- Cheapest roundtrip flight
- from€435
- Fastest outbound flight
- Fastest inbound flight
- non-stop flights
- 37x / week
- Flight distance
- 4,160 km
- Time difference
- Most popular airlines
- JetBlue Airways
- Alaska Airlines
- Delta Air Lines
- Southwest Airlines
- JetBlue Airways
Flight schedule from Boston (BOS) to San Diego (SAN)
Select a travel date in the flight schedule for the route from Boston (BOS) to San Diego (SAN) and compare affordable flight deals.
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Matching outbound flightsBOS–SAN · 14 of 14
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durationstopovers
- Sep 27 – Oct 3, 2026
- October 4 – 10, 2026
- October 11 – 17, 2026
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Tips and tricks to help you find cheap flights from Boston to San Diego
Favorite airline: Sun Country Airlines
Most travelers looking for flights on the route from Boston to San Diego decide to book flights with Sun Country Airlines.
Sun Country Airlines
33 %
Spirit Airlines
19 %
United Airlines
15 %
Important flight information
Frequently Asked Questions (FAQ)
How long is the flight from Boston to San Diego?
A nonstop flight from Boston to San Diego typically takes around 6 hours 33 minutes. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 8 hours 18 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.
Are there nonstop flights from Boston to San Diego?
Yes, there are nonstop flights from Boston to San Diego, averaging around 5 to 6 flights per day, operated by, among others, JetBlue Airways, Alaska Airlines and Delta. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.
Which airlines fly from Boston to San Diego?
Direct flights from Boston to San Diego are operated by, among others, JetBlue Airways, Alaska Airlines and Delta. Connecting flights with one stop are also available, for example with American Airlines (via Phoenix - Sky Harbor). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.
On which days are there nonstop flights from Boston to San Diego?
Nonstop flights from Boston to San Diego operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
How many flights are there per day from Boston to San Diego?
From Boston to San Diego, there are on average around 5 to 6 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.
How many flights per week are there from Boston to San Diego?
From Boston to San Diego, there are around 37 to 38 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.
When does the first flight from Boston to San Diego depart?
The earliest nonstop flight from Boston to San Diego usually departs at 6:30 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in San Diego.
When does the last flight from Boston to San Diego depart?
The last nonstop flight from Boston to San Diego usually departs at 6:07 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.