Flights to Seoul

£224 Cheap flights to Seoul

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Seoul departing on 2/10. 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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Find the cheapest flights from the United Kingdom to Seoul

Cheap return flights

China Eastern Logo
21:00 - 11:00LHR-GMP
29h 00m1 stop
China Eastern Logo
20:50 - 17:30GMP-LHR
29h 40m1 stop
£334China Eastern
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Wed, 29 Oct - Wed, 26 Nov
China Eastern Logo
21:00 - 11:00LHR-GMP
29h 00m1 stop
China Eastern Logo
20:50 - 17:30GMP-LHR
29h 40m1 stop
£337China Eastern
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Thu, 6 Nov - Mon, 10 Nov
Air China Logo
11:35 - 13:05LGW-GMP
16h 30m1 stop
Air China Logo
14:25 - 05:35GMP-LGW
24h 10m1 stop
£352Air China
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Fri, 5 Dec - Tue, 9 Dec
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
China Southern Logo
13:45 - 17:55GMP-LHR
37h 10m1 stop
£362China Southern
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Fri, 14 Nov - Sun, 23 Nov
Air China Logo
12:35 - 13:05LGW-GMP
16h 30m1 stop
Air China Logo
14:25 - 06:35GMP-LGW
24h 10m1 stop
£364Air China
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Sat, 4 Oct - Wed, 15 Oct
China Southern Logo
21:30 - 12:25LHR-GMP
29h 55m1 stop
China Southern Logo
13:45 - 17:55GMP-LHR
37h 10m1 stop
£364China Southern
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Mon, 10 Nov - Mon, 17 Nov
Lufthansa Logo
06:05 - 10:50BHX-ICN
19h 45m1 stop
Lufthansa Logo
13:05 - 22:45ICN-BHX
18h 40m1 stop
£471Lufthansa
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Fri, 23 Jan - Sat, 28 Feb
Lufthansa Logo
06:00 - 10:50BHX-ICN
19h 50m1 stop
Lufthansa Logo
13:05 - 22:45ICN-BHX
18h 40m1 stop
£483Lufthansa
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Sat, 31 Jan - Sat, 7 Mar
KLM Logo
17:50 - 16:55LCY-ICN
14h 05m1 stop
KLM Logo
23:05 - 07:15ICN-LCY
17h 10m1 stop
£565KLM
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Wed, 26 Nov - Sun, 7 Dec
KLM Logo
17:05 - 16:55LCY-ICN
14h 50m1 stop
KLM Logo
23:05 - 08:50ICN-LCY
18h 45m1 stop
£566KLM
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Wed, 3 Dec - Thu, 11 Dec

momondo Fare Finder

 
Locate flights to Seoul that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 17 September 2025.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

Route

Depart

Return

Price

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Wed 29/10

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Wed 26/11

20:50-17:30

1 stop29h 40m

£334

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 6/11

21:00-11:00

1 stop29h 00m

Seoul Gimpo Intl

Mon 10/11

20:50-17:30

1 stop29h 40m

£337

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Fri 5/12

11:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Tue 9/12

14:25-05:35

1 stop24h 10m

£352

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 14/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Sun 23/11

13:45-17:55

1 stop37h 10m

£362

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Sat 4/10

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Wed 15/10

14:25-06:35

1 stop24h 10m

£364

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Mon 10/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 17/11

13:45-17:55

1 stop37h 10m

£364

BirminghamIncheon

BHX - ICN

BHXICN

Birmingham

Fri 23/1

06:05-10:50

1 stop19h 45m

Incheon Intl

Sat 28/2

13:05-22:45

1 stop18h 40m

£471

BirminghamIncheon

BHX - ICN

BHXICN

Birmingham

Sat 31/1

06:00-10:50

1 stop19h 50m

Incheon Intl

Sat 7/3

13:05-22:45

1 stop18h 40m

£483

LondonIncheon

LCY - ICN

LCYICN

London City

Wed 26/11

17:50-16:55

1 stop14h 05m

Incheon Intl

Sun 7/12

23:05-07:15

1 stop17h 10m

£565

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

£566

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

Seoul flights insights and trends

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

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 £412. If you are unable to visit Seoul during the month of November, then departing from United Kingdom during the month March is also very affordable. Most momondo users find prices during this month for around £457.

What is the absolute cheapest flight to Seoul?

£31 is the cheapest deal found on momondo in the last two weeks for a flight to Seoul. This flight is from Jeju City and is 69% cheaper than most flights to Seoul. To find the cheapest price to Seoul from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:

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 £864. Flights from United Kingdom to Seoul on a Saturday will generally be more expensive and average around £987. 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 £728. Flights in the afternoon are often more expensive, with an average ticket price of £1,004.

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 £678 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 £641 on momondo.

Cheapest flights to Seoul

Find the cheapest flights to Seoul from your nearest city or airport
CHEAPEST MONTH TO FLY TO SEOUL FROM LONDON HEATHROW AIRPORTNovember30% cheaperFlying from London Heathrow Airport to Seoul costs on average just £447 in November
MOST EXPENSIVE MONTH TO FLY TO SEOUL FROM LONDON HEATHROW AIRPORTJuly32% more expensiveIt costs about £838 for flights to Seoul from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO SEOUL FROM LONDON HEATHROW AIRPORTMay243% more users visitedMore 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

£224

Best Round-Trip Price

£334

Fastest flight time

16h 30m

Popular in

August
The best one-way flight price to Seoul from United Kingdom in the last 72 hours is £224 (London Gatwick to Seoul Gimpo Intl).
The best round-trip flight price to Seoul from United Kingdom in the last 72 hours is £334 (London Heathrow to Seoul Gimpo Intl).
The fastest flight to Seoul from United Kingdom takes 16h 30m (London Gatwick to Seoul Gimpo Intl).
August has the highest demand for flights to Seoul, with a 7% price increase on average.

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 30 days prior to their departure date, when tickets on average are £567. 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 £403 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 £99 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?

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.

An easier way to manage your Seoul trip

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Fri 17/10
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