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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 March , April 2026

07 Mar - 23 Apr $ 1,422.00
CHI
Chicago
Alaska Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Alaska Airlines
2 STOPS
CHI
Chicago
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08 Mar - 10 Apr $ 2,230.00
CHI
Chicago
Korean Air
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Korean Air
1 STOPS
CHI
Chicago
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08 Mar - 07 Apr $ 3,002.00
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

07 Mar - 01 Apr $ 1,474.00
CHI
Chicago
Air Serbia
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Air Serbia
2 STOPS
CHI
Chicago
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07 Mar - 01 Apr $ 1,484.00
CHI
Chicago
Alaska Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Alaska Airlines
3 STOPS
CHI
Chicago
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07 Mar - 01 Apr $ 1,507.00
CHI
Chicago
Air Serbia
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Air Serbia
2 STOPS
CHI
Chicago
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One-way flights to Ulaanbaatar from Chicago

7:00 AM - 11:55 PM
MIAT Mongolian Airlines
2 Stops
29h 40m
CHI - ULN
$ 621
Kiwi
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7:00 AM - 11:55 PM
MIAT Mongolian Airlines
2 Stops
29h 40m
CHI - ULN
$ 658
Kiwi
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9:20 PM - 6:15 PM
MIAT Mongolian Airlines
1 Stops
21h 10m
CHI - ULN
$ 786
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.