￥114,390 Cheap Flights from Perth (PER) to St. Louis (STL)

View ￥114,390 flight on Tue, May 19, 2026Opens in a new window

Popular airlines from Perth Airport (PER) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Perth to St. Louis (PER-STL)

Prices were available within the past 7 days and start at ￥114,390 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Perth Airport to St. Louis Lambert International Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between Perth Airport (PER) and St. Louis Lambert International Airport was . Fares this cheap don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Perth Airport (PER) to Lambert-St. Louis Intl. Airport (STL)?
The majority of flights can be canceled online, but each air carrier has its own terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Perth Airport to STL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Perth Airport (PER) to Lambert-St. Louis Intl. Airport (STL) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PER to STL?
You'll have 17,500 kilometers to cover on the long-haul Perth to St. Louis route. Dress in layers of comfy clothes and consider taking a travel pillow with you.
Which airlines fly direct from Perth Airport to STL?
Direct flights aren't available, so you'll have to make at least one stop between Perth Airport and Lambert Field. Make the most of the layover time to stretch your legs and grab a coffee.
Are Perth Airport (PER) to STL flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally pick up a bargain, with some super cheap airfares from Perth Airport (PER) to Lambert-St. Louis Intl. Airport (STL) cropping up a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines publish prices so far in advance.

Travel information

Origin airport
Perth
Destination airport
Lambert-St. Louis Intl.
Distance
17417 km

Book with confidence

Perth to St. Louis Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Perth to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring St. Louis.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PER to STL flights that won’t make your bank account wince. Ready to temporarily leave behind Perth for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to STL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Perth to St. Louis Flights
*Available to Expedia members.