Cheap Flights to Tongsanmi

View ₩18,500 flight on Tue, Dec 16, 2025Opens in a new window

Popular airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Flights to Tongsanmi information
Destination airport
Incheon Intl.
Destination airport IATA code
ICN
Destination city name
Seoul
Roundtrip price
₩133,931

Trending flights to Tongsanmi

Prices were available within the past 7 days and start at ₩18,500 for one-way flights and ₩37,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air with Bag
Tue, Mar 10 - Tue, Mar 17
CJU
Jeju City
CJJ
Cheongju
₩37,000 Roundtrip, found 8 hours ago
₩37,000
Roundtrip
found 8 hours ago
Select Jeju Air with Bag flight, departing Tue, Mar 10 from Jeju City to Cheongju, returning Tue, Mar 17, priced at ₩37,000 found 8 hours ago
*Available to Expedia members.