When to book

When to book flights from United Kingdom to London

The observed United Kingdom–London booking curve: what fares cost at each booking distance, and whether the weekday matters.

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Fares shown in EUR, observed from live searches.

This is the United Kingdom–London booking curve from real observed fares: the typical price at each distance before departure, and the measured weekday effect. It answers "when should I book?" for this route specifically — not with folklore, with the route's own data.

Fares by booking window

United Kingdom to London has a booking sweet spot: fares booked 2–6 weeks before have been the cheapest, typically 46% below the priciest window.

Booking windowTypical fareGreat fare (p10)
0–2 weeks before€130€79
2–6 weeks beforeCheapest€81€63
6–12 weeks before€126€72
3+ months before€150€98
Cheapest window
2–6 weeks before
Booking-window saving
46%
Cheapest departure day
Tuesday
Weekday effect
~23%

Computed from 8,840 observed fares (cheapest bookable fare per departure date, at every booking distance our crawler saw). Curves describe the past — they shift with season and demand.

Does the departure day matter?

Yes, somewhat: Tuesday departures have had the lowest typical fare on United Kingdom to London, and weekday choice moves the median by up to 23%.

Departure dayTypical fare
Monday€113
TuesdayCheapest€109
WednesdayCheapest€109
ThursdayCheapest€109
Friday€124
Saturday€142
Sunday€115

Frequently asked questions

How far in advance should I book flights from United Kingdom to London?

Based on observed fares, the cheapest United Kingdom–London bookings were made 2–6 weeks before — typically 46% below the most expensive window. The full curve is in the table above.

Is it cheaper to fly United Kingdom to London on a specific day?

Tuesday departures have had the lowest typical fare, and weekday choice has moved the median by up to 23% on this route.

Do United Kingdom to London fares drop last minute?

The table above shows what the 0–2-week window has actually cost on this route — on most routes it's the most expensive window, not a bargain bin.

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