ORD - UBN

$663 Find Cheap Flights from Chicago to Ulaanbaatar - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$1,135
Typical prices: $1,310-$1,835
Delta
Fri 11/16Fri 11/23
ORD - UBN • 2 stops
Cheapest one-way
$663
Typical prices: $641-$848
Turkish Airlines
Fri 3/9
ORD - UBN • 1 stop
When to book
18 weeks
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 35% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Istanbul (IST)
Cheapest • Avg $1,349 (round-trip)
Frankfurt am Main (FRA)
Shortest trip • 19h 40m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ulaanbaatar!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chicago to Ulaanbaatar (ORD-UBN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Ulaanbaatar

Mon, Nov 16 - Mon, Nov 23
Delta Logo
6:15 pm - 10:25 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
26h 10m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Delta Logo
12:25 pm - 10:39 amUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
36h 14m2 stops Incheon Intl Detroit Metropolitan Wayne County
$1,135Delta
Wed, Feb 3 - Thu, Feb 11
Delta Logo
11:10 am - 10:25 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
33h 15m1 stop Incheon Intl
Delta Logo
12:25 pm - 11:24 pmUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
24h 59m2 stops Incheon Intl Los Angeles
$1,214Delta
Sun, Nov 29 - Sun, Dec 6
Delta Logo
8:34 pm - 10:25 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
47h 51m2 stops Minneapolis St Paul Incheon Intl
Delta Logo
12:25 pm - 9:56 pmUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
23h 31m2 stops Incheon Intl Salt Lake City
$1,215Delta
Wed, Feb 3 - Thu, Feb 11
Delta Logo
6:00 am - 10:25 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
38h 25m2 stops Seattle/Tacoma Intl Incheon Intl
Delta Logo
12:25 pm - 11:55 pmUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
25h 30m2 stops Incheon Intl Seattle/Tacoma Intl
$1,219Delta
Wed, Feb 3 - Thu, Feb 11
Delta Logo
3:00 pm - 10:25 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
29h 25m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Delta Logo
12:25 pm - 11:55 pmUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
25h 30m2 stops Incheon Intl Seattle/Tacoma Intl
$1,227Delta
Fri, Nov 27 - Mon, Nov 30
Delta Logo
7:30 am - 10:25 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
36h 55m2 stops Salt Lake City Incheon Intl
Delta Logo
12:25 pm - 11:59 pmUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
25h 34m2 stops Incheon Intl Seattle/Tacoma Intl
$1,260Delta
Wed, Feb 3 - Thu, Feb 11
Delta Logo
11:10 am - 10:25 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
33h 15m1 stop Incheon Intl
Delta Logo
12:25 pm - 11:24 pmUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
24h 59m2 stops Incheon Intl Los Angeles
$1,264Delta
Wed, Feb 3 - Thu, Feb 11
Turkish Airlines Logo
11:45 am - 5:30 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
27h 45m1 stop Istanbul
Turkish Airlines Logo
9:15 am - 6:20 pmUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
23h 05m1 stop Istanbul
$1,316Turkish Airlines
Fri, Nov 27 - Mon, Nov 30
MIAT Mongolian Logo
2:10 pm - 5:40 pmORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
37h 30m1 stop Hong Kong Intl
MIAT Mongolian Logo
2:50 pm - 12:30 pmUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
35h 40m1 stop Hong Kong Intl
$1,500MIAT Mongolian
Sun, Dec 13 - Tue, Feb 2
MIAT Mongolian Logo
11:45 am - 7:25 amORD  Chicago O'Hare Intl-UBN Ulaanbaatar Chinggis Khaan
29h 40m1 stop Istanbul
MIAT Mongolian Logo
9:15 am - 10:00 amUBN  Ulaanbaatar Chinggis Khaan-ORD Chicago O'Hare Intl
38h 45m1 stop Istanbul
$1,506MIAT Mongolian
Booking Insights

Price, demand and travel trends for Chicago O'Hare Intl Airport to Ulaanbaatar flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Chicago O'Hare Intl Airport to Ulaanbaatar?

Round-trip flights from Chicago O'Hare Intl Airport to Ulaanbaatar typically range from $1,310 to $1,835. The lowest price found in the past 5 days was $1,135, on Delta.

What's the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Ulaanbaatar?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Ulaanbaatar. It’s 5% cheaper than the average day, while Friday is the most expensive, with prices 9% higher.

What’s the cheapest month to fly from Chicago O'Hare Intl Airport to Ulaanbaatar?

•March is the cheapest month to fly from Chicago O'Hare Intl Airport to Ulaanbaatar at $994 round-trip.
•December ($1,826) and November ($1,786) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 83% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Chicago O'Hare Intl Airport to Ulaanbaatar the cheapest?

Flights from Chicago O'Hare Intl Airport to Ulaanbaatar are cheapest 18 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Chicago O'Hare Intl Airport to Ulaanbaatar flights

Low season

October

Cheapest flight

$663
Beat the crowds with an average 81% drop in travelers.
The most popular month to fly with an average 178% increase in travelers.
One-way flight from Chicago O'Hare Intl Airport to Ulaanbaatar

When to book flights from Chicago to Ulaanbaatar

Are your dates flexible? Find out the best times to travel from Chicago to Ulaanbaatar based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago O'Hare Intl Airport to Ulaanbaatar flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Chicago O'Hare Intl Airport to Ulaanbaatar?

    Only Economy Class is available on flights from Chicago O'Hare Intl Airport to Ulaanbaatar.

  • How long is a flight from Chicago O'Hare Intl Airport to Ulaanbaatar?

    There are currently no nonstop flights available from Chicago O'Hare Intl Airport to Ulaanbaatar. Flights with 1 layover take between 19h 40m and 30h 26m in total, depending on the connection.

  • Do I need a passport to fly from Chicago O'Hare Intl Airport to Ulaanbaatar?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Chicago O'Hare Intl Airport to Ulaanbaatar flight?

    Round-trip flights from Chicago O'Hare Intl Airport to Ulaanbaatar range from $1,310 to $1,835, with an average of $1,522 over the past 12 months. Anything below $1,310 counts as a good deal.

  • How expensive are last-minute Chicago O'Hare Intl Airport to Ulaanbaatar flights?

    Last-minute fares on this route (booked within two weeks of departure) run 16% above the $1,522 route average. Book 18 weeks before departure for the lowest fares.

  • Have flight prices from Chicago O'Hare Intl Airport to Ulaanbaatar changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,135 to $6,355. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Chicago O'Hare Intl Airport to Ulaanbaatar looking right now?

    One-way fares from Chicago O'Hare Intl Airport to Ulaanbaatar are currently in line with typical prices for this route. Average one-way fares are about $714.

  • Which airports can I use when flying from Chicago O'Hare Intl Airport to Ulaanbaatar?

    Flights from Chicago O'Hare Intl Airport to Ulaanbaatar usually depart from Chicago O'Hare Intl (ORD) and arrive at Ulaanbaatar Chinggis Khaan (UBN).

  • Which airports do connecting flights from Chicago O'Hare Intl Airport to Ulaanbaatar pass through?

    One-stop flights from Chicago O'Hare Intl Airport to Ulaanbaatar most commonly connect through:

    • Istanbul (IST) - 70% of one-stop connections
    • Hong Kong Intl (HKG) - 21% of one-stop connections
    • Incheon Intl (ICN) - 7% of one-stop connections
    • Frankfurt am Main (FRA) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Ulaanbaatar?

    Yes. Flexible dates can save you up to 13% on flights from Chicago O'Hare Intl Airport to Ulaanbaatar. Monday is the cheapest departure day at $1,447 round-trip on average, while Friday is the most expensive at $1,663, a difference of $216.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Chicago O'Hare Intl Airport to Ulaanbaatar?

    Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 19h 40m, compared with 24h 28m via Istanbul (IST) and 28h 08m via Incheon Intl (ICN).

  • What is the time difference between Chicago O'Hare Intl Airport and Ulaanbaatar?

    Ulaanbaatar is 14 hours ahead of Chicago O'Hare Intl Airport (Ulaanbaatar Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Chicago O'Hare Intl Airport to Ulaanbaatar flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $1,447, about $216 less than Friday fares (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago O'Hare Intl Airport to Ulaanbaatar trip for March. Fares historically average $994 round-trip in that month - typically $832 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Chicago to Ulaanbaatar

Complete your trip to Ulaanbaatar with a hotel stay or car rental

Car rentals in Ulaanbaatar
Hotels in Ulaanbaatar