Best Flights starting from $902
from$902economy
Chicago (Any)
Tue, May 12
One-way
Ulaanbaatar (UBN)
—
from$971economy
Chicago (Any)
Thu, May 14
One-way
Ulaanbaatar (UBN)
—
from$976economy
Chicago (Any)
Fri, May 15
One-way
Ulaanbaatar (UBN)
—
from$1,004economy
Chicago (Any)
Sun, May 17
One-way
Ulaanbaatar (UBN)
—
from$1,007economy
Chicago (Any)
Wed, May 13
One-way
Ulaanbaatar (UBN)
—
from$1,254economy
Chicago (Any)
Mon, May 18
One-way
Ulaanbaatar (UBN)
—
from$1,329economy
Chicago (Any)
Sat, May 16
One-way
Ulaanbaatar (UBN)
—
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Other Destinations
Chicago (Any) to Los Angeles (Any) in May from $34
From $34
Chicago (Any) to Orlando (Any) in May from $46
From $46
Chicago (Any) to Dallas (Any) in May from $48
From $48
Chicago (Any) to Denver (Any) in May from $56
From $56
Chicago (Any) to Miami (Any) in May from $56
From $56
Chicago (Any) to Philadelphia (Any) in May from $60
From $60
Flights from Other Cities
Chicago (ORD) to Ulaanbaatar (UBN) in May from $1,257
From $1,257
Austin (AUS) to Ulaanbaatar (UBN) in May from $2,368
From $2,368
Washington, D.C. (IAD) to Ulaanbaatar (UBN) in June from $2,556
From $2,556
Portland (PDX) to Ulaanbaatar (UBN) in July from $4,354
From $4,354
Denver (DEN) to Ulaanbaatar (UBN) in August from $750
From $750
Portland (PDX) to Ulaanbaatar (UBN) in August from $1,536
From $1,536