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£74+ Cheap flights from Incheon Intl Airport

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 29/1. 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
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Incheon Intl

Discover essential information about flights departing from Incheon Intl, including flight schedules, destinations, airlines operating at the Incheon Intl 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 8 January 2026.

Cheapest airline

Jeju Air

Good round-trip deal

£90 or less

Good one-way deal

£40 or less
On average, Jeju Air currently has the cheapest one-way flight from Incheon Intl (avg. price of £66).
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Price to beat on a round-trip flight from Incheon Intl.
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Price to beat on a one-way flight from Incheon Intl.
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Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl
Explore the most affordable flight options available from Incheon Intl. Find the lowest fares based on data from user searches, with prices last updated on 8 January 2026.

Sun 17/518:00ICN - BKK
Nonstop6h 05mT'way Air
Wed 20/500:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 7/1£127
Sun 28/618:00ICN - BKK
Nonstop6h 05mT'way Air
Fri 3/700:05BKK - ICN
Nonstop5h 35mT'way Air
Deal found 5/1£128
Sun 1/217:05ICN - BKK
Nonstop6h 20mEastar Jet
Thu 12/222:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 7/1£131
Wed 28/117:05ICN - BKK
Nonstop6h 20mEastar Jet
Tue 3/222:25BKK - ICN
Nonstop5h 55mEastar Jet
Deal found 5/1£132
Sat 9/520:05ICN - BKK
Nonstop6h 05mJeju Air
Wed 13/501:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 7/1£139
Sun 10/520:05ICN - BKK
Nonstop6h 05mJeju Air
Thu 28/501:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 7/1£142
Sat 6/610:05ICN - BKK
1 stop13h 00mVietnam Airlines
Tue 9/619:05BKK - ICN
1 stop8h 45mVietnam Airlines
Deal found 7/1£142
Mon 29/611:05ICN - BKK
1 stop8h 00mVietnam Airlines
Fri 10/718:05BKK - ICN
1 stop9h 55mVietnam Airlines
Deal found 7/1£144
Sat 30/510:05ICN - BKK
1 stop13h 00mVietnam Airlines
Wed 3/615:55BKK - ICN
1 stop11h 55mVietnam Airlines
Deal found 7/1£145
Thu 29/122:05ICN - BKK
1 stop29h 50mShandong Airlines
Wed 4/202:25BKK - ICN
1 stop15h 45mShandong Airlines
Deal found 7/1£147
Sat 9/520:05ICN - BKK
Nonstop6h 05mJeju Air
Mon 11/501:10BKK - ICN
Nonstop5h 45mJeju Air
Deal found 6/1£149
Wed 21/114:50ICN - MAN
2 stops32h 35mMultiple Airlines
Fri 30/115:20MAN - ICN
2 stops35h 20mMultiple Airlines
Deal found 6/1£344

Find flights from Incheon Intl within your budget

 
Find flights departing from Incheon Intl 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 8 January 2026. 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

Tue 19/5

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Thu 21/5

00:05-07:40

Nonstop5h 35m

£127

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 21/6

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Wed 24/6

00:05-07:40

Nonstop5h 35m

£127

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Tue 27/1

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Fri 30/1

22:25-06:20

Nonstop5h 55m

£131

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 25/5

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sat 20/6

00:05-07:40

Nonstop5h 35m

£156

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Thu 5/2

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Tue 10/2

22:25-06:20

Nonstop5h 55m

£159

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sun 5/7

18:00-22:05

Nonstop6h 05m

Bangkok Suvarnabhumi

Sun 12/7

00:05-07:40

Nonstop5h 35m

£163

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Mon 2/2

19:30-23:45

Nonstop6h 15m

Bangkok Suvarnabhumi

Thu 12/2

01:00-08:25

Nonstop5h 25m

£164

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 3/4

17:15-21:10

Nonstop5h 55m

Bangkok Suvarnabhumi

Tue 7/4

22:45-06:15

Nonstop5h 30m

£164

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Sat 31/1

17:05-21:25

Nonstop6h 20m

Bangkok Suvarnabhumi

Mon 2/2

22:25-06:20

Nonstop5h 55m

£168

IncheonBangkok

ICN - BKK

ICNBKK

Incheon Intl

Fri 3/4

20:05-00:10

Nonstop6h 05m

Bangkok Suvarnabhumi

Tue 28/4

01:10-08:55

Nonstop5h 45m

£170

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 60 results
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Best time to book a flight from Incheon Intl

Have a flexible travel schedule? Discover the best time to fly from Incheon Intl 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 Incheon Intl

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

When is the best time to book a flight from Incheon Intl Airport?

Use this chart to determine the optimal time to book a return flight from Incheon Intl to Heathrow. Price data was last updated on 2 January 2026.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport. 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 Incheon Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Incheon Intl Airport (average of £355). Flying from Incheon Intl Airport in July will prove the most costly (average of £560). 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 Incheon Intl Airport?

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

China Southern
China Southern
From £304
China Eastern
China Eastern
From £207
Thai Airways
Thai Airways
From £471
Asiana Airlines
Asiana Airlines
From £179

What are popular destinations to fly to from Incheon Intl Airport?

If you’re flying from Incheon Intl Airport, these routes are more frequently taken by airlines Tokyo (891 flights per day), Osaka (784 flights per day) and Bangkok (302 flights per day).

Bangkok Suvarnabhumi
Bangkok Suvarnabhumi
From £81
Tokyo
Tokyo
From £62
Fukuoka
Fukuoka
From £31
London
London
From £420

What is the cheapest place to fly to from Incheon Intl Airport?

The cheapest city to fly to from Incheon Intl Airport is Fukuoka, with prices starting at £31. Explore other affordable destinations below.

Fukuoka
Fukuoka
From £31
Hong Kong Intl
Hong Kong Intl
From £49
Osaka
Osaka
From £53
Yangzhou Taizhou
Yangzhou Taizhou
From £55

Airline reviews for flights from Incheon Intl

Get insights into the airlines that provide service from Incheon Intl. 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 Incheon Intl. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Read through reviews of airlines serving Incheon Intl Airport, 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
1,188 reviews
Check prices

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Comfort

8.3

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
1,188 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Comfort

8.3

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
499 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Comfort

8.3

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
187 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Comfort

8.3

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
7.2
Good
136 reviews
Korean Air
8.4
Very Good
1,188 reviews
Check prices

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Comfort

8.3

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!!

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Alternate flight departure points to Incheon Intl

Consider leaving from one of these other departure points that are located a short distance from Incheon Intl. Flight origins were last updated on 8 January 2026.
Flights from Incheon Intl
Flights from Jeju City
Flights from Busan
Flights from Gimpo Intl
Flights from Daegu

Related info for your journey

Access useful and relevant information related to your journey from Incheon Intl. 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 8 January 2026.

  • What are the most popular destinations to fly to from Incheon Intl Airport?

    This month, the top selected destinations from Incheon Intl Airport are Bangkok Suvarnabhumi Airport, Sapporo Chitose Airport, Da Nang. Throughout the year, Da Nang, Bangkok Suvarnabhumi Airport, Nha Trang are some of the top choices made by users flying from Incheon Intl Airport.

  • What is the cheapest flight from Incheon Intl Airport to anywhere?

    Users have flown out of Incheon Intl Airport for as low as £31 to Fukuoka (prices may vary depending on the airline and departure time). On average, users have booked flights for £474 to fly from Incheon Intl Airport.

  • What are the cheapest airlines flying from Incheon Intl Airport to anywhere?

    Over the past few days, we've found that Eastar Jet, HK Express, and Cebu Pacific have the cheapest prices from Incheon Intl Airport. Eastar Jet flights from Incheon Intl Airport to Osaka (£52), HK Express flights from Incheon Intl Airport to Hong Kong Intl (£88), and Cebu Pacific flights from Incheon Intl Airport to Manila Ninoy Aquino Intl (£93).

  • What is the cheapest premium economy flight from Incheon Intl Airport?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Incheon Intl Airport.
    Incheon Intl to Tokyo Narita Airport from £211
    Incheon Intl to Beijing Daxing Intl Airport from £213
    Incheon Intl to Bangkok Suvarnabhumi Airport from £362
    Incheon Intl to Hong Kong from £454

  • What is the cheapest first class flight from Incheon Intl Airport?

    If you’re looking for a cheap first-class flight from Incheon Intl Airport, consider London. Prices start at £3,376 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Incheon Intl Airport?

    At the present moment the cheapest month to fly from Incheon Intl Airport is currently March; 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 Incheon Intl Airport?

    Check out the cheapest flights from Incheon Intl Airport to embark to:
    Travel from Seoul to London from £347 round trip

  • How does Cheapflights help users find flights from Incheon Intl?

    Cheapflights makes it easy to find flights from Incheon Intl by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

  • Why should you use Cheapflights to find cheap flight tickets from Incheon Intl?

    Cheapflights simply makes it quick and affordable to book flights from Incheon Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from Incheon Intl with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Incheon Intl, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Incheon Intl become cheaper?

    Of course! You can now track prices for flights from Incheon Intl 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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Cheapflights makes it easy to find flights from Incheon Intl by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Incheon Intl?

Cheapflights simply makes it quick and affordable to book flights from Incheon Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Incheon Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Incheon Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Incheon Intl become cheaper?

Of course! You can now track prices for flights from Incheon Intl 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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