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Flights from Ulaanbaatar to Seattle
What to know about flights from Ulaanbaatar to Seattle?
The distance between Ulaanbaatar and Seattle is approximately 8,405.94 km. Based on Trip.com's data, travel demand peaks in January.
Cheapest one-way
$541
Korean Air
ULN-SEA
15h 40m · 1 stop
Wed, Sep 30
Cheapest round-trip
$1,108
Alaska Airlines
ULN-SEA
27h 40m · 2 stops
Wed, Sep 16 - Sun, Sep 20
Recommended airlines
When to travel
September
Cheapest
January
Peak season for travel
Route details
8,405.94 km
Flight distance
How can I find cheap flights from Ulaanbaatar to Seattle?
Explore the cheapest one-way and round-trip flights from Ulaanbaatar to Seattle over the next 90 days, with one-way fares from $541 and round-trip from $1,108. Based on Trip.com's latest 7-day flight data.
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One way
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Round-trip
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UBN 1:50 AM27h 40m1 stopSEA 2:30 PMUlaanbaatar - Seattle | Wed, Sep 16 | Alaska Airlines
SEA 1:35 PM18h 30m1 stopUBN 11:05 PMSeattle - Ulaanbaatar | Sun, Sep 20 | Alaska Airlines
Price detailsDepartureUBN-ICNEconomy class
Included
In-flight meals are availableUSB port and power outletICN-SEAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnSEA-ICNEconomy class
Included
In-flight meals are availableUSB port and power outletICN-UBNEconomy class
Included
$1,108 $1,47625% off25% off$1,476 $1,108 -
UBN 12:25 AM28h 15m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Thu, Sep 17 | Alaska Airlines
SEA 1:35 PM19h 55m1 stopUBN 12:30 AMSeattle - Ulaanbaatar | Mon, Sep 21 | Alaska Airlines
Price detailsDepartureUBN-ICNEconomy class
Included
In-flight meals are availableUSB port and power outletICN-SEAEconomy class
Included
In-flight meals are availableUSB port and power outletReturnSEA-ICNEconomy class
Included
In-flight meals are availableUSB port and power outletICN-UBNEconomy class
Included
$1,110 $1,47625% off25% off$1,476 $1,110
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UBN 12:25 AM29h 50m1 stopSEA 3:15 PMUlaanbaatar - Seattle | Tue, Sep 22 | Asiana Airlines
SEA 12:10 AM31h 55m1 stopUBN 11:05 PMSeattle - Ulaanbaatar | Tue, Sep 29 | Asiana Airlines
Price detailsDepartureUBN-SEA
Included
ReturnSEA-UBN
Included
$1,148 $1,47622% off22% off$1,476 $1,148 -
UBN 1:40 PM16h 35m1 stopSEA 3:15 PMUlaanbaatar - Seattle | Tue, Sep 22 | Jeju Air
SEA 12:10 AM21h 30m1 stopUBN 12:40 PMSeattle - Ulaanbaatar | Mon, Sep 28 | Asiana Airlines
Price detailsDepartureUBN-SEA
Included
ReturnSEA-UBN
Included
$1,15422% off$1,476 $1,154 -
UBN 12:25 AM28h 15m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Sun, Sep 20 | Alaska Airlines
SEA 1:35 PM30h 35m1 stopUBN 11:10 AMSeattle - Ulaanbaatar | Sun, Sep 27 | Alaska Airlines
Price detailsDepartureUBN-ICNEconomy class
Included
In-flight meals are availableUSB port and power outletICN-SEAEconomy class
Included
In-flight meals are availableUSB port and power outletReturnSEA-ICNEconomy class
Included
In-flight meals are availableUSB port and power outletICN-UBNEconomy class
Included
In-flight meals are availableUSB port and power outlet$1,15921% off$1,476 $1,159
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UBN 12:25 AM29h 5m1 stopSEA 2:30 PMUlaanbaatar - Seattle | Wed, Sep 9 | Alaska Airlines
SEA 1:35 PM30h 35m1 stopUBN 11:10 AMSeattle - Ulaanbaatar | Sun, Sep 13 | Alaska Airlines
Price detailsDepartureUBN-ICNEconomy class
Included
In-flight meals are availableUSB port and power outletICN-SEAEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnSEA-ICNEconomy class
Included
In-flight meals are availableUSB port and power outletICN-UBNEconomy class
Included
In-flight meals are availableUSB port and power outlet$1,16121% off$1,476 $1,161
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UBN 12:25 AM29h 50m1 stopSEA 3:15 PMUlaanbaatar - Seattle | Tue, Sep 15 | Asiana Airlines
SEA 12:10 AM31h 40m1 stopUBN 10:50 PMSeattle - Ulaanbaatar | Sat, Sep 19 | Asiana Airlines
Price detailsDepartureUBN-SEA
Included
ReturnSEA-UBN
Included
$1,16221% off$1,476 $1,162
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UBN 1:00 PM15h 40m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Thu, Oct 22 | Alaska Airlines
SEA 1:40 PM29h 45m1 stopUBN 10:25 AMSeattle - Ulaanbaatar | Thu, Oct 29 | Alaska Airlines
Price detailsDepartureUBN-SEA
Included
ReturnSEA-UBN
Included
$1,16521% off$1,476 $1,165
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UBN 7:45 AM21h 40m1 stopSEA 2:25 PMUlaanbaatar - Seattle | Thu, Sep 17 | United Airlines
SEA 4:30 PM35h 45m1 stopUBN 7:15 PMSeattle - Ulaanbaatar | Sun, Sep 20 | United Airlines
Price detailsDepartureUBN-NRTEconomy class
Included
In-flight meals are availableUSB port and power outletReturnSEA-HNDEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outlet$1,16521% off$1,476 $1,165 -
UBN 1:00 PM15h 40m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Sat, Sep 12 | Alaska Airlines
SEA 1:35 PM30h 35m1 stopUBN 11:10 AMSeattle - Ulaanbaatar | Fri, Sep 18 | Alaska Airlines
Price detailsDepartureUBN-SEA
Included
ReturnSEA-UBN
Included
$1,16621% off$1,476 $1,166
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ULN 1:00 PM17h 25m1 stopSEA 2:00 PMUlaanbaatar - Seattle | Thu, Sep 10 | Normal Airline
SEA 3:00 PM6hNonstopULN 4:00 PMSeattle - Ulaanbaatar | Sat, Sep 12 | Normal AirlineFind more flightsFind more flights
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UBN 1:00 PM15h 40m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Wed, Sep 30 | Korean Air
Price detailsUBN-ICNEconomy classIn-flight meals are availableUSB port and power outletICN-SEAEconomy classIn-flight meals are availableUSB port and power outlet$541 $7,72393% off93% off$7,723 $541 -
UBN 12:25 AM28h 15m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Wed, Sep 30 | Asiana Airlines
Price detailsICN-SEAEconomy classIn-flight meals are availableUSB port and power outletUBN-ICNEconomy classIn-flight meals are availableUSB port and power outlet$541 $7,72393% off93% off$7,723 $541
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UBN 12:25 AM28h 15m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Sat, Sep 12 | Asiana Airlines
Price detailsUBN-ICNEconomy classIn-flight meals are availableUSB port and power outletICN-SEAEconomy classIn-flight meals are availableUSB port and power outlet$587 $7,72392% off92% off$7,723 $587
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UBN 1:00 PM15h 40m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Sat, Sep 19 | Korean Air
Price detailsUBN-ICNEconomy classIn-flight meals are availableUSB port and power outletICN-SEAEconomy classIn-flight meals are availableUSB port and power outlet$59292% off$7,723 $592
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UBN 12:25 AM29h 5m1 stopSEA 2:30 PMUlaanbaatar - Seattle | Sun, Sep 20 | Asiana Airlines
Price detailsUBN-ICNEconomy classIn-flight meals are availableUSB port and power outletICN-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$59492% off$7,723 $594
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UBN 12:25 AM29h 5m1 stopSEA 2:30 PMUlaanbaatar - Seattle | Sat, Sep 19 | Asiana Airlines
Price detailsUBN-ICNEconomy classIn-flight meals are availableUSB port and power outletICN-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$60092% off$7,723 $600
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UBN 12:45 AM28h 45m1 stopSEA 2:30 PMUlaanbaatar - Seattle | Mon, Sep 28 | Korean Air
Price detailsUBN-ICNEconomy classIn-flight meals are availableUSB port and power outletICN-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$66691% off$7,723 $666
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UBN 1:00 PM17h 15m1 stopSEA 3:15 PMUlaanbaatar - Seattle | Fri, Oct 23 | Korean Air
Price detailsUBN-ICNEconomy classIn-flight meals are availableUSB port and power outletICN-SEAEconomy classIn-flight meals are availableUSB port and power outlet$69791% off$7,723 $697
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UBN 1:00 PM15h 40m1 stopSEA 1:40 PMUlaanbaatar - Seattle | Sat, Sep 12 | Korean Air
Price detailsICN-SEAEconomy classIn-flight meals are availableUSB port and power outletUBN-ICNEconomy classIn-flight meals are availableUSB port and power outlet$1,08586% off$7,723 $1,085
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UBN 9:55 AM19h 30m1 stopSEA 2:25 PMUlaanbaatar - Seattle | Fri, Sep 11 | United Airlines
Price detailsHND-SEAEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet$6,10121% off$7,723 $6,101
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ULN 1:00 PM17h 25m1 stopSEA 2:00 PMUlaanbaatar - Seattle | Thu, Sep 10 | Normal AirlineFind more flightsFind more flights
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Which airlines are the most popular for Ulaanbaatar to Seattle flights?
The most popular airlines flying from Ulaanbaatar to Seattle are Air China, Korean Air, and Asiana Airlines, among 3 carriers on this route. Korean Air offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Air China
Korean Air
Asiana Airlines
Airlines are determined based on actual purchased flight tickets from Ulaanbaatar to Seattle according to previous 12 months data from Trip.com.
Frequently Asked Questions
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What are the cheapest flights from Ulaanbaatar to Seattle (ULN-SEA)?
Based on Trip.com data, Korean Air offers one-way fares as low as $541 on Cheapest nonstop routes (e.g. UBN to SEA on Wed, Sep 30), while Alaska Airlines offers Cheapest nonstop round-trips from $1,108 departing on Wed, Sep 16 and returning on Sun, Sep 20. -
Which airlines offer direct flights from Ulaanbaatar to Seattle?
At the moment, you can catch a nonstop flight from Ulaanbaatar to Seattle with the following airlines, including: Air China Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days. -
When is the best time to book flights from Ulaanbaatar to Seattle?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Ulaanbaatar to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals. -
How can I find the best deals on flights from Ulaanbaatar to Seattle?
To find best deals on flights from Ulaanbaatar to Seattle, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Sep 30, with one-way flights priced at just $541.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Korean Air.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around January.
· Get exclusive promo codes for Trip.com app users. -
When are flight tickets from Ulaanbaatar (ULN) to Seattle (SEA) the cheapest?
The cheapest months to fly from Ulaanbaatar to Seattle is September, when demand for travel is lower. -
Which upcoming date is cheapest to fly from Ulaanbaatar to Seattle on?
After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Ulaanbaatar to Seattle on September 30, 2026 with Korean Air, with prices starting at $586. -
Which airports can I fly into Seattle from Ulaanbaatar?
You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA), King County (Boeing Field) International Airport (BFI), and Kenmore Air Harbor Seaplane Base (LKE). Flights from Chinggis Khaan International Airport to Seattle-Tacoma International Airport (UBN-SEA) are by far the most popular option for this route. -
Is there any time difference between Ulaanbaatar and Seattle?
The time difference between Seattle and Ulaanbaatar is 16h. -
How do I change or cancel my ticket from Ulaanbaatar to Seattle?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages. -
What is the average cost of a one-way flight from Ulaanbaatar to Seattle?
Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Ulaanbaatar to Seattle is $1,249. Fares vary by travel date, airline and availability. -
How do I book flights from Ulaanbaatar to Seattle on Trip.com?
Enter Ulaanbaatar and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.