$330+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ITO
Mar 11 — Mar 181
1 adult, Economy
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Find cheap flights from St. Louis to Hilo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Hilo
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Best
Last-minute
One-way
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 February 9, 2026.
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 February 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 2/237:00 am
STL
- ITO
2 stops16h 59m
Multiple Airlines
Tue 3/37:36 pm
ITO
- STL
2 stops14h 15m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$651
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 3/257:00 am
STL
- ITO
2 stops19h 33m
Multiple Airlines
Wed 4/14:45 pm
ITO
- STL
2 stops26h 14m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$671
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 stops16h 59m
Multiple Airlines
Wed 2/257:41 pm
ITO
- STL
2 stops24h 18m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$680
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 am
STL
- ITO
2 stops17h 13m
Multiple Airlines
Tue 3/311:46 pm
ITO
- STL
2 stops29h 13m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$714
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:00 am
STL
- ITO
2 stops19h 35m
Multiple Airlines
Thu 2/266:44 pm
ITO
- STL
2 stops15h 07m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$812
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- ITO
2 stops28h 05m
Multiple Airlines
Fri 2/2712:30 pm
ITO
- STL
2 stops21h 21m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$866
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 3/267:00 am
STL
- ITO
2 stops15h 42m
Multiple Airlines
Thu 4/29:00 pm
ITO
- STL
2 stops21h 59m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$946
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 7/232:58 pm
STL
- ITO
2 stops22h 11m
Multiple Airlines
Fri 7/316:49 pm
ITO
- STL
2 stops14h 13m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$994
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 3/197:00 am
STL
- ITO
2 stops15h 27m
Multiple Airlines
Sat 3/287:44 pm
ITO
- STL
2 stops23h 15m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,133
Best flights from St. Louis to HiloDiscover 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 February 9, 2026.
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 February 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 2/237:00 am
STL
- ITO
2 stops16h 59m
Multiple Airlines
Tue 3/37:36 pm
ITO
- STL
2 stops14h 15m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$651
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 3/257:00 am
STL
- ITO
2 stops19h 33m
Multiple Airlines
Wed 4/14:45 pm
ITO
- STL
2 stops26h 14m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$671
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 stops16h 59m
Multiple Airlines
Wed 2/257:41 pm
ITO
- STL
2 stops24h 18m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$680
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 am
STL
- ITO
2 stops17h 13m
Multiple Airlines
Tue 3/311:46 pm
ITO
- STL
2 stops29h 13m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$714
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:00 am
STL
- ITO
2 stops19h 35m
Multiple Airlines
Thu 2/266:44 pm
ITO
- STL
2 stops15h 07m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$812
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- ITO
2 stops28h 05m
Multiple Airlines
Fri 2/2712:30 pm
ITO
- STL
2 stops21h 21m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$866
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 3/267:00 am
STL
- ITO
2 stops15h 42m
Multiple Airlines
Thu 4/29:00 pm
ITO
- STL
2 stops21h 59m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$946
Last-minute flights from St. Louis to HiloDiscover last-minute flight deals from St. Louis to Hilo. Data last updated February 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Hilo. Data last updated February 9, 2026 and is based on user searches.
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:00 am
STL
- ITO
2 stops19h 35m
Multiple Airlines
Thu 2/266:44 pm
ITO
- STL
2 stops15h 07m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$812
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 2/237:00 am
STL
- ITO
2 stops16h 59m
Multiple Airlines
Tue 3/37:36 pm
ITO
- STL
2 stops14h 15m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$651
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- ITO
2 stops28h 05m
Multiple Airlines
Fri 2/2712:30 pm
ITO
- STL
2 stops21h 21m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$866
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 stops16h 59m
Multiple Airlines
Wed 2/257:41 pm
ITO
- STL
2 stops24h 18m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$680
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.
Mon 3/97:00 am
STL
- ITO
2 stops15h 29m
Multiple Airlines
Mon 3/97:36 pm
ITO
- STL
2 stops37h 15m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$823
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 3/197:00 am
STL
- ITO
2 stops15h 27m
Multiple Airlines
Sat 3/287:44 pm
ITO
- STL
2 stops23h 15m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,133
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 am
STL
- ITO
2 stops17h 13m
Multiple Airlines
Tue 3/311:46 pm
ITO
- STL
2 stops29h 13m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$714
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 3/257:00 am
STL
- ITO
2 stops19h 33m
Multiple Airlines
Wed 4/14:45 pm
ITO
- STL
2 stops26h 14m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$671
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/253:50 pm
STL
- ITO
2 stops20h 13m
Multiple Airlines
Mon 3/301:46 pm
ITO
- STL
2 stops20h 05m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$2,301
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 3/267:00 am
STL
- ITO
2 stops15h 42m
Multiple Airlines
Thu 4/29:00 pm
ITO
- STL
2 stops21h 59m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$946
One-way flights from St. Louis to HiloSearch for one-way flight options from St. Louis to Hilo. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
Search for one-way flight options from St. Louis to Hilo. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:47 pm
STL
- ITO
3 stops48h 59m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 2/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:32 am
STL
- ITO
2 stops17h 14m
Delta
Deal found 2/6![Delta logo]()
$535
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 February 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $651 (Alaska Airlines) |
One-way from | $330 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $1,740 |
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 February 9, 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
7:00 am-7:59 pm
2 stops16h 59m
Hilo Intl
Tue 3/3
7:36 pm-1:51 pm
2 stops14h 15m
$651
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Wed 3/25
7:00 am-9:33 pm
2 stops19h 33m
Hilo Intl
Wed 4/1
4:45 pm-11:59 pm
2 stops26h 14m
$671
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Tue 2/24
7:00 am-7:59 pm
2 stops16h 59m
Hilo Intl
Wed 2/25
7:41 pm-11:59 pm
2 stops24h 18m
$680
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Tue 3/24
7:00 am-7:13 pm
2 stops17h 13m
Hilo Intl
Tue 3/31
1:46 pm-11:59 pm
2 stops29h 13m
$714
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Sun 2/22
7:00 am-10:35 pm
2 stops19h 35m
Hilo Intl
Thu 2/26
6:44 pm-1:51 pm
2 stops15h 07m
$812
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Mon 2/23
7:00 am-7:05 am
2 stops28h 05m
Hilo Intl
Fri 2/27
12:30 pm-1:51 pm
2 stops21h 21m
$866
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Thu 3/26
7:00 am-5:42 pm
2 stops15h 42m
Hilo Intl
Thu 4/2
9:00 pm-11:59 pm
2 stops21h 59m
$946
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Sun 3/15
10:47 pm-6:46 pm
3 stops48h 59m
$330
St. LouisHilo
STL - ITO
STLITO
Lambert-St Louis
Sun 3/15
6:32 am-6:46 pm
2 stops17h 14m
$535
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 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 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.
STL-ITO
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
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 February 9, 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.
Crew
8.5
Overall
8.0
Food
7.1
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Overall
8.0
Food
7.1
Entertainment
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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.
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Complete your trip
Complete your trip to Hilo by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Hilo
Explore flights to Hilo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 9, 2026.
St. Louis and Hilo flights
Browse other St. Louis and Hilo flight options. Last updated on February 9, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on February 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 February 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$520 | Average$685 | FlexibilityNo cancel fee | On-time75% |