Flight booking timing · LHR → TYO

When should you book flights from London Heathrow to Tokyo (all airports)?

Should you book now?

Use the month-by-month table below to plan when to book.

A planning guide for this route

For peak-season travel, use 120–180 days ahead as a starting point. For quieter dates, the initial window is 60–120 days. These are planning rules, not measured fare minima.

Holiday periods can limit availability. Planning ahead gives you time to compare your options; seasonal bands may change within a month.

Within 14 days of travel, consider booking soon if your dates are fixed. Waiting does not guarantee a lower fare.

Month-by-month guide for 2027

Each month shows up to three seasonal bands. Where dates change more often, the bands present are listed without continuous date ranges. Seasons and booking windows are approximate.

Month	Departure dates, season and when to book
January	1–4: Peak season 120–180 days before departure 5–20: Low season 60–120 days before departure 21–31: Shoulder season 60–120 days before departure
February	1–28: Shoulder season 60–120 days before departure
March	1–19: Shoulder season 60–120 days before departure 20–31: Peak season 120–180 days before departure
April	1–15: Peak season 120–180 days before departure 16–28: Shoulder season 60–120 days before departure 29–30: Peak season 120–180 days before departure
May	1–6: Peak season 120–180 days before departure 7–31: Shoulder season 60–120 days before departure
June	1–30: Low season 60–120 days before departure
July	1–15: Low season 60–120 days before departure 16–31: Shoulder season 60–120 days before departure
August	1–10: Shoulder season 60–120 days before departure 11–16: Peak season 120–180 days before departure 17–31: Shoulder season 60–120 days before departure
September	1–30: Shoulder season 60–120 days before departure
October	1–31: Shoulder season 60–120 days before departure
November	1–9: Shoulder season 60–120 days before departure 10–30: Peak season 120–180 days before departure
December	1–5: Peak season 120–180 days before departure 6–14: Low season 60–120 days before departure 15–31: Peak season 120–180 days before departure

Questions about booking

When should I book for a peak-season trip to Tokyo (all airports)?

Use 120–180 days before departure as an initial planning window. This is a seasonal heuristic, not an observed fare minimum.

Do flights get cheaper at the last minute?

Fares can change in either direction. Season alone cannot predict a discount; consider your dates and cancellation terms too.

How is this guide worked out?

From typical seasonal demand and days until departure. This phase does not compare live fares.

Plan the trip itself

This is a planning guide based on typical seasonal demand, not on measured fares, and not a price guarantee. Fares and rates can change at any time.

Seasonal rules reviewed: 2026-10-18