$1,087 Cheap flights to St. Louis
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to St. Louis departing on 20/11. 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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What is the cheapest month to fly to St. Louis?
The month of November is, on average, the cheapest month to fly to St. Louis from Australia, with most prices found around $1,640. If you aren’t able to travel to St. Louis during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,842.
What is the cheapest day to depart on your flight to St. Louis?
According to our data, Saturday is the cheapest day to fly to St. Louis from Australia. The lowest ticket price found for a Saturday departure recently was $2,151. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Australia to St. Louis on a Thursday will generally be more expensive and average around $2,756. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
Cheapest flights to Lambert-St Louis
Find the cheapest flights to Lambert-St Louis from your nearest city or airport
| CHEAPEST MONTH TO FLY TO ST. LOUIS FROM SYDNEY | November | 26% cheaper | Flying from Sydney to St. Louis costs on average just $1,640 in November |
| MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM SYDNEY | August | 45% more expensive | It costs about $3,193 for flights to St. Louis from Sydney in August |
| MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM SYDNEY | December | 600% more users visited | More momondo users searched in flights to St. Louis from Sydney in December than any other month |
Cheap St. Louis flight deals and tips
Summary info about St. Louis flight prices, duration and airlines
Best One-Way Price | $1,087 |
|---|---|
Best Round-Trip Price | $1,606 |
Fastest flight time | 21h 03m |
Popular in | December |
Frequently asked questions about flying to St. Louis
Is there an alternative airport near St. Louis?
Those flying to St. Louis could potentially find better pricing at Belleville Airport (35 km from St. Louis city centre), Marion Williamson County Airport (142 km from St. Louis city centre) or Springfield Capital Airport (142 km from St. Louis city centre) depending on the month and departure airport.
When did momondo last update prices for flights to Lambert-St Louis Airport?
Prices for flights to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights to Lambert-St Louis Airport?
As of June 2025, there are 6 operators available to choose from for flights to Lambert-St Louis Airport.
How old do you have to be to fly to Lambert-St Louis 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 to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Travelling to a place near St. Louis?
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Why should I use momondo to find a flight deal to St. Louis?
Finding the right flight to St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Can I find flights to St. Louis with flexible booking policies on momondo?
Flights to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights to St. Louis?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to St. Louis.
I’m not ready to book a flight to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to 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.