Cheap Flights from Ulaanbaatar to Hanoi from KRW 325,131

Flight FAQs

• Which airlines offer the cheapest flights from Ulaanbaatar (ULN) to Hanoi (HAN)?

  Based on Trip.com data, Air China offers one-way fares as low as KRW 325,131 on Cheapest nonstop routes (e.g. UBN to HAN on Mon, Dec 15), while Miat Mongolian Airlines offers Cheapest nonstop round-trips from KRW 618,353 departing on Wed, Jan 28 and returning on Wed, Feb 4.

• Which airlines offer direct flights from Ulaanbaatar to Hanoi?

  At the moment, you can catch a direct flight from Ulaanbaatar to Hanoi with the following airlines, including: Hunnu Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flights from Ulaanbaatar (ULN) to Hanoi (HAN)?

  It takes about 4 hours 30 minutes to fly from Ulaanbaatar (ULN) to Hanoi (HAN).

• When is the best time to book flights from Ulaanbaatar to Hanoi?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Ulaanbaatar to Hanoi 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 Ulaanbaatar to Hanoi?

  To find best deals on flights from Ulaanbaatar to Hanoi, 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 Mon, Dec 15, with one-way flights priced at just KRW 325,131.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air China.
  · 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 Hanoi travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Ulaanbaatar to Hanoi to get the best price?

  The cheapest months to fly from Ulaanbaatar to Hanoi is September, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Ulaanbaatar to Hanoi?

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Ulaanbaatar to Hanoi on December 14, 2025 with Miat Mongolian Airlines, with prices starting at KRW 620,855.

• Which airports can I fly through when travelling to Hanoi from Ulaanbaatar?

  You can land at any one of the following hubs in Hanoi, with Chinggis Khaan International Airport to Noi Bai International Airport (UBN-HAN) is by far the most common option on this route: Noi Bai International Airport (HAN).

• What is the time difference between Ulaanbaatar and Hanoi?

  The time difference between Hanoi and Ulaanbaatar is 1h.

• How can I change or cancel my flight ticket from Ulaanbaatar to Hanoi?

  Tickets can only be changed or cancelled 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.