Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Philadelphia (PHL) to Ulaanbaatar (ULN)

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.
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.

Cheap flights from Philadelphia to Ulaanbaatar in November , December 2025

27 Nov - 15 Dec $ 1,186.00
PHL
Philadelphia
Frontier Airlines
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
3 STOPS
PHL
Philadelphia
Pick dates
27 Nov - 15 Dec $ 1,293.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
3 STOPS
PHL
Philadelphia
Pick dates
27 Nov - 13 Dec $ 1,339.00
PHL
Philadelphia
Alaska Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Alaska Airlines
3 STOPS
PHL
Philadelphia
Pick dates

Last minute flights from Philadelphia to Ulaanbaatar

27 Nov - 01 Dec $ 1,479.00
PHL
Philadelphia
Frontier Airlines
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
3 STOPS
PHL
Philadelphia
Pick dates
27 Nov - 01 Dec $ 1,517.00
PHL
Philadelphia
Frontier Airlines
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
3 STOPS
PHL
Philadelphia
Pick dates
27 Nov - 01 Dec $ 1,589.00
PHL
Philadelphia
Frontier Airlines
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Frontier Airlines
3 STOPS
PHL
Philadelphia
Pick dates

One-way flights to Ulaanbaatar from Philadelphia

12:52 PM - 8:45 PM
Asiana Airlines
3 Stops
45h 38m
PHL - ULN
$ 584
Kiwi
Pick dates
7:10 AM - 7:45 AM
Korean Air
2 Stops
38h 15m
PHL - ULN
$ 691
Kiwi
Pick dates
7:10 AM - 11:55 PM
Korean Air
2 Stops
30h 30m
PHL - ULN
$ 805
Kiwi
Pick dates

How to find the cheapest flight from Philadelphia (PHL) to Ulaanbaatar (ULN)

Related info for your journey
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.
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.