$798 Cheap flight deals from St. Louis (STL) to Ulaanbaatar (ULN)

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Airfares from $798 One Way, $1,569 Round Trip from St. Louis to Ulaanbaatar

Prices starting at $1,569 for return flights and $798 for one-way flights to Ulaanbaatar were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 27 - Wed, Sep 17
STL
St. Louis
UBN
Ulaanbaatar
$1,569 Roundtrip, found 22 hours ago
$1,569
Roundtrip
found 22 hours ago
Select Korean Air flight, departing Wed, Aug 27 from St. Louis to Ulaanbaatar, returning Wed, Sep 17, priced at $1,569 found 22 hours ago
Wed, Aug 27 - Wed, Sep 17
STL
St. Louis
UBN
Ulaanbaatar
$1,576 Roundtrip, found 22 hours ago
$1,576
Roundtrip
found 22 hours ago
Select Korean Air flight, departing Wed, Aug 27 from St. Louis to Ulaanbaatar, returning Wed, Sep 17, priced at $1,576 found 22 hours ago
Wed, Aug 27 - Wed, Sep 17
STL
St. Louis
UBN
Ulaanbaatar
$1,582 Roundtrip, found 22 hours ago
$1,582
Roundtrip
found 22 hours ago
Select Korean Air flight, departing Wed, Aug 27 from St. Louis to Ulaanbaatar, returning Wed, Sep 17, priced at $1,582 found 22 hours ago
Thu, Aug 28 - Sat, Sep 20
STL
St. Louis
UBN
Ulaanbaatar
$1,599 Roundtrip, found 1 day ago
$1,599
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Aug 28 from St. Louis to Ulaanbaatar, returning Sat, Sep 20, priced at $1,599 found 1 day ago
Thu, Aug 28 - Sat, Sep 20
STL
St. Louis
UBN
Ulaanbaatar
$1,606 Roundtrip, found 1 day ago
$1,606
Roundtrip
found 1 day ago
Select Korean Air flight, departing Thu, Aug 28 from St. Louis to Ulaanbaatar, returning Sat, Sep 20, priced at $1,606 found 1 day ago

More About Flying To Ulaanbaatar from St. Louis

Route Information for Flights from St. Louis to Ulaanbaatar

Origin Airport IATA Code
STL
Destination Airport IATA Code
ULN
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Ulaanbaatar

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Frequently asked questions

What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.