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Flights from Ulaanbaatar to Hanoi

Find flight deals from Ulaanbaatar to Hanoi for the next 3 months. Book one way flights from €189 or round trip flights from €359.

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.

Flying from Ulaanbaatar to Hanoi

The distance between Ulaanbaatar and Hanoi is approximately 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 price€189
Cheapest round-trip ticket price€359
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance2,961.47 km
Average flight time4 hours 30 minutes

When is the cheapest 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 €160.

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.

Frequently Asked Questions

  • 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 €189 on Cheapest nonstop routes (e.g. UBN to HAN on Mon, Dec 15), while Miat Mongolian Airlines offers Cheapest nonstop round-trips from €359 departing on Thu, Jan 29 and returning on Thu, Feb 5.
  • 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 €189.
    · 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 €360.
  • 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.