Direct (nonstop) flights from Seoul to Osaka

10 airlines fly nonstop from Incheon International Airport (ICN) to Kansai International Airport (KIX). It's 535 miles (861 km), about 1h 50m in the air. Operated by Jeju Air, Air Busan, Korean Air and others.

ICN
Incheon International Airport
🇰🇷 Seoul, Republic of Korea
KIX
Kansai International Airport
🇯🇵 Osaka, Japan
Flight Time
1h 50m
Distance
535 mi
861 km
CO₂/pax
99 kg
−28 kg vs. layover
Airlines
10
Jeju Air +9
Time Diff
Same timezone
Operated by Jeju Air Jeju Air Air Busan Air Busan Korean Air Korean Air Jin Air Jin Air Peach Aviation Peach Aviation Asiana Airlines Asiana Airlines +4 more

Route data last updated: May 24, 2026

Airlines with non-stop flights

Jeju Air 7C Jeju Air
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
Air Busan BX Air Busan
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
Korean Air KE Korean Air
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
Jin Air LJ Jin Air
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
Peach Aviation MM Peach Aviation
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
Asiana Airlines OZ Asiana Airlines
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
Air Seoul RS Air Seoul
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
T´Way Air TW T´Way Air
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
Thai Smile WE Thai Smile
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi
Eastar Jet ZE Eastar Jet
Route
ICN → KIX
Flight Time
1h 50m
Distance
535 mi

Alternative Routes

Other ways to fly from Seoul to Osaka with one stop · direct emits 99 kg CO₂ per passenger

ICN TAE (Daegu) KIX
Leg 1: 1h 5m (162 mi) Leg 2: 1h 30m (387 mi) Total: ~2h 35m 🍃 127 kg CO₂ (+28% vs. direct)
Leg 1
ICN → TAE
1h 5m · 162 mi
View ICN to TAE flights →
Leg 2
TAE → KIX
1h 30m · 387 mi
View TAE to KIX flights →
ICN PUS (Busan) KIX
Leg 1: 1h 10m (210 mi) Leg 2: 1h 30m (361 mi) Total: ~2h 40m 🍃 131 kg CO₂ (+32% vs. direct)
Leg 1
ICN → PUS
1h 10m · 210 mi
View ICN to PUS flights →
Leg 2
PUS → KIX
1h 30m · 361 mi
View PUS to KIX flights →
ICN FUK (Fukuoka) KIX
Leg 1: 1h 30m (349 mi) Leg 2: 1h 15m (281 mi) Total: ~2h 45m 🍃 142 kg CO₂ (+43% vs. direct)
Leg 1
ICN → FUK
1h 30m · 349 mi
View ICN to FUK flights →
Leg 2
FUK → KIX
1h 15m · 281 mi
View FUK to KIX flights →
ICN KMI (Miyazaki) KIX
Leg 1: 1h 40m (478 mi) Leg 2: 1h 8m (282 mi) Total: ~2h 48m 🍃 166 kg CO₂ (+68% vs. direct)
Leg 1
ICN → KMI
1h 40m · 478 mi
View ICN to KMI flights →
Leg 2
KMI → KIX
1h 8m · 282 mi
View KMI to KIX flights →
ICN NGS (Nagasaki) KIX
Leg 1: 1h 30m (370 mi) Leg 2: 1h 20m (324 mi) Total: ~2h 50m 🍃 153 kg CO₂ (+55% vs. direct)
Leg 1
ICN → NGS
1h 30m · 370 mi
View ICN to NGS flights →
Leg 2
NGS → KIX
1h 20m · 324 mi
View NGS to KIX flights →

Looking for the return flight?

KIX → ICN: Flights from Osaka to Seoul

Frequently Asked Questions

How long is the direct flight from Seoul to Osaka?

A nonstop flight from Seoul (ICN) to Osaka (KIX) takes approximately 1 hours and 50 minutes. The distance is 535 miles (861 km).

Which airlines fly nonstop from Seoul to Osaka?

10 airlines: Jeju Air, Air Busan, Korean Air, Jin Air, Peach Aviation, Asiana Airlines, Air Seoul, T´Way Air, Thai Smile, Eastar Jet.

Is there a nonstop flight from Seoul to Osaka?

Yes. 10 airlines: Jeju Air, Air Busan, Korean Air, Jin Air, Peach Aviation, Asiana Airlines, Air Seoul, T´Way Air, Thai Smile, Eastar Jet.

How far is Seoul from Osaka?

The flight distance from Seoul to Osaka is 535 miles (861 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Seoul to Osaka?

At 1h 50m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

Do I need a visa to travel from Republic of Korea to Japan?

Depends on your passport. Check with the Japan embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Seoul to Osaka?

Roughly 99 kg CO2 per passenger one-way. That's about the same as driving 495 km.

Is the return flight from Osaka to Seoul also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Seoul to Osaka?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Incheon International Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.