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$1,156+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SYD
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap 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 August 1, 2025.

Round-trip from

$1,156
(American Airlines)
From Rapid City to Sydney Kingsford Smith
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Find 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 August 1, 2025.

This American Airlines deal was found by Cheapflights users on 7/31. 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 9/1412:32 pmRAP - SYD
2 stops25h 33mAmerican Airlines
Sun 9/219:10 amSYD - RAP
2 stops22h 58mAmerican Airlines
Deal found 7/31$1,156
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/131:35 pmRAP - SYD
2 stops25h 25mUnited Airlines
Sat 9/209:30 amSYD - RAP
2 stops23h 35mUnited Airlines
Deal found 7/30$1,185
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:12 pmRAP - SYD
2 stops49h 03mMultiple Airlines
Sat 9/209:20 amSYD - RAP
3 stops47h 29mMultiple Airlines
Deal found 7/30$2,753

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 August 1, 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

Sun 9/14

12:32 pm-6:05 am

2 stops25h 33m

Sydney Kingsford Smith

Sun 9/21

9:10 am-4:08 pm

2 stops22h 58m

$1,156

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 9/13

1:35 pm-7:00 am

2 stops25h 25m

Sydney Kingsford Smith

Sat 9/20

9:30 am-5:05 pm

2 stops23h 35m

$1,185

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 9/13

1:12 pm-6:15 am

2 stops49h 03m

Sydney Kingsford Smith

Sat 9/20

9:20 am-4:49 pm

3 stops47h 29m

$2,753

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 August 1, 2025.

A simple way to save on the total cost of your ticket is to fly from Rapid City to Sydney in the morning. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated August 1, 2025.
Read through reviews of airlines operating flights from Rapid City to Sydney, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,900 reviews
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,900 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines flying from Rapid City to Sydney round-trip?

    American Airlines, at $1,156, was found to be the cheapest airline from Rapid City to Sydney. An alternate airline flying to your destination would be United Airlines.

  • 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.

  • What is the cheapest month to book a flight from Rapid City to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Rapid City to Sydney (average of $1,028). Flying from Rapid City to Sydney in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Sydney?

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

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