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$1,730+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SYD
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap flight deals from Rapid City to Sydney

Best flights from Rapid City to Sydney
Discover carefully curated flight deals from Rapid City to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 17, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Sat 4/186:20 amRAP - SYD
2 stops32h 15mDelta
Fri 4/249:15 amSYD - RAP
2 stops28h 43mDelta
Deal found 12/16$1,730
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Sat 2/215:40 pmRAP - SYD
2 stops43h 20mUnited Airlines
Wed 2/2511:20 amSYD - RAP
2 stops25h 34mUnited Airlines
Deal found 12/14$2,119
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 4/1812:36 pmRAP - SYD
1 stop26h 19mAmerican Airlines
Fri 4/249:10 amSYD - RAP
2 stops27h 09mAmerican Airlines
Deal found 12/16$2,252
This Qatar Airways deal was found by Cheapflights users on 12/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:46 amRAP - SYD
2 stops37h 24mMultiple Airlines
Fri 4/241:45 pmSYD - RAP
3 stops46h 34mMultiple Airlines
Deal found 12/16$3,096

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 December 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,201
(American Airlines)
Provider with most accurate pricing for Rapid City-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Sydney Kingsford Smith flights.
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From Rapid City to Sydney Kingsford Smith
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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 December 17, 2025.
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

Sat 4/18

6:20 am-6:35 am

2 stops32h 15m

Sydney Kingsford Smith

Fri 4/24

9:15 am-9:58 pm

2 stops28h 43m

$1,730

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 2/21

5:40 pm-7:00 am

2 stops43h 20m

Sydney Kingsford Smith

Wed 2/25

11:20 am-6:54 pm

2 stops25h 34m

$2,119

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 4/18

12:36 pm-6:55 am

1 stop26h 19m

Sydney Kingsford Smith

Fri 4/24

9:10 am-8:19 pm

2 stops27h 09m

$2,252

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 4/18

11:46 am-5:10 pm

2 stops37h 24m

Sydney Kingsford Smith

Fri 4/24

1:45 pm-8:19 pm

3 stops46h 34m

$3,096

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 AranGrant the most. AranGrant 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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Sydney

What is the cheapest time of day to fly from RAP to SYD?

Find hourly flight availability from Rapid City to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Rapid City to Sydney in the evening. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the afternoon.

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 26h 19m. 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
Coogee

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