Title: Cheap Flights to Tongsanmi - Expedia.co.uk

![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# £123 Cheap Flights to Tongsanmi

[View £123 flight on Thu, 7 May 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:HND,to:ICN,departure:07/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:122.80&airProductToken=AQo0CjIIy4oBEgM3NTIYpxsgyGgo_KKMAzCXpIwDOFFAAFgBagdFWVNBVkVScghRTFhUMFNBQhIKCAEQARgBKgJLRRgBIgQIARABKAIoBCgGMAE) 

[Hotels in Tongsanmi](https://expedia.co.uk/Tongsanmi-Hotels.d3000732298.Travel-Guide-Hotels)[Tongsanmi Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Tongsanmi.d3000732298.Car-Hire-Guide)[Tongsanmi Holidays](https://expedia.co.uk/Tongsanmi.d3000732298.Holidays-City-Breaks)

## Popular airlines

- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg)  
Korean Air  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Tongsanmi, Hongseong, South Chungcheong, South Korea,departure:11/04/2026TANYT&leg2=from:Tongsanmi, Hongseong, South Chungcheong, South Korea,to:CMH,departure:18/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OZ.svg)  
Asiana Airlines  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Tongsanmi, Hongseong, South Chungcheong, South Korea,departure:11/04/2026TANYT&leg2=from:Tongsanmi, Hongseong, South Chungcheong, South Korea,to:CMH,departure:18/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OZ"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg)  
Cathay Pacific  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Tongsanmi, Hongseong, South Chungcheong, South Korea,departure:11/04/2026TANYT&leg2=from:Tongsanmi, Hongseong, South Chungcheong, South Korea,to:CMH,departure:18/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}])
- ![](https://a.travel-assets.com/air/airlines/u1_sq.svg)  
Jeju Air with Bag  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Tongsanmi, Hongseong, South Chungcheong, South Korea,departure:11/04/2026TANYT&leg2=from:Tongsanmi, Hongseong, South Chungcheong, South Korea,to:CMH,departure:18/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U1"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CA.svg)  
Air China  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Tongsanmi, Hongseong, South Chungcheong, South Korea,departure:11/04/2026TANYT&leg2=from:Tongsanmi, Hongseong, South Chungcheong, South Korea,to:CMH,departure:18/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg)  
Air Canada  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Tongsanmi, Hongseong, South Chungcheong, South Korea,departure:11/04/2026TANYT&leg2=from:Tongsanmi, Hongseong, South Chungcheong, South Korea,to:CMH,departure:18/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BR.svg)  
EVA Airways  
[](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Tongsanmi, Hongseong, South Chungcheong, South Korea,departure:11/04/2026TANYT&leg2=from:Tongsanmi, Hongseong, South Chungcheong, South Korea,to:CMH,departure:18/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BR"}}])

- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg)  
###  
Be in the know  
Get alerts if flight prices drop or rise\*
- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg)  
###  
Book smarter  
Save up to 25% on select hotels after you book a flight\*
- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg)  
###  
Earn twice  
Earn your airline miles on top of our rewards  
[Sign in](https://www.expedia.co.uk/login)

## Cheap round-trip flights to Tongsanmi

Prices were available within the past 7 days and start at £123 for one-way flights and £190 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Return

![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif)

Thu, 20 Aug - Mon, 24 Aug

HND

Tokyo

ICN

Seoul

£190

Return

found 11 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HND,to:ICN,departure:20/08/2026TANYT&leg2=from:ICN,to:HND,departure:24/08/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:189.80&airProductToken=AQo0CjIIy4oBEgM3NTIYpxsgyGgonMCVAzC3wZUDOFRAAFgBagdFWVNBVkVScghUTFhUWkZBQgo0CjIIy4oBEgM3NTEYyGggpxso8vWVAzD-9pUDOFRAAFgBagdFWVNBVkVScghUTFhUWkZBQhIKCAEQARgBKgJLRRgBIgQIARABKAIoBCgGMAE)

![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif)

Thu, 20 Aug - Mon, 24 Aug

HND

Tokyo

ICN

Seoul

£203

Return

found 11 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HND,to:ICN,departure:20/08/2026TANYT&leg2=from:ICN,to:HND,departure:24/08/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:202.60&airProductToken=AQorCikIz7QBEgMxNzcYpxsgyGgo_r-VAzCewZUDOFZAAFgBcghWTFhBSktaMQorCikIz7QBEgMxNzgYyGggpxsomvaVAzCm95UDOFZAAFgBcghWTFhBSktaMRIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE)

![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif)

Sat, 11 Apr - Tue, 14 Apr

HND

Tokyo

GMP

Seoul

£276

Return

found 11 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HND,to:GMP,departure:11/04/2026TANYT&leg2=from:GMP,to:HND,departure:14/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:275.30&airProductToken=AQoyCjAIypgBEgI5MxinGyCGeyjrhIoDMPeFigM4UUAAWAFqBkVDT1NQQ3IIUU5OMzFWQ0gKMgowCMqYARICOTAYhnsgpxsohKOKAzCLpIoDOFFAAFgBagZFQ09TUENyCFFOTjMxVkNIEgoIARABGAEqAkpMGAEiBAgBEAEoAigDKAQwAQ)

![All Nippon Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/NH.gif)

Sun, 31 May - Tue, 2 Jun

HND

Tokyo

GMP

Seoul

£285

Return

found 11 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HND,to:GMP,departure:31/05/2026TANYT&leg2=from:GMP,to:HND,departure:02/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:284.50&airProductToken=AQoyCjAIzpABEgM4NjcYpxsghnsoubmOAzDAuo4DOFNAAFgBagdFQ09WQUwxcgZTWE5DQzEKMgowCM6QARIDODYyGIZ7IKcbKJDKjgMwksuOAzhTQABYAWoHRUNPVkFMMXIGU1hOQ0MxEgoIARABGAEqAk5IGAEiBAgBEAEoAigDKAQwAQ)

![Air China](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CA.GIF)

Tue, 3 Nov - Tue, 10 Nov

HND

Tokyo

ICN

Seoul

£301

Return

found 2 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HND,to:ICN,departure:03/11/2026TANYT&leg2=from:ICN,to:HND,departure:10/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:300.30&airProductToken=AQpmCjEIw4IBEgMxODIYpxsgj1Eo4JGcAzDkk5wDOFNAAFgBagdGTEVYRUNPcgdTTFJDSlA2CjEIw4IBEgMxMjUYj1EgyGgohZ2cAzCHnpwDOFNAAVgBagdGTEVYRUNPcgdTTFJDSlA2CmYKMQjDggESAzEyNBjIaCCPUSj635wDMPLgnAM4U0AAWAFqB0ZMRVhFQ09yB1NMUkNKUDYKMQjDggESAzE4MxiPUSCnGyim4pwDMO7jnAM4U0ABWAFqB0ZMRVhFQ09yB1NMUkNKUDYSCggBEAEYASoCQ0EYASIECAEQASgCKAQoBjAB)

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

### January is typically the cheapest month to fly

From £572 - £1,818 per traveller.

## Book with confidence

# Expedia flights to Tongsanmi

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.

Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast.

Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Tongsanmi for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Tongsanmi flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price.

## Travel information

| Destination airport           | Incheon Intl. |
| ----------------------------- | ------------- |
| Destination airport IATA code | ICN           |
| Destination city name         | Seoul         |
| Return price                  | £423          |

## Trending flights to Tongsanmi

Prices were available within the past 7 days and start at £123 for one-way flights and £190 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Return

![China Eastern Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MU.gif)

Tue, 22 Sept - Fri, 27 Nov

LGW

London

ICN

Seoul

£424

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:ICN,departure:22/09/2026TANYT&leg2=from:ICN,to:LGW,departure:27/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:423.20&airProductToken=AQpgCi4IzaoBEgMyMTQYy7EBIK81KNy-mAMw8MOYAzhaQABYAWoCRVNyCFowUzBKSFNECi4IzaoBEgQ1MDUxGK81IMhoKMTGmAMwwceYAzhCQAFYAWoCRVNyCFowUzBKSFNECmAKLgjNqgESBDUwMzQYyGggrzUo2KCeAzD4oZ4DOEJAAFgBagJFU3IIVDBTMEpIU0QKLgjNqgESAzIxMxivNSDLsQEoi6meAzCIr54DOFRAAVgBagJFU3IIVDBTMEpIU0QSCggBEAEYASoCTVUYASIECAEQASgCKAMoBDAB)

\*Available to Expedia members.