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

Alaska Airlines can get you from St. Louis to Hilo in just under 23h 48m. Your travel time can differ by up to . The distance from St. Louis to Hilo is about 4026 mi.

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 47% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Hilo ranges from 7.4 - 15.5 inches per month. November is typically the wettest month, when rainfall can reach 15.5 in. June is typically the driest time to visit Hilo when rainfall is around 7.4 in.

If weather is an important factor for your trip to Hilo, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

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

When flying from St. Louis to Hilo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$395+ Flights from St. Louis to Hilo

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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 December 10, 2025.

Tue 12/237:00 amSTL - ITO

2 stops16h 14mAlaska Airlines

Tue 12/308:29 pmITO - STL

2 stops23h 30mAlaska Airlines

Deal found 12/7

$1,256

Tue 12/236:29 amSTL - ITO

2 stops16h 45mDelta

Sat 1/310:56 amITO - STL

2 stops18h 02mDelta

Deal found 12/9

$2,491

Tue 12/236:30 amSTL - ITO

2 stops15h 21mUnited Airlines

Sat 1/34:40 pmITO - STL

3 stops49h 42mUnited Airlines

Deal found 12/9

$2,905

Best flights from St. Louis to Hilo
Discover carefully curated flight deals from St. Louis to Hilo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 10, 2025.

Mon 1/55:26 pmSTL - ITO

2 stops23h 48mAlaska Airlines

Wed 1/215:59 pmITO - STL

2 stops15h 55mAlaska Airlines

Deal found 12/8

$515

Wed 3/117:00 amSTL - ITO

2 stops19h 24mMultiple Airlines

Fri 3/209:00 pmITO - STL

2 stops21h 55mMultiple Airlines

Deal found 12/10

$920

Mon 2/235:00 amSTL - ITO

2 stops17h 10mSouthwest

Tue 3/106:55 pmITO - STL

2 stops13h 40mSouthwest

Deal found 12/9

$949

Mon 3/22:47 pmSTL - ITO

2 stops29h 13mAlaska Airlines

Tue 3/37:41 pmITO - STL

2 stops14h 10mAlaska Airlines

Deal found 12/9

$593

Mon 1/55:26 pmSTL - ITO

2 stops25h 48mAlaska Airlines

Mon 1/126:44 pmITO - STL

2 stops15h 10mAlaska Airlines

Deal found 12/7

$602

Mon 3/22:47 pmSTL - ITO

2 stops29h 13mAlaska Airlines

Wed 3/114:39 pmITO - STL

2 stops16h 12mAlaska Airlines

Deal found 12/9

$641

Fri 4/247:00 amSTL - ITO

2 stops16h 20mAlaska Airlines

Fri 5/16:49 pmITO - STL

2 stops14h 22mAlaska Airlines

Deal found 12/9

$819

Sun 1/45:26 pmSTL - ITO

2 stops23h 48mAlaska Airlines

Wed 1/215:59 pmITO - STL

2 stops15h 55mAlaska Airlines

Deal found 12/8

$833

Wed 5/207:00 amSTL - ITO

2 stops19h 56mAlaska Airlines

Wed 5/279:00 pmITO - STL

2 stops15h 22mAlaska Airlines

Deal found 12/9

$882

Wed 3/117:00 amSTL - ITO

2 stops19h 24mAlaska Airlines

Fri 3/209:00 pmITO - STL

2 stops21h 55mAlaska Airlines

Deal found 12/8

$981

Last-minute flights from St. Louis to Hilo
Discover last-minute flight deals from St. Louis to Hilo. Data last updated December 10, 2025 and is based on user searches.

Tue 12/237:00 amSTL - ITO

2 stops16h 14mAlaska Airlines

Tue 12/308:29 pmITO - STL

2 stops23h 30mAlaska Airlines

Deal found 12/7

$1,256

Tue 12/236:29 amSTL - ITO

2 stops16h 45mDelta

Sat 1/310:56 amITO - STL

2 stops18h 02mDelta

Deal found 12/9

$2,491

Tue 12/236:30 amSTL - ITO

2 stops15h 21mUnited Airlines

Sat 1/34:40 pmITO - STL

3 stops49h 42mUnited Airlines

Deal found 12/9

$2,905

Sun 1/45:26 pmSTL - ITO

2 stops23h 48mAlaska Airlines

Wed 1/215:59 pmITO - STL

2 stops15h 55mAlaska Airlines

Deal found 12/8

$833

Sun 1/47:20 amSTL - ITO

2 stops17h 09mDelta

Wed 1/211:42 pmITO - STL

2 stops17h 01mDelta

Deal found 12/8

$1,097

Mon 1/55:26 pmSTL - ITO

2 stops23h 48mAlaska Airlines

Wed 1/215:59 pmITO - STL

2 stops15h 55mAlaska Airlines

Deal found 12/8

$515

Mon 1/55:26 pmSTL - ITO

2 stops25h 48mAlaska Airlines

Mon 1/126:44 pmITO - STL

2 stops15h 10mAlaska Airlines

Deal found 12/7

$602

One-way flights from St. Louis to Hilo
Search for one-way flight options from St. Louis to Hilo. Find affordable one-way fares based on user searches. Data last updated December 10, 2025.

Thu 4/97:43 pmSTL - ITO

3 stops24h 40mMultiple Airlines

Deal found 12/7

$395

Thu 1/16:00 amSTL - ITO

2 stops17h 14mUnited Airlines

Deal found 12/8

$412

Wed 12/316:05 amSTL - ITO

2 stops17h 09mDelta

Deal found 12/8

$437

Thu 4/96:30 amSTL - ITO

2 stops13h 53mUnited Airlines

Deal found 12/7

$516

Find flight deals from St. Louis to Hilo

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$515 (Alaska Airlines)
One-way from	$395 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$1,616

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

One-way flight from Lambert-St Louis to Hilo Intl

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($197 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($64 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 1/5

5:26 pm-1:14 pm

2 stops23h 48m

Hilo Intl

Wed 1/21

5:59 pm-1:54 pm

2 stops15h 55m

$515

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 3/2

2:47 pm-4:00 pm

2 stops29h 13m

Hilo Intl

Tue 3/3

7:41 pm-1:51 pm

2 stops14h 10m

$593

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 1/5

5:26 pm-3:14 pm

2 stops25h 48m

Hilo Intl

Mon 1/12

6:44 pm-1:54 pm

2 stops15h 10m

$602

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 3/2

2:47 pm-4:00 pm

2 stops29h 13m

Hilo Intl

Wed 3/11

4:39 pm-1:51 pm

2 stops16h 12m

$641

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Fri 4/24

7:00 am-6:20 pm

2 stops16h 20m

Hilo Intl

Fri 5/1

6:49 pm-2:11 pm

2 stops14h 22m

$819

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Sun 1/4

5:26 pm-1:14 pm

2 stops23h 48m

Hilo Intl

Wed 1/21

5:59 pm-1:54 pm

2 stops15h 55m

$833

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Wed 5/20

7:00 am-9:56 pm

2 stops19h 56m

Hilo Intl

Wed 5/27

9:00 pm-5:22 pm

2 stops15h 22m

$882

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Wed 3/11

7:00 am-9:24 pm

2 stops19h 24m

Hilo Intl

Fri 3/20

9:00 pm-11:55 pm

2 stops21h 55m

$920

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Mon 2/23

5:00 am-6:10 pm

2 stops17h 10m

Hilo Intl

Tue 3/10

6:55 pm-1:35 pm

2 stops13h 40m

$949

St. LouisHilo

STL - ITO

STLITO

Lambert-St Louis

Wed 3/11

7:00 am-9:24 pm

2 stops19h 24m

Hilo Intl

Fri 3/20

9:00 pm-11:55 pm

2 stops21h 55m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 14 results

Compare providers for flights from St. Louis to Hilo

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 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 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 $634). 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

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

11,423 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Alaska Airlines

8.0

Very good

11,423 reviews

Alaska Airlines

8.0

Very good

11,423 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Related info for your journey

How long is the flight from St. Louis to Hilo?
Alaska Airlines can get you from St. Louis to Hilo in just under 23h 48m. Your travel time can differ by up to . The distance from St. Louis to Hilo is about 4026 mi.
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 47% 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 $634). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Hilo

Top airline flying from St. Louis to Hilo

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$520	Average$685	FlexibilityNo cancel fee	On-time75%

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$395+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Hilo with Cheapflights

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Cheap flight deals from St. Louis to Hilo

Cheapest flights from St. Louis to HiloExplore 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 December 10, 2025.

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 December 10, 2025.

Find flight deals from St. Louis to Hilo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 December.

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.

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?

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 December 10, 2025.

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.

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?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Hilo

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Hilo

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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 December 10, 2025.