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.
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 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.
Fly from
Fly to
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
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
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
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
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
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
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
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
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
No data available for this route at this time. Please check back soon.
Boarding
Overall
Crew
Food
Entertainment
Comfort
Reviews
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.
Boarding
Overall
Crew
Food
Entertainment
Comfort
Reviews
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.
Boarding
Overall
Crew
Food
Entertainment
Comfort
Reviews
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.
Boarding
Overall
Crew
Food
Entertainment
Comfort
Reviews
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.
Boarding
Overall
Crew
Food
Entertainment
Comfort
Reviews
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.
Boarding
Overall
Crew
Food
Entertainment
Comfort
Reviews
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.
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.
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.
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.
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!