$892 Cheap Flights from Osaka (ITM) to Rapid City (RAP)

View $892 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Itami Airport (ITM) to Rapid City Regional Airport (RAP)

Cheap Flights from Osaka to Rapid City (ITM-RAP)

Prices were available within the past 7 days and start at $892 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Osaka (ITM) to Rapid City (RAP)
Origin airport
Itami
Destination airport
Rapid City Regional
Distance
5868 mi

Osaka to Rapid City Flights

The cheapest times to fly from Osaka to Rapid City

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 Osaka to Rapid City are during the month of . You can find some of the cheapest flights from Osaka to Rapid City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Osaka to Rapid City

Sunday is one of the best days to book for cheap flights from Osaka to Rapid City: 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 Osaka to Rapid City

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 Osaka to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $892 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 Osaka to Rapid City 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 Osaka to Rapid City 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 is a flight from Itami Airport (ITM) to RAP?
The lowest price advertised for a round-trip flight from Itami Airport to Rapid City Regional Airport (RAP) is . But you better act soon. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Itami Airport (ITM) to Rapid City Regional Airport?
The majority of flights can be conveniently canceled online, but whether you are charged a fee differs between airlines. If you do need to cancel your vacation, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Itami Airport to Rapid City Regional Airport (RAP) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Itami Airport to Rapid City Regional Airport (RAP) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ITM to Rapid City Regional Airport (RAP)?
You'll have 5904 mi to cover on the long-haul Itami to Rapid City route. Dress in layers of comfortable clothes and consider taking a travel pillow with you.
Which airlines fly direct from Itami Airport to Rapid City Regional Airport (RAP)?
There are no direct flights, so you'll have to make at least one stop between Itami Airport (ITM) and Rapid City Regional Airport (RAP). Use the layover time to stretch your legs and enjoy some personal space.
Are Itami Airport (ITM) to RAP flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some of the cheapest airfares from Itami Airport to Rapid City Regional Airport popping up a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices that far in advance.

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*Available to One Key members.