Cheap flights from St. Louis (STL) to Perth (PER)

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How to find the cheapest flight from
St. Louis (STL) to Perth (PER)

All the information you need to plan the best STL to PER flight in 2022: compare St. Louis to Perth flight prices with the expected peak season, weather and rainfall in Perth.
When is the cheapest time to fly from St. Louis to Perth (STL - PER)?

When flying from St. Louis to Perth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Lambert-St Louis to Perth 2022 flight deals

Cheap flights to Perth from St. Louis found for this year
25 Aug - 27 Sep
$1,736pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
PER
Perth
PER
Perth
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
25 Aug - 25 Sep
$1,792pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
PER
Perth
PER
Perth
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
18 Oct - 25 Oct
$1,851pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
PER
Perth
PER
Perth
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Perth</span> flights.

Flight FAQs

From St. Louis to Perth

Which airlines flying from Lambert-St Louis to Perth have flexible changes due to COVID-19?

One of the carriers operating flights from Lambert-St Louis to Perth that may be offering flexible change policies is Qantas Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from St. Louis to Perth for under $1,800 on Cheapflights?

Yes, there are multiple flights from St. Louis to Perth for under $1,800. The cheapest flight booked recently is on Multiple Airlines for just $1,736, but on average you can expect to pay $2,146.

What are the cheapest flights from St. Louis to Perth?

While on average a flight from St. Louis to Perth is generally $2,487, our data shows the cheapest flight currently is $2,487. When looking at the most popular route, (Lambert-St Louis - Perth), you can expect to pay $1,792 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Perth, Australia

Do I need a COVID test to fly to Perth from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Perth

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Perth.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Perth.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Perth.

Documents
Travel Authorization Form - Travelers who are not in an exempt category may request an individual exemption to Australia's travel restrictions using this form.

Digital Passenger Declaration - You can start a DPD seven days before your flight to Australia, but you can only submit a DPD within 72 hours before your departure.


Do I need a test to fly back to St. Louis from Perth?

Returning to Lambert-St Louis from Perth

COVID-19 testing requirements
Visitors from Perth must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Perth are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Perth, Australia

Destination information for Perth

Things to know before you go - useful duration and weather info for your trip from St. Louis to Perth.
Today's exchange rate
$1 = $1.42
Average temperature for May in Perth
71.6 °F
Avg rainfall for May in Perth
3.6 ″

Airports servicing St. Louis

Airports servicing Perth