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Hilo

$416+ Cheap flights from St. Louis to Hilo (STL - ITO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ITO
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$774
(Alaska Airlines)

One-way from

$416
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$685
Provider with most accurate pricing for Lambert-St Louis-Hilo Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Hilo Intl flights.
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From Lambert-St Louis to Hilo Intl
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One-way flight from Lambert-St Louis to Hilo Intl
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Highest demand for flights based on searches. 21% potential increase in price ($263 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 27, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 11/107:00 amSTL - ITO
2 stops17h 30mAlaska Airlines
Fri 11/149:00 pmITO - STL
2 stops14h 18mAlaska Airlines
Deal found 10/25$774
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 10/287:00 amSTL - ITO
2 stops20h 26mAlaska Airlines
Wed 10/297:25 pmITO - STL
2 stops23h 34mAlaska Airlines
Deal found 10/24$813
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 11/97:00 amSTL - ITO
2 stops19h 22mAlaska Airlines
Thu 11/139:00 pmITO - STL
2 stops22h 59mAlaska Airlines
Deal found 10/25$889
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sun 11/2311:05 amSTL - ITO
2 stops37h 23mUnited Airlines
Sun 11/307:44 pmITO - STL
2 stops46h 14mUnited Airlines
Deal found 10/26$1,213
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 12/236:00 amSTL - ITO
2 stops17h 14mUnited Airlines
Tue 12/304:40 pmITO - STL
2 stops16h 40mUnited Airlines
Deal found 10/24$1,234
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:41 amSTL - ITO
2 stops39h 10mUnited Airlines
Sat 1/37:44 pmITO - STL
2 stops46h 11mUnited Airlines
Deal found 10/27$1,670

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 October 27, 2025.
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 11/10

7:00 am-8:30 pm

2 stops17h 30m

Hilo Intl

Fri 11/14

9:00 pm-3:18 pm

2 stops14h 18m

$774

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Sun 11/9

7:00 am-10:22 pm

2 stops19h 22m

Hilo Intl

Thu 11/13

9:00 pm-11:59 pm

2 stops22h 59m

$889

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 12/23

6:00 am-7:14 pm

2 stops17h 14m

Hilo Intl

Tue 12/30

4:40 pm-1:20 pm

2 stops16h 40m

$1,234

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Tue 12/23

6:41 am-5:51 pm

2 stops39h 10m

Hilo Intl

Sat 1/3

7:44 pm-4:36 pm

2 stops40h 52m

$1,670

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Sun 11/9

7:45 pm-10:22 pm

3 stops30h 37m

$416

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Sun 11/9

7:05 am-6:00 pm

2 stops14h 55m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 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 St. Louis-Hilo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Hilo flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $633). 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 October 27, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines and Southwest 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
11,193 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Entertainment

7.0

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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.

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

    Alaska Airlines and United Airlines can get you from St. Louis to Hilo in just under 17h 14m. Your travel time can differ by up to 16m. The distance from St. Louis to Hilo is about 4026 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying 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. An additional option worth looking into is Southwest, starting at $1,031. Alaska Airlines is priced at 44% 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 $633). 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 2 airlines flying from St. Louis to Hilo

Discover the top 2 airlines 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$520Average$685FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$1,031Average$1,111FlexibilityNo cancel feeOn-time63%

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