- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 45% on select hotels after you book a flight*
Plan, book, fly with confidence
How much is the cheapest flight to Seosan?
Prices were available within the past 7 days and start at NT$2,093 for one-way flights and NT$4,033 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, Jun 26 - Thu, Jun 27
KIX
Kansai Intl.
ICN
Incheon Intl.
NT$4,033 Roundtrip, found 4 days ago
NT$4,033
Roundtrip
found 4 days ago
Mon, Jun 17 - Thu, Jun 20
HKG
Hong Kong Intl.
ICN
Incheon Intl.
NT$5,313 Roundtrip, found 6 days ago
NT$5,313
Roundtrip
found 6 days ago
Wed, Jun 12 - Fri, Jun 14
TPE
Taoyuan Intl.
ICN
Incheon Intl.
NT$5,447 Roundtrip, just found
NT$5,447
Roundtrip
just found
Wed, Jun 19 - Sat, Jun 29
NRT
Narita Intl.
ICN
Incheon Intl.
NT$5,646 Roundtrip, found 8 hours ago
NT$5,646
Roundtrip
found 8 hours ago
Thu, Jun 13 - Mon, Jun 17
KHH
Kaohsiung Intl.
ICN
Incheon Intl.
NT$5,660 Roundtrip, found 22 hours ago
NT$5,660
Roundtrip
found 22 hours ago
Frequently asked questions
Destination airport | Incheon Intl. |
Destination airport IATA code | ICN |
Destination city name | Seoul |
Roundtrip price | NT$4,033 |
Get up to 100% off your flight to Seosan when booking a Flight + Hotel
Heading to Seosan? Explore Seosan with Expedia's Travel Guides to find the best hotels, vacation packages, car rental deals and more!
Trending flights to Seosan
Prices were available within the past 7 days and start at NT$2,093 for one-way flights and NT$4,033 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, Jun 12 - Fri, Jun 14
TPE
Taoyuan Intl.
ICN
Incheon Intl.
NT$5,447 Roundtrip, just found
NT$5,447
Roundtrip
just found
- Top Flights Destinations
- From Other Airports to Seosan
- Flights to Cities Near Seosan
- More Popular Airlines
Top Flight Destinations
Top Flight Destinations In the World
- Flights to Taiwan
- Flights to Japan
- Flights to United States of America
- Flights to Philippines
- Flights to Thailand
- Flights to South Korea
- Flights to Australia
- Flights to Malaysia
- Flights to China
- Flights to New Zealand
- Flights to Canada
- Flights to South Africa
- Flights to Vietnam
- Flights to Germany
- Flights to United Kingdom
- Flights to Spain
- Flights to Italy
- Flights to France
- Flights to Türkiye
- Flights to Russia
Flights to Cities Near Seosan
*Available to Expedia members.