HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ulaanbaatar

Cheap flights from Dulles Intl (IAD) to Ulaanbaatar (ULN)

IAD — ULN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Ulaanbaatar with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Ulaanbaatar

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Ulaanbaatar (ULN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Ulaanbaatar Buyant Ukhaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Ulaanbaatar Buyant Ukhaa flights.
Search Deals

Compare providers for flights from Dulles Intl to Ulaanbaatar

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Ulaanbaatar in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Ulaanbaatar flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Ulaanbaatar flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Ulaanbaatar flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Ulaanbaatar flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Ulaanbaatar flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Ulaanbaatar

Have a flexible travel schedule? Discover the best time to fly to Ulaanbaatar from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Ulaanbaatar

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ulaanbaatar?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ulaanbaatar (average of $1,003). Flying from Washington, D.C. Dulles Intl Airport to Ulaanbaatar in April is currently the most expensive (average of $1,496). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to ULN?

Find hourly flight availability from Dulles Intl to Ulaanbaatar. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Ulaanbaatar, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Ulaanbaatar. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ulaanbaatar from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Ulaanbaatar, you will be flying into Buyant Ukhaa. Ulaanbaatar Buyant Ukhaa (ULN) is just 8.1 mi from the center of the city. Buyant Ukhaa is the only Ulaanbaatar airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Ulaanbaatar Buyant Ukhaa from Washington, D.C. Dulles Intl on a regular basis.

  • Can I find deals for flights from Dulles Intl to Ulaanbaatar that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Ulaanbaatar flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Ulaanbaatar?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Ulaanbaatar.

  • Can I find deals for business class flights from Dulles Intl to Ulaanbaatar?

    Yes. Cheapflights offers flight deals from Dulles Intl to Ulaanbaatar by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ulaanbaatar?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ulaanbaatar (average of $1,003). Flying from Washington, D.C. Dulles Intl Airport to Ulaanbaatar in April is currently the most expensive (average of $1,496). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Ulaanbaatar

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Ulaanbaatar flights
Reagan-National to Ulaanbaatar flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.