Cheap flights from St. Louis (STL) to Argentina

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
St. Louis (STL) to Argentina

All the information you need to plan the best STL to EZE flight in 2022: compare St. Louis to Argentina flight prices with the expected peak season, weather and rainfall in Argentina.
When is the cheapest time to fly from St. Louis to Argentina (STL - AR)?

When flying from St. Louis to Argentina, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How far in advance should I book a flight from St. Louis to Argentina?

Travelers have found it’s best to book a flight 39 days in advance to save up to 39% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 39 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Argentina 1-2 weeks in advance for as low as $1,390, or $1,610 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Argentina?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, July can be a great choice for travel to Argentina. Flights to Argentina from St. Louis in July are about $1,200 on average during July, but can be found for as low as $934.

Cheap flights from St. Louis to Argentina in May, June 2022

The best prices found for STL to Argentina flights for May, June
19 Jun - 26 Jun
$1,115pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
 
1 STOP
STL
Lambert-St Louis
4 Jun - 11 Jun
$1,119pp
STL
Lambert-St Louis
Copa Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Copa Airlines
   
2 STOPS
STL
Lambert-St Louis
19 Jun - 26 Jun
$1,120pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
 
1 STOP
STL
Lambert-St Louis

Lambert-St Louis to Argentina 2022 flight deals

Cheap flights to Argentina from St. Louis found for this year
17 Oct - 1 Nov
$977pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
United Airlines
 
1 STOP
STL
Lambert-St Louis
1 Nov - 10 Nov
$978pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
American Airlines
   
2 STOPS
STL
Lambert-St Louis
17 Oct - 1 Nov
$980pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
American Airlines
   
2 STOPS
STL
Lambert-St Louis

Last minute flights from St. Louis to Argentina

Late deals on round-trip flights to Argentina from St. Louis, departing today and this week
27 May - 3 Jun
$1,352pp
STL
Lambert-St Louis
Delta
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
 
1 STOP
STL
Lambert-St Louis
27 May - 3 Jun
$1,356pp
STL
Lambert-St Louis
Delta
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
   
2 STOPS
STL
Lambert-St Louis
27 May - 3 Jun
$1,556pp
STL
Lambert-St Louis
LATAM Airlines
   
2 STOPS
AEP
Buenos Aires Jorge Newbery
AEP
Buenos Aires Jorge Newbery
LATAM Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Argentina from St. Louis

The cheapest one-way flights from St. Louis to Argentina
2:31 am - 2:41 am
Copa Airlines
2 Stops
22h 10m
STL - EZE
Copa Airlines
$512
Priceline
3:01 pm - 2:14 am
American Airlines
2 Stops
33h 13m
STL - EZE
American Airlines
1:26 pm - 3:55 am
United Airlines
2 Stops
36h 29m
STL - EZE
United Airlines
$673
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Argentina</span> flights.

Flight FAQs

From St. Louis to Argentina

What airport do you fly from for flights from St. Louis to Argentina?

Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Argentina. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Which airlines flying from Lambert-St Louis to Argentina have flexible cancellations due to COVID-19?

Delta, American Airlines, and Air Canada are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from St. Louis to Argentina for under $1,000 on Cheapflights?

Yes, there are multiple flights from St. Louis to Argentina for under $1,000. The cheapest flight booked recently is on United Airlines for just $977, but on average you can expect to pay $1,053.

Are there last-minute flights available from St. Louis to Argentina for under $1,400?

There are currently 20+ open flights from St. Louis to Argentina within the next 7 days for less than $1,400.

What are the cheapest airlines to fly from St. Louis to Argentina one-way?

The cheapest airlines for a one-way flight from St. Louis to Argentina are Copa Airlines ($511), United Airlines ($585), and American Airlines ($645).

What are the cheapest flights from St. Louis to Argentina?

Looking for the cheapest flight from St. Louis to Argentina? While on average our users pay $1,361, our data indicates the cheapest price to be $1,108. The most popular route (Lambert-St Louis - Buenos Aires Ministro Pistarini), is priced around $1,042.

What are the most popular airlines that fly from St. Louis to Argentina?

American Airlines, Air Canada and Delta are the most popular airlines when flying from St. Louis to Argentina.

COVID Restrictions

View COVID Travel Restrictions for Argentina

Do I need a COVID test to fly to Argentina from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Argentina

Most visitors from Lambert-St Louis can enter Argentina without restrictions.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Argentina.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Argentina.

Documents
Contact-Tracing App - Must be downloaded for a minimum period of 14 days.


Do I need a test to fly back to St. Louis from Argentina?

Returning to Lambert-St Louis from Argentina

COVID-19 testing requirements
Visitors from Argentina must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Argentina are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Argentina

Destination information for Argentina

Things to know before you go - useful duration and weather info for your trip from St. Louis to Argentina.
Today's exchange rate
$1 = $118.48

Airports servicing St. Louis

Airports servicing

Bahía Blanca Comandante (BHI)
San Carlos de Bariloche Teniente Luis Candelaria (BRC)
Corrientes Camba Punta (CNQ)
Concordia (COC)
Cordoba (COR)
San Martín de los Andes Chapelco (CPC)

Top 4 airlines flying from Lambert-St Louis to Argentina

The chart below displays the airlines Cheapflights users traveling from St. Louis to Argentina choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$885 $1,061 No cancel fee N/A
United Airlines
$895 $1,116 No cancel fee 69%
American Airlines
$917 $1,315 No cancel fee 71%
Air Canada
$934 $1,237 No cancel fee 67%
Home South America Argentina Cheap flights from St. Louis to Argentina