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$139+ Cheap flights from San Jose to Boston (SJC - BOS)

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOS
Jul 19 — Jul 261
Sat 7/19
Sat 7/26
1 adult, Economy
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Cheapflights Tip: The best prices from San Jose to Boston Logan Intl are usually found in November or January, booked 40 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from San Jose to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Boston (BOS). 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 14, 2025.

Round-trip from

$292
(United Airlines)

One-way from

$139
(Delta)

Popular in

July

Cheapest in

November

Average price

$394

Good round-trip deal

$127 or less
From San Jose to Boston Logan Intl
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One-way flight from San Jose to Boston Logan Intl
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Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from San Jose to Boston Logan Intl.
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Find flight deals from San Jose to Boston

Cheapest flights from San Jose to Boston
Explore the most affordable flight options available from San Jose to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2025.

This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:45 amSJC - BOS
1 stop8h 16mUnited Airlines
Sat 10/188:00 amBOS - SJC
2 stops13h 14mUnited Airlines
Deal found 7/12$292
This Southwest deal was found by Cheapflights users on 7/13. 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 8/218:55 pmSJC - BOS
1 stop10h 05mSouthwest
Wed 9/33:15 pmBOS - SJC
1 stop7h 55mSouthwest
Deal found 7/13$294
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 8/63:05 pmSJC - BOS
2 stops12h 05mAlaska Airlines
Tue 8/195:45 pmBOS - SJC
1 stop19h 38mAlaska Airlines
Deal found 7/13$295
This Mytrip deal was found by Cheapflights users on 7/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:22 pmSJC - BOS
3 stops27h 12mSpirit Airlines
Tue 8/196:30 amBOS - SJC
2 stops19h 00mSpirit Airlines
Deal found 7/12$299
This Delta deal was found by Cheapflights users on 7/12. 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 8/71:34 pmSJC - BOS
1 stop7h 23mDelta
Mon 8/256:10 amBOS - SJC
1 stop9h 27mDelta
Deal found 7/12$307
This American Airlines deal was found by Cheapflights users on 7/14. 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 8/86:00 amSJC - BOS
1 stop8h 15mAmerican Airlines
Tue 8/1212:41 pmBOS - SJC
1 stop11h 23mAmerican Airlines
Deal found 7/14$315
This Hawaiian Airlines deal was found by Cheapflights users on 7/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:47 pmSJC - BOS
1 stop8h 43mHawaiian Airlines
Mon 8/188:40 amBOS - SJC
1 stop8h 57mHawaiian Airlines
Deal found 7/13$320

Cheapflights Fare Finder

Customize your flight search to find flights from San Jose to Boston 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 14, 2025.
Use the filters below to find and compare flights from San Jose to Boston that are best for you.

Fly from

San Jose

Fly to

Boston

Route

Depart

Return

Price

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 10/15

8:45 am-8:01 pm

1 stop8h 16m

Boston Logan Intl

Sat 10/18

8:00 am-6:14 pm

2 stops13h 14m

$292

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Thu 8/21

8:55 pm-10:00 am

1 stop10h 05m

Boston Logan Intl

Wed 9/3

3:15 pm-8:10 pm

1 stop7h 55m

$294

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 8/6

3:05 pm-6:10 am

2 stops12h 05m

Boston Logan Intl

Tue 8/19

5:45 pm-10:23 am

1 stop19h 38m

$295

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 8/12

4:22 pm-10:34 pm

3 stops27h 12m

Boston Logan Intl

Tue 8/19

6:30 am-10:30 pm

2 stops19h 00m

$299

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Thu 8/7

1:34 pm-11:57 pm

1 stop7h 23m

Boston Logan Intl

Mon 8/25

5:34 am-12:21 pm

1 stop9h 47m

$307

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Fri 8/8

6:00 am-5:15 pm

1 stop8h 15m

Boston Logan Intl

Tue 8/12

12:41 pm-9:04 pm

1 stop11h 23m

$315

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 8/20

1:20 pm-12:18 am

1 stop7h 58m

$139

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 8/19

6:00 am-10:34 pm

2 stops13h 34m

$143

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Sun 10/5

7:10 pm-7:55 am

2 stops9h 45m

$144

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Sat 8/30

8:05 am-9:00 pm

2 stops9h 55m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 14 results
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Best time to book a flight from San Jose to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Jose with our price prediction graph.
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 San Jose to Boston

How far ahead should I book a flight from San Jose to Boston?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to Boston. Price data was last updated on July 11, 2025.

The best time to book flights from San Jose to Boston 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 San Jose to Boston?

Currently, January is the cheapest month in which you can book a flight from San Jose to Boston (average of $218). Flying from San Jose to Boston in July is currently the most expensive (average of $307). 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 SJC to BOS?

Find hourly flight availability from San Jose to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 14, 2025.

When flying from San Jose to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 20% versus a flight in the evening.

What is the cheapest day to fly from San Jose to Boston?

Use this chart to determine the cheapest time to fly round-trip from San Jose to Boston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Jose to Boston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated July 14, 2025.
Read through reviews of airlines operating flights from San Jose to Boston, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,956 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,571 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from San Jose to Boston round-trip?

    Currently priced at $292, United Airlines will fly you from San Jose to Boston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Alaska Airlines - these airlines can fly you to your destination from $294 and $295, respectively. United Airlines is currently priced 16% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Jose to Boston one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $139. Spirit Airlines flights start at $143 while deals on American Airlines start at $144 one-way.

  • What are the cheapest flights from San Jose to Boston?

    On average you can expect to pay $127 for a flight from San Jose to Boston. The cheapest flight overall is $127 while the most popular route, (San Jose - Boston Logan Intl) is currently priced at $151.

  • Can I find deals for flights from San Jose to Boston that include hotel bookings?

    Yes. In addition to deals on San Jose to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Boston.

  • Can I find deals for business class flights from San Jose to Boston?

    Yes. Cheapflights offers flight deals from San Jose to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose to Boston?

    Currently, January is the cheapest month in which you can book a flight from San Jose to Boston (average of $218). Flying from San Jose to Boston in July is currently the most expensive (average of $307). 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Seabrook
Waltham
Framingham
Lowell
Smithfield
Cranston
Randolph
Chestnut Hill
Brockton
York Beach
Chelsea
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Hampton Beach
Swansea
Lincoln

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Top 7 airlines flying from San Jose to Boston

Discover the top 7 airlines that operate flights from San Jose to Boston. 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$176Average$246FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$196Average$410FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$234Average$373FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$252Average$372FlexibilityNo cancel feeOn-time75%
DeltaCheapest$256Average$330FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$263Average$357FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$405FlexibilityNo cancel feeOn-time63%

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