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Cheap flights from London, ON to Seoul from C$ 1,646

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SEL
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 October 2025.

Round-trip from

C$ 1,646
Air Canada
  • Air Canada
  • 9/2-11/2
  • 4 total stops
  • 50h 46m total
  • London to Seoul
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Enter your travel dates to find the best prices.

Cheapest flights from London to Seoul
Explore the most affordable flight options available from London to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.

Thu 30/105:40 p.m.YXU - ICN
2 stops33h 30mAir Canada
Wed 26/116:55 p.m.ICN - YXU
2 stops27h 51mAir Canada
Deal found 26/10C$ 2,421

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
Use the filters below to find and compare flights from London to Seoul that are best for you.

Fly from

London

Fly to

Seoul

Route

Depart

Return

Price

LondonIncheon

YXU - ICN

YXUICN

London

Mon 9/2

5:15 a.m.-5:10 p.m.

2 stops21h 55m

Incheon Intl

Wed 11/2

5:55 p.m.-8:46 a.m.

2 stops28h 51m

C$ 1,646

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Best time to book a flight from London to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Seoul

What is the cheapest month to book a flight from London, Ontario to Seoul?

Currently, October is the cheapest month in which you can book a flight from London, Ontario to Seoul (average of C$ 922). Flying from London, Ontario to Seoul in December is currently the most expensive (average of C$ 1,683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 28 October 2025.
Read reviews from past customers who have flown WestJet from London to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,148 reviews
Check prices

Entertainment

6.1

Overall

7.2

Comfort

7.1

Boarding

7.4

Crew

7.9

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

YYJ - YVR

everything was good except we were so delayed we had to sleep on the floor in the vancouver airport … we were stranded there for 12 hours, no vouchers, no compensation, just a cold floor and we arrived at our final destination the following afternoon
WestJet
7.2
Good
3,148 reviews
WestJet
7.2
Good
3,148 reviews
Check prices

Entertainment

6.1

Overall

7.2

Comfort

7.1

Boarding

7.4

Crew

7.9

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

YYJ - YVR

everything was good except we were so delayed we had to sleep on the floor in the vancouver airport … we were stranded there for 12 hours, no vouchers, no compensation, just a cold floor and we arrived at our final destination the following afternoon

Related info for your journey

Find useful and relevant information for your journey from London to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from London to Seoul?

    London (YXU) is the airport you will fly out of if you book a flight from London to Seoul. You should not have trouble finding flights to Seoul from London; the airport handles an average of 0 outbound flights to Seoul per day. You should also have plenty of airline options to choose from since 1 airline has flights from the London airport to Seoul. It is only a 8.6 km journey to London (YXU) from London’s city centre.

  • How long is the flight from London, Ontario to Seoul?

    A quick flight from London, Ontario to Seoul can take about 21h 55m. Air Canada provides one of the quickest options available for as low as C$ 1,646. Airlines will cover a distance of 10635 km.

  • What is the cheapest airline to fly from London, Ontario to Seoul round-trip?

    Flying on WestJet is currently your cheapest option to Seoul, with prices starting at C$ 1,168.

  • Can I find deals for flights from London to Seoul that include hotel bookings?

    Yes. In addition to deals on London to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Seoul.

  • Can I find deals for business class flights from London to Seoul?

    Yes. Cheapflights offers flight deals from London to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London, Ontario to Seoul?

    Currently, October is the cheapest month in which you can book a flight from London, Ontario to Seoul (average of C$ 922). Flying from London, Ontario to Seoul in December is currently the most expensive (average of C$ 1,683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from London to Seoul

Discover the top airline that operate flights from London to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 1,168AverageC$ 1,355FlexibilityNo cancel feeOn-time60%
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How does Cheapflights help users find flights from London to Seoul?

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Can Cheapflights notify me if prices for flights from London to Seoul become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seoul from London today and book when prices fit your budget.

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