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Cheap flights from St. Louis to Perth from $864

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Perth departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Perth

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Perth that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Perth.

Cheap last minute flights

Planning a quick getaway from St. Louis to Perth? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Perth, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Perth

Find recent round-trip train or bus tickets from St. Louis to Perth.

All round-trip flight deals to Perth

The cheapest plane tickets to Perth found on KAYAK recently.
6:00 am - 9:35 amSTL-PER
37h 35m2 stops
12:15 am - 4:21 pmPER-STL
30h 06m2 stops
$1,723Cathay Pacific
Find Deal
Sat, Feb 22 - Fri, Feb 28
6:00 am - 6:45 pmSTL-PER
46h 45m2 stops
10:45 pm - 11:59 pmPER-STL
39h 14m2 stops
$1,782Qatar Airways
Find Deal
Sat, Feb 22 - Sat, Mar 1
3:50 pm - 3:30 pmSTL-PER
57h 40m3 stops
3:15 pm - 3:06 pmPER-STL
61h 51m3 stops
$1,994Air Canada
Find Deal
Sat, Feb 22 - Sat, Mar 1
3:50 pm - 2:30 pmSTL-PER
56h 40m3 stops
5:30 pm - 11:59 pmPER-STL
44h 29m2 stops
$2,057
Find Deal
Sat, Feb 22 - Sat, Mar 1
1:05 pm - 8:30 pmSTL-PER
65h 25m2 stops
9:55 pm - 5:51 pmPER-STL
33h 56m2 stops
$3,351ANA
Find Deal
Fri, Dec 13 - Thu, Dec 19
6:25 am - 9:35 amSTL-PER
37h 10m2 stops
12:15 am - 5:58 pmPER-STL
31h 43m2 stops
$3,651Cathay Pacific
Find Deal
Fri, Dec 13 - Wed, Dec 18
5:29 pm - 12:10 pmSTL-PER
28h 41m2 stops
10:55 pm - 1:03 pmPER-STL
28h 08m2 stops
$3,756Qantas Airways
Find Deal
Thu, Dec 26 - Fri, Jan 3
1:05 pm - 8:30 pmSTL-PER
65h 25m2 stops
5:35 am - 11:27 pmPER-STL
31h 52m3 stops
$3,839
Find Deal
Fri, Dec 13 - Thu, Dec 19
1:45 pm - 12:25 pmSTL-PER
32h 40m3 stops
10:55 pm - 1:03 pmPER-STL
28h 08m2 stops
$4,833
Find Deal
Thu, Dec 26 - Fri, Jan 3
10:35 am - 2:30 pmSTL-PER
37h 55m3 stops
10:45 pm - 4:25 pmPER-STL
31h 40m3 stops
$5,915Air Canada
Find Deal
Thu, Dec 26 - Fri, Jan 3
6:30 am - 5:40 amSTL-PER
57h 10m3 stops
Mon, Dec 2
6:17 am - 9:35 amSTL-PER
37h 18m2 stops
$867Cathay Pacific
Find Deal
Wed, Dec 4
6:00 am - 3:35 pmSTL-PER
43h 35m3 stops
Tue, Dec 3
3:34 pm - 9:25 amSTL-PER
51h 51m3 stops
Fri, Dec 6
5:02 pm - 5:25 amSTL-PER
46h 23m3 stops
$1,164
Find Deal
Wed, Dec 4
7:00 am - 6:45 pmSTL-PER
45h 45m2 stops
$1,229Qatar Airways
Find Deal
Fri, Dec 6
11:20 am - 12:50 amSTL-PER
47h 30m3 stops
$1,312
Find Deal
Sat, Dec 7
7:00 pm - 2:30 pmSTL-PER
29h 30m2 stops
$1,315United Airlines
Find Deal
Mon, Dec 2
7:00 am - 2:45 pmSTL-PER
41h 45m2 stops
$1,327United Airlines
Find Deal
Tue, Dec 3
1:34 pm - 6:45 pmSTL-PER
39h 11m3 stops
$1,338
Find Deal
Sun, Dec 1

Air Canada flights from St. Louis to Perth

Our best Air Canada deals on St. Louis to Perth flight tickets
Air Canada
Feb 22
STL3:50 pmLambert-St Louis
57h 40m
3 stops
PER3:30 pmPerth
Mar 1
PER3:15 pmPerth
61h 51m
3 stops
STL3:06 pmLambert-St Louis
Air Canada
Dec 26
STL10:35 amLambert-St Louis
37h 55m
3 stops
PER2:30 pmPerth
Jan 3
PER10:45 pmPerth
31h 40m
3 stops
STL4:25 pmLambert-St Louis

Cathay Pacific flights from St. Louis to Perth

Our best Cathay Pacific deals on St. Louis to Perth flight tickets
Cathay Pacific
Feb 22
STL6:00 amLambert-St Louis
37h 35m
2 stops
PER9:35 amPerth
Feb 28
PER12:15 amPerth
30h 06m
2 stops
STL4:21 pmLambert-St Louis
Cathay Pacific
Dec 13
STL6:25 amLambert-St Louis
37h 10m
2 stops
PER9:35 amPerth
Dec 18
PER12:15 amPerth
31h 43m
2 stops
STL5:58 pmLambert-St Louis
Cathay Pacific
Dec 26
STL11:42 amLambert-St Louis
45h 03m
2 stops
PER10:45 pmPerth
Jan 2
PER12:15 amPerth
61h 12m
2 stops
STL11:27 pmLambert-St Louis

How to get the cheapest flight ticket from St. Louis to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

February. The cheapest time of year to fly to Perth from St. Louis is February. Most expensive is January

What is the cheapest day to depart St. Louis for Perth?

Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Tuesday

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

In the morning. St. Louis to Perth flights are approximately 15% more expensive in the evening than in the morning

What is the cheapest airline that flies to Perth from St. Louis?

Qatar Airways. Qatar Airways, United Airlines, and Qantas Airways are the most popular carriers operating from St. Louis to Perth

What is the cheapest St. Louis to Perth flight route?

Lambert-St Louis - Perth. Fly from Lambert-St Louis to Perth for the best St. Louis - Perth flight prices

When to book flights from St. Louis to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Perth (STL to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Perth

Best Price Found

$864

Fastest flight time

28h 41m

Direct flights

None

Airports in Perth

1 airport
The best one-way flight to Perth from St. Louis in the past 72 hours is $864. The best round-trip flight deal from St. Louis to Perth found on momondo in the last 72 hours is $1,723.
The fastest flight from St. Louis to Perth takes 28h 41m
There are no direct flights from St. Louis to Perth. Popular non-direct route for this connection is Lambert-St Louis Airport - Perth Airport.
There is 1 airport near Perth: Perth (PER)

  • How far is Lambert-St Louis to Perth by plane?

    Lambert-St Louis and Perth are 10895.1 mi apart from one another. By plane, this route typically takes 28h 41m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Perth Airport?

    Prices for flights from Lambert-St Louis Airport to Perth Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Perth Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Perth Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Perth?


Best airlines flying from St. Louis to Perth

Compare and see reviews for airlines that fly from St. Louis to Perth with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,559Free CancellationRating
7.5
3,861 reviews
Search Qatar Airways flights
Qantas AirwaysPriceFrom $1,691Free CancellationRating
7.6
826 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,928Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Perth?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Perth from St. Louis.

Can I find flights from St. Louis to Perth with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Perth from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Perth?

Once you have performed a search for St. Louis to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Perth right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Perth flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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