What is the cheapest airline that flies from Lambert-St Louis to Argentina?

Delta is the most popular carrier operating from Lambert-St Louis to Argentina

What airlines fly to Argentina?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Argentina from St. Louis according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Argentina. Keep in mind that there are 4 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Lambert-St Louis Airport to Argentina refresh daily.

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

There are 3 operators available for flights from Lambert-St Louis Airport to Argentina as of February 2025.

How old do you have to be to fly from Lambert-St Louis Airport to Argentina?

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 Lambert-St Louis Airport to Argentina.

What documentation or ID do you need to fly to Argentina?

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

$908 Cheap Flights from St. Louis to Argentina in 2025

1 adult

0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Argentina

Round-trip

One-way

Last minute

Cheap round-trip flights

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

8:25 am - 7:47 amSTL-EZE

21h 22m2 stops

2:43 pm - 10:08 amEZE-STL

21h 25m2 stops

$932Copa Airlines

Find Deal

Tue, Mar 11 - Tue, Mar 18

10:42 am - 6:10 amSTL-EZE

17h 28m2 stops

12:48 pm - 9:36 amEZE-STL

22h 48m2 stops

$1,137LATAM Airlines

Find Deal

Fri, Apr 18 - Tue, Apr 29

3:30 pm - 2:30 pmSTL-EZE

21h 00m2 stops

4:35 pm - 8:01 pmEZE-STL

53h 26m3 stops

$1,148Air Canada

Find Deal

Fri, Apr 18 - Mon, Apr 28

4:05 pm - 9:45 amSTL-EZE

15h 40m1 stop

8:10 pm - 4:26 pmEZE-STL

22h 16m1 stop

$1,151Delta

Find Deal

Thu, Apr 24 - Tue, Apr 29

5:32 pm - 9:45 amSTL-EZE

14h 13m1 stop

8:10 pm - 4:26 pmEZE-STL

22h 16m1 stop

$1,163Delta

Find Deal

Fri, Apr 18 - Mon, Apr 28

8:00 am - 8:00 amSTL-EZE

22h 00m2 stops

9:00 pm - 9:56 amEZE-STL

14h 56m1 stop

$1,198United Airlines

Find Deal

Thu, Apr 24 - Tue, Apr 29

6:30 am - 8:00 amSTL-EZE

23h 30m2 stops

9:00 pm - 9:56 amEZE-STL

14h 56m1 stop

$1,205United Airlines

Find Deal

Fri, Apr 18 - Mon, Apr 28

3:50 pm - 10:20 pmSTL-AEP

28h 30m2 stops

12:05 am - 4:42 pmAEP-STL

42h 37m3 stops

$1,335

Find Deal

Wed, Mar 12 - Fri, Mar 14

5:38 pm - 4:40 amSTL-EZE

33h 02m3 stops

8:00 am - 3:06 pmEZE-STL

33h 06m2 stops

$1,364

Find Deal

Tue, Mar 11 - Tue, Mar 18

1:05 pm - 2:25 pmSTL-EZE

23h 20m3 stops

4:35 pm - 2:49 pmEZE-STL

24h 14m2 stops

$1,710Air Canada

Find Deal

Fri, Mar 28 - Sat, Apr 19

Copa Airlines flights from St. Louis to Argentina

Our best Copa Airlines deals on St. Louis to Argentina flight tickets

Copa Airlines

Mar 11

STL8:25 amLambert-St Louis

21h 22m

2 stops

EZE7:47 amBuenos Aires Ministro Pistarini

Mar 18

EZE2:43 pmBuenos Aires Ministro Pistarini

21h 25m

2 stops

STL10:08 amLambert-St Louis

$932

Find similar

Copa Airlines

Mar 11

STL8:25 amLambert-St Louis

21h 22m

2 stops

EZE7:47 amBuenos Aires Ministro Pistarini

Mar 17

EZE12:22 amBuenos Aires Ministro Pistarini

21h 28m

2 stops

STL7:50 pmLambert-St Louis

$1,332

Find similar

LATAM Airlines flights from St. Louis to Argentina

Our best LATAM Airlines deals on St. Louis to Argentina flight tickets

LATAM Airlines

Apr 18

STL10:42 amLambert-St Louis

17h 28m

2 stops

EZE6:10 amBuenos Aires Ministro Pistarini

Apr 29

EZE12:48 pmBuenos Aires Ministro Pistarini

22h 48m

2 stops

STL9:36 amLambert-St Louis

$1,137

Find similar

LATAM Airlines

Apr 24

STL5:32 pmLambert-St Louis

22h 41m

2 stops

EZE6:13 pmBuenos Aires Ministro Pistarini

Apr 29

EZE12:48 pmBuenos Aires Ministro Pistarini

22h 48m

2 stops

STL9:36 amLambert-St Louis

$1,153

Find similar

LATAM Airlines

Apr 18

STL10:42 amLambert-St Louis

44h 58m

2 stops

AEP9:40 amBuenos Aires Jorge Newbery

Apr 29

AEP8:40 amBuenos Aires Jorge Newbery

26h 56m

2 stops

STL9:36 amLambert-St Louis

$1,168

Find similar

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

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

Prices

Airlines

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of August, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $1,153.

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

The cheapest day to depart from St. Louis to Argentina is on a Tuesday. Travelers who choose to depart for Argentina on a Tuesday will often find tickets for as low as $1,163. The most expensive day to fly to Argentina is Friday, with ticket prices averaging around $1,386.

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

The cheapest time of day to fly to Argentina is in the evening when flights can be purchased for as low as $1,153. Flights in the morning are often more expensive with an average ticket price of $1,368.

Cheap St. Louis to Argentina flight deals and tips

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

Best Price Found	$908
Fastest flight time	14h 13m
Direct flights	None
Airports in Argentina	2 airports

The best one-way flight to Argentina from St. Louis in the past 72 hours is $908. The best round-trip flight deal from St. Louis to Argentina found on momondo in the last 72 hours is $932.

The fastest flight from St. Louis to Argentina takes 14h 13m

There are no direct flights from St. Louis to Argentina. Popular non-direct routes for this connection are Lambert-St Louis Airport - Buenos Aires Ministro Pistarini Airport and Lambert-St Louis Airport - Buenos Aires Jorge Newbery Airport.

There are 2 airports near Argentina: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

Search flight deals

When did momondo last update prices for flights from Lambert-St Louis Airport to Argentina?
Prices for flights from Lambert-St Louis Airport to Argentina refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Argentina?
There are 3 operators available for flights from Lambert-St Louis Airport to Argentina as of February 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Argentina?
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 Lambert-St Louis Airport to Argentina.
What documentation or ID do you need to fly to Argentina?
The required travel and health documents for your Argentina 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 Argentina. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from St. Louis to Argentina

Compare and see reviews for airlines that fly from St. Louis to Argentina with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $814	Free Cancellation	Rating 7.4 8,724 reviews	Search United Airlines flights
American Airlines	PriceFrom $999	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $1,023	Free Cancellation	Rating 8.0 8,138 reviews	Search Delta flights
LATAM Airlines	PriceFrom $1,179	Free Cancellation	Rating 7.5 1,771 reviews	Search LATAM Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Argentina from St. Louis.

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

Yes. momondo allows you to filter the results for St. Louis to Argentina flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Argentina?

Once you have performed a search for St. Louis to Argentina flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for St. Louis to Argentina flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.