Title: CA $748 Cheap Cathay Pacific fights from Seoul to London - Expedia.ca

![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# CA $748 Cheap Cathay Pacific fights from Seoul (SEL) to London (LON)

[View CA $748 flight on Tue, Dec 23, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:ICN,to:LHR,departure:23/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:747.60&airProductToken=AQptCjQIw7ABEgM0MTcYyGggxzIo_LeAAzD7uYADOFZAAFgBaglFQ09OTElHSFRyCFZSMjFLUkFPCjUIw7ABEgMyNTEYxzIg64kBKMS-gAMwpcWAAzhWQAFYAWoJRUNPTkxJR0hUcghWUjIxS1JBTxIKCAEQARgBKgJDWBgBIgQIARABKAIoAygEMAE) 

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

### Travellers

Adults

ChildrenAges 2 to 17

InfantsYounger than 2

EconomyPremium economyBusiness classFirst class

Leaving from

Going to

Departing

Returning

Add a place to stay

Add a car

Direct flights only

- ![notification illustration](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\*
- ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg)  
###  
Book smarter  
Save up to 30% on select hotels after you book a flight\*
- ![trophy illustration](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.ca/login)

## Cathay Pacific flights from Seoul to London (SEL→LON)

Prices were available within the past 7 days and start at CA $748 for one-way flights and CA $1,174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif)

Wed, Jan 21 - Tue, Jan 27

ICN

Seoul

LHR

London

CA $1,174

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:LHR,departure:21/01/2026TANYT&leg2=from:LHR,to:ICN,departure:27/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1173.20&airProductToken=AQpXCikIw7ABEgM0MTkYyGggxzIo24KDAzDQhIMDOFFAAFgBcghRSzIxS1JBUgoqCMOwARIDMjU1GMcyIOuJASibhYMDMIaMgwM4UUABWAFyCFFLMjFLUkFSClcKKgjDsAESAzI1MhjriQEgxzIotMaDAzCszIMDOFFAAFgBcghRSzIxS1JBUgopCMOwARIDNDEwGMcyIMhoKJDNgwMw586DAzhRQAFYAXIIUUsyMUtSQVISCggBEAEYASoCQ1gYASIECAEQASgCKAMoBDAB)

## Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

[](https://www.expedia.ca/Flights-Search?leg1=from:ICN,to:LHR,departure:03/01/2026TANYT&leg2=from:LHR,to:ICN,departure:03/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE)

LHR

Heathrow

Cheapest

28 min

[Flights from CA $2,634

](https://www.expedia.ca/Flights-Search?leg1=from:ICN,to:LHR,departure:03/01/2026TANYT&leg2=from:LHR,to:ICN,departure:03/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 

__Flight from Seoul to London (ICN - LGW) route information__
| Origin airport      | Incheon Intl.                                                                                                                                                                                                                                                                                                                  |
| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Destination airport | Gatwick                                                                                                                                                                                                                                                                                                                        |
| Airlines serving    | Air China, Air India, Austrian Airlines, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Ethiopian Airlines, Etihad Airways, Finnair, Korean Air, LOT-Polish Airlines, Lufthansa, Malaysia Airlines, Qatar Airways, Saudia, Singapore Airlines, Turkish Airlines, Vietnam Airlines, Virgin Atlantic |
| Popular airline     | Qatar Airways                                                                                                                                                                                                                                                                                                                  |
| Distance            | 8822 km                                                                                                                                                                                                                                                                                                                        |

\*Available to Expedia members.