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£33+ 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 30/8. 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
24 Aug — 31 Aug1
1 adult

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 19 August 2025.

Good round-trip deal

£55 or less

Good one-way deal

£17 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

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 19 August 2025.

Tue 2/918:00ICN - BKK
Nonstop6h 05mT'way Air
Wed 3/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 18/8£104
Tue 18/1119:50ICN - BKK
Nonstop6h 20mT'way Air
Thu 27/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 17/8£108
Wed 10/918:00ICN - BKK
Nonstop6h 05mT'way Air
Thu 27/1101:30BKK - ICN
Nonstop5h 30mT'way Air
Deal found 17/8£110
Fri 12/918:00ICN - BKK
Nonstop6h 05mT'way Air
Tue 16/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 19/8£113
Thu 4/920:05ICN - BKK
Nonstop5h 54mJeju Air
Sun 7/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 19/8£115
Fri 19/918:05ICN - BKK
1 stop18h 45mVietnam Airlines
Sun 21/919:05BKK - ICN
1 stop19h 30mVietnam Airlines
Deal found 17/8£116
Tue 2/917:30ICN - BKK
Nonstop5h 50mEastar Jet
Thu 4/922:20BKK - ICN
Nonstop5h 40mEastar Jet
Deal found 18/8£117
Sun 7/916:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Thu 11/922:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 18/8£118
Wed 3/919:55ICN - BKK
Nonstop5h 50mJin Air
Thu 4/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 18/8£121
Fri 29/820:05ICN - BKK
Nonstop5h 54mJeju Air
Sun 31/801:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 19/8£122
Sat 13/918:00ICN - BKK
Nonstop6h 05mT'way Air
Sat 13/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 18/8£125
Wed 10/908:15ICN - HKT
1 stop10h 20mMultiple Airlines
Sun 14/922:05HKT - ICN
1 stop10h 15mMultiple Airlines
Deal found 17/8£182

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 19 August 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

Wed 10/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 27/11

01:30-09:00

Nonstop5h 30m

£110

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 10/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 10/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 16/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 20/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 20/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 20/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 11/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 16/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 19/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 21/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 16/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 20/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 22/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 19/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Mon 22/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 31/8

18:00-22:00

Nonstop6h 00m

Bangkok Suvarnabhumi

Sat 20/9

00:05-07:40

Nonstop5h 35m

£113

Flights are sorted by cheapest return flights first.

Deals found on 18/8

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 £343). Flying from South Korea in July will prove the most costly (average of £508). 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 Friday mornings when fares are usually the most expensive.

Which airlines fly from South Korea?

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

China Southern
China Southern
From £166
China Eastern
China Eastern
From £299
Asiana Airlines
Asiana Airlines
From £56
Jeju Air
Jeju Air
From £30

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

The cheapest city to fly to from South Korea is Busan Gimhae, with prices starting at £10. Explore other affordable destinations below.

Busan Gimhae
Busan Gimhae
From £13
Jeju City
Jeju City
From £15
Seoul
Seoul
From £25
Tokyo
Tokyo
From £31

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, andAir China 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
1,131 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

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
1,131 reviews
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

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
476 reviews
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

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
95 reviews
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

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
160 reviews
Korean Air
8.4
Very Good
1,131 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Boarding

8.5

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 Asia

Book a direct flight from one of these other cities located in Asia.
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 19 August 2025.

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

    Incheon Intl airport offers the cheapest routes to London, from £347; whereas Seoul Gimpo Intl airport is typically cheaper if you're flying to London, from £427. 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 £347 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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