£266+ Cheap flights to Seoul

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SEL
23 Aug — 30 Aug1
1 adult

Flights to Seoul in 2025

Find the latest flights to Seoul in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 18 August 2025.

Return from

£417

One-way from

£266

Popular in

July

Cheapest in

November

Average price

£795

Good round-trip deal

£848 or less

Good one-way deal

£580 or less
China Southern
  • China Southern
  • 4/11-12/11
  • 2 total stops
  • 67h 05m total
  • London to Seoul
Air China
  • Air China
  • 1/9
  • 1 total stop
  • 16h 30m total
  • London to Seoul
Highest demand for flights based on searches. 18% potential increase in price (£94 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for return flights in August 2025
Price to beat on a round-trip flight from London to Seoul.
Price to beat on a one-way flight from London to Seoul.

Find flight deals to Seoul

Cheapest flights to Seoul
Explore the most affordable flight options available to Seoul. Find the lowest fares based on data from user searches, with prices last updated on 18 August 2025.

Tue 4/1121:30LHR - GMP
1 stop29h 55mChina Southern
Wed 12/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 16/8£417
Tue 28/1021:30LHR - GMP
1 stop29h 55mChina Southern
Thu 27/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 16/8£418
Sat 4/1021:00LHR - GMP
1 stop31h 25mChina Southern
Sat 11/1013:30GMP - LHR
1 stop36h 35mChina Southern
Deal found 17/8£419
Tue 4/1121:30LHR - GMP
1 stop29h 55mChina Southern
Sat 15/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 17/8£420
Thu 6/1121:30LHR - GMP
1 stop29h 55mChina Southern
Fri 28/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 17/8£421
Sat 4/1021:00LHR - GMP
1 stop31h 25mChina Southern
Wed 22/1013:30GMP - LHR
1 stop36h 35mChina Southern
Deal found 17/8£422
Sat 4/1021:00LHR - GMP
1 stop31h 25mChina Southern
Mon 17/1113:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 17/8£423
Wed 17/912:35LGW - GMP
1 stop16h 30mAir China
Wed 1/1014:25GMP - LGW
1 stop24h 10mAir China
Deal found 17/8£423
Mon 10/1121:00LHR - GMP
1 stop29h 00mMultiple Airlines
Tue 18/1113:45GMP - LHR
1 stop37h 10mMultiple Airlines
Deal found 17/8£423
Wed 17/912:35LGW - GMP
1 stop16h 30mAir China
Mon 29/914:25GMP - LGW
1 stop24h 10mAir China
Deal found 17/8£423
Thu 4/921:00LHR - GMP
1 stop31h 25mChina Southern
Mon 1/1213:45GMP - LHR
1 stop37h 10mChina Southern
Deal found 17/8£424
Wed 3/920:25LHR - GMP
1 stop32h 40mAir China
Thu 11/914:25GMP - LHR
1 stop14h 05mAir China
Deal found 16/8£425

Cheapflights Fare Finder

 
Locate flights to Seoul that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 18 August 2025.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 28/10

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 27/11

13:45-17:55

1 stop37h 10m

£418

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Sat 4/10

21:00-12:25

1 stop31h 25m

Seoul Gimpo Intl

Sat 11/10

13:30-18:05

1 stop36h 35m

£419

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 4/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Sun 9/11

13:45-17:55

1 stop37h 10m

£420

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 13/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 20/11

13:45-17:55

1 stop37h 10m

£420

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Fri 14/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Fri 19/12

13:45-17:55

1 stop37h 10m

£420

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Thu 13/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Thu 27/11

13:45-17:55

1 stop37h 10m

£420

LondonSeoul

LHR - GMP

LHRGMP

London Heathrow

Tue 4/11

21:30-12:25

1 stop29h 55m

Seoul Gimpo Intl

Mon 10/11

13:45-17:55

1 stop37h 10m

£420

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 17/9

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Wed 1/10

14:25-06:35

1 stop24h 10m

£423

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Wed 17/9

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Mon 29/9

14:25-06:35

1 stop24h 10m

£423

LondonSeoul

LGW - GMP

LGWGMP

London Gatwick

Tue 16/9

12:35-13:05

1 stop16h 30m

Seoul Gimpo Intl

Mon 29/9

14:25-06:35

1 stop24h 10m

£433

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 60 results
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Best time to book a flight to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul with our price prediction graph.
Estimated return 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 to Seoul

When is the best time to book a flight to Seoul?

Use this chart to determine the optimal time to book a return flight from London to Seoul. Price data was last updated on 8 August 2025.

To ensure you get the cheapest price possible for a flight to Seoul, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Seoul?

On average, a flight from London to Seoul takes 16 hours 0 minutes. Flights to Seoul from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Seoul?

Use this chart to determine the cheapest time to fly return from London to Seoul. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Seoul should consider flying on Thursday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday at midday, when prices are usually at their highest.

Weekly flight availability to Seoul

The most flights from London to Seoul are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

What are the cheapest airlines that fly to Seoul?

The cheapest airlines flying from London to Seoul are China Eastern, China Southern and Air China.

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 18 August 2025.
Read through reviews of airlines serving South Korea, such as Korean Air, Asiana Airlines, andChina Southern. 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.

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

FAQs about flying to Seoul

Seoul climate

Seoul’s four seasons are extreme to say the least. Winter kicks off the year in a blustery, long freeze that coats the city in ice and snow. The air is dry, and temperatures are unforgiving, so if you book flights to Seoul during the cold spell between December and February, be sure to pack layers – and lots of them. Spring warms up a bit, happily welcoming the sun and leaving behind the frigid marathon. Summer sun scorches the sidewalks (and skin, so bring SPF!) and temperatures can rise up over 35 degrees. Autumn boasts bright foliage and more tolerable temperatures, and has long been known as the prettiest time to travel to Seoul.

Getting around Seoul

Taxis are pretty much the way to go when you travel to Seoul, even though some drivers seem to be roller coaster operators. Regular taxis are easy for short trips around the city, especially because they are cheaper than the bus, and if you’re travelling with a few other people, it makes sense. Deluxe taxis (mobeom) are black with a yellow stripe. Very few drivers speak English, but there are easy-to-use interpretations services that help you connect with them. The system works by speaking to an interpreter through a phone in English, who then talks to the driver in Korean. 

Subways are fast and cheap as well, as are buses. Most of them run from very early in the morning to midnight, and some even later. Route maps are available in English, although drivers mostly speak Korean.

Local Airport

Gimpo International Airport (GMP)

  • What is good to know if travelling to Seoul?

    Bosingak: This part of town on Jongno (Bell Street) is famous because it was the city’s main hub during the Joseon period. Here, a modern version of the city bell is rung every New Year, fulfilling the same tradition since 1468. If you were to travel to Seoul back then, you’d hear the bell often during the day. It used to ring 28 times at night to signal the city-wide curfew, and 33 times in the day (starting at 4 a.m.) to represent the 33 heavens of Buddhism. Fortunately, it now just rings once a year, and people all over the city can sleep a little longer. Children’s Grand Park: If you’re visiting Seoul with the kids, then there’s no better place to take them than the Children’s Grand Park. Grab a free map at the entrance, and stroll all along the beautiful paths lined with flower beds and fountains. As you enter the zoo part of the park, you and your kids will be able to get close to lions, tigers, elephants and bears. A glass house with a botanical garden inside is filled with bold colours, rare breeds, and delicate flowers that make perfect photos. On one end, cacti reach almost to the ceiling, and throughout the rest, a tropical jungle and bonsai trees give way to the small folk museum upstairs. Pucca Funny Love: Within minutes of stepping off your flight, you’ll see her. She’s been called the “biggest success story in the Korean character industry.” Donned in a red dress and spiked black pig tails, the young cartoon character, 10-year-old Pucca Funny Love, seems to be plastered all over the country, selling fast food, boosting promotions on billboards, and finding a home on bumper stickers. Books, DVDs, and episodes of her “funny love story” with 12-year old cartoon ninja, Garu, seem to sell like hotcakes. She’s even making her way into fashion by bridging with United Colours of Benetton to make a line for tweens. Her fame is said to be mounting like that of Hello Kitty and Mickey Mouse, and with her foot in the door all over Asia, the United States, the United Kingdom, and Germany, she is destined for fame. National Museum of Korea: History tells the tale of a place, so when you travel to Seoul, make sure that you spend some quality time in the National Museum of Korea. The modern building, splashed everywhere with gleaming marble, uses natural light to show off some of Korea’s most treasured ancient artefacts. It took almost eight years to construct, but the building stands as a beautiful tribute to the country’s foundation. Art from Korea, Japan, China, and Southeast Asia are displayed within context of each other, so you can absorb the magnitude of how art exists within the continent. The reflecting pool at its entrance, the 800-seat Yong Dragon theatre, and the incredible Buddhist pagodas are all part of the glamorous serenity that you experience here.

  • Can I find cheaper flights to Seoul if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Seoul on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Seoul?

    Based on reviews from Cheapflights users, China Eastern is rated the highest out of the airlines that fly to Seoul.

  • What is the cheapest airport to fly to in Seoul?

    Incheon Intl is currently the cheapest airport to fly to in Seoul. One-way flights to Incheon Intl typically cost £15, while return flights cost around £59.

  • How much is a return flight to Seoul?

    A return flight to Seoul will typically cost around £171, however they can be found for as little as £80.

  • Where does the fastest flight to Seoul depart from?

    For those looking to save time traveling to Seoul, London offers the quickest one-way flight (12 hours 25 minutes).

  • Does Incheon Intl have car hire?

    Yes. Those touching down at Incheon Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Incheon Intl?

    Yes. Incheon Intl has hotels nearby for those requiring accommodations. Darakhyu Incheon Airport Terminal 2 Capsule Hotel by Walkerhill is the closest property to Incheon Intl (0.0 mi away from Incheon Intl).

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