There are most likely no direct flights on the Ulaanbaatar — San Francisco route
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A non-stop flight is the most convenient and comfortable way to fly from Ulaanbaatar to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
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There are most likely no direct flights on the Ulaanbaatar — San Francisco route
Chinggis Khaan International Airport (UBN) is Mongolia’s main international gateway and typically functions as the country’s premium hub for long-haul and regional services. It mainly handles international carriers and Mongolia’s flag carrier, with some low-cost and regional connections available; fares can feel higher than regional averages, especially for international routes. The airport lies about 50–60 km southeast of Ulaanbaatar’s center, with transfer options including airport shuttle buses (roughly 1–1.5 hours), private taxis (around 45–75 minutes) and prebooked transfers; expect taxi fares to be notably higher than local bus prices. Pros: modern facilities, straightforward immigration and good connectivity for international travel. Cons: substantial distance to the city, possible extra time and cost for transfers, and fewer ultra‑budget services.
San Francisco International (SFO) functions as the region’s primary international hub, handling long-haul carriers alongside major U.S. airlines and several full-service international partners; low-cost carriers also operate but may be more common at nearby secondary airports. Located roughly 13 miles south of downtown San Francisco, SFO is typically reachable in 20–40 minutes by car depending on traffic; BART trains connect the airport to the city center in about 30–40 minutes with fares usually in the low-to-mid single digits, while airport shuttles and taxis can be pricier. Pros include wide service options and robust ground transport; cons can be crowding during peak periods and variable security/wait times.
The minimum one-way ticket price from Ulaanbaatar to San Francisco is $619 (September 2026), while the maximum is $640 (October 2026). On average, a ticket costs $630–$640.
We couldn't find any special offers for flights from Ulaanbaatar to San Francisco
There appear to be no non-stop flights from Ulaanbaatar to San Francisco at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $619
starting at $640
The route Ulaanbaatar — San Francisco is served by several airlines: Air China and Asiana Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $619 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest flight ticket from Ulaanbaatar to San Francisco according to data for the last 48 hours costs $619
Often the best time to buy tickets from Ulaanbaatar to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Ulaanbaatar to San Francisco can be found flying in these months: September, October.
The fastest flights from Ulaanbaatar to San Francisco start from 13 hours 40 minutes in the air.
The following airlines operate direct flights on the route Ulaanbaatar — San Francisco:
The cheapest one-way flight from Ulaanbaatar to San Francisco departs on 09/25/2026, is operated by Air China and costs $619
There is no information about the cheapest roundtrip flight from Ulaanbaatar to San Francisco
Fastest flight from Ulaanbaatar to San Francisco takes 1d 13h 40m
There are no direct flights on this route.
The distance between Ulaanbaatar and San Francisco is 9311km (5773 miles). The time difference between Ulaanbaatar and San Francisco is 16h
