Cheap Flights from Sidney (SDY) to Hilo (ITO)

Popular airlines from Sidney, MT (SDY-Sidney-Richland Municipal) to Hilo Intl. Airport (ITO)

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Flights from Sidney (SDY) to Hilo (ITO)
Origin airport
Sidney-Richland Municipal
Destination airport
Hilo Intl.
Distance
3420 mi

Sidney to Hilo Flights

The cheapest times to fly from Sidney 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 Sidney to Hilo are during the month of . You can find some of the cheapest flights from Sidney to Hilo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sidney to Hilo

Sunday is one of the best days to book for cheap flights from Sidney 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 Sidney 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 Sidney to Hilo in 2026. 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 Sidney 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 Sidney 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.

 

Frequently asked questions

How much does a flight from Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO) cost?
Secure a cheap one-way flight or cheap return flight from Sidney-Richland Municipal Airport (SDY) 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 Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO)?
is the least expensive month to fly from SDY to ITO. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from SDY to ITO. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO)?
There aren't any daily nonstop flights available from Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SDY to ITO?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change based 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 Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO)?
To avoid potential delays on the Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO) route, aim to fly before 3 PM. Departures after this hour 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 Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO) last-minute?
Last-minute bookings from SDY to ITO are usually more expensive. To lock in the lowest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a SDY to ITO flight and hotel package?
You can save money by securing a SDY to ITO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sidney-Richland Municipal Airport (SDY) to Hilo Intl. Airport (ITO)?
In most instances, you can cancel or modify your SDY to ITO flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further information, go to our Customer Service portal.

*Flight schedules are subject to change.

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