HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Perth

$668+ Cheap flights from Louisville (SDF) to Perth (PER)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PER
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Perth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 31, 2025.

Round-trip from

$1,819
(United Airlines)

One-way from

$668
(Kiwi.com)
From Louisville Intl to Perth
Search Deals
One-way flight from Louisville Intl to Perth
Search Deals

Find 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 July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 11/138:00 amSDF - PER
3 stops42h 55mUnited Airlines
Mon 11/1710:55 pmPER - SDF
2 stops33h 59mUnited Airlines
Deal found 7/29$1,819

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 July 31, 2025.
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

Thu 11/13

8:00 am-3:55 pm

3 stops42h 55m

Perth

Mon 11/17

10:55 pm-7:54 pm

2 stops33h 59m

$1,819

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Wed 8/6

4:31 pm-9:15 am

3 stops52h 44m

$668

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Tue 8/5

3:34 pm-6:40 pm

2 stops39h 06m

$6,361

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. 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 Perth. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Qatar Airways and United Airlines from Louisville to Perth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,607 reviews

Crew

7.9

Entertainment

7.4

Comfort

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,607 reviews
Qatar Airways
7.4
Good
3,607 reviews

Crew

7.9

Entertainment

7.4

Comfort

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
United Airlines
7.4
Good
8,902 reviews
Qatar Airways
7.4
Good
3,607 reviews

Crew

7.9

Entertainment

7.4

Comfort

7.4

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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.

  • What is the cheapest airline to fly from Louisville to Perth round-trip?

    United Airlines, at $1,819, was found to be the cheapest airline from Louisville to Perth..

  • 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.

  • What is the cheapest month to book a flight from Louisville to Perth?

    Currently, February is the cheapest month in which you can book a flight from Louisville to Perth (average of $1,454). Flying from Louisville to Perth in December is currently the most expensive (average of $2,172). 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

Traveling to a place near Perth?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Perth

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Perth flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.