Trip.com
>
Flights
>
Flights to Mongolia
>
Flights to Ulaanbaatar
>
Seattle to Ulaanbaatar flight
>
Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport over the next 90 days, with one-way fares from TWD 20,907 and round-trip from TWD 37,303. Based on Trip.com's latest 7-day flight data.

      • SEA 12:50 PM
        31h 20m
        1 stop
        UBN 11:10 AM
        Seattle - Ulaanbaatar | Thu, Oct 1 | Korean Air
        UBN 1:00 PM
        36h 40m
        1 stop
        SEA 10:40 AM
        Ulaanbaatar - Seattle | Wed, Oct 7 | Korean Air
        TWD 37,303 TWD 69,686
        46% off
        46% off
        TWD 69,686 TWD 37,303
      • SEA 12:50 PM
        31h 20m
        1 stop
        UBN 11:10 AM
        Seattle - Ulaanbaatar | Fri, Oct 9 | Korean Air
        UBN 1:00 PM
        36h 40m
        1 stop
        SEA 10:40 AM
        Ulaanbaatar - Seattle | Fri, Oct 16 | Korean Air
        TWD 37,303 TWD 69,686
        46% off
        46% off
        TWD 69,686 TWD 37,303
      • SEA 12:10 AM
        31h 55m
        1 stop
        UBN 11:05 PM
        Seattle - Ulaanbaatar | Fri, Oct 9 | Asiana Airlines
        UBN 12:25 AM
        29h 50m
        1 stop
        SEA 3:15 PM
        Ulaanbaatar - Seattle | Fri, Oct 16 | Asiana Airlines
        TWD 37,724 TWD 69,686
        46% off
        46% off
        TWD 69,686 TWD 37,724
      • SEA 12:50 PM
        31h 20m
        1 stop
        UBN 11:10 AM
        Seattle - Ulaanbaatar | Mon, Oct 5 | Korean Air
        UBN 12:45 AM
        24h 55m
        1 stop
        SEA 10:40 AM
        Ulaanbaatar - Seattle | Mon, Oct 12 | Korean Air
        TWD 41,808
        40% off
        TWD 69,686 TWD 41,808
      • SEA 1:00 PM
        31h 10m
        1 stop
        UBN 11:10 AM
        Seattle - Ulaanbaatar | Thu, Oct 1 | Delta Air Lines
        UBN 1:00 PM
        15h 37m
        1 stop
        SEA 1:37 PM
        Ulaanbaatar - Seattle | Wed, Oct 7 | Delta Air Lines
        TWD 42,059
        40% off
        TWD 69,686 TWD 42,059
      • SEA 1:00 PM
        31h 10m
        1 stop
        UBN 11:10 AM
        Seattle - Ulaanbaatar | Mon, Oct 5 | Delta Air Lines
        UBN 1:00 PM
        15h 37m
        1 stop
        SEA 1:37 PM
        Ulaanbaatar - Seattle | Mon, Oct 12 | Delta Air Lines
        TWD 43,737
        37% off
        TWD 69,686 TWD 43,737
      • SEA 12:10 AM
        33h 20m
        1 stop
        UBN 12:30 AM
        Seattle - Ulaanbaatar | Thu, Oct 1 | Asiana Airlines
        UBN 12:25 AM
        29h 50m
        1 stop
        SEA 3:15 PM
        Ulaanbaatar - Seattle | Wed, Oct 7 | Asiana Airlines
        TWD 47,477
        32% off
        TWD 69,686 TWD 47,477
      • SEA 7:15 PM
        21h 5m
        1 stop
        UBN 7:20 AM
        Seattle - Ulaanbaatar | Fri, Oct 9 | Turkish Airlines
        UBN 7:25 AM
        24h 55m
        1 stop
        SEA 5:20 PM
        Ulaanbaatar - Seattle | Fri, Oct 16 | Turkish Airlines
        TWD 48,810
        30% off
        TWD 69,686 TWD 48,810
      • SEA 11:45 AM
        20h 25m
        1 stop
        UBN 11:10 PM
        Seattle - Ulaanbaatar | Fri, Oct 9 | Cathay Pacific
        ULN 6:20 AM
        18h 45m
        1 stop
        SEA 10:05 AM
        Ulaanbaatar - Seattle | Fri, Oct 16 | Cathay Pacific
        TWD 49,477
        28% off
        TWD 69,686 TWD 49,477
      • SEA 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Seattle - Ulaanbaatar | Sat, Sep 26 | Normal Airline
        ULN 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Ulaanbaatar - Seattle | Mon, Sep 28 | Normal Airline
        Find more flights
        Find more flights
      • SEA 12:10 AM
        31h 55m
        1 stop
        UBN 11:05 PM
        Seattle - Ulaanbaatar | Tue, Oct 20 | Asiana Airlines
        TWD 20,907 TWD 35,286
        41% off
        41% off
        TWD 35,286 TWD 20,907
      • SEA 12:50 PM
        31h 20m
        1 stop
        UBN 11:10 AM
        Seattle - Ulaanbaatar | Thu, Oct 15 | Korean Air
        TWD 21,091 TWD 35,286
        40% off
        40% off
        TWD 35,286 TWD 21,091
      • SEA 11:00 AM
        31h 25m
        1 stop
        UBN 10:25 AM
        Seattle - Ulaanbaatar | Sat, Nov 21 | Korean Air
        TWD 21,550 TWD 35,286
        39% off
        39% off
        TWD 35,286 TWD 21,550
      • SEA 12:50 PM
        31h 20m
        1 stop
        UBN 11:10 AM
        Seattle - Ulaanbaatar | Tue, Oct 20 | Korean Air
        TWD 21,616
        39% off
        TWD 35,286 TWD 21,616
      • SEA 1:00 PM
        31h 10m
        1 stop
        UBN 11:10 AM
        Seattle - Ulaanbaatar | Tue, Oct 20 | Delta Air Lines
        TWD 21,791
        38% off
        TWD 35,286 TWD 21,791
      • SEA 11:00 AM
        32h 50m
        1 stop
        UBN 10:50 AM
        Seattle - Ulaanbaatar | Tue, Oct 20 | Hainan Airlines
        TWD 22,164
        37% off
        TWD 35,286 TWD 22,164
      • SEA 7:15 PM
        21h 5m
        1 stop
        UBN 7:20 AM
        Seattle - Ulaanbaatar | Tue, Oct 20 | Turkish Airlines
        TWD 23,077
        35% off
        TWD 35,286 TWD 23,077
      • SEA 1:00 PM
        37h
        1 stop
        UBN 5:00 PM
        Seattle - Ulaanbaatar | Wed, Sep 30 | Korean Air
        TWD 23,663
        33% off
        TWD 35,286 TWD 23,663
      • SEA 7:15 PM
        21h 5m
        1 stop
        UBN 7:20 AM
        Seattle - Ulaanbaatar | Thu, Oct 15 | Turkish Airlines
        TWD 24,438
        31% off
        TWD 35,286 TWD 24,438
      • SEA 11:00 AM
        31h 25m
        1 stop
        UBN 10:25 AM
        Seattle - Ulaanbaatar | Sat, Nov 21 | Delta Air Lines
        TWD 24,661
        30% off
        TWD 35,286 TWD 24,661
      • SEA 7:15 PM
        21h 5m
        1 stop
        UBN 7:20 AM
        Seattle - Ulaanbaatar | Sun, Oct 11 | Turkish Airlines
        TWD 24,741
        30% off
        TWD 35,286 TWD 24,741
      • SEA 11:45 AM
        20h 25m
        1 stop
        UBN 11:10 PM
        Seattle - Ulaanbaatar | Tue, Oct 20 | Cathay Pacific
        TWD 25,053
        28% off
        TWD 35,286 TWD 25,053
      • SEA 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Seattle - Ulaanbaatar | Sat, Sep 26 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport

What is the cheapest month for one-way flights from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport?

Data is based on average one-way flight prices from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport, the best time to buy is in September, with an average price of TWD 17,772. You’ll want to avoid May, when the average price can reach as high as TWD 31,786.

TWD 31,786
TWD 24,779
TWD 17,772
TWD 10,765
  • TWD 17,772
    Sep
  • TWD 24,453
    Oct
  • TWD 21,129
    Nov
  • TWD 28,853
    Dec
  • TWD 19,522
    Jan
  • TWD 19,945
    Feb
  • TWD 21,344
    Mar
  • TWD 21,306
    Apr
  • TWD 31,786
    May
  • TWD 30,409
    Jun
  • TWD 23,419
    Jul
  • TWD 23,205
    Aug

What is the cheapest day of the week to fly from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Friday, as ticket prices are usually the highest that day.

TWD 32,110
TWD 25,777
TWD 19,443
TWD 13,110
    Cheapest
  • TWD 23,017
    Mon
  • TWD 29,371
    Tue
  • TWD 19,443
    Wed
  • TWD 23,065
    Thu
  • TWD 32,110
    Fri
  • TWD 27,602
    Sat
  • TWD 21,603
    Sun

Which airline offers the cheapest flights from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport?

The cheapest airline flying from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport is Korean Air (from TWD 19,143) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Korean Air
From TWD 19,143
Asiana Airlines
From TWD 19,403
Delta Air Lines
From TWD 21,791
Hainan Airlines
From TWD 22,164
Alaska Airlines
From TWD 22,590
EVA Air
From TWD 22,888
Turkish Airlines
From TWD 23,077
Cathay Pacific
From TWD 23,947
United Airlines
From TWD 27,828
All Nippon Airways
From TWD 28,296

Find more flights and airlines

What is the flight schedule from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport?

Check the schedule for flights from Seattle to Ulaanbaatar and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL197

    Seattle Tacoma Intl. Airport

    1:05 PM

    SEA

    11h 45m

    Nonstop

    4:50 PM

    ICN

    S M T W T F S
    Search

  2. OZ567

    Incheon Intl. Airport

    8:20 PM

    ICN

    3h 45m

    Nonstop

    11:05 PM

    UBN

    S M T W T F S

  3. KE042

    Seattle Tacoma Intl. Airport

    12:50 PM

    SEA

    11h 50m

    Nonstop

    4:40 PM

    ICN

    S M T W T F S
    Search

  4. OZ567

    Incheon Intl. Airport

    8:20 PM

    ICN

    3h 45m

    Nonstop

    11:05 PM

    UBN

    S M T W T F S

  5. CX853

    Seattle Tacoma Intl. Airport

    11:45 AM

    SEA

    14h

    Nonstop

    4:45 PM

    HKG

    S M T W - F -
    Search

  6. CX6202

    Hong Kong Intl. Airport

    12:05 PM

    HKG

    4h 40m

    Nonstop

    4:45 PM

    UBN

    S - T - - F -

  7. HU496

    Seattle Tacoma Intl. Airport

    11:00 AM

    SEA

    13h 10m

    Nonstop

    3:10 PM

    PEK

    - M - - - F -
    Search

  8. OM224

    Beijing Capital Intl. Airport

    9:30 AM

    PEK

    2h 30m

    Nonstop

    12:00 PM

    UBN

    S M T W T F S

  9. TK204

    Seattle Tacoma Intl. Airport

    7:10 PM

    SEA

    11h 55m

    Nonstop

    5:05 PM

    IST

    S M T W T F S
    Search

  10. TK236

    Istanbul Airport

    6:25 PM

    IST

    7h 55m

    Nonstop

    7:20 AM

    UBN

    S - T W T F S

  11. UA499

    Seattle Tacoma Intl. Airport

    6:57 AM

    SEA

    2h 13m

    Nonstop

    9:10 AM

    SFO

    S M T W T F S
    Search

  12. NH7013

    San Francisco Intl. Airport

    12:25 PM

    SFO

    10h 35m

    Nonstop

    3:00 PM

    NRT

    S M T W T F S

  13. UA007

    Narita Intl. Airport

    4:30 PM

    NRT

    5h 25m

    Nonstop

    8:55 PM

    UBN

    - M - W - - S

  14. NH7305

    Seattle Tacoma Intl. Airport

    9:02 AM

    SEA

    2h 18m

    Nonstop

    11:20 AM

    SFO

    S - T W T - S
    Search

  15. NH7013

    San Francisco Intl. Airport

    12:25 PM

    SFO

    10h 35m

    Nonstop

    3:00 PM

    NRT

    S M T W T F S

  16. UA007

    Narita Intl. Airport

    4:30 PM

    NRT

    5h 25m

    Nonstop

    8:55 PM

    UBN

    - M - W - - S

  17. BR025

    Seattle Tacoma Intl. Airport

    1:30 AM

    SEA

    12h 30m

    Nonstop

    5:00 AM

    TPE

    S M T W T F S
    Search

  18. BR851

    Taoyuan Intl. Airport

    8:15 AM

    TPE

    1h 50m

    Nonstop

    10:05 AM

    HKG

    S M T W T F S

  19. OM298

    Hong Kong Intl. Airport

    12:05 PM

    HKG

    4h 40m

    Nonstop

    4:45 PM

    UBN

    - M T W T - S

  20. BR025

    Seattle Tacoma Intl. Airport

    1:30 AM

    SEA

    12h 30m

    Nonstop

    5:00 AM

    TPE

    S M T W T F S
    Search

  21. BR891

    Taoyuan Intl. Airport

    7:00 AM

    TPE

    1h 50m

    Nonstop

    8:50 AM

    HKG

    S M T W T F S

  22. OM298

    Hong Kong Intl. Airport

    12:05 PM

    HKG

    4h 40m

    Nonstop

    4:45 PM

    UBN

    - M T W T - S

  23. BR023

    Seattle Tacoma Intl. Airport

    12:30 AM

    SEA

    12h 30m

    Nonstop

    4:00 AM

    TPE

    - - T W T F S
    Search

  24. BR891

    Taoyuan Intl. Airport

    7:00 AM

    TPE

    1h 50m

    Nonstop

    8:50 AM

    HKG

    S M T W T F S

  25. OM298

    Hong Kong Intl. Airport

    12:05 PM

    HKG

    4h 40m

    Nonstop

    4:45 PM

    UBN

    - M T W T - S
Find more flights and airlines

About Seattle Tacoma Intl. Airport and Ulaanbaatar New International Airport

Learn about Seattle Tacoma Intl. Airport (SEA) and Ulaanbaatar New International Airport (UBN) — including location, terminals, transportation, and travel tips.

Flight distance 8,432.28 km
Cheapest one-way ticket price TWD 20,907
Cheapest return ticket price TWD 37,303

FAQs for Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport Flights

  • What is the transportation method from the main airport to downtown in Ulaanbaatar?

    • The distance from Chinggis Khaan International Airport to downtown is about 26 km. It takes about 40 minutes by taxi.
  • One-way flights from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport currently start from TWD 20,907, and round-trip fares start from TWD 37,303. The current lowest fare is a Asiana Airlines flight departing on Tue, Oct 20; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle Tacoma Intl. Airport to Ulaanbaatar New International Airport is TWD 28,887. Prices may vary depending on the departure date, airline, and availability.
  • Enter Seattle Tacoma Intl. Airport and Ulaanbaatar New International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.