Flight INFO & Alaska Airlines(AS) flights from Seattle to Ulaanbaatar

Cheapest one-way flight price US$653
Cheapest month September
Peak season for travel November
Flight distance 8,405.94 km
Popular airline Alaska Airlines

Book Alaska Airlines(AS) flights from Seattle to Ulaanbaatar

  • One way
  • Round-trip
      • SEA17:04
        27h 6m
        2 stops
        UBN11:10
        Seattle - Ulaanbaatar|Tue, Oct 20|Alaska Airlines
        US$695
        US$1,473
        53% off
        Search
        53% off
        US$1,473
        US$695
      • SEA13:20
        31h 40m
        2 stops
        UBN12:00
        Seattle - Ulaanbaatar|Sun, Oct 11|Alaska Airlines
        US$718
        US$1,473
        51% off
        Search
        51% off
        US$1,473
        US$718
      • SEA17:04
        27h 6m
        2 stops
        UBN11:10
        Seattle - Ulaanbaatar|Thu, Oct 15|Alaska Airlines
        US$1,047
        US$1,473
        28% off
        Search
        28% off
        US$1,473
        US$1,047
      • SEA18:23
        25h 47m
        2 stops
        UBN11:10
        Seattle - Ulaanbaatar|Wed, Oct 14|Alaska Airlines
        US$1,075
        Search
        US$1,075
      • SEA13:00
        25h 47m
        Nonstop
        ULN14:00
        Seattle - Ulaanbaatar|Mon, Sep 6|Normal Airline
        More cheap flights
        More cheap flights

Alaska Airlines(AS) flights from Seattle to Ulaanbaatar & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS523

    Alaska Airlines

    18:23

    SEA

    2.6h

    Nonstop

    21:00

    LAS

    S M T W T F S
    Search

  2. KE006

    Korean Air

    23:50

    LAS

    12.8h

    Nonstop

    04:40

    ICN

    S M T W T F S
    Search

  3. KE2041

    Korean Air

    08:35

    ICN

    3.6h

    Nonstop

    11:10

    UBN

    S - T W T F S
    Search

  4. AS1390

    Alaska Airlines

    17:04

    SEA

    2.7h

    Nonstop

    19:48

    LAX

    S M T W T - S
    Search

  5. KE012

    Korean Air

    23:48

    LAX

    13.5h

    Nonstop

    05:18

    ICN

    S M T W T F S
    Search

  6. KE2041

    Korean Air

    08:35

    ICN

    3.6h

    Nonstop

    11:10

    UBN

    S - T W T F S
    Search

  7. AS123

    Alaska Airlines

    13:30

    SEA

    10.5h

    Nonstop

    16:00

    NRT

    S M T W T F S
    Search

  8. GK035

    Jetstar Japan

    22:25

    NRT

    3.4h

    Nonstop

    00:50

    PVG

    S - T - T - S
    Search

  9. 9C7057

    Spring Airlines

    08:00

    PVG

    4.0h

    Nonstop

    12:00

    UBN

    - M - W - F -
    Search

Alaska Airlines(AS) flights from Seattle to Ulaanbaatar Flight Booking FAQ

  • Which airlines offer direct flights from Seattle to Ulaanbaatar?

    At the moment, you can catch a nonstop flight from Seattle to Ulaanbaatar with the following airlines, including: Korean Air 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 Seattle to Ulaanbaatar?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Ulaanbaatar 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.

  • When are flight tickets from Seattle (SEA) to Ulaanbaatar (ULN) the cheapest?

    The cheapest months to fly from Seattle to Ulaanbaatar is September, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Seattle to Ulaanbaatar on?

    After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Seattle to Ulaanbaatar on October 20, 2026 with Korean Air, with prices starting at US$635.

  • Which airports fly into Ulaanbaatar from Seattle?

    You can land at any one of the following hubs in Ulaanbaatar: Chinggis Khaan International Airport (UBN), and Buyant Ukhaa International Airport (ULN). Flying from Seattle-Tacoma International Airport to Chinggis Khaan International Airport (SEA-UBN) is by far the most common option on this route.

  • Is there any time difference between Seattle and Ulaanbaatar?

    The time difference between Ulaanbaatar and Seattle is 16h.

  • How do I change or cancel my ticket from Seattle to Ulaanbaatar?

    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.