$566 Cheap flight deals from St. Louis (STL) to Ulaanbaatar (ULN)

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Airfares from $566 One Way, $1,151 Round Trip from St. Louis to Ulaanbaatar

Prices starting at $1,151 for return flights and $566 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, Sep 9 - Wed, Sep 16
STL
St. Louis
UBN
Ulaanbaatar
$1,151 Roundtrip, found 1 day ago
$1,151
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Sep 9 from St. Louis to Ulaanbaatar, returning Wed, Sep 16, priced at $1,151 found 1 day ago
Wed, Sep 9 - Wed, Sep 16
STL
St. Louis
UBN
Ulaanbaatar
$1,164 Roundtrip, found 1 day ago
$1,164
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Sep 9 from St. Louis to Ulaanbaatar, returning Wed, Sep 16, priced at $1,164 found 1 day ago
Sat, Aug 22 - Thu, Sep 3
STL
St. Louis
UBN
Ulaanbaatar
$1,327 Roundtrip, found 5 days ago
$1,327
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Aug 22 from St. Louis to Ulaanbaatar, returning Thu, Sep 3, priced at $1,327 found 5 days ago
Sat, Aug 22 - Thu, Sep 3
STL
St. Louis
UBN
Ulaanbaatar
$1,340 Roundtrip, found 5 days ago
$1,340
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Aug 22 from St. Louis to Ulaanbaatar, returning Thu, Sep 3, priced at $1,340 found 5 days ago
Wed, Sep 9 - Wed, Sep 16
STL
St. Louis
UBN
Ulaanbaatar
$1,349 Roundtrip, found 1 day ago
$1,349
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Sep 9 from St. Louis to Ulaanbaatar, returning Wed, Sep 16, priced at $1,349 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.