Cheap Flights from Boston, MA to San Diego, CA from $122
Return flight: San Diego – Boston
On Cheapflightsplus.com you will find 7 direct and 423 connecting flights from Boston to San Diego. You can compare airfare deals from 7 airlines and multiple travel sites from $122, 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: $122 (one-way), $209 (round-trip).
Direct flights
Check prices for return flight
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 $122. The fastest direct flight takes 6h 5m and the fastest connecting – 7h 38m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $126 | 07:45 Boston Logan | 10:50 San Diego San Diego | 6h 5m | Hawaiian Airlines | HA4821 |
| from $129 | 07:45 Boston Logan | 10:50 San Diego San Diego | 6h 5m | Alaska Airlines | AS260 |
| from $147 | 08:40 Boston Logan | 12:01 San Diego San Diego | 6h 21m | Hawaiian Airlines | HA4832 |
| from $148 | 07:45 Boston Logan | 10:50 San Diego San Diego | 6h 5m | Hawaiian Airlines | HA4789 |
| from $148 | 08:40 Boston Logan | 11:50 San Diego San Diego | 6h 10m | Hawaiian Airlines | HA4820 |
| from $151 | 16:49 Boston Logan | 20:12 San Diego San Diego | 6h 23m | Alaska Airlines | AS505 |
| from $153 | 17:08 Boston Logan | 20:19 San Diego San Diego | 6h 11m | Alaska Airlines | AS389 |
| from $122 | 10:39 Boston Logan | 16:22 San Diego San Diego | 8h 43m layover 1h 59m - Des Moines | Allegiant Air | G4433 G42063 |
| from $153 | 17:37 Boston Logan | 23:59 San Diego San Diego | 9h 22m layover 0h 40m - Portland | Hawaiian Airlines | HA6255 HA6237 |
| from $153 | 06:00 Boston Logan | 13:07 San Diego San Diego | 10h 7m layover 1h 21m - Portland | Hawaiian Airlines | HA4818 HA6311 |
| from $162 | 17:37 Boston Logan | 23:59 San Diego San Diego | 9h 22m layover 0h 40m - Portland | Alaska Airlines | AS1319 AS1162 |
| from $147 | 17:42 Boston Logan | 18:03+1 день San Diego San Diego | 27h 21m layover 1h 4m - Orlando 16h 44m - Las Vegas | Spirit Airlines | NK2093 NK2292 NK2295 |
| from $147 | 16:44 Boston Logan | 18:26+1 день San Diego San Diego | 28h 42m layover 2h 10m - Miami 16h 15m - Las Vegas | Spirit Airlines | NK2127 NK777 NK2295 |
| from $147 | 15:49 Boston Logan | 19:53+1 день San Diego San Diego | 31h 4m layover 2h 55m - Miami 18h 11m - Las Vegas | Spirit Airlines | NK2127 NK777 NK2020 |
| from $147 | 16:44 Boston Logan | 23:29+1 день San Diego San Diego | 33h 45m layover 2h 10m - Miami 21h 21m - Las Vegas | Spirit Airlines | NK2127 NK777 NK2390 |
| from $178 | 09:46 Boston Logan | 13:17+1 день San Diego San Diego | 30h 31m layover 19h 37m - Dallas 2h 26m - Las Vegas | Spirit Airlines | NK2150 NK2354 NK2295 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on August 02, 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 | Arrival | Flight Details | Flight Duration | Price |
|---|---|---|---|---|
|
07:45 — 10:50
|
07:45 — 10:50
HA4821
Hawaiian Airlines
Boston — San Diego
|
6h 5m |
Find flight
from$126 |
|
|
07:45 — 10:50
|
07:45 — 10:50
AS260
Alaska Airlines
Boston — San Diego
|
6h 5m |
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from$129 |
|
|
07:45 — 10:50
|
07:45 — 10:50
HA4789
Hawaiian Airlines
Boston — San Diego
|
6h 5m |
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from$148 |
|
|
08:40 — 12:01
|
08:40 — 12:01
HA4832
Hawaiian Airlines
Boston — San Diego
|
6h 21m |
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from$147 |
|
|
08:40 — 11:50
|
08:40 — 11:50
HA4820
Hawaiian Airlines
Boston — San Diego
|
6h 10m |
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from$148 |
|
|
16:49 — 20:12
|
16:49 — 20:12
AS505
Alaska Airlines
Boston — San Diego
|
6h 23m |
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from$151 |
|
|
17:08 — 20:19
|
17:08 — 20:19
AS389
Alaska Airlines
Boston — San Diego
|
6h 11m |
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from$153 |
|
|
06:00 — 13:07
|
06:00 — 09:09
HA4818
Hawaiian Airlines
Boston — Portland
1h 21m stop
10:30 — 13:07
HA6311
Hawaiian Airlines
Portland — San Diego
|
10h 7m including layover |
Find flight
from$153 |
|
|
09:20 — 16:34
|
09:00 — 12:09
HA4824
Hawaiian Airlines
Boston — Seattle
1h 12m stop
13:44 — 16:30
HA6887
Hawaiian Airlines
Seattle — San Diego
|
10h 14m including layover |
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from$153 |
|
|
09:20 — 19:03
|
09:20 — 12:30
HA4824
Hawaiian Airlines
Boston — Seattle
3h 42m stop
16:12 — 19:03
HA6885
Hawaiian Airlines
Seattle — San Diego
|
12h 43m including layover |
Find flight
from$153 |
|
|
10:39 — 16:22
|
10:39 — 12:46
G4433
Allegiant Air
Boston — Des Moines
1h 59m stop
14:45 — 16:22
G42063
Allegiant Air
Des Moines — San Diego
|
8h 43m including layover |
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from$122 |
|
|
10:39 — 16:10
|
10:39 — 12:46
G4433
Allegiant Air
Boston — Des Moines
1h 53m stop
14:39 — 16:10
G42074
Allegiant Air
Des Moines — San Diego
|
8h 31m including layover |
Find flight
from$134 |
|
|
11:02 — 15:50
|
11:02 — 12:52
UA1314
United Airlines
Boston — Chicago
38m stop
13:30 — 15:50
UA2683
United Airlines
Chicago — San Diego
|
7h 48m including layover |
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from$181 |
|
|
11:02 — 18:20
|
11:02 — 12:52
UA1314
United Airlines
Boston — Chicago
3h 8m stop
16:00 — 18:20
UA2417
United Airlines
Chicago — San Diego
|
10h 18m including layover |
Find flight
from$189 |
|
|
12:40 — 19:31
|
12:40 — 14:01
UA475
United Airlines
Boston — Newark
2h 44m stop
16:45 — 19:31
UA1826
United Airlines
Newark — San Diego
|
9h 51m including layover |
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from$188 |
|
|
12:45 — 18:20
|
12:14 — 14:05
UA1732
United Airlines
Boston — Chicago
1h 25m stop
16:05 — 18:27
UA2417
United Airlines
Chicago — San Diego
|
8h 35m including layover |
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from$181 |
|
|
13:50 — 20:04
|
13:39 — 16:58
UA1976
United Airlines
Boston — Houston
1h 38m stop
18:35 — 19:56
UA1373
United Airlines
Houston — San Diego
|
9h 14m including layover |
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from$188 |
|
|
13:50 — 21:41
|
13:50 — 17:02
UA1976
United Airlines
Boston — Houston
3h 15m stop
20:17 — 21:41
UA2638
United Airlines
Houston — San Diego
|
10h 51m including layover |
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from$189 |
|
|
14:40 — 20:19
|
14:34 — 16:18
UA721
United Airlines
Boston — Washington D.C.
1h 27m stop
18:00 — 20:26
UA2054
United Airlines
Washington D.C. — San Diego
|
8h 39m including layover |
Find flight
from$191 |
|
|
15:30 — 20:25
|
15:25 — 18:09
UA2297
United Airlines
Boston — Denver
54m stop
19:14 — 20:38
UA540
United Airlines
Denver — San Diego
|
7h 55m including layover |
Find flight
from$183 |
|
|
06:00 — 08:14
+1 day
|
06:00 — 08:57
NK1179
Spirit Airlines
Boston — Atlanta
6h 38m stop
15:35 — 16:47
NK332
Spirit Airlines
Atlanta — Las Vegas
14h 13m stop
07:00 — 08:14
NK1496
Spirit Airlines
Las Vegas — San Diego
|
29h 14m including layover |
Find flight
from$166 |
|
|
15:49 — 19:53
+1 day
|
15:49 — 19:13
NK2127
Spirit Airlines
Boston — Miami
2h 55m stop
22:08 — 00:25
NK777
Spirit Airlines
Miami — Las Vegas
18h 11m stop
18:36 — 19:53
NK2020
Spirit Airlines
Las Vegas — San Diego
|
31h 4m including layover |
Find flight
from$147 |
|
|
16:44 — 18:26
+1 day
|
15:49 — 19:13
NK2127
Spirit Airlines
Boston — Miami
2h 10m stop
22:08 — 00:25
NK777
Spirit Airlines
Miami — Las Vegas
16h 15m stop
16:43 — 18:03
NK2295
Spirit Airlines
Las Vegas — San Diego
|
28h 42m including layover |
Find flight
from$147 |
|
|
16:44 — 23:29
+1 day
|
15:49 — 19:13
NK2127
Spirit Airlines
Boston — Miami
2h 10m stop
22:08 — 00:25
NK777
Spirit Airlines
Miami — Las Vegas
21h 21m stop
22:42 — 23:56
NK2390
Spirit Airlines
Las Vegas — San Diego
|
33h 45m including layover |
Find flight
from$147 |
|
|
17:36 — 23:29
+1 day
|
17:42 — 20:53
NK2093
Spirit Airlines
Boston — Orlando
1h 5m stop
21:57 — 23:59
NK2292
Spirit Airlines
Orlando — Las Vegas
21h 56m stop
22:42 — 23:56
NK2390
Spirit Airlines
Las Vegas — San Diego
|
32h 53m including layover |
Find flight
from$147 |
|
|
17:42 — 18:03
+1 day
|
17:42 — 20:53
NK2093
Spirit Airlines
Boston — Orlando
1h 4m stop
21:57 — 23:59
NK2292
Spirit Airlines
Orlando — Las Vegas
16h 44m stop
16:43 — 18:03
NK2295
Spirit Airlines
Las Vegas — San Diego
|
27h 21m including layover |
Find flight
from$147 |
|
|
19:47 — 12:08
+1 day
|
19:47 — 21:21
NK2523
Spirit Airlines
Boston — Baltimore
9h 56m stop
07:17 — 09:25
NK2015
Spirit Airlines
Baltimore — Las Vegas
1h 30m stop
10:55 — 12:08
NK2502
Spirit Airlines
Las Vegas — San Diego
|
19h 21m including layover |
Find flight
from$190 |
|
|
21:40 — 18:26
+1 day
|
19:47 — 21:21
NK2523
Spirit Airlines
Boston — Baltimore
6h 47m stop
07:17 — 09:25
NK2015
Spirit Airlines
Baltimore — Las Vegas
9h 1m stop
16:43 — 18:03
NK2295
Spirit Airlines
Las Vegas — San Diego
|
23h 46m including layover |
Find flight
from$181 |
|
*Departure and arrival times - local. Updated on August 2, 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 05:25 to 22:40 from 4 Boston airports and arrive 05:25 to 22:40 to 11 San Diego airports. Average flight time is 6h 10m.
- The fastest flight 6h 5m
- Average flight time 6h 10m
- The earliest flight 05:25
- The latest flight 22:40
- Distance 2583 ml
The cheapest months to travel to San Diego are june (from 122 $), september (from 126 $), august (from 126 $).
The most expensive months are february (from 268 $), december (from 263 $), november (from 241 $).
What is the lowest airfare Boston to San Diego?
The cheapest plane ticket found by our users is $122. This airfare is for economy class on one-way G4433 flight by Allegiant Air for June 6, 2025 which leaves Logan in Boston at 10:39 am and arrives at San Diego San Diego at 16:22.
Economy class
$122
Business class
?
First class
?
Popular Airlines on the Route
The flight Boston — San Diego is served by 7 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 48 departures per week at the price of from $ 129 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 13020.
Direct flights
There are 7 nonstop flights on the route. The fastest direct flight is HA4821 by Hawaiian Airlines takes 6h 5m and the cheapest is G4433 by Allegiant Air for $126.
- AS - Alaska Airlinesfrom $129Find
- HA - Hawaiian Airlinesfrom $126Find
See more direct flights
Connecting Flights
There are 423 flights with layovers on the route. The fastest connecting flight is UA497 by United Airlines takes 7h 38m and the cheapest is G4433 by Allegiant Air for $122.
- AS - Alaska Airlinesfrom $162Find
- SY - Sun Country Airlinesfrom $198Find
- HA - Hawaiian Airlinesfrom $153Find
- UA - United Airlinesfrom $181Find
- TP - TAP Portugalfrom $1449Find
- G4 - Allegiant Airfrom $122Find
- NK - Spirit Airlinesfrom $147Find
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-JBCFind
- Boston RT128 Rail-ZRUFind
- Boston South Rail-ZTOFind
- Logan-BOSfrom $122Find
San Diego airports
- San Diego-SANFind
- San Diego Regional-USAFind
- Gillespie Field-SEEFind
- Golden Triangle Reg.-GTRFind
- El Cajon-CJNFind
- Lowndes County-UBSFind
- Miramar NAS-NKXFind
- Montgomery Field-MYFFind
- North Island NAS-NZYFind
- Brown Field Municipal-SDMFind
- AFB-CBMFind
Airplanes
There are flights to San Diego from Boston by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Boston
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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.
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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.
To find a plane ticket, please select dates.