Cheap flights from Boston to San Diego
From 353 USD — compare hundreds of airlines
About this route
Compare flights from Boston to San Diego, a about 4,150 km route (around 5h 41m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as jetBlue operate this route.
Airlines on this route
FAQ
What's the cheapest month to fly Boston to San Diego?
Prices vary by season; use the price calendar to find the cheapest month.
How long is the flight from Boston to San Diego?
A nonstop flight takes about 5h 41m and covers around 4,150 km. Connecting itineraries take longer.
Are there direct flights from Boston to San Diego?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Boston to San Diego?
jetBlue operate this route, among others. Compare them all in the results.
When should I book Boston–San Diego flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.