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Flights from Hong Kong to Ulaanbaatar

Find the cheapest direct flight options from Hong Kong to Ulaanbaatar over the next three months. Book one-way tickets from BRL 1,373 and round-trip tickets from BRL 2,347.

      • Cheapest nonstop
        HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Mon, Jan 26 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Sat, Jan 31 | Miat Mongolian Airlines
        BRL 2,347 BRL 2,655
        12% OFF
        12% OFF
        BRL 2,655 BRL 2,347
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Tue, Feb 3 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Sat, Feb 7 | Miat Mongolian Airlines
        BRL 2,358 BRL 2,655
        11% OFF
        11% OFF
        BRL 2,655 BRL 2,358
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Mon, Feb 2 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Sat, Feb 7 | Miat Mongolian Airlines
        BRL 2,359 BRL 2,655
        11% OFF
        11% OFF
        BRL 2,655 BRL 2,359
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Sun, Feb 8 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Sat, Feb 14 | Miat Mongolian Airlines
        BRL 2,359
        11% OFF
        BRL 2,655 BRL 2,359
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Thu, Jan 29 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Wed, Feb 4 | Miat Mongolian Airlines
        BRL 2,360
        11% OFF
        BRL 2,655 BRL 2,360
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Sat, Feb 7 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Fri, Feb 13 | Miat Mongolian Airlines
        BRL 2,360
        11% OFF
        BRL 2,655 BRL 2,360
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Wed, Feb 4 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Mon, Feb 9 | Miat Mongolian Airlines
        BRL 2,360
        11% OFF
        BRL 2,655 BRL 2,360
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Fri, Jan 30 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Sun, Feb 1 | Miat Mongolian Airlines
        BRL 2,363
        11% OFF
        BRL 2,655 BRL 2,363
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Fri, Feb 6 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Mon, Feb 9 | Miat Mongolian Airlines
        BRL 2,363
        11% OFF
        BRL 2,655 BRL 2,363
      • HKG 12:25
        4h 40m
        Direct
        UBN 17:05
        Hong Kong - Ulaanbaatar | Thu, Feb 5 | Miat Mongolian Airlines
        UBN 06:45
        4h 40m
        Direct
        HKG 11:25
        Ulaanbaatar - Hong Kong | Mon, Feb 9 | Miat Mongolian Airlines
        BRL 2,363
        11% OFF
        BRL 2,655 BRL 2,363
      • HKG 13:00
        17h 25m
        1 stop
        ULN Invalid Date
        Hong Kong - Ulaanbaatar | Fri, Dec 12 | Normal Airline
        ULN 15:00
        6h
        Direct
        HKG 16:00
        Ulaanbaatar - Hong Kong | Sun, Dec 14 | Normal Airline
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Displayed flight fares from Hong Kong to Ulaanbaatar are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Hong Kong to Ulaanbaatar

The distance between Hong Kong and Ulaanbaatar is 2,912.78 km. It takes around 4 hours 40 minutes on average to fly from Hong Kong to Ulaanbaatar. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceBRL 1,169
Cheapest round-trip ticket priceBRL 2,347
Off-season for travelOctober
Peak season for travelJuly
Flight distance2,912.78 km
Average flight time4 hours 40 minutes

Find the best time to fly from Hong Kong to Ulaanbaatar

The cheapest time for Hong Kong to Ulaanbaatar flights: Feb 22 to Mar 1 — one way flight prices from BRL 1,077.

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 Hong Kong to Ulaanbaatar, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Hong Kong to Ulaanbaatar (HKG-ULN)?

    Based on Trip.com data, HK Express offers one-way fares as low as BRL 1,169 on Cheapest nonstop routes (e.g. HKG to UBN on Wed, Jan 14), while Miat Mongolian Airlines offers Cheapest nonstop round-trips from BRL 2,347 departing on Mon, Jan 26 and returning on Sat, Jan 31.
  • It takes around 4 hours 40 minutes to fly from Hong Kong (HKG) to Ulaanbaatar (ULN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong 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.
  • To find best deals on flights from Hong Kong 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 Wed, Jan 14, with one-way flights priced at just BRL 1,169.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Miat Mongolian 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 July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Hong Kong to Ulaanbaatar is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Hong Kong to Ulaanbaatar on December 12, 2025 with Miat Mongolian Airlines, with prices starting at BRL 2,310.
  • The time difference between Ulaanbaatar and Hong Kong is 0h.
  • 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.