$507 Cheap Flights from Sydney (SYD) to Rapid City (RAP)

View $507 flight on Sat, Jan 24, 2026Opens in a new window

Popular airlines from Sydney Airport (SYD) to Rapid City Regional Airport (RAP)

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Cheap Flights from Sydney to Rapid City (SYD-RAP)

Prices were available within the past 7 days and start at $507 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sydney (SYD) to Rapid City (RAP)
Origin airport
Kingsford Smith Intl.
Destination airport
Rapid City Regional
Distance
8524 mi

Sydney to Rapid City Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Sydney 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 Sydney 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 Sydney to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $507 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 Sydney 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 Sydney 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 does a flight from Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP) cost?
Snag a cheap one-way flight from $507 or cheap return flight from Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP)?
The cheapest month to fly from SYD to RAP is , when there's less demand. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from SYD to RAP. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP)?
You'll need to take a flight with a layover if you're traveling from Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SYD to RAP?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, carrier 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 Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP)?
To reach Rapid City Regional Airport (RAP) on schedule, pick a flight that takes off from Kingsford Smith Intl. Airport (SYD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP) last-minute?
Holding off until just before your departure to book a ticket from SYD to RAP often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book a SYD to RAP flight and hotel package?
Securing a SYD to RAP flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Rapid City Regional Airport (RAP)?
In most instances, you can cancel or modify your SYD to RAP flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further information, head to our Customer Service portal.

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*Available to One Key members.