$140+ Cheap flights from Boston to San Jose, CA (BOS - SJC)
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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJC
Aug 26 — Sep 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 August, 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 July 27, 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 July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/23. 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
BOS
- SJC
1 stop10h 05m
Southwest
Tue 9/2211:00 pm
SJC
- BOS
1 stop7h 55m
Southwest
Deal found 7/23![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 7/23. 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 9/113:10 pm
BOS
- SJC
1 stop9h 12m
Delta
Sat 9/1212:51 pm
SJC
- BOS
1 stop9h 26m
Delta
Deal found 7/23![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/205:45 am
BOS
- SJC
2 stops10h 23m
United Airlines
Thu 8/272:10 pm
SJC
- BOS
1 stop8h 01m
United Airlines
Deal found 7/23![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 7/27. 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 9/167:55 am
BOS
- SJC
1 stop12h 04m
Delta
Wed 9/301:23 pm
SJC
- BOS
1 stop7h 36m
Delta
Deal found 7/27![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 7/23. 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 8/213:25 pm
BOS
- SJC
2 stops10h 55m
Southwest
Tue 8/258:40 am
SJC
- BOS
1 stop10h 30m
Southwest
Deal found 7/23![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 7/23. 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
BOS
- SJC
2 stops12h 35m
Southwest
Mon 9/218:30 pm
SJC
- BOS
2 stops10h 25m
Southwest
Deal found 7/23![Southwest logo]()
$289
This Southwest deal was found by Cheapflights users on 7/27. 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
BOS
- SJC
2 stops10h 15m
Southwest
Wed 9/2311:30 am
SJC
- BOS
1 stop10h 00m
Southwest
Deal found 7/27![Southwest logo]()
$290
This Southwest deal was found by Cheapflights users on 7/23. 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 8/262:45 pm
BOS
- SJC
2 stops9h 55m
Southwest
Fri 8/288:30 am
SJC
- BOS
2 stops10h 50m
Southwest
Deal found 7/23![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/25. 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 9/89:05 am
BOS
- SJC
1 stop10h 20m
Southwest
Tue 9/151:00 pm
SJC
- BOS
1 stop8h 30m
Southwest
Deal found 7/25![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 7/26. 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 8/253:20 pm
BOS
- SJC
2 stops9h 55m
Southwest
Tue 9/18:40 am
SJC
- BOS
2 stops9h 45m
Southwest
Deal found 7/26![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 7/27. 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.
Mon 10/2610:10 am
BOS
- SJC
1 stop13h 05m
Southwest
Tue 11/37:20 pm
SJC
- BOS
2 stops9h 55m
Southwest
Deal found 7/27![Southwest logo]()
$296
This Southwest deal was found by Cheapflights users on 7/23. 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 8/145:50 am
BOS
- SJC
1 stop10h 10m
Southwest
Tue 8/1811:00 pm
SJC
- BOS
1 stop7h 55m
Southwest
Deal found 7/23![Southwest logo]()
$297
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 July 27, 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 July 27, 2026.
This Delta deal was found by Cheapflights users on 7/23. 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 9/113:10 pm
BOS
- SJC
1 stop9h 12m
Delta
Sat 9/1212:51 pm
SJC
- BOS
1 stop9h 26m
Delta
Deal found 7/23![Delta logo]()
$282
This Southwest deal was found by Cheapflights users on 7/25. 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 8/225:40 am
BOS
- SJC
1 stop8h 05m
Southwest
Sat 8/2911:40 am
SJC
- BOS
1 stop9h 45m
Southwest
Deal found 7/25![Southwest logo]()
$285
This Delta deal was found by Cheapflights users on 7/26. 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 8/287:45 am
BOS
- SJC
1 stop12h 17m
Delta
Mon 8/315:10 pm
SJC
- BOS
1 stop10h 20m
Delta
Deal found 7/26![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 7/25. 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
BOS
- SJC
2 stops10h 15m
Southwest
Wed 9/2311:30 am
SJC
- BOS
1 stop10h 00m
Southwest
Deal found 7/25![Southwest logo]()
$290
This Delta deal was found by Cheapflights users on 7/27. 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 9/1710:55 am
BOS
- SJC
1 stop9h 29m
Delta
Tue 9/291:23 pm
SJC
- BOS
1 stop7h 36m
Delta
Deal found 7/27![Delta logo]()
$285
This Southwest deal was found by Cheapflights users on 7/24. 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 10/155:35 am
BOS
- SJC
1 stop11h 50m
Southwest
Fri 10/166:40 am
SJC
- BOS
1 stop8h 20m
Southwest
Deal found 7/24![Southwest logo]()
$290
This Southwest deal was found by Cheapflights users on 7/22. 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 8/283:25 pm
BOS
- SJC
2 stops10h 55m
Southwest
Mon 8/318:30 pm
SJC
- BOS
2 stops10h 25m
Southwest
Deal found 7/22![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/26. 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 8/253:20 pm
BOS
- SJC
2 stops9h 55m
Southwest
Mon 8/318:30 pm
SJC
- BOS
2 stops10h 25m
Southwest
Deal found 7/26![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 7/24. 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 8/145:50 am
BOS
- SJC
1 stop10h 10m
Southwest
Tue 8/1811:00 pm
SJC
- BOS
1 stop7h 55m
Southwest
Deal found 7/24![Southwest logo]()
$300
This Southwest deal was found by Cheapflights users on 7/27. 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 8/285:40 am
BOS
- SJC
2 stops9h 40m
Southwest
Sat 8/297:30 pm
SJC
- BOS
2 stops10h 10m
Southwest
Deal found 7/27![Southwest logo]()
$300
This Southwest deal was found by Cheapflights users on 7/24. 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 10/146:45 am
BOS
- SJC
1 stop10h 40m
Southwest
Sat 10/177:00 pm
SJC
- BOS
2 stops10h 05m
Southwest
Deal found 7/24![Southwest logo]()
$305
Last-minute flights from Boston to San JoseDiscover last-minute flight deals from Boston to San Jose. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to San Jose. Data last updated July 27, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/23. 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 8/145:50 am
BOS
- SJC
1 stop10h 10m
Southwest
Tue 8/1811:00 pm
SJC
- BOS
1 stop7h 55m
Southwest
Deal found 7/23![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/23. 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 8/207:30 am
BOS
- SJC
1 stop8h 15m
Southwest
Thu 8/2712:30 pm
SJC
- BOS
1 stop8h 55m
Southwest
Deal found 7/23![Southwest logo]()
$279
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/205:45 am
BOS
- SJC
2 stops10h 23m
United Airlines
Thu 8/272:10 pm
SJC
- BOS
1 stop8h 01m
United Airlines
Deal found 7/23![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 7/27. 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 8/207:40 am
BOS
- SJC
1 stop8h 20m
Southwest
Wed 8/268:45 am
SJC
- BOS
2 stops9h 40m
Southwest
Deal found 7/27![Southwest logo]()
$290
This Southwest deal was found by Cheapflights users on 7/23. 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 8/215:00 pm
BOS
- SJC
1 stop8h 15m
Southwest
Tue 8/251:00 pm
SJC
- BOS
1 stop8h 25m
Southwest
Deal found 7/23![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 7/26. 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 8/253:20 pm
BOS
- SJC
2 stops9h 55m
Southwest
Tue 9/18:40 am
SJC
- BOS
2 stops9h 45m
Southwest
Deal found 7/26![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 7/23. 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 8/262:45 pm
BOS
- SJC
2 stops9h 55m
Southwest
Fri 8/288:30 am
SJC
- BOS
2 stops10h 50m
Southwest
Deal found 7/23![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/24. 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 8/2710:30 am
BOS
- SJC
2 stops14h 30m
Southwest
Tue 9/18:45 am
SJC
- BOS
2 stops9h 40m
Southwest
Deal found 7/24![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 7/27. 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 8/287:40 am
BOS
- SJC
1 stop8h 20m
Southwest
Sat 8/2911:00 pm
SJC
- BOS
1 stop7h 15m
Southwest
Deal found 7/27![Southwest logo]()
$285
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 July 27, 2026.
Search for one-way flight options from Boston to San Jose. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Southwest deal was found by Cheapflights users on 7/23. 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 10/64:20 pm
BOS
- SJC
1 stop9h 55m
Southwest
Deal found 7/23![Southwest logo]()
$140
This Delta deal was found by Cheapflights users on 7/27. 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 8/2510:50 am
BOS
- SJC
1 stop9h 22m
Delta
Deal found 7/27![Delta logo]()
$143
This United Airlines deal was found by Cheapflights users on 7/23. 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 8/299:00 am
BOS
- SJC
2 stops14h 57m
United Airlines
Deal found 7/23![United Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 10/211:05 am
BOS
- SJC
2 stops36h 03m
Frontier
Deal found 7/23![Frontier logo]()
$147
This Southwest deal was found by Cheapflights users on 7/27. 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 8/213:25 pm
BOS
- SJC
2 stops10h 55m
Southwest
Deal found 7/27![Southwest logo]()
$148
This Southwest deal was found by Cheapflights users on 7/23. 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 9/267:05 am
BOS
- SJC
2 stops14h 10m
Southwest
Deal found 7/23![Southwest logo]()
$151
This Southwest deal was found by Cheapflights users on 7/26. 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 8/183:20 pm
BOS
- SJC
2 stops9h 55m
Southwest
Deal found 7/26![Southwest logo]()
$153
This Delta deal was found by Cheapflights users on 7/23. 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 8/235:51 am
BOS
- SJC
1 stop9h 36m
Delta
Deal found 7/23![Delta logo]()
$158
This Delta deal was found by Cheapflights users on 7/27. 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 9/67:45 am
BOS
- SJC
1 stop12h 17m
Delta
Deal found 7/27![Delta logo]()
$160
This Southwest deal was found by Cheapflights users on 7/26. 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.
Mon 8/245:40 am
BOS
- SJC
2 stops10h 00m
Southwest
Deal found 7/26![Southwest logo]()
$163
This United Airlines deal was found by Cheapflights users on 7/26. 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 10/39:30 am
BOS
- SJC
2 stops14h 18m
United Airlines
Deal found 7/26![United Airlines logo]()
$165
This American Airlines deal was found by Cheapflights users on 7/23. 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
BOS
- SJC
1 stop8h 47m
American Airlines
Deal found 7/23![American Airlines logo]()
$166
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 July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Southwest) |
One-way from | $140 (Southwest) |
Popular in | February |
Cheapest in | September |
Average price | $408 |
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 2,558,603 searches. Data last updated July 27, 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 - SJC
BOSSJC
Boston Logan Intl
Fri 9/11
3:10 pm-9:22 pm
1 stop9h 12m
San Jose
Sat 9/12
12:51 pm-1:17 am
1 stop9h 26m
$282
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Sat 8/22
5:40 am-10:45 am
1 stop8h 05m
San Jose
Sat 8/29
11:40 am-12:25 am
1 stop9h 45m
$285
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Fri 8/28
7:45 am-5:02 pm
1 stop12h 17m
San Jose
Mon 8/31
5:10 pm-6:30 am
1 stop10h 20m
$285
Quickest round-trip
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Thu 9/17
10:55 am-5:24 pm
1 stop9h 29m
San Jose
Tue 9/29
1:23 pm-11:59 pm
1 stop7h 36m
$285
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Wed 9/16
2:30 pm-9:45 pm
2 stops10h 15m
San Jose
Wed 9/23
11:30 am-12:30 am
1 stop10h 00m
$290
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Thu 10/15
5:35 am-2:25 pm
1 stop11h 50m
San Jose
Fri 10/16
6:40 am-6:00 pm
1 stop8h 20m
$290
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Fri 8/28
3:25 pm-11:20 pm
2 stops10h 55m
San Jose
Mon 8/31
8:30 pm-9:55 am
2 stops10h 25m
$292
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Tue 8/25
3:20 pm-10:15 pm
2 stops9h 55m
San Jose
Mon 8/31
8:30 pm-9:55 am
2 stops10h 25m
$295
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Fri 8/14
5:50 am-1:00 pm
1 stop10h 10m
San Jose
Tue 8/18
11:00 pm-9:55 am
1 stop7h 55m
$300
BostonSan Jose
BOS - SJC
BOSSJC
Boston Logan Intl
Fri 8/28
5:40 am-12:20 pm
2 stops9h 40m
San Jose
Sat 8/29
7:30 pm-8:40 am
2 stops10h 10m
$300
Showing 1-10 of 23 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 below average for this route at the moment.
Boston to San Jose, California flights typically cost between $286 and $390 in September.The cheapest round-trip price found within the last 5 days was $279 on Southwest (Sep 19-Sep 22).
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 July 27, 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.
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boston
Popular flights
San Jose flight routes
Alternative routes for Boston to San Jose
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Jose by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to San Jose by cabin class
Find flights from Boston to San Jose, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and San Jose flights
Browse other Boston and San Jose flight options. Last updated on July 27, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Jose
Explore flights to San Jose departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
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 2,558,603 searches. Data last updated July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$152 | Average$383 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$171 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$347 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$242 | Average$396 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$274 | Average$451 | FlexibilityNo cancel fee | On-time63% |