Washington to Bangkok: buy now or wait?
Your call FareScore 58/100
usually $309 $294 ≈ €261 Today's best fare
Cheaper than 58% of what we have seen
19 Nov Air Premia With a stop
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All fares Washington → Bangkok
Cheapest first. Every price is live and goes straight to booking.
What the history says
Prices recorded 71
Typical price €274
Lowest we saw €251
You save today €13
Based on 71 prices we recorded on this exact route, compared against the same departure month.
Best booking window
14–27 days — is when this route has been cheapest to book: €275 typical, on 15 observations. That is about €97 less than booking in the last two weeks.
Cheapest months to fly to Bangkok
November €275 32 observations
January €338 5 observations
December €346 25 observations
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (94,914 flights on 19,442 routes, 2026-06-14 to 2026-11-04), that window had the smallest average premium over each flight's lowest fare: +16.8%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.4% and Tuesday +4.2%, while Friday was the dearest at +10.6%. Weekend departures cost more than midweek ones.
- 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 -1.1% against the route's own median, while January 2027 was the dearest at +17.5%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-04.
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