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Austin skyline — flights from Boston from €62, cheapest in December

Boston to Austin: buy now or wait?

Updated : Typical one-way fare Boston→Austin: €120 (median of 19 daily lowest fares we tracked); under €102 is a good price; cheapest month: December; book 28–41 days ahead.

Your call FareScore 58/100
usually $133 $69 ≈ €62 Today's best fare

Cheaper than 58% of what we have seen

9 Dec Southwest Airlines Direct
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All fares Boston → Austin

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What the history says

Prices recorded 123
Typical price €120
Lowest we saw €62
You save today €58

Based on 123 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: €81 typical, on 50 observations.

Cheapest months to fly to Austin

December €70 41 observations
November €90 64 observations
October €93 17 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 (116,633 flights on 22,463 routes, 2026-06-14 to 2026-11-12), that window had the smallest average premium over each flight's lowest fare: +16.1%, against +48.8% in the last 3 days.
How much does a flight in Europe cost?
€115 one way at the median, across 29,044 routes within Europe (fares observed 2026-06-14 to 2026-11-12). The cheapest countries to fly to were Albania (€58), Malta (€64.5), Italy (€77); the dearest Belarus (€299) and Russia (€291).
What are the cheapest cities to fly to this winter?
Milan (median €29), London (median €30), Catania (median €32). That is the median one-way fare for departures from 2026-11-01, across 352 cities ranked from fares we observed, counting only cities reachable from at least 50 airports.

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