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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

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 2021: compare St Louis to Perth flight prices with the expected peak season, weather and rainfall in Perth.
What is the cheapest day to fly round-trip from St Louis to Perth?

Leaving on a Thursday 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 39% on the overall cost on flights from St Louis to Perth.

What is the cheapest month to fly from St Louis to Perth?

June is one of the best times of the year to fly to Perth from St Louis. Prices for June average $1,237 per person but you can even find prices for as low as $640. The most expensive prices can be found in the month of September. Opting for a June flight can save you 38% on your journey compared to booking in June

St Louis to Perth 2021 flight deals

Cheap flights to Perth from St Louis found for this year
22 Nov - 3 Dec
$1,449pp
STL
Lambert-St Louis
Qatar Airways
   
2 STOPS
PER
Perth
PER
Perth
Qatar Airways
   
2 STOPS
STL
Lambert-St Louis
22 Nov - 3 Dec
$1,461pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
PER
Perth
PER
Perth
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
23 Nov - 2 Dec
$1,607pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
PER
Perth
PER
Perth
Multiple Airlines
     
3 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

Are flight prices decreasing from St Louis to Perth due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Perth for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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.

Does it rain more in St Louis or Perth?

The rainfall in St Louis is generally less than the rainfall in Perth. This will continue over the next 18 days.

Is St Louis weather warmer or cooler than Perth?

With an average temperature of 90 °F, peak weather can be found in January. As a traveler, expect to see changes in flight prices during that period. The temperatures in Perth are hotter than in St Louis.

Related searches

Flights to Perth from St Louis
Flights to St Louis Flights to Perth

Rent a Car

Car Rentals in Perth Car Rentals in Western 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 = $1.28
Average temperature for May in Perth
71.6 °F
Avg rainfall for May in Perth
3.6 ″

Airports servicing St. Louis

Airports servicing Perth