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£58+ Cheap flights from 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 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.
SEL — LHR
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Seoul

Discover essential information about flights departing from Seoul, including flight schedules, destinations, airlines operating at the Seoul 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.

Cheapest airline

Jeju Air

Good round-trip deal

£32 or less

Good one-way deal

£20 or less
On average, Jeju Air currently has the cheapest one-way flight from Seoul (avg. price of £67).
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Price to beat on a round-trip flight from Seoul.
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Price to beat on a one-way flight from Seoul.
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Find flights from Seoul

Enter your travel dates to find the best prices.

Cheapest flights from Seoul
Explore the most affordable flight options available from Seoul. 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 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 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 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 28 November 2025.

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, November is the cheapest month in which you can book a flight from Seoul (average of £356). Flying from Seoul 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.

Which airlines fly from Seoul?

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

China Southern
China Southern
From £311
China Eastern
China Eastern
From £212
Asiana Airlines
Asiana Airlines
From £33
Thai Airways
Thai Airways
From £481

What are popular destinations to fly to from Seoul?

If you’re flying from Seoul, these routes are more frequently taken by airlines Tokyo (932 flights per day), Jeju City (903 flights per day) and Osaka (864 flights per day).

London
London
From £279
Tokyo
Tokyo
From £55
Beijing
Beijing
From £59
Shanghai Hongqiao Intl
Shanghai Hongqiao Intl
From £81

What is the cheapest place to fly to from Seoul?

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

Jeju City
Jeju City
From £8
Busan Gimhae
Busan Gimhae
From £28
Singapore Changi
Singapore Changi
From £45
Osaka
Osaka
From £46

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, andChina Eastern. 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
1,177 reviews
Check prices

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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

Food

8.1

Entertainment

8.2

Crew

8.7

Comfort

8.3

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 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 3 December 2025.

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

    Over the past few days, we've found that T'way Air, Asiana Airlines, and Jeju Air have the cheapest prices from Seoul. T'way Air flights from Seoul to Jeju City (£19), Asiana Airlines flights from Seoul to Bangkok Suvarnabhumi (£25), and Jeju Air flights from Seoul to Jeju City (£30).

  • What is the cheapest month to fly from Seoul?

    At the present moment the cheapest month to fly from Seoul 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 Seoul?

    Check out the cheapest flights from Seoul to embark to:
    Travel from Seoul to London from £348 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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