Cheap Flights from Denver to Ulaanbaatar from $744

Frequently Asked Questions

• What are the cheapest flights from Denver to Ulaanbaatar (DEN-ULN)?

  Based on Trip.com data, Turkish Airlines offers one-way fares as low as $744 on Cheapest nonstop routes (e.g. DEN to UBN on Tue, Jul 28), while United Airlines offers Cheapest nonstop round-trips from $1,422 departing on Wed, Sep 2 and returning on Thu, Sep 10.

• Which airlines offer flights from Denver to Ulaanbaatar?

  At the moment, several airlines serve connecting flights from Denver to Ulaanbaatar, including: United Airlines Alaska Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Denver 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 Denver 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.

• How can I find the best deals on flights from Denver to Ulaanbaatar?

  To find best deals on flights from Denver 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 Tue, Jul 28, with one-way flights priced at just $744.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Turkish Airlines.
  · 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 January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Denver (DEN) to Ulaanbaatar (ULN) the cheapest?

  The cheapest months to fly from Denver to Ulaanbaatar is October, when demand for travel is lower.

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

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Denver to Ulaanbaatar on July 28, 2026 with Turkish Airlines, with prices starting at $809.

• Which airports can I fly to for Ulaanbaatar from Denver?

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

• Is there any time difference between Denver and Ulaanbaatar?

  The time difference between Ulaanbaatar and Denver is 15h.

• How do I change or cancel my ticket from Denver 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.