Earn point on your loyalty program!arrow arc left

Cheap flights from Boston (BOS) 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 Boston (BOS) to Ulaanbaatar (ULN)

How to find the cheapest flight from Boston (BOS) 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 Boston (BOS) 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 Boston (BOS) 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 Boston to Ulaanbaatar in July , August 2026

28 Jul - 28 Aug $ 1,789.00
BOS
Boston
JetBlue Airways
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
JetBlue Airways
3 STOPS
BOS
Boston
Pick dates
30 Jul - 07 Aug $ 2,862.00
BOS
Boston
Korean Air
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Korean Air
1 STOPS
BOS
Boston
Pick dates
30 Jul - 07 Aug $ 3,598.00
BOS
Boston
Korean Air
1 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Korean Air
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Ulaanbaatar

28 Jul - 01 Aug $ 2,152.00
BOS
Boston
Porter Airlines
2 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Porter Airlines
3 STOPS
BOS
Boston
Pick dates
28 Jul - 01 Aug $ 2,202.00
BOS
Boston
Porter Airlines
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Porter Airlines
3 STOPS
BOS
Boston
Pick dates
28 Jul - 01 Aug $ 2,209.00
BOS
Boston
Porter Airlines
3 STOPS
ULN
Ulaanbaatar
ULN
Ulaanbaatar
Porter Airlines
3 STOPS
BOS
Boston
Pick dates

One-way flights to Ulaanbaatar from Boston

6:00 AM - 1:30 AM
MIAT Mongolian Airlines
2 Stops
35h 10m
BOS - ULN
$ 866
Kiwi
Pick dates
10:40 AM - 1:30 AM
MIAT Mongolian Airlines
3 Stops
30h 30m
BOS - ULN
$ 916
Kiwi
Pick dates
1:45 AM - 12:05 PM
MIAT Mongolian Airlines
1 Stops
27h
BOS - ULN
$ 1,371
Kiwi
Pick dates

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