
$428 Cheap United flights from St. Louis to Hilo (STL to ITO)
Find The Best Day To Fly from St. Louis to Hilo
Amazing United STL to ITO Flight Deals
The cheapest flights to Hilo Intl. found within the past 7 days were $864 round trip and $428 one way. Prices and availability subject to change. Additional terms may apply.
ITO From STL Economy Coach Packages on Similar Airlines



Discover our best United flight from St. Louis STL to Hilo ITO
To find the best deals on flights to St. Louis from Hilo with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from St. Louis STL to Hilo ITO with United
If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $864 to $992, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way United flights from St. Louis STL to Hilo ITO
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from St. Louis to Hilo costs from $428. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Hilo ITO from St. Louis STL with United
To find a cheap United flight from St. Louis STL to Hilo ITO, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on United flights from St. Louis STL to Hilo ITO
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as November, or if you book a flight with a stopover.
Find nonstop flights from St. Louis STL to Hilo ITO with United
If you’re keen to be on Hilo soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for United flights from St. Louis STL to Hilo ITO
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Hilo ITO from St. Louis STL with United on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ORD | USA | O'Hare Intl. | 227 |
| DEN | USA | Denver Intl. | 226 |
| IAH | USA | George Bush Intercontinental | 136 |
| IAD | USA | Washington Dulles Intl. | 100 |
| SFO | USA | San Francisco Intl. | 64 |
| LAX | USA | Los Angeles Intl. | 23 |
| EWR | USA | Liberty Intl. | 20 |
| FRA | DEU | Frankfurt Intl. | 19 |
| NRT | JPN | Narita Intl. | 19 |
| PEK | CHN | Capital Intl. | 16 |
Travelers ❤️ these 🏨 after their flight to Hilo

Grand Naniloa Hotel Hilo - a Doubletree by Hilton
Excellent place, beautiful beach, delicious food, peaceful atmosphere, the best place to stay in Hilo
Reviewed on Oct 25, 2025

Hilo Hawaiian Hotel, Trademark Collection by Wyndham
The hotel was amazing. We stayed here bc hotels.com didn’t actually make my reservation when I did so we found out on the flight from Seattle to Kona that we didn’t have a place to stay. 2 stars for hotels.com bc the customer service was helpful (this time) but this is the second time this has ...
Reviewed on Oct 25, 2025

Hilo Reeds Bay Hotel
Very friendly staff, and they were always working hard to keep everything immaculate.
Reviewed on Oct 28, 2025
