What are the cheapest airlines flying from Sioux Falls to Sydney round-trip?

According to our current data, United Airlines ($1,332), Delta ($1,348), and American Airlines ($1,349) offers the cheapest pricing from Sioux Falls to Sydney.

What is the cheapest month to book a flight from Sioux Falls to Sydney?

Currently, February is the cheapest month in which you can book a flight from Sioux Falls to Sydney (average of $1,040). Flying from Sioux Falls to Sydney in December is currently the most expensive (average of $1,630). 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.

What is the cheapest day to fly from Sioux Falls to Sydney?

Travelers seeking maximum savings on their Sioux Falls to Sydney flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest day to fly round-trip from Sioux Falls to Sydney?

Monday is generally a great day to depart. Flying on this day could help you save up to 72%.

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

One of the essential ways to save on airfare from Sioux Falls to Sydney is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 13% on airfare.

Can I find deals for flights from Sioux Falls to Sydney that include hotel bookings?

Yes. In addition to deals on Sioux Falls to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sioux Falls to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Sydney.

Can I find deals for business class flights from Sioux Falls to Sydney?

Yes. Cheapflights offers flight deals from Sioux Falls 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.

$1,332+ Flights from Sioux Falls to Sydney

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Cheap flight deals from Sioux Falls to Sydney

Round-trip from	$1,332 (United Airlines)

From Sioux Falls Joe Foss Field to Sydney Kingsford Smith

Search Deals

Find flight deals from Sioux Falls to Sydney

Cheapest flights from Sioux Falls to Sydney
Explore the most affordable flight options available from Sioux Falls to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Thu 8/145:10 pmFSD - SYD

2 stops22h 45mUnited Airlines

Thu 8/219:30 amSYD - FSD

2 stops29h 10mUnited Airlines

Deal found 6/30

$1,332

Wed 8/276:04 pmFSD - SYD

2 stops45h 31mDelta

Sun 8/319:25 amSYD - FSD

2 stops29h 21mDelta

Deal found 6/30

$1,348

Tue 10/2112:34 pmFSD - SYD

2 stops27h 31mAmerican Airlines

Tue 11/411:15 amSYD - FSD

2 stops22h 17mAmerican Airlines

Deal found 6/30

$1,349

Tue 10/212:50 pmFSD - SYD

2 stops24h 40mMultiple Airlines

Tue 11/42:20 pmSYD - FSD

1 stop19h 31mMultiple Airlines

Deal found 6/30

$1,800

Tue 10/215:05 pmFSD - SYD

1 stop21h 50mQantas Airways

Tue 11/42:20 pmSYD - FSD

1 stop19h 31mQantas Airways

Deal found 6/30

$1,898

Best flights from Sioux Falls to Sydney
Discover carefully curated flight deals from Sioux Falls to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Thu 8/145:10 pmFSD - SYD

2 stops22h 45mUnited Airlines

Thu 8/219:30 amSYD - FSD

2 stops29h 10mUnited Airlines

Deal found 6/30

$1,332

Wed 8/276:04 pmFSD - SYD

2 stops45h 31mDelta

Sun 8/319:25 amSYD - FSD

2 stops29h 21mDelta

Deal found 6/30

$1,348

Tue 10/2112:34 pmFSD - SYD

2 stops27h 31mAmerican Airlines

Tue 11/411:15 amSYD - FSD

2 stops22h 17mAmerican Airlines

Deal found 6/30

$1,349

Tue 10/2112:34 pmFSD - SYD

3 stops26h 56mMultiple Airlines

Tue 11/42:20 pmSYD - FSD

3 stops24h 48mMultiple Airlines

Deal found 6/30

$1,800

Tue 10/215:05 pmFSD - SYD

1 stop21h 50mQantas Airways

Tue 11/42:20 pmSYD - FSD

1 stop19h 31mQantas Airways

Deal found 6/30

$1,898

Last-minute flights from Sioux Falls to Sydney
Discover last-minute flight deals from Sioux Falls to Sydney. Data last updated July 1, 2025 and is based on user searches.

Mon 7/2812:33 pmFSD - SYD

2 stops27h 32mAmerican Airlines

Thu 8/149:10 amSYD - FSD

2 stops22h 25mAmerican Airlines

Deal found 6/30

$1,349

Mon 7/285:11 pmFSD - SYD

1 stop22h 44mQantas Airways

Thu 8/1412:10 pmSYD - FSD

1 stop19h 25mQantas Airways

Deal found 7/1

$2,391

Thu 8/1411:55 amFSD - SYD

2 stops28h 00mUnited Airlines

Thu 8/219:30 amSYD - FSD

2 stops29h 10mUnited Airlines

Deal found 6/30

$1,332

Thu 8/141:28 pmFSD - SYD

3 stops27h 02mMultiple Airlines

Thu 8/2112:10 pmSYD - FSD

2 stops27h 18mMultiple Airlines

Deal found 6/30

$2,600

Wed 8/276:04 pmFSD - SYD

2 stops45h 31mDelta

Sun 8/319:25 amSYD - FSD

2 stops29h 21mDelta

Deal found 6/30

$1,348

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsSydney

FSD - SYD

FSDSYD

Sioux Falls Joe Foss Field

Thu 8/14

5:10 pm-6:55 am

2 stops22h 45m

Sydney Kingsford Smith

Thu 8/21

9:30 am-11:40 pm

2 stops29h 10m

$1,332

Sioux FallsSydney

FSD - SYD

FSDSYD

Sioux Falls Joe Foss Field

Wed 8/27

6:04 pm-6:35 am

2 stops45h 31m

Sydney Kingsford Smith

Sun 8/31

9:25 am-11:46 pm

2 stops29h 21m

$1,348

Sioux FallsSydney

FSD - SYD

FSDSYD

Sioux Falls Joe Foss Field

Tue 10/21

12:34 pm-8:05 am

2 stops27h 31m

Sydney Kingsford Smith

Tue 11/4

11:15 am-4:32 pm

2 stops22h 17m

$1,349

Sioux FallsSydney

FSD - SYD

FSDSYD

Sioux Falls Joe Foss Field

Tue 10/21

12:34 pm-7:30 am

3 stops26h 56m

Sydney Kingsford Smith

Tue 11/4

2:20 pm-10:08 pm

3 stops24h 48m

$1,800

Sioux FallsSydney

FSD - SYD

FSDSYD

Sioux Falls Joe Foss Field

Tue 10/21

5:05 pm-6:55 am

1 stop21h 50m

Sydney Kingsford Smith

Tue 11/4

2:20 pm-4:51 pm

1 stop19h 31m

$1,898

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Sioux Falls to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Sioux Falls 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.

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Delta, Qantas Airways, and United Airlines from Sioux Falls to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,973 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Qantas Airways

7.5

Good

870 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,858 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Sioux Falls to Sydney round-trip?
According to our current data, United Airlines ($1,332), Delta ($1,348), and American Airlines ($1,349) offers the cheapest pricing from Sioux Falls to Sydney.
Can I find deals for flights from Sioux Falls to Sydney that include hotel bookings?
Yes. In addition to deals on Sioux Falls to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Sydney.
Can I find deals for business class flights from Sioux Falls to Sydney?
Yes. Cheapflights offers flight deals from Sioux Falls 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 Sioux Falls to Sydney?
Currently, February is the cheapest month in which you can book a flight from Sioux Falls to Sydney (average of $1,040). Flying from Sioux Falls to Sydney in December is currently the most expensive (average of $1,630). 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

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$1,332+ Cheap flights from Sioux Falls (FSD) 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to Sydney

Round-trip from

Find flight deals from Sioux Falls to Sydney

Cheapest flights from Sioux Falls to SydneyExplore the most affordable flight options available from Sioux Falls to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Explore the most affordable flight options available from Sioux Falls to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Sydney that are best for you.

Best time to book a flight from Sioux Falls to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Sioux Falls with our price prediction graph.

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 July 1, 2025.

Get a feel of what it's like to fly with Delta, Qantas Airways, and United Airlines from Sioux Falls to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls 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 Sioux Falls to Sydney round-trip?

Can I find deals for flights from Sioux Falls to Sydney that include hotel bookings?

How can I find direct flights from Sioux Falls to Sydney?

Can I find deals for business class flights from Sioux Falls to Sydney?

What is the cheapest month to book a flight from Sioux Falls to Sydney?

Traveling to a place near Sioux Falls?

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Alternative routes for Sioux Falls to Sydney

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Cheapest flights from Sioux Falls to Sydney
Explore the most affordable flight options available from Sioux Falls to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.