Flights from Chicago to Ulaanbaatar
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From $786 · Prices update daily
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The quick answer
Flights from Chicago to Ulaanbaatar start around $786 round-trip. Main carrier: Korean Air. Cheapest month to fly: September.
Price calendar — next 60 days
★ Cheapest: $786 on Sun, Sep 13 · KE
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — Chicago to Ulaanbaatar
Month-by-month lowest fares. Green = cheapest dates.
Visa for Ulaanbaatar
Check visa requirements before booking — entry rules vary by passport.
Full Ulaanbaatar visa guide →Stay connected in Ulaanbaatar
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Travel insurance
Protect your Chicago to Ulaanbaatar trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Ulaanbaatar
Pre-book your ride into Ulaanbaatar. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Chicago to Ulaanbaatar flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Chicago to Ulaanbaatar — frequently asked
How much is a flight from Chicago to Ulaanbaatar?+
Fares start around $786 round-trip. Prices update daily across 800+ airlines.
What is the cheapest month to fly Chicago to Ulaanbaatar?+
September typically has the lowest fares.
Are there direct flights from Chicago to Ulaanbaatar?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
Which airlines fly from Chicago to Ulaanbaatar?+
Carriers on this route include Korean Air. Compare them side by side in the search above.
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