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Cheap flights from San Francisco (SFO) to Mongolia

SFO — UBN
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Find flight deals from San Francisco to Mongolia

Keep the following information in mind while searching for San Francisco to Mongolia flight deals. Data was last updated February 3, 2026.

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FlightHub
3 stars

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FlightHub
3 stars
Provider with most accurate pricing for San Francisco-Ulaanbaatar Buyant Ukhaa flight deals.
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Cheapflights Insights

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

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Mongolia (average of $660). Flying from San Francisco to Mongolia in December is currently the most expensive (average of $1,731). 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.

Reviews of airlines servicing Mongolia

Get insights into the airlines that provide service to Mongolia. 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 Mongolia. Reviews last updated February 3, 2026.
Read reviews from past customers who have flown Korean Air, Asiana Airlines, and United Airlines from San Francisco to Mongolia. 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.
Korean Air
8.4
Very good
1,188 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,188 reviews
Korean Air
8.4
Very good
1,188 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.1
Very good
502 reviews
Korean Air
8.4
Very good
1,188 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
9,235 reviews
Korean Air
8.4
Very good
1,188 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

  • What airport do you fly from for flights from San Francisco to Mongolia?

    For a flight from San Francisco to Mongolia, you will be flying from San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city.

  • What are the cheapest airlines to fly from San Francisco to Mongolia one-way?

    $446 is the cheapest one-way deal found within the past few days, from Asiana Airlines. You may also be able to find cheap deals on Korean Air and United Airlines, with prices starting from $479 and $531, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Mongolia 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 San Francisco to Mongolia?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Mongolia (average of $660). Flying from San Francisco to Mongolia in December is currently the most expensive (average of $1,731). 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.

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Top 4 airlines flying from San Francisco to Mongolia

Discover the top 4 airlines that operate flights from San Francisco to Mongolia. 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$767Average$1,288FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$870Average$946FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$939Average$1,380FlexibilityNo cancel feeOn-time69%
MIAT MongolianCheapest$1,160Average$1,368FlexibilityNo cancel feeOn-time63%

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