Cheap flights from St. Louis (STL) to Argentina from $1,013

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — EZE
May 18 — May 251

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

Travelers have found it’s best to book a flight 55 days in advance to save up to 43% 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 55 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 $1,238, or $1,481 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 December. For low rates, October can be a great choice for travel to Argentina. Flights to Argentina from St. Louis in October are about $1,219 on average during October, but can be found for as low as $837.

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.

Cheap United Airlines flights from St. Louis to Argentina

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Argentina. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from St. Louis to Argentina. Deals update often to give you more flight options matching your criteria
Sun 6/305:30 pmSTL - EZE
2 stops36h 30mUnited Airlines
Mon 7/299:00 pmEZE - STL
1 stop27h 17mUnited Airlines
Deal found 5/11$1,013
Sun 6/305:03 pmSTL - EZE
1 stop12h 57mUnited Airlines
Mon 7/299:00 pmEZE - STL
1 stop27h 17mUnited Airlines
Deal found 5/11$1,049

Cheap Delta flights from St. Louis to Argentina

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Argentina. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Browse through some of the cheapest Delta flights traveling from St. Louis to Argentina. Check back soon if you're not seeing flights that suit your needs.
Sat 9/75:05 pmSTL - EZE
1 stop14h 35mDelta
Tue 9/108:00 pmEZE - STL
1 stop18h 54mDelta
Deal found 5/12$1,040
Sun 11/35:05 pmSTL - EZE
2 stops22h 30mDelta
Fri 11/83:45 amEZE - STL
2 stops22h 50mDelta
Deal found 5/11$1,080
Thu 8/85:05 pmSTL - EZE
1 stop14h 35mDelta
Sat 8/173:45 amEZE - STL
2 stops21h 54mDelta
Deal found 5/12$1,137
Wed 5/2912:53 pmSTL - EZE
1 stop18h 47mDelta
Mon 6/177:35 amEZE - STL
2 stops18h 08mDelta
Deal found 5/12$1,164
Thu 10/107:15 pmSTL - EZE
1 stop12h 20mDelta
Fri 10/257:35 amEZE - STL
2 stops18h 00mDelta
Deal found 5/12$1,177
Thu 10/105:05 pmSTL - AEP
2 stops15h 55mDelta
Fri 10/253:30 pmAEP - STL
2 stops21h 13mDelta
Deal found 5/12$1,200
Sat 6/156:05 amSTL - EZE
2 stops22h 10mDelta
Sun 6/236:10 amEZE - STL
2 stops17h 03mDelta
Deal found 5/11$1,214
Sat 6/155:25 pmSTL - EZE
1 stop14h 20mDelta
Sat 6/223:45 amEZE - STL
2 stops21h 58mDelta
Deal found 5/11$1,329
Thu 10/1011:51 amSTL - EZE
1 stop19h 44mDelta
Fri 10/258:00 pmEZE - STL
1 stop21h 56mDelta
Deal found 5/12$1,354

Cheap St. Louis to Argentina flights in May & June 2024

Find cheap flight options from St. Louis to Argentina specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Prices were last updated on May 13, 2024.
These are some of the most attractive deals on flights from St. Louis to Argentina in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 6/305:30 pmSTL - EZE
2 stops36h 30mUnited Airlines
Mon 7/299:00 pmEZE - STL
1 stop27h 17mUnited Airlines
Deal found 5/11$1,013
Sun 6/305:22 pmSTL - EZE
2 stops34h 13mMultiple Airlines
Sun 7/281:40 amEZE - STL
2 stops34h 06mMultiple Airlines
Deal found 5/11$1,031
Sun 6/3010:15 amSTL - EZE
2 stops30h 15mDelta
Mon 7/297:35 amEZE - STL
2 stops18h 04mDelta
Deal found 5/11$1,040
Sun 6/305:03 pmSTL - EZE
1 stop12h 57mUnited Airlines
Mon 7/299:00 pmEZE - STL
1 stop27h 17mUnited Airlines
Deal found 5/11$1,049
Wed 5/2912:53 pmSTL - EZE
1 stop18h 47mDelta
Mon 6/177:35 amEZE - STL
2 stops18h 08mDelta
Deal found 5/13$1,164
Wed 5/292:00 pmSTL - EZE
2 stops18h 00mAmerican Airlines
Mon 6/1710:25 pmEZE - STL
2 stops20h 53mAmerican Airlines
Deal found 5/12$1,167
Wed 6/121:55 pmSTL - AEP
3 stops37h 05mMultiple Airlines
Wed 6/194:40 pmAEP - STL
2 stops26h 48mMultiple Airlines
Deal found 5/13$1,202
Sat 6/156:05 amSTL - EZE
2 stops22h 10mDelta
Sun 6/238:00 pmEZE - STL
1 stop18h 01mDelta
Deal found 5/11$1,214
Thu 6/2010:15 amSTL - EZE
2 stops18h 00mDelta
Tue 6/258:00 pmEZE - STL
1 stop22h 20mDelta
Deal found 5/13$1,224

St. Louis to Argentina 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Argentina in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
These are some of the most attractive deals on flights from St. Louis to Argentina in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 6/305:30 pmSTL - EZE
2 stops36h 30mUnited Airlines
Mon 7/299:00 pmEZE - STL
1 stop27h 17mUnited Airlines
Deal found 5/11$1,013
Sun 6/305:22 pmSTL - EZE
2 stops34h 13mMultiple Airlines
Sun 7/281:40 amEZE - STL
2 stops34h 06mMultiple Airlines
Deal found 5/11$1,031
Sat 9/711:51 amSTL - EZE
2 stops16h 24mDelta
Tue 9/108:00 pmEZE - STL
1 stop21h 56mDelta
Deal found 5/12$1,040
Wed 11/1311:51 amSTL - EZE
2 stops19h 09mDelta
Thu 11/288:55 pmEZE - STL
1 stop22h 01mDelta
Deal found 5/12$1,041
Wed 11/1311:58 amSTL - EZE
1 stop19h 12mAmerican Airlines
Wed 11/2712:40 amEZE - STL
2 stops19h 34mAmerican Airlines
Deal found 5/12$1,043
Sun 6/305:03 pmSTL - EZE
1 stop12h 57mUnited Airlines
Mon 7/299:00 pmEZE - STL
1 stop27h 17mUnited Airlines
Deal found 5/11$1,049
Sun 11/35:05 pmSTL - EZE
2 stops22h 30mDelta
Fri 11/83:45 amEZE - STL
2 stops22h 50mDelta
Deal found 5/11$1,080
Thu 8/812:48 pmSTL - EZE
2 stops19h 12mAmerican Airlines
Sun 8/188:55 pmEZE - STL
2 stops21h 15mAmerican Airlines
Deal found 5/12$1,083
Wed 11/136:02 pmSTL - EZE
1 stop13h 08mAmerican Airlines
Wed 11/2712:40 amEZE - STL
1 stop25h 31mAmerican Airlines
Deal found 5/12$1,121

St. Louis to Argentina flights leaving soon

Find last-minute flight options from St. Louis to Argentina for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Check out these flights departing soon from St. Louis to Argentina. Users should examine the flight details to ensure there are no surprises.
Mon 5/209:50 amSTL - AEP
2 stops34h 30mMultiple Airlines
Mon 5/271:35 pmAEP - STL
2 stops27h 46mMultiple Airlines
Deal found 5/13$1,597

Find flights from St. Louis to Argentina within your budget

Customize your flight search to find flights from St. Louis to Argentina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,013 - $1,967

Route

Depart

Return

Price

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Sun 6/30

2 stops36h 30m

Buenos Aires Ministro Pistarini

Mon 7/29

1 stop27h 17m

$1,013

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Sun 6/30

2 stops34h 13m

Buenos Aires Ministro Pistarini

Sun 7/28

2 stops34h 06m

$1,031

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Sat 9/7

1 stop14h 35m

Buenos Aires Ministro Pistarini

Tue 9/10

1 stop18h 54m

$1,040

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Sun 6/30

1 stop12h 57m

Buenos Aires Ministro Pistarini

Mon 7/29

1 stop27h 17m

$1,049

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Sun 11/3

2 stops22h 30m

Buenos Aires Ministro Pistarini

Fri 11/8

2 stops22h 50m

$1,080

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Thu 8/8

2 stops19h 12m

Buenos Aires Ministro Pistarini

Sun 8/18

2 stops21h 15m

$1,083

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Wed 5/29

2 stops18h 00m

Buenos Aires Ministro Pistarini

Mon 6/17

2 stops20h 53m

$1,167

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Wed 5/29

2 stops20h 45m

Buenos Aires Ministro Pistarini

Mon 6/17

3 stops25h 16m

$1,389

Lambert-St LouisBuenos Aires Ministro Pistarini

STL - EZE

STLEZE

Lambert-St Louis

Thu 10/10

2 stops16h 24m

Buenos Aires Ministro Pistarini

Thu 10/24

2 stops21h 50m

$1,967

Flights are sorted by cheapest first

Deals found on 5/11

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Argentina. Reviews last updated May 13, 2024.
See what other customers who have flown with United Airlines, Delta and American Airlines from St. Louis to Argentina have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,736 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,736 reviews
8.0
Very good
10,736 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
2,423 reviews
8.0
Very good
10,736 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,981 reviews
8.0
Very good
10,736 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,608 reviews
8.0
Very good
10,736 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.0
Good
6,937 reviews
8.0
Very good
10,736 reviews

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.4

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Argentina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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.

  • Can I find flights from St. Louis to Argentina for under $1,100 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Argentina for under $1,100. The cheapest flight booked recently is on United Airlines for just $1,013, but on average you can expect to pay $1,218.

  • Are there last-minute flights available from St. Louis to Argentina for under $1,600?

    There are currently 1+ open flights from St. Louis to Argentina within the next 7 days for less than $1,600.

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

  • What does STL to EZE mean?

    Lambert-St Louis Airport is STL and Buenos Aires Ministro Pistarini Airport is EZE. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Buenos Aires Jorge Newbery Airport (AEP), San Carlos de Bariloche Teniente Luis Candelaria Airport (BRC), Cordoba Pajas Blancas Airport (COR), Mendoza El Plumerillo Airport (MDZ), Ushuaia Malvinas Argentinas Airport (USH) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from St. Louis to Argentina that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Argentina flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Argentina with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Argentina flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Argentina that include hotel bookings?

    Yes. In addition to deals on St. Louis to Argentina flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Argentina?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Argentina.

  • Can I find deals for business class flights from St. Louis to Argentina?

    Yes. Cheapflights offers flight deals from St. Louis to Argentina by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Argentina that allow pets onboard?

    Many airlines flying from St. Louis to Argentina offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Argentina?

    Yes, you can often find last-minute deals on St. Louis to Argentina flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Argentina flight deals updated?

    The St. Louis to Argentina flight deals you see on this page were last updated on 5/12.

See more FAQs

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Alternative routes for St. Louis to Argentina
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from St. Louis to Argentina

Discover the top 5 airlines that operate flights from St. Louis to Argentina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$814Average$1,197FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$925Average$1,283FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$959Average$1,265FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Copa AirlinesCheapest$1,003Average$1,413FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
LATAM AirlinesCheapest$1,100Average$1,546FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Search flights from St. Louis to Argentina by cabin class

Find flights from St. Louis to Argentina, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Argentina?

Deals for St. Louis to Argentina flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Argentina?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Argentina by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Argentina with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Argentina, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Argentina become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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