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Cheap flights from Seoul to London from $279

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to London departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Air China Logo
2:55 pm - 7:40 pmICN-LHR
37h 45m1 stop
Air China Logo
9:35 pm - 12:55 pmLHR-ICN
30h 20m1 stop
$674Air China
Find Deal
Wed, Dec 3 - Tue, Dec 16
Lufthansa Logo
11:40 am - 10:40 pmICN-LHR
19h 00m1 stop
Lufthansa Logo
7:40 am - 11:15 amLHR-ICN
18h 35m1 stop
$678Lufthansa
Find Deal
Mon, Oct 20 - Sun, Oct 26
Malaysia Airlines Logo
11:05 am - 3:25 pmICN-LHR
37h 20m1 stop
Malaysia Airlines Logo
9:25 pm - 6:30 amLHR-ICN
24h 05m1 stop
$682Malaysia Airlines
Find Deal
Thu, Nov 27 - Sat, Nov 29
Malaysia Airlines Logo
11:05 am - 3:25 pmICN-LHR
37h 20m1 stop
Malaysia Airlines Logo
9:25 pm - 6:30 amLHR-ICN
24h 05m1 stop
$684Malaysia Airlines
Find Deal
Thu, Nov 27 - Sat, Nov 29
Lufthansa Logo
1:05 pm - 10:20 pmICN-LHR
18h 15m1 stop
Lufthansa Logo
8:45 am - 11:15 amLHR-ICN
17h 30m1 stop
$687Lufthansa
Find Deal
Mon, Dec 1 - Sun, Dec 7
 Logo
12:55 pm - 6:40 pmICN-LHR
37h 45m1 stop
 Logo
10:40 pm - 11:35 amLHR-ICN
28h 55m1 stop
Thu, Aug 7 - Thu, Aug 28
Air China Logo
2:55 pm - 7:40 pmICN-LHR
37h 45m1 stop
Air China Logo
9:35 pm - 12:55 pmLHR-ICN
30h 20m1 stop
$691Air China
Find Deal
Fri, Nov 21 - Sat, Nov 29
Finnair Logo
11:00 pm - 3:15 pmICN-LHR
25h 15m1 stop
Finnair Logo
4:15 pm - 12:25 pmLHR-ICN
35h 10m1 stop
$696Finnair
Find Deal
Mon, Nov 3 - Mon, Nov 10
Asiana Airlines Logo
12:25 pm - 6:05 pmICN-LHR
14h 40mnonstop
Asiana Airlines Logo
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
$727Asiana Airlines
Find Deal
Sun, Nov 30 - Sun, Dec 14
Asiana Airlines Logo
12:25 pm - 6:05 pmICN-LHR
14h 40mnonstop
Asiana Airlines Logo
8:10 pm - 5:45 pmLHR-ICN
12h 35mnonstop
$728Asiana Airlines
Find Deal
Fri, Nov 21 - Sat, Nov 29

China Southern flights from Seoul to London Heathrow Airport

Our best China Southern deals on Seoul to London Heathrow Airport flight tickets
China Southern
Nov 21
GMP1:45 pmSeoul Gimpo Intl
37h 10m
1 stop
LHR5:55 pmLondon Heathrow
Nov 29
LHR9:30 pmLondon Heathrow
29h 55m
1 stop
GMP12:25 pmSeoul Gimpo Intl
China Southern
Nov 20
ICN10:55 amIncheon Intl
40h 20m
1 stop
LHR6:15 pmLondon Heathrow
Nov 30
LHR9:30 pmLondon Heathrow
15h 55m
1 stop
ICN10:25 pmIncheon Intl
China Southern
Nov 23
GMP1:45 pmSeoul Gimpo Intl
37h 10m
1 stop
LHR5:55 pmLondon Heathrow
Nov 28
LHR9:30 pmLondon Heathrow
29h 55m
1 stop
GMP12:25 pmSeoul Gimpo Intl

EVA Air flights from Seoul to London Heathrow Airport

Our best EVA Air deals on Seoul to London Heathrow Airport flight tickets
EVA Air
Jul 15
ICN7:45 pmIncheon Intl
31h 35m
2 stops
LHR7:20 pmLondon Heathrow
Aug 14
LHR9:35 pmLondon Heathrow
37h 10m
2 stops
ICN6:45 pmIncheon Intl
EVA Air
Jul 23
ICN7:45 pmIncheon Intl
31h 35m
2 stops
LHR7:20 pmLondon Heathrow
Aug 13
LHR9:35 pmLondon Heathrow
29h 25m
2 stops
ICN11:00 amIncheon Intl
EVA Air
Jul 15
ICN12:00 pmIncheon Intl
39h 20m
2 stops
LHR7:20 pmLondon Heathrow
Aug 13
LHR9:35 pmLondon Heathrow
29h 25m
2 stops
ICN11:00 amIncheon Intl

See travel insights to London from

How to get the cheapest flight ticket from Seoul to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seoul and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of March is, on average, the cheapest month to fly to London Heathrow Airport from Seoul, with most prices found around $619. If you’re not able to fly to London Heathrow Airport in March, then December is your next best option. Flight prices from Seoul to London Heathrow Airport during December average around $764.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $972. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,121.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Seoul to London Heathrow Airport in the evening for as low as $977. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,050.

What is the cheapest Seoul to London Heathrow flight route?

Fly from Incheon Intl to London Heathrow for the best Seoul - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $850 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Seoul for as low as $767 on momondo.

What cabin class options are available on Seoul to London Heathrow flights?

There are 2 cabin classes available to choose from on Seoul to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seoul to London Heathrow Airport flight prices changed over time?

As of July 2025, prices for Seoul to London Heathrow Airport flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seoul to London Heathrow Airport (SEL to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to London Heathrow Airport

Best Price Found

$279

Fastest flight time

14h 05m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Seoul in the past 72 hours is $279. The best round-trip flight deal from Seoul to London Heathrow Airport found on momondo in the last 72 hours is $674.
The fastest flight from Seoul to London Heathrow Airport takes 14h 05m
Direct flights go from Seoul to London Heathrow Airport every day.

  • How far is Seoul to London Heathrow by plane?

    A flight from Seoul to London Heathrow will travel around 5512.0 mi. In terms of flight time, this usually takes a little over 14h 05m.

  • When did momondo last update prices for flights from Seoul to London Heathrow Airport?

    Prices for flights from Seoul to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Seoul to London Heathrow Airport?

  • How old do you have to be to fly from Seoul to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Seoul to London Heathrow Airport?

  • What is the most popular airline from Seoul to London Heathrow Airport?


Best airlines flying from Seoul to London Heathrow Airport

Compare and see reviews for airlines that fly from Seoul to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $550Free CancellationRating
7.2
89 reviews
Search Air China flights
Etihad AirwaysPriceFrom $672Free CancellationRating
7.4
1,222 reviews
Search Etihad Airways flights
LufthansaPriceFrom $682Free CancellationRating
6.8
7,197 reviews
Search Lufthansa flights
Asiana AirlinesPriceFrom $822Free CancellationRating
8.2
454 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $847Free CancellationRating
8.4
1,105 reviews
Search Korean Air flights
  • Korean Air Flights From Seoul to London Heathrow Airport

    The lowest priced Korean Air flight from Seoul to London Heathrow Airport from the last 72 hours was $847. Generally, Korean Air has 7 flights on this route every week with an average price of $1,216. Korean Air is rated 8.4/10 by our users.

  • Asiana Airlines Flights From Seoul to London Heathrow Airport

    The best Asiana Airlines deal for Seoul to London Heathrow Airport flight tickets found on momondo in the last 72 hours was $822, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at $975 round-trip. Asiana Airlines operates 7 flights out of Seoul into London Heathrow Airport in an average week, so prices vary by time and availability. 454 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Gatwick
Croydon
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Slough
Dover
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Stansted
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Ilford
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Stratford-upon-Avon
Chelmsford
Canterbury
Watford
Richmond

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Seoul.

Can I find flights from Seoul to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to London.

I’m not ready to book a flight from Seoul to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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1 adult
Mon 7/14
Mon 7/21

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