$137+ Cheap flights from Massachusetts to San Diego (SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAN
Nov 8 — Nov 151
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 October 9, 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 October 9, 2026.
This JetBlue deal was found by Cheapflights users on 10/8. 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 10/279:30 am -
Nonstop6h 26m
Fri 10/309:40 pm -
1 stop10h 01m
Deal found 10/8![JetBlue logo]()
$250
This Southwest deal was found by Cheapflights users on 10/8. 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.
Fri 12/115:10 am -
1 stop8h 20m
Mon 12/1411:25 am -
Nonstop5h 20m
Deal found 10/8![Southwest logo]()
$251
This Southwest deal was found by Cheapflights users on 10/8. 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 12/128:00 am -
Nonstop6h 25m
Sun 12/139:25 am -
Nonstop5h 25m
Deal found 10/8![Southwest logo]()
$252
This Super.com deal was found by Cheapflights users on 10/5. 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.
Wed 10/213:35 pm -
Nonstop6h 11m
Tue 10/279:40 pm -
1 stop10h 01m
Deal found 10/5![JetBlue logo]()
$253
This JetBlue deal was found by Cheapflights users on 10/6. 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.
Thu 11/191:24 pm -
1 stop9h 20m
Sun 11/228:55 pm -
Nonstop5h 30m
Deal found 10/6![JetBlue logo]()
$254
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/54:41 pm -
1 stop10h 13m
Thu 11/196:26 am -
1 stop8h 30m
Deal found 10/5![American Airlines logo]()
$255
This JetBlue deal was found by Cheapflights users on 10/6. 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.
Thu 10/297:00 am -
Nonstop6h 31m
Sat 10/3112:33 pm -
1 stop8h 16m
Deal found 10/6![JetBlue logo]()
$256
This Delta deal was found by Cheapflights users on 10/7. 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.
Mon 11/95:40 pm -
1 stop8h 52m
Sat 11/142:33 pm -
1 stop7h 35m
Deal found 10/7![Delta logo]()
$257
This JetBlue deal was found by Cheapflights users on 10/8. 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 10/271:00 pm -
1 stop10h 25m
Thu 11/122:07 pm -
Nonstop5h 52m
Deal found 10/8![JetBlue logo]()
$258
This Southwest deal was found by Cheapflights users on 10/5. 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 11/128:15 am -
Nonstop6h 25m
Fri 11/139:25 am -
Nonstop5h 25m
Deal found 10/5![Southwest logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/277:51 am -
Nonstop6h 18m
Fri 10/308:15 am -
Nonstop5h 52m
Deal found 10/5![Alaska Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 10/7. 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 10/245:15 am -
2 stops10h 05m
Tue 10/276:30 am -
2 stops11h 50m
Deal found 10/7![Southwest logo]()
$261
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 October 9, 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 October 9, 2026.
This Southwest deal was found by Cheapflights users on 10/5. 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 11/1410:40 am -
2 stops11h 45m
Sat 11/2110:30 pm -
Nonstop5h 15m
Deal found 10/5![Southwest logo]()
$255
This JetBlue deal was found by Cheapflights users on 10/8. 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.
Sat 12/126:00 am -
Nonstop6h 30m
Sun 12/138:50 pm -
1 stop7h 49m
Deal found 10/8![JetBlue logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Mon 11/27:03 am -
Nonstop6h 31m
Thu 11/59:07 pm -
Nonstop5h 39m
Deal found 10/6![Alaska Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 10/5. 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.
Mon 10/264:10 pm -
2 stops10h 38m
Mon 11/210:25 pm -
2 stops14h 02m
Deal found 10/5![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 10/5. 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 2/204:14 pm -
1 stop8h 32m
Sat 2/279:25 pm -
1 stop15h 24m
Deal found 10/5![American Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 10/5. 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 10/2910:50 am -
Nonstop6h 15m
Mon 11/29:25 am -
Nonstop5h 25m
Deal found 10/5![Southwest logo]()
$256
This JetBlue deal was found by Cheapflights users on 10/4. 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.
Wed 11/47:00 am -
Nonstop6h 31m
Fri 11/1311:48 am -
1 stop9h 00m
Deal found 10/4![JetBlue logo]()
$287
This Southwest deal was found by Cheapflights users on 10/5. 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.
Sun 12/65:10 pm -
1 stop8h 05m
Tue 12/811:25 am -
Nonstop5h 20m
Deal found 10/5![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 10/8. 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.
Mon 12/143:05 pm -
1 stop8h 19m
Tue 12/2910:13 pm -
Nonstop5h 27m
Deal found 10/8![Delta logo]()
$312
This JetBlue deal was found by Cheapflights users on 10/7. 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.
Mon 11/97:00 am -
Nonstop6h 31m
Fri 11/2011:39 am -
1 stop9h 53m
Deal found 10/7![JetBlue logo]()
$303
This Delta deal was found by Cheapflights users on 10/8. 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 10/275:10 pm -
Nonstop6h 18m
Sun 11/19:53 pm -
Nonstop5h 42m
Deal found 10/8![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 10/7. 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 10/245:15 am -
2 stops10h 05m
Sat 10/312:55 pm -
2 stops15h 10m
Deal found 10/7![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Thu 11/55:36 pm -
2 stops18h 44m
Thu 11/126:20 am -
1 stop7h 47m
Deal found 10/8![American Airlines logo]()
$402
This Expedia deal was found by Cheapflights users on 10/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:05 am -
1 stop8h 31m
Sun 10/258:41 pm -
1 stop9h 34m
Deal found 10/6![Multiple Airlines logo]()
$847
This Southwest deal was found by Cheapflights users on 10/5. 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.
Fri 1/18:25 am -
Nonstop6h 20m
Mon 1/410:35 pm -
1 stop8h 10m
Deal found 10/5![Southwest logo]()
$341
This Delta deal was found by Cheapflights users on 10/6. 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 10/224:15 pm -
2 stops10h 33m
Mon 10/2610:25 pm -
2 stops14h 02m
Deal found 10/6![Delta logo]()
$418
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 10/225:16 pm -
1 stop21h 04m
Mon 10/266:20 am -
1 stop7h 29m
Deal found 10/6![American Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 10/5. 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 10/254:10 pm -
2 stops25h 10m
Mon 11/210:25 pm -
2 stops14h 02m
Deal found 10/5![Delta logo]()
$530
This Delta deal was found by Cheapflights users on 10/5. 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 10/254:10 pm -
2 stops25h 10m
Sat 10/3110:25 pm -
2 stops15h 02m
Deal found 10/5![Delta logo]()
$530
Last-minute flights from Massachusetts to San DiegoDiscover last-minute flight deals from Massachusetts to San Diego. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to San Diego. Data last updated October 9, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 10/5. 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.
Wed 10/213:35 pm -
Nonstop6h 11m
Tue 10/279:40 pm -
1 stop10h 01m
Deal found 10/5![JetBlue logo]()
$253
This Southwest deal was found by Cheapflights users on 10/7. 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 10/245:15 am -
2 stops10h 05m
Tue 10/276:30 am -
2 stops11h 50m
Deal found 10/7![Southwest logo]()
$261
This JetBlue deal was found by Cheapflights users on 10/8. 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 10/279:30 am -
Nonstop6h 26m
Fri 10/309:40 pm -
1 stop10h 01m
Deal found 10/8![JetBlue logo]()
$250
This JetBlue deal was found by Cheapflights users on 10/8. 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 10/271:00 pm -
1 stop10h 25m
Thu 11/122:07 pm -
Nonstop5h 52m
Deal found 10/8![JetBlue logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/277:51 am -
Nonstop6h 18m
Fri 10/308:15 am -
Nonstop5h 52m
Deal found 10/5![Alaska Airlines logo]()
$260
This JetBlue deal was found by Cheapflights users on 10/6. 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.
Thu 10/297:00 am -
Nonstop6h 31m
Sat 10/3112:33 pm -
1 stop8h 16m
Deal found 10/6![JetBlue logo]()
$256
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/54:41 pm -
1 stop10h 13m
Thu 11/196:26 am -
1 stop8h 30m
Deal found 10/5![American Airlines logo]()
$255
This Super.com deal was found by Cheapflights users on 10/8. 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 11/67:00 am -
Nonstop6h 31m
Mon 11/99:40 pm -
1 stop10h 01m
Deal found 10/8![JetBlue logo]()
$251
This Delta deal was found by Cheapflights users on 10/7. 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.
Mon 11/95:40 pm -
1 stop8h 52m
Sat 11/142:33 pm -
1 stop7h 35m
Deal found 10/7![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 10/5. 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 11/128:15 am -
Nonstop6h 25m
Fri 11/139:25 am -
Nonstop5h 25m
Deal found 10/5![Southwest logo]()
$259
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sun 11/158:15 am -
Nonstop6h 25m
Tue 11/1711:25 am -
Nonstop5h 25m
Deal found 10/8![Southwest logo]()
$252
This JetBlue deal was found by Cheapflights users on 10/6. 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.
Thu 11/191:24 pm -
1 stop9h 20m
Sun 11/228:55 pm -
Nonstop5h 30m
Deal found 10/6![JetBlue logo]()
$254
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 October 9, 2026.
Search for one-way flight options from Massachusetts to San Diego. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 11/229:35 am -
Nonstop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![JetBlue logo]()
$137
This Delta deal was found by Cheapflights users on 10/8. 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.
Wed 11/45:05 pm -
1 stop9h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Delta logo]()
$139
This American Airlines deal was found by Cheapflights users on 10/8. 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 11/66:00 am -
1 stop8h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![American Airlines logo]()
$140
This Southwest deal was found by Cheapflights users on 10/7. 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 12/168:25 am -
Nonstop6h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$141
This JetBlue deal was found by Cheapflights users on 10/7. 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.
Sat 12/194:00 pm -
Nonstop6h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![JetBlue logo]()
$145
This Southwest deal was found by Cheapflights users on 10/7. 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.
Fri 11/68:15 am -
Nonstop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$146
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sun 12/208:05 pm -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 10/307:00 am -
Nonstop6h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![JetBlue logo]()
$150
This United Airlines deal was found by Cheapflights users on 10/7. 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 10/2410:36 am -
1 stop8h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$151
This Delta deal was found by Cheapflights users on 10/7. 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 10/305:10 pm -
Nonstop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$152
This Southwest deal was found by Cheapflights users on 10/7. 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 11/2110:20 pm -
1 stop13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 12/711:08 am -
2 stops26h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$155
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 October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (JetBlue) |
One-way from | $137 (Cheapflightsfares) |
Popular in | December |
Cheapest in | January |
Average price | $397 |
Good round-trip deal | $303 or less |
Good one-way deal | $225 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 October 9, 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 12/16
8:25 am-11:45 am
Nonstop6h 20m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Mon 4/5
5:15 pm-8:48 pm
Nonstop6h 33m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$184
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Wed 4/7
5:15 pm-8:48 pm
Nonstop6h 33m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$187
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Mon 11/23
10:30 am-10:58 pm
2 stops15h 28m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$193
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Sun 2/28
5:00 am-11:35 am
2 stops9h 35m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$202
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Tue 10/27
12:50 pm-8:25 pm
2 stops10h 35m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$214
Quickest round-trip
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Thu 10/22
7:51 am-11:09 am
Nonstop6h 18m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Thu 10/22
9:51 am-8:29 pm
2 stops13h 38m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$221
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Fri 1/8
7:10 am-1:50 pm
2 stops9h 40m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Sat 11/14
10:40 am-7:25 pm
2 stops11h 45m
San Diego
Sat 11/21
10:30 pm-6:45 am
Nonstop5h 15m
$255
Showing 1-10 of 39 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.
BOS-SAN
ORH-SAN
HYA-SAN
ACK-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
BOS-SAN
ORH-SAN
HYA-SAN
ACK-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 $317). Flying from Massachusetts to San Diego in December is currently the most expensive (average of $461). 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 October 9, 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 October 9, 2026.
The most flights from USMA to SAN are scheduled on a Wednesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 $296 and $486 in October.The cheapest round-trip price found within the last 5 days was $250 on JetBlue (Oct 27-Oct 30).
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 60 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
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Massachusetts to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Massachusetts to San Diego by cabin class
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 October 9, 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 October 9, 2026.
Massachusetts to San Diego flights
Consider these flights traveling from Massachusetts to San Diego.
Top 6 airlines flying from Massachusetts to San Diego
Discover the top 6 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 October 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$188 | Average$366 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$395 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$236 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$244 | Average$465 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$397 | FlexibilityNo cancel fee | On-time63% |