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Cheap flights from Chicago (CHI) to Ulaanbaatar (ULN)

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How to find the cheapest flight from Chicago (CHI) to Ulaanbaatar (ULN)

How to find the cheapest flight from Chicago (CHI) to Ulaanbaatar (ULN)
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How to find the cheapest flight from Chicago (CHI) to Ulaanbaatar (ULN)
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How to find the cheapest flight from Chicago (CHI) to Ulaanbaatar (ULN)
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Cheap flights from Chicago to Ulaanbaatar in July , August 2026

29 Jul - 01 Sep $ 1,557.00
CHI
Chicago
MIAT Mongolian Airlines
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
MIAT Mongolian Airlines
1 STOPS
CHI
Chicago
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29 Jul - 07 Aug $ 1,989.00
CHI
Chicago
EVA Air
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
EVA Air
2 STOPS
CHI
Chicago
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29 Jul - 01 Aug $ 3,508.00
CHI
Chicago
All Nippon Airways
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
All Nippon Airways
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Ulaanbaatar

28 Jul - 01 Aug $ 2,076.00
CHI
Chicago
WestJet
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
WestJet
3 STOPS
CHI
Chicago
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28 Jul - 31 Jul $ 4,344.00
CHI
Chicago
Korean Air
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Korean Air
1 STOPS
CHI
Chicago
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28 Jul - 31 Jul $ 5,555.00
CHI
Chicago
Korean Air
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Korean Air
1 STOPS
CHI
Chicago
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One-way flights to Ulaanbaatar from Chicago

4:00 PM - 12:05 PM
MIAT Mongolian Airlines
1 Stops
35h 45m
CHI - ULN
$ 717
Kiwi
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12:30 AM - 12:05 PM
MIAT Mongolian Airlines
2 Stops
51h 15m
CHI - ULN
$ 1,075
Kiwi
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11:50 AM - 4:30 PM
United Airlines
1 Stops
20h 5m
CHI - ULN
$ 1,230
Kiwi
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How to find the cheapest flight from Chicago (CHI) to Ulaanbaatar (ULN)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) to Ulaanbaatar (ULN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Ulaanbaatar (ULN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.