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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 May , June 2026

28 May - 16 Jun $ 1,933.00
CHI
Chicago
Turkish Airlines
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Turkish Airlines
1 STOPS
CHI
Chicago
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27 May - 09 Jun $ 2,067.00
CHI
Chicago
Turkish Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Turkish Airlines
1 STOPS
CHI
Chicago
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26 May - 06 Jun $ 4,284.00
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 May - 31 May $ 2,125.00
CHI
Chicago
MIAT Mongolian Airlines
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
MIAT Mongolian Airlines
1 STOPS
CHI
Chicago
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22 May - 31 May $ 2,212.00
CHI
Chicago
MIAT Mongolian Airlines
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
MIAT Mongolian Airlines
1 STOPS
CHI
Chicago
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26 May - 31 May $ 2,960.00
CHI
Chicago
MIAT Mongolian Airlines
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
MIAT Mongolian Airlines
1 STOPS
CHI
Chicago
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One-way flights to Ulaanbaatar from Chicago

10:00 AM - 12:05 AM
MIAT Mongolian Airlines
3 Stops
27h 45m
CHI - ULN
$ 1,128
Kiwi
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7:10 AM - 4:30 PM
United Airlines
2 Stops
24h 45m
CHI - ULN
$ 1,233
Kiwi
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7:40 AM - 4:30 PM
United Airlines
2 Stops
24h 15m
CHI - ULN
$ 1,235
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.