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Cheap flights from Rapid City to Sydney from $689

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Sydney departing on 8/2. 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
0 bags

Find the cheapest flights from Rapid City to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:20 am - 6:55 am
RAP
-
SYD
27h 35m
3 stops
United Airlines Logo
10:20 am - 2:46 pm
SYD
-
RAP
20h 26m
2 stops
$2,265United Airlines
Fri, Jun 5 - Tue, Jun 9
United Airlines Logo
11:20 am - 7:00 am
RAP
-
SYD
27h 40m
3 stops
United Airlines Logo
10:20 am - 3:59 pm
SYD
-
RAP
21h 39m
2 stops
$2,266United Airlines
Fri, Jun 5 - Tue, Jun 9
Qantas Airways Logo
1:08 pm - 7:05 am
RAP
-
SYD
25h 57m
2 stops
Qantas Airways Logo
9:10 am - 4:30 pm
SYD
-
RAP
23h 20m
2 stops
$9,720Qantas Airways
Wed, May 13 - Fri, Jun 5
Qantas Airways Logo
1:08 pm - 7:05 am
RAP
-
SYD
25h 57m
2 stops
Qantas Airways Logo
9:10 am - 4:30 pm
SYD
-
RAP
23h 20m
2 stops
$10,144Qantas Airways
Wed, May 13 - Sat, Jun 6
Qantas Airways Logo
11:53 am - 7:05 am
RAP
-
SYD
27h 12m
2 stops
Qantas Airways Logo
12:00 pm - 4:30 pm
SYD
-
RAP
20h 30m
1 stop
$10,487Qantas Airways
Wed, May 13 - Fri, Jun 5
Qantas Airways Logo
4:57 pm - 6:55 am
RAP
-
SYD
21h 58m
1 stop
Qantas Airways Logo
12:00 pm - 4:30 pm
SYD
-
RAP
20h 30m
1 stop
$13,266Qantas Airways
Wed, May 13 - Fri, Jun 5
Delta Logo
6:50 am - 6:50 am
RAP
-
SYD
32h 00m
2 stops
Delta Logo
9:15 am - 10:24 pm
SYD
-
RAP
29h 09m
2 stops
$13,817Delta
Thu, May 14 - Sat, Jun 6
Multiple Airlines Logo
11:53 am - 5:30 pm
RAP
-
SYD
37h 37m
2 stops
Multiple Airlines Logo
7:00 pm - 9:33 pm
SYD
-
RAP
42h 33m
3 stops
$13,986Multiple Airlines
Wed, May 13 - Fri, Jun 5
Qatar Airways Logo
11:53 am - 5:30 pm
RAP
-
SYD
37h 37m
2 stops
Qatar Airways Logo
8:45 pm - 9:33 pm
SYD
-
RAP
40h 48m
2 stops
$15,454Qatar Airways
Thu, May 14 - Thu, Jun 4
Qantas Airways Logo
4:57 pm - 6:55 am
RAP
-
SYD
21h 58m
1 stop
Qantas Airways Logo
12:00 pm - 4:30 pm
SYD
-
RAP
20h 30m
1 stop
$15,541Qantas Airways
Wed, May 13 - Thu, Jun 4

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Qantas Airways flights from Rapid City to Sydney

Our best Qantas Airways deals on Rapid City to Sydney flight tickets
Qantas Airways
May 4
RAP4:57 pmRapid City
21h 58m
1 stop
SYD6:55 amSydney Kingsford Smith
May 6
SYD12:00 pmSydney Kingsford Smith
25h 58m
1 stop
RAP9:58 pmRapid City
$3,732
Qantas Airways
May 13
RAP1:08 pmRapid City
25h 57m
2 stops
SYD7:05 amSydney Kingsford Smith
Jun 5
SYD9:10 amSydney Kingsford Smith
23h 20m
2 stops
RAP4:30 pmRapid City
$9,720
Qantas Airways
May 13
RAP1:08 pmRapid City
25h 57m
2 stops
SYD7:05 amSydney Kingsford Smith
Jun 6
SYD9:10 amSydney Kingsford Smith
23h 20m
2 stops
RAP4:30 pmRapid City
$10,144

Qatar Airways flights from Rapid City to Sydney

Our best Qatar Airways deals on Rapid City to Sydney flight tickets
Qatar Airways
May 4
RAP11:53 amRapid City
37h 37m
2 stops
SYD5:30 pmSydney Kingsford Smith
May 6
SYD8:45 pmSydney Kingsford Smith
54h 38m
2 stops
RAP11:23 amRapid City
$2,667
Qatar Airways
May 14
RAP11:53 amRapid City
37h 37m
2 stops
SYD5:30 pmSydney Kingsford Smith
Jun 4
SYD8:45 pmSydney Kingsford Smith
40h 48m
2 stops
RAP9:33 pmRapid City
$15,454
Qatar Airways
May 14
RAP11:53 amRapid City
37h 37m
2 stops
SYD5:30 pmSydney Kingsford Smith
Jun 5
SYD8:45 pmSydney Kingsford Smith
40h 48m
2 stops
RAP9:33 pmRapid City
$17,028

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 May 3, 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 6/5

11:20 am-6:55 am

3 stops27h 35m

Sydney Kingsford Smith

Tue 6/9

10:20 am-2:46 pm

2 stops20h 26m

$2,265

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 6/5

11:20 am-7:00 am

3 stops27h 40m

Sydney Kingsford Smith

Tue 6/9

10:20 am-3:59 pm

2 stops21h 39m

$2,266

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Wed 5/13

1:08 pm-7:05 am

2 stops25h 57m

Sydney Kingsford Smith

Fri 6/5

9:10 am-4:30 pm

2 stops23h 20m

$9,720

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Wed 5/13

1:08 pm-7:05 am

2 stops25h 57m

Sydney Kingsford Smith

Sat 6/6

9:10 am-4:30 pm

2 stops23h 20m

$10,144

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Wed 5/13

11:53 am-7:05 am

2 stops27h 12m

Sydney Kingsford Smith

Fri 6/5

12:00 pm-4:30 pm

1 stop20h 30m

$10,487
Quickest round-trip

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Wed 5/13

4:57 pm-6:55 am

1 stop21h 58m

Sydney Kingsford Smith

Fri 6/5

12:00 pm-4:30 pm

1 stop20h 30m

$13,266

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Thu 5/14

6:50 am-6:50 am

2 stops32h 00m

Sydney Kingsford Smith

Sat 6/6

9:15 am-10:24 pm

2 stops29h 09m

$13,817

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Wed 5/13

11:53 am-5:30 pm

2 stops37h 37m

Sydney Kingsford Smith

Fri 6/5

7:00 pm-9:33 pm

3 stops42h 33m

$13,986

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Thu 5/14

11:53 am-5:30 pm

2 stops37h 37m

Sydney Kingsford Smith

Thu 6/4

8:45 pm-9:33 pm

2 stops40h 48m

$15,454

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Wed 5/13

4:57 pm-6:55 am

1 stop21h 58m

Sydney Kingsford Smith

Thu 6/4

12:00 pm-4:30 pm

1 stop20h 30m

$15,541

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Rapid City to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Rapid City to Sydney Kingsford Smith?

Delta and United Airlines are the most popular carriers operating from Rapid City to Sydney Kingsford Smith

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

23h 34m

Direct flights

None
The fastest flight from Rapid City to Sydney takes 23h 34m
There are no direct flights from Rapid City to Sydney. There are no popular flight routes from Rapid City to Sydney.
Search flight deals

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 23h 34m 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.

Traveling to a place near Sydney?

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