How to find the cheapest flight from Perth (PER) to St Louis (STL)
All the information you need to plan the best PER to STL flight in 2021: compare Perth to St Louis flight prices with the expected peak season, weather and rainfall in St Louis.
What is the cheapest day to fly return from Perth to St Louis?
Travellers have found that booking a Sunday departure is the best way to save up to 49% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
What is the cheapest month to fly from Perth to St Louis?
Flights from Perth to St Louis lean towards being more expensive in December. Prices are generally better when you fly from Perth to St Louis in May, with the cheapest ticket starting at $860.
When is the cheapest time to fly from Perth to St Louis (PER - STL)?
When flying from Perth to St Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Perth</span> to <span class="emphasized">St Louis</span> flights.
Flight FAQs
From Perth to St Louis
How popular is this flight route?
Flights from Perth to Lambert-St Louis have been viewed 56 times in the past calendar month.
Does it rain more in Perth or St Louis?
The rainfall in Perth is generally more than the rainfall in St Louis. This will continue over the next 15 days.
Is Perth weather warmer or cooler than St Louis?
We forecast the temperature to be around the 32 °Cs in July, on average. The temperature in St Louis is generally hotter than in Perth. Book flights in a timely manner in correlation to your departure date.