Seoul to Rayong: buy now or wait?
Wait FareScore 13/100
₩344,116 ≈ €228 Today's best fare
Cheaper than 13% of what we have seen
7 Nov Air Busan With a stop
Usually ₩335,060
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All fares Seoul → Rayong
Cheapest first. Every price is live and goes straight to booking.
7 Nov
10:00
Air Busan · 21h 35m
With a stop
€228
2 Dec
10:00
Air Busan · 21h 35m
With a stop
€239
22 Nov
00:45
Eastar Jet · 28h 50m
With a stop
€245
22 Nov
10:00
Air Busan · 19h 35m
With a stop
€274
10 Jan
17:25
HK Express · 16h 25m
With a stop
€275
4 Dec
06:45
HK Express · 48h 50m
With a stop
€301
4 Dec
10:35
Jin Air · 45h 00m
With a stop
€305
11 Jan
11:30
Eastar Jet · 46h 20m
With a stop
€312
2 Dec
00:45
Eastar Jet · 30h 50m
With a stop
€315
27 Dec
10:15
Jeju Air · 45h 20m
With a stop
€321
28 Dec
02:50
China Eastern · 28h 45m
With a stop
€333
27 Dec
00:45
Eastar Jet · 54h 50m
With a stop
€386
What the history says
Prices recorded 147
Typical price €222
Lowest we saw €209
Based on 147 prices we recorded on this exact route, compared against the same departure month.
Best booking window
14–27 days — is when this route has been cheapest to book: €245 typical, on 40 observations. That is about €45 less than booking in the last two weeks.
Cheapest months to fly to Rayong
November €245 62 observations
December €291 58 observations
October €292 18 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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