Barcelona to Irkutsk: buy now or wait?
Typical one-way fare Barcelona→Irkutsk: €318 (median of 24 daily lowest fares we tracked); under €270 is a good price; cheapest month: December; book 42–55 days ahead.
Cheaper than 8% of what we have seen
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All fares Barcelona → Irkutsk
Cheapest first. Every price is live and goes straight to booking.
What the history says
Based on 54 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: €318 typical, on 15 observations. That is about €29 less than booking in the last two weeks.
Cheapest months to fly to Irkutsk
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 (110,945 flights on 21,717 routes, 2026-06-14 to 2026-11-10), that window had the smallest average premium over each flight's lowest fare: +16.3%, against +48.8% in the last 3 days.
- Are flights getting more expensive?
- Not right now. The Piratefly monthly Fare Index stands at 98.5 in 2026-11 (month in progress), against 100 in 2026-08: comparable flights are 1.5% cheaper than then, measured on the same routes month to month.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.9% and Tuesday +4.2%, while Friday was the dearest at +10.4%. Weekend departures cost more than midweek ones.
Price drops on Telegram
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