$754 Cheap Flights from Rapid City (RAP) to Sydney (SYD)

View $754 flight on Wed, Apr 1, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $754 for one-way flights and $1,295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Feb 11 - Sun, Mar 1
RAP
Rapid City
SYD
Sydney
$1,295 Roundtrip, found 14 hours ago
$1,295
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Feb 11 from Rapid City to Sydney, returning Sun, Mar 1, priced at $1,295 found 14 hours ago
Delta
Wed, Jan 28 - Mon, Feb 16
RAP
Rapid City
SYD
Sydney
$1,295 Roundtrip, found 3 days ago
$1,295
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Jan 28 from Rapid City to Sydney, returning Mon, Feb 16, priced at $1,295 found 3 days ago
United
Sun, Mar 15 - Mon, Mar 30
RAP
Rapid City
SYD
Sydney
$1,310 Roundtrip, found 3 days ago
$1,310
Roundtrip
found 3 days ago
Select United flight, departing Sun, Mar 15 from Rapid City to Sydney, returning Mon, Mar 30, priced at $1,310 found 3 days ago
United
Mon, Dec 1 - Mon, Dec 15
RAP
Rapid City
SYD
Sydney
$1,310 Roundtrip, found 4 days ago
$1,310
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 1 from Rapid City to Sydney, returning Mon, Dec 15, priced at $1,310 found 4 days ago
Delta
Sat, Feb 14 - Mon, Mar 2
RAP
Rapid City
SYD
Sydney
$1,312 Roundtrip, found 14 hours ago
$1,312
Roundtrip
found 14 hours ago
Select Delta flight, departing Sat, Feb 14 from Rapid City to Sydney, returning Mon, Mar 2, priced at $1,312 found 14 hours ago
Delta
Sat, May 16 - Sun, May 31
RAP
Rapid City
SYD
Sydney
$1,329 Roundtrip, found 3 days ago
$1,329
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, May 16 from Rapid City to Sydney, returning Sun, May 31, priced at $1,329 found 3 days ago
United
Wed, Feb 11 - Fri, Feb 27
RAP
Rapid City
SYD
Sydney
$1,345 Roundtrip, found 14 hours ago
$1,345
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Feb 11 from Rapid City to Sydney, returning Fri, Feb 27, priced at $1,345 found 14 hours ago
United
Sat, Nov 29 - Mon, Dec 15
RAP
Rapid City
SYD
Sydney
$1,360 Roundtrip, found 4 days ago
$1,360
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 29 from Rapid City to Sydney, returning Mon, Dec 15, priced at $1,360 found 4 days ago
American Airlines
Sat, Feb 14 - Sat, Feb 28
RAP
Rapid City
SYD
Sydney
$1,387 Roundtrip, found 14 hours ago
$1,387
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Feb 14 from Rapid City to Sydney, returning Sat, Feb 28, priced at $1,387 found 14 hours ago
Qatar Airways
Wed, Apr 1 - Wed, Apr 8
RAP
Rapid City
SYD
Sydney
$3,471 Roundtrip, found 9 hours ago
$3,471
Roundtrip
found 9 hours ago
Select Qatar Airways flight, departing Wed, Apr 1 from Rapid City to Sydney, returning Wed, Apr 8, priced at $3,471 found 9 hours ago

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $1,312
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $1,312
Flights from Rapid City (RAP) to Sydney (SYD)
Origin airport
Rapid City Regional
Destination airport
Kingsford Smith Intl.
Airlines serving
American Airlines, Delta, Korean Air, Qatar Airways, United
Roundtrip price
$1,295
Distance
8524 mi

Rapid City to Sydney Flights

The cheapest times to fly from Rapid City to Sydney

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

 

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

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

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 Rapid City to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $754 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 Rapid City to Sydney 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 Rapid City to Sydney 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 Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD) cost?
Secure a cheap one-way flight from $754 or cheap return flight from $1,295 from Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD)?
February is the least expensive month to fly from RAP to SYD. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest RAP to SYD flight.
How many flights per day from Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD)?
There aren't any daily direct flights departing from Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from RAP to SYD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD)?
Book a flight from Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD) last-minute?
Booking your ticket from RAP to SYD shortly before your trip is generally more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a RAP to SYD flight and hotel package?
Securing a RAP to SYD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Kingsford Smith Intl. Airport (SYD)?
In most instances, you can cancel or modify your RAP to SYD flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.