Cheap Flights to St Louis Airport

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Flight deals to St Louis

Looking for a cheap last-minute deal or the best return flight to St Louis Airport? If you want to travel to St Louis Airport next month, return fares start from $1,418. Find the lowest prices on one-way and return tickets right here.

St Louis.$1,344 per passenger.Departing Thu, 6 Aug, returning Fri, 21 Aug.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Thu, 6 Aug, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Fri, 21 Aug, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,344, select.

St Louis.$1,350 per passenger.Departing Mon, 27 Jul, returning Fri, 7 Aug.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Mon, 27 Jul, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Fri, 7 Aug, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,350, select.

St Louis.$1,418 per passenger.Departing Tue, 21 Jul, returning Tue, 28 Jul.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Sydney on Tue, 21 Jul, arriving in St Louis.Inbound indirect flight with Qantas, departs from St Louis on Tue, 28 Jul, arriving in Sydney.Price includes taxes and charges.From $1,418, select.

St Louis.$1,456 per passenger.Departing Thu, 11 Jun, returning Sun, 21 Jun.Return flight with United.Outbound indirect flight with United, departs from Sydney on Thu, 11 Jun, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Sun, 21 Jun, arriving in Sydney.Price includes taxes and charges.From $1,456, select.

St Louis.$1,507 per passenger.Departing Sat, 22 Aug, returning Sun, 6 Sep.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Sat, 22 Aug, arriving in St Louis.Inbound indirect flight with American Airlines, departs from St Louis on Sun, 6 Sep, arriving in Sydney.Price includes taxes and charges.From $1,507, select.

St Louis.$1,627 per passenger.Departing Wed, 18 Nov, returning Thu, 3 Dec.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Brisbane on Wed, 18 Nov, arriving in St Louis.Inbound indirect flight with Qantas, departs from St Louis on Thu, 3 Dec, arriving in Brisbane.Price includes taxes and charges.From $1,627, select.

St Louis.$1,627 per passenger.Departing Tue, 27 Oct, returning Tue, 3 Nov.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Brisbane on Tue, 27 Oct, arriving in St Louis.Inbound indirect flight with Qantas, departs from St Louis on Tue, 3 Nov, arriving in Brisbane.Price includes taxes and charges.From $1,627, select.

St Louis.$1,627 per passenger.Departing Thu, 19 Nov, returning Thu, 26 Nov.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Brisbane on Thu, 19 Nov, arriving in St Louis.Inbound indirect flight with Qantas, departs from St Louis on Thu, 26 Nov, arriving in Brisbane.Price includes taxes and charges.From $1,627, select.

St Louis.$1,643 per passenger.Departing Sun, 1 Nov, returning Fri, 1 Jan.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Brisbane on Sun, 1 Nov, arriving in St Louis.Inbound indirect flight with American Airlines, departs from St Louis on Fri, 1 Jan, arriving in Brisbane.Price includes taxes and charges.From $1,643, select.

St Louis.$1,683 per passenger.Departing Thu, 22 Oct, returning Mon, 26 Oct.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Sydney on Thu, 22 Oct, arriving in St Louis.Inbound indirect flight with Qantas, departs from St Louis on Mon, 26 Oct, arriving in Sydney.Price includes taxes and charges.From $1,683, select.

St Louis.$1,735 per passenger.Departing Tue, 15 Sep, returning Wed, 30 Sep.Return flight with Fiji Airways and Frontier Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Tue, 15 Sep, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 30 Sep, arriving in Sydney.Price includes taxes and charges.From $1,735, select.

St Louis.$1,840 per passenger.Departing Tue, 8 Dec, returning Mon, 4 Jan.Return flight with United.Outbound indirect flight with United, departs from Sydney on Tue, 8 Dec, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Mon, 4 Jan, arriving in Sydney.Price includes taxes and charges.From $1,840, select.

St Louis.$1,937 per passenger.Departing Thu, 10 Dec, returning Thu, 1 Apr.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Sydney on Thu, 10 Dec, arriving in St Louis.Inbound indirect flight with American Airlines, departs from St Louis on Thu, 1 Apr, arriving in Sydney.Price includes taxes and charges.From $1,937, select.

St Louis.$1,989 per passenger.Departing Mon, 1 Feb, returning Mon, 15 Feb.Return flight with Philippine Airlines and Alaska Airlines.Outbound indirect flight with Philippine Airlines, departs from Perth on Mon, 1 Feb, arriving in St Louis.Inbound indirect flight with Alaska Airlines, departs from St Louis on Mon, 15 Feb, arriving in Perth.Price includes taxes and charges.From $1,989, select.

St Louis.$2,064 per passenger.Departing Sun, 20 Sep, returning Thu, 1 Oct.Return flight with United.Outbound indirect flight with United, departs from Sydney on Sun, 20 Sep, arriving in St Louis.Inbound indirect flight with United, departs from St Louis on Thu, 1 Oct, arriving in Sydney.Price includes taxes and charges.From $2,064, select.

St Louis.$2,167 per passenger.Departing Thu, 13 Aug, returning Sun, 9 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Perth on Thu, 13 Aug, arriving in St Louis.Inbound indirect flight with Air Canada, departs from St Louis on Sun, 9 May, arriving in Perth.Price includes taxes and charges.From $2,167, select.

Find the cheapest time to fly to St Louis

Flexible on travel dates? Find the cheapest month – or even day – to fly to St Louis.

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Airports near St Louis

Compare routes to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier.

Frequently asked questions

Which airlines offer direct flights to St Louis?

Currently, there are no airlines that fly direct to St Louis. But we found flights with one or more stops from $1,344.

When is the cheapest time to fly to St Louis?

The cheapest month to fly to St Louis is usually August.

How can I find the best flight deal to St Louis?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Can I get a direct flight to St Louis Airport?

No airlines currently offer direct flights between Australia and St Louis Airport. Most routes have one or more stops.

How much are return flights to St Louis?

The best price we found for a return flight to St Louis is $1,344. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which upcoming date is cheapest to fly to St Louis Airport on?

After crunching the numbers on our flight calendar, we found that the cheapest date to fly to St Louis Airport is Thursday, 6 August 2026.

When is the best time to book flights to St Louis?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly to St Louis with?

Currently, United offers the cheapest flight tickets to St Louis.

Flying to St Louis

The things to know before you go.

Cheapest flight found	$1,344
Cheapest month to fly	August

Discover St Louis

How to find cheap flights to St Louis Lambert International Airport (STL)

Currently, $837 is the lowest price for a one-way flight to St Louis Lambert International Airport. Or you can book a return plane ticket to STL for $1,344.
Book when the time is right with Price Alerts. You'll get an email or a notification through the app if the price of tickets to STL changes.
Book as early as possible. You might even be able to land some incredible early bird deals on tickets to St Louis, where St Louis Lambert International Airport is located.
Click on the 'Add nearby airports' option and expand your search for cheap flights to St Louis. This will show you all the airports around your departure and destination points.
If you're not in a hurry to get to St Louis, consider going the long way round. You could find cheaper plane tickets to St Louis Lambert International Airport if you book a flight with a stop or two.

Best time to go to St Louis

The cheapest month to take off on a flight to St Louis is usually May.
Use the 'Whole month' tool if your travel dates are flexible. Browse fares for the entire month and find a flight to STL that suits your itinerary and budget.
Head to St Louis in July if you want to go when it's busy. This is the most popular month for flights to STL, but also when tickets are usually more expensive.
The quietest time of the year to go is December. Lock in your plane tickets to St Louis then and enjoy the top attractions at a more relaxed pace.
With averages of between 17ºC (63ºF) and 33ºC (91ºF), July is when St Louis is warmest. Organise your visit around your preferred weather conditions to make the most of your trip.
January brings the lowest temperatures, ranging from around -7ºC (19ºF) to 8ºC (46ºF).
With five days of rain on average, November is the driest month in St Louis.
The wettest time of year is May. Plan your trip then and you can expect to get around 11 days of rainfall.

Travelling to St Louis Lambert International Airport (STL): What you need to know

Offering direct flights to St Louis Lambert International Airport, these popular airlines make getting to St Louis a breeze:
Alaska Airlines offers the most punctual service. Up to 86% of its flights into this hub touch down as scheduled, making it a wise choice when booking your STL plane ticket.
STL is located in the UTC-6 timezone.
Whether you're coming in late or simply want the convenience of staying close by, you'll find some great hotels near St Louis Lambert International Airport. Kick back at one of these after your flight to STL:
St Louis Lambert International Airport has an on-time performance of 76%. This figure reflects how often departing flights from STL complete their journey without delays.
St Louis Lambert International Airport is located in St Louis, Missouri, the United States.

Getting to central St Louis from St Louis Lambert International Airport (STL)

The distance from STL to central St Louis is about 24 kilometres.
Once you've touched down from your flight to STL, the drive to the centre takes around 25 minutes.
Take public transport and you'll be there in roughly 30 minutes.
The right hotel can make your trip even better. Settle in at one of these guest-approved stays in St Louis:

St Louis highlights

Step off your flight to St Louis and make your way to these major attractions:
- The Gateway Arch: Delivering a strong first impression of the city's highlights, this landmark is around 5 kilometres east of the centre.
- Transgender Memorial Garden: Here's where you can ease into a slower rhythm while exploring St Louis. This park is roughly 3 kilometres south of the centre.
- Museum at the Gateway Arch: Hit up this landmark next. Around 5 kilometres east of the city centre, it's well worth stopping by for the full St Louis experience.

How to get to O'Fallon from St Louis Lambert International Airport (STL)

Starting your trip in O'Fallon? From STL, it'll take around 30 minutes to drive there. The city is about 32 kilometres from the airport.

Travelling from St Louis Lambert International Airport (STL) to Saint Charles

If Saint Charles is your chosen stop, it's about 11 kilometres from St Louis Lambert International Airport.

Explore more of the United States

Craving more adventure? Evansville is a must-do while you're in the United States. It's around 257 kilometres east of St Louis and features Mesker Park Zoo, Riverfront Park and Evansville Museum of Arts, History & Science.
Columbia fits right into any adventure through the United States. You'll find it around 177 kilometres west of St Louis. Museum of Art and Archaeology, Mizzou Botanic Garden and Francis Quadrangle stand out as key sights.
Or take off to Springfield, roughly 129 kilometres northeast of St Louis. Freedom Corner - Dr. Martin Luther King, Jr. Statue, Lincoln Memorial Garden and Dana-Thomas House are among the many reasons to visit.