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Flights from Chicago to Ulaanbaatar

What to know about flights from Chicago to Ulaanbaatar?

The distance between Chicago and Ulaanbaatar is approximately 9,938.84 km. Based on Trip.com's data, travel demand peaks in July. The cheapest month to book is September.

Cheapest one-way
$620
Korean Air Korean Air CHI-ULN 33h 10m · 1 stop Mon, Nov 16
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Cheapest round-trip
$1,065
Turkish Airlines Turkish Airlines CHI-ULN 30h 55m · 2 stops Tue, Oct 20 - Tue, Oct 27
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Recommended airlines
Korean Air Korean Air Cheapest · From $620 Miat Mongolian Airlines Miat Mongolian Airlines Most booked
When to travel
April
Cheapest
July
Peak season for travel
Route details
9,938.84 km
Flight distance

Explore the cheapest one-way and round-trip flights from Chicago to Ulaanbaatar over the next 90 days, with one-way fares from $620 and round-trip from $1,065. Based on Trip.com's latest 7-day flight data.

      • ORD 11:25 AM
        30h 55m
        1 stop
        UBN 7:20 AM
        Chicago - Ulaanbaatar | Tue, Oct 20 | Turkish Airlines
        UBN 9:15 AM
        38h 45m
        1 stop
        ORD 11:00 AM
        Ulaanbaatar - Chicago | Tue, Oct 27 | Turkish Airlines
        $1,065 $1,558
        32% off
        32% off
        $1,558 $1,065
      • ORD 11:45 AM
        29h 40m
        1 stop
        UBN 7:25 AM
        Chicago - Ulaanbaatar | Thu, Nov 12 | Turkish Airlines
        UBN 9:15 AM
        38h 45m
        1 stop
        ORD 10:00 AM
        Ulaanbaatar - Chicago | Thu, Nov 19 | Turkish Airlines
        $1,083 $1,558
        30% off
        30% off
        $1,558 $1,083
      • ORD 11:10 AM
        33h 15m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Wed, Nov 11 | Korean Air
        UBN 12:25 PM
        34h 5m
        1 stop
        ORD 8:30 AM
        Ulaanbaatar - Chicago | Wed, Nov 18 | Korean Air
        $1,123 $1,558
        28% off
        28% off
        $1,558 $1,123
      • ORD 12:10 PM
        33h 15m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Wed, Oct 28 | Korean Air
        UBN 12:25 PM
        34h 5m
        1 stop
        ORD 8:30 AM
        Ulaanbaatar - Chicago | Wed, Nov 4 | Korean Air
        $1,261
        19% off
        $1,558 $1,261
      • ORD 12:10 PM
        33h 15m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Wed, Oct 28 | Delta Air Lines
        UBN 12:25 PM
        34h 5m
        1 stop
        ORD 8:30 AM
        Ulaanbaatar - Chicago | Wed, Nov 4 | Korean Air
        $1,356
        13% off
        $1,558 $1,356
      • ORD 4:15 PM
        35h 50m
        1 stop
        UBN 5:05 PM
        Chicago - Ulaanbaatar | Fri, Oct 23 | Miat Mongolian Airlines
        UBN 2:50 PM
        35h 40m
        1 stop
        ORD 1:30 PM
        Ulaanbaatar - Chicago | Wed, Oct 28 | Miat Mongolian Airlines
        $1,368
        12% off
        $1,558 $1,368
      • ORD 4:15 PM
        35h 30m
        1 stop
        UBN 4:45 PM
        Chicago - Ulaanbaatar | Wed, Oct 21 | Miat Mongolian Airlines
        UBN 2:50 PM
        35h 40m
        1 stop
        ORD 1:30 PM
        Ulaanbaatar - Chicago | Wed, Oct 28 | Miat Mongolian Airlines
        $1,378
        12% off
        $1,558 $1,378
      • ORD 2:10 PM
        37h 30m
        1 stop
        UBN 5:40 PM
        Chicago - Ulaanbaatar | Wed, Nov 11 | Miat Mongolian Airlines
        UBN 2:50 PM
        35h 40m
        1 stop
        ORD 12:30 PM
        Ulaanbaatar - Chicago | Wed, Nov 18 | Miat Mongolian Airlines
        $1,406
        10% off
        $1,558 $1,406
      • ORD 4:15 PM
        43h 55m
        1 stop
        UBN 1:10 AM
        Chicago - Ulaanbaatar | Sat, Oct 24 | Miat Mongolian Airlines
        UBN 2:50 PM
        35h 40m
        1 stop
        ORD 1:30 PM
        Ulaanbaatar - Chicago | Wed, Oct 28 | Miat Mongolian Airlines
        $1,417
        9% off
        $1,558 $1,417
      • ORD 4:15 PM
        35h 30m
        1 stop
        UBN 4:45 PM
        Chicago - Ulaanbaatar | Tue, Oct 20 | Miat Mongolian Airlines
        UBN 9:15 AM
        23h 5m
        1 stop
        ORD 7:20 PM
        Ulaanbaatar - Chicago | Tue, Oct 27 | Turkish Airlines
        $1,417
        9% off
        $1,558 $1,417
      • CHI 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Chicago - Ulaanbaatar | Wed, Oct 14 | Normal Airline
        ULN 3:00 PM
        6h
        Nonstop
        CHI 4:00 PM
        Ulaanbaatar - Chicago | Fri, Oct 16 | Normal Airline
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      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Mon, Nov 16 | Korean Air
        $620 $1,152
        46% off
        46% off
        $1,152 $620
      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Wed, Nov 4 | Korean Air
        $620 $1,152
        46% off
        46% off
        $1,152 $620
      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Mon, Nov 9 | Korean Air
        $620 $1,152
        46% off
        46% off
        $1,152 $620
      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Tue, Nov 10 | Korean Air
        $620
        46% off
        $1,152 $620
      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Thu, Nov 12 | Korean Air
        $620
        46% off
        $1,152 $620
      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Tue, Nov 17 | Korean Air
        $620
        46% off
        $1,152 $620
      • ORD 11:10 AM
        33h 15m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Wed, Nov 25 | Korean Air
        $674
        41% off
        $1,152 $674
      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Wed, Nov 11 | Korean Air
        $674
        41% off
        $1,152 $674
      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Tue, Nov 3 | Korean Air
        $690
        40% off
        $1,152 $690
      • ORD 11:15 AM
        33h 10m
        1 stop
        UBN 10:25 AM
        Chicago - Ulaanbaatar | Mon, Nov 2 | Korean Air
        $1,048
        9% off
        $1,152 $1,048
      • CHI 1:00 PM
        17h 25m
        1 stop
        ULN 2:00 PM
        Chicago - Ulaanbaatar | Wed, Oct 14 | Normal Airline
        Find more flights
        Find more flights

Which airlines are the most popular for Chicago to Ulaanbaatar flights?

The most popular airlines flying from Chicago to Ulaanbaatar are Miat Mongolian Airlines, Korean Air, and Turkish Airlines, among 6 carriers on this route. Korean Air offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Miat Mongolian Airlines logo Miat Mongolian Airlines
Korean Air logo Korean Air
Turkish Airlines logo Turkish Airlines
Alaska Airlines logo Alaska Airlines
American Airlines logo American Airlines
All Nippon Airways logo All Nippon Airways
Airlines are determined based on actual purchased flight tickets from Chicago to Ulaanbaatar according to previous 12 months data from Trip.com.

Trip.com price insights on flights from Chicago to Ulaanbaatar

Which month has the cheapest one-way flights from Chicago to Ulaanbaatar?

The average price of one-way flights from Chicago to Ulaanbaatar purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Chicago to Ulaanbaatar is April, with an average price of $582; while the month with the highest flight price is usually March, with an average price of up to $963.

$963
$773
$582
$392
    Cheapest
  • $787
    Oct
  • $657
    Nov
  • $824
    Dec
  • $713
    Jan
  • $662
    Feb
  • $963
    Mar
  • $582
    Apr
  • $918
    May
  • $929
    Jun
  • $942
    Jul
  • $593
    Aug
  • $687
    Sep

When is the cheapest day to fly from Chicago to Ulaanbaatar during Veterans Day?

Data is based on the lowest one-way price from Chicago to Ulaanbaatar during Veterans Day on Trip.com in the past 3 days.

Veterans Day is scheduled for Nov 11. The cheapest flights from Chicago to Ulaanbaatar are available on Nov 9, with fares starting at $620.

$690
$655
$620
$585
  • $690
    8
    Nov
  • $620
    9
  • $620
    10
  • $620
    11
  • $620
    12
  • $682
    13

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Ulaanbaatar (CHI-ULN)?

    Based on Trip.com data, Korean Air offers one-way fares as low as $620 on Cheapest nonstop routes (e.g. ORD to UBN on Mon, Nov 16), while Turkish Airlines offers Cheapest nonstop round-trips from $1,065 departing on Tue, Oct 20 and returning on Tue, Oct 27.
  • At the moment, you can catch a nonstop flight from Chicago to Ulaanbaatar with the following airlines, including: Alaska Airlines All Nippon Airways American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago 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 Chicago 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 Mon, Nov 16, with one-way flights priced at just $620.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Korean 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 July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Ulaanbaatar is September, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Chicago to Ulaanbaatar on October 28, 2026 with Korean Air, with prices starting at $891.
  • You can arrive at any of the following airports in Ulaanbaatar: Buyant Ukhaa International Airport (ULN), and Chinggis Khaan International Airport (UBN). Flights from O'Hare International Airport to Chinggis Khaan International Airport (ORD-UBN) are by far the most popular option for this route.
  • The time difference between Ulaanbaatar and Chicago is 14h.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Chicago to Ulaanbaatar is $2,645. Fares vary by travel date, airline and availability.
  • Enter Chicago and Ulaanbaatar, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.