Best Flights starting from $713
from$713economy
Chicago (ORD)
Mon, Oct 12
Roundtrip
Buenos Aires (Any)
Thu, Oct 22
from$950economy
Chicago (ORD)
Fri, Oct 9
Roundtrip
Buenos Aires (Any)
Mon, Oct 19
from$962economy
Chicago (ORD)
Sun, Oct 11
Roundtrip
Buenos Aires (Any)
Wed, Oct 21
from$962economy
Chicago (ORD)
Tue, Oct 13
Roundtrip
Buenos Aires (Any)
Fri, Oct 23
from$970economy
Chicago (ORD)
Sat, Oct 10
Roundtrip
Buenos Aires (Any)
Tue, Oct 20
from$970economy
Chicago (ORD)
Thu, Oct 15
Roundtrip
Buenos Aires (Any)
Sun, Oct 25
from$1,095economy
Chicago (ORD)
Wed, Oct 14
Roundtrip
Buenos Aires (Any)
Sat, Oct 24
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Other Options for This Route
Other Destinations
Chicago (ORD) to Nashville (BNA) in October from $39
From $39
Chicago (ORD) to Charlotte (CLT) in October from $54
From $54
Chicago (ORD) to Denver (DEN) in October from $54
From $54
Chicago (ORD) to New York (JFK) in October from $54
From $54
Chicago (ORD) to Orlando (MCO) in October from $64
From $64
Chicago (ORD) to Atlanta (ATL) in October from $66
From $66
Flights from Other Cities
Vitoria (VIX) to Buenos Aires (Any) in October from $360
From $360
Washington, D.C. (Any) to Buenos Aires (Any) in October from $666
From $666
Washington, D.C. (IAD) to Buenos Aires (Any) in October from $697
From $697
Chicago (Any) to Buenos Aires (Any) in October from $844
From $844
Vancouver (Any) to Buenos Aires (Any) in October from $939
From $939
St Louis (STL) to Buenos Aires (Any) in October from $1,074
From $1,074