Cheap flights from San Diego to Boise
Cheapest current fares: $175 in May 2026, 1,208 km direct flight in ~1h 25m.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Diego (SAN) to Boise (BOI). Refreshed daily.
San Diego (SAN) → Boise (BOI)
- May 2026 $175
Frequently asked questions
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What is the cheapest month to fly from San Diego to Boise?
Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from San Diego (SAN) to Boise (BOI), with fares starting from $175.
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What is the lowest current fare from SAN to BOI?
The lowest currently-listed fare from San Diego (SAN) to Boise (BOI) is $175 on 2026-05-31.
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How long is the flight from San Diego to Boise?
Direct flights from SAN to BOI cover approximately 1,208 km (751 miles), with an estimated flight time of 1h 25m. Operating airlines: AS, WN.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.