pm-2:02 pm

2 stops14h 13m

$868

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 6/23

7:30 pm-9:56 pm

2 stops31h 26m

Hilo Intl

Tue 6/30

1:25 pm-6:34 pm

2 stops24h 09m

$873

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from St. Louis to Hilo

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 St. Louis to Hilo in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

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

Have a flexible travel schedule? Discover the best time to fly to Hilo from St. Louis 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Hilo

What is the cheapest month to book a flight from St. Louis to Hilo?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Hilo (average of $274). Flying from St. Louis to Hilo in July is currently the most expensive (average of $641). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Hilo

Get insights into the airlines that provide service to Hilo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hilo. Reviews last updated January 21, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines from St. Louis to Hilo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,775 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

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

  • What is the cheapest airline to fly from St. Louis to Hilo round-trip?

    Our cheapest airline available from St. Louis to Hilo is Alaska Airlines. Our recent data shows that you can find tickets from as low as $520 on this airline. Alaska Airlines is priced at 49% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from St. Louis to Hilo?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Hilo (average of $274). Flying from St. Louis to Hilo in July is currently the most expensive (average of $641). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from St. Louis to Hilo

Discover the top airline that operate flights from St. Louis to Hilo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$520Average$685FlexibilityNo cancel feeOn-time75%

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