$884+ Cheap flights from St. Louis (STL) to Perth (PER)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Perth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Perth
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,666 (oojo) |
One-way from | $884 (oojo) |
Find flight deals from St. Louis to Perth
Cheapest flights from St. Louis to PerthExplore the most affordable flight options available from St. Louis to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
Explore the most affordable flight options available from St. Louis to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
This Ovago deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air New Zealand deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from St. Louis to Perth within your budget
Customize your flight search to find flights from St. Louis to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Fri 4/4
6:44 am-6:35 pm
2 stops46h 51m
Perth
Fri 4/11
10:45 pm-11:59 pm
2 stops38h 14m
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 5/24
7:10 pm-1:35 pm
2 stops29h 25m
Perth
Sun 8/3
8:05 am-8:21 pm
2 stops25h 16m
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 5/24
1:30 pm-4:00 pm
3 stops37h 30m
Perth
Sun 8/3
8:05 am-8:21 pm
2 stops25h 16m
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Fri 4/4
3:50 pm-3:45 pm
3 stops58h 55m
Perth
Thu 4/10
11:55 pm-2:59 pm
3 stops52h 04m
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Sat 5/24
6:09 am-5:10 am
2 stops34h 01m
Perth
Sat 8/2
1:10 am-4:58 am
2 stops40h 48m
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Fri 4/4
5:27 pm-7:00 pm
2 stops36h 33m
Perth
Thu 4/10
11:50 pm-11:16 pm
3 stops36h 26m
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Fri 4/4
12:02 pm-7:55 am
2 stops30h 53m
Perth
Fri 4/11
11:55 pm-6:01 pm
2 stops31h 06m
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Mon 2/17
9:25 am-6:45 pm
2 stops43h 20m
St. LouisPerth
STL - PER
STLPER
Lambert-St Louis
Mon 2/17
8:05 am-4:55 pm
3 stops42h 50m
Compare providers for flights from St. Louis to Perth
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Perth in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Perth flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Perth flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Perth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Perth flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Perth
Have a flexible travel schedule? Discover the best time to fly to Perth from St. Louis with our price prediction graph.
Travel insights for flights from St. Louis to Perth
Get recent, data-driven insights about flights from St. Louis to Perth including ideal travel times, pricing trends, and more.
What is the cheapest time of day to fly from STL to PER?
Find hourly flight availability from St. Louis to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 47% on flights from St. Louis to Perth by exploring options for tickets at noon.
Rainfall in Perth by month
Plan your trip to Perth by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Perth ranges from 0.0 - 6.7 inches per month. June is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Perth when rainfall is around 0.0 in.
Temperature in Perth by month
Plan your trip to Perth by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 53.6 F).
Reviews of airlines servicing Perth
Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated January 21, 2025.
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Connection Booked by United was one hour and 20 minutes to come from international Auckland to San Francisco, deplane, clear customs and immigration, collect baggage, transfer baggage, go through TSA, walk/run across terminals 20 minutes and barely make connection When united informed pre-vacation of the tightness of the connection,would not switch to a flight two hours later, despite open seats, the flight that the baggage actually took Passengers made connection; baggage did not Food: nonexistent for a cross country six hour flight Arrived early, but of course gate unavailable and then plane door to get off stuck for 20 minutes
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Connection Booked by United was one hour and 20 minutes to come from international Auckland to San Francisco, deplane, clear customs and immigration, collect baggage, transfer baggage, go through TSA, walk/run across terminals 20 minutes and barely make connection When united informed pre-vacation of the tightness of the connection,would not switch to a flight two hours later, despite open seats, the flight that the baggage actually took Passengers made connection; baggage did not Food: nonexistent for a cross country six hour flight Arrived early, but of course gate unavailable and then plane door to get off stuck for 20 minutes
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Connection Booked by United was one hour and 20 minutes to come from international Auckland to San Francisco, deplane, clear customs and immigration, collect baggage, transfer baggage, go through TSA, walk/run across terminals 20 minutes and barely make connection When united informed pre-vacation of the tightness of the connection,would not switch to a flight two hours later, despite open seats, the flight that the baggage actually took Passengers made connection; baggage did not Food: nonexistent for a cross country six hour flight Arrived early, but of course gate unavailable and then plane door to get off stuck for 20 minutes
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Connection Booked by United was one hour and 20 minutes to come from international Auckland to San Francisco, deplane, clear customs and immigration, collect baggage, transfer baggage, go through TSA, walk/run across terminals 20 minutes and barely make connection When united informed pre-vacation of the tightness of the connection,would not switch to a flight two hours later, despite open seats, the flight that the baggage actually took Passengers made connection; baggage did not Food: nonexistent for a cross country six hour flight Arrived early, but of course gate unavailable and then plane door to get off stuck for 20 minutes
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Connection Booked by United was one hour and 20 minutes to come from international Auckland to San Francisco, deplane, clear customs and immigration, collect baggage, transfer baggage, go through TSA, walk/run across terminals 20 minutes and barely make connection When united informed pre-vacation of the tightness of the connection,would not switch to a flight two hours later, despite open seats, the flight that the baggage actually took Passengers made connection; baggage did not Food: nonexistent for a cross country six hour flight Arrived early, but of course gate unavailable and then plane door to get off stuck for 20 minutes
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Connection Booked by United was one hour and 20 minutes to come from international Auckland to San Francisco, deplane, clear customs and immigration, collect baggage, transfer baggage, go through TSA, walk/run across terminals 20 minutes and barely make connection When united informed pre-vacation of the tightness of the connection,would not switch to a flight two hours later, despite open seats, the flight that the baggage actually took Passengers made connection; baggage did not Food: nonexistent for a cross country six hour flight Arrived early, but of course gate unavailable and then plane door to get off stuck for 20 minutes
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Perth
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from St. Louis to Perth
Discover the top 3 airlines that operate flights from St. Louis to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,450 | Average$1,715 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,691 | Average$2,220 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,928 | Average$1,936 | FlexibilityNo cancel fee | On-time69% |