Seoul to Osaka: buy now or wait?
Wait FareScore 11/100
₩99,612 ≈ €66 Today's best fare
Cheaper than 11% of what we have seen
30 Nov Trinity Airways Direct
Usually ₩83,010 Cheapest in September (~₩67,918)
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All fares Seoul → Osaka
Cheapest first. Every price is live and goes straight to booking.
30 Nov
11:20
Trinity Airways · 1h 50m
Direct
€66
17 Nov
11:20
T'way Air · 1h 50m
Direct
€67
8 Dec
06:20
Air Seoul · 1h 40m
Direct
€67
15 Dec
06:05
Eastar Jet · 1h 55m
Direct
€69
28 Jan
11:20
Trinity Airways · 1h 50m
Direct
€69
17 Nov
06:05
Air Busan · 1h 55m
Direct
€70
17 Nov
06:05
Eastar Jet · 1h 55m
Direct
€71
22 Dec
05:10
Trinity Airways · 1h 45m
Direct
€71
26 Dec
06:05
Eastar Jet · 1h 55m
Direct
€71
27 Dec
06:05
Eastar Jet · 1h 55m
Direct
€71
17 Nov
04:40
Jeju Air · 1h 45m
Direct ↓1%
€73 €72
1 Dec
06:05
Eastar Jet · 1h 55m
Direct
€72
What the history says
Prices recorded 2,045
Typical price €55
Lowest we saw €49
Based on 2,045 prices we recorded on this exact route, compared against the same departure month.
Best booking window
0–13 days — is when this route has been cheapest to book: €48 typical, on 230 observations.
Cheapest months to fly to Osaka
September €45 65 observations
October €53 553 observations
November €66 627 observations
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (94,914 flights on 19,442 routes, 2026-06-14 to 2026-11-04), that window had the smallest average premium over each flight's lowest fare: +16.8%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.4% and Tuesday +4.2%, while Friday was the dearest at +10.6%. Weekend departures cost more than midweek ones.
- What is the cheapest month to fly?
- November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +17.5%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-04.
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