£33+ 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 24/9. 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
31 Aug — 7 Sep1
1 adult

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 26 August 2025.

Cheapest airline

Jeju Air

Good round-trip deal

£31 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 £66).
Price to beat on a round-trip flight from Seoul.
Price to beat on a one-way flight from Seoul.

Find flights from Seoul

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 26 August 2025.

Mon 8/919:55ICN - BKK
Nonstop5h 50mJin Air
Thu 11/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 26/8£105
Mon 8/919:55ICN - BKK
Nonstop5h 50mJin Air
Wed 10/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 25/8£105
Sat 6/916:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Thu 11/922:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 26/8£107
Fri 10/1018:05ICN - BKK
1 stop18h 45mVietnam Airlines
Fri 17/1022:15BKK - ICN
1 stop16h 20mVietnam Airlines
Deal found 25/8£110
Sun 7/919:55ICN - BKK
Nonstop5h 50mJin Air
Mon 8/900:55BKK - ICN
Nonstop5h 30mJin Air
Deal found 26/8£113
Sat 20/918:00ICN - BKK
Nonstop6h 05mT'way Air
Fri 26/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 26/8£113
Sat 20/918:00ICN - BKK
Nonstop6h 05mT'way Air
Mon 22/900:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 25/8£114
Wed 17/920:05ICN - BKK
Nonstop5h 54mJeju Air
Sat 20/901:00BKK - ICN
Nonstop5h 40mJeju Air
Deal found 26/8£116
Thu 16/1018:05ICN - BKK
1 stop22h 40mVietnam Airlines
Sun 26/1022:10BKK - ICN
1 stop16h 20mVietnam Airlines
Deal found 24/8£116
Sat 6/916:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Sun 14/922:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 23/8£117
Mon 22/916:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Wed 24/922:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 25/8£118
Sat 6/916:50ICN - BKK
Nonstop6h 20mAIR PREMIA
Wed 10/922:45BKK - ICN
Nonstop5h 40mAIR PREMIA
Deal found 25/8£119

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 26 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

Sun 14/9

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 22/9

22:45-06:25

Nonstop5h 40m

£107

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 7/9

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 15/9

22:45-06:25

Nonstop5h 40m

£107

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/9

16:50-21:10

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 15/9

22:45-06:25

Nonstop5h 40m

£107

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 8/9

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Fri 12/9

00:55-08:25

Nonstop5h 30m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 11/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 11/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 27/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 27/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 27/9

19:55-23:45

Nonstop5h 50m

Bangkok Suvarnabhumi

Sun 28/9

00:55-08:25

Nonstop5h 30m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Wed 17/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 20/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 16/9

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Fri 19/9

00:05-07:40

Nonstop5h 35m

£113

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 7/9

20:05-23:59

Nonstop5h 54m

Bangkok Suvarnabhumi

Wed 10/9

01:00-08:40

Nonstop5h 40m

£116

Flights are sorted by cheapest return flights first.

Deals found on 24/8

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 22 August 2025.

Booking 67 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 £344). Flying from Seoul 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.

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, andAir China. 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.

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.2

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!!

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.2

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!!

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.2

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!!

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.2

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!!

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Comfort

8.2

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!!

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.

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 26 August 2025.
  • What are the most popular destinations to fly to from Seoul?

    This month, the top selected destinations from Seoul are Fukuoka, Da Nang, Nha Trang. 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 £346; whereas Seoul Gimpo Intl airport is typically cheaper if you're flying to London, from £434. 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, Jeju Air, and Korean Air have the cheapest prices from Seoul. T'way Air flights from Seoul to Jeju City (£32), Jeju Air flights from Seoul to Jeju City (£39), and Korean Air flights from Seoul to Jeju City (£41).

  • 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 £346 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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