HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

Cheap flights from Ulaanbaatar (UBN) to San Francisco (SFO)

UBN — SFO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ulaanbaatar to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Ulaanbaatar to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Ulaanbaatar (UBN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Popular in

August

Cheapest in

September

Average price

$1,136
Provider with most accurate pricing for Ulaanbaatar Chinggis Khaan-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ulaanbaatar Chinggis Khaan-San Francisco flights.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Compare providers for flights from Ulaanbaatar to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ulaanbaatar to San Francisco in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ulaanbaatar-San Francisco flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Ulaanbaatar-San Francisco flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Ulaanbaatar-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ulaanbaatar-San Francisco flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ulaanbaatar-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ulaanbaatar to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Ulaanbaatar with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ulaanbaatar to San Francisco

What is the cheapest month to book a flight from Ulaanbaatar to San Francisco?

Currently, March is the cheapest month in which you can book a flight from Ulaanbaatar to San Francisco (average of $964). Flying from Ulaanbaatar to San Francisco in August is currently the most expensive (average of $1,361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from UBN to SFO?

Find hourly flight availability from Ulaanbaatar to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Ulaanbaatar to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 20% versus a flight in the morning.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Asiana Airlines from Ulaanbaatar to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very good
493 reviews

Boarding

8.4

Overall

8.2

Comfort

8.1

Crew

8.6

Entertainment

7.7

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

BKK - ICN

We wished that Asiana Airlines website should perform better by itself. Thanks to "Genfly" by Kayak that helped us get the tickets for us. Genfly also follow up with update flights schedule all the way. We gave Asiana Airlines "GOOD", and "Genfly" by Kayak "EXCELLENT" **** BTW...we will do it again nest time. Real passengers.
Asiana Airlines
8.2
Very good
493 reviews
Asiana Airlines
8.2
Very good
493 reviews

Boarding

8.4

Overall

8.2

Comfort

8.1

Crew

8.6

Entertainment

7.7

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

BKK - ICN

We wished that Asiana Airlines website should perform better by itself. Thanks to "Genfly" by Kayak that helped us get the tickets for us. Genfly also follow up with update flights schedule all the way. We gave Asiana Airlines "GOOD", and "Genfly" by Kayak "EXCELLENT" **** BTW...we will do it again nest time. Real passengers.

Related info for your journey

Find useful and relevant information for your journey from Ulaanbaatar to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ulaanbaatar to San Francisco round-trip?

    Cheapflights users have booked flights from Ulaanbaatar to San Francisco round-trip from $964. Another airline that can offer you cheap pricing is MIAT Mongolian. Asiana Airlines is 20% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Ulaanbaatar to San Francisco that include hotel bookings?

    Yes. In addition to deals on Ulaanbaatar to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ulaanbaatar to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ulaanbaatar to San Francisco.

  • Can I find deals for business class flights from Ulaanbaatar to San Francisco?

    Yes. Cheapflights offers flight deals from Ulaanbaatar to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ulaanbaatar to San Francisco?

    Currently, March is the cheapest month in which you can book a flight from Ulaanbaatar to San Francisco (average of $964). Flying from Ulaanbaatar to San Francisco in August is currently the most expensive (average of $1,361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ulaanbaatar to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Ulaanbaatar to Las Vegas flights
Ulaanbaatar to San Jose flights
Ulaanbaatar to Los Angeles flights
Ulaanbaatar to San Francisco flights

Top 2 airlines flying from Ulaanbaatar to San Francisco

Discover the top 2 airlines that operate flights from Ulaanbaatar to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$964Average$1,103FlexibilityNo cancel feeOn-time76%
MIAT MongolianCheapest$1,210Average$1,300FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.