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 at noon.
Fly from
Fly to
Budget
$999 - $1,893
Route
Depart
Return
Price
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Mon 7/29
2 stops16h 34m
Buenos Aires Ministro Pistarini
Mon 8/12
2 stops35h 03m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Wed 11/13
1 stop18h 09m
Buenos Aires Ministro Pistarini
Thu 11/28
1 stop22h 01m
Lambert-St LouisBuenos Aires Jorge Newbery
STL - AEP
STLAEP
Lambert-St Louis
Wed 11/13
2 stops25h 14m
Buenos Aires Jorge Newbery
Thu 11/28
2 stops20h 23m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Tue 10/15
2 stops19h 52m
Buenos Aires Ministro Pistarini
Wed 10/23
2 stops17h 13m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Tue 10/15
1 stop25h 29m
Buenos Aires Ministro Pistarini
Wed 10/23
2 stops19h 06m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Thu 7/4
2 stops23h 08m
Buenos Aires Ministro Pistarini
Sat 7/13
3 stops33h 39m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Tue 10/15
2 stops24h 50m
Buenos Aires Ministro Pistarini
Wed 10/23
3 stops30h 40m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Thu 7/4
1 stop21h 02m
Buenos Aires Ministro Pistarini
Sat 7/13
1 stop51h 17m
Lambert-St LouisBuenos Aires Ministro Pistarini
STL - EZE
STLEZE
Lambert-St Louis
Sat 8/3
3 stops42h 10m
Buenos Aires Ministro Pistarini
Fri 8/9
2 stops33h 42m
BUE Temperature | 51.8 - 77 °F |
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If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).
Food
Boarding
Overall
Entertainment
Crew
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.
Food
Boarding
Overall
Entertainment
Crew
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.
Food
Boarding
Overall
Entertainment
Crew
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.
Food
Boarding
Overall
Entertainment
Crew
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.
Food
Boarding
Overall
Entertainment
Crew
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.
Food
Boarding
Overall
Entertainment
Crew
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.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
United Airlines | Cheapest$814 | Average$1,188 | FlexibilityNo cancel fee | On-time69% |
Delta | Cheapest$929 | Average$1,271 | FlexibilityNo cancel fee | On-timeN/A |
American Airlines | Cheapest$959 | Average$1,265 | FlexibilityNo cancel fee | On-time71% |
Copa Airlines | Cheapest$1,003 | Average$1,413 | FlexibilityNo cancel fee | On-time70% |
LATAM Airlines | Cheapest$1,100 | Average$1,546 | FlexibilityNo cancel fee | On-time81% |