Cheap Flights to Sinmu

View ₩13,800 flight on Thu, Sep 11, 2025Opens in a new window

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How much is the cheapest flight to Sinmu?

Prices were available within the past 7 days and start at ₩13,800 for one-way flights and ₩28,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'way Air with baggage
Wed, Sep 10 - Wed, Sep 10
CJU
Jeju City
GMP
Seoul
₩28,600 Roundtrip, found 10 hours ago
₩28,600
Roundtrip
found 10 hours ago
Select T'way Air with baggage flight, departing Wed, Sep 10 from Jeju City to Seoul, returning Wed, Sep 10, priced at ₩28,600 found 10 hours ago
Jeju Air with Bag
Thu, Sep 11 - Mon, Sep 15
CJU
Jeju City
CJJ
Cheongju
₩32,300 Roundtrip, found 7 hours ago
₩32,300
Roundtrip
found 7 hours ago
Select Jeju Air with Bag flight, departing Thu, Sep 11 from Jeju City to Cheongju, returning Mon, Sep 15, priced at ₩32,300 found 7 hours ago
JIN AIR
Thu, Oct 2 - Sat, Oct 11
CRK
Angeles City
ICN
Seoul
₩128,400 Roundtrip, found 5 days ago
₩128,400
Roundtrip
found 5 days ago
Select JIN AIR flight, departing Thu, Oct 2 from Angeles City to Seoul, returning Sat, Oct 11, priced at ₩128,400 found 5 days ago
T'Way Air
Thu, Oct 2 - Sat, Oct 11
NRT
Tokyo
ICN
Seoul
₩144,400 Roundtrip, found 13 hours ago
₩144,400
Roundtrip
found 13 hours ago
Select T'Way Air flight, departing Thu, Oct 2 from Tokyo to Seoul, returning Sat, Oct 11, priced at ₩144,400 found 13 hours ago
Aero K Airlines
Mon, Mar 23 - Fri, Mar 27
NRT
Tokyo
CJJ
Cheongju
₩159,000 Roundtrip, found 13 hours ago
₩159,000
Roundtrip
found 13 hours ago
Select Aero K Airlines flight, departing Mon, Mar 23 from Tokyo to Cheongju, returning Fri, Mar 27, priced at ₩159,000 found 13 hours ago

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

September is typically the cheapest month to fly

From ₩1,108,228 - ₩2,314,788 per traveler.

Searching for cheap flights to Sinmu? No travel company presents more choices than Expedia if you're looking to compare flights to Sinmu. 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 Sinmu.

Flights to Sinmu information
Destination airport
Gimpo Intl.
Destination airport IATA code
GMP
Destination city name
Seoul
Roundtrip price
₩28,600
*Available to Expedia members.