$152+ Cheap flights from Boston to San Jose, CA (BOS - SJC)
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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJC
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Boston to San Jose 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boston Logan Intl to San Jose are usually found in September or October, booked 41 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Boston to San Jose
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to San JoseExplore the most affordable flight options available from Boston to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Boston to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:03 am -
1 stop10h 41m
Mon 11/166:17 am -
1 stop14h 41m
Deal found 9/7![Alaska Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 10/37:45 am -
1 stop8h 53m
Tue 10/612:59 pm -
1 stop7h 46m
Deal found 9/8![American Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 9/10. 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 10/215:50 am -
1 stop9h 49m
Sun 10/257:11 pm -
1 stop8h 14m
Deal found 9/10![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 9/8. 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 10/206:05 am -
1 stop9h 42m
Fri 10/236:34 pm -
1 stop7h 53m
Deal found 9/8![Delta logo]()
$314
This Southwest deal was found by Cheapflights users on 9/7. 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 9/162:10 pm -
1 stop9h 25m
Tue 9/221:25 pm -
1 stop7h 45m
Deal found 9/7![Southwest logo]()
$315
This Southwest deal was found by Cheapflights users on 9/8. 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 10/35:35 am -
1 stop12h 50m
Tue 10/67:20 am -
2 stops11h 00m
Deal found 9/8![Southwest logo]()
$316
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/105:17 am -
1 stop8h 47m
Sat 10/1712:02 pm -
1 stop8h 53m
Deal found 9/6![American Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 9/7. 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 10/163:47 pm -
1 stop10h 13m
Mon 10/196:30 am -
1 stop8h 32m
Deal found 9/7![Delta logo]()
$325
This Southwest deal was found by Cheapflights users on 9/7. 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.
Tue 9/157:30 am -
2 stops16h 25m
Mon 9/2111:00 pm -
1 stop7h 55m
Deal found 9/7![Southwest logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:17 am -
1 stop8h 47m
Sun 10/187:16 pm -
1 stop7h 29m
Deal found 9/7![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 9/266:05 am -
1 stop9h 44m
Fri 10/212:51 pm -
1 stop9h 26m
Deal found 9/7![Delta logo]()
$329
Best flights from Boston to San JoseDiscover carefully curated flight deals from Boston to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Boston to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 10/267:55 am -
1 stop12h 07m
Wed 10/281:34 pm -
1 stop7h 46m
Deal found 9/9![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 10/216:40 pm -
1 stop18h 01m
Sun 10/259:15 am -
1 stop17h 13m
Deal found 9/6![Alaska Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 9/8. 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 9/253:55 pm -
1 stop10h 30m
Sat 9/2611:00 pm -
1 stop7h 15m
Deal found 9/8![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 9/8. 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 11/46:20 am -
1 stop10h 53m
Tue 11/107:25 pm -
1 stop8h 55m
Deal found 9/8![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:50 pm -
1 stop10h 00m
Sat 10/106:45 pm -
2 stops10h 20m
Deal found 9/6![Southwest logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 12/37:08 am -
1 stop10h 22m
Mon 12/77:35 pm -
1 stop9h 27m
Deal found 9/9![Alaska Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/14:30 pm -
1 stop8h 36m
Tue 10/64:31 pm -
1 stop9h 56m
Deal found 9/7![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/1610:50 am -
1 stop9h 12m
Mon 10/196:30 am -
1 stop8h 32m
Deal found 9/6![Delta logo]()
$325
This Southwest deal was found by Cheapflights users on 9/7. 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 10/76:45 am -
2 stops11h 25m
Wed 10/147:20 am -
2 stops11h 00m
Deal found 9/7![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 11/511:15 am -
1 stop8h 05m
Sun 11/86:34 pm -
1 stop7h 53m
Deal found 9/7![Delta logo]()
$330
Last-minute flights from Boston to San JoseDiscover last-minute flight deals from Boston to San Jose. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to San Jose. Data last updated September 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/7. 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.
Tue 9/157:30 am -
2 stops16h 25m
Mon 9/2111:00 pm -
1 stop7h 55m
Deal found 9/7![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 9/7. 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 9/162:10 pm -
1 stop9h 25m
Tue 9/221:25 pm -
1 stop7h 45m
Deal found 9/7![Southwest logo]()
$315
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 9/266:05 am -
1 stop9h 44m
Fri 10/212:51 pm -
1 stop9h 26m
Deal found 9/7![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 10/37:45 am -
1 stop8h 53m
Tue 10/612:59 pm -
1 stop7h 46m
Deal found 9/8![American Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 9/8. 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 10/35:35 am -
1 stop12h 50m
Tue 10/67:20 am -
2 stops11h 00m
Deal found 9/8![Southwest logo]()
$316
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/105:17 am -
1 stop8h 47m
Sat 10/1712:02 pm -
1 stop8h 53m
Deal found 9/6![American Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:17 am -
1 stop8h 47m
Sun 10/187:16 pm -
1 stop7h 29m
Deal found 9/7![American Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 9/7. 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 10/163:47 pm -
1 stop10h 13m
Wed 10/216:30 am -
1 stop8h 32m
Deal found 9/7![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 9/8. 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 10/206:05 am -
1 stop9h 42m
Fri 10/236:34 pm -
1 stop7h 53m
Deal found 9/8![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 9/9. 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 10/216:15 am -
1 stop10h 58m
Fri 10/2310:45 pm -
1 stop9h 17m
Deal found 9/9![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 10/216:40 pm -
1 stop18h 01m
Sun 10/259:15 am -
1 stop17h 13m
Deal found 9/6![Alaska Airlines logo]()
$310
One-way flights from Boston to San JoseSearch for one-way flight options from Boston to San Jose. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Boston to San Jose. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/155:17 am -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$152
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:20 am -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:20 pm -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$158
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/163:47 pm -
1 stop10h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$162
This Southwest deal was found by Cheapflights users on 9/9. 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 1/59:10 am -
2 stops11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$163
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 9/244:30 pm -
1 stop8h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$168
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:28 pm -
2 stops11h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$173
This Southwest deal was found by Cheapflights users on 9/5. 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 11/85:00 am -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Southwest logo]()
$176
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/610:51 am -
2 stops12h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/175:30 am -
1 stop9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$180
This Southwest deal was found by Cheapflights users on 9/7. 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 9/162:30 pm -
2 stops10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$181
Find flight deals from Boston to San Jose
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Jose (SJC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Alaska Airlines) |
One-way from | $152 (American Airlines) |
Popular in | February |
Cheapest in | September |
Average price | $319 |
Good round-trip deal | $1,003 or less |
Good one-way deal | $338 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to San Jose 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 September 10, 2026.
Use the filters below to find and compare flights from Boston to San Jose that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Wed 12/16
8:25 am-3:55 pm
1 stop10h 30m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$153
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Fri 11/20
7:50 am-5:09 pm
1 stop12h 19m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$153
Quickest round-trip
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Tue 10/20
5:30 am-11:44 am
1 stop9h 14m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$153
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Tue 11/17
8:25 am-3:55 pm
1 stop10h 30m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$153
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Tue 9/22
10:50 am-6:20 pm
1 stop10h 30m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$158
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Wed 9/16
3:20 pm-11:05 pm
1 stop10h 45m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$158
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Thu 12/17
3:30 pm-9:55 pm
1 stop9h 25m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$180
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Tue 1/5
5:30 am-12:55 pm
2 stops10h 25m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$181
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Tue 10/6
2:50 pm-10:50 pm
2 stops11h 00m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$205
BostonSan Jose
BOS Boston Logan Intl - SJC San Jose
BOSSJC
Boston Logan Intl
Mon 11/23
12:55 pm-7:50 pm
2 stops9h 55m
San Jose
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$205
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Boston to San Jose
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to San Jose in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Boston-San Jose, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-San Jose, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-San Jose, California flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-San Jose, California flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-San Jose, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to San Jose
Have a flexible travel schedule? Discover the best time to fly to San Jose from Boston with our price prediction graph.
BOS-SJC
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 Boston to San Jose
How far ahead should I book a flight from Boston to San Jose, California?
The best time to book flights from Boston to San Jose, California is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Boston to San Jose, California?
Currently, September is the cheapest month in which you can book a flight from Boston to San Jose, California (average of $319). Flying from Boston to San Jose, California in February is currently the most expensive (average of $660). 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.
How much does it cost to fly round-trip from Boston to San Jose, California?
Airfare is typical for this route at the moment.
Boston to San Jose, California flights typically cost between $284 and $395 in November.The cheapest round-trip price found within the last 5 days was $305 on Alaska Airlines (Nov 4-Nov 16).
Reviews of airlines servicing San Jose
Get insights into the airlines that provide service to San Jose. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Jose. Reviews last updated September 10, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Boston to San Jose. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Boston to San Jose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Boston and San Jose flights
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Other flights from Boston
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Top 6 airlines flying from Boston to San Jose
Discover the top 6 airlines that operate flights from Boston to San Jose. 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$152 | Average$383 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$360 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$244 | Average$430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$454 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$289 | Average$451 | FlexibilityNo cancel fee | On-time63% |