Cheap Flights from St Louis to Santiago Arturo Merino Benitez

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Flight deals from St Louis to Santiago Arturo Merino Benitez

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Santiago Arturo Merino Benitez Airport? If you want to travel next month, return fares start from $1,497. Find the lowest prices on one-way and return tickets right here.

Santiago.$1,497 per passenger.Departing Thu, 2 Jul, returning Thu, 9 Jul.Return flight with Frontier Airlines and LATAM Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Thu, 2 Jul, arriving in Santiago Arturo Merino Benitez.Inbound indirect flight with LATAM Airlines, departs from Santiago Arturo Merino Benitez on Thu, 9 Jul, arriving in St Louis.Price includes taxes and charges.From $1,497, select.

Santiago.$1,647 per passenger.Departing Mon, 20 Jul, returning Mon, 3 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Mon, 20 Jul, arriving in Santiago Arturo Merino Benitez.Inbound indirect flight with Delta, departs from Santiago Arturo Merino Benitez on Mon, 3 Aug, arriving in St Louis.Price includes taxes and charges.From $1,647, select.

Santiago.$1,652 per passenger.Departing Mon, 4 Jan, returning Wed, 13 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Mon, 4 Jan, arriving in Santiago Arturo Merino Benitez.Inbound indirect flight with Delta, departs from Santiago Arturo Merino Benitez on Wed, 13 Jan, arriving in St Louis.Price includes taxes and charges.From $1,652, select.

Santiago.$1,657 per passenger.Departing Thu, 15 Oct, returning Sun, 25 Oct.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from St Louis on Thu, 15 Oct, arriving in Santiago Arturo Merino Benitez.Inbound indirect flight with LATAM Airlines, departs from Santiago Arturo Merino Benitez on Sun, 25 Oct, arriving in St Louis.Price includes taxes and charges.From $1,657, select.

Santiago.$1,719 per passenger.Departing Thu, 20 Aug, returning Sat, 29 Aug.Return flight with LATAM Airlines.Outbound indirect flight with LATAM Airlines, departs from St Louis on Thu, 20 Aug, arriving in Santiago Arturo Merino Benitez.Inbound indirect flight with LATAM Airlines, departs from Santiago Arturo Merino Benitez on Sat, 29 Aug, arriving in St Louis.Price includes taxes and charges.From $1,719, select.

Santiago.$2,161 per passenger.Departing Fri, 11 Dec, returning Sun, 10 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Fri, 11 Dec, arriving in Santiago Arturo Merino Benitez.Inbound indirect flight with Delta, departs from Santiago Arturo Merino Benitez on Sun, 10 Jan, arriving in St Louis.Price includes taxes and charges.From $2,161, select.

Santiago.$2,478 per passenger.Departing Sun, 21 Jun, returning Sat, 27 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from St Louis on Sun, 21 Jun, arriving in Santiago Arturo Merino Benitez.Inbound indirect flight with Delta, departs from Santiago Arturo Merino Benitez on Sat, 27 Jun, arriving in St Louis.Price includes taxes and charges.From $2,478, select.

Find the cheapest month to fly from St Louis to Santiago Arturo Merino Benitez

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Santiago Arturo Merino Benitez flights are currently cheapest in July.

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St Louis to Santiago Arturo Merino Benitez: Alternative routes

Compare routes from St Louis to Santiago below. You may find an airport to fly into that's cheaper, faster, or easier than Santiago Arturo Merino Benitez.

Santiago Arturo Merino Benitez

14km from central Santiago

ClosestCheapest

from $1,497

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St Louis to Santiago: Flight information

The things to know before you go.

Cheapest flight found	$1,497
Cheapest month to fly	July

Finding cheap flights from St Louis to Santiago Arturo Merino Benitez: Frequently asked questions

How much are return flights from St Louis to Santiago Arturo Merino Benitez?

The best price we found for a return flight from St Louis to Santiago Arturo Merino Benitez is $1,497. 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 airlines fly direct from St Louis to Santiago Arturo Merino Benitez?

Currently, there are no airlines that fly direct from St Louis to Santiago Arturo Merino Benitez. But we found flights with one or more stops from $1,497.

How many flights are there a week from St Louis to Santiago Arturo Merino Benitez?

As of June 2026, there are no flights flying from St Louis to Santiago Arturo Merino Benitez.

When is the cheapest time to fly from St Louis to Santiago Arturo Merino Benitez?

The cheapest month to fly from St Louis to Santiago Arturo Merino Benitez is usually July.

Which upcoming date is cheapest to fly from St Louis Airport to Santiago Arturo Merino Benitez Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Santiago Arturo Merino Benitez Airport on Thursday, 2 July 2026.

Can I get a direct flight from St Louis Airport to Santiago Arturo Merino Benitez Airport?

No airlines currently offer direct flights between St Louis Airport and Santiago Arturo Merino Benitez Airport. Most routes have one or more stops.

How can I find the best flight deal to Santiago Arturo Merino Benitez?

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 Santiago Arturo Merino Benitez 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.

When is the best time to book flights to Santiago?

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

Which is the cheapest airline to fly from St Louis Airport to Santiago Arturo Merino Benitez with?

Currently, Frontier Airlines offers the cheapest flight tickets to Santiago Arturo Merino Benitez.

Travelling from Lambert-St. Louis International Airport (STL) to Arturo Merino Benitez Airport (SCL): what you need to know

Santiago is two hours ahead of St Louis and observes the UTC-3 timezone.
For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your STL to SCL flight.
During popular months such as July, it's best to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during peak periods in general.
Think about adding a stopover when booking your ticket from Lambert-St. Louis International Airport to Arturo Merino Benitez Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between STL and SCL:
- George Bush Intercontinental Airport
- Hartsfield-Jackson Atlanta International Airport
- Dallas/Fort Worth International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Arturo Merino Benitez Airport (SCL)

$1,073 is the lowest price for a one-way Lambert-St. Louis International Airport to Arturo Merino Benitez Airport flight. Return flights start from $1,497. These prices may change depending on availability.
To get your hands on cheap tickets from STL to SCL, book in advance. Airlines generally offer lower prices when flights are first made available.
If you can be flexible with your trip dates, try using the 'Whole month' tool. It'll give you the cheapest price across each month when looking for your flight from Lambert-St. Louis International Airport to Arturo Merino Benitez Airport.
Save time looking for cheap flights from STL to SCL by creating a Price Alert. You'll get an email or push notification on the app when a lower fare becomes available.
Select your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Lambert-St. Louis International Airport to Arturo Merino Benitez Airport.

Handy information about Lambert-St. Louis International Airport (STL)

STL is located at 10701 Lambert International Blvd..
When it comes to Lambert-St. Louis International Airport's on-time performance, data shows 78.04% of flights arrive within the expected timeframe.
Lambert-St. Louis International Airport is around 26 kilometres from central St Louis. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.
Planning to take public transport? Expect a journey time of around 35 minutes.
Get your break off to a relaxed start by staying near STL. Whether you're taking an early flight from Lambert-St. Louis International Airport to Arturo Merino Benitez Airport or just don't want to be rushed, these hotels have you covered:

Arriving at Arturo Merino Benitez Airport (SCL)

Book a hotel close to SCL if you're on a late Lambert-St. Louis International Airport to Arturo Merino Benitez Airport flight. Check in to one of these options and skip the long transfer after landing:
Pick up an Arturo Merino Benitez Airport rental car and explore Santiago and beyond with your own set of wheels. Rosselot, united rent a car and Street Rent a Car are popular providers you can book with here.
To get the best deal, book your vehicle from Arturo Merino Benitez Airport about two weeks before you set off.

Getting from Arturo Merino Benitez Airport (SCL) to central Santiago

Arturo Merino Benitez Airport to central Santiago has a drive time of around 20 minutes. It's approximately 19 kilometres away.
It takes around 1 hour 15 minutes if you're travelling by public transport.

When to fly to Arturo Merino Benitez Airport (SCL)

It's time to pick your travel dates for your flight from Lambert-St. Louis International Airport to Arturo Merino Benitez Airport. July is the most popular month to head to Santiago. If you like a more laid-back vibe, go in April.
Book your flight from Lambert-St. Louis International Airport to Arturo Merino Benitez Airport for January if you'd like to go to Santiago during its warmest month. You can expect temperatures of between 13ºC and 27ºC.
Look for cheap tickets from STL to SCL in July if you like cooler conditions. Temperatures are at their lowest around then, ranging between -2ºC and 15ºC on average.

Explore more of Chile

Santiago has plenty going for it, but there are so many other corners of Chile you should also see. Around 97 kilometres north-west of Santiago, a visit to Vina del Mar will keep you on the go. Start with attractions like La Foresta de Reñaca Park, Mirador Los Andes and Paseo Juan de Saavedra.
If there's time to check out another corner of Chile, consider Valparaiso, roughly 97 kilometres north-west of Santiago. Escalera de Colores, Escalera Reina Victoria and Museo De La Memoria Valparaíso are key highlights.