What is the cheapest month to book a flight from Northern Ireland to Seoul?

Currently, November is the cheapest month in which you can book a flight from Northern Ireland to Seoul (average of £640). Flying from Northern Ireland to Seoul in July is currently the most expensive (average of £1,145). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Seoul ranges from 27.0 - 253.0 inches per month. July is typically the wettest month, when rainfall can reach 253.0 mm. December is typically the driest time to visit Seoul when rainfall is around 27.0 mm.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What is the cheapest time of day to fly from NIR to SEL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to Seoul as you normally would.

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

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

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

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

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

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

£559+ Flights from Northern Ireland to Seoul

Cheap flight deals from Northern Ireland to Seoul

Round-trip from	£828
One-way from	£559

16/8-23/8
5 total stops
75h 40m total
Northern Ireland to Seoul

Search Deals

20/7
2 total stops
39h 45m total
Northern Ireland to Seoul

Search Deals

Find flight deals from Northern Ireland to Seoul

Cheapest flights from Northern Ireland to Seoul
Explore the most affordable flight options available from Northern Ireland to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Sat 16/821:05BFS - ICN

3 stops41h 00mMultiple Airlines

Sat 23/812:50ICN - BFS

2 stops34h 40mMultiple Airlines

Deal found 2/7£828

Cheapflights Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastIncheon

BFS - ICN

BFSICN

Belfast Intl

Sat 16/8

21:05-22:05

3 stops41h 00m

Incheon Intl

Sat 23/8

12:50-15:30

2 stops34h 40m

£828

BelfastIncheon

BHD - ICN

BHDICN

Belfast City

Sun 20/7

16:40-16:25

2 stops39h 45m

£559

BelfastIncheon

BHD - ICN

BHDICN

Belfast City

Sun 20/7

06:30-16:25

1 stop25h 55m

£1,060

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Best time to book a flight from Northern Ireland to Seoul

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

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

Reviews of airlines servicing Seoul

Read through reviews of airlines operating flights from Northern Ireland to Seoul, such as KLM. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,366 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,366 reviews

KLM

7.8

Good

1,366 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Can I find deals for flights from Northern Ireland to Seoul that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Seoul flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Seoul?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Seoul.
Can I find deals for business class flights from Northern Ireland to Seoul?
Yes. Cheapflights offers flight deals from Northern Ireland to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Northern Ireland to Seoul?
Currently, November is the cheapest month in which you can book a flight from Northern Ireland to Seoul (average of £640). Flying from Northern Ireland to Seoul in July is currently the most expensive (average of £1,145). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Northern Ireland to Seoul

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How does Cheapflights help users find flights from Northern Ireland to Seoul?

When you search for this flight from Northern Ireland to Seoul, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Seoul?

Cheapflights helps you find that perfect flight to Seoul from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Northern Ireland to Seoul with no change fees.

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

Yes! Start tracking prices for Northern Ireland to Seoul flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Northern Ireland to Seoul from £559

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Seoul

Keep the following information in mind while searching for Northern Ireland to Seoul flight deals. Data was last updated 3 July 2025.

Round-trip from

One-way from

Find flight deals from Northern Ireland to Seoul

Cheapest flights from Northern Ireland to SeoulExplore the most affordable flight options available from Northern Ireland to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Explore the most affordable flight options available from Northern Ireland to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Seoul that are best for you.

Best time to book a flight from Northern Ireland to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Northern Ireland with our price prediction graph.

Cheapflights Insights

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

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated 3 July 2025.

Read through reviews of airlines operating flights from Northern Ireland to Seoul, such as KLM. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

What is the cheapest month to book a flight from Northern Ireland to Seoul?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Northern Ireland to Seoul

See prices for flight routes from nearby airports that may be better suited for you.

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 Northern Ireland to Seoul?

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Seoul?

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Northern Ireland to Seoul
Explore the most affordable flight options available from Northern Ireland to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.