Popular in | December |
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Cheapest in | October |
Average price | $1,159 |
Round-trip from | $791 |
Friday flights are generally found to be more expensive for flights from St. Louis to Buenos Aires. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buenos Aires.
To save up to 43% on this flight, we recommend booking at least 55 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Buenos Aires from $1,238 1-2 weeks out and tickets from $1,481 for flights departing within the next 72 hours.
October is one of the best times of the year to fly to Buenos Aires from St. Louis. Prices for October average $1,225 per person but you can even find prices for as low as $837. The most expensive prices can be found in the month of December. Opting for a October flight can save you 33% on your journey compared to booking in December
Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from St. Louis to Buenos Aires by exploring options for tickets in the afternoon.
Fly from
Fly to
Budget
$818 - $1,950
Route
Depart
Return
Price
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Fri 8/16
3 stops29h 53m
Buenos Aires Ministro Pistarini
Mon 8/26
3 stops31h 27m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Fri 8/16
3 stops29h 53m
Buenos Aires Ministro Pistarini
Tue 8/27
3 stops22h 31m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Fri 8/16
3 stops29h 53m
Buenos Aires Ministro Pistarini
Tue 8/27
2 stops22h 31m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Tue 11/5
2 stops27h 44m
Buenos Aires Ministro Pistarini
Tue 11/19
1 stop18h 59m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Tue 11/5
2 stops17h 07m
Buenos Aires Ministro Pistarini
Mon 11/18
1 stop18h 45m
Lambert-St LouisBuenos Aires Jorge Newbery
STL - AEP
STLAEP
Lambert-St Louis
Thu 10/10
2 stops32h 00m
Buenos Aires Jorge Newbery
Fri 10/25
2 stops27h 59m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Fri 8/16
2 stops23h 30m
Buenos Aires Ministro Pistarini
Tue 8/27
2 stops22h 11m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Sat 11/16
2 stops25h 25m
Buenos Aires Ministro Pistarini
Sun 12/1
3 stops25h 58m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Mon 7/1
2 stops52h 05m
Buenos Aires Ministro Pistarini
Sun 7/7
2 stops33h 42m
BUE Temperature | 51.8 - 77 °F |
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Boarding
Crew
Food
Overall
Comfort
Entertainment
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
Crew
Food
Overall
Comfort
Entertainment
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
Crew
Food
Overall
Comfort
Entertainment
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
Crew
Food
Overall
Comfort
Entertainment
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
Crew
Food
Overall
Comfort
Entertainment
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
Crew
Food
Overall
Comfort
Entertainment
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.
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