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Cheap flights from Ulaanbaatar (UBN) to Seattle (SEA)

UBN — SEA
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Find flight deals from Ulaanbaatar to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Ulaanbaatar (UBN) to Seattle (SEA). 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for Ulaanbaatar Chinggis Khaan-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Ulaanbaatar Chinggis Khaan-Seattle/Tacoma Intl flights.
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Compare providers for flights from Ulaanbaatar to Seattle

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 Seattle in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice 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-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ulaanbaatar-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ulaanbaatar-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ulaanbaatar-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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-Seattle 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 Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle

What’s the top layover airport for flights from Ulaanbaatar to Seattle?

Share of 1-stop round-trip flights from Ulaanbaatar to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.

Incheon (ICN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Ulaanbaatar to Seattle on Cheapflights.

What’s the cheapest layover airport for flights from Ulaanbaatar to Seattle?

Average round-trip fare for 1-stop flights from Ulaanbaatar to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Incheon (ICN) is the most affordable 1-stop option, with an average round-trip price of $1,202.

What’s the fastest layover option from Ulaanbaatar to Seattle?

Shortest average travel time for 1-stop one-way flights from Ulaanbaatar to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Incheon (ICN) have the shortest average one-way travel time for 1-stop routes: 15h 33m.

Which airport typically offers the quickest layover for flights from Ulaanbaatar to Seattle?

Average layover duration for 1-stop one-way flights from Ulaanbaatar to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 1h 15m.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 28, 2026.
Read reviews from past customers who have flown Korean Air and Asiana Airlines from Ulaanbaatar to Seattle. 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
1,214 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

Boarding

8.5

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
1,214 reviews
Korean Air
8.4
Very good
1,214 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

Boarding

8.5

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
8.1
Very good
524 reviews
Korean Air
8.4
Very good
1,214 reviews

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.4

Comfort

8.3

Boarding

8.5

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 Ulaanbaatar to Seattle. 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 Seattle round-trip?

    According to our current data, Asiana Airlines ($1,016), and Korean Air ($1,124) offers the cheapest pricing from Ulaanbaatar to Seattle.

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

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

  • How can I find direct flights from Ulaanbaatar to Seattle?

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

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

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

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
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Ellensburg
Fife
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Issaquah
Shoreline

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Top 2 airlines flying from Ulaanbaatar to Seattle

Discover the top 2 airlines that operate flights from Ulaanbaatar to Seattle. 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$1,016Average$1,093FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,124Average$1,390FlexibilityNo cancel feeOn-time81%

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