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 September 2026 was the dearest at +6.3%. Covers September 2026, October 2026, November 2026, December 2026; fares observed 2026-06-14 to 2026-10-30.
Piratefly price data, updated 2026-10-31 · 4,928,479 fares observed 2026-06-14 → 2026-10-30 · CC BY 4.0
The numbers
- September 2026: +6.3% vs route median (17,454 routes).
- October 2026: +4.4% vs route median (36,368 routes).
- November 2026: -1.1% vs route median (40,327 routes).
- December 2026: +2.6% vs route median (29,533 routes).
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Source and method
One-way economy fares observed by Piratefly's price tracker, not booking data or surveys. Full method, all charts and CSV: When to book flights — Piratefly research. Open dataset: doi:10.5281/zenodo.23290390. Please credit "Piratefly" with a link to this page.
Check any route live: Fare Index · Piratefly API · MCP server.
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