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Flights from Ulaanbaatar to Hanoi

Airlines operating flights from Ulaanbaatar to Hanoi

Choose from 3 airlines flying from Ulaanbaatar to Hanoi, including Korean Air, Asiana Airlines and China United Airlines. Air China currently offers the cheapest ticket on this route.

Find the cheapest flight options from Ulaanbaatar to Hanoi over the next three months. Book one-way tickets from KRW 324,928 and round-trip tickets from KRW 617,966.

Displayed flight fares from Ulaanbaatar to Hanoi are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Ulaanbaatar to Hanoi

The distance between Ulaanbaatar and Hanoi is 2,961.47 km. It takes around 4 hours 30 minutes on average to fly from Ulaanbaatar to Hanoi. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight priceKRW 324,928
Cheapest round-trip ticket priceKRW 617,966
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance2,961.47 km
Average flight time4 hours 30 minutes
Popular airlineKorean Air

Find the best time to fly from Ulaanbaatar to Hanoi

The cheapest time for Ulaanbaatar to Hanoi flights: Jan 11 to Jan 18 — one way flight prices from KRW 275,948.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Ulaanbaatar to Hanoi, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Ulaanbaatar to Hanoi (ULN-HAN)?

    Based on Trip.com data, Air China offers one-way fares as low as KRW 324,928 on Cheapest nonstop routes (e.g. UBN to HAN on Mon, Dec 15), while Miat Mongolian Airlines offers Cheapest nonstop round-trips from KRW 617,966 departing on Wed, Jan 28 and returning on Wed, Feb 4.
  • At the moment, you can catch a nonstop 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.
  • It takes around 4 hours 30 minutes to fly from Ulaanbaatar (ULN) to Hanoi (HAN).
  • 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.
  • 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 324,928.
    · 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.
  • The cheapest months to fly from Ulaanbaatar to Hanoi is September, when demand for travel is lower.
  • 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 620,466.
  • 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).
  • The time difference between Hanoi and Ulaanbaatar is 1h.
  • 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.