Cheap flights from Boston to San Diego
Fares from $119 in November 2026. Compare every month below, then book with the site you like.
Search Boston → San Diego flightsCheapest Boston to San Diego fares by month
Lowest price per person found in recent searches. Prices change often and are checked when you book.
- November 2026Nov 10 · one way · Southwest · Direct$119See deal
Boston to San Diego at a glance
- Distance2,582 miles
- Nonstop flight timeabout 6h
- Cheapest monthNovember 2026
- Airport codesBOS → SAN
Plan your San Diego trip
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Frequently asked questions
- How much is a flight from Boston to San Diego?
- The cheapest fare we found recently is $119 per person, departing Nov 10 on Southwest. Prices change daily, so search your dates to see today's fares.
- What is the cheapest month to fly from Boston to San Diego?
- November 2026 is currently the cheapest month, from $119.
- Are there direct flights from Boston to San Diego?
- Yes. Recent searches found nonstop fares from $119.
- Which airlines fly from Boston to San Diego?
- The cheapest recent fares on this route were on Southwest.
- How long is the flight from Boston to San Diego?
- Boston and San Diego are about 2,582 miles apart, so a nonstop flight takes roughly 6h. Flights with a stop take longer, depending on the connection.
- How do I find the cheapest flight from Boston to San Diego?
- Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.
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