Cheap flights from Seoul to London Heathrow Airport from £155
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 Heathrow Airport departing on 8/5. 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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China Southern flights from Seoul to London Heathrow Airport
Our best China Southern deals on Seoul to London Heathrow Airport flight tickets
China Eastern flights from Seoul to London Heathrow Airport
Our best China Eastern deals on Seoul to London Heathrow Airport flight tickets
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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?
In general, March is the cheapest month to fly from Seoul to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £459. The month of June is another great option to travel to London Heathrow Airport, with average flight prices from Seoul averaging around £557.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Seoul is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £741. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £849.
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 £519. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £818 on average. Flights to London Heathrow Airport from Seoul in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
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 16 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £643 when searching 16 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 £593 on momondo.
What cabin class options are available on Seoul to London Heathrow flights?
There are 4 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.
What is the cheapest airline that flies from Seoul to London Heathrow?
China Southern, China Eastern, and Air China are the most popular carriers operating from Seoul to London Heathrow
Which airlines fly to London Heathrow Airport?
Asiana Airlines, Korean Air and China Eastern are the top three most popular airlines that fly to London Heathrow Airport from Seoul according to our data. Asiana Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seoul to London Heathrow Airport on average per day?
As of April 2025, there are 3 flights per day flying from Seoul to London Heathrow Airport. The most common time of day flights depart is 10:00, with 66% of flights taking off at midday.
How many flights depart from Seoul to London Heathrow Airport on average per week?
The number of flights available between Seoul and London Heathrow Airport is 21 per week as of April 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from Seoul to London Heathrow Airport
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
How far is Seoul to London Heathrow by plane?
The distance between Seoul and London Heathrow is about 5512.0 mi. By plane, this route typically takes 15h 25m.
When did momondo last update prices for flights from Seoul to London Heathrow Airport?
Prices for flights from Seoul to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Seoul to London Heathrow Airport?
As of April 2025, there are 4 operators available to choose from 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seoul to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seoul to London Heathrow Airport is Boeing 777-300ER (61.94% of total bookings). The next most popular plane models are Airbus A350-900 (37.87%), Embraer 190 (0.13%), and Boeing 747-8 (0.06%).
What is the most popular airline from Seoul to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seoul to London Heathrow Airport is Asiana Airlines (55% of total bookings). The next most popular airline is Air China (45%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom £364 | Free Cancellation | Rating 7.2 143 reviews | |||
| PriceFrom £576 | Free Cancellation | Rating 7.6 1,269 reviews | |||
| PriceFrom £606 | Free Cancellation | Rating 8.2 438 reviews | |||
| PriceFrom £690 | Free Cancellation | Rating 8.4 1,060 reviews |
Korean Air Flights From Seoul to London Heathrow Airport
Korean Air operates around 7 flights from Seoul to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £1,186, but momondo users have found Korean Air deals from Seoul to London Heathrow Airport from as low as £901 round-trip. Korean Air has been scored 8.4/10 in 1,060 reviews.
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 £792, round-trip. It should be noted that an average Asiana Airlines flight deal for this route in this time was higher, at £1,043 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. 438 Asiana Airlines reviews by users on momondo have scored the airline at 8.2/10.
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Why should I use momondo to find a flight deal from Seoul to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to London. momondo saves you time and could save you money on your trip.
Can I find flights from Seoul to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Seoul with this policy.
How can momondo help me find flights from Seoul to London?
Once all potential Seoul to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seoul to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seoul to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.