How does KAYAK find such low prices on flights from California to Boston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Boston. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Boston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from California is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from California to Boston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to California with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Boston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$111 CHEAP FLIGHTS from California to Boston

BOS

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

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Cheap Flights from California to Boston

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from California to Boston

Tue, Sep 1 - Wed, Sep 9

1:20 pm - 11:24 pm

SNA

BOS

7h 04m

1 stop

6:53 am - 2:55 pm

BOS

SNA

11h 02m

1 stop

$185American Airlines

Wed, Sep 16 - Wed, Sep 30

12:35 pm - 11:55 pm

ONT

BOS

8h 20m

1 stop

6:00 am - 1:27 pm

BOS

ONT

10h 27m

1 stop

$197American Airlines

Mon, May 11 - Fri, May 15

9:49 pm - 6:30 am

SAN

BOS

5h 41mnonstop

5:15 pm - 8:36 pm

BOS

SAN

6h 21mnonstop

$233Delta

Sat, Aug 22 - Wed, Aug 26

6:05 pm - 6:00 am

SJC

BOS

8h 55m

1 stop

7:30 am - 12:45 pm

BOS

SJC

8h 15m

1 stop

$233Southwest

Fri, May 29 - Tue, Jun 2

1:50 pm - 1:28 am

SAN

BOS

8h 38m

1 stop

5:15 pm - 8:36 pm

BOS

SAN

6h 21mnonstop

$234Delta

Mon, Jun 1 - Tue, Jun 9

9:45 pm - 8:15 am

SJC

BOS

7h 30m

1 stop

4:25 pm - 10:25 pm

BOS

SJC

9h 00m

1 stop

$237Southwest

Thu, May 28 - Wed, Jun 3

2:10 pm - 1:14 am

SNA

BOS

8h 04m

1 stop

7:28 am - 1:45 pm

BOS

SNA

9h 17m

1 stop

$237United Airlines

Wed, Jun 3 - Tue, Jun 23

8:44 pm - 5:23 am

SAN

BOS

5h 39mnonstop

6:05 am - 9:10 am

BOS

SAN

6h 05mnonstop

$242JetBlue

Sat, Aug 22 - Sat, Aug 29

2:09 pm - 1:05 am

SJC

BOS

7h 56m

1 stop

6:00 am - 11:25 am

BOS

SJC

8h 25m

1 stop

$243United Airlines

Mon, May 18 - Mon, May 25

8:30 pm - 5:09 am

SAN

BOS

5h 39mnonstop

6:37 am - 9:52 am

BOS

SAN

6h 15mnonstop

$249JetBlue

Useful Info

Low season	January
High season	July
Cheapest flight	$111

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly and prices are also 2% lower on average.

Flight from San Jose to Boston

alyciaFlew with American Airlines

LAX

BOS

Mar 2026

Switching terminals in Boston was a VERY long walk -- dont cut your connection close if you are going from B to E

ericFlew with Air New Zealand

SFO

BOS

Jan 2025

At least two hour connection Buy food pre-flight

How does KAYAK find such low prices on flights from California to Boston?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Boston.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Boston?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Boston?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Boston?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hampton Beach

Hampton

Warwick

Waltham

Everett

Wells

Plymouth

Middletown

Gloucester

Concord

Woburn

Brookline

Revere

York Beach

Burlington

Danvers

West Yarmouth

South Portland

Braintree

Quincy

Everything you need to know for your flight to Boston

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Direct Flights

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Origins

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Return flight deals

Information on the airport you'll fly into in Boston

Boston (BOS)

BOS

$99 Find Cheap Flights from California to Boston

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

Cheap Flights from California to Boston

Recent round-trip flight deals from California to Boston

Recent one-way flight deals from California to Boston

Recent last minute flight deals from California to Boston

Recent direct flight deals from California to Boston

Good to know

Flights from California to Boston: the best tips from KAYAK users

FAQs for booking flights from California to Boston

How does KAYAK find such low prices on flights from California to Boston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Boston.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Boston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to Boston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Boston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boston?

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Cabin class types available on flights to California

Complete your trip to Boston with a hotel stay or car rental

Find direct flights for Boston

Flights to other popular destinations

Flights from domestic origins to Boston

Choose which airport to fly into in Boston

Find deals for your return flight