Q: How much does it cost for a return flight from Boston to San Diego?

Airfare is below average for this route at the moment. Boston to San Diego flights typically cost between £197 and £345 in September. The cheapest return flight price found within the last 3 days was £175 on Delta (20 Sept-27 Sept).

Question 1

How much does it cost for a return flight from Boston to San Diego?

Accepted Answer

Airfare is below average for this route at the moment.Boston to San Diego flights typically cost between £197 and £345 in September.
The cheapest return flight price found within the last 3 days was £175 on Delta (20 Sept-27 Sept).

Question 2

How popular is this Boston to San Diego flight route?

Accepted Answer

Flights from Boston Logan Intl to San Diego have been viewed 1 times in the past calendar month.

Question 3

How long is the flight from Boston to San Diego?

Accepted Answer

Departing from Boston to San Diego will take you 6h 19m. The distance between Boston and San Diego is about 2581 mi. All flights are typically direct.

Question 4

How far ahead should I book a flight from Boston to San Diego?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Boston to San Diego, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 5

What is the cheapest month to book a flight from Boston to San Diego?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Boston to San Diego (average of £585). Flying from Boston to San Diego in July is currently the most expensive (average of £920). 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.

Question 6

Weekly flight availability from Boston to San Diego

Accepted Answer

The most flights from BOS to SAN are scheduled on a Thursday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches 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.

Question 8

E

Accepted Answer

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).

Question 9

What are the most reliable airlines from Boston to San Diego?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to San Diego on time: Etihad Airways (95%), Icelandair (93%), TAP AIR PORTUGAL (93%).

Question 10

How far in advance should I book a flight from Boston to San Diego?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 36 days in advance, which can save you up to 96% on flights from Boston to San Diego compared to booking the week you need them. Waiting 36 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £333. For sooner than that we have options available in the next 3 days from £542.

Question 11

What is the cheapest month to fly from Boston to San Diego?

Accepted Answer

January is one of the best times of the year to fly to San Diego from Boston. Prices for January average £277 per person but you can even find prices for as low as £84. The most expensive prices can be found in the month of December. Opting for a January flight can save you 25% on your journey compared to booking in December

Question 12

What is the cheapest time of day to fly from BOS to SAN?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to San Diego as you normally would.

Question 13

Can I find deals for flights from Boston to San Diego that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Boston to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Boston to San Diego?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to San Diego.

Question 15

Can I find deals for business class flights from Boston to San Diego?

Accepted Answer

Yes. Cheapflights offers flight deals from Boston to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Boston to San Diego?

Accepted Answer

When you search for this flight from Boston to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Boston to San Diego?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Diego from Boston.

Question 18

Can Cheapflights find flights from Boston to San Diego with no change fees?

Accepted Answer

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.

Question 19

Can Cheapflights notify me if prices for flights from Boston to San Diego become cheaper?

Accepted Answer

Not ready to book yet? You can track prices for flights from Boston to San Diego on Cheapflights with our Price Alert feature and get notified when better prices are available.

Round-trip from	£175
One-way from	£88
Popular in	December
Cheapest in	January
Average price	£273

Cheap flights from Boston to San Diego from £88

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Boston to San DiegoExplore the most affordable flight options available from Boston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Boston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

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Everything you need to know about your flight from Boston to San Diego

How far ahead should I book a flight from Boston to San Diego?

What is the cheapest month to book a flight from Boston to San Diego?

What is the cheapest time of day to fly from BOS to SAN?

How much does it cost for a return flight from Boston to San Diego?

Weekly flight availability from Boston to San Diego

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.

How popular is this Boston to San Diego flight route?

How long is the flight from Boston to San Diego?

What are the most reliable airlines from Boston to San Diego?

Can I find deals for flights from Boston to San Diego that include hotel bookings?

How can I find direct flights from Boston to San Diego?

Can I find deals for business class flights from Boston to San Diego?

What is the cheapest month to book a flight from Boston to San Diego?

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How does Cheapflights help users find flights from Boston to San Diego?

Why should you use Cheapflights to find cheap flight tickets from Boston to San Diego?

Can Cheapflights find flights from Boston to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from Boston to San Diego become cheaper?

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Cheapest flights from Boston to San Diego
Explore the most affordable flight options available from Boston to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.