Seattle

$1,204+ Cheap flights from Ulaanbaatar (UBN) to Seattle (SEA)

UBN — SEA
Dec 4 — Dec 111
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Cheap flight deals from Ulaanbaatar to Seattle

Cheapest flights from Ulaanbaatar to Seattle

Wed 12/212:25 pm -
1 stop36h 40m
Wed 12/911:00 am -
1 stop31h 25m
Deal found 11/3$1,204
Wed 11/1112:25 pm -
1 stop36h 40m
Sat 1/911:00 am -
1 stop31h 25m
Deal found 11/4$1,211
Tue 11/107:45 am -
2 stops24h 42m
Sun 1/107:00 am -
2 stops27h 40m
Deal found 11/4$1,225
Fri 11/1312:25 pm -
1 stop17h 45m
Wed 1/612:10 am -
1 stop18h 15m
Deal found 11/4$1,278
Fri 11/1312:25 pm -
1 stop17h 45m
Fri 1/812:10 am -
1 stop18h 15m
Deal found 11/4$1,381
Wed 11/1112:25 pm -
1 stop15h 26m
Wed 1/612:10 am -
1 stop18h 15m
Deal found 11/4$1,382
Sun 12/2712:25 pm -
1 stop17h 45m
Sun 3/1412:10 am -
1 stop19h 15m
Deal found 11/3$1,404
Thu 11/512:25 pm -
1 stop17h 45m
Mon 12/711:00 am -
1 stop31h 25m
Deal found 10/31$1,405
Mon 11/912:25 pm -
1 stop17h 45m
Sat 1/911:00 am -
1 stop31h 25m
Deal found 11/4$1,411
Mon 11/912:25 pm -
1 stop17h 45m
Wed 1/612:10 am -
1 stop18h 15m
Deal found 11/4$1,432
Thu 11/57:15 am -
2 stops26h 15m
Sun 12/612:10 am -
2 stops25h 30m
Deal found 10/31$1,435
Fri 11/131:00 pm -
2 stops35h 20m
Tue 1/1210:20 am -
1 stop34h 50m
Deal found 11/4$1,465

Find flight deals from Ulaanbaatar to Seattle

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,204
(Booking.com)

Popular in

August

Cheapest in

May
Provider with most accurate pricing for Ulaanbaatar Chinggis Khaan-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Ulaanbaatar Chinggis Khaan-Seattle/Tacoma Intl flights.
From Ulaanbaatar Chinggis Khaan to Seattle/Tacoma Intl
Highest demand for flights based on searches. 3% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ulaanbaatar to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Wed 4/14

1:00 pm-2:55 pm

1 stop16h 55m

Seattle/Tacoma Intl

Tue 4/27

12:55 am-11:10 am

1 stop19h 15m

$1,204
Quickest round-trip

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Tue 2/23

12:25 pm-2:10 pm

1 stop17h 45m

Seattle/Tacoma Intl

Mon 3/8

12:10 am-10:25 am

1 stop18h 15m

$1,205

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Sun 2/21

12:25 pm-2:10 pm

1 stop17h 45m

Seattle/Tacoma Intl

Mon 3/8

11:00 am-10:25 am

1 stop31h 25m

$1,255

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Tue 3/23

7:15 am-7:20 pm

2 stops27h 05m

Seattle/Tacoma Intl

Tue 4/6

1:35 pm-11:10 am

1 stop30h 35m

$1,288

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Mon 2/1

2:50 pm-5:30 pm

2 stops42h 40m

Seattle/Tacoma Intl

Tue 3/2

11:30 pm-5:40 pm

2 stops26h 10m

$1,321

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Sun 12/27

12:25 pm-2:10 pm

1 stop17h 45m

Seattle/Tacoma Intl

Sun 3/14

12:10 am-10:25 am

1 stop19h 15m

$1,405

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Tue 2/23

7:15 am-5:30 pm

2 stops26h 15m

Seattle/Tacoma Intl

Tue 3/9

10:25 am-5:40 pm

1 stop39h 15m

$1,435

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Wed 4/14

12:55 pm-7:30 pm

2 stops45h 35m

Seattle/Tacoma Intl

Wed 4/28

1:35 pm-11:10 am

1 stop30h 35m

$1,563

UlaanbaatarSeattle

UBN Ulaanbaatar Chinggis Khaan - SEA Seattle/Tacoma Intl

UBNSEA

Ulaanbaatar Chinggis Khaan

Wed 12/2

2:50 pm-5:30 pm

2 stops42h 40m

Seattle/Tacoma Intl

Tue 12/8

12:10 am-8:35 pm

2 stops28h 25m

$1,583

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Sorted by cheapest first

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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy3 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

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?

Incheon (ICN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Ulaanbaatar to Seattle on Cheapflights.

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

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $1,242.

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

Flights via Incheon (ICN) have the shortest average one-way travel time for 1-stop routes: 15h 48m.

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

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

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.

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

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!!

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

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!!

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Food

8.1

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

  • How long is the flight from Ulaanbaatar to Seattle?

    A quick flight from Ulaanbaatar to Seattle can take about 17h 45m. Korean Air provides one of the quickest options available for as low as $1,205. Ulaanbaatar and Seattle are separated by a distance of 5229 mi.

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

    According to our current data, Asiana Airlines ($1,060), and Korean Air ($1,124) offers the cheapest pricing from Ulaanbaatar to Seattle. You may be able to fly from Ulaanbaatar to Seattle for 18% 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.

See more FAQs

Traveling to a place near Seattle?

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Top 2 airlines flying from Ulaanbaatar to Seattle

AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$1,060Average$1,226FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,124Average$1,291FlexibilityNo cancel feeOn-time81%

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