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Cheap flights from Buenos Aires to St. Louis from $816

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to St. Louis departing on 5/16. 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 Buenos Aires to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Buenos Aires to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
9:00 pm - 9:56 amEZE-STL
14h 56m1 stop
4:50 pm - 8:00 amSTL-EZE
13h 10m1 stop
$1,112United Airlines
Find Deal
Wed, Apr 2 - Mon, May 5
9:00 pm - 2:42 pmEZE-STL
19h 42m2 stops
4:50 pm - 8:00 amSTL-EZE
13h 10m1 stop
$1,117United Airlines
Find Deal
Thu, Apr 3 - Mon, May 5
5:33 am - 10:38 amEZE-STL
31h 05m2 stops
7:05 pm - 2:30 amSTL-EZE
29h 25m2 stops
$1,130LATAM Airlines
Find Deal
Tue, Jul 1 - Sun, Jul 13
5:33 am - 11:39 pmEZE-STL
44h 06m2 stops
5:40 pm - 2:30 amSTL-EZE
30h 50m2 stops
$1,145LATAM Airlines
Find Deal
Tue, Jul 1 - Sun, Jul 13
3:55 am - 11:31 pmEZE-STL
21h 36m2 stops
5:40 pm - 9:45 amSTL-EZE
14h 05m1 stop
$1,246Delta
Find Deal
Tue, Apr 1 - Thu, May 8
8:10 pm - 3:21 pmEZE-STL
21h 11m1 stop
7:10 pm - 9:45 amSTL-EZE
12h 35m1 stop
$1,284Delta
Find Deal
Fri, Apr 4 - Wed, May 7
12:48 pm - 9:14 amEZE-STL
22h 26m2 stops
1:30 pm - 2:30 pmSTL-EZE
47h 00m3 stops
$1,541
Find Deal
Tue, Apr 1 - Tue, May 13
3:40 am - 11:56 pmEZE-STL
22h 16m2 stops
1:30 pm - 2:30 pmSTL-EZE
23h 00m2 stops
$1,590
Find Deal
Mon, Mar 31 - Tue, May 13
4:35 pm - 2:49 pmEZE-STL
24h 14m2 stops
1:30 pm - 2:30 pmSTL-EZE
47h 00m3 stops
$1,742Air Canada
Find Deal
Wed, Apr 2 - Tue, May 13
4:35 pm - 2:49 pmEZE-STL
24h 14m2 stops
7:30 am - 2:30 pmSTL-EZE
29h 00m2 stops
$1,758Air Canada
Find Deal
Wed, Apr 2 - Fri, May 16

United Airlines flights from Buenos Aires to St. Louis

Our best United Airlines deals on Buenos Aires to St. Louis flight tickets
United Airlines
Apr 2
EZE9:00 pmBuenos Aires Ministro Pistarini
14h 56m
1 stop
STL9:56 amLambert-St Louis
May 5
STL4:50 pmLambert-St Louis
13h 10m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
United Airlines
Apr 3
EZE9:00 pmBuenos Aires Ministro Pistarini
19h 42m
2 stops
STL2:42 pmLambert-St Louis
May 5
STL4:50 pmLambert-St Louis
13h 10m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
United Airlines
Apr 3
EZE9:00 pmBuenos Aires Ministro Pistarini
27h 09m
1 stop
STL10:09 pmLambert-St Louis
May 5
STL4:50 pmLambert-St Louis
13h 10m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini

LATAM Airlines flights from Buenos Aires to St. Louis

Our best LATAM Airlines deals on Buenos Aires to St. Louis flight tickets
LATAM Airlines
Jul 1
EZE5:33 amBuenos Aires Ministro Pistarini
31h 05m
2 stops
STL10:38 amLambert-St Louis
Jul 13
STL7:05 pmLambert-St Louis
29h 25m
2 stops
EZE2:30 amBuenos Aires Ministro Pistarini
LATAM Airlines
Jul 1
EZE5:33 amBuenos Aires Ministro Pistarini
44h 06m
2 stops
STL11:39 pmLambert-St Louis
Jul 13
STL5:40 pmLambert-St Louis
30h 50m
2 stops
EZE2:30 amBuenos Aires Ministro Pistarini
LATAM Airlines
Jun 30
EZE3:55 amBuenos Aires Ministro Pistarini
32h 43m
2 stops
STL10:38 amLambert-St Louis
Jul 13
STL7:05 pmLambert-St Louis
29h 25m
2 stops
EZE2:30 amBuenos Aires Ministro Pistarini

See travel insights to St. Louis from

How to get the cheapest flight ticket from Buenos Aires to St. Louis

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 day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Monday when prices can be found for as low as $958. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,214. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Buenos Aires in the morning is the least expensive time of day to depart. momondo users have found prices as low as $958 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,171 per ticket.

When to book flights from Buenos Aires to St. Louis

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

Cheap Buenos Aires to St. Louis (BUE to STL) flight deals and tips

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

Best Price Found

$816

Fastest flight time

13h 56m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Buenos Aires in the past 72 hours is $816. The best round-trip flight deal from Buenos Aires to St. Louis found on momondo in the last 72 hours is $1,112.
The fastest flight from Buenos Aires to St. Louis takes 13h 56m
There are no direct flights from Buenos Aires to St. Louis. Popular non-direct route for this connection is Buenos Aires Ministro Pistarini Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Buenos Aires to Lambert-St Louis by plane?

    Buenos Aires and Lambert-St Louis are 5450.9 mi apart from one another. Flights usually cover this in 13h 56m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Buenos Aires to Lambert-St Louis Airport?

    Prices for flights from Buenos Aires to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Buenos Aires to Lambert-St Louis Airport?

  • How old do you have to be to fly from Buenos Aires to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis 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 Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from Buenos Aires to St. Louis

Compare and see reviews for airlines that fly from Buenos Aires to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $882Free CancellationRating
8.0
8,203 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Collinsville
Florissant
Maryland Heights
Hermann
Fairview Heights
Fenton
O'Fallon
Farmington
Alton
St. Peters
Wentzville
Eureka
Festus
Glencoe
Clayton
Edwardsville
Litchfield
Grafton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buenos Aires to St. Louis. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to St. Louis from Buenos Aires which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Buenos Aires 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 from Buenos Aires to St. Louis.

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

Of course. momondo tracks the price of Buenos Aires to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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