Cheap Flights from Boston Logan International (BOS) to San Diego (SANA)

Compare Boston Logan International to San Diego flight deals

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Compare flight deals from Boston Logan International to San Diego from £72

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to San Diego? If you want to travel next month, return fares start from £153. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boston Logan International to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to San Diego flights are currently cheapest in August.

Direct flights from Boston Logan International to San Diego

Alternative Boston Logan International to San Diego routes

Looking for the cheapest, fastest or easiest route from Boston Logan International to San Diego? You could fly into the following airports instead.

Boston to San Diego: Flight information

The things to know before you go.
Cheapest flight found£72
Cheapest month to flySeptember
Average flight time6 hrs, 22 mins
Most popular airlinejetBlue
Average flights per week216

Finding cheap flights from Boston Logan International to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Boston Logan International to San Diego is £142. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 22 minutes is the average flight time from Boston Logan International to San Diego.
jetBlue, Alaska Airlines and Southwest Airlines fly direct from Boston Logan International to San Diego.
As of April 2026, there are 110 flights per week flying from Boston Logan International to San Diego.
The cheapest month to fly from Boston Logan International to San Diego is usually May.
If you're flying from Boston Logan International Airport, the cheapest airport near San Diego is San Diego International – which is 2.5 miles away from the centre of San Diego. We've found flights into this airport from £142.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to San Diego on Wednesday, 27 May 2026.
Yes – the average flight time is 6 hours and 22 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 16°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Alaska Airlines offers the cheapest flight tickets to San Diego.

Flying from Boston Logan International Airport (BOS) to San Diego: what you need to know

  • The average length of a direct flight from Boston Logan International Airport to San Diego is 5 hours 40 minutes.

  • The timezone in San Diego is UTC-8. The city is three hours behind Boston, where Boston Logan International Airport is located.

  • Boston Logan International Airport (BOS) to San Diego International Airport (SAN) is the most popular route. When searching for your flight, you can pick from 35 services each week between BOS and SAN.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your BOS to San Diego flight.

  • You can expect longer queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • You can book a direct Boston Logan International Airport to San Diego ticket. Begin your journey at BOS and touch down at San Diego International Airport (SAN).

  • Top carriers that offer direct flights from Boston Logan International Airport to San Diego include:

  • BOS is about 3 kms (2 miles) from central Boston. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 25 minutes.

  • Planning to catch an early flight from Boston Logan International Airport to San Diego? Avoid the hassle of rushing to the airport (and catch some extra z's) by choosing one of these hotels near BOS:

  • When it comes to Boston Logan International Airport's on-time performance, 75% of flights arrive within the expected time frame.

  • BOS is located at One Harborside Drive.

How to find the cheapest flights from Boston Logan International Airport (BOS) to San Diego

  • £72 is the cheapest price we've seen for a one-way Boston Logan International Airport to San Diego flight. A return plane ticket right now is £142. Depending on when and how early you book, these fares could change.

  • To find cheap flights from BOS to San Diego, book as early as you can. Airlines generally offer their most competitively priced fares when tickets first go on sale.

  • The 'Whole month' search tool will show you the cheapest tickets from Boston Logan International Airport to San Diego throughout the entire month. It's an easy way to snap up a bargain if your trip dates are flexible.

  • You don't need to check every day to see if fares have dropped when you set up a Price Alert. We'll notify you when there's an even better deal on cheap flights from BOS to San Diego.

  • Choose your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Boston Logan International Airport to San Diego by 'Cheapest,' 'Best' or 'Fastest.'

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to central San Diego takes about 15 minutes to reach by car. The centre is roughly 5 kms (3 miles) away.

  • It'll take around 25 minutes if you're using public transport.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Boston Logan International Airport to San Diego. Stay at one of these accommodation options near SAN instead:

  • Get the best deal by booking your ride from San Diego International Airport about two weeks ahead of your flight from BOS to San Diego.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • Central San Diego is around 48 kms (30 miles) from McClellan-Palomar Airport (CLD). Step off your flight from Boston Logan International Airport to San Diego and then be on the lookout for any airport signs directing you to the city centre.

  • You'll find some great places ready to welcome you near CLD. Unwind and get cosy after your BOS to San Diego flight at one of these perfectly located options:

  • Get your preferred vehicle, not just what's available, by booking your ride from CLD ahead of your arrival. You'll also avoid last-minute price hikes, especially during busy airport times.

Best time to go to San Diego

  • December is the quietest month for flights from Boston Logan International Airport to San Diego, while July is the busiest. Choose the ideal time to visit San Diego based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Before booking a Boston Logan International Airport to San Diego plane ticket, think about the type of weather you enjoy. August is the warmest month in San Diego, with temperatures ranging from 16ºC to 27ºC.

  • Search for cheap tickets from BOS to San Diego in February if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC and 22ºC on average.

More about San Diego

  • Once you've booked your flight from Boston Logan International Airport to San Diego, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring San Diego:

  • San Diego Balboa Park and San Diego Zoo are a couple of major attractions to add to your San Diego itinerary. Keep the momentum going by heading to USS Midway Museum.

Explore more of the United States

  • You've visited San Diego, now it's time to explore more of the United States. Travel around 177 kms (110 miles) northwest to Los Angeles to tick off its top attractions. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, there's plenty to keep you busy.

  • If there's time to check out another side of the United States, consider Phoenix, roughly 483 kms (300 miles) east of San Diego. Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.