FFL Helper

FFL Helper / Boston / San Diego

BOS → SAN

Boston to San Diego

Compare one-way fares for flights from Boston to San Diego.

Lowest fare $122
Distance 2,579 mi
Flight time 5h 55m
Airports BOS–SAN
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By month: August 2026 from $230 · September 2026 from $122

Price calendar

August 2026

From $230 · up to $262

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24 $234 25 $235 26 $235 27 $236 28 $234 29 $262 30 $230
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September 2026

From $122 · up to $132

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9 $132 10 $127 11 $127 12 $127 13 $127 14 $127 15 $127 16 $127 17 $127 18 $127 19 $127 20 $127 21 $127 22 $122
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Upcoming dates

San Diego SAN

$122

Sep 22, 9:05am · 5h 55m · 0 stops

BOS → SAN · Southwest Airlines

Tickets

About this route

This calendar shows dated one-way fares from Boston to San Diego. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Boston to San Diego.