Cheap Flights to Osongjong

View ₩15,700 flight on Wed, Oct 22, 2025Opens in a new window

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How much is the cheapest flight to Osongjong?

Prices were available within the past 7 days and start at ₩15,700 for one-way flights and ₩30,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Thu, Oct 30 - Mon, Nov 3
CJU
Jeju City
CJJ
Cheongju
₩42,200 Roundtrip, found 13 hours ago
₩42,200
Roundtrip
found 13 hours ago
Select Jeju Air with Bag flight, departing Thu, Oct 30 from Jeju City to Cheongju, returning Mon, Nov 3, priced at ₩42,200 found 13 hours ago
Aero K Airlines
Tue, Oct 21 - Sat, Oct 25
CJU
Jeju City
CJJ
Cheongju
₩63,000 Roundtrip, found 19 hours ago
₩63,000
Roundtrip
found 19 hours ago
Select Aero K Airlines flight, departing Tue, Oct 21 from Jeju City to Cheongju, returning Sat, Oct 25, priced at ₩63,000 found 19 hours ago
Korean Air
Wed, Oct 29 - Sun, Nov 2
CJU
Jeju City
GMP
Seoul
₩74,868 Roundtrip, just found
₩74,868
Roundtrip
just found
Select Korean Air flight, departing Wed, Oct 29 from Jeju City to Seoul, returning Sun, Nov 2, priced at ₩74,868 just found
Peach
Wed, Nov 26 - Sun, Nov 30
KIX
Osaka
ICN
Seoul
₩164,353 Roundtrip, found 2 days ago
₩164,353
Roundtrip
found 2 days ago
Select Peach flight, departing Wed, Nov 26 from Osaka to Seoul, returning Sun, Nov 30, priced at ₩164,353 found 2 days ago
Eastar Jet
Wed, Nov 19 - Tue, Dec 2
KIX
Osaka
ICN
Seoul
₩188,300 Roundtrip, found 2 days ago
₩188,300
Roundtrip
found 2 days ago
Select Eastar Jet flight, departing Wed, Nov 19 from Osaka to Seoul, returning Tue, Dec 2, priced at ₩188,300 found 2 days ago

Find the cheapest month to fly from Columbus (CMH) to Seoul (ICN)

September is typically the cheapest month to fly

From ₩1,100,930 - ₩1,853,164 per traveler.

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

Flights to Osongjong information
Destination airport
Cheongju Intl.
Destination airport IATA code
CJJ
Destination city name
Cheongju
Roundtrip price
₩150,300

Trending flights to Osongjong

Prices were available within the past 7 days and start at ₩15,700 for one-way flights and ₩30,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'way Air with baggage
Thu, Oct 16 - Thu, Oct 16
CJU
Jeju City
GMP
Seoul
₩30,100 Roundtrip, just found
₩30,100
Roundtrip
just found
Select T'way Air with baggage flight, departing Thu, Oct 16 from Jeju City to Seoul, returning Thu, Oct 16, priced at ₩30,100 just found
*Available to Expedia members.