What are the cheapest airlines flying from Ulaanbaatar to Seattle round-trip?

According to our current data, Asiana Airlines ($1,016), and Korean Air ($1,192) offers the cheapest pricing from Ulaanbaatar to Seattle. You may be able to fly from Ulaanbaatar to Seattle for 16% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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

When flying from Ulaanbaatar to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

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Find flight deals from Ulaanbaatar to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	August
Cheapest in	May
Average price	$1,245

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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Highest demand for flights based on searches. 6% potential increase in price ($84 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).

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Average for round-trip flights in January 2026

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Compare providers for flights from Ulaanbaatar to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ulaanbaatar to Seattle in January.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*2 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.

Reviews of airlines servicing Seattle

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

1,188 reviews

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

1,188 reviews

Korean Air

8.4

Very good

1,188 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Asiana Airlines

8.1

Very good

501 reviews

Korean Air

8.4

Very good

1,188 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Related info for your journey

What are the cheapest airlines flying from Ulaanbaatar to Seattle round-trip?
According to our current data, Asiana Airlines ($1,016), and Korean Air ($1,192) offers the cheapest pricing from Ulaanbaatar to Seattle. You may be able to fly from Ulaanbaatar to Seattle for 16% less than the average price by searching for these airlines.
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.

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Other flights to Seattle

Top 2 airlines flying from Ulaanbaatar to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Asiana Airlines	Cheapest$1,016	Average$1,085	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$1,192	Average$1,291	FlexibilityNo cancel fee	On-time81%

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

Find cheap flights from Ulaanbaatar to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Ulaanbaatar to Seattle

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

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 January.

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.

Reviews of airlines servicing Seattle

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.

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?

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

How can I find direct flights from Ulaanbaatar to Seattle?

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

Traveling to a place near Seattle?

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Alternative routes for Ulaanbaatar to Seattle

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Top 2 airlines flying from Ulaanbaatar to Seattle

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