Which airlines fly to Seoul?

There may be other airlines that fly to Seoul from United Kingdom, but the most popular among our users are Asiana Airlines, Lufthansa, Air China and Korean Air. These airlines should offer flights to Seoul on a routine basis if you’re flying from one of the more popular airports in United Kingdom.

Korean Air Flights to Seoul

There are 227 Korean Air flights to Seoul in a normal week. The most common departure point is Jeju City and the best Korean Air ticket price seen on momondo is £655 (last 72 hours, from London Heathrow, to Seoul). Korean Air has a score of 8.4 from 1,163 user reviews on momondo.

Asiana Airlines Flights to Seoul

Another popular choice for flights to Seoul is Asiana Airlines (8.2/10, 486 reviews). Most Asiana Airlines flights landing in Seoul will be arriving from Jeju City, but there are 212 Asiana Airlines flights to Seoul from all departure points globally so prices can vary significantly. The best Asiana Airlines deal found on momondo this week was £710 (London Heathrow to Seoul, round-trip).

How long does it take to fly to Seoul?

On average, it takes 12h 20m to fly from United Kingdom to Seoul if you fly out of London Heathrow (the most popular airport in United Kingdom) and into Incheon Intl (the most popular airport in Seoul). If you’re flying out of Manchester and into Incheon Intl, then the flight time is around 14h 30m.

£225 Cheap Flights to Seoul in 2025/26

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Find the cheapest flights from the United Kingdom to Seoul

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Cheap return flights

Enter your travel dates to find the best prices.

21:00 - 11:00LHR-GMP

29h 00m1 stop

20:50 - 17:30GMP-LHR

29h 40m1 stop

£339China Eastern

Find Deal

Sun, 7 Dec - Tue, 16 Dec

21:00 - 11:00LHR-GMP

29h 00m1 stop

20:50 - 17:30GMP-LHR

29h 40m1 stop

£343China Eastern

Find Deal

Wed, 26 Nov - Fri, 5 Dec

12:35 - 13:05LGW-GMP

16h 30m1 stop

14:25 - 06:35GMP-LGW

24h 10m1 stop

£356Air China

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Wed, 6 May - Wed, 27 May

12:35 - 13:05LGW-GMP

16h 30m1 stop

14:25 - 06:35GMP-LGW

24h 10m1 stop

£356Air China

Find Deal

Thu, 7 May - Thu, 21 May

21:30 - 12:25LHR-GMP

29h 55m1 stop

13:30 - 17:55GMP-LHR

37h 25m1 stop

£369China Southern

Find Deal

Sun, 23 Nov - Wed, 3 Dec

21:30 - 12:25LHR-GMP

29h 55m1 stop

13:30 - 17:55GMP-LHR

37h 25m1 stop

£369China Southern

Find Deal

Thu, 27 Nov - Thu, 4 Dec

09:50 - 10:50LCY-ICN

16h 00m1 stop

13:05 - 09:05ICN-LCY

29h 00m1 stop

£486Lufthansa

Find Deal

Mon, 9 Feb - Wed, 25 Feb

09:50 - 10:50LCY-ICN

16h 00m1 stop

13:30 - 09:05ICN-LCY

28h 35m2 stops

£489Lufthansa

Find Deal

Mon, 9 Feb - Wed, 25 Feb

17:05 - 16:55LCY-ICN

14h 50m1 stop

23:05 - 08:50ICN-LCY

18h 45m1 stop

£575KLM

Find Deal

Wed, 3 Dec - Thu, 11 Dec

17:50 - 16:55LCY-ICN

14h 05m1 stop

23:05 - 08:10ICN-LCY

18h 05m1 stop

£576KLM

Find Deal

Wed, 3 Dec - Fri, 12 Dec

Fly from

Route

Depart

Return

Price

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 7/12

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Tue 16/12

20:50-17:30

1 stop29h 40m

£339

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 26/11

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Fri 5/12

20:50-17:30

1 stop29h 40m

£343

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 6/5

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Wed 27/5

14:25-06:35

1 stop24h 10m

£356

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Thu 7/5

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Thu 21/5

14:25-06:35

1 stop24h 10m

£356

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sun 23/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Wed 3/12

13:30-17:55

1 stop37h 25m

£369

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 27/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 4/12

13:30-17:55

1 stop37h 25m

£369

LondonIncheon

LCY - ICN

LCYICN

London City

Mon 9/2

09:50-10:50

1 stop16h 00m

Incheon Intl

Wed 25/2

13:05-09:05

1 stop29h 00m

£486

LondonIncheon

LCY - ICN

LCYICN

London City

Mon 9/2

09:50-10:50

1 stop16h 00m

Incheon Intl

Wed 25/2

13:30-09:05

2 stops28h 35m

£489

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 3/12

17:05-16:55

1 stop14h 50m

Incheon Intl

Thu 11/12

23:05-08:50

1 stop18h 45m

£575

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 3/12

17:50-16:55

1 stop14h 05m

Incheon Intl

Fri 12/12

23:05-08:10

1 stop18h 05m

£576

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Seoul flights insights and trends

Explore insights for your Seoul flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Seoul?

The month of November is, on average, the cheapest month to fly to Seoul from United Kingdom, with most prices found around £440. If you are unable to visit Seoul during the month of November, then departing from United Kingdom during the month May is also very affordable. Most momondo users find prices during this month for around £484.

What is the absolute cheapest flight to Seoul?

£16 is the cheapest deal found on momondo in the last two weeks for a flight to Seoul. This flight is from Busan and is 93% cheaper than most flights to Seoul. To find the cheapest price to Seoul from your area, use momondo’s Airport-to-Airport Pricing Tool.

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What is the cheapest day to depart on your flight to Seoul?

The cheapest day to depart from United Kingdom to Seoul is on a Tuesday when prices can be found for as low as £907. Flights from United Kingdom to Seoul on a Saturday will generally be more expensive and average around £1,038. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Seoul?

Our most recent data shows that the best time of day to fly to Seoul is at midday. Flights from United Kingdom to Seoul during this time can be as low as £754. Flights in the afternoon are often more expensive, with an average ticket price of £1,045.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around £707 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from United Kingdom for as low as £612 on momondo.

Cheapest flights to Seoul

Find the cheapest flights to Seoul from your nearest city or airport

Find flights from London Heathrow Airport to Seoul Gimpo Intl Airport

CHEAPEST MONTH TO FLY TO SEOUL FROM LONDON HEATHROW AIRPORT	November	32% cheaper	Flying from London Heathrow Airport to Seoul costs on average just £452 in November
MOST EXPENSIVE MONTH TO FLY TO SEOUL FROM LONDON HEATHROW AIRPORT	July	30% more expensive	It costs about £863 for flights to Seoul from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO SEOUL FROM LONDON HEATHROW AIRPORT	May	378% more users visited	More momondo users searched in flights to Seoul from London Heathrow Airport in May than any other month

Cheap Seoul flight deals and tips

Summary info about Seoul flight prices, duration and airlines

Best One-Way Price	£225
Best Round-Trip Price	£339
Fastest flight time	14h 45m
Popular in	July

The best one-way flight price to Seoul from United Kingdom in the last 72 hours is £225 (London Gatwick to Seoul Gimpo Intl).

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The best round-trip flight price to Seoul from United Kingdom in the last 72 hours is £339 (London Heathrow to Seoul Gimpo Intl).

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The fastest flight to Seoul from United Kingdom takes 14h 45m (London Heathrow to Incheon Intl).

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July has the highest demand for flights to Seoul, with a 7% price increase on average.

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Frequently asked questions about flying to Seoul

What is there to do in Seoul when it’s raining?

Users planning a flight to Seoul during the months of May, June, or July should anticipate rain. There are still things to do in Seoul even when it's raining, though. While in Seoul you will find Gangnam Cultural Center nearby which is a great museum to visit when you’re looking for things to do indoors. Many tourists kill time during rain and storms by going to shopping centres in the area, like Seoul Express Bus Terminal.

How far in advance should I book a flight to Seoul?

In general, most travellers find the cheapest time to book a flight to Seoul is about 20 days prior to their departure date, when tickets on average are £603. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from United Kingdom for as low as £443 on momondo.

Is there an alternative airport near Seoul?

Those flying to Seoul could potentially find better pricing at Seoul Gimpo Intl Airport (10 mi from Seoul city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Seoul?

You can find deals at Seoul Gimpo Intl Airport for £233 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Myeong-dong?

Yes, you can get a flight to Seoul Gimpo Intl airport in Seoul (10.0 mi from Myeong-dong).

What’s the closest airport to Myeong-dong Subway Station?

The closest airport to Myeong-dong Subway Station is 10.2 mi away - Seoul’s Seoul Gimpo Intl airport.

When did momondo last update prices for flights to Seoul?

Prices for flights to Seoul are refreshed on a daily basis.

How many operators does momondo search for flights to Seoul?

As of November 2025, there are 37 operators available to choose from for flights to Seoul.

How old do you have to be to fly to Seoul?

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 to Seoul.

What documentation or ID do you need to fly to Seoul?

The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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 Seoul.

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

momondo does allow users to show only those flights to Seoul which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Seoul?

momondo provides multiple filters to help you find the best flight to Seoul. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul and alert you when they change.