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Dulles International Airport to Ulaanbaatar New International Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Ulaanbaatar New International Airport over the next 90 days, with one-way fares from THB 20,630 and round-trip from THB 40,020. Based on Trip.com's latest 7-day flight data.

      • IAD 11:50 AM
        33h 35m
        1 stop
        UBN 10:25 AM
        Washington D.C. - Ulaanbaatar | Thu, Nov 26 | Korean Air
        UBN 12:25 PM
        34h 25m
        1 stop
        IAD 9:50 AM
        Ulaanbaatar - Washington D.C. | Thu, Dec 3 | Korean Air
        THB 40,020 THB 78,030
        49% off
        49% off
        THB 78,030 THB 40,020
      • IAD 9:40 PM
        21h 40m
        1 stop
        UBN 7:20 AM
        Washington D.C. - Ulaanbaatar | Thu, Oct 8 | Turkish Airlines
        UBN 9:10 AM
        22h 35m
        1 stop
        IAD 7:45 PM
        Ulaanbaatar - Washington D.C. | Thu, Oct 15 | Turkish Airlines
        THB 43,770 THB 78,030
        44% off
        44% off
        THB 78,030 THB 43,770
      • IAD 1:30 PM
        28h 55m
        1 stop
        UBN 7:25 AM
        Washington D.C. - Ulaanbaatar | Tue, Nov 10 | Turkish Airlines
        UBN 9:15 AM
        39h 30m
        1 stop
        IAD 11:45 AM
        Ulaanbaatar - Washington D.C. | Tue, Nov 17 | Turkish Airlines
        THB 44,280 THB 78,030
        43% off
        43% off
        THB 78,030 THB 44,280
      • IAD 9:20 PM
        21h 5m
        1 stop
        UBN 7:25 AM
        Washington D.C. - Ulaanbaatar | Thu, Nov 26 | Turkish Airlines
        UBN 9:15 AM
        39h 30m
        1 stop
        IAD 11:45 AM
        Ulaanbaatar - Washington D.C. | Thu, Dec 3 | Turkish Airlines
        THB 44,340
        43% off
        THB 78,030 THB 44,340
      • IAD 11:50 AM
        33h 35m
        1 stop
        UBN 10:25 AM
        Washington D.C. - Ulaanbaatar | Tue, Nov 10 | Korean Air
        UBN 11:40 AM
        19h 50m
        1 stop
        IAD 6:30 PM
        Ulaanbaatar - Washington D.C. | Tue, Nov 17 | Air China
        THB 44,720
        43% off
        THB 78,030 THB 44,720
      • IAD 1:15 PM
        33h 55m
        1 stop
        UBN 11:10 AM
        Washington D.C. - Ulaanbaatar | Thu, Oct 8 | Korean Air
        UBN 1:00 PM
        34h 5m
        1 stop
        IAD 11:05 AM
        Ulaanbaatar - Washington D.C. | Thu, Oct 15 | Korean Air
        THB 44,940
        42% off
        THB 78,030 THB 44,940
      • IAD 1:30 PM
        28h 55m
        1 stop
        UBN 7:25 AM
        Washington D.C. - Ulaanbaatar | Sun, Nov 15 | Turkish Airlines
        UBN 9:15 AM
        39h 30m
        1 stop
        IAD 11:45 AM
        Ulaanbaatar - Washington D.C. | Sat, Nov 21 | Turkish Airlines
        THB 45,760
        41% off
        THB 78,030 THB 45,760
      • IAD 11:50 AM
        33h 35m
        1 stop
        UBN 10:25 AM
        Washington D.C. - Ulaanbaatar | Sat, Nov 14 | Korean Air
        UBN 12:25 PM
        34h 25m
        1 stop
        IAD 9:50 AM
        Ulaanbaatar - Washington D.C. | Sat, Nov 21 | Korean Air
        THB 46,390
        41% off
        THB 78,030 THB 46,390
      • IAD 11:35 PM
        25h 40m
        1 stop
        UBN 2:15 PM
        Washington D.C. - Ulaanbaatar | Sun, Nov 15 | Air Premia
        UBN 9:15 AM
        39h 30m
        1 stop
        IAD 11:45 AM
        Ulaanbaatar - Washington D.C. | Sat, Nov 21 | Turkish Airlines
        THB 47,900
        39% off
        THB 78,030 THB 47,900
      • IAD 1:15 PM
        33h 55m
        1 stop
        UBN 11:10 AM
        Washington D.C. - Ulaanbaatar | Mon, Oct 12 | Korean Air
        UBN 9:10 AM
        38h 20m
        1 stop
        IAD 11:30 AM
        Ulaanbaatar - Washington D.C. | Sun, Oct 18 | Turkish Airlines
        THB 50,870
        35% off
        THB 78,030 THB 50,870
      • IAD 1:15 PM
        30h 5m
        1 stop
        UBN 7:20 AM
        Washington D.C. - Ulaanbaatar | Thu, Oct 8 | Miat Mongolian Airlines
        UBN 9:10 AM
        22h 35m
        1 stop
        IAD 7:45 PM
        Ulaanbaatar - Washington D.C. | Thu, Oct 15 | Miat Mongolian Airlines
        THB 52,140
        33% off
        THB 78,030 THB 52,140
      • IAD 12:20 PM
        43h 15m
        1 stop
        UBN 8:35 PM
        Washington D.C. - Ulaanbaatar | Tue, Nov 10 | United Airlines
        UBN 11:40 AM
        19h 50m
        1 stop
        IAD 6:30 PM
        Ulaanbaatar - Washington D.C. | Tue, Nov 17 | Air China
        THB 54,620
        30% off
        THB 78,030 THB 54,620
      • WAS 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Washington D.C. - Ulaanbaatar | Tue, Oct 6 | Normal Airline
        ULN 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Ulaanbaatar - Washington D.C. | Thu, Oct 8 | Normal Airline
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      • IAD 11:50 AM
        33h 35m
        1 stop
        UBN 10:25 AM
        Washington D.C. - Ulaanbaatar | Mon, Nov 30 | Korean Air
        THB 20,630 THB 42,450
        51% off
        51% off
        THB 42,450 THB 20,630
      • IAD 11:35 PM
        25h 40m
        1 stop
        UBN 2:15 PM
        Washington D.C. - Ulaanbaatar | Fri, Nov 6 | Air Premia
        THB 24,240 THB 42,450
        43% off
        43% off
        THB 42,450 THB 24,240
      • IAD 11:50 AM
        33h 35m
        1 stop
        UBN 10:25 AM
        Washington D.C. - Ulaanbaatar | Fri, Nov 6 | Korean Air
        THB 24,430 THB 42,450
        42% off
        42% off
        THB 42,450 THB 24,430
      • IAD 11:35 PM
        38h 5m
        1 stop
        UBN 2:40 AM
        Washington D.C. - Ulaanbaatar | Wed, Nov 11 | Air Premia
        THB 24,790
        42% off
        THB 42,450 THB 24,790
      • IAD 1:15 PM
        33h 55m
        1 stop
        UBN 11:10 AM
        Washington D.C. - Ulaanbaatar | Tue, Oct 20 | Korean Air
        THB 25,840
        39% off
        THB 42,450 THB 25,840
      • IAD 10:20 PM
        21h 5m
        1 stop
        UBN 7:25 AM
        Washington D.C. - Ulaanbaatar | Thu, Oct 29 | Turkish Airlines
        THB 26,200
        38% off
        THB 42,450 THB 26,200
      • IAD 1:15 PM
        30h 5m
        1 stop
        UBN 7:20 AM
        Washington D.C. - Ulaanbaatar | Tue, Oct 20 | Turkish Airlines
        THB 26,200
        38% off
        THB 42,450 THB 26,200
      • IAD 11:50 AM
        33h 35m
        1 stop
        UBN 10:25 AM
        Washington D.C. - Ulaanbaatar | Wed, Nov 11 | Korean Air
        THB 26,920
        37% off
        THB 42,450 THB 26,920
      • IAD 9:20 PM
        21h 5m
        1 stop
        UBN 7:25 AM
        Washington D.C. - Ulaanbaatar | Sun, Nov 22 | Turkish Airlines
        THB 27,110
        36% off
        THB 42,450 THB 27,110
      • IAD 1:15 PM
        30h 5m
        1 stop
        UBN 7:20 AM
        Washington D.C. - Ulaanbaatar | Fri, Oct 16 | Turkish Airlines
        THB 27,230
        36% off
        THB 42,450 THB 27,230
      • IAD 1:20 PM
        35h 20m
        1 stop
        UBN 12:40 PM
        Washington D.C. - Ulaanbaatar | Fri, Oct 9 | Air Premia
        THB 29,090
        31% off
        THB 42,450 THB 29,090
      • IAD 12:50 PM
        33h 35m
        1 stop
        UBN 10:25 AM
        Washington D.C. - Ulaanbaatar | Thu, Oct 29 | Korean Air
        THB 29,710
        30% off
        THB 42,450 THB 29,710
      • WAS 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Washington D.C. - Ulaanbaatar | Tue, Oct 6 | Normal Airline
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Displayed flight fares from Dulles International 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 Dulles International Airport to Ulaanbaatar New International Airport

What is the cheapest month for one-way flights from Dulles International Airport to Ulaanbaatar New International Airport?

Data is based on average one-way flight prices from Dulles International 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 Dulles International Airport to Ulaanbaatar New International Airport, the best time to buy is in September, with an average price of THB 19,610. You’ll want to avoid June, when the average price can reach as high as THB 40,770.

THB 40,770
THB 30,190
THB 19,610
THB 9,030
  • THB 19,610
    Sep
  • THB 20,150
    Oct
  • THB 23,450
    Nov
  • THB 35,680
    Dec
  • THB 21,980
    Jan
  • THB 23,700
    Feb
  • THB 23,350
    Mar
  • THB 22,000
    Apr
  • THB 34,900
    May
  • THB 40,770
    Jun
  • THB 34,480
    Jul
  • THB 26,360
    Aug

What is the cheapest day of the week to fly from Dulles International Airport to Ulaanbaatar New International Airport?

The data is based on the past 12 months and shows the average ticket prices from Dulles International 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 Dulles International Airport to Ulaanbaatar New International Airport is Tuesday, with average fares typically lower than other days. You’ll want to avoid flying on Wednesday, as ticket prices are usually the highest that day.

THB 35,820
THB 30,955
THB 26,090
THB 21,225
  • THB 34,110
    Mon
  • THB 26,090
    Tue
  • THB 35,820
    Wed
  • THB 30,240
    Thu
  • THB 33,840
    Fri
  • THB 28,600
    Sat
  • THB 26,610
    Sun

Which airline offers the cheapest flights from Dulles International Airport to Ulaanbaatar New International Airport?

The cheapest airline flying from Dulles International Airport to Ulaanbaatar New International Airport is Korean Air (from THB 20,630) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Korean Air
From THB 20,630
American Airlines
From THB 23,620
Alaska Airlines
From THB 23,650
Air Premia
From THB 24,240
Turkish Airlines
From THB 27,110
EVA Air
From THB 27,360
Miat Mongolian Airlines
From THB 28,710
Delta Air Lines
From THB 31,690
Cathay Pacific
From THB 32,550
United Airlines
From THB 54,620

Find more flights and airlines

What is the flight schedule from Dulles International Airport to Ulaanbaatar New International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. TK008

    Dulles International Airport

    10:20 PM

    IAD

    10h 5m

    Nonstop

    3:25 PM

    IST

    S M T W T F S
    Search

  2. TK236

    Istanbul Airport

    6:15 PM

    IST

    8h 10m

    Nonstop

    7:25 AM

    UBN

    S - T - T F S

  3. DL7856

    Dulles International Airport

    1:15 PM

    IAD

    15h 25m

    Nonstop

    5:40 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 - T - - F -

  5. KE094

    Dulles International Airport

    1:15 PM

    IAD

    15h 25m

    Nonstop

    5:40 PM

    ICN

    S M T W T F S
    Search

  6. OZ567

    Incheon Intl. Airport

    8:20 PM

    ICN

    3h 45m

    Nonstop

    11:05 PM

    UBN

    S - T - - F -

  7. YP136

    Dulles International Airport

    12:35 AM

    IAD

    15h 50m

    Nonstop

    5:25 AM

    ICN

    S - T - T - S
    Search

  8. 7C5203

    Incheon Intl. Airport

    11:30 AM

    ICN

    3h 45m

    Nonstop

    2:15 PM

    UBN

    - M - W - - S

  9. DL7856

    Dulles International Airport

    1:15 PM

    IAD

    15h 25m

    Nonstop

    5:40 PM

    ICN

    S M T W T F S
    Search

  10. OM308

    Incheon Intl. Airport

    12:40 AM

    ICN

    3h 45m

    Nonstop

    3:25 AM

    UBN

    S - T - - F S

  11. KE3884

    Dulles International Airport

    7:30 AM

    IAD

    2h 57m

    Nonstop

    9:27 AM

    MSP

    S M T W T F S
    Search

  12. KE5034

    Minneapolis-Saint Paul International Airport

    1:25 PM

    MSP

    13h 55m

    Nonstop

    5:20 PM

    ICN

    S M T W T F S

  13. KE5511

    Incheon Intl. Airport

    8:20 PM

    ICN

    3h 45m

    Nonstop

    11:05 PM

    UBN

    S - T - - F -

  14. BR003

    Dulles International Airport

    1:15 AM

    IAD

    16h 50m

    Nonstop

    6:05 AM

    TPE

    - M - W - F S
    Search

  15. BR170

    Taoyuan Intl. Airport

    7:30 AM

    TPE

    2h 30m

    Nonstop

    11:00 AM

    ICN

    S M T W T F S

  16. OM302

    Incheon Intl. Airport

    1:20 PM

    ICN

    3h 45m

    Nonstop

    4:05 PM

    UBN

    S M T W T F S

  17. BR003

    Dulles International Airport

    1:15 AM

    IAD

    16h 50m

    Nonstop

    6:05 AM

    TPE

    - M - W - 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

    1:00 PM

    HKG

    4h 40m

    Nonstop

    5:40 PM

    UBN

    - M T W T - S

  20. AS409

    Dulles International Airport

    7:02 AM

    IAD

    5h 42m

    Nonstop

    9:44 AM

    SEA

    S M T W T F S
    Search

  21. CX853

    Seattle Tacoma Intl. Airport

    11:45 AM

    SEA

    14h

    Nonstop

    4:45 PM

    HKG

    S M T W - F -

  22. CX6202

    Hong Kong Intl. Airport

    6:30 PM

    HKG

    4h 40m

    Nonstop

    11:10 PM

    UBN

    S - T - - F -

  23. TK008

    Dulles International Airport

    10:20 PM

    IAD

    10h 5m

    Nonstop

    3:25 PM

    IST

    S M T W T F S
    Search

  24. TK196

    Istanbul Airport

    3:55 PM

    IST

    8h 45m

    Nonstop

    5:40 AM

    PEK

    S M T W T F S

  25. CA955

    Beijing Capital Intl. Airport

    12:50 PM

    PEK

    2h 15m

    Nonstop

    3:05 PM

    UBN

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

About Dulles International Airport and Ulaanbaatar New International Airport

Learn about Dulles International Airport (IAD) and Ulaanbaatar New International Airport (UBN) — including location, terminals, transportation, and travel tips.

Flight distance 10,387.93 km
Cheapest one-way ticket price THB 20,630
Cheapest return ticket price THB 40,020

FAQs for Dulles International 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 Dulles International Airport to Ulaanbaatar New International Airport currently start from THB 20,630, and round-trip fares start from THB 40,020. The current lowest fare is a Korean Air flight departing on Mon, Nov 30; 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 Dulles International Airport to Ulaanbaatar New International Airport is THB 29,430. Prices may vary depending on the departure date, airline, and availability.
  • Enter Dulles International 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.