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Perth

$1,830+ Cheap flights from Louisville (SDF) to Perth (PER)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PER
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Louisville to Perth

Cheapest flights from Louisville to Perth
Explore the most affordable flight options available from Louisville to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:30 pm
SDF
-
PER
2 stops41h 15m
Qatar Airways
Wed 3/183:55 pm
PER
-
SDF
2 stops56h 54m
Qatar Airways
Deal found 1/25$1,830
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 3/119:15 am
SDF
-
PER
2 stops38h 05m
United Airlines
Wed 3/1811:45 pm
PER
-
SDF
3 stops50h 34m
United Airlines
Deal found 1/25$1,929
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/149:15 am
SDF
-
PER
2 stops40h 15m
United Airlines
Wed 2/1810:55 pm
PER
-
SDF
2 stops33h 56m
United Airlines
Deal found 1/26$2,019
This Qatar Airways deal was found by Cheapflights users on 1/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/143:49 pm
SDF
-
PER
2 stops37h 56m
Qatar Airways
Wed 2/1810:45 pm
PER
-
SDF
2 stops53h 18m
Qatar Airways
Deal found 1/25$2,150

Find flight deals from Louisville to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Perth (PER). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,830
(oojo)
Provider with most accurate pricing for Louisville Intl-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Perth flights.
Search Deals
From Louisville Intl to Perth
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Perth 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 January 27, 2026.
Use the filters below to find and compare flights from Louisville to Perth that are best for you.

Fly from

Louisville

Fly to

Perth

Route

Depart

Return

Price

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Wed 3/11

1:30 pm-6:45 pm

2 stops41h 15m

Perth

Wed 3/18

3:55 pm-12:49 pm

2 stops56h 54m

$1,830

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Wed 3/11

9:15 am-11:20 am

2 stops38h 05m

Perth

Wed 3/18

11:45 pm-2:19 pm

3 stops50h 34m

$1,929

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sat 2/14

9:15 am-2:30 pm

2 stops40h 15m

Perth

Wed 2/18

10:55 pm-7:51 pm

2 stops33h 56m

$2,019

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sat 2/14

3:49 pm-6:45 pm

2 stops37h 56m

Perth

Wed 2/18

10:45 pm-3:03 pm

2 stops53h 18m

$2,150

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from Louisville to Perth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Perth in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Perth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Louisville 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.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Louisville to Perth?

    Qatar Airways and United Airlines can get you from Louisville to Perth in just under 38h 05m. Your travel time can differ by up to 3h 10m. Airlines will cover a distance of 11132 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Louisville to Perth that include hotel bookings?

    Yes. In addition to deals on Louisville to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Perth?

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

  • Can I find deals for business class flights from Louisville to Perth?

    Yes. Cheapflights offers flight deals from Louisville to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Rottnest Island
Scarborough

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