Luxembourg to London: buy now or wait?
Typical one-way fare Luxembourg→London: €16 (median of 50 daily lowest fares we tracked); under €14 is a good price; cheapest month: September; book 0–13 days ahead.
Cheaper than 20% of what we have seen
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All fares Luxembourg → London
Cheapest first. Every price is live and goes straight to booking.
What the history says
Based on 505 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: €17 typical, on 163 observations.
Cheapest months to fly to London
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 (105,470 flights on 20,996 routes, 2026-06-14 to 2026-11-08), that window had the smallest average premium over each flight's lowest fare: +16.4%, against +48.8% in the last 3 days.
- Are domestic flights cheaper than international flights?
- Yes. The median one-way fare on a domestic route was €119, against €159 for international flights within the same continent and €268 for intercontinental ones (78,251 routes, fares observed 2026-06-14 to 2026-11-08).
- 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 +10.3%. Weekend departures cost more than midweek ones.
Price drops on Telegram
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