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Cheap flights from Boston to San Jose from $102

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Jose departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to San Jose

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
2:35 pm - 9:40 pmBOS  Boston Logan Intl-SJC San Jose
10h 05m1 stop Austin Bergstrom
Southwest Logo
11:10 am - 9:40 pmSJC  San Jose-BOS Boston Logan Intl
7h 30m1 stop Chicago Midway
$279Southwest
Tue, Dec 1 - Tue, Dec 8
Delta Logo
7:45 am - 5:02 pmBOS  Boston Logan Intl-SJC San Jose
12h 17m1 stop Seattle/Tacoma Intl
Delta Logo
11:41 am - 11:51 pmSJC  San Jose-BOS Boston Logan Intl
9h 10m1 stop Los Angeles
$281Delta
Mon, Sep 7 - Tue, Sep 15
Delta Logo
7:45 am - 5:02 pmBOS  Boston Logan Intl-SJC San Jose
12h 17m1 stop Seattle/Tacoma Intl
Delta Logo
5:13 pm - 6:30 amSJC  San Jose-BOS Boston Logan Intl
10h 17m1 stop Salt Lake City
$281Delta
Mon, Sep 7 - Sat, Sep 19
Southwest Logo
10:10 am - 8:15 pmBOS  Boston Logan Intl-SJC San Jose
13h 05m1 stop Denver Intl
Southwest Logo
7:10 pm - 8:40 amSJC  San Jose-BOS Boston Logan Intl
10h 30m2 stops San Diego Baltimore/Washington
$282Southwest
Mon, Oct 26 - Fri, Oct 30
United Airlines Logo
5:01 pm - 10:50 pmBOS  Boston Logan Intl-SJC San Jose
8h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
2:10 pm - 1:10 amSJC  San Jose-BOS Boston Logan Intl
8h 00m1 stop Chicago O'Hare Intl
$285United Airlines
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
5:01 pm - 10:50 pmBOS  Boston Logan Intl-SJC San Jose
8h 49m1 stop Chicago O'Hare Intl
United Airlines Logo
2:10 pm - 1:10 amSJC  San Jose-BOS Boston Logan Intl
8h 00m1 stop Chicago O'Hare Intl
$285United Airlines
Sat, Sep 5 - Fri, Sep 11
American Airlines Logo
7:33 am - 1:40 pmBOS  Boston Logan Intl-SJC San Jose
9h 07m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 7:52 pmSJC  San Jose-BOS Boston Logan Intl
10h 52m1 stop Dallas/Fort Worth
$295American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
7:29 am - 1:51 pmBOS  Boston Logan Intl-SJC San Jose
9h 22m1 stop Dallas/Fort Worth
American Airlines Logo
12:59 pm - 11:45 pmSJC  San Jose-BOS Boston Logan Intl
7h 46m1 stop Phoenix Sky Harbor Intl
$303American Airlines
Wed, Oct 21 - Mon, Oct 26
Alaska Airlines Logo
7:51 am - 2:55 pmBOS  Boston Logan Intl-SJC San Jose
10h 04m1 stop San Diego
Alaska Airlines Logo
5:15 pm - 5:21 amSJC  San Jose-BOS Boston Logan Intl
9h 06m1 stop San Diego
$309Alaska Airlines
Sat, Oct 3 - Sat, Oct 3
Alaska Airlines Logo
8:00 am - 1:45 pmBOS  Boston Logan Intl-SJC San Jose
8h 45m1 stop San Diego
Alaska Airlines Logo
6:46 pm - 6:09 amSJC  San Jose-BOS Boston Logan Intl
8h 23m1 stop Portland
$310Alaska Airlines
Sat, Sep 12 - Sat, Sep 19

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Delta flights from Boston to San Jose, California

Our best Delta deals on Boston to San Jose, California flight tickets
Delta
Sep 7
BOS7:45 amBoston Logan Intl
12h 17m
1 stop
SJC5:02 pmSan Jose
Sep 19
SJC5:13 pmSan Jose
10h 17m
1 stop
BOS6:30 amBoston Logan Intl
$281
Delta
Aug 21
BOS10:50 amBoston Logan Intl
9h 22m
1 stop
SJC5:12 pmSan Jose
Sep 1
SJC6:40 amSan Jose
9h 55m
1 stop
BOS7:35 pmBoston Logan Intl
$286
Delta
Sep 10
BOS6:20 amBoston Logan Intl
10h 54m
1 stop
SJC2:14 pmSan Jose
Sep 19
SJC5:45 pmSan Jose
10h 55m
1 stop
BOS7:40 amBoston Logan Intl
$288

Alaska Airlines flights from Boston to San Jose, California

Our best Alaska Airlines deals on Boston to San Jose, California flight tickets
Alaska Airlines
Sep 16
BOS8:00 amBoston Logan Intl
8h 30m
1 stop
SJC1:30 pmSan Jose
Sep 21
SJC5:06 pmSan Jose
9h 41m
1 stop
BOS5:47 amBoston Logan Intl
$311
Alaska Airlines
Sep 2
BOS8:00 amBoston Logan Intl
8h 30m
1 stop
SJC1:30 pmSan Jose
Sep 15
SJC10:00 amSan Jose
10h 54m
1 stop
BOS11:54 pmBoston Logan Intl
$316
Alaska Airlines
Sep 10
BOS8:00 amBoston Logan Intl
8h 45m
1 stop
SJC1:45 pmSan Jose
Sep 15
SJC6:46 pmSan Jose
8h 23m
1 stop
BOS6:09 amBoston Logan Intl
$317

momondo Fare Finder

 
Customize your flight search to find flights from Boston to San Jose, California 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Boston to San Jose, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Tue 12/1

2:35 pm-9:40 pm

1 stop10h 05m

San Jose

Tue 12/8

11:10 am-9:40 pm

1 stop7h 30m

$279

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Mon 9/7

7:45 am-5:02 pm

1 stop12h 17m

San Jose

Tue 9/15

11:41 am-11:51 pm

1 stop9h 10m

$281

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Mon 9/7

7:45 am-5:02 pm

1 stop12h 17m

San Jose

Sat 9/19

5:13 pm-6:30 am

1 stop10h 17m

$281

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Mon 10/26

10:10 am-8:15 pm

1 stop13h 05m

San Jose

Fri 10/30

7:10 pm-8:40 am

2 stops10h 30m

$282
Quickest round-trip

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Sat 9/5

5:01 pm-10:50 pm

1 stop8h 49m

San Jose

Wed 9/9

2:10 pm-1:10 am

1 stop8h 00m

$285

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Sat 9/5

5:01 pm-10:50 pm

1 stop8h 49m

San Jose

Fri 9/11

2:10 pm-1:10 am

1 stop8h 00m

$285

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Sat 9/5

7:33 am-1:40 pm

1 stop9h 07m

San Jose

Sat 9/12

6:00 am-7:52 pm

1 stop10h 52m

$295

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Wed 10/21

7:29 am-1:51 pm

1 stop9h 22m

San Jose

Mon 10/26

12:59 pm-11:45 pm

1 stop7h 46m

$303

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Sat 10/3

7:51 am-2:55 pm

1 stop10h 04m

San Jose

Sat 10/3

5:15 pm-5:21 am

1 stop9h 06m

$309

BostonSan Jose

BOS Boston Logan Intl - SJC San Jose

BOSSJC

Boston Logan Intl

Sat 9/12

8:00 am-1:45 pm

1 stop8h 45m

San Jose

Sat 9/19

6:46 pm-6:09 am

1 stop8h 23m

$310

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Jose from

How to get the cheapest flight ticket from Boston to San Jose, California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and San Jose, California?

Prices are currently low for flights on this route.

Typical prices usually range from $294 to $418.
The lowest price recently found on this route was $279.

What is the cheapest month to fly to San Jose, California?

The month of September is, on average, the cheapest month to fly to San Jose, California from Boston, with most prices found around $319. If you are unable to visit San Jose, California during the month of September, then departing from Boston during the month August is also very affordable. Most momondo users find prices during this month for around $366.

What is the cheapest day to depart on your flight to San Jose, California?

On average, the least expensive day to fly to San Jose, California from Boston is on a Friday. momondo users have found tickets for Friday departures for as low as $967. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boston to San Jose, California for around $1,247.

What is the cheapest time of day to depart on your flight to San Jose, California?

The cheapest time of day to fly to San Jose, California is in the afternoon when flights can be purchased for as low as $322. At noon is when there is more demand to fly to San Jose, California, so prices are often more expensive at around $1,183 per ticket.

What is the cheapest Boston Logan Intl to San Jose flight route?

Fly from Boston Logan Intl to San Jose for the best Boston Logan Intl - San Jose flight prices

How far in advance should I book a flight from Boston to San Jose, California?

You are more likely to see cheaper flights to San Jose, California from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose, California for around $424 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose, California from Boston for as low as $289 on momondo.

What cabin class options are available on Boston to San Jose, California flights?

There are 2 cabin classes available to choose from on Boston to San Jose, California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to San Jose, California flight prices changed over time?

As of August 2026, prices for Boston to San Jose, California flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Boston to San Jose, California

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to San Jose, California according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to San Jose, California (BOS to SJC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San Jose, California

Best Price Found

$338

Fastest flight time

8h 20m

Direct flights

None
The best one-way flight to San Jose, California from Boston in the past 72 hours is $338. The best round-trip flight deal from Boston to San Jose, California found on momondo in the last 72 hours is $1,003.
The fastest flight from Boston to San Jose, California takes 8h 20m
There are no direct flights from Boston to San Jose, California. There are no popular flight routes from Boston to San Jose, California.
Search flight deals

Frequently asked questions about flying from Boston to San Jose, California

  • How far is Boston Logan Intl to San Jose by plane?

    Boston Logan Intl and San Jose are 2676.3 mi apart from one another. Flights usually cover this in 8h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to San Jose Airport?

    Prices for flights from Boston Logan Intl Airport to San Jose Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to San Jose Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to San Jose Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Jose Airport.

  • What documentation or ID do you need to fly to San Jose Airport?

    The necessary travel and health documents for your San Jose Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to San Jose, California?

  • What is the most popular airline from Boston to San Jose, California?

Best airlines flying from Boston to San Jose, California

Compare and see reviews for airlines that fly from Boston to San Jose, California with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $152Free CancellationRating
7.9
12,794 reviews
Search Alaska Airlines flights
DeltaPriceFrom $171Free CancellationRating
7.8
8,504 reviews
Search Delta flights
JetBluePriceFrom $218Free CancellationRating
7.1
3,034 reviews
Search JetBlue flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
10,103 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.1
11,903 reviews
Search American Airlines flights
SouthwestPriceFrom $274Free CancellationRating
8.0
4,220 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to San Jose?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Jose from Boston.

Can I find flights from Boston to San Jose with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Jose from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to San Jose?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to San Jose.

I’m not ready to book a flight from Boston to San Jose right now. Can momondo alert me if prices change?

Price alerts on flights to San Jose from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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