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Tokyo Narita skyline — flights from Bangkok from €175, cheapest in November

Bangkok to Tokyo Narita: buy now or wait?

Typical one-way fare Bangkok→Tokyo Narita: €160 (median of 22 daily lowest fares we tracked); under €136 is a good price; cheapest month: November; book 28–41 days ahead.

Your call FareScore 41/100
THB 6,555 ≈ €175 Today's best fare

Cheaper than 41% of what we have seen

18 Nov Thai AirAsia X Direct
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What the history says

Prices recorded 1,407
Typical price €160
Lowest we saw €141

Based on 1,407 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: €183 typical, on 146 observations. That is about €21 less than booking in the last two weeks.

Cheapest months to fly to Tokyo Narita

November €186 256 observations
October €201 1,131 observations
September €270 20 observations

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.
How much does a flight in Europe cost?
€113 one way at the median, across 28,189 routes within Europe (fares observed 2026-06-14 to 2026-11-08). The cheapest countries to fly to were Albania (€57.75), Malta (€64), Italy (€75.5); the dearest Belarus (€299) and Russia (€290).
Are flights getting more expensive?
Not right now. The Piratefly monthly Fare Index stands at 98.1 in 2026-11 (month in progress), against 100 in 2026-08: comparable flights are 1.9% cheaper than then, measured on the same routes month to month.

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