San Francisco to Boise: buy now or wait?
Updated : today's best one-way fare San Francisco→Boise is €210, departing 16 Nov with Alaska Airlines.
Wait FareScore 0/100
$232 ≈ €210 Today's best fare
Cheaper than 0% of what we have seen
16 Nov Alaska Airlines Direct
Usually $232
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What the history says
Prices recorded 8
Typical price €210
Lowest we saw €104
Based on 8 prices we recorded on this exact route, compared against every month we have on record.
Best booking window
0–13 days — is when this route has been cheapest to book: €210 typical, on 7 observations.
Cheapest months to fly to Boise
November €210 7 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 (119,654 flights on 22,843 routes, 2026-06-14 to 2026-11-13), that window had the smallest average premium over each flight's lowest fare: +16%, against +48.8% in the last 3 days.
- Is it cheaper to book flights months in advance?
- Not much. Booking 2–3 months ahead cost on average 20.7% more than the same flight's lowest fare, more than at 1.5–2 months (+16%). On 32,078 flights seen both 2–3 months and 3–4 weeks out, the early fare was higher 44.4% of the time: a coin toss.
- Are domestic flights cheaper than international flights?
- Yes. The median one-way fare on a domestic route was €122, against €162 for international flights within the same continent and €271 for intercontinental ones (81,411 routes, fares observed 2026-06-14 to 2026-11-13).
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