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Cheap flights from St. Louis to Perth from $3,029

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Perth departing on 14/5. 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 return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from St. Louis to Perth.
Cathay Pacific Logo
06:52 - 07:45STL-PER
35h 53m2 stops
Cathay Pacific Logo
00:10 - 18:33PER-STL
31h 23m2 stops
$3,029Cathay Pacific
Find Deal
Wed, 14 May - Tue, 20 May
Qatar Airways Logo
09:10 - 18:40STL-PER
44h 30m2 stops
Qatar Airways Logo
22:45 - 00:04PER-STL
38h 19m2 stops
$3,048Qatar Airways
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Sun, 25 May - Tue, 3 Jun
 Logo
07:00 - 18:40STL-PER
46h 40m2 stops
 Logo
15:20 - 23:59PER-STL
45h 39m2 stops
$3,049
Find Deal
Wed, 28 May - Mon, 4 Aug
Qantas Airways Logo
19:05 - 17:05STL-PER
33h 00m2 stops
Qantas Airways Logo
23:55 - 19:31PER-STL
32h 36m2 stops
$3,168Qantas Airways
Find Deal
Wed, 28 May - Mon, 4 Aug
United Airlines Logo
19:10 - 14:40STL-PER
30h 30m2 stops
United Airlines Logo
23:55 - 16:45PER-STL
29h 50m2 stops
$3,187United Airlines
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Mon, 2 Jun - Sun, 3 Aug
Air New Zealand Logo
06:10 - 15:25STL-PER
44h 15m3 stops
Air New Zealand Logo
16:25 - 16:45PER-STL
37h 20m2 stops
$3,201Air New Zealand
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Mon, 2 Jun - Sun, 3 Aug
Qantas Airways Logo
19:19 - 08:50STL-PER
48h 31m2 stops
Qantas Airways Logo
23:55 - 19:31PER-STL
32h 36m2 stops
$3,221Qantas Airways
Find Deal
Sat, 24 May - Mon, 4 Aug
Air New Zealand Logo
06:00 - 16:00STL-PER
45h 00m2 stops
Air New Zealand Logo
23:55 - 16:45PER-STL
29h 50m2 stops
$3,224Air New Zealand
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Mon, 26 May - Mon, 4 Aug
United Airlines Logo
19:10 - 14:40STL-PER
30h 30m2 stops
United Airlines Logo
23:45 - 16:45PER-STL
30h 00m2 stops
$3,263United Airlines
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Wed, 28 May - Sun, 3 Aug
 Logo
09:50 - 16:00STL-PER
41h 10m3 stops
 Logo
19:50 - 23:59PER-STL
41h 09m3 stops
$3,498
Find Deal
Wed, 28 May - Mon, 4 Aug

United Airlines flights from St. Louis to Perth

Our best United Airlines deals on St. Louis to Perth flight tickets
United Airlines
2 June
STL19:10Lambert-St Louis
30h 30m
2 stops
PER14:40Perth
3 Aug
PER23:55Perth
29h 50m
2 stops
STL16:45Lambert-St Louis
United Airlines
28 May
STL19:10Lambert-St Louis
30h 30m
2 stops
PER14:40Perth
3 Aug
PER23:45Perth
30h 00m
2 stops
STL16:45Lambert-St Louis
United Airlines
27 May
STL06:10Lambert-St Louis
43h 30m
2 stops
PER14:40Perth
5 Aug
PER23:45Perth
30h 00m
2 stops
STL16:45Lambert-St Louis

Air New Zealand flights from St. Louis to Perth

Our best Air New Zealand deals on St. Louis to Perth flight tickets
Air New Zealand
2 June
STL06:10Lambert-St Louis
44h 15m
3 stops
PER15:25Perth
3 Aug
PER16:25Perth
37h 20m
2 stops
STL16:45Lambert-St Louis
Air New Zealand
26 May
STL06:00Lambert-St Louis
45h 00m
2 stops
PER16:00Perth
4 Aug
PER23:55Perth
29h 50m
2 stops
STL16:45Lambert-St Louis
Air New Zealand
2 June
STL06:10Lambert-St Louis
44h 15m
3 stops
PER15:25Perth
3 Aug
PER23:55Perth
70h 36m
3 stops
STL09:31Lambert-St Louis

See travel insights to Perth from

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 day to depart on your flight to Perth?

The cheapest day to depart from St. Louis to Perth is on a Tuesday. Travellers who choose to depart for Perth on a Tuesday will often find tickets for as low as $0. The most expensive day to fly to Perth is Monday, with ticket prices averaging around $2,987.

What is the cheapest time of day to depart on your flight to Perth?

In the morning is the cheapest time of day to fly from St. Louis to Perth when you can find flight prices for as low as $0. Flying to Perth in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive, with an average ticket price of $2,987.

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 return 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

$3,029

Fastest flight time

28h 20m

Direct flights

None

Airports in Perth

1 airport
The best flight deal from St. Louis to Perth found on momondo in the last 72 hours is $3,029
The fastest flight from St. Louis to Perth takes 28h 20m
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?

    There are 17533.8 km between Lambert-St Louis and Perth. In terms of flight time, this usually takes a little over 28h 20m.

  • 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 refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Fremantle
Mandurah
Scarborough
Rottnest Island

Why use momondo?

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

It is quick and easy to find St. Louis to Perth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Perth that suits you.

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

All flight searches from St. Louis to Perth on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between St. Louis and Perth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Perth from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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