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Flights from Cheongju to Ulaanbaatar

Find flight deals from Cheongju to Ulaanbaatar for the next 3 months. Book one way flights from 2,216 AZN or round trip flights from 4,628 AZN.

      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Wed, Feb 11 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Sat, Feb 14 | Miat Mongolian Airlines
        4,628 AZN 6,439 AZN
        28% OFF
        28% OFF
        6,439 AZN 4,628 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Tue, Feb 10 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Thu, Feb 12 | Miat Mongolian Airlines
        4,635 AZN 6,439 AZN
        28% OFF
        28% OFF
        6,439 AZN 4,635 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Sun, Feb 8 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Wed, Feb 11 | Miat Mongolian Airlines
        4,791 AZN 6,439 AZN
        26% OFF
        26% OFF
        6,439 AZN 4,791 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Tue, Jan 27 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Mon, Feb 2 | Miat Mongolian Airlines
        5,036 AZN
        22% OFF
        6,439 AZN 5,036 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Sat, Feb 7 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Wed, Feb 11 | Miat Mongolian Airlines
        5,078 AZN
        21% OFF
        6,439 AZN 5,078 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Sat, Jan 24 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Sat, Jan 31 | Miat Mongolian Airlines
        5,235 AZN
        19% OFF
        6,439 AZN 5,235 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Thu, Feb 5 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Sat, Feb 7 | Miat Mongolian Airlines
        5,256 AZN
        18% OFF
        6,439 AZN 5,256 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Tue, Jan 13 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Mon, Jan 19 | Miat Mongolian Airlines
        5,334 AZN
        17% OFF
        6,439 AZN 5,334 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Fri, Jan 23 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Wed, Jan 28 | Miat Mongolian Airlines
        5,357 AZN
        17% OFF
        6,439 AZN 5,357 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Sat, Jan 17 | Aero K Airlines
        UBN 08:55
        11h 35m
        1 stop
        CJJ 21:30
        Ulaanbaatar - Cheongju | Fri, Jan 23 | Miat Mongolian Airlines
        5,537 AZN
        14% OFF
        6,439 AZN 5,537 AZN
      • CJJ 13:00
        17h 25m
        1 stop
        ULN Invalid Date
        Cheongju - Ulaanbaatar | Mon, Dec 15 | Normal Airline
        ULN 15:00
        6h
        Nonstop
        CJJ 16:00
        Ulaanbaatar - Cheongju | Wed, Dec 17 | Normal Airline
        Find More Flights
        Find More Flights
      • CJJ 09:45
        11h 50m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Sun, Feb 8 | Aero K Airlines
        2,216 AZN 3,160 AZN
        30% OFF
        30% OFF
        3,160 AZN 2,216 AZN
      • CJJ 09:45
        11h 45m
        1 stop
        UBN 20:30
        Cheongju - Ulaanbaatar | Thu, Jan 22 | Aero K Airlines
        2,324 AZN 3,160 AZN
        26% OFF
        26% OFF
        3,160 AZN 2,324 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Thu, Feb 5 | Aero K Airlines
        2,326 AZN 3,160 AZN
        26% OFF
        26% OFF
        3,160 AZN 2,326 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Thu, Jan 29 | Aero K Airlines
        2,525 AZN
        20% OFF
        3,160 AZN 2,525 AZN
      • CJJ 15:50
        29h 45m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Fri, Feb 6 | Aero K Airlines
        2,551 AZN
        19% OFF
        3,160 AZN 2,551 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Wed, Jan 28 | Aero K Airlines
        2,551 AZN
        19% OFF
        3,160 AZN 2,551 AZN
      • CJJ 07:25
        14h 10m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Tue, Feb 10 | Aero K Airlines
        2,579 AZN
        18% OFF
        3,160 AZN 2,579 AZN
      • CJJ 09:45
        11h 50m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Sat, Feb 7 | Aero K Airlines
        2,658 AZN
        16% OFF
        3,160 AZN 2,658 AZN
      • CJJ 09:45
        11h 50m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Sun, Jan 18 | Aero K Airlines
        2,716 AZN
        14% OFF
        3,160 AZN 2,716 AZN
      • CJJ 09:45
        11h 50m
        1 stop
        UBN 20:35
        Cheongju - Ulaanbaatar | Wed, Feb 4 | Aero K Airlines
        2,717 AZN
        14% OFF
        3,160 AZN 2,717 AZN
      • CJJ 13:00
        17h 25m
        1 stop
        ULN Invalid Date
        Cheongju - Ulaanbaatar | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight Info | Cheongju to Ulaanbaatar

The distance between Cheongju and Ulaanbaatar is approximately 2,096.09 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price2,216 AZN
Cheapest round-trip ticket price4,628 AZN
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance2,096.09 km

When is the cheapest time to fly from Cheongju to Ulaanbaatar?

The cheapest time for Cheongju to Ulaanbaatar flights: Dec 21 to Dec 28 — one way flight prices from 1,663 AZN.

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 Cheongju to Ulaanbaatar, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Cheongju to Ulaanbaatar (CJJ-ULN)?

    Based on Trip.com data, Aero K Airlines offers one-way fares as low as 2,216 AZN on Cheapest nonstop routes (e.g. CJJ to UBN on Sun, Feb 8), while Aero K Airlines offers Cheapest nonstop round-trips from 4,628 AZN departing on Wed, Feb 11 and returning on Sat, Feb 14.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cheongju 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 Cheongju 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 Sun, Feb 8, with one-way flights priced at just 2,216 AZN.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Aero K 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 January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Cheongju to Ulaanbaatar is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Cheongju to Ulaanbaatar on December 14, 2025 with Aero K Airlines, with prices starting at 3,986 AZN.
  • The time difference between Ulaanbaatar and Cheongju 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.

Find Cheap Flights & Deals on Trip.com