Cheap Flights from St Louis to Santiago Metropolitan Region from $1,615 Return

Flight deals from St Louis to Santiago Metropolitan Region

Looking for a cheap last-minute deal or the best return flight from St Louis to Santiago Metropolitan Region? If you want to travel next month, return fares start from $2,207. Find the lowest prices on one-way and return tickets right here.

Santiago.$1,615 per passenger.Departing Thu, 1 Oct, returning Tue, 1 Dec.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from St Louis on Thu, 1 Oct, arriving in Santiago Arturo Merino Benitez.Inbound indirect flight with LATAM Airlines, departs from Santiago Arturo Merino Benitez on Tue, 1 Dec, arriving in St Louis.Price includes taxes and charges.From $1,615, select.

Show more deals

Flying from St Louis to Santiago Metropolitan Region

Arm yourself with these facts on the fly.

Cheapest flight found	$1,615
Cheapest month to fly	October
Cheapest airport to fly from	St Louis

How to find cheap flights from St Louis to Santiago Metropolitan Region

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from St Louis to Santiago Metropolitan Region. Other savvy travellers recently found return flights from $1,615 and one-way tickets from $980 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from St Louis into Santiago Arturo Merino Benitez

At the moment, the lowest priced flight tickets to Santiago Metropolitan Region are from St Louis Airport to Santiago Arturo Merino Benitez Airport.

Fly in October

We crunched the flight calendar and found the cheapest time to fly from St Louis to Santiago Metropolitan Region is currently October.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from St Louis to anywhere you choose in Santiago Metropolitan Region.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from St Louis to Santiago Metropolitan Region go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Santiago Metropolitan Region to Santiago Metropolitan Region flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average St Louis to Santiago Metropolitan Region flight price?

We looked at all of the upcoming return flights from St Louis to Santiago Metropolitan Region we could find over the next 12 months. It looks like $1,615 is the best price. This is good, compared to the average Santiago Metropolitan Region ticket price of $1,615.

What is the cheapest month to fly from St Louis to Santiago Metropolitan Region?

The cheapest month to fly from St Louis to Santiago Metropolitan Region is currently October.

Which upcoming date is cheapest to fly from St Louis to Santiago Metropolitan Region on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from St Louis to Santiago Metropolitan Region on Thursday, 1 October 2026.

Are there any direct flights from St Louis to Santiago Metropolitan Region?

Currently, there aren't any direct flights from St Louis to Santiago Metropolitan Region, but you can still fly with a stopover.

If I'm flying from St Louis, where in Santiago Metropolitan Region is cheapest to fly into?

If you're flying from St Louis, the cheapest city in Santiago Metropolitan Region to fly into is Santiago. The cheapest airport serving Santiago at the moment is Santiago Arturo Merino Benitez.