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Flights from Washington D.C. to Ulaanbaatar

Hi, I've summed up all the key info for Washington D.C. to Ulaanbaatar flights

Cheapest one-way

$ 690
Korean Air Fri, Nov 6

36% below next 30d avg. ($1,078)

Cheapest round-trip

$ 1,281
Korean Air Wed, Sep 23

When to travel

August Cheapest month
July Peak month

Recommended airlines

With a lowest one-way fare of $690 , travelers can expect an average price of $1,078 for upcoming trips, while round-trip tickets start at $1,281 . You can arrive at any of the following airports in Ulaanbaatar: Buyant Ukhaa International Airport (ULN) , and Chinggis Khaan International Airport (UBN) . Flights from Dulles International Airport to Chinggis Khaan International Airport (IAD-UBN) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 1d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Washington D.C. to Ulaanbaatar over the next 90 days, with one-way fares from $690 and round-trip from $1,281. Based on Trip.com's latest 7-day flight data.

      • IAD 1:15 PM
        21h 35m
        1 stop
        UBN 10:50 PM
        Washington D.C. - Ulaanbaatar | Wed, Sep 23 | Korean Air
        UBN 1:00 PM
        34h 5m
        1 stop
        IAD 11:05 AM
        Ulaanbaatar - Washington D.C. | Wed, Sep 30 | Korean Air
        $1,281 $1,895
        32% off
        32% off
        $1,895 $1,281
      • 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
        $1,301 $1,895
        31% off
        31% off
        $1,895 $1,301
      • 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
        $1,336 $1,895
        28% off
        28% off
        $1,895 $1,336
      • IAD 1:15 PM
        21h 35m
        1 stop
        UBN 10:50 PM
        Washington D.C. - Ulaanbaatar | Sat, Sep 19 | Korean Air
        UBN 12:45 AM
        22h 20m
        1 stop
        IAD 11:05 AM
        Ulaanbaatar - Washington D.C. | Fri, Sep 25 | Korean Air
        $1,346
        28% off
        $1,895 $1,346
      • IAD 1:15 PM
        33h 55m
        1 stop
        UBN 11:10 AM
        Washington D.C. - Ulaanbaatar | Tue, Sep 15 | Korean Air
        UBN 1:00 PM
        34h 5m
        1 stop
        IAD 11:05 AM
        Ulaanbaatar - Washington D.C. | Mon, Sep 21 | Korean Air
        $1,351
        28% off
        $1,895 $1,351
      • IAD 1:15 PM
        33h 55m
        1 stop
        UBN 11:10 AM
        Washington D.C. - Ulaanbaatar | Thu, Sep 24 | Korean Air
        UBN 1:00 PM
        34h 5m
        1 stop
        IAD 11:05 AM
        Ulaanbaatar - Washington D.C. | Wed, Sep 30 | Korean Air
        $1,371
        28% off
        $1,895 $1,371
      • IAD 1:15 PM
        33h 55m
        1 stop
        UBN 11:10 AM
        Washington D.C. - Ulaanbaatar | Fri, Sep 25 | Korean Air
        UBN 1:00 PM
        34h 5m
        1 stop
        IAD 11:05 AM
        Ulaanbaatar - Washington D.C. | Wed, Sep 30 | Korean Air
        $1,371
        28% off
        $1,895 $1,371
      • IAD 1:20 PM
        35h 20m
        1 stop
        UBN 12:40 PM
        Washington D.C. - Ulaanbaatar | Fri, Oct 2 | Air Premia
        UBN 11:50 AM
        19h 40m
        1 stop
        IAD 7:30 PM
        Ulaanbaatar - Washington D.C. | Fri, Oct 9 | Air China
        $1,402
        26% off
        $1,895 $1,402
      • 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
        $1,550
        18% off
        $1,895 $1,550
      • IAD 1:15 PM
        25h 25m
        1 stop
        UBN 2:40 AM
        Washington D.C. - Ulaanbaatar | Sat, Sep 19 | Miat Mongolian Airlines
        UBN 11:50 AM
        19h 40m
        1 stop
        IAD 7:30 PM
        Ulaanbaatar - Washington D.C. | Fri, Sep 25 | Air China
        $1,591
        16% off
        $1,895 $1,591
      • WAS 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Washington D.C. - Ulaanbaatar | Sat, Sep 12 | Normal Airline
        ULN 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Ulaanbaatar - Washington D.C. | Mon, Sep 14 | Normal Airline
        Find more flights
        Find more flights
      • IAD 11:50 AM
        33h 35m
        1 stop
        UBN 10:25 AM
        Washington D.C. - Ulaanbaatar | Fri, Nov 6 | Korean Air
        $690 $1,040
        34% off
        34% off
        $1,040 $690
      • IAD 1:15 PM
        21h 35m
        1 stop
        UBN 10:50 PM
        Washington D.C. - Ulaanbaatar | Sat, Sep 19 | Korean Air
        $723 $1,040
        30% off
        30% off
        $1,040 $723
      • IAD 1:15 PM
        30h 5m
        1 stop
        UBN 7:20 AM
        Washington D.C. - Ulaanbaatar | Thu, Sep 24 | Turkish Airlines
        $738 $1,040
        28% off
        28% off
        $1,040 $738
      • IAD 9:40 PM
        21h 40m
        1 stop
        UBN 7:20 AM
        Washington D.C. - Ulaanbaatar | Tue, Sep 29 | Turkish Airlines
        $767
        26% off
        $1,040 $767
      • IAD 1:20 PM
        36h
        1 stop
        UBN 1:20 PM
        Washington D.C. - Ulaanbaatar | Mon, Sep 14 | Air Premia
        $788
        24% off
        $1,040 $788
      • IAD 1:15 PM
        33h 55m
        1 stop
        UBN 11:10 AM
        Washington D.C. - Ulaanbaatar | Tue, Sep 29 | Korean Air
        $793
        24% off
        $1,040 $793
      • IAD 1:15 PM
        30h 5m
        1 stop
        UBN 7:20 AM
        Washington D.C. - Ulaanbaatar | Tue, Sep 22 | Turkish Airlines
        $798
        23% off
        $1,040 $798
      • IAD 1:15 PM
        30h 5m
        1 stop
        UBN 7:20 AM
        Washington D.C. - Ulaanbaatar | Fri, Sep 18 | Turkish Airlines
        $810
        22% off
        $1,040 $810
      • IAD 11:35 PM
        25h 40m
        1 stop
        UBN 2:15 PM
        Washington D.C. - Ulaanbaatar | Fri, Nov 6 | Air Premia
        $823
        21% off
        $1,040 $823
      • IAD 1:20 PM
        35h 20m
        1 stop
        UBN 12:40 PM
        Washington D.C. - Ulaanbaatar | Fri, Sep 18 | Air Premia
        $873
        16% off
        $1,040 $873
      • WAS 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Washington D.C. - Ulaanbaatar | Sat, Sep 12 | Normal Airline
        Find more flights
        Find more flights

Which airlines are the most popular for Washington D.C. to Ulaanbaatar flights?

The most popular airlines flying from Washington D.C. to Ulaanbaatar are Korean Air, Turkish Airlines, and Miat Mongolian Airlines, among 6 carriers on this route. Korean Air offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Korean Air logo Korean Air
Turkish Airlines logo Turkish Airlines
Miat Mongolian Airlines logo Miat Mongolian Airlines
Air Premia logo Air Premia
Air China logo Air China
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Washington D.C. to Ulaanbaatar according to previous 12 months data from Trip.com.

Flight Info | Washington D.C. to Ulaanbaatar

The distance between Washington D.C. and Ulaanbaatar is approximately 10,364.22 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is August.

Cheapest one-way flight price $690
Cheapest round-trip ticket price $1,281
Off-season for travel August
Peak season for travel July
Flight distance 10,364.22 km
Popular airline Korean Air
Flight statistics for the Washington D.C.–Ulaanbaatar route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Washington D.C. to Ulaanbaatar

Which month has the cheapest one-way flights from Washington D.C. to Ulaanbaatar?

The average price of one-way flights from Washington D.C. to Ulaanbaatar purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Washington D.C. to Ulaanbaatar is October, with an average price of $599; while the month with the highest flight price is usually June, with an average price of up to $1,212.

$1,212
$906
$599
$293
    Cheapest
  • $641
    Sep
  • $599
    Oct
  • $701
    Nov
  • $1,061
    Dec
  • $653
    Jan
  • $705
    Feb
  • $694
    Mar
  • $654
    Apr
  • $1,037
    May
  • $1,212
    Jun
  • $1,025
    Jul
  • $784
    Aug

Frequently Asked Questions

  • What are the cheapest flights from Washington D.C. to Ulaanbaatar (WAS-ULN)?

    Based on Trip.com data, Korean Air offers one-way fares as low as $690 on Cheapest nonstop routes (e.g. IAD to UBN on Fri, Nov 6), while Korean Air offers Cheapest nonstop round-trips from $1,281 departing on Wed, Sep 23 and returning on Wed, Sep 30.
  • At the moment, you can catch a nonstop flight from Washington D.C. to Ulaanbaatar with the following airlines, including: Miat Mongolian Airlines Air Premia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. 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.
  • To find best deals on flights from Washington D.C. to Ulaanbaatar, 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 Fri, Nov 6, with one-way flights priced at just $690.
    · 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 Ulaanbaatar travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Ulaanbaatar is August, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Washington D.C. to Ulaanbaatar on September 17, 2026 with Korean Air, with prices starting at $1,252.
  • You can arrive at any of the following airports in Ulaanbaatar: Buyant Ukhaa International Airport (ULN), and Chinggis Khaan International Airport (UBN). Flights from Dulles International Airport to Chinggis Khaan International Airport (IAD-UBN) are by far the most popular option for this route.
  • The time difference between Ulaanbaatar and Washington D.C. is 13h.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Ulaanbaatar is $1,078. Fares vary by travel date, airline and availability.
  • Enter Washington D.C. and Ulaanbaatar, 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.

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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.