Chicago to Belgrade: buy now or wait?
Typical one-way fare Chicago→Belgrade: €333 (median of 40 daily lowest fares we tracked); under €283 is a good price; cheapest month: November; book 28–41 days ahead.
Cheaper than 77% of what we have seen
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All fares Chicago → Belgrade
Cheapest first. Every price is live and goes straight to booking.
What the history says
Based on 101 prices we recorded on this exact route, compared against the same departure month.
Best booking window
28–41 days — is when this route has been cheapest to book: €316 typical, on 15 observations. That is about €55 less than booking in the last two weeks.
Cheapest months to fly to Belgrade
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.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.8% and Tuesday +4.3%, while Friday was the dearest at +10.4%. Weekend departures cost more than midweek ones.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.8% and Tuesday +4.3%, while Friday was the dearest at +10.4%. Weekend departures cost more than midweek ones.
Price drops on Telegram
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