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Cheap flights from Rapid City to Sydney from $1,336

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 4/28. 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

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Find the cheapest flights from Rapid City to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:57 pm - 6:55 am
RAP
-
SYD
21h 58m
1 stop
American Airlines Logo
12:00 pm - 4:27 pm
SYD
-
RAP
20h 27m
1 stop
$1,336American Airlines
Tue, Apr 28 - Tue, May 5
American Airlines Logo
1:08 pm - 7:30 am
RAP
-
SYD
26h 22m
2 stops
American Airlines Logo
9:10 am - 4:27 pm
SYD
-
RAP
23h 17m
2 stops
$1,340American Airlines
Tue, Apr 28 - Tue, May 5
Delta Logo
10:58 am - 6:50 am
RAP
-
SYD
27h 52m
2 stops
Delta Logo
9:15 am - 3:15 pm
SYD
-
RAP
22h 00m
2 stops
$1,713Delta
Sat, Apr 25 - Sat, May 2
American Airlines Logo
1:08 pm - 6:55 am
RAP
-
SYD
25h 47m
1 stop
American Airlines Logo
9:10 am - 4:27 pm
SYD
-
RAP
23h 17m
2 stops
$1,716American Airlines
Sat, Apr 25 - Sat, May 2
United Airlines Logo
1:00 pm - 6:55 am
RAP
-
SYD
25h 55m
2 stops
United Airlines Logo
10:20 am - 7:02 pm
SYD
-
RAP
24h 42m
2 stops
$2,115United Airlines
Fri, Apr 24 - Tue, Apr 28
United Airlines Logo
10:55 am - 7:00 am
RAP
-
SYD
28h 05m
2 stops
United Airlines Logo
9:30 am - 2:55 pm
SYD
-
RAP
21h 25m
2 stops
$2,263United Airlines
Fri, Apr 24 - Tue, Apr 28
Multiple Airlines Logo
1:08 pm - 7:30 am
RAP
-
SYD
26h 22m
3 stops
Multiple Airlines Logo
9:25 pm - 12:38 pm
SYD
-
RAP
31h 13m
2 stops
$2,310Multiple Airlines
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
1:08 pm - 7:30 am
RAP
-
SYD
26h 22m
3 stops
Multiple Airlines Logo
6:25 am - 9:58 pm
SYD
-
RAP
31h 33m
3 stops
$2,526Multiple Airlines
Tue, Apr 28 - Tue, May 5
Multiple Airlines Logo
1:08 pm - 7:30 am
RAP
-
SYD
26h 22m
2 stops
Multiple Airlines Logo
6:25 am - 9:58 pm
SYD
-
RAP
31h 33m
3 stops
$2,656Multiple Airlines
Sat, Apr 25 - Sat, May 2
Delta Logo
10:40 am - 6:50 am
RAP
-
SYD
28h 10m
2 stops
Delta Logo
10:40 am - 10:09 pm
SYD
-
RAP
29h 29m
2 stops
$5,559Delta
Mon, Aug 10 - Tue, Nov 10

American Airlines flights from Rapid City to Sydney

Our best American Airlines deals on Rapid City to Sydney flight tickets
American Airlines
Apr 28
RAP4:57 pmRapid City
21h 58m
1 stop
SYD6:55 amSydney Kingsford Smith
May 5
SYD12:00 pmSydney Kingsford Smith
20h 27m
1 stop
RAP4:27 pmRapid City
$1,336
American Airlines
Apr 28
RAP1:08 pmRapid City
26h 22m
2 stops
SYD7:30 amSydney Kingsford Smith
May 5
SYD9:10 amSydney Kingsford Smith
23h 17m
2 stops
RAP4:27 pmRapid City
$1,340
American Airlines
Apr 25
RAP1:08 pmRapid City
25h 47m
1 stop
SYD6:55 amSydney Kingsford Smith
May 2
SYD9:10 amSydney Kingsford Smith
23h 17m
2 stops
RAP4:27 pmRapid City
$1,716

United Airlines flights from Rapid City to Sydney

Our best United Airlines deals on Rapid City to Sydney flight tickets
United Airlines
Apr 24
RAP1:00 pmRapid City
25h 55m
2 stops
SYD6:55 amSydney Kingsford Smith
Apr 28
SYD10:20 amSydney Kingsford Smith
24h 42m
2 stops
RAP7:02 pmRapid City
$2,115
United Airlines
Apr 24
RAP10:55 amRapid City
28h 05m
2 stops
SYD7:00 amSydney Kingsford Smith
Apr 28
SYD9:30 amSydney Kingsford Smith
21h 25m
2 stops
RAP2:55 pmRapid City
$2,263
United Airlines
Aug 10
RAP7:00 amRapid City
32h 00m
2 stops
SYD7:00 amSydney Kingsford Smith
Nov 10
SYD11:20 amSydney Kingsford Smith
28h 48m
2 stops
RAP10:08 pmRapid City
$7,234

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 March 15, 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
Quickest round-trip

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Tue 4/28

4:57 pm-6:55 am

1 stop21h 58m

Sydney Kingsford Smith

Tue 5/5

12:00 pm-4:27 pm

1 stop20h 27m

$1,336

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Tue 4/28

1:08 pm-7:30 am

2 stops26h 22m

Sydney Kingsford Smith

Tue 5/5

9:10 am-4:27 pm

2 stops23h 17m

$1,340

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 4/25

10:58 am-6:50 am

2 stops27h 52m

Sydney Kingsford Smith

Sat 5/2

9:15 am-3:15 pm

2 stops22h 00m

$1,713

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 4/25

1:08 pm-6:55 am

1 stop25h 47m

Sydney Kingsford Smith

Sat 5/2

9:10 am-4:27 pm

2 stops23h 17m

$1,716

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 4/24

1:00 pm-6:55 am

2 stops25h 55m

Sydney Kingsford Smith

Tue 4/28

10:20 am-7:02 pm

2 stops24h 42m

$2,115

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Fri 4/24

10:55 am-7:00 am

2 stops28h 05m

Sydney Kingsford Smith

Tue 4/28

9:30 am-2:55 pm

2 stops21h 25m

$2,263

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Tue 4/28

1:08 pm-7:30 am

3 stops26h 22m

Sydney Kingsford Smith

Tue 5/5

9:25 pm-12:38 pm

2 stops31h 13m

$2,310

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Tue 4/28

1:08 pm-7:30 am

3 stops26h 22m

Sydney Kingsford Smith

Tue 5/5

6:25 am-9:58 pm

3 stops31h 33m

$2,526

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Sat 4/25

1:08 pm-7:30 am

2 stops26h 22m

Sydney Kingsford Smith

Sat 5/2

6:25 am-9:58 pm

3 stops31h 33m

$2,656

Rapid CitySydney

RAP - SYD

RAPSYD

Rapid City

Mon 8/10

10:40 am-6:50 am

2 stops28h 10m

Sydney Kingsford Smith

Tue 11/10

10:40 am-10:09 pm

2 stops29h 29m

$5,559

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

24h 08m

Direct flights

None
The fastest flight from Rapid City to Sydney takes 24h 08m
There are no direct flights from Rapid City to Sydney. There are no popular flight routes from Rapid City to Sydney.
Search flight deals

  • 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 24h 08m 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.

  • 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
Bondi Beach
Katoomba
Parramatta
Wollongong
Penrith
Coogee
Manly
Randwick
Leura
Lithgow
Cronulla
Charlestown
Terrigal
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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