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Cheap flights from Seoul to Northern Ireland from £340

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — BFS
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seoul to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Seoul to Northern Ireland
Explore the most affordable flight options available from Seoul to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Mon 14/910:35 -
3 stops44h 45m
Thu 17/920:40 -
3 stops41h 20m
Deal found 9/8£606
Sat 26/1223:05 -
1 stop19h 05m
Sun 3/117:20 -
2 stops56h 55m
Deal found 10/8£735
Sat 26/1212:05 -
2 stops37h 45m
Sun 3/117:20 -
2 stops56h 55m
Deal found 10/8£752
Fri 25/918:30 -
3 stops34h 45m
Fri 2/1019:55 -
3 stops38h 45m
Deal found 11/8£784
Thu 24/911:40 -
2 stops29h 40m
Sun 27/909:45 -
1 stop22h 40m
Deal found 13/8£818
Sat 26/1217:50 -
2 stops31h 50m
Sun 3/122:00 -
3 stops38h 55m
Deal found 10/8£843
Sun 4/1015:15 -
2 stops37h 20m
Thu 8/1016:35 -
2 stops21h 35m
Deal found 10/8£944
Wed 14/1001:20 -
2 stops24h 25m
Mon 19/1010:10 -
2 stops46h 55m
Deal found 13/8£964
Fri 4/918:30 -
2 stops34h 20m
Mon 7/910:10 -
2 stops46h 55m
Deal found 10/8£968
Tue 1/1200:20 -
2 stops40h 40m
Sun 6/1206:30 -
2 stops25h 45m
Deal found 12/8£971

Find flight deals from Seoul to Northern Ireland

Keep the following information in mind while searching for Seoul to Northern Ireland flight deals. Data was last updated 14 August 2026.

Round-trip from

£606

One-way from

£340
14/9-17/9
  • 14/9-17/9
  • 6 total stops
  • 86h 05m total
  • Seoul to Northern Ireland
Search Deals
30/8
  • 30/8
  • 2 total stops
  • 45h 00m total
  • Seoul to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seoul to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 August 2026.
Use the filters below to find and compare flights from Seoul to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IncheonBelfast

ICN Incheon Intl - BFS Belfast Intl

ICNBFS

Incheon Intl

Mon 14/9

10:35-23:20

3 stops44h 45m

Belfast Intl

Thu 17/9

20:40-22:00

3 stops41h 20m

£606

IncheonBelfast

ICN Incheon Intl - BFS Belfast Intl

ICNBFS

Incheon Intl

Fri 25/9

18:30-21:15

3 stops34h 45m

Belfast Intl

Fri 2/10

19:55-18:40

3 stops38h 45m

£784

IncheonBelfast

ICN Incheon Intl - BHD Belfast City

ICNBHD

Incheon Intl

Thu 24/9

11:40-09:20

2 stops29h 40m

Belfast City

Sun 27/9

09:45-16:25

1 stop22h 40m

£818

IncheonBelfast

ICN Incheon Intl - BFS Belfast Intl

ICNBFS

Incheon Intl

Sat 26/12

17:50-16:40

2 stops31h 50m

Belfast Intl

Sun 3/1

22:00-21:55

3 stops38h 55m

£843

IncheonBelfast

ICN Incheon Intl - BHD Belfast City

ICNBHD

Incheon Intl

Wed 14/10

01:20-17:45

2 stops24h 25m

Belfast City

Mon 19/10

10:10-17:05

2 stops46h 55m

£964

IncheonBelfast

ICN Incheon Intl - BHD Belfast City

ICNBHD

Incheon Intl

Fri 4/9

18:30-20:50

2 stops34h 20m

Belfast City

Mon 7/9

10:10-17:05

2 stops46h 55m

£968

IncheonBelfast

ICN Incheon Intl - BHD Belfast City

ICNBHD

Incheon Intl

Tue 1/12

00:20-08:00

2 stops40h 40m

Belfast City

Sun 6/12

06:30-17:15

2 stops25h 45m

£971

IncheonBelfast

ICN Incheon Intl - BHD Belfast City

ICNBHD

Incheon Intl

Sat 26/12

08:40-19:10

1 stop19h 30m

Belfast City

Sun 3/1

20:25-14:10

1 stop32h 45m

£1,106

IncheonBelfast

ICN Incheon Intl - BHD Belfast City

ICNBHD

Incheon Intl

Sun 4/10

22:25-09:20

1 stop18h 55m

Belfast City

Thu 8/10

17:30-09:35

2 stops32h 05m

£1,151
Fastest return journey

IncheonBelfast

ICN Incheon Intl - BHD Belfast City

ICNBHD

Incheon Intl

Mon 5/10

12:25-08:50

1 stop28h 25m

Belfast City

Thu 8/10

16:35-22:10

2 stops21h 35m

£1,155

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Seoul to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland 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.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Northern Ireland

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seoul to Northern Ireland?

    For as low as £964, KLM can have you in Northern Ireland from Seoul in 24h 25m. There are 5473 mi between Seoul and Northern Ireland. This flight may include one or multiple stops.

  • Can I find deals for flights from Seoul to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Seoul to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Northern Ireland.

  • Can I find deals for business class flights from Seoul to Northern Ireland?

    Yes. Cheapflights offers flight deals from Seoul to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Northern Ireland from Seoul.

Can Cheapflights find flights from Seoul to Northern Ireland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seoul to Northern Ireland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seoul to Northern Ireland become cheaper?

Of course! You can now track prices for flights from Seoul to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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