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Cheap flights from Philadelphia (PHL) to Ulaanbaatar (ULN)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Philadelphia (PHL) to Ulaanbaatar (ULN)

How to find the cheapest flight from Philadelphia (PHL) to Ulaanbaatar (ULN)
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How to find the cheapest flight from Philadelphia (PHL) to Ulaanbaatar (ULN)
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How to find the cheapest flight from Philadelphia (PHL) to Ulaanbaatar (ULN)
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Cheap flights from Philadelphia to Ulaanbaatar in April , May 2026

23 Apr - 08 May $ 1,639.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
3 STOPS
PHL
Philadelphia
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12 Apr - 08 May $ 1,677.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
3 STOPS
PHL
Philadelphia
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23 Apr - 19 May $ 1,689.00
PHL
Philadelphia
Alaska Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Alaska Airlines
3 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to Ulaanbaatar

19 Apr - 01 May $ 1,322.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
2 STOPS
PHL
Philadelphia
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19 Apr - 30 Apr $ 1,777.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
2 STOPS
PHL
Philadelphia
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25 Apr - 30 Apr $ 1,792.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
2 STOPS
PHL
Philadelphia
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One-way flights to Ulaanbaatar from Philadelphia

7:45 AM - 6:25 PM
Turkish Airlines
3 Stops
35h 35m
PHL - ULN
$ 777
Kiwi
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9:29 AM - 6:25 PM
Turkish Airlines
2 Stops
33h 51m
PHL - ULN
$ 792
Kiwi
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10:19 AM - 6:25 PM
Turkish Airlines
2 Stops
33h 1m
PHL - ULN
$ 815
Kiwi
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How to find the cheapest flight from Philadelphia (PHL) to Ulaanbaatar (ULN)

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How to find the cheapest flight from Philadelphia (PHL) 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 Philadelphia (PHL) to Ulaanbaatar (ULN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.