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£100+ Cheap flights from Seoul

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEL — LHR
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Find flights from Seoul within your budget

 
Find flights departing from Seoul that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 March 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 11/5

20:50-15:00

1 stop26h 10m

London Gatwick

Tue 12/5

18:00-19:50

1 stop17h 50m

£511

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 11/5

20:50-15:00

1 stop26h 10m

London Gatwick

Wed 13/5

18:00-19:50

1 stop17h 50m

£511

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Fri 15/5

16:20-15:00

1 stop30h 40m

London Gatwick

Mon 25/5

11:35-11:55

1 stop16h 20m

£511

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Mon 11/5

12:00-06:40

1 stop26h 40m

London Gatwick

Mon 18/5

18:00-19:50

1 stop17h 50m

£512

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Fri 8/5

12:00-06:40

1 stop26h 40m

London Gatwick

Mon 18/5

18:00-11:00

1 stop33h 00m

£513

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 19/4

01:35-15:05

1 stop21h 30m

London Heathrow

Mon 27/4

09:30-10:50

1 stop17h 20m

£545

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Fri 3/7

08:15-07:25

1 stop31h 10m

London Gatwick

Sat 11/7

10:25-07:00

1 stop36h 35m

£580

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Fri 21/8

14:25-06:35

1 stop24h 10m

London Gatwick

Mon 7/9

12:35-13:05

1 stop16h 30m

£582

IncheonManchester

ICN - MAN

ICNMAN

Incheon Intl

Thu 2/7

11:40-23:15

1 stop19h 35m

Manchester

Thu 4/2

06:25-10:50

2 stops19h 25m

£588

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 4/9

00:10-16:35

1 stop24h 25m

London Heathrow

Thu 10/9

11:00-21:15

1 stop26h 15m

£600

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Seoul

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Seoul

Get recent, data-driven insights about flights from Seoul including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Seoul to Heathrow. Price data was last updated on 13 March 2026.

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seoul?

Currently, February is the cheapest month in which you can book a flight from Seoul (average of £344). Flying from Seoul in August will prove the most costly (average of £549). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Seoul?

Many airlines operate round-trip flights from Seoul: Asiana Airlines, Virgin Atlantic, Korean Air, Air China. These airlines fly to the following popular destinations: London.

China Southern
China Southern
From £308
Asiana Airlines
Asiana Airlines
From £14
Thai Airways
Thai Airways
From £476
China Eastern
China Eastern
From £237

What are popular destinations to fly to from Seoul?

If you’re flying from Seoul, these routes are more frequently taken by airlines Osaka (968 flights per day), Tokyo (933 flights per day) and Jeju City (790 flights per day).

London
London
From £134
Tokyo
Tokyo
From £54
Osaka
Osaka
From £57
Shanghai Hongqiao Intl
Shanghai Hongqiao Intl
From £136

What is the cheapest place to fly to from Seoul?

The cheapest city to fly to from Seoul is Busan Gimhae, with prices starting at £14. Explore other affordable destinations below.

Busan Gimhae
Busan Gimhae
From £14
Jeju City
Jeju City
From £14
Hong Kong Intl
Hong Kong Intl
From £46
Hanoi Noibai
Hanoi Noibai
From £49

Airline reviews for flights from Seoul

Get insights into the airlines that provide service from Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Seoul. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Read through reviews of airlines serving Seoul, such as Korean Air,Asiana Airlines, andVirgin Atlantic. 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.
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,202 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.1
Very Good
506 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Virgin Atlantic
7.5
Good
685 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air China
7.3
Good
142 reviews
Korean Air
8.4
Very Good
1,202 reviews
Check prices

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from South Korea

Book a direct flight from one of these other cities located in South Korea.
Direct flights from Busan

Related info for your journey

Access useful and relevant information related to your journey from Seoul. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 March 2026.

  • What are the most popular destinations to fly to from Seoul?

    This month, the top selected destinations from Seoul are Fukuoka, Da Nang, Bangkok Suvarnabhumi Airport. Throughout the year, Fukuoka, Da Nang, Bangkok Suvarnabhumi Airport are some of the top choices made by users flying from Seoul.

  • What is the cheapest airport to fly out of Seoul?

    Incheon Intl airport offers the cheapest routes to London, from £379; whereas Seoul Gimpo Intl airport is typically cheaper if you're flying to London, from £607. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What are the cheapest airlines flying from Seoul to anywhere?

    Over the past few days, we've found that Asiana Airlines, T'way Air, and Korean Air have the cheapest prices from Seoul. Asiana Airlines flights from Seoul to Jeju City (£14), T'way Air flights from Seoul to Jeju City (£19), and Korean Air flights from Seoul to Jeju City (£21).

  • What is the cheapest month to fly from Seoul?

    At the present moment the cheapest month to fly from Seoul is currently February; with August being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Seoul?

    Check out the cheapest flights from Seoul to embark to:
    Travel from Seoul to London from £379 round trip

  • How does Cheapflights help users find flights from Seoul?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Seoul today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Seoul?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seoul for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Seoul with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Seoul, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Seoul become cheaper?

    Of course! You can now track prices for flights from Seoul and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seoul?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Seoul today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seoul?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seoul for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seoul with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seoul, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Seoul become cheaper?

Of course! You can now track prices for flights from Seoul and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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