Madrid to London: buy now or wait?
Typical one-way fare Madrid→London: €15 (median of 47 daily lowest fares we tracked); under €13 is a good price; cheapest month: December; book 28–41 days ahead.
Cheaper than 28% of what we have seen
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All fares Madrid → London
Cheapest first. Every price is live and goes straight to booking.
What the history says
Based on 625 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: €16 typical, on 88 observations. That is about €12 less than booking in the last two weeks.
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 (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.
- 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 -1.3% against the route's own median, while January 2027 was the dearest at +22.8%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-10.
- 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.
Price drops on Telegram
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