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Cheap flights from St Louis (STL) to Ulaanbaatar (ULN)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Ulaanbaatar (ULN)

How to find the cheapest flight from St Louis (STL) to Ulaanbaatar (ULN)
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How to find the cheapest flight from St Louis (STL) to Ulaanbaatar (ULN)
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How to find the cheapest flight from St Louis (STL) to Ulaanbaatar (ULN)
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Cheap flights from St Louis to Ulaanbaatar in June , July 2026

30 Jun - 15 Jul $ 2,745.00
STL
St Louis
Air Canada
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Air Canada
3 STOPS
STL
St Louis
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30 Jun - 10 Jul $ 2,825.00
STL
St Louis
Alaska Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Alaska Airlines
3 STOPS
STL
St Louis
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30 Jun - 03 Jul $ 2,826.00
STL
St Louis
Alaska Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Alaska Airlines
3 STOPS
STL
St Louis
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One-way flights to Ulaanbaatar from St Louis

8:08 PM - 2:40 PM
MIAT Mongolian Airlines
3 Stops
58h 7m
STL - ULN
$ 1,391
Kiwi
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7:56 PM - 2:40 PM
MIAT Mongolian Airlines
2 Stops
58h 19m
STL - ULN
$ 1,391
Kiwi
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6:00 AM - 4:40 PM
Aero Mongolia
2 Stops
23h 35m
STL - ULN
$ 1,749
Kiwi
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How to find the cheapest flight from St Louis (STL) to Ulaanbaatar (ULN)

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