Cheap flights from Baltimore to San Diego
Cheapest current fares: $241 in July 2026, 3,686 km direct flight in ~4h 20m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Baltimore (BWI) to San Diego (SAN). Refreshed daily.
Baltimore (BWI) → San Diego (SAN)
- July 2026 $241
Frequently asked questions
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What is the cheapest month to fly from Baltimore to San Diego?
Based on current 6-month forward fare data, July 2026 is the cheapest month to fly from Baltimore (BWI) to San Diego (SAN), with fares starting from $241.
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What is the lowest current fare from BWI to SAN?
The lowest currently-listed fare from Baltimore (BWI) to San Diego (SAN) is $241 on 2026-07-12.
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How long is the flight from Baltimore to San Diego?
Direct flights from BWI to SAN cover approximately 3,686 km (2,290 miles), with an estimated flight time of 4h 20m. Operating airlines: WN.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.