Cheap Flights from San Francisco (SFO) to Ulaanbaatar (ULN)

Popular airlines from San Francisco Intl. Airport (SFO) to Ulaanbaatar (ULN-Buyant-Ukhaa Intl.)

Find available prices by choosing your travel dates.
Flights from San Francisco (SFO) to Ulaanbaatar (ULN)
Origin airport
San Francisco Intl.
Destination airport
Buyant-Ukhaa Intl.
Distance
5802 mi

San Francisco to Ulaanbaatar Flights

The cheapest times to fly from San Francisco to Ulaanbaatar

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Ulaanbaatar are during the month of . You can find some of the cheapest flights from San Francisco to Ulaanbaatar with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Francisco to Ulaanbaatar

Sunday is one of the best days to book for cheap flights from San Francisco to Ulaanbaatar: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Francisco to Ulaanbaatar

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Ulaanbaatar in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Ulaanbaatar flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Ulaanbaatar airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Chinggis Khaan Intl. Airport (ULN) cost?
Discover the latest flight deals from SFO to ULN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SFO to ULN?
The cheapest flights from SFO to ULN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SFO to ULN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SFO to ULN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Chinggis Khaan Intl. Airport (ULN)?
You’ll have to take a flight with a layover when traveling from San Francisco Intl. Airport (SFO) to Chinggis Khaan Intl. Airport (ULN). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SFO to ULN?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Chinggis Khaan Intl. Airport (ULN)?
To reach Chinggis Khaan Intl. Airport (ULN) without delays, choose a flight that takes off from San Francisco Intl. Airport (SFO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Chinggis Khaan Intl. Airport (ULN) last-minute?
Booking your flight from SFO to ULN shortly before your getaway is generally more expensive. But if you’re flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SFO to ULN flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to ULN flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Chinggis Khaan Intl. Airport (ULN)?
It’s usually possible to cancel or reschedule your SFO to ULN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.