Cheapest€50.29
- Korean Air KA934114:151h 14m15:29Kitakyushu KKJSeoul ICN
Door to door 4h 24mCO2 137.0 kgChanges 0Fixed, no changes
Kitakyushu to Seoul flight
Flights from Kitakyushu to Seoul start at €61.50 and take 4h 20m at their fastest.
The Flights from Kitakyushu to Seoul starts at €61.50 and takes 4h 20m door to door, run by 2 operators over 557 km, with around 5 departures a day. Fares bottom out about 45 days before departure.
- 4h 20mDoor to door
- 1h 10mMoving
- €61.50From
- 137.0 kgCO2
The cheapest and the fastest on September 29, 2026
Two journeys we can sell today, with the service number each operator files them under.
Fastest€59.14
- Korean Air KA585806:281h 10m07:38Kitakyushu KKJSeoul GMP
Door to door 4h 20mCO2 137.0 kgChanges 0Fixed, no changes
Lowest CO2€65.04
- Aero K AK407807:301h 1m08:31Kitakyushu KKJCheongju-si CJJ
- Korea Railroad KR281109:291h10:29Naesu StationSeoul Station
Changes at Cheongju-si, with 58 minutes between services and a walk of about 14 minutes.
Door to door 4h 56mCO2 114.5 kgChanges 1Fixed, no changes
Airlines
Speed, flexibility and what is on board. Nothing here is a rating, because we have not earned one.
| Operator | From |
|---|---|
 Korean Air | €50.29 |
| Jin Air | €50.88 |
That is the traveling done. What happens after you walk out into Seoul is not something we sell.
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When to book Kitakyushu to Seoul
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €62.6890 days
- €46.1660 days
- €43.2145 days
- €52.5830 days
- €62.0921 days
- €61.5014 days
- €73.897 days
- €84.513 days
- €119.911 days
- Cheapest lead time
- Fares bottom out around 45 days ahead, at €43.21.
- How much it moves
- The gap between the cheapest and most expensive lead time is 178 percent. The most expensive point is €119.91, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 45 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €78.44Sun
- €60.28Mon
- €62.68Tue
- €66.33Wed
- €81.19Thu
- €62.09Fri
- €73.30Sat
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Kitakyushu
Air
- KKJ
Seoul
Air
- ICN
- GMP
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- Direct or connecting
- 50% of the services we sell on this corridor run through without a change. The remaining 50% involve one connection.
- How far it really runs
- The route covers 557 km against 541 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
- Where the change is
- Connections are made at Cheongju-si, Fukuoka, Saga, Ōita. The gap between arriving and leaving is 58 minutes, of which about 14 is walking.
- If the connection is missed
- The tightest connection we sell here has a 16 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
- First and last departure
- The first service of the day leaves Kitakyushu at 06:16 and the last at 14:15, across 5 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Questions about Kitakyushu to Seoul
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Flight from Kitakyushu to Seoul take?
The Flight from Kitakyushu to Seoul takes 4h 20m door to door, of which 1h 10m is spent moving. The route runs 557 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Flight from Kitakyushu to Seoul cost?
The Flight from Kitakyushu to Seoul starts at €61.50 for one passenger, checked on September 29, 2026. A typical fare is €59.14. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Flight from Kitakyushu to Seoul?
2 operators run the Flight from Kitakyushu to Seoul: Korean Air, Jin Air. Between them they file around 5 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Flight from Kitakyushu to Seoul use?
The Flight from Kitakyushu to Seoul leaves from Kitakyushu KKJ and arrives at Seoul GMP. Allow about 3h 10m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
When should I book the Flight from Kitakyushu to Seoul?
Fares for the Flight from Kitakyushu to Seoul bottom out around 45 days ahead, at €43.21. The gap between the cheapest and most expensive lead time across the window is 178 percent, measured on September 29, 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Flight from Kitakyushu to Seoul produce?
The Flight from Kitakyushu to Seoul produces about 137.0 kg of CO2 per passenger over 557 km, which works out at roughly 246 grams per passenger kilometer. That figure is for the whole journey and for one traveler, not for the vehicle.
Where these numbers come from
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Schedules, seat counts and fares are generated by our own model until the supplier contracts are signed. Places, coordinates, operators, which operator serves which pair, and every distance are real. We would rather say that on every page than let a modeled number pass for a filed one.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Kitakyushu to Seoul on September 11, 2026: 557 km of route against 541 km in a straight line, 5 services a day, 2 operators, a cheapest fare of €61.50, and 4h 20m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
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