Flare data

When to book flights

How far ahead the biggest fare drops appear, measured on 41,275 fares Flare found

Updated 22 October 2026

The short answer

The deepest discounts appeared 31 to 60 days before departure: 15.6 % below the usual price on average. Within two weeks of departure the average drop falls to 11.3 %, and more than 180 days out it is 9.4 %.

Distance changes the window: under 1,500 km (short haul): 31 to 60 days (14.1 %), 1,500 to 3,000 km: 31 to 60 days (20.1 %), 3,000 to 6,000 km: 91 to 180 days (18.2 %), over 6,000 km (long haul): 91 to 180 days (12.5 %).

The weekday you book does not matter in Flare's data, the departure weekday matters a little: see the cheapest day to fly.

Best time to book: days before departure

Days before departureAverage discount vs usual priceMedian discountFares observed
0 to 7 days11.5 %5.9 %5,878
8 to 14 days11 %5.2 %4,985
15 to 30 days14.7 %9.7 %5,760
31 to 60 days15.6 %10.7 %8,223
61 to 90 days14.1 %8.4 %5,751
91 to 180 days14.7 %10.6 %7,200
more than 180 days9.4 %0 %3,478

Fares found by Flare in its last scans (286 departure markets, 41,275 fares), grouped by the number of days between the scan and the departure date.

By flight distance

DistanceBest windowDiscount in that windowFares in that windowFares observed
under 1,500 km (short haul)31 to 60 days14.1 %2,58511,174
1,500 to 3,000 km31 to 60 days20.1 %2,33610,217
3,000 to 6,000 km91 to 180 days18.2 %1,5658,333
over 6,000 km (long haul)91 to 180 days12.5 %2,87311,511

By destination region

DestinationBest windowDiscount in that windowFares in that windowFares observed
Europe31 to 60 days17.9 %4,10916,795
North America15 to 30 days15.8 %4003,154
Caribbean and Central America91 to 180 days10.4 %2221,120
South America91 to 180 days13 %6252,113
Middle East91 to 180 days16.7 %4642,878
Asia91 to 180 days15.5 %2,07710,190
Africa15 to 30 days14.1 %4924,097
Oceania91 to 180 days13.6 %263894

All departure markets combined. A window is shown only when it holds at least 100 fares.

By departure month

Departure monthAverage discountFares observedAverage days ahead
October 202611.1 %8,8476
November 202614.8 %10,50024
December 202613.9 %7,93655
January 202716.2 %4,73685
February 202715.4 %1,641114
March 202714.8 %3,232142
April 202710.4 %1,258175
May 202711.4 %948204
June 20277.9 %1,027234
July 20278 %661265
August 20278.9 %489295

Months with at least 300 fares. Far-off months are seen further ahead, where discounts are shallower: compare the discount with the average lead, not only month to month.

Flights departing in November 2026

Fares departing in November 2026 seen by Flare in the last 3 days: 14.8 % below the usual price on average over 10,500 fares, booked 24 days ahead on average. For comparison, October 2026 departures sit at 11.1 % and December 2026 departures at 13.9 %.

How these numbers are measured

For each departure market, Flare keeps the best fares its scanner found in the last 3 days. Each fare carries a price, the usual price of its route and a departure date. The lead is the number of days between the scan and the departure. The discount is 1 minus price over usual price.

Cells with fewer than 100 fares are not shown, buckets and months with fewer than 300. Distances are great-circle distances between airports, regions follow the destination country.

Observations, not guarantees. Every number on this page is an observation from the fares Flare scans for its alerts. The usual price is Flare's own reference for each route, measured from its daily scans, and a discount is how far below that reference a fare Flare found was. Nothing here is a quote or a guarantee: check the final price with the provider before paying.

FAQ

How far in advance should I book a flight?

In Flare's data the deepest discounts appear 31 to 60 days before departure (15.6 % below the usual price). Short flights under 1,500 km peak 31 to 60 days, long-haul flights over 6,000 km 91 to 180 days. Booking earlier than 180 days rarely helps: 9.4 % on average.

Is it cheaper to book flights last minute?

Rarely. Within 14 days of departure the average discount is 11.3 %, against 15.6 % in the best window. Last-minute drops exist, but they are the exception, not the rule.

When should I book flights for November 2026?

Fares departing in November 2026 are currently 14.8 % below the usual price on average (10,500 fares), with an average lead of 24 days. For comparison, October 2026 departures sit at 11.1 % and December 2026 departures at 13.9 %. Book when a fare for your route is clearly below its usual price rather than on a fixed date.

When should I book flights to Europe?

For destinations in Europe, the deepest discounts appeared 31 to 60 days before departure (17.9 % on 4,109 fares). Flare mostly scans from European and North American markets, so most of these fares are short and medium haul.

Does the day of the week I book matter?

No. Across 20,932 routes followed every day, the price index moves by 0.5 points between the cheapest and the dearest booking weekday. The departure weekday moves discounts by 1.4 points. Details on the cheapest day to fly page.

Get the drop when it happens

Flare watches fares from the airports near you and alerts you when one falls well below its usual price, inside the right window or not.

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