Cheap Flights from St. Louis (SUS) to Hilo (ITO)

Popular airlines from St. Louis, MO (SUS-Spirit of St. Louis) to Hilo Intl. Airport (ITO)

Frequently asked questions

How much does a flight from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO) cost?
Grab a cheap one-way flight or cheap return flight from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between SUS and ITO. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SUS to ITO flight.
How many flights per day from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO)?
Direct flights from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SUS to ITO?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO)?
To avoid potential delays on the Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO) last-minute?
Booking your plane ticket from SUS to ITO just before your journey is generally more expensive. But if there's some wiggle room with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a SUS to ITO flight and hotel package?
Compared with arranging flights and hotels separately, booking a SUS to ITO flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of travel planning. Just secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Spirit of St. Louis Airport (SUS) to Hilo Intl. Airport (ITO)?
Typically, it's possible to reschedule or cancel your SUS to ITO flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Spirit of St. Louis
Destination airport
Hilo Intl.
Distance
4014 mi

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St. Louis to Hilo Flights

The cheapest times to fly from St. Louis to Hilo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Hilo are during the month of . You can find some of the cheapest flights from St. Louis to Hilo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Hilo

Sunday is one of the best days to book for cheap flights from St. Louis to Hilo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Hilo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Hilo in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Hilo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Hilo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Hilo Flights

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*Available to One Key members.