Asiana AirlinesDepart00:25
Thu, Nov 5UBN → SFO
15h 18m · 2 stops
$596one way, per person
View deal
- Cheapest fare
- $596
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 15h 17m
Asiana Airlines · Thu, Nov 5
from $596
Usually 1+ stop
9,310 km
Get a price alert
We'll email you when Ulaanbaatar → San Francisco drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $596. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Ulaanbaatar to San Francisco
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Asiana Airlines
MIAT Mongolian AirlinesDepart08:15
Wed, Nov 25UBN → SFO
15h 17m · 2 stops
$711one way, per person
View deal
Plan the rest of your trip to San Francisco
Where to stay, what to do and getting around, from our travel partners.
Getting around
About flights from Ulaanbaatar to San Francisco
Ulaanbaatar (UBN) and San Francisco (SFO) are about 9,310 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 15h 17m. Over the next few months, one-way fares start from $596, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Ulaanbaatar to San Francisco?
The cheapest one-way fare we've seen recently is $596 with Asiana Airlines, departing Thursday, November 5, 2026.
What is the cheapest month to fly from Ulaanbaatar to San Francisco?
November 2026 currently has the lowest fares, from $596 one way.
Are there direct flights from Ulaanbaatar to San Francisco?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Ulaanbaatar to San Francisco?
The quickest journey we've seen takes about 15h 17m. Ulaanbaatar and San Francisco are around 9,310 km apart.
Which airlines fly from Ulaanbaatar to San Francisco?
Recent fares on this route were with Asiana Airlines and MIAT Mongolian Airlines.
More cheap flights from Ulaanbaatar
- Ulaanbaatar to Seoulfrom $160
- Ulaanbaatar to Irkutskfrom $143
- Ulaanbaatar to Beijingfrom $153
- Ulaanbaatar to Tokyofrom $245
- Ulaanbaatar to Shanghaifrom $117
- Ulaanbaatar to Busanfrom $234
- Ulaanbaatar to Moscowfrom $234
- Ulaanbaatar to Hohhotfrom $148
- Ulaanbaatar to Khabarovskfrom $376
- Ulaanbaatar to Bangkokfrom $245
- Ulaanbaatar to Istanbulfrom $324
- Ulaanbaatar to Astanafrom $248