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Cheap flights from Rapid City to Sydney from $1,511

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Sydney departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Rapid City to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
8:35 am - 9:05 am
RAP
-
SYD
30h 30m
2 stops
Air New Zealand Logo
12:10 pm - 2:43 pm
SYD
-
RAP
20h 33m
2 stops
$1,511Air New Zealand
Fri, Nov 20 - Fri, Nov 27
American Airlines Logo
5:34 am - 6:35 am
RAP
-
SYD
31h 01m
2 stops
American Airlines Logo
2:05 pm - 9:17 pm
SYD
-
RAP
25h 12m
1 stop
$1,604American Airlines
Fri, Nov 20 - Fri, Nov 27
United Airlines Logo
1:00 pm - 6:55 am
RAP
-
SYD
25h 55m
2 stops
United Airlines Logo
10:20 am - 5:06 pm
SYD
-
RAP
22h 46m
2 stops
$2,263United Airlines
Sat, Aug 15 - Wed, Aug 19
American Airlines Logo
2:20 pm - 6:55 am
RAP
-
SYD
22h 35m
1 stop
American Airlines Logo
2:05 pm - 9:17 pm
SYD
-
RAP
25h 12m
1 stop
$2,409American Airlines
Fri, Nov 20 - Fri, Nov 27
Multiple Airlines Logo
5:34 am - 6:25 am
RAP
-
SYD
30h 51m
3 stops
Multiple Airlines Logo
11:15 am - 9:17 pm
SYD
-
RAP
28h 02m
2 stops
$3,659Multiple Airlines
Fri, Nov 20 - Fri, Nov 27
Multiple Airlines Logo
5:34 am - 6:25 am
RAP
-
SYD
30h 51m
3 stops
Multiple Airlines Logo
10:20 am - 9:17 pm
SYD
-
RAP
28h 57m
3 stops
$3,980Multiple Airlines
Fri, Nov 20 - Fri, Nov 27

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American Airlines flights from Rapid City to Sydney

Our best American Airlines deals on Rapid City to Sydney flight tickets
American Airlines
Nov 20
RAP5:34 amRapid City
31h 01m
2 stops
SYD6:35 amSydney Kingsford Smith
Nov 27
SYD2:05 pmSydney Kingsford Smith
25h 12m
1 stop
RAP9:17 pmRapid City
$1,604
American Airlines
Nov 20
RAP2:20 pmRapid City
22h 35m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 27
SYD2:05 pmSydney Kingsford Smith
25h 12m
1 stop
RAP9:17 pmRapid City
$2,409

momondo 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, momondo users made 832,500 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Rapid City to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 11/20

8:35 am-9:05 am

2 stops30h 30m

Sydney Kingsford Smith

Fri 11/27

12:10 pm-2:43 pm

2 stops20h 33m

$1,511

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 11/20

5:34 am-6:35 am

2 stops31h 01m

Sydney Kingsford Smith

Fri 11/27

2:05 pm-9:17 pm

1 stop25h 12m

$1,604

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 8/15

1:00 pm-6:55 am

2 stops25h 55m

Sydney Kingsford Smith

Wed 8/19

10:20 am-5:06 pm

2 stops22h 46m

$2,263
Quickest round-trip

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 11/20

2:20 pm-6:55 am

1 stop22h 35m

Sydney Kingsford Smith

Fri 11/27

2:05 pm-9:17 pm

1 stop25h 12m

$2,409

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 11/20

5:34 am-6:25 am

3 stops30h 51m

Sydney Kingsford Smith

Fri 11/27

11:15 am-9:17 pm

2 stops28h 02m

$3,659

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 11/20

5:34 am-6:25 am

3 stops30h 51m

Sydney Kingsford Smith

Fri 11/27

10:20 am-9:17 pm

3 stops28h 57m

$3,980

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Rapid City to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rapid City to Sydney (RAP to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Sydney

Fastest flight time

25h 55m

Direct flights

None
The fastest flight from Rapid City to Sydney takes 25h 55m
There are no direct flights from Rapid City to Sydney. There are no popular flight routes from Rapid City to Sydney.
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Frequently asked questions about flying from Rapid City to Sydney

  • How far is Rapid City to Sydney Kingsford Smith by plane?

    The straight-line distance from Rapid City to Sydney Kingsford Smith is 8507.4 mi. Typically, this will take 25h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Rapid City Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Rapid City Airport to Sydney Kingsford Smith Airport were last updated today.

  • How old do you have to be to fly from Rapid City Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Rapid City to Sydney

  • How do I get Price Alerts for flights from Rapid City to Sydney?

    Price Alerts will notify you by email when the price for flights to Sydney from Rapid City decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Rapid City to Sydney with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Katoomba
Bondi Beach
Penrith
Wollongong
Randwick
Leura
Lithgow
Manly
Coogee
Cronulla
Terrigal
Charlestown
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rapid City to Sydney for you.

Can I find flights from Rapid City to Sydney with flexible booking policies on momondo?

Flights from Rapid City to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Rapid City to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Rapid City.

I’m not ready to book a flight from Rapid City to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Rapid City to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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