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Cheap Flights from Boston to San Diego

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Compare Boston Logan International to San Diego flight deals

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

Book the best San Diego fare with no extra fees

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.
San Diego.$338 per passenger.Departing Sun, 27 Apr, returning Wed, 30 Apr.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Sun, 27 Apr, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departs from San Diego International on Wed, 30 Apr, arriving in Boston Logan International.Price includes taxes and charges.From $338, select.
San Diego.$349 per passenger.Departing Sat, 3 May, returning Tue, 6 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Sat, 3 May, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departs from San Diego International on Tue, 6 May, arriving in Boston Logan International.Price includes taxes and charges.From $349, select.
San Diego.$379 per passenger.Departing Mon, 17 Mar, returning Mon, 24 Mar.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Mon, 17 Mar, arriving in San Diego International.Inbound indirect flight with Spirit Airlines, departs from San Diego International on Mon, 24 Mar, arriving in Boston Logan International.Price includes taxes and charges.From $379, select.
San Diego.$380 per passenger.Departing Sat, 29 Mar, returning Sat, 5 Apr.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Sat, 29 Mar, arriving in San Diego International.Inbound direct flight with Delta departs from San Diego International on Sat, 5 Apr, arriving in Boston Logan International.Price includes taxes and charges.From $380, select.
San Diego.$380 per passenger.Departing Sat, 3 May, returning Tue, 6 May.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Sat, 3 May, arriving in San Diego International.Inbound direct flight with Delta departs from San Diego International on Tue, 6 May, arriving in Boston Logan International.Price includes taxes and charges.From $380, select.
San Diego.$383 per passenger.Departing Wed, 2 Apr, returning Tue, 8 Apr.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Wed, 2 Apr, arriving in San Diego International.Inbound direct flight with Delta departs from San Diego International on Tue, 8 Apr, arriving in Boston Logan International.Price includes taxes and charges.From $383, select.
San Diego.$416 per passenger.Departing Wed, 30 Apr, returning Mon, 5 May.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Wed, 30 Apr, arriving in San Diego International.Inbound direct flight with Delta departs from San Diego International on Mon, 5 May, arriving in Boston Logan International.Price includes taxes and charges.From $416, select.
San Diego.$444 per passenger.Departing Fri, 28 Mar, returning Mon, 31 Mar.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Fri, 28 Mar, arriving in San Diego International.Inbound direct flight with Delta departs from San Diego International on Mon, 31 Mar, arriving in Boston Logan International.Price includes taxes and charges.From $444, select.

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 April.
Mar
from $379
Apr
from $338
May
from $349
Jun
from $459
Jul
from $529
Aug
from $529
Sep
from $527
Oct
from $559
Nov
from $555
Dec
from $681
Jan
Find prices
Feb
Find prices

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$338
Cheapest month to flyApril
Average flight time6 hrs, 26 mins
Most popular airlineEtihad Airways
Average flights per week144

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 $338. 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 26 minutes is the average flight time from Boston Logan International to San Diego.
Etihad Airways, jetBlue and Hawaiian Airlines fly direct from Boston Logan International to San Diego.
As of March 2025, there are 144 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 March 2025.
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 $338.
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 Sunday, 27 April 2025.
Yes – the average flight time is 6 hours and 26 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 March, the average temperature is usually around 14°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, Spirit Airlines and Delta offer the cheapest flight tickets to San Diego.

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

  • The average duration of a direct flight from Logan International Airport to San Diego is 5 hours 35 minutes.

  • San Diego is 3 hours behind Boston, where Logan International Airport is located. San Diego operates on the UTC-7 timezone.

  • Logan International Airport (BOS) to San Diego International Airport (SAN) is the most popular route, with 30 departures a week to choose from. If you have things to finalize before heading off, the last flight from BOS to SAN is with Alaska Airlines at 18:40. Choose the first departure with jetBlue at 06:00 if you want to get on your way earlier.

  • Give yourself enough time to get on your flight from BOS to San Diego. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month like August? Popular seasons (like spring break, summer and Thanksgiving) can easily add another hour at security. Be extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Direct flights from Logan International Airport (BOS) to San Diego are available for booking. San Diego International Airport (SAN) is where you'll complete your journey.

  • Choose from a variety of airlines that offer direct flights from Logan International Airport to San Diego. Get on board with any of these:

  • For a flight within United States, you won't need a passport or visa. However, you'll have to bring some form of identification, like an ID card or driver's licence. Once you've booked cheap tickets from Logan International Airport to San Diego, make sure your ID is up to date.

  • BOS is around 5 kilometres from central Boston. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 12 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the travel time to be around 23 minutes.

  • After an easy start to your travels? Stay near BOS. Whether you're catching an early flight from Logan International Airport to San Diego or just don't want to be rushed, these hotels are ideal:

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

  • $139 is the best price for a one-way ticket from Logan International Airport to San Diego. A return flight starts from $338. These fares can change based on demand and availability.

  • Book 9 months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from BOS to San Diego.

  • The cheapest month for tickets from Logan International Airport to San Diego is May. You can easily compare prices using the 'Whole month' tool to find the cheapest travel date.

  • Locking in a cheap ticket from BOS to San Diego couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as the price has fallen.

  • Tailor your flights with filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Logan International Airport to San Diego.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is around 5 kilometres from central San Diego. With your own car rental or if you're catching a cab, the drive is about 9 minutes.

  • If you're travelling by public transport, expect a journey time of around 20 minutes.

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

McClellan-Palomar Airport (CLD)

Best time to go to San Diego

  • July is the most popular month for flights from Logan International Airport to San Diego. To escape the crowds, head to San Diego in May when it's quieter.

  • Before you book a flight from Logan International Airport to San Diego, think about the kind of weather you enjoy. August is the warmest month in San Diego, with temperatures ranging from 17ºC to 28ºC.

  • If you want to travel in cooler conditions, search for a cheap flight from BOS to San Diego in February when temperatures average between 7ºC and 23ºC.

More about San Diego

Complete your San Diego trip with a car rental

  • Finding you a cheap flight from Logan International Airport to San Diego isn't the only thing we're good at. Check out our car rentals in San Diego and have more freedom to explore. We search for deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

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Plan the rest of your trip from Boston to San Diego

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