£35+ Cheap flights from South Korea

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. 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.
ICN — LHR
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

Find flights from South Korea within your budget

 
Find flights departing from South Korea 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 10 April 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Fri 24/4

17:50-13:30

1 stop27h 40m

London Heathrow

Tue 5/5

09:30-10:50

1 stop17h 20m

£554

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Tue 26/5

17:50-14:35

2 stops28h 45m

London Luton

Sat 6/6

15:15-22:05

2 stops22h 50m

£563

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Tue 26/5

17:50-15:00

2 stops29h 10m

London Gatwick

Sat 6/6

13:45-22:05

2 stops24h 20m

£571

IncheonLondon

ICN - LGW

ICNLGW

Incheon Intl

Thu 28/5

23:45-07:45

1 stop40h 00m

London Gatwick

Fri 5/6

11:35-14:55

2 stops19h 20m

£575

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Wed 27/5

01:35-12:45

1 stop19h 10m

London Heathrow

Fri 5/6

20:50-10:50

1 stop30h 00m

£587

SeoulLondon

GMP - LGW

GMPLGW

Seoul Gimpo Intl

Thu 7/5

12:00-15:00

1 stop35h 00m

London Gatwick

Wed 20/5

11:35-19:50

1 stop24h 15m

£599

IncheonLondon

ICN - LHR

ICNLHR

Incheon Intl

Sun 31/5

01:35-12:45

1 stop19h 10m

London Heathrow

Fri 5/6

20:50-10:50

1 stop30h 00m

£604

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Sun 14/6

17:45-18:05

2 stops32h 20m

London Luton

Mon 22/6

15:15-10:50

2 stops35h 35m

£605

IncheonLondon

ICN - LTN

ICNLTN

Incheon Intl

Wed 20/5

17:50-11:00

2 stops25h 10m

London Luton

Wed 27/5

05:40-10:50

2 stops21h 10m

£610

IncheonLondon

ICN - STN

ICNSTN

Incheon Intl

Tue 2/6

23:55-18:45

1 stop26h 50m

London Stansted

Wed 17/6

21:05-17:00

1 stop35h 55m

£611

Flights are sorted by cheapest return flights first.

Deals found on 8/4

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

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

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

What is the cheapest month to book a flight from South Korea?

Currently, February is the cheapest month in which you can book a flight from South Korea (average of £342). Flying from South Korea in September will prove the most costly (average of £528). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from South Korea?

Use this chart to determine the cheapest time to fly return from South Korea to Heathrow. Price data was last updated on 4 April 2026.

Those who are seeking the cheapest fare on flights departing from South Korea would be wise to consider leaving during Saturday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday at midday when fares are usually the most expensive.

Airline reviews for flights from South Korea

Get insights into the airlines that provide service from South Korea. 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 South Korea. In the last 7 days, Cheapflights users made a total of 858,174 searches.
See what other customers who have flown with Korean Air,Asiana Airlines, andVirgin Atlantic from South Korea have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

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!!

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

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!!

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

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!!

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

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!!

Food

8.1

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

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!!

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Direct flights from Asia

Book a direct flight from one of these other cities located in Asia.

Related info for your journey

Access useful and relevant information related to your journey from South Korea. 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 10 April 2026.
  • What is the cheapest airport to fly out of South Korea?

    Incheon Intl airport offers the cheapest routes to London, from £398; whereas Seoul Gimpo Intl airport is typically cheaper if you're flying to London, from £733. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from South Korea?

    At the present moment the cheapest month to fly from South Korea is currently February; with September 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 South Korea?

    Check out the cheapest flights from South Korea to embark to:
    Travel from Seoul to London from £398 round trip

  • How does Cheapflights help users find flights from South Korea?

    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 South Korea today with Cheapflights!

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

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

  • Can Cheapflights find flights from South Korea with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from South Korea flexibly with Cheapflights today.

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

    Not ready to book yet? You can track prices for flights from South Korea on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

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 South Korea?

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 South Korea today with Cheapflights!

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

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

Can Cheapflights find flights from South Korea with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from South Korea flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from South Korea on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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