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$1,387+ Cheap flights from Rapid City (RAP) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SYD
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Cheap flight deals from Rapid City to Sydney

Cheapest flights from Rapid City to Sydney
Explore the most affordable flight options available from Rapid City to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.

This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:45 pm
RAP
-
SYD
2 stops25h 30m
United Airlines
Tue 3/242:00 pm
SYD
-
RAP
2 stops20h 11m
United Airlines
Deal found 1/30$1,387
This Delta deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1510:54 am
RAP
-
SYD
2 stops25h 56m
Delta
Wed 3/410:40 am
SYD
-
RAP
2 stops29h 47m
Delta
Deal found 1/31$1,388
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/152:21 pm
RAP
-
SYD
1 stop22h 34m
American Airlines
Wed 3/42:05 pm
SYD
-
RAP
1 stop26h 46m
American Airlines
Deal found 1/31$1,454
This American Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:32 am
RAP
-
SYD
1 stop32h 23m
American Airlines
Tue 3/246:30 am
SYD
-
RAP
2 stops24h 21m
American Airlines
Deal found 1/31$1,610
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:35 pm
RAP
-
SYD
2 stops23h 45m
United Airlines
Sun 2/1511:20 am
SYD
-
RAP
2 stops23h 47m
United Airlines
Deal found 1/30$2,125
This Qantas Airways deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:21 pm
RAP
-
SYD
3 stops29h 09m
Multiple Airlines
Tue 3/249:25 pm
SYD
-
RAP
2 stops33h 26m
Multiple Airlines
Deal found 1/31$2,312
This Qantas Airways deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:31 am
RAP
-
SYD
3 stops30h 39m
Multiple Airlines
Wed 3/45:45 pm
SYD
-
RAP
2 stops23h 06m
Multiple Airlines
Deal found 1/31$3,058

Find flight deals from Rapid City to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,387
(United Airlines)

Popular in

April

Cheapest in

May

Average price

$1,364
Provider with most accurate pricing for Rapid City-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Sydney Kingsford Smith flights.
Search Deals
From Rapid City to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
Use the filters below to find and compare flights from Rapid City to Sydney that are best for you.

Fly from

Rapid City

Fly to

Sydney

Route

Depart

Return

Price

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Tue 3/17

2:45 pm-9:15 am

2 stops25h 30m

Sydney Kingsford Smith

Tue 3/24

2:00 pm-5:11 pm

2 stops20h 11m

$1,387

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sun 2/15

10:54 am-6:50 am

2 stops25h 56m

Sydney Kingsford Smith

Wed 3/4

10:40 am-10:27 pm

2 stops29h 47m

$1,388

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sun 2/15

2:21 pm-6:55 am

1 stop22h 34m

Sydney Kingsford Smith

Wed 3/4

2:05 pm-10:51 pm

1 stop26h 46m

$1,454

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Tue 3/17

2:21 pm-6:55 am

1 stop23h 34m

Sydney Kingsford Smith

Tue 3/24

1:05 pm-10:36 pm

1 stop26h 31m

$1,454

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Tue 3/17

2:21 pm-12:30 pm

3 stops29h 09m

Sydney Kingsford Smith

Tue 3/24

9:25 pm-1:51 pm

2 stops33h 26m

$2,312

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sun 2/15

5:31 am-6:10 am

3 stops30h 39m

Sydney Kingsford Smith

Wed 3/4

5:45 pm-10:51 pm

2 stops23h 06m

$3,058

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Compare providers for flights from Rapid City to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Sydney in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rapid City-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rapid City to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rapid City to Sydney?

    Departing from Rapid City to Sydney will take you 22h 34m. Airlines will cover a distance of 8519 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Rapid City to Sydney that include hotel bookings?

    Yes. In addition to deals on Rapid City to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Sydney.

  • Can I find deals for business class flights from Rapid City to Sydney?

    Yes. Cheapflights offers flight deals from Rapid City to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly

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