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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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — BOS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 29, 2025.

Round-trip from

$257
(CheapOair)

One-way from

$139
(Delta)

Popular in

July

Cheapest in

November

Average price

$395

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. 9% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 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 29, 2025.

This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1812:39 pmSJC - BOS
2 stops19h 39mSpirit Airlines
Thu 8/216:05 amBOS - SJC
2 stops19h 53mSpirit Airlines
Deal found 7/29$257
This Southwest deal was found by Cheapflights users on 7/29. 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 8/198:55 pmSJC - BOS
1 stop8h 15mSouthwest
Thu 9/115:15 amBOS - SJC
1 stop8h 15mSouthwest
Deal found 7/29$264
This Delta deal was found by Cheapflights users on 7/29. 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 10/1511:13 amSJC - BOS
1 stop9h 31mDelta
Tue 10/215:45 amBOS - SJC
1 stop9h 39mDelta
Deal found 7/29$277
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/196:00 amSJC - BOS
2 stops9h 43mAmerican Airlines
Thu 9/1110:41 amBOS - SJC
1 stop8h 59mAmerican Airlines
Deal found 7/29$284
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/127:00 amSJC - BOS
2 stops10h 54mUnited Airlines
Tue 8/261:00 pmBOS - SJC
2 stops11h 17mUnited Airlines
Deal found 7/28$297
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:53 amSJC - BOS
2 stops18h 00mAlaska Airlines
Tue 10/218:01 amBOS - SJC
1 stop10h 04mAlaska Airlines
Deal found 7/27$302

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 29, 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

Mon 8/18

12:39 pm-11:18 am

2 stops19h 39m

Boston Logan Intl

Thu 8/21

6:05 am-10:58 pm

2 stops19h 53m

$257

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 8/19

8:55 pm-8:10 am

1 stop8h 15m

Boston Logan Intl

Thu 9/11

5:15 am-10:30 am

1 stop8h 15m

$264

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 10/15

11:13 am-11:44 pm

1 stop9h 31m

Boston Logan Intl

Tue 10/21

5:45 am-12:24 pm

1 stop9h 39m

$277

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 8/19

6:00 am-6:43 pm

2 stops9h 43m

Boston Logan Intl

Thu 9/11

10:41 am-4:40 pm

1 stop8h 59m

$284

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 8/12

7:00 am-8:54 pm

2 stops10h 54m

Boston Logan Intl

Tue 8/26

1:00 pm-9:17 pm

2 stops11h 17m

$297

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Sat 10/18

10:53 am-7:53 am

2 stops18h 00m

Boston Logan Intl

Tue 10/21

8:01 am-3:05 pm

1 stop10h 04m

$302

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 10/1

11:35 am-11:59 pm

1 stop9h 24m

$139

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 8/19

6:00 am-6:43 pm

2 stops9h 43m

$140

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Mon 8/25

6:20 pm-10:35 am

2 stops13h 15m

$144

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 8/20

6:00 am-11:18 am

3 stops26h 18m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 results
1
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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 25, 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 $311). 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 29, 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 16% 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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from San Jose to Boston?

Share of 1-stop round-trip flights from San Jose to Boston chosen by Cheapflights users in the past 12 months, using the same layover each way.

San Diego (SAN) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Jose to Boston on Cheapflights.

What’s the cheapest layover airport for flights from San Jose to Boston?

Average round-trip fare for 1-stop flights from San Jose to Boston, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $277.

What’s the fastest layover option from San Jose to Boston?

Shortest average travel time for 1-stop one-way flights from San Jose to Boston, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 4h 55m.

Which airport typically offers the quickest layover for flights from San Jose to Boston?

Average layover duration for 1-stop one-way flights from San Jose to Boston, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 23m.

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 29, 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

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
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

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 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

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 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

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 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

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 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

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $257, Spirit Airlines will fly you from San Jose to Boston and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $264 and $277, respectively. Spirit Airlines is currently priced 26% 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. American Airlines flights start at $140 while deals on United 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 $250.

  • 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 $311). 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
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Watertown
Warwick
Seabrook
Waltham
Framingham
Lowell
Randolph
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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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$176Average$246FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$197Average$396FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$234Average$375FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$252Average$368FlexibilityNo cancel feeOn-time75%
DeltaCheapest$260Average$322FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$360FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$267Average$401FlexibilityNo cancel feeOn-time63%

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