Sofia to Kuopio / Siilinjärvi: buy now or wait?
Typical one-way fare Sofia→Kuopio / Siilinjärvi: €157 (median of 21 daily lowest fares we tracked); under €133 is a good price; book 42–55 days ahead.
Your call FareScore 38/100
€157 Today's best fare
Cheaper than 38% of what we have seen
17 Dec Ryanair With a stop
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What the history says
Prices recorded 21
Typical price €157
Lowest we saw €157
Based on 21 prices we recorded on this exact route, compared against the same departure month.
Best booking window
42–55 days — is when this route has been cheapest to book: €157 typical, on 13 observations.
Cheapest months to fly to Kuopio / Siilinjärvi
December €157 21 observations
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1.5–2 months before departure. Tracking the same flights at every lead time (103,225 flights on 20,679 routes, 2026-06-14 to 2026-11-07), that window had the smallest average premium over each flight's lowest fare: +16.4%, against +48.9% in the last 3 days.
- Are last-minute flights cheaper?
- No. In the last 3 days before departure the same flight cost on average 48.9% more than its cheapest observed fare. Comparing 31,368 flights seen both 3–4 weeks and under a week out, the late fare was higher 67% of the time (median +9.7%).
- 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 -1.2% against the route's own median, while January 2027 was the dearest at +25.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-07.
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