Cheap Flights to Hardin

View ₩252,400 flight on Sat, Jan 10, 2026Opens in a new window

Popular airlines to Hardin

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How much is the cheapest flight to Hardin?

Prices were available within the past 7 days and start at ₩252,400 for one-way flights and ₩391,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jan 1 - Sat, Jan 17
ONT
Ontario
STL
St. Louis
₩391,900 Roundtrip, found 16 hours ago
₩391,900
Roundtrip
found 16 hours ago
Select Delta flight, departing Thu, Jan 1 from Ontario to St. Louis, returning Sat, Jan 17, priced at ₩391,900 found 16 hours ago
Hawaiian Airlines
Thu, Nov 6 - Mon, Nov 17
ONT
Ontario
STL
St. Louis
₩411,100 Roundtrip, found 1 day ago
₩411,100
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, Nov 6 from Ontario to St. Louis, returning Mon, Nov 17, priced at ₩411,100 found 1 day ago
American Airlines
Sat, Dec 13 - Wed, Dec 31
ONT
Ontario
STL
St. Louis
₩528,100 Roundtrip, found 1 day ago
₩528,100
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 13 from Ontario to St. Louis, returning Wed, Dec 31, priced at ₩528,100 found 1 day ago
United
Sun, Feb 1 - Sun, Feb 15
ONT
Ontario
STL
St. Louis
₩615,200 Roundtrip, found 16 hours ago
₩615,200
Roundtrip
found 16 hours ago
Select United flight, departing Sun, Feb 1 from Ontario to St. Louis, returning Sun, Feb 15, priced at ₩615,200 found 16 hours ago
Virgin Atlantic
Mon, Jan 12 - Fri, Jan 16
LHR
London
STL
St. Louis
₩995,600 Roundtrip, found 1 day ago
₩995,600
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Mon, Jan 12 from London to St. Louis, returning Fri, Jan 16, priced at ₩995,600 found 1 day ago

Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)

October is typically the cheapest month to fly

From ₩192,299 - ₩1,277,952 per traveler.

Searching for cheap flights to Hardin? No travel company presents more choices than Expedia if you're looking to compare flights to Hardin. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Illinois. Expedia provides the cheapest flights to many destinations in Illinois and you may find even greater savings if you combine your flight with a hotel stay in Hardin.

Flights to Hardin information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Roundtrip price
₩391,900
*Available to Expedia members.