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Ulaanbaatar

Cheap flights from O'Hare Intl (ORD) to Ulaanbaatar (UBN)

ORD — UBN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Ulaanbaatar Chinggis Khaan are usually found in March or October, booked 33 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from O'Hare Intl to Ulaanbaatar

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Ulaanbaatar (UBN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Popular in

April

Cheapest in

March

Average price

$1,499
Highest demand for flights based on searches. 7% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Best time to book a flight from O'Hare Intl to Ulaanbaatar

Have a flexible travel schedule? Discover the best time to fly to Ulaanbaatar from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Ulaanbaatar

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Ulaanbaatar?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Ulaanbaatar. Price data was last updated on July 25, 2025.

The price you pay for your flight from Chicago O'Hare Intl Airport to Ulaanbaatar may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Ulaanbaatar?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ulaanbaatar (average of $1,265). Flying from Chicago O'Hare Intl Airport to Ulaanbaatar in December is currently the most expensive (average of $1,697). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to UBN?

Find hourly flight availability from O'Hare Intl to Ulaanbaatar. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to Ulaanbaatar at noon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the evening.

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Ulaanbaatar?

Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Ulaanbaatar chosen by Cheapflights users in the past 12 months, using the same layover each way.

Incheon (ICN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Chicago O'Hare Intl Airport to Ulaanbaatar on Cheapflights.

What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Ulaanbaatar?

Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Ulaanbaatar, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $1,366.

What’s the fastest layover option from Chicago O'Hare Intl Airport to Ulaanbaatar?

Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Ulaanbaatar, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Istanbul (IST) have the shortest average one-way travel time for 1-stop routes: 29h 40m.

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Ulaanbaatar?

Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Ulaanbaatar, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average layover time of 8h 30m.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Ulaanbaatar. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ulaanbaatar from Chicago O'Hare Intl?

    Ulaanbaatar Chinggis Khaan (UBN), located 18.6 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Ulaanbaatar. 4 airlines have flights to Chinggis Khaan from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Ulaanbaatar Chinggis Khaan should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • Can I find deals for flights from O'Hare Intl to Ulaanbaatar that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Ulaanbaatar flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Ulaanbaatar?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Ulaanbaatar.

  • Can I find deals for business class flights from O'Hare Intl to Ulaanbaatar?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Ulaanbaatar by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Ulaanbaatar?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ulaanbaatar (average of $1,265). Flying from Chicago O'Hare Intl Airport to Ulaanbaatar in December is currently the most expensive (average of $1,697). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for O'Hare Intl to Ulaanbaatar

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O'Hare Intl to Ulaanbaatar flights

Top 4 airlines flying from O'Hare Intl to Ulaanbaatar

Discover the top 4 airlines that operate flights from O'Hare Intl to Ulaanbaatar. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,135Average$1,674FlexibilityNo cancel feeOn-time69%
MIAT MongolianCheapest$1,211Average$1,464FlexibilityNo cancel feeOn-time63%
Turkish AirlinesCheapest$1,426Average$1,482FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$1,715Average$1,924FlexibilityNo cancel feeOn-time81%

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