Your next trip, last seen at €96
Lowest observedAlaska Airlines · Non-stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
Short answer
We have seen JetBlue fares from Boston to San Diego, non-stop. The lowest fare our own searches returned is €96, seen on 3 Oct 2026. The average across the fares we caught is €187. October 2026 is the cheapest month in our observations, at €96. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Short answer
We have seen JetBlue fares from Boston to San Diego, non-stop. The lowest fare our own searches returned is €96, seen on 3 Oct 2026. The average across the fares we caught is €187. October 2026 is the cheapest month in our observations, at €96. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
About this route
Explore the fares we observed from Boston to San Diego. Prices move often, so pick your dates to see the latest options.
- Route distance
- 4,150 km
- Reported fastest flight
- 6h 09m
- Airlines seen
- JetBlue, Alaska Airlines, United Airlines
- Alternative airports
- PSM, CLD
Route-level information; individual journeys vary.
Published schedules report non-stop service with JetBlue. Check current timetables.
A clearer picture of your fare
Frequently asked
How much is a flight from Boston to San Diego?
The lowest fare we have observed is €96, found on 3 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Boston to San Diego?
In our observations October 2026 is the cheapest month so far, at €96.
Are there direct flights from Boston to San Diego?
Yes. We have seen non-stop flights on this route, flown by JetBlue.
Which airlines fly from Boston to San Diego?
These are the carriers we have seen on the route: JetBlue, Alaska Airlines, United Airlines.
How long does the flight from Boston to San Diego take?
The average journey time across the 81 fares we observed is 7h 10m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Boston to San Diego fares were non-stop?
82 of the 92 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 10 Oct 2026