$123+ Cheap flights from Massachusetts to San Diego (SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAN
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Massachusetts to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Massachusetts to San Diego
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Cheapest flights from Massachusetts to San DiegoExplore the most affordable flight options available from Massachusetts to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from Massachusetts to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:05 am -
1 stop8h 32m
Sat 9/266:25 am -
2 stops14h 17m
Deal found 8/18![Multiple Airlines logo]()
$234
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:40 am -
2 stops11h 30m
Tue 9/223:55 pm -
Nonstop5h 35m
Deal found 8/17![Southwest logo]()
$252
This Super.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:41 pm -
Nonstop6h 05m
Tue 9/298:27 pm -
Nonstop5h 55m
Deal found 8/18![JetBlue logo]()
$254
This Cheapflightsfares deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:30 am -
Nonstop6h 35m
Wed 10/281:45 pm -
Nonstop5h 22m
Deal found 8/18![JetBlue logo]()
$255
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:05 pm -
1 stop8h 24m
Sat 9/269:50 am -
1 stop9h 39m
Deal found 8/19![American Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:05 am -
Nonstop5h 55m
Mon 9/2810:40 pm -
1 stop8h 15m
Deal found 8/17![Southwest logo]()
$257
This Super.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:41 pm -
Nonstop6h 05m
Tue 9/151:48 pm -
Nonstop6h 12m
Deal found 8/20![JetBlue logo]()
$258
This JetBlue deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/154:45 pm -
Nonstop6h 31m
Fri 1/89:40 pm -
Nonstop5h 25m
Deal found 8/17![JetBlue logo]()
$260
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:49 pm -
1 stop8h 35m
Tue 9/222:15 pm -
1 stop7h 55m
Deal found 8/18![United Airlines logo]()
$262
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:41 pm -
Nonstop6h 05m
Mon 10/58:25 pm -
Nonstop6h 09m
Deal found 8/17![JetBlue logo]()
$264
This Cheapflightsfares deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:00 pm -
Nonstop6h 07m
Mon 10/58:25 pm -
Nonstop6h 09m
Deal found 8/17![JetBlue logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:15 am -
1 stop7h 33m
Wed 9/94:54 pm -
2 stops26h 13m
Deal found 8/18![Multiple Airlines logo]()
$277
Best flights from Massachusetts to San DiegoDiscover carefully curated flight deals from Massachusetts to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Massachusetts to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:30 pm -
2 stops10h 35m
Mon 11/99:25 am -
Nonstop5h 25m
Deal found 8/17![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1211:45 am -
1 stop8h 25m
Mon 1/1810:30 pm -
1 stop7h 54m
Deal found 8/19![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:00 am -
Nonstop6h 12m
Fri 10/28:59 pm -
Nonstop5h 50m
Deal found 8/20![Alaska Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:10 pm -
Nonstop6h 05m
Sat 9/1910:04 pm -
Nonstop5h 36m
Deal found 8/17![Delta logo]()
$285
This JetBlue deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:00 pm -
1 stop10h 20m
Sat 10/313:00 pm -
Nonstop5h 24m
Deal found 8/21![JetBlue logo]()
$309
This American Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:23 pm -
1 stop20h 43m
Wed 9/96:20 am -
1 stop7h 29m
Deal found 8/21![American Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:34 am -
1 stop8h 41m
Sun 11/2210:20 pm -
1 stop7h 57m
Deal found 8/21![United Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:00 pm -
1 stop12h 50m
Sun 10/253:00 pm -
Nonstop5h 30m
Deal found 8/18![Southwest logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:51 am -
Nonstop6h 18m
Sat 10/108:34 pm -
Nonstop5h 47m
Deal found 8/17![Alaska Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:10 pm -
Nonstop6h 05m
Mon 9/2110:04 pm -
Nonstop5h 36m
Deal found 8/17![Delta logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:51 am -
Nonstop6h 18m
Mon 11/29:15 am -
1 stop11h 43m
Deal found 8/21![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:10 pm -
Nonstop6h 05m
Sun 9/2010:04 pm -
Nonstop5h 36m
Deal found 8/21![Delta logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:07 am -
1 stop10h 21m
Mon 11/29:07 pm -
Nonstop5h 39m
Deal found 8/19![Alaska Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:10 am -
1 stop8h 15m
Sat 9/2610:30 pm -
1 stop9h 19m
Deal found 8/20![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/78:35 am -
1 stop9h 00m
Wed 1/137:55 pm -
2 stops9h 00m
Deal found 8/19![Southwest logo]()
$356
This JetBlue deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 am -
1 stop8h 23m
Wed 12/912:35 pm -
1 stop8h 22m
Deal found 8/21![JetBlue logo]()
$422
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:33 am -
1 stop7h 24m
Mon 9/147:41 pm -
2 stops10h 56m
Deal found 8/17![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:21 pm -
1 stop7h 44m
Wed 9/1612:52 pm -
1 stop8h 05m
Deal found 8/21![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am -
2 stops10h 00m
Wed 10/73:15 pm -
1 stop14h 00m
Deal found 8/17![Southwest logo]()
$374
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:23 pm -
1 stop20h 43m
Sat 9/59:36 pm -
1 stop16h 22m
Deal found 8/17![American Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am -
1 stop8h 15m
Wed 9/911:00 am -
2 stops9h 58m
Deal found 8/18![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:55 am -
1 stop9h 50m
Fri 10/307:20 am -
1 stop6h 35m
Deal found 8/18![Southwest logo]()
$377
This KAYAK deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:23 pm -
2 stops47h 45m
Fri 9/188:20 pm -
2 stops16h 25m
Deal found 8/18![Multiple Airlines logo]()
$1,006
This American Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:23 pm -
1 stop20h 43m
Tue 9/89:36 pm -
1 stop16h 13m
Deal found 8/20![American Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:12 pm -
1 stop9h 18m
Fri 9/259:45 pm -
1 stop8h 52m
Deal found 8/20![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop7h 20m
Tue 11/101:25 pm -
1 stop7h 05m
Deal found 8/20![Delta logo]()
$415
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:25 pm -
1 stop7h 50m
Sun 10/187:40 pm -
2 stops9h 35m
Deal found 8/20![Southwest logo]()
$420
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:10 pm -
2 stops32h 52m
Sun 11/810:00 pm -
2 stops13h 52m
Deal found 8/19![Delta logo]()
$420
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:16 pm -
1 stop20h 51m
Sat 9/196:20 am -
1 stop7h 29m
Deal found 8/18![American Airlines logo]()
$550
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:00 pm -
1 stop8h 41m
Sun 11/111:21 am -
1 stop9h 09m
Deal found 8/19![United Airlines logo]()
$415
Last-minute flights from Massachusetts to San DiegoDiscover last-minute flight deals from Massachusetts to San Diego. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to San Diego. Data last updated August 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:15 am -
1 stop7h 33m
Wed 9/94:54 pm -
2 stops26h 13m
Deal found 8/18![Multiple Airlines logo]()
$277
This Super.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:41 pm -
Nonstop6h 05m
Tue 9/151:48 pm -
Nonstop6h 12m
Deal found 8/20![JetBlue logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:05 am -
1 stop8h 32m
Sat 9/266:25 am -
2 stops14h 17m
Deal found 8/18![Multiple Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:49 pm -
1 stop8h 35m
Tue 9/222:15 pm -
1 stop7h 55m
Deal found 8/18![United Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:05 am -
Nonstop5h 55m
Sat 9/193:55 pm -
Nonstop5h 35m
Deal found 8/17![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:40 am -
2 stops11h 30m
Tue 9/223:55 pm -
Nonstop5h 35m
Deal found 8/17![Southwest logo]()
$252
This American Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:05 pm -
1 stop8h 24m
Sat 9/269:50 am -
1 stop9h 39m
Deal found 8/19![American Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:05 am -
1 stop8h 32m
Sat 9/266:25 am -
2 stops14h 17m
Deal found 8/18![Multiple Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:05 am -
Nonstop5h 55m
Mon 9/2810:40 pm -
1 stop8h 15m
Deal found 8/17![Southwest logo]()
$257
This Super.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:41 pm -
Nonstop6h 05m
Tue 9/298:27 pm -
Nonstop5h 55m
Deal found 8/18![JetBlue logo]()
$254
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:41 pm -
Nonstop6h 05m
Mon 10/58:25 pm -
Nonstop6h 09m
Deal found 8/17![JetBlue logo]()
$264
This Cheapflightsfares deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:41 pm -
Nonstop6h 05m
Mon 9/288:27 pm -
Nonstop5h 55m
Deal found 8/17![JetBlue logo]()
$265
One-way flights from Massachusetts to San DiegoSearch for one-way flight options from Massachusetts to San Diego. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Massachusetts to San Diego. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:05 am -
1 stop8h 32m
Deal found 8/18![Breeze Airways logo]()
$123
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:30 am -
Nonstop6h 35m
Deal found 8/17![JetBlue logo]()
$137
This Super.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:00 am -
Nonstop6h 32m
Deal found 8/17![JetBlue logo]()
$138
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:55 am -
1 stop9h 39m
Deal found 8/18![United Airlines logo]()
$139
This Super.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:41 pm -
Nonstop6h 05m
Deal found 8/19![JetBlue logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:20 am -
1 stop8h 04m
Deal found 8/17![Breeze Airways logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:54 pm -
2 stops13h 57m
Deal found 8/17![Frontier logo]()
$141
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/85:15 pm -
Nonstop6h 33m
Deal found 8/17![Delta logo]()
$142
This Southwest deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:10 am -
2 stops9h 45m
Deal found 8/17![Southwest logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:14 pm -
Nonstop6h 21m
Deal found 8/17![Alaska Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:54 pm -
2 stops13h 57m
Deal found 8/18![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:17 am -
2 stops15h 34m
Deal found 8/20![Frontier logo]()
$147
Find flight deals from Massachusetts to San Diego
Keep the following information in mind while searching for Massachusetts to San Diego flight deals. Data was last updated August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $234 (Kiwi.com) |
One-way from | $123 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $378 |
Good round-trip deal | $300 or less |
Good one-way deal | $200 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 22, 2026.
Use the filters below to find and compare flights from Massachusetts to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Wed 11/4
3:30 pm-11:05 pm
2 stops10h 35m
San Diego
Mon 11/9
9:25 am-5:50 pm
Nonstop5h 25m
$262
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Tue 1/12
11:45 am-5:10 pm
1 stop8h 25m
San Diego
Mon 1/18
10:30 pm-9:24 am
1 stop7h 54m
$277
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Tue 9/22
8:00 am-11:12 am
Nonstop6h 12m
San Diego
Fri 10/2
8:59 pm-5:49 am
Nonstop5h 50m
$277
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Wed 11/18
11:34 am-5:15 pm
1 stop8h 41m
San Diego
Sun 11/22
10:20 pm-9:17 am
1 stop7h 57m
$277
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Thu 10/22
10:00 pm-7:50 am
1 stop12h 50m
San Diego
Sun 10/25
3:00 pm-11:30 pm
Nonstop5h 30m
$283
Quickest round-trip
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Thu 9/17
5:10 pm-8:15 pm
Nonstop6h 05m
San Diego
Sat 9/19
10:04 pm-6:40 am
Nonstop5h 36m
$285
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Wed 10/7
7:51 am-11:09 am
Nonstop6h 18m
San Diego
Sat 10/10
8:34 pm-5:21 am
Nonstop5h 47m
$290
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Thu 9/17
5:10 pm-8:15 pm
Nonstop6h 05m
San Diego
Mon 9/21
10:04 pm-6:40 am
Nonstop5h 36m
$295
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Fri 10/30
1:00 pm-8:20 pm
1 stop10h 20m
San Diego
Sat 10/31
3:00 pm-11:24 pm
Nonstop5h 24m
$309
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Fri 10/30
7:51 am-11:09 am
Nonstop6h 18m
San Diego
Mon 11/2
9:15 am-11:58 pm
1 stop11h 43m
$315
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Massachusetts to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Massachusetts with our price prediction graph.
BDL-SAN
BOS-SAN
ORH-SAN
ALB-SAN
MVY-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Massachusetts to San Diego
USMA-SAN
BDL-SAN
BOS-SAN
ORH-SAN
ALB-SAN
What is the cheapest month to book a flight from Massachusetts to San Diego?
Currently, January is the cheapest month in which you can book a flight from Massachusetts to San Diego (average of $325). Flying from Massachusetts to San Diego in December is currently the most expensive (average of $471). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MA to SAN?
Find hourly flight availability from Massachusetts to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 22, 2026.
When flying from Massachusetts to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Massachusetts to San Diego
Explore weekly flight availability from Massachusetts to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 22, 2026.
The most flights from USMA to SAN are scheduled on a Thursday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Massachusetts to San Diego?
Airfare is below average for this route at the moment.
Massachusetts to San Diego flights typically cost between $278 and $470 in September.The cheapest round-trip price found within the last 5 days was $252 on Southwest (Sep 19-Sep 22).
How far ahead should I book a flight from Massachusetts to San Diego?
The price you pay for your flight from Massachusetts to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Massachusetts to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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Alternative routes for Massachusetts to San Diego
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Complete your trip
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Find flights from Massachusetts to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Massachusetts and San Diego flights
Browse other Massachusetts and San Diego flight options. Last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.
Massachusetts to San Diego flights
Consider these flights traveling from Massachusetts to San Diego.
Top 7 airlines flying from Massachusetts to San Diego
Discover the top 7 airlines that operate flights from Massachusetts to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$407 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$132 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$363 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$402 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$241 | Average$469 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$394 | FlexibilityNo cancel fee | On-time63% |