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Cheap flights from Buenos Aires to St. Louis from $507

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Buenos Aires to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:25 pm - 12:26 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
17h 01m1 stop Dallas/Fort Worth
American Airlines Logo
2:54 pm - 9:00 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
15h 06m1 stop Dallas/Fort Worth
$1,258American Airlines
Thu, Nov 19 - Wed, Dec 2
American Airlines Logo
9:30 pm - 1:58 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
19h 28m2 stops Miami Dallas/Fort Worth
American Airlines Logo
2:00 pm - 9:05 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
16h 05m2 stops Charlotte Douglas Miami
$1,262American Airlines
Thu, Nov 19 - Wed, Dec 2
American Airlines Logo
10:25 pm - 12:26 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
17h 01m1 stop Dallas/Fort Worth
American Airlines Logo
2:54 pm - 9:00 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
15h 06m1 stop Dallas/Fort Worth
$1,308American Airlines
Thu, Nov 19 - Wed, Dec 2
American Airlines Logo
9:30 pm - 12:44 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
18h 14m2 stops Miami Chicago O'Hare Intl
American Airlines Logo
10:35 am - 8:05 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
18h 30m2 stops Charlotte Douglas Miami
$1,312American Airlines
Thu, Nov 19 - Wed, Dec 2
Delta Logo
11:35 pm - 9:38 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
25h 03m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:45 am - 9:40 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
20h 55m2 stops Detroit Metropolitan Wayne County Miami
$1,357Delta
Sat, Dec 5 - Wed, Apr 28
Delta Logo
11:35 pm - 12:05 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
27h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
22h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
$1,411Delta
Sat, Dec 5 - Wed, Apr 28
LATAM Airlines Logo
7:20 am - 12:05 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
19h 45m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
LATAM Airlines Logo
9:00 am - 6:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
19h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl
$1,505LATAM Airlines
Sat, Dec 5 - Wed, Apr 28
Air Canada Logo
4:45 pm - 3:26 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
25h 41m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
Air Canada Logo
4:05 pm - 3:05 pmSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
20h 00m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
$1,713Air Canada
Fri, Feb 26 - Tue, Mar 2
Air Canada Logo
4:45 pm - 3:26 pmEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
25h 41m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
Air Canada Logo
4:05 pm - 3:05 pmSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
20h 00m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
$1,716Air Canada
Fri, Feb 26 - Tue, Mar 2
United Airlines Logo
10:05 pm - 9:22 amEZE  Buenos Aires Ministro Pistarini-STL Lambert-St Louis
14h 17m1 stop Houston George Bush Intcntl
United Airlines Logo
6:10 am - 7:20 amSTL  Lambert-St Louis-EZE Buenos Aires Ministro Pistarini
22h 10m1 stop Houston George Bush Intcntl
$1,785United Airlines
Fri, Feb 26 - Tue, Mar 2

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Delta flights from Buenos Aires to St. Louis

Our best Delta deals on Buenos Aires to St. Louis flight tickets
Delta
Dec 5
EZE8:05 pmBuenos Aires Ministro Pistarini
20h 25m
2 stops
STL1:30 pmLambert-St Louis
Apr 28
STL1:30 pmLambert-St Louis
18h 10m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
$1,357
Delta
Dec 5
EZE11:35 pmBuenos Aires Ministro Pistarini
16h 53m
1 stop
STL1:28 pmLambert-St Louis
Apr 28
STL1:30 pmLambert-St Louis
18h 15m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,411

LATAM Airlines flights from Buenos Aires to St. Louis

Our best LATAM Airlines deals on Buenos Aires to St. Louis flight tickets
LATAM Airlines
Dec 5
EZE7:20 amBuenos Aires Ministro Pistarini
19h 45m
2 stops
STL12:05 amLambert-St Louis
Apr 28
STL9:00 amLambert-St Louis
19h 20m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
$1,505
LATAM Airlines
Mar 30
EZE4:00 amBuenos Aires Ministro Pistarini
30h 12m
2 stops
STL8:12 amLambert-St Louis
Apr 3
STL7:20 amLambert-St Louis
21h 00m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
$2,211

momondo Fare Finder

 
Use the filters below to find and compare flights from Buenos Aires to St. Louis that are best for you.

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Quickest round-trip

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Thu 11/19

10:25 pm-12:26 pm

1 stop17h 01m

Lambert-St Louis

Wed 12/2

2:54 pm-9:00 am

1 stop15h 06m

$1,258

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Thu 11/19

9:30 pm-1:58 pm

2 stops19h 28m

Lambert-St Louis

Wed 12/2

2:00 pm-9:05 am

2 stops16h 05m

$1,262

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Thu 11/19

10:25 pm-12:26 pm

1 stop17h 01m

Lambert-St Louis

Wed 12/2

2:54 pm-9:00 am

1 stop15h 06m

$1,308

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Thu 11/19

9:30 pm-12:44 pm

2 stops18h 14m

Lambert-St Louis

Wed 12/2

10:35 am-8:05 am

2 stops18h 30m

$1,312

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Sat 12/5

11:35 pm-9:38 pm

1 stop25h 03m

Lambert-St Louis

Wed 4/28

10:45 am-9:40 am

2 stops20h 55m

$1,357

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Sat 12/5

11:35 pm-12:05 am

1 stop27h 30m

Lambert-St Louis

Wed 4/28

6:00 am-6:20 am

2 stops22h 20m

$1,411

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Sat 12/5

7:20 am-12:05 am

2 stops19h 45m

Lambert-St Louis

Wed 4/28

9:00 am-6:20 am

2 stops19h 20m

$1,505

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Fri 2/26

4:45 pm-3:26 pm

2 stops25h 41m

Lambert-St Louis

Tue 3/2

4:05 pm-3:05 pm

2 stops20h 00m

$1,713

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Fri 2/26

4:45 pm-3:26 pm

2 stops25h 41m

Lambert-St Louis

Tue 3/2

4:05 pm-3:05 pm

2 stops20h 00m

$1,716

Buenos AiresSt. Louis

EZE Buenos Aires Ministro Pistarini - STL Lambert-St Louis

EZESTL

Buenos Aires Ministro Pistarini

Fri 2/26

10:05 pm-9:22 am

1 stop14h 17m

Lambert-St Louis

Tue 3/2

6:10 am-7:20 am

1 stop22h 10m

$1,785

Flights are sorted by cheapest round-trip flights first.

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

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

You could potentially save up to 32% on your flight if you consider stops on a Buenos Aires to St. Louis flight.

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

$507

Fastest flight time

21h 38m

Direct flights

None
The best one-way flight to St. Louis from Buenos Aires in the past 72 hours is $507. The best round-trip flight deal from Buenos Aires to St. Louis found on momondo in the last 72 hours is $1,258.
The fastest flight from Buenos Aires to St. Louis takes 21h 38m
There are no direct flights from Buenos Aires to St. Louis. There are no popular flight routes from Buenos Aires to St. Louis.
Search flight deals

Frequently asked questions about flying from Buenos Aires to St. Louis

  • 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 21h 38m, 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 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.

Traveling to a place near St. Louis?

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

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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