Cheap flights from San Diego to Detroit
Cheapest current fares: $122 in September 2026, 3,143 km direct flight in ~3h 42m.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Diego (SAN) to Detroit (DTW). Refreshed daily.
San Diego (SAN) → Detroit (DTW)
- September 2026 $122
- December 2026 $177
Frequently asked questions
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What is the cheapest month to fly from San Diego to Detroit?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from San Diego (SAN) to Detroit (DTW), with fares starting from $122.
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What is the lowest current fare from SAN to DTW?
The lowest currently-listed fare from San Diego (SAN) to Detroit (DTW) is $122 on 2026-09-09.
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How long is the flight from San Diego to Detroit?
Direct flights from SAN to DTW cover approximately 3,143 km (1,953 miles), with an estimated flight time of 3h 42m. Operating airlines: DL.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.