$1,085 Find Cheap Flights from South Pacific to St. Louis

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flight Deals from South Pacific to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from South Pacific to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from South Pacific to St. Louis

KAYAK's recommended round-trip deals from the most popular airlines that fly from South Pacific to St. Louis.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
9:20 am - 7:43 pmSYD-STL
49h 23m2 stops
8:48 am - 7:20 amSTL-SYD
31h 32m2 stops
$1,085Air Canada
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Wed, May 14 - Wed, May 21
9:20 am - 7:57 pmSYD-STL
49h 37m2 stops
4:05 pm - 7:20 amSTL-SYD
48h 15m2 stops
$1,128Air Canada
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Fri, Sep 5 - Fri, Sep 12
10:20 am - 4:45 pmSYD-STL
21h 25m1 stop
3:15 pm - 7:00 amSTL-SYD
46h 45m2 stops
$1,317United Airlines
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Mon, Aug 18 - Sat, Nov 8
10:20 am - 4:45 pmSYD-STL
21h 25m1 stop
7:00 pm - 9:15 amSTL-SYD
21h 15m1 stop
$1,364United Airlines
Find Deal
Mon, Aug 18 - Sat, Nov 8
8:55 am - 11:16 pmSYD-STL
53h 21m2 stops
6:15 am - 6:20 amSTL-SYD
57h 05m2 stops
$1,373Japan Airlines
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Sun, Apr 27 - Sun, May 4
6:05 am - 7:29 pmWLG-STL
30h 24m2 stops
6:52 am - 2:45 pmSTL-WLG
38h 53m2 stops
$1,393American Airlines
Find Deal
Wed, May 14 - Wed, May 21
9:10 am - 11:16 pmSYD-STL
29h 06m1 stop
6:15 am - 7:05 amSTL-SYD
33h 50m1 stop
$1,653Qantas Airways
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Sun, Apr 27 - Sun, May 4
9:10 am - 11:04 pmSYD-STL
28h 54m1 stop
6:52 am - 7:05 amSTL-SYD
33h 13m1 stop
$1,654Qantas Airways
Find Deal
Mon, May 12 - Sat, May 31
8:55 am - 10:59 pmSYD-STL
29h 04m2 stops
7:30 am - 6:20 amSTL-SYD
31h 50m2 stops
$4,880Japan Airlines
Find Deal
Fri, Sep 5 - Sat, Sep 13
9:10 am - 10:59 pmSYD-STL
28h 49m1 stop
4:17 pm - 7:05 amSTL-SYD
23h 48m2 stops
$9,916American Airlines
Find Deal
Fri, Sep 5 - Fri, Sep 12

Good to know

Low season

February

High season

December

Cheapest flight

$1,085
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 27% increase in price.
Flight from Sydney to St. Louis

FAQs for booking flights from South Pacific to St. Louis

  • How does KAYAK find such low prices on flights from South Pacific to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from South Pacific to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from South Pacific to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from South Pacific is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from South Pacific to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to South Pacific with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from South Pacific to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from South Pacific up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from South Pacific to St. Louis

Need help choosing which airline to fly with from South Pacific to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
Qantas AirwaysOverall score based on 813 reviews
8.1Crew
7.6Boarding
6.9Food
7.4Comfort
7.2Entertainment
Airline reviews

Very good as always, stand out airline. The passengers whom choose to stuff baggage that otherwise should be checked-in is a real bother but that's not the airlines doing. A real frustration that passengers just don't want to check-in luggage. This is a pet hate unfortunately.

10.0 ExcellentElio, Mar 2025PER - ADL
Read more Qantas Airways reviews

Very good as always, stand out airline. The passengers whom choose to stuff baggage that otherwise should be checked-in is a real bother but that's not the airlines doing. A real frustration that passengers just don't want to check-in luggage. This is a pet hate unfortunately.

Complaint is with American Airlines which delayed our flight from salt lake to Dallas reaulting in us missing our connection to Brisbane. Had to spend 24 hours in Dallas to wait for the next flight. Awful experience and ruined my wife’s birthday.

Planes was old - business class seats looked like they were installed in the 80s

I have taken this flight many times. It is ALWAYS late. Every time there is significant delay (1-3 hours) before boarding. It’s very consistent. Even after boarding the expected landing time was delayed twice. The seats are very narrow and cramped. Food is barely editable. Considering an economy ticket often costs about $2,000 it’s one of the worst services ever.

I disliked the fact that they forced people to put up their seats during meal service

American Airlines was their usual junk service — but at least it got us down to LA. I was more irritated that while they codeshare with Alaska Airlines in Seattle, they could not out our flight on one of these, opting for one of the small SkyWest operated American Eagle flights — and causing a 14 hour layover. Which I accepted due to a $2000 difference in airfare — that said it was irritating for a flight that usually would have cost around $100 extra, if that.

nothing to complain about w/the food, and professionalism of the crew. i just cant stand being on a flight for that long of a time.

Everything was great from the staff to the seats and food. The plane was timely taking off and landing.. I couldn't have asked for a better experience (especially on such a long flight)

Good communication regarding any updates time of flight and flight delayed. The fight was delayed by two and half hours at eleventh hour. That was unexpected, especially when you international passenger.

The service was excellent. The quarters were a little cramped in Economy, and we had to exist there for 18 hours.

Plane temperature was comfortable (not to hot) when boarding and waiting for takeoff.

Compared with other carriers business class for an overnight was not worth the extra expense.

Generally good. The aisles have gotten narrower which can slow down boarding. Flight crew was great! Healthier complimentary snacks would be appreciated. Due to earthquake in San Francisco we had to circle in air space for a bit but then had a smooth landing. I laud the flight crew for their patience ;)

Easy to board. Flight was super crowded though so I didn't sleep well on that cross country red-eye flight. The aisles seem ot have gotten narrower and the seat smaller whn luggage and people are getting bigger so it would be AWESOME to have more space and breathing room in general ;)

Michael, our FA was very attentive, even finding me a chocolate brownie from economy class when the dessert selections were all dairy based. ( intolerant, not allergic so don’t usually need to order dairy free)

We tried to upgrade to economy premium but were told this was not possible as we had booked through United Airlines (and Air Canada was operating the flight). This seemed silly given there was ample space in economy premium. Additionally, we had to wait almost 1.5 hours upon arrival to taxi to the gate. Otherwise, the crew were very pleasant and passengers were friendly.

We boarded but then sat there waiting on some missed connection people to get on so we sat for about 15 minutes for that. Then we sat again because the passenger manifest was wrong and they had to figure it out before we could leave. That took about another 20 minutes or so. The crew was working hard to figure it out so it’s not their fault. It ended up being a system glitch where someone was upgraded to first class while another person was also in the same seat and it just created a mess that took a little while to figure out. They literally went to every person on the plane asking their names to see who was sitting in the wrong seat. I also hate the entertainment that must be watched on your phone or tablet. Just give us setback screens. It’s so much better. Almost every Delta flight has this now and it is so nice to have them. The crew did a great job. I have no complaints from them. They were very hard working, even with the mishap and a disgruntled passenger.

Mostly the experience was good except for the flight changes made by UA which meant longer layover in DC

We were Polaris passengers and found the service poor. The food was ok but the flight attendants were not attentive and rushed the service.

Overall poor for me I paid extra for seats with leg room and my regional flights exit row seats have less leg room then the others that's money that could have been saved and on my final flight home the flights air was not operating it was unbearably hot in the cabin I will be contacting United and filing a DOT complaint

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

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