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Flights from Oita to Ulaanbaatar

Find the cheapest flight options from Oita to Ulaanbaatar over the next three months. Book one-way tickets from VND 6,795,157 and round-trip tickets from VND 14,187,362.

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

Flight details for Oita to Ulaanbaatar

The distance between Oita and Ulaanbaatar is 2,623.4 km. Based on Trip.com's data, travel demand peaks in August. The off-season for travel is November.

Cheapest one-way flight priceVND 6,795,157
Cheapest round-trip ticket priceVND 14,187,362
Off-season for travelNovember
Peak season for travelAugust
Flight distance2,623.4 km

Find the best time to fly from Oita to Ulaanbaatar

The cheapest time for Oita to Ulaanbaatar flights: Dec 21 to Dec 28 — one way flight prices from VND 6,795,156.

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 Oita to Ulaanbaatar, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Oita to Ulaanbaatar (OIT-ULN)?

    Based on Trip.com data, Jeju Air offers one-way fares as low as VND 6,795,157 on Cheapest nonstop routes (e.g. OIT to UBN on Wed, Dec 24), while Jetstar Japan offers Cheapest nonstop round-trips from VND 14,187,362 departing on Sun, Feb 1 and returning on Sun, Feb 8.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Oita 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 Oita 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, Dec 24, with one-way flights priced at just VND 6,795,157.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jeju Air.
    · 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 August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Oita to Ulaanbaatar is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Oita to Ulaanbaatar on December 27, 2025 with Jeju Air, with prices starting at VND 18,933,895.
  • The time difference between Ulaanbaatar and Oita 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.