Cheap Flights from Boston Logan International to San Diego

Compare Boston Logan International to San Diego flight deals

Find the cheapest month or even day of the year to fly to San Diego

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Flight deals from Boston Logan International to San Diego

Looking for a cheap last-minute deal or the best return flight from Boston Logan International to San Diego? 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 January.

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$374
Cheapest month to flyJanuary
Average flight time6 hrs, 30 mins
Most popular airlineEtihad Airways
Average flights per week274

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 $375. 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 30 minutes is the average flight time from Boston Logan International to San Diego.
Etihad Airways, jetBlue and Alaska Airlines fly direct from Boston Logan International to San Diego.
As of December 2025, there are 274 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 January.
If you're flying from Boston Logan International Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from $375.
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 Tuesday, 20 January 2026.
Yes – the average flight time is 6 hours and 30 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 December, the average temperature is usually around 13°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, Hawaiian Airlines offers the cheapest flight tickets to San Diego.

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

  • Approximately 5 hours 40 minutes is how long you can expect to be travelling on a direct flight from Logan International Airport to San Diego.

  • Logan International Airport is located in Boston. Following the UTC-7 timezone, San Diego is three hours behind Boston.

  • With 32 weekly flights between the two airports, Logan International Airport (BOS) to San Diego International Airport (SAN) is the most popular route. JetBlue Airways operates the earliest flight at 06:00. If you'd like to make the most of your day before flying, the last flight from BOS to SAN is with Alaska Airlines at 18:40.

  • For a relaxed start to your BOS to San Diego flight, leave plenty of time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • Longer lines at check-in and security are more likely if you're flying during high season, so allow some extra breathing room. A good rule for peak times? Arrive up to four hours ahead for international flights and two hours for domestic departures.

  • You can book a direct Logan International Airport to San Diego ticket. Start your trip at BOS and arrive at San Diego International Airport (SAN).

  • You'll have your pick of airlines offering direct flights from Logan International Airport to San Diego. Get on board with any of these:

  • Located around 3 kilometres from central Boston, BOS can be reached in about 10 minutes by car (depending on traffic). The journey on public transport will take roughly 25 minutes.

  • Have an early flight from Logan International Airport to San Diego? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near BOS:

  • 73.94% of flights that take off from Logan International Airport arrive at their destination on schedule.

  • You'll find BOS at One Harborside Drive.

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

  • The best price we've found for a one-way Logan International Airport to San Diego flight is $187. The cheapest price for a return flight is $374. Bear in mind fares can change due to availability at the time of booking.

  • Score cheap flights from BOS to San Diego by booking one month ahead. Based on our research, that's the best time for finding the biggest deals.

  • Schedule your trip for May. That's the best month for scoring an epic deal on Logan International Airport to San Diego tickets. If you're flexible on when you fly, use the 'Whole month' tool to find the lowest price across every month.

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

  • Find a cheap flight from Logan International Airport to San Diego with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to the centre of San Diego takes about 10 minutes by car. The centre is roughly 5 kilometres away.

  • It'll take around 20 minutes if you're using public transport.

  • The last thing you need is a long journey to your hotel if you're getting in late on a flight from Logan International Airport to San Diego. Check in to one of these accommodation options near SAN instead:

  • Travel at your own speed with a San Diego International Airport rental car. Book your wheels from Thrifty, Dollar or Budget and see more of San Diego and beyond.

  • Lock in the best rate by reserving your vehicle from San Diego International Airport around two weeks in advance of your flight from BOS to San Diego.

  • The street address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is around 56 kilometres from the centre of San Diego. Following your flight from Logan International Airport to San Diego, it'll take you around 40 minutes to reach the heart of the city in a ride-share or cab.

  • You can expect the trip to take roughly 2 hours 15 minutes on public transport.

  • There are some comfortable places to park your luggage (and yourself) near CLD. Settle in and get cosy after your BOS to San Diego flight at one of these well-located options:

  • Budget, Hertz and Avis make picking up a McClellan-Palomar Airport rental car easy and quick. These reliable suppliers are located in or around the terminal and will have you on the road before long.

  • Typically, the earlier you book, the bigger the savings and variety of vehicles. Lock in your ride from CLD once your travel dates are set.

Best time to go to San Diego

  • Before booking your flights from Logan International Airport to San Diego, consider which time of year works best for you. Peak season in San Diego offers a bustling atmosphere and plenty of activities, while low season means you'll get cheaper hotel rates and fewer crowds.

  • When booking your Logan International Airport to San Diego flight ticket, think about what kind of weather you prefer. August is the warmest month in San Diego, with temperatures ranging from 17ºC to 28ºC.

  • Look for cheap tickets from BOS to San Diego in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 7ºC and 23ºC on average.

More about San Diego

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

  • There are so many things to explore in this city it can be tricky to know where to begin. USS Midway Museum, San Diego Zoo and SeaWorld San Diego are major attractions which should be on any good San Diego itinerary.

Explore more of United States

  • San Diego will leave a lasting impression, but there are so many other corners of United States you'll want to see. About 177 kilometres north-west of San Diego, a visit to Los Angeles will keep your itinerary busy. Check out popular attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're looking to explore another well-known destination in United States, consider Phoenix, roughly 483 kilometres east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are among the biggest draws.

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