
Popular airlines to Frontenac
- Delta
Delta
- United
United
- American Airlines
American Airlines
- Air Canada
Air Canada
- Japan Airlines
Japan Airlines
- Korean Air
Korean Air
- Lufthansa
Lufthansa
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How much is the cheapest flight to Frontenac?
Prices were available within the past 7 days and start at ₩103,900 for one-way flights and ₩208,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.





Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)
August is typically the cheapest month to fly
Graph displaying average flight prices per month
Searching for cheap flights to Frontenac? No travel company presents more choices than Expedia if you're looking to compare flights to Frontenac. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to St. Louis. Expedia provides the cheapest flights to many destinations in St. Louis and you may find even greater savings if you combine your flight with a hotel stay in Frontenac.
Destination airport | Lambert-St. Louis Intl. |
Destination airport IATA code | STL |
Destination city name | St. Louis |
Roundtrip price | ₩208,800 |
Get up to 100% off your flight to Frontenac when booking a Flight + Hotel
Trending flights to Frontenac
Prices were available within the past 7 days and start at ₩103,900 for one-way flights and ₩208,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Top Flight Destinations
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From Other Airports to Frontenac
- Chicago to St. Louis (ORD - STL)
- Newark Liberty Intl. Airport to St. Louis (EWR - STL)
- Los Angeles to St. Louis (LAX - STL)
- Seoul to St. Louis (ICN - STL)
- New York to St. Louis (LGA - STL)
- San Francisco to St. Louis (SFO - STL)
- New York to St. Louis (JFK - STL)
- Busan to St. Louis (PUS - STL)
- Las Vegas to St. Louis (LAS - STL)