Cheap flights from Boston to San Diego (BOS - SAN)

BOS — SAN
Oct 2 — Oct 91

The best prices from Boston Logan Intl to San Diego are usually found in January or February, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from Boston (BOS) to San Diego (SAN)

All the information you need to plan the best BOS to SAN flight in 2022: compare Boston to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.

BOS - SAN

Price

$294 - $685

SAN

Temperature

57.2 - 71.6 °F

SAN

Rainfall

0 - 2.3 inches

Popular inJuneHigh demand for flights, 35% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 34% potential price drop
Round-trip from$294From Boston Logan Intl to San Diego
One-way from$99One-way flight from Boston Logan Intl to San Diego

What is the cheapest day to fly round-trip from Boston to San Diego?

Travelers have found that booking a Monday departure is the best way to save up to 29% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Users have found that booking a flight from Boston to San Diego at least 58 days early can save you up to 19% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Boston to San Diego for as little as $488 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $488 for flights departing within the next 3 days.

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

The best pricing can be found in the month of January. Prices to San Diego from Boston average $446. You can even find prices in January for less than $446, as users have found deals to San Diego from as low as $222. The month of June appears to be one of the more expensive times to travel to San Diego from Boston. Flying in the targeted month can save you up to 53%.

When is the cheapest time to fly from Boston to San Diego (BOS - SAN)?

When flying from Boston to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 64% versus a flight in the morning.

Cheap flights from Boston to San Diego in September, October 2022

The best prices found for BOS to SAN flights for September, October
Oct 26 - Nov 2
BOS

Boston Logan Intl

SAN

San Diego

2 stops

18h 28m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 30m
$271

Multiple Airlines

Pick Dates

Deal found 9/26/22

Oct 29 - Nov 6
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 32m
SAN

San Diego

BOS

Boston Logan Intl

2 stops

19h 27m
$277

Multiple Airlines

Pick Dates

Deal found 9/24/22

Oct 25 - Nov 15
BOS

Boston Logan Intl

SAN

San Diego

2 stops

13h 08m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

12h 13m
$285

Multiple Airlines

Pick Dates

Deal found 9/27/22

Boston to San Diego 2022 flight deals

Cheap flights to San Diego from Boston found for this year
Dec 10 - Dec 13
BOS

Boston Logan Intl

SAN

San Diego

1 stop

13h 41m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

9h 44m
$226

Spirit Airlines

Pick Dates

Deal found 9/24/22

Nov 30 - Dec 6
BOS

Boston Logan Intl

SAN

San Diego

1 stop

14h 31m
SAN

San Diego

BOS

Boston Logan Intl

2 stops

11h 09m
$234

Frontier

Pick Dates

Deal found 9/27/22

Dec 7 - Dec 12
BOS

Boston Logan Intl

SAN

San Diego

1 stop

14h 27m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 29m
$247

Multiple Airlines

Pick Dates

Deal found 9/25/22

Cheap Alaska Airlines flights from Boston to San Diego

Feb 5 - Feb 10
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 34m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 30m
$188

Alaska Airlines

Pick Dates

Deal found 9/26/22

Jan 16 - Jan 21
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 34m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 30m
$189

Alaska Airlines

Pick Dates

Deal found 9/24/22

Feb 5 - Feb 10
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 34m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 30m
$198

Alaska Airlines

Pick Dates

Deal found 9/25/22

  • Alaska Airlines is one of the most popular airlines used for those traveling from Boston to San Diego. Flights on this route from Alaska Airlines typically cost $317.19 RT, a price that is 59% cheaper than the average Boston to San Diego flight. The cheapest flight found was $123 RT. Boston Logan Intl Airport is the most common Boston airport to take off from when flying to San Diego. San Diego Airport is the most popular arrival airport in San Diego. When flying from Boston to San Diego, Alaska Airlines flights are 21% more popular than any other airline flying that same route.

Cheap Delta flights from Boston to San Diego

Feb 5 - Feb 10
BOS

Boston Logan Intl

SAN

San Diego

1 stop

8h 28m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 40m
$207

Delta

Pick Dates

Deal found 9/25/22

Feb 5 - Feb 10
BOS

Boston Logan Intl

SAN

San Diego

1 stop

7h 58m
SAN

San Diego

BOS

Boston Logan Intl

1 stop

9h 19m
$216

Delta

Pick Dates

Deal found 9/25/22

Oct 7 - Oct 15
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 40m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 37m
$407

Delta

Pick Dates

Deal found 9/27/22

  • One of the most popular airlines traveling from Boston to San Diego is Delta. Flights from Delta traveling this route typically cost $393.70 RT. This price is typically 53% cheaper than other airlines that offer Boston to San Diego flights. When booking this route, the cheapest RT price found was $148. Boston Logan Intl Airport is the most common Boston airport to take off from when flying to San Diego. San Diego Airport is the most popular arrival airport in San Diego. When flying from Boston to San Diego, Delta flights are 20% more popular than any other airline flying that same route.

Non-stop flights to San Diego from Boston

Save time with Boston to San Diego direct flight deals
Feb 5 - Feb 10
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 34m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 30m
$188

Alaska Airlines

Pick Dates

Deal found 9/26/22

Jan 16 - Jan 21
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 34m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 30m
$189

Alaska Airlines

Pick Dates

Deal found 9/24/22

Jan 19 - Jan 22
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 34m
SAN

San Diego

BOS

Boston Logan Intl

Nonstop

5h 18m
$191

Multiple Airlines

Pick Dates

Deal found 9/26/22

Last minute flights from Boston to San Diego

Late deals on return flights to San Diego from Boston, departing today and this week
Oct 2 - Nov 15
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 16m
SAN

San Diego

BOS

Boston Logan Intl

2 stops

11h 00m
$338

Multiple Airlines

Pick Dates

Deal found 9/24/22

Oct 3 - Oct 4
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 16m
SAN

San Diego

BOS

Boston Logan Intl

2 stops

11h 10m
$346

Multiple Airlines

Pick Dates

Deal found 9/26/22

Oct 5 - Oct 11
BOS

Boston Logan Intl

SAN

San Diego

3 stops

44h 45m
SAN

San Diego

BOS

Boston Logan Intl

2 stops

25h 56m
$348

Spirit Airlines

Pick Dates

Deal found 9/26/22

One-way flights to San Diego from Boston

The cheapest one-way flights from Boston to San Diego
Jan 11
BOS

Boston Logan Intl

SAN

San Diego

Nonstop

6h 30m
$99

Delta

Pick Dates

Deal found 9/24/22

Dec 14
BOS

Boston Logan Intl

SAN

San Diego

1 stop

14h 27m
$106

Frontier

Pick Dates

Deal found 9/24/22

Feb 14
BOS

Boston Logan Intl

SAN

San Diego

1 stop

8h 27m
$107

United Airlines

Pick Dates

Deal found 9/25/22

Related info for your journey

Useful info, stats and facts about Boston to San Diego flights.

What airports do I use to fly from Boston to San Diego?

To fly from Boston to San Diego, you need to book a flight from Logan Intl (BOS) to San Diego (SAN). Nonstop flights to San Diego from Boston Logan Intl take 6h 16m on average. When it comes time to book airfare, you have a few options: there are 8 outbound flights from Logan Intl to San Diego offered by 10 different airlines.

Which airlines flying from Boston Logan Intl to San Diego have flexible cancellations due to COVID-19?

Some of our airline partners flying from Boston Logan Intl to San Diego have new flexible policies in place due to COVID-19. JetBlue, Alaska Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like JetBlue with this kind of flexibility.

Can I find flights from Boston to San Diego for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to San Diego for under $200. The cheapest flight booked recently is on Alaska Airlines for just $188, but on average you can expect to pay $208.

Are there nonstop flights from Boston to San Diego for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to San Diego under $200. A good price for a nonstop flight from Boston to San Diego is less than $229.

Are there last-minute flights available from Boston to San Diego for under $400?

There are currently 20+ open flights from Boston to San Diego within the next 7 days for less than $400.

What days are nonstop flights available from Boston to San Diego?

Days when nonstop flights are available for this flight are: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this Boston to San Diego flight route?

Flights from Boston Logan Intl to San Diego have been viewed 45 times in the past calendar month.

How many flights depart from Boston to San Diego on average per day?

10 flight departures from Boston to San Diego per day on average.
Morning (6am - Noon) - 40% of flight departures
Afternoon (Noon - 6pm) - 20% of flight departures
Evening (6pm - Midnight) - 40% of flight departures

How long is the flight from Boston to San Diego?

Alaska Airlines, Delta, and United Airlines can get you from Boston to San Diego in just under 6h 34m. Your travel time can differ by up to 2h 51m. There are 2596 mi between Boston and San Diego. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Boston to San Diego round-trip?

Currently priced at $188, Alaska Airlines will fly you from Boston to San Diego and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $207 and $213, respectively. Alaska Airlines is currently priced 57% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Boston to San Diego one-way?

The cheapest airlines for a one-way flight from Boston to San Diego are Delta ($99), Frontier ($106), and United Airlines ($107).

What are the most popular airlines that fly from Boston to San Diego?

Undisclosed Carrier, American Airlines and Alaska Airlines are the most popular airlines when flying from Boston to San Diego.

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

No one likes to see their flight delayed. When booking a flight from Boston to San Diego consider choosing Aer Lingus (87%), Emirates (87%) or JetBlue (85%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Boston to San Diego?

The cheapest flight price from Boston to San Diego is $149. On average you can expect to pay $865. The most popular route, (Boston Logan Intl - San Diego), can usually be booked for $193.

Alternative routes for Boston to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Boston to San Diego

The chart below displays the airlines Cheapflights users traveling from Boston to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
United AirlinesCheapest$109Average$392FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Alaska AirlinesCheapest$123Average$317FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
American AirlinesCheapest$126Average$335FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Spirit AirlinesCheapest$134Average$432FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
DeltaCheapest$148Average$394FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
JetBlueCheapest$149Average$431FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
Sun Country AirCheapest$180Average$309FlexibilityNo cancel feeOn-time83%COVID-19 safety
Search Sun Country Air flights

Hourly flight availability from Boston to San Diego

See what time of day planes typically take off from Boston to San Diego
1%of flight departuresEarly morningMidnight to 6 am
26%of flight departuresMorning6 am to noon
73%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Boston to San Diego

See how many times per day planes take to the skies headed from Boston to San Diego
Sunday9daily flights
Monday9daily flights
Tuesday6daily flights
Wednesday10daily flights
Thursday8daily flights
Friday9daily flights
Saturday7daily flights