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$2,329+ Cheap flights from St. Louis (STL) 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PER
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from St. Louis to Perth

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

January

Cheapest in

February

Average price

$1,895

Round-trip from

$2,329
(oojo)
Provider with most accurate pricing for Lambert-St Louis-Perth flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Perth flights.
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High demand for flights, 45% potential price rise
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Best time to find cheap flights, 24% potential price drop
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Average for round-trip flights in November 2024
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From Lambert-St Louis to Perth
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Find flight deals from St. Louis to Perth

Best flights from St. Louis to Perth
Discover carefully curated flight deals from St. Louis to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2024.

This oojo deal was found by Cheapflights users on 11/20. 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.
Mon 12/237:00 amSTL - PER
2 stops45h 45mQatar Airways
Sat 12/2810:45 pmPER - STL
2 stops39h 14mQatar Airways
Deal found 11/20$2,329
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/237:00 amSTL - PER
2 stops45h 45mMultiple Airlines
Sat 12/2810:55 pmPER - STL
3 stops34h 35mMultiple Airlines
Deal found 11/20$3,301
This StudentUniverse deal was found by Cheapflights users on 11/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/411:10 amSTL - PER
2 stops39h 45mAir New Zealand
Sat 1/113:20 pmPER - STL
3 stops80h 35mAir New Zealand
Deal found 11/20$3,808
This oojo deal was found by Cheapflights users on 11/20. 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.
Mon 12/236:30 amSTL - PER
2 stops50h 15mCathay Pacific
Fri 12/2712:15 amPER - STL
2 stops31h 42mCathay Pacific
Deal found 11/20$3,913
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:30 amSTL - PER
3 stops39h 55mQantas Airways
Sat 12/285:35 amPER - STL
3 stops31h 52mQantas Airways
Deal found 11/20$4,101

Find flights from St. Louis to Perth within your budget

Customize your flight search to find flights from St. Louis 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 12/23

7:00 am-6:45 pm

2 stops45h 45m

Perth

Sat 12/28

10:45 pm-11:59 pm

2 stops39h 14m

$2,329

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 12/23

7:00 am-6:45 pm

2 stops45h 45m

Perth

Sat 12/28

10:55 pm-7:30 pm

3 stops34h 35m

$3,301

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Sat 1/4

11:10 am-4:55 pm

2 stops39h 45m

Perth

Sat 1/11

3:20 pm-9:55 am

3 stops80h 35m

$3,808

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 12/23

6:30 am-10:45 pm

2 stops50h 15m

Perth

Fri 12/27

12:15 am-5:57 pm

2 stops31h 42m

$3,913

St. LouisPerth

STL - PER

STLPER

Lambert-St Louis

Mon 12/23

6:30 am-12:25 pm

3 stops39h 55m

Perth

Sat 12/28

5:35 am-11:27 pm

3 stops31h 52m

$4,101

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Compare providers for flights from St. Louis 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 St. Louis to Perth in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 St. Louis-Perth flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Perth flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Perth flights, Cheapflights users trust AranGrant the most. AranGrant 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 St. Louis-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 St. Louis to Perth

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

Travel insights for flights from St. Louis to Perth

Get recent, data-driven insights about flights from St. Louis to Perth including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from STL to PER?

Find hourly flight availability from St. Louis to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Unlike in the evening, when flights are generally more expensive, you can save up to 15% on flights from St. Louis to Perth by exploring options for tickets in the morning.

Rainfall in Perth by month

Plan your trip to Perth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Perth ranges from 0.0 - 6.7 inches per month. June is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Perth when rainfall is around 0.0 in.

Temperature in Perth by month

Plan your trip to Perth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Perth, 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 75.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 53.6 F).

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 November 20, 2024.
Air New Zealand
8.1
Very good
529 reviews

Overall

8.1

Crew

8.6

Entertainment

7.6

Food

7.4

Comfort

8.0

Boarding

8.2

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

Air New Zealand
8.1
Very good
529 reviews
Air New Zealand
8.1
Very good
529 reviews

Overall

8.1

Crew

8.6

Entertainment

7.6

Food

7.4

Comfort

8.0

Boarding

8.2

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

Cathay Pacific
7.6
Good
878 reviews
Air New Zealand
8.1
Very good
529 reviews

Overall

8.1

Crew

8.6

Entertainment

7.6

Food

7.4

Comfort

8.0

Boarding

8.2

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

Qantas Airways
7.6
Good
820 reviews
Air New Zealand
8.1
Very good
529 reviews

Overall

8.1

Crew

8.6

Entertainment

7.6

Food

7.4

Comfort

8.0

Boarding

8.2

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

Qatar Airways
7.5
Good
3,831 reviews
Air New Zealand
8.1
Very good
529 reviews

Overall

8.1

Crew

8.6

Entertainment

7.6

Food

7.4

Comfort

8.0

Boarding

8.2

Reviews

1 / 10

The crew was great, the seats were comfy but in need of better lumbar support. I was disappointed in the movie selection. No classics, a lot of sci-fi/fantasy that hold no interest for me. All in all, B+ rating.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Perth. 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 St. Louis to Perth round-trip?

    Flying on Qatar Airways is currently your cheapest option to Perth, with prices starting at $2,329. Additional round-trip tickets that might be worth considering are offered by Air New Zealand and Cathay Pacific, with the lowest prices starting at $3,808 and $3,913, respectively.

  • Can I find deals for flights from St. Louis to Perth that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Perth?

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

  • Can I find deals for business class flights from St. Louis to Perth?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Perth?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Perth (average of $1,511). Flying from St. Louis to Perth in December is currently the most expensive (average of $1,931). 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.

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Alternative routes for St. Louis to Perth

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

Top 3 airlines flying from St. Louis to Perth

Discover the top 3 airlines that operate flights from St. Louis to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,559Average$1,715FlexibilityNo cancel feeOn-time68%
Qantas AirwaysCheapest$1,691Average$2,137FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,928Average$1,936FlexibilityNo cancel feeOn-time69%
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