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Cheap flights from St. Louis to Santiago from $392

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Santiago departing on 2/9. 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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Find the cheapest flights from St. Louis to Santiago

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Santiago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Santiago.

Cheap last minute flights

Planning a quick getaway from St. Louis to Santiago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Santiago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Santiago

Find recent round-trip train or bus tickets from St. Louis to Santiago.

All round-trip flight deals to Santiago

The cheapest plane tickets to Santiago found on KAYAK recently.
5:03 am - 7:49 amSTL-SCL
23h 46m1 stop
10:30 pm - 10:28 pmSCL-STL
26h 58m1 stop
$821American Airlines
Find Deal
Thu, Jan 23 - Wed, Feb 5
6:15 am - 8:50 amSTL-SCL
23h 35m1 stop
10:45 pm - 2:37 pmSCL-STL
18h 52m1 stop
$823United Airlines
Find Deal
Thu, Jan 23 - Wed, Feb 5
1:00 pm - 9:14 amSTL-SCL
17h 14m2 stops
10:30 pm - 1:00 pmSCL-STL
17h 30m2 stops
$826American Airlines
Find Deal
Thu, Jan 23 - Wed, Feb 5
10:10 am - 2:30 pmSTL-SCL
26h 20m2 stops
12:25 am - 8:52 amSCL-STL
34h 27m2 stops
$843LATAM Airlines
Find Deal
Mon, Mar 10 - Tue, Mar 18
3:48 pm - 6:00 amSTL-SCL
35h 12m3 stops
2:30 pm - 2:43 pmSCL-STL
27h 13m2 stops
Thu, Jan 23 - Wed, Feb 5
3:48 pm - 6:00 amSTL-SCL
35h 12m3 stops
2:30 pm - 2:43 pmSCL-STL
27h 13m2 stops
Thu, Jan 23 - Wed, Feb 5
6:00 am - 7:00 amSTL-SCL
24h 00m3 stops
11:30 pm - 6:01 pmSCL-STL
19h 31m2 stops
$867LATAM Airlines
Find Deal
Sun, May 4 - Tue, Jun 3
10:59 am - 7:20 amSTL-SCL
17h 21m1 stop
12:25 am - 6:02 pmSCL-STL
20h 37m2 stops
$883Delta
Find Deal
Sun, Feb 16 - Mon, Mar 3
3:50 pm - 12:10 pmSTL-SCL
17h 20m1 stop
7:50 pm - 3:06 pmSCL-STL
21h 16m1 stop
$884Air Canada
Find Deal
Fri, Mar 7 - Tue, Mar 18
12:52 pm - 7:20 amSTL-SCL
15h 28m1 stop
12:25 am - 8:49 pmSCL-STL
22h 24m2 stops
$1,063Delta
Find Deal
Fri, Mar 7 - Mon, Mar 17
3:48 pm - 8:41 pmSTL-SCL
49h 53m2 stops
Sun, Feb 9
3:48 pm - 12:19 amSTL-SCL
29h 31m3 stops
Sun, Feb 9
6:25 am - 5:50 amSTL-SCL
20h 25m2 stops
Wed, Jan 22
5:05 pm - 5:11 amSTL-SCL
33h 06m3 stops
Wed, Jan 22
5:45 pm - 7:00 amSTL-SCL
34h 15m3 stops
Mon, Dec 23
11:38 am - 7:49 amSTL-SCL
17h 11m1 stop
$542American Airlines
Find Deal
Wed, Jan 22
5:17 pm - 6:00 amSTL-SCL
33h 43m1 stop
$589LATAM Airlines
Find Deal
Mon, Dec 23
2:00 pm - 7:20 amSTL-SCL
14h 20m1 stop
$592LATAM Airlines
Find Deal
Sun, Feb 9
7:15 am - 6:25 amSTL-SCL
20h 10m2 stops
$642Delta
Find Deal
Fri, Dec 13
7:08 am - 7:50 amSTL-SCL
21h 42m1 stop
$672American Airlines
Find Deal
Fri, Dec 13

American Airlines flights from St. Louis to Santiago

Our best American Airlines deals on St. Louis to Santiago flight tickets
American Airlines
Jan 23
STL5:03 amLambert-St Louis
23h 46m
1 stop
SCL7:49 amSantiago Arturo Merino Benitez
Feb 5
SCL10:30 pmSantiago Arturo Merino Benitez
26h 58m
1 stop
STL10:28 pmLambert-St Louis
American Airlines
Jan 23
STL1:00 pmLambert-St Louis
17h 14m
2 stops
SCL9:14 amSantiago Arturo Merino Benitez
Feb 5
SCL10:30 pmSantiago Arturo Merino Benitez
17h 30m
2 stops
STL1:00 pmLambert-St Louis
American Airlines
May 4
STL5:54 pmLambert-St Louis
11h 51m
1 stop
SCL6:45 amSantiago Arturo Merino Benitez
Jun 3
SCL9:55 pmSantiago Arturo Merino Benitez
19h 17m
2 stops
STL4:12 pmLambert-St Louis

United Airlines flights from St. Louis to Santiago

Our best United Airlines deals on St. Louis to Santiago flight tickets
United Airlines
Jan 23
STL6:15 amLambert-St Louis
23h 35m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
Feb 5
SCL10:45 pmSantiago Arturo Merino Benitez
18h 52m
1 stop
STL2:37 pmLambert-St Louis
United Airlines
Jan 23
STL6:30 amLambert-St Louis
23h 20m
2 stops
SCL8:50 amSantiago Arturo Merino Benitez
Feb 5
SCL10:45 pmSantiago Arturo Merino Benitez
14h 10m
1 stop
STL9:55 amLambert-St Louis
United Airlines
Dec 12
STL8:40 amLambert-St Louis
21h 10m
1 stop
SCL8:50 amSantiago Arturo Merino Benitez
Dec 26
SCL10:45 pmSantiago Arturo Merino Benitez
14h 11m
1 stop
STL9:56 amLambert-St Louis

See travel insights to Santiago from

How to get the cheapest flight ticket from St. Louis to Santiago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Santiago?

In general, October is the cheapest month to fly from St. Louis to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $782. If you don’t want to visit Santiago in October, then you should wait until May to fly from St. Louis, when ticket prices are also cheap, with an average price of $802.

What is the cheapest day to depart on your flight to Santiago?

The cheapest day to depart on your flight to Santiago is on a Wednesday when prices can be found for as low as $997. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Santiago on Saturday is $1,193.

What is the cheapest time of day to depart on your flight to Santiago?

In the evening is the cheapest time of day to fly from St. Louis to Santiago when you can find flight prices for as low as $849. Flying to Santiago in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Santiago, so prices are often more expensive at around $1,142 per ticket.

How far in advance should I book a flight to Santiago?

Most flyers found that booking tickets 49 days in advance of their planned departure date is the best time to get cheap flights to Santiago. During this timeframe, flight prices are around $1,074. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $552.

Can stopping save me money on St. Louis to Santiago flights?

You could potentially save up to 27% on your flight if you consider stops on a St. Louis to Santiago flight.

When to book flights from St. Louis to Santiago

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Santiago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Santiago (STL to SCL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Santiago

Best Price Found

$392

Fastest flight time

11h 45m

Direct flights

None

Airports in Santiago

1 airport
The best one-way flight to Santiago from St. Louis in the past 72 hours is $392. The best round-trip flight deal from St. Louis to Santiago found on momondo in the last 72 hours is $821.
The fastest flight from St. Louis to Santiago takes 11h 45m
There are no direct flights from St. Louis to Santiago. Popular non-direct route for this connection is Lambert-St Louis Airport - Santiago Arturo Merino Benitez Airport.
There is 1 airport near Santiago: Santiago Arturo Merino Benitez (SCL)

  • How far is Lambert-St Louis to Santiago Arturo Merino Benitez by plane?

    The distance between Lambert-St Louis and Santiago Arturo Merino Benitez is about 5131.6 mi. Typically, this will take 11h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Santiago Arturo Merino Benitez Airport?

    Prices for flights from Lambert-St Louis Airport to Santiago Arturo Merino Benitez Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Santiago Arturo Merino Benitez Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Santiago Arturo Merino Benitez Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Santiago Arturo Merino Benitez Airport.

  • What documentation or ID do you need to fly to Santiago Arturo Merino Benitez Airport?

    The required travel and health documents for your Santiago Arturo Merino Benitez Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santiago Arturo Merino Benitez Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to Santiago?


Best airlines flying from St. Louis to Santiago

Compare and see reviews for airlines that fly from St. Louis to Santiago with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $742Free CancellationRating
8.0
8,755 reviews
Search Delta flights
LATAM AirlinesPriceFrom $751Free CancellationRating
7.5
1,932 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $808Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $897Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Santiago?

Finding the right flight to Santiago from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santiago quick and easy, saving you time and money.

Can I find flights from St. Louis to Santiago with flexible booking policies on momondo?

Flights from St. Louis to Santiago 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 from St. Louis to Santiago?

momondo provides multiple filters to help you find the best flight to Santiago from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Santiago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Santiago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santiago and let you know when they change.


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