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

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The best prices from Boston Logan Intl to San Diego are usually found in August or May, booked 1 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 2021: compare Boston to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
BOS - SAN
Price
$254 - $408
SAN
Temperature
66.2 - 80.6 °F
SAN
Precipitation
0 - 2.8 inches

Popular in

December

High demand for flights, 25% potential price rise

Cheapest in

August

Best time to find cheap flights, 17% potential price drop

Round-trip from

$254

From Boston Logan Intl to San Diego

One-way from

$73

One-way flight from Boston Logan Intl to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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 20% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

The best pricing can be found in the month of August. Prices to San Diego from Boston average $304. You can even find prices in August for less than $304, as users have found deals to San Diego from as low as $100. The month of December 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 34%.

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 at noon, which can drop the price by up to 20% versus a flight in the morning.

Cheap flights from Boston to San Diego in September, October 2021

The best prices found for BOS to SAN flights for September, October
29 Sep - 5 Oct
$106pp
BOS
Boston Logan Intl
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
11 Oct - 16 Oct
$111pp
BOS
Boston Logan Intl
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BOS
Boston Logan Intl
14 Oct - 25 Oct
$115pp
BOS
Boston Logan Intl
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BOS
Boston Logan Intl

Boston Logan Intl to San Diego 2021 flight deals

Cheap flights to San Diego from Boston found for this year
29 Sep - 5 Oct
$106pp
BOS
Boston Logan Intl
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
11 Nov - 14 Nov
$110pp
BOS
Boston Logan Intl
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BOS
Boston Logan Intl
11 Oct - 16 Oct
$111pp
BOS
Boston Logan Intl
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BOS
Boston Logan Intl

Non-stop flights to San Diego from Boston

Save time with Boston to San Diego direct flight deals
21 Oct - 26 Oct
$197pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
SAN
San Diego
SAN
San Diego
JetBlue
Non-Stop
BOS
Boston Logan Intl
20 Oct - 24 Oct
$205pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
Alaska Airlines
Non-Stop
BOS
Boston Logan Intl
4 Nov - 9 Nov
$208pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SAN
San Diego
SAN
San Diego
JetBlue
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to San Diego

Late deals on round-trip flights to San Diego from Boston, departing today and this week
27 Sep - 1 Oct
$117pp
BOS
Boston Logan Intl
Spirit Airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BOS
Boston Logan Intl
24 Sep - 28 Sep
$132pp
BOS
Boston Logan Intl
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BOS
Boston Logan Intl
27 Sep - 1 Oct
$133pp
BOS
Boston Logan Intl
Spirit Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to San Diego from Boston

The cheapest one-way flights from Boston to San Diego
6:05 am - 2:30 pm
United Airlines
1 Stop
11h 25m
BOS - SAN
United Airlines
$73
United
9:45 am - 6:59 pm
American Airlines
1 Stop
12h 14m
BOS - SAN
American Airlines
12:53 pm - 5:21 pm
Spirit Airlines
3 Stops
31h 28m
BOS - SAN
Spirit Airlines
$87
FareScan

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Boston to San Diego

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 15m on average. When it comes time to book airfare, you have a few options: there are 5 outbound flights from Logan Intl to San Diego offered by 9 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, American Airlines, and United Airlines 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.

Are flight prices decreasing from Boston to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Boston to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Boston to San Diego for under $100. The cheapest flight booked recently is on Spirit Airlines for just $85, but on average you can expect to pay $115.

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 $253.

Are there last-minute flights available from Boston to San Diego for under $200?

There are currently 20+ open flights from Boston to San Diego within the next 7 days for less than $200.

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

You can find nonstop flights on the following days: Monday, Wednesday.

How popular is this Boston to San Diego flight route?

This flight path from Boston Logan Intl to San Diego was viewed by 406 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Travelers can expect 3 flights from Boston to San Diego on average per day.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Boston to San Diego?

For as low as $85, Spirit Airlines can have you in San Diego from Boston in 13h 53m. The distance between Boston and San Diego is about 2596 mi.

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

Flying on Spirit Airlines is currently your cheapest option to San Diego, with prices starting at $85. You may be able to fly from Boston to San Diego for 72% less than the average price by searching for this airline.

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 Spirit Airlines ($47), United Airlines ($73), and American Airlines ($84).

Related searches

Flights to San Diego (SAN) from Boston (BOS)
Flights to Boston Flights to San Diego Flights from San Diego

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COVID Restrictions

View COVID Travel Restrictions for San Diego, CA

Do I need a COVID test to fly to San Diego from Boston?

Information is based on travel restrictions for travel to San Diego within the United States

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Diego.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Diego.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering San Diego.

Do I need a test to fly back to Boston from San Diego?

Returning to Boston Logan Intl from San Diego

COVID-19 testing requirements
Visitors from San Diego must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Boston Logan Intl.

Hide COVID Travel Restrictions for San Diego, CA

Alternative routes for Boston to San Diego

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

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Boston to San Diego.
Average temperature for September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing Boston

Airports servicing San Diego

Top 8 airlines flying from Boston Logan Intl 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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$93 $225 No cancel fee 65%
Frontier
$117 $227 No cancel fee 62%
Sun Country Air
$148 $232 No cancel fee 83%
United Airlines
$127 $273 No cancel fee 69%
Delta
$132 $292 No cancel fee N/A
American Airlines
$130 $297 No cancel fee 71%
Alaska Airlines
$138 $355 No cancel fee 75%
JetBlue
$188 $432 No cancel fee 62%

Hourly flight availability from Boston to San Diego

See what time of day planes typically take off from Boston towards San Diego.
Afternoon Noon to 6 PM 54% of BOS to SAN departures
Morning 6 AM to noon 45% of BOS to SAN departures
Early morning Midnight to 6 AM 1% of BOS to SAN departures
Evening 6 PM to midnight 0% of BOS to SAN departures
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.
Sunday
7 daily flights
Monday
6 daily flights
Tuesday
5 daily flights
Wednesday
7 daily flights
Thursday
7 daily flights
Friday
8 daily flights
Saturday
1 daily flight
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