Cheap flights from Boston to San Diego
The best prices from Boston Logan Intl to San Diego are usually found in January or May, booked 53 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Boston to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 February 2025.
Popular in | December |
|---|---|
Cheapest in | January |
Average price | C$ 546 |
Good round-trip deal | C$ 568 or less |
Best time to book a flight from Boston to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Boston with our price prediction graph.
Travel insights for flights from Boston to San Diego
Get recent, data-driven insights about flights from Boston to San Diego including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Boston to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from Boston to San Diego. Price data was last updated on 25 February 2025.
The best time to book flights from Boston to San Diego is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Boston to San Diego?
Currently, January is the cheapest month in which you can book a flight from Boston to San Diego (average of C$ 301). Flying from Boston to San Diego in April is currently the most expensive (average of C$ 469). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOS to SAN?
Find hourly flight availability from Boston to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 February 2025.
It’s optimal to fly from Boston to San Diego at noon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.
Weekly flight availability from Boston to San Diego
Explore weekly flight availability from Boston to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 27 February 2025.
The most flights from BOS to SAN are scheduled on a Thursday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
Rainfall in San Diego by month
Plan your trip to San Diego by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 mm per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.
Temperature in San Diego by month
Plan your trip to San Diego by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).
Related info for your journey
Find useful and relevant information for your journey from Boston to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Boston to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Boston to San Diego
Discover the top 2 airlines that operate flights from Boston to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 27 February 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Boston to San Diego?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Boston to San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Boston to San Diego?
Cheapflights simply makes it quick and affordable to book flights from Boston to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Boston to San Diego with no change fees?
Yes, we can. To see specific flights from Boston to San Diego with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Boston to San Diego become cheaper?
Of course! You can now track prices for flights from Boston to San Diego and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.