$24,266 Find Cheap Flights from St. Louis to Mongolia - 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.

Flight Deals
Booking Insights
Flight Deals

Book Cheap St. Louis to Mongolia Plane Tickets

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

Recent round-trip flight deals from St. Louis to Mongolia

Mon, Nov 16 - Mon, Nov 23
Delta Logo
7:13 am - 10:25 amSTL  Lambert-St Louis-UBN Ulaanbaatar Chinggis Khaan
37h 12m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Delta Logo
12:25 pm - 11:15 amUBN  Ulaanbaatar Chinggis Khaan-STL Lambert-St Louis
36h 50m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$24,266Delta
Booking Insights

Price, demand and travel trends for St. Louis to Mongolia flights

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

What are the cheapest fares from St. Louis to Mongolia right now?

The cheapest fare from St. Louis to Mongolia in the last week was $24,266 round-trip, to Ulaanbaatar Chinggis Khaan (UBN).

Which airport in Mongolia is the cheapest to fly to from St. Louis?

All flights from St. Louis to Mongolia arrive at Ulaanbaatar Chinggis Khaan (UBN). On average, round-trip fares are around $2,543.

What's the cheapest time of day to fly from St. Louis to Mongolia?

Data from the past 12 months shows it's cheapest to fly to Mongolia during the morning with average prices of $2,372. The evening is the most expensive time to fly, with average prices of $2,543.

Find deals

Key details for St. Louis to Mongolia flights

Cheapest flight

$24,266
Round-trip flight from St. Louis to Ulaanbaatar

Your St. Louis to Mongolia flight questions, answered

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

  • Is now a good time to book a flight from St. Louis to Mongolia?

    Fares from St. Louis to Mongolia are above average right now, but good deals can still pop up. A round-trip fare under $1,877 is considered a good deal, so keep an eye on prices. You can also set a Price Alert and KAYAK will monitor flights for you.

  • Which cabin classes are available on flights from St. Louis to Mongolia?

    On flights from St. Louis to Mongolia you can only book Economy Class.

Your guide to booking St. Louis to Mongolia flights

Get tips on when to book, when to fly and what to know before your trip.
  • Flying on Friday is usually the cheapest. Flights on Saturday cost about 37% more on average, so being flexible with your travel dates could help you save.
  • Start your trip in Ulaanbaatar, which is the most popular destination in Mongolia. From there, it's easy to continue on to other popular destinations such as Dalanzadgad, Erdenet and Olgii.

More options for your flight from St. Louis to Mongolia

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

Car rentals in Mongolia
Hotels in Mongolia
Vacations in Mongolia