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Cheap flights from Mongolia to Washington

UBN — SEA
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap flight deals from Mongolia to Washington

Keep the following information in mind while searching for Mongolia to Washington flight deals. Data was last updated November 4, 2025.

Most accurate provider

eDreams
3 stars

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eDreams
3 stars
Provider with most accurate pricing for Ulaanbaatar Buyant Ukhaa-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Ulaanbaatar Buyant Ukhaa-Seattle/Tacoma Intl flights.
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Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated November 4, 2025.
Get a feel of what it's like to fly with Korean Air and Asiana Airlines from Mongolia to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,160 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,160 reviews
Korean Air
8.4
Very good
1,160 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
484 reviews
Korean Air
8.4
Very good
1,160 reviews

Crew

8.7

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

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

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

  • How can I find direct flights from Mongolia to Washington?

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

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

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

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Top 2 airlines flying from Mongolia to Washington

Discover the top 2 airlines that operate flights from Mongolia to Washington. 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$1,016Average$1,093FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,150Average$1,244FlexibilityNo cancel feeOn-time81%

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