Cheap flights from St. Louis (STL) to Perth (PER) from $1,029

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — PER
abr. 23 — abr. 301

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 abril 18, 2024.

Round-trip from

$1,583

One-way from

$1,029
From Lambert-St Louis to Perth
One-way flight from Lambert-St Louis to Perth

What is the cheapest day to fly round-trip from St. Louis to Perth?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 18% on the overall cost on flights from St. Louis to Perth.

When is the cheapest time to fly from St. Louis to Perth (STL - PER)?

Unlike at noon, when flights are generally more expensive, you can save up to 35% on flights from St. Louis to Perth by exploring options for tickets in the morning.

St. Louis to Perth 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Perth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated abril 18, 2024.
sáb. 11/97:00 amSTL - PER
2 stops45h 45mQatar Airways
mié. 11/1310:45 pmPER - STL
2 stops37h 51mQatar Airways
Deal found 4/17$2,387
sáb. 11/94:10 pmSTL - PER
3 stops56h 20mAir Canada
mié. 11/133:15 pmPER - STL
3 stops56h 38mAir Canada
Deal found 4/16$2,913
sáb. 11/94:17 pmSTL - PER
2 stops34h 38mUnited Airlines
mar. 11/121:10 amPER - STL
3 stops53h 25mUnited Airlines
Deal found 4/17$11,303

One-way flights to Perth from St. Louis

Search for one-way flight options from St. Louis to Perth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated abril 18, 2024.
sáb. 5/187:00 amSTL - PER
2 stops46h 35mQatar Airways
Deal found 4/18$1,029
sáb. 5/1811:39 amSTL - PER
3 stops41h 56mMultiple Airlines
Deal found 4/18$1,154

When is the cheapest time to fly from St. Louis to Perth?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Perth. Price data was last updated on April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Perth flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Perth by month

Plan your trip from St. Louis to Perth by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Perth is currently $1,092 while a round-trip flight costs $0. Price data was last updated on April 14, 2024.

Currently, March is the cheapest month in which you can book a flight from St. Louis to Perth (average of $1,583). Flying from St. Louis to Perth in July is currently the most expensive (average of $2,122). 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.

January

$1,790

February

$1,754

March

$1,583

April

$1,681

May

$1,752

June

$1,885

July

$2,122

August

$1,817

September

$1,806

October

$1,799

November

$1,680

December

$1,912

Temperature and rainfall in Perth by month

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

PER

Temperature

53.6 - 75.2 °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 abril 18, 2024.
7.7
Good
4,499 reviews

Boarding

7.8

Crew

8.2

Entertainment

7.7

Overall

7.7

Comfort

7.7

Food

7.5

Reviews

1 / 10

Service was slow in the flight from iad to doh. The entertainment was not working in the flight from doh to ccu

7.7
Good
4,499 reviews
7.7
Good
4,499 reviews

Boarding

7.8

Crew

8.2

Entertainment

7.7

Overall

7.7

Comfort

7.7

Food

7.5

Reviews

1 / 10

Service was slow in the flight from iad to doh. The entertainment was not working in the flight from doh to ccu

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 does STL to PER mean?

    Great question - STL to PER just means Lambert-St Louis Airport to Perth Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Perth that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Perth flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Perth with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Perth flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from St. Louis to Perth that allow pets onboard?

    Many airlines flying from St. Louis to Perth offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Perth?

    Yes, you can often find last-minute deals on St. Louis to Perth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Perth flight deals updated?

    The St. Louis to Perth flight deals you see on this page were last updated on 4/17.

See more FAQs

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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.

Top airline flying from St. Louis to Perth

Discover the top airline 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 3,192,047 searches. Data last updated abril 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,959Average$2,224FlexibilityNo cancel feeOn-time74%
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Search flights from St. Louis to Perth by cabin class

Find flights from St. Louis to Perth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Perth?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Perth from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Perth?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Perth.

Can Cheapflights find flights from St. Louis to Perth with no change fees?

Need flexible booking options for your flight to Perth from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Perth become cheaper?

Of course! You can now track prices for flights from St. Louis to Perth and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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