Cheap Flights from Boston, MA to San Diego, CA from $128

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On Cheapflightsplus.com you will find 1 direct and 263 connecting flights from Boston to San Diego. You can compare airfare deals from 8 airlines and multiple travel sites from $128, book and save on cheap plane tickets and last minute offers. Also check out BOS-SAN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Boston to San Diego Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $128 (one-way), $220 (round-trip).

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Best Flights from Boston to San Diego Today

Take a look at the list of non stop flights and flights with layovers from Boston to San Diego with the lowest price of $128. The fastest direct flight takes 6h 29m and the fastest connecting – 7h 55m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $215 Find flight	16:59 Boston Logan	20:28 San Diego San Diego	6h 29m	Alaska Airlines	AS389
from $157 Find flight	11:57 Boston Logan	16:52 San Diego San Diego	7h 55m layover 0h 49m - Minneapolis	Sun Country Airlines	SY252 SY407
from $195 Find flight	18:35 Boston Logan	07:36+1 день San Diego San Diego	16h 1m layover 7h 14m - San Francisco	Alaska Airlines	AS357 AS3401
from $207 Find flight	06:00 Boston Logan	11:28 San Diego San Diego	8h 28m layover 0h 47m - Chicago	United Airlines	UA1414 UA660
from $207 Find flight	09:30 Boston Logan	15:48 San Diego San Diego	9h 18m layover 1h 47m - Chicago	United Airlines	UA216 UA2683
from $128 Find flight	16:41 Boston Logan	06:40+1 день San Diego San Diego	16h 59m layover 0h 57m - Atlanta 7h 18m - Las Vegas	Spirit Airlines	NK1460 NK332 NK1496
from $158 Find flight	18:55 Boston Logan	06:40+1 день San Diego San Diego	14h 45m layover 0h 38m - Miami 3h 53m - Las Vegas	Spirit Airlines	NK2887 NK777 NK1496
from $171 Find flight	11:30 Boston Logan	08:06+1 день San Diego San Diego	23h 36m layover 5h 33m - Orlando 8h 10m - Las Vegas	Spirit Airlines	NK2071 NK1852 NK3795
from $175 Find flight	20:52 Boston Logan	18:02+1 день San Diego San Diego	24h 10m layover 5h 55m - Tampa 5h 10m - Las Vegas	Spirit Airlines	NK1908 MX116 NK2907
from $179 Find flight	20:52 Boston Logan	14:15+1 день San Diego San Diego	20h 23m layover 5h 55m - Tampa 1h 21m - Las Vegas	Spirit Airlines	NK1908 MX116 NK3791
from $186 Find flight	11:26 Boston Logan	23:52 San Diego San Diego	15h 26m layover 0h 53m - Miami 4h 9m - Las Vegas	Spirit Airlines	NK2975 NK201 NK191
from $186 Find flight	10:00 Boston Logan	23:52 San Diego San Diego	16h 52m layover 4h 38m - Orlando 2h 12m - Las Vegas	Spirit Airlines	NK793 NK2993 NK191
from $186 Find flight	09:25 Boston Logan	23:52 San Diego San Diego	17h 27m layover 3h 44m - Tampa 3h 40m - Las Vegas	Spirit Airlines	NK1370 NK184 NK191
from $186 Find flight	05:45 Boston Logan	23:52 San Diego San Diego	21h 7m layover 6h 36m - Miami 4h 9m - Las Vegas	Spirit Airlines	NK867 NK201 NK191
from $190 Find flight	06:00 Boston Logan	15:29 San Diego San Diego	12h 29m layover 2h 39m - Baltimore 1h 28m - Las Vegas	Spirit Airlines	NK1361 NK924 NK1766
from $190 Find flight	21:44 Boston Logan	18:15+1 день San Diego San Diego	23h 31m layover 8h 37m - Baltimore 6h 29m - Las Vegas	Spirit Airlines	NK2072 NK2377 NK2907

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 06, 2025

Flight Schedule Boston (Massachusetts) to San Diego (California)

Full flight schedule will help you in detecting at what time planes fly from Boston to San Diego. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
16:59 — 20:28	16:59 — 20:28 AS389 Alaska Airlines Boston — San Diego	6h 29m	Find flight from$215
06:00 — 11:28	06:00 — 08:03 UA1414 United Airlines Boston — Chicago 47m stop 08:50 — 11:28 UA660 United Airlines Chicago — San Diego	8h 28m including layover	Find flight from$207
07:10 — 14:56	07:10 — 08:38 UA570 United Airlines Boston — Newark 3h 10m stop 11:48 — 14:56 UA1826 United Airlines Newark — San Diego	10h 46m including layover	Find flight from$208
09:30 — 15:48	09:30 — 11:28 UA216 United Airlines Boston — Chicago 1h 47m stop 13:15 — 15:48 UA2683 United Airlines Chicago — San Diego	9h 18m including layover	Find flight from$207
10:57 — 18:44	10:57 — 12:55 UA267 United Airlines Boston — Chicago 3h 15m stop 16:10 — 18:44 UA2394 United Airlines Chicago — San Diego	10h 47m including layover	Find flight from$207
11:57 — 16:52	11:30 — 13:44 SY252 Sun Country Airlines Boston — Minneapolis 49m stop 14:54 — 16:46 SY407 Sun Country Airlines Minneapolis — San Diego	7h 55m including layover	Find flight from$157
12:25 — 18:51	12:25 — 14:21 UA1732 United Airlines Boston — Chicago 1h 59m stop 16:20 — 18:51 UA2080 United Airlines Chicago — San Diego	9h 26m including layover	Find flight from$211
13:30 — 19:51	13:30 — 17:10 UA1976 United Airlines Boston — Houston 1h 1m stop 18:11 — 19:51 UA1532 United Airlines Houston — San Diego	9h 21m including layover	Find flight from$208
13:30 — 20:39	13:30 — 17:21 UA1187 United Airlines Boston — San Francisco 1h 39m stop 19:00 — 20:39 UA2633 United Airlines San Francisco — San Diego	10h 9m including layover	Find flight from$208
14:00 — 20:22	14:00 — 15:25 UA2454 United Airlines Boston — Newark 1h 49m stop 17:14 — 20:22 UA1626 United Airlines Newark — San Diego	9h 22m including layover	Find flight from$208
14:45 — 20:52	14:45 — 16:28 UA214 United Airlines Boston — Washington D.C. 1h 52m stop 18:20 — 20:52 UA1831 United Airlines Washington D.C. — San Diego	9h 7m including layover	Find flight from$208
15:57 — 23:15	15:57 — 17:30 UA1977 United Airlines Boston — Newark 2h 40m stop 20:10 — 23:15 UA1626 United Airlines Newark — San Diego	10h 18m including layover	Find flight from$211
18:35 — 07:36 +1 day	18:35 — 22:46 AS357 Alaska Airlines Boston — San Francisco 7h 14m stop 06:00 — 07:36 AS3401 Alaska Airlines San Francisco — San Diego	16h 1m including layover	Find flight from$195
05:45 — 23:52	05:45 — 09:20 NK867 Spirit Airlines Boston — Miami 6h 36m stop 15:56 — 18:32 NK201 Spirit Airlines Miami — Las Vegas 4h 9m stop 22:41 — 23:52 NK191 Spirit Airlines Las Vegas — San Diego	21h 7m including layover	Find flight from$186
05:45 — 14:56	05:45 — 07:31 UA1734 United Airlines Boston — Washington D.C. 51m stop 08:22 — 09:37 UA1929 United Airlines Washington D.C. — Newark 2h 11m stop 11:48 — 14:56 UA1826 United Airlines Newark — San Diego	12h 11m including layover	Find flight from$213
06:00 — 15:29	06:00 — 07:38 NK1361 Spirit Airlines Boston — Baltimore 2h 39m stop 10:17 — 12:47 NK924 Spirit Airlines Baltimore — Las Vegas 1h 28m stop 14:15 — 15:29 NK1766 Spirit Airlines Las Vegas — San Diego	12h 29m including layover	Find flight from$190
07:10 — 17:25	07:10 — 08:38 UA570 United Airlines Boston — Newark 3h 38m stop 12:16 — 14:37 UA370 United Airlines Newark — Denver 1h 18m stop 15:55 — 17:25 UA1281 United Airlines Denver — San Diego	13h 15m including layover	Find flight from$213
09:25 — 23:52	09:25 — 13:03 NK1370 Spirit Airlines Boston — Tampa 3h 44m stop 16:47 — 19:01 NK184 Spirit Airlines Tampa — Las Vegas 3h 40m stop 22:41 — 23:52 NK191 Spirit Airlines Las Vegas — San Diego	17h 27m including layover	Find flight from$186
10:00 — 23:52	10:00 — 13:29 NK793 Spirit Airlines Boston — Orlando 4h 38m stop 18:07 — 20:29 NK2993 Spirit Airlines Orlando — Las Vegas 2h 12m stop 22:41 — 23:52 NK191 Spirit Airlines Las Vegas — San Diego	16h 52m including layover	Find flight from$186
11:30 — 08:06 +1 day	11:30 — 14:57 NK2071 Spirit Airlines Boston — Orlando 5h 33m stop 20:30 — 22:41 NK1852 Spirit Airlines Orlando — Las Vegas 8h 10m stop 06:51 — 08:06 NK3795 Spirit Airlines Las Vegas — San Diego	23h 36m including layover	Find flight from$171
12:00 — 23:59	12:00 — 14:02 AS6761 Alaska Airlines Boston — Chicago 3h 26m stop 17:28 — 20:11 AS353 Alaska Airlines Chicago — Seattle 1h 5m stop 21:16 — 23:59 AS1164 Alaska Airlines Seattle — San Diego	14h 59m including layover	Find flight from$213
16:41 — 06:40 +1 day	16:41 — 19:45 NK1460 Spirit Airlines Boston — Atlanta 57m stop 20:42 — 22:12 NK332 Spirit Airlines Atlanta — Las Vegas 7h 18m stop 05:30 — 06:40 NK1496 Spirit Airlines Las Vegas — San Diego	16h 59m including layover	Find flight from$128
16:41 — 08:06 +1 day	16:41 — 19:45 NK1460 Spirit Airlines Boston — Atlanta 57m stop 20:42 — 22:12 NK332 Spirit Airlines Atlanta — Las Vegas 8h 39m stop 06:51 — 08:06 NK3795 Spirit Airlines Las Vegas — San Diego	18h 25m including layover	Find flight from$169
18:55 — 06:40 +1 day	12:11 — 15:39 NK2887 Spirit Airlines Boston — Miami 38m stop 22:23 — 00:57 NK777 Spirit Airlines Miami — Las Vegas 3h 53m stop 05:30 — 06:40 NK1496 Spirit Airlines Las Vegas — San Diego	14h 45m including layover	Find flight from$158
20:52 — 18:02 +1 day	20:52 — 00:20 NK1908 Spirit Airlines Boston — Tampa 5h 55m stop 06:15 — 11:34 MX116 Mexicana Tampa — Las Vegas 5h 10m stop 16:44 — 18:02 NK2907 Spirit Airlines Las Vegas — San Diego	24h 10m including layover	Find flight from$175
20:52 — 14:15 +1 day	20:52 — 00:20 NK1908 Spirit Airlines Boston — Tampa 5h 55m stop 06:15 — 11:34 MX116 Mexicana Tampa — Las Vegas 1h 21m stop 12:55 — 14:15 NK3791 Spirit Airlines Las Vegas — San Diego	20h 23m including layover	Find flight from$179
21:44 — 18:15 +1 day	21:44 — 23:23 NK2072 Spirit Airlines Boston — Baltimore 8h 37m stop 09:46 — 12:15 NK2377 Spirit Airlines Baltimore — Las Vegas 6h 29m stop 16:57 — 18:15 NK2907 Spirit Airlines Las Vegas — San Diego	23h 31m including layover	Find flight from$190

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on April 6, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Boston to San Diego depends on and how to choose the most interesting flight option for you.

Distance between Boston and San Diego is 4156 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 21:55 from 4 Boston airports and arrive 05:00 to 21:55 to 11 San Diego airports. Average flight time is 6h 29m.

The fastest flight 6h 29m
Average flight time 6h 29m
The earliest flight 05:00
The latest flight 21:55
Distance 2583 ml

The cheapest months to travel to San Diego are november (from 128 $), december (from 157 $), january (from 186 $).

The most expensive months are february (from 186 $), january (from 186 $), december (from 157 $).

What is the lowest airfare Boston to San Diego?

The cheapest plane ticket found by our users is $128. This airfare is for economy class on one-way NK1460 flight by Spirit Airlines for November 13, 2024 which leaves Logan in Boston at 16:41 am and arrives at San Diego San Diego at 06:40.

Economy class

$128

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Business class

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First class

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Popular Airlines on the Route

The flight Boston — San Diego is served by 8 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 43 departures per week at the price of from $ 195 . And the most expensive tickets are offered by SWISS International Air Lines airline - from $ 6919.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is AS389 by Alaska Airlines takes 6h 29m and the cheapest is NK1460 by Spirit Airlines for $215.

AS - Alaska Airlines

from $215

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Connecting Flights

There are 263 flights with layovers on the route. The fastest connecting flight is SY252 by Sun Country Airlines takes 7h 55m and the cheapest is NK1460 by Spirit Airlines for $128.

AS - Alaska Airlines

from $195

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F9 - Frontier Airlines

from $473

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PD - Porter Airlines

from $406

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SY - Sun Country Airlines

from $157

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UA - United Airlines

from $207

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LX - SWISS International Air Lines

from $6869

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NK - Spirit Airlines

from $128

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TS - Air Transat

from $455

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See more connecting flights

Airports

You can fly from Boston to San Diego from 4 airports (Boston City Heliport, Boston RT128 Rail, Boston South Rail, Logan).

Boston airports

Boston City Heliport-JBC

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Boston RT128 Rail-ZRU

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Boston South Rail-ZTO

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Logan-BOS

from $128
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San Diego airports

San Diego-SAN

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San Diego Regional-USA

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Gillespie Field-SEE

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Golden Triangle Reg.-GTR

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El Cajon-CJN

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Lowndes County-UBS

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Miramar NAS-NKX

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Montgomery Field-MYF

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North Island NAS-NZY

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Brown Field Municipal-SDM

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AFB-CBM

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Airplanes

There are flights to San Diego from Boston by 8 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Boston

You may also consider searching for discounted plane tickets to some other popular places from Boston within United States.

Boston — New York

from $57

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Boston — Orlando

from $67

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Boston — Chicago

from $59

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Boston — Miami

from $56

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Boston — Washington D.C.

from $64

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Boston — Denver

from $65

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Boston — Nashville

from $71

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Boston — Tampa

from $63

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Boston — Las Vegas

from $63

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Boston — Seattle

from $60

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Top International Destinations from Boston

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Boston — London

from $76

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Boston — Paris

from $76

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Boston — Toronto

from $54

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Boston — Dublin

from $54

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Boston — Aruba

from $69

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Boston — Rome

from $77

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Boston — Cancun

from $78

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Boston — Lisbon

from $66

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Boston — Montreal

from $77

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Boston — Barcelona

from $67

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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