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£58+ Cheap flights from South Korea

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 26/3. 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
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from South Korea

Discover essential information about flights departing from South Korea, including flight schedules, destinations, airlines operating at the South Korea airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 3 December 2025.

Good round-trip deal

£32 or less

Good one-way deal

£15 or less
Price to beat on a round-trip flight from South Korea.
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Price to beat on a one-way flight from South Korea.
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Find flights from South Korea

Enter your travel dates to find the best prices.

Cheapest flights from South Korea
Explore the most affordable flight options available from South Korea. Find the lowest fares based on data from user searches, with prices last updated on 3 December 2025.

Thu 21/518:05ICN - BKK
1 stop18h 45mMultiple Airlines
Sat 4/702:25BKK - ICN
Nonstop5h 35mMultiple Airlines
Deal found 2/12£126
Fri 22/518:05ICN - BKK
1 stop18h 45mMultiple Airlines
Sat 4/702:25BKK - ICN
Nonstop5h 35mMultiple Airlines
Deal found 2/12£128
Fri 22/518:05ICN - BKK
1 stop18h 45mVietnam Airlines
Sun 5/722:15BKK - ICN
1 stop16h 20mVietnam Airlines
Deal found 2/12£129
Sun 24/511:05ICN - BKK
1 stop8h 00mMultiple Airlines
Sun 5/702:25BKK - ICN
Nonstop5h 35mMultiple Airlines
Deal found 2/12£138
Sun 24/518:00ICN - BKK
Nonstop6h 05mMultiple Airlines
Mon 6/702:25BKK - ICN
Nonstop5h 35mMultiple Airlines
Deal found 2/12£142
Fri 29/510:05ICN - BKK
1 stop13h 00mVietnam Airlines
Wed 3/622:15BKK - ICN
1 stop16h 20mVietnam Airlines
Deal found 2/12£144
Fri 15/511:05ICN - BKK
1 stop8h 00mVietnam Airlines
Mon 18/519:05BKK - ICN
1 stop8h 45mVietnam Airlines
Deal found 1/12£145
Wed 20/510:05ICN - BKK
1 stop13h 00mVietnam Airlines
Sat 4/715:55BKK - ICN
1 stop11h 55mVietnam Airlines
Deal found 2/12£145
Thu 26/317:15ICN - BKK
Nonstop6h 10mAIR PREMIA
Sat 28/322:55BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 2/12£146
Sun 22/317:15ICN - BKK
Nonstop6h 10mAIR PREMIA
Wed 25/322:55BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 1/12£148
Tue 12/507:40GMP - HND
Nonstop2h 10mANA
Tue 26/520:05HND - GMP
Nonstop2h 15mANA
Deal found 1/12£209
Tue 19/507:40GMP - HND
Nonstop2h 10mANA
Sun 7/608:40HND - GMP
Nonstop2h 25mANA
Deal found 1/12£217

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 3 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 24/5

10:05-21:05

1 stop13h 00m

Bangkok Suvarnabhumi

Sun 5/7

18:05-06:00

1 stop9h 55m

£145

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 25/2

00:10-17:40

1 stop19h 30m

Bangkok Suvarnabhumi

Wed 4/3

20:05-20:55

1 stop22h 50m

£203

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 30/1

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Thu 5/2

22:55-06:35

Nonstop5h 40m

£207

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 2/2

12:10-16:20

Nonstop6h 10m

Bangkok Suvarnabhumi

Fri 6/2

02:25-09:55

Nonstop5h 30m

£218

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 6/1

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Sat 14/2

01:00-08:25

Nonstop5h 25m

£224

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 12/1

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Thu 15/1

01:00-08:25

Nonstop5h 25m

£231

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 16/12

17:10-21:10

Nonstop6h 00m

Bangkok Suvarnabhumi

Sun 21/12

22:25-06:05

Nonstop5h 40m

£238

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 17/12

10:00-16:40

1 stop8h 40m

Bangkok Suvarnabhumi

Mon 5/1

07:55-21:25

1 stop11h 30m

£258

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 25/12

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Thu 8/1

22:55-06:35

Nonstop5h 40m

£263

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 23/12

17:15-21:25

Nonstop6h 10m

Bangkok Suvarnabhumi

Thu 8/1

22:55-06:35

Nonstop5h 40m

£263

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from South Korea (average of £356). Flying from South Korea in July will prove the most costly (average of £572). 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 16 December 2024.

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.

Which airlines fly from South Korea?

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

British Airways
British Airways
From £501
Virgin Atlantic
Virgin Atlantic
From £378
Spirit Airlines
Spirit Airlines
From £38

What is the cheapest place to fly to from South Korea?

The cheapest city to fly to from South Korea is Jeju City, with prices starting at £8. Explore other affordable destinations below.

Jeju City
Jeju City
From £8
Busan Gimhae
Busan Gimhae
From £9
Seoul
Seoul
From £15
Singapore Changi
Singapore Changi
From £45

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, andChina Eastern from South Korea have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,177 reviews
Check prices

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

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
1,177 reviews
Korean Air
8.4
Very Good
1,177 reviews
Check prices

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

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
8.2
Very Good
490 reviews
Korean Air
8.4
Very Good
1,177 reviews
Check prices

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

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!!
China Eastern
7.2
Good
178 reviews
Korean Air
8.4
Very Good
1,177 reviews
Check prices

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

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
7.2
Good
127 reviews
Korean Air
8.4
Very Good
1,177 reviews
Check prices

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.4

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!!

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Direct flights from Asia

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Direct flights from Busan

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 3 December 2025.

  • What is the cheapest airport to fly out of South Korea?

    Incheon Intl airport offers the cheapest routes to London, from £348; whereas Seoul Gimpo Intl airport is typically cheaper if you're flying to London, from £417. 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 November; with July 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 £348 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

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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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