Flights to Seoul

€319 Cheap flights to Seoul

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Seoul departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Seoul

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:40 - 11:55
DUB
-
ICN
20h 15m
2 stops
Multiple Airlines Logo
16:40 - 19:10
ICN
-
DUB
35h 30m
3 stops
€478Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
Multiple Airlines Logo
06:55 - 20:45
DUB
-
ICN
28h 50m
2 stops
Multiple Airlines Logo
18:25 - 19:05
ICN
-
DUB
33h 40m
2 stops
€493Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
06:40 - 11:55
DUB
-
ICN
20h 15m
2 stops
Multiple Airlines Logo
16:40 - 19:10
ICN
-
DUB
35h 30m
3 stops
€504Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
Multiple Airlines Logo
06:40 - 15:50
DUB
-
ICN
24h 10m
3 stops
Multiple Airlines Logo
16:20 - 19:10
ICN
-
DUB
35h 50m
2 stops
€507Multiple Airlines
Thu, 5 Mar - Wed, 18 Mar
Scandinavian Airlines Logo
12:30 - 19:00
DUB
-
ICN
21h 30m
1 stop
Scandinavian Airlines Logo
23:45 - 11:45
ICN
-
DUB
21h 00m
1 stop
€543Scandinavian Airlines
Thu, 5 Mar - Wed, 18 Mar
Etihad Airways Logo
08:05 - 21:55
DUB
-
ICN
28h 50m
1 stop
Etihad Airways Logo
17:45 - 18:55
ICN
-
DUB
33h 10m
1 stop
€544Etihad Airways
Tue, 10 Mar - Wed, 1 Apr
Multiple Airlines Logo
12:00 - 13:50
DUB
-
ICN
17h 50m
1 stop
Multiple Airlines Logo
12:50 - 07:00
ICN
-
DUB
26h 10m
1 stop
€546Multiple Airlines
Sat, 2 May - Fri, 15 May
Scandinavian Airlines Logo
11:15 - 19:00
DUB
-
ICN
22h 45m
2 stops
Scandinavian Airlines Logo
23:45 - 11:45
ICN
-
DUB
21h 00m
1 stop
€552Scandinavian Airlines
Thu, 5 Mar - Wed, 18 Mar
KLM Logo
06:15 - 16:55
ORK
-
ICN
25h 40m
1 stop
KLM Logo
11:40 - 23:30
ICN
-
ORK
19h 50m
2 stops
€651KLM
Wed, 11 Mar - Wed, 1 Apr
KLM Logo
17:15 - 10:30
ORK
-
ICN
32h 15m
2 stops
KLM Logo
11:40 - 23:30
ICN
-
ORK
19h 50m
2 stops
€686KLM
Wed, 11 Mar - Wed, 1 Apr

momondo Fare Finder

 
Locate flights to Seoul that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 19 January 2026.
Use the filters below to find and compare flights to Seoul that are best for you.

Fly from

Route

Depart

Return

Price

DublinIncheon

DUB - ICN

DUBICN

Dublin

Thu 5/3

06:40-11:55

2 stops20h 15m

Incheon Intl

Thu 12/3

16:40-19:10

3 stops35h 30m

€478

DublinIncheon

DUB - ICN

DUBICN

Dublin

Tue 3/3

06:55-20:45

2 stops28h 50m

Incheon Intl

Tue 10/3

18:25-19:05

2 stops33h 40m

€493

DublinIncheon

DUB - ICN

DUBICN

Dublin

Thu 5/3

06:40-11:55

2 stops20h 15m

Incheon Intl

Thu 12/3

16:40-19:10

3 stops35h 30m

€504

DublinIncheon

DUB - ICN

DUBICN

Dublin

Thu 5/3

06:40-15:50

3 stops24h 10m

Incheon Intl

Wed 18/3

16:20-19:10

2 stops35h 50m

€507

DublinIncheon

DUB - ICN

DUBICN

Dublin

Thu 5/3

12:30-19:00

1 stop21h 30m

Incheon Intl

Wed 18/3

23:45-11:45

1 stop21h 00m

€543

DublinIncheon

DUB - ICN

DUBICN

Dublin

Tue 10/3

08:05-21:55

1 stop28h 50m

Incheon Intl

Wed 1/4

17:45-18:55

1 stop33h 10m

€544

DublinIncheon

DUB - ICN

DUBICN

Dublin

Sat 2/5

12:00-13:50

1 stop17h 50m

Incheon Intl

Fri 15/5

12:50-07:00

1 stop26h 10m

€546

DublinIncheon

DUB - ICN

DUBICN

Dublin

Thu 5/3

11:15-19:00

2 stops22h 45m

Incheon Intl

Wed 18/3

23:45-11:45

1 stop21h 00m

€552

CorkIncheon

ORK - ICN

ORKICN

Cork

Wed 11/3

06:15-16:55

1 stop25h 40m

Incheon Intl

Wed 1/4

11:40-23:30

2 stops19h 50m

€651

CorkIncheon

ORK - ICN

ORKICN

Cork

Wed 11/3

17:15-10:30

2 stops32h 15m

Incheon Intl

Wed 1/4

11:40-23:30

2 stops19h 50m

€686

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

Seoul flights insights and trends

Explore insights for your Seoul flight to craft the best travel plan

What is the cheapest month to fly to Seoul?

The cheapest month to fly to Seoul from Ireland is in January. Flight prices, which tend to average around €547, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Seoul, with average flight prices from Ireland averaging around €594.

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around €692 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Ireland for as low as €417 on momondo.

Cheapest flights to Seoul

Find the cheapest flights to Seoul from your nearest city or airport
CHEAPEST MONTH TO FLY TO SEOUL FROM DUBLINJanuary21% cheaperFlying from Dublin to Seoul costs on average just €547 in January
MOST EXPENSIVE MONTH TO FLY TO SEOUL FROM DUBLINJuly26% more expensiveIt costs about €866 for flights to Seoul from Dublin in July
MOST POPULAR MONTH TO FLY TO SEOUL FROM DUBLINMarch857% more users visitedMore momondo users searched in flights to Seoul from Dublin in March than any other month

Cheap Seoul flight deals and tips

Summary info about Seoul flight prices, duration and airlines

Best One-Way Price

€319

Best Round-Trip Price

€478

Fastest flight time

40h 30m

Popular in

July
The best one-way flight price to Seoul from Ireland in the last 72 hours is €319 (Dublin to Incheon Intl).
The best round-trip flight price to Seoul from Ireland in the last 72 hours is €478 (Dublin to Incheon Intl).
The fastest flight to Seoul from Ireland takes 40h 30m (Dublin to Seoul Gimpo Intl).
July has the highest demand for flights to Seoul, with a 12% price increase on average.

Frequently asked questions about flying to Seoul

What is there to do in Seoul when it’s raining?

Users planning a flight to Seoul during the months of May, June, or July should anticipate rain. There are still things to do in Seoul even when it's raining, though. Many tourists kill time during rain and storms by going to shopping centres in the area, like Lotte Young Plaza Myungdong.

How far in advance should I book a flight to Seoul?

We recommend purchasing flights from Ireland to Seoul 64 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Seoul for €685. Keep in mind that you might be able to find cheaper flights to Seoul at any time. In fact, our users found flights for as low as €543 in the past 72 hours.

Is there an alternative airport near Seoul?

Those flying to Seoul could potentially find better pricing at Seoul Gimpo Intl Airport (17 km from Seoul city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Seoul?

You can find deals at Seoul Gimpo Intl Airport for €243 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Seoul?

€128 is the cheapest deal found on momondo in the last two weeks for a flight to Seoul. This flight is from Tokyo and is 47% cheaper than most flights to Seoul. To find the cheapest price to Seoul from your area, use momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Gangnam-gu?

Yes, you can get a flight to Seoul Gimpo Intl airport in Seoul (22.9 km from Gangnam-gu).

What’s the closest airport to Bosingak Belfry?

The airport which is nearest to Bosingak Belfry is Seoul Gimpo Intl. It is 16.1 km away and is in Seoul.

When did momondo last update prices for flights to Seoul?

Prices for flights to Seoul are refreshed on a daily basis.

How many operators does momondo search for flights to Seoul?

How old do you have to be to fly to Seoul?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Seoul.

What documentation or ID do you need to fly to Seoul?

The travel and health documents you'll need for your trip to Seoul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Seoul?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul with this policy.

How can momondo help me find flights to Seoul?

momondo helps you find the best flight to Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular Flights to Seoul

Popular routes according to searches in the past day on momondo