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$111+ Cheap flights from California to Boston (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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOS
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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Cheap flight deals from California to Boston

Cheapest flights from California to Boston
Explore the most affordable flight options available from California to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.

This Southwest deal was found by Cheapflights users on 7/7. 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 8/1811:30 am
SJC
-
BOS
1 stop9h 55m
Southwest
Mon 8/247:40 am
BOS
-
SJC
1 stop8h 20m
Southwest
Deal found 7/7$185
This Southwest deal was found by Cheapflights users on 7/9. 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 8/191:00 pm
SJC
-
BOS
1 stop8h 25m
Southwest
Wed 8/262:45 pm
BOS
-
SJC
2 stops9h 55m
Southwest
Deal found 7/9$190
This Southwest deal was found by Cheapflights users on 7/7. 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 9/101:30 pm
SJC
-
BOS
1 stop7h 55m
Southwest
Mon 9/143:55 pm
BOS
-
SJC
1 stop10h 25m
Southwest
Deal found 7/7$191
This Southwest deal was found by Cheapflights users on 7/8. 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 8/2611:30 am
SJC
-
BOS
1 stop9h 55m
Southwest
Mon 8/315:00 pm
BOS
-
SJC
1 stop8h 15m
Southwest
Deal found 7/8$194
This Southwest deal was found by Cheapflights users on 7/9. 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 8/131:30 pm
SJC
-
BOS
1 stop7h 55m
Southwest
Sat 8/227:05 am
BOS
-
SJC
2 stops14h 10m
Southwest
Deal found 7/9$196
This Southwest deal was found by Cheapflights users on 7/8. 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 8/51:00 pm
SJC
-
BOS
1 stop8h 25m
Southwest
Wed 8/123:20 pm
BOS
-
SJC
2 stops9h 55m
Southwest
Deal found 7/8$197
This Southwest deal was found by Cheapflights users on 7/8. 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 8/1110:55 am
SJC
-
BOS
2 stops10h 10m
Southwest
Sat 8/225:50 am
BOS
-
SJC
1 stop8h 40m
Southwest
Deal found 7/8$199
This Southwest deal was found by Cheapflights users on 7/7. 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 9/2211:30 am
SJC
-
BOS
1 stop9h 55m
Southwest
Tue 10/610:35 am
BOS
-
SJC
1 stop10h 20m
Southwest
Deal found 7/7$203
This Southwest deal was found by Cheapflights users on 7/9. 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 9/109:15 am
SJC
-
BOS
2 stops9h 55m
Southwest
Wed 9/162:30 pm
BOS
-
SJC
2 stops10h 10m
Southwest
Deal found 7/9$205
This Southwest deal was found by Cheapflights users on 7/8. 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 12/97:00 am
SJC
-
BOS
1 stop9h 40m
Southwest
Wed 12/165:35 am
BOS
-
SJC
2 stops10h 25m
Southwest
Deal found 7/8$206
This Southwest deal was found by Cheapflights users on 7/10. 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 8/271:40 pm
BUR
-
BOS
1 stop7h 50m
Southwest
Mon 8/315:25 am
BOS
-
BUR
1 stop10h 35m
Southwest
Deal found 7/10$222
This American Airlines deal was found by Cheapflights users on 7/8. 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 9/510:35 am
SNA
-
BOS
1 stop8h 31m
American Airlines
Wed 9/96:00 am
BOS
-
SNA
1 stop10h 34m
American Airlines
Deal found 7/8$223

Find flight deals from California to Boston

Keep the following information in mind while searching for California to Boston flight deals. Data was last updated July 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$185
(Southwest)

One-way from

$111
(Southwest)

Popular in

June

Cheapest in

January

Average price

$472

Good round-trip deal

$303 or less

Good one-way deal

$160 or less
Provider with most accurate pricing for Los Angeles-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Boston Logan Intl flights.
Search Deals
From California to Boston Logan Intl
Search Deals
One-way flight from California to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from California to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from California to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 12, 2026.
Use the filters below to find and compare flights from California to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Tue 8/11

8:45 am-9:25 pm

2 stops9h 40m

Boston Logan Intl

Sat 8/22

5:50 am-11:30 am

1 stop8h 40m

$190

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 8/26

11:00 pm-12:30 pm

2 stops10h 30m

Boston Logan Intl

Mon 8/31

5:40 am-12:40 pm

2 stops10h 00m

$214

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Wed 9/23

11:30 am-12:25 am

1 stop9h 55m

Boston Logan Intl

Fri 9/25

10:30 am-11:20 pm

2 stops15h 50m

$218

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Mon 8/24

8:30 pm-9:30 am

2 stops10h 00m

Boston Logan Intl

Mon 8/31

3:25 pm-11:20 pm

2 stops10h 55m

$222

BurbankBoston

BUR - BOS

BURBOS

Burbank Bob Hope

Mon 9/28

1:40 pm-12:30 am

1 stop7h 50m

Boston Logan Intl

Wed 9/30

10:05 am-7:25 pm

1 stop12h 20m

$237

BurbankBoston

BUR - BOS

BURBOS

Burbank Bob Hope

Thu 12/3

9:15 am-9:55 pm

2 stops9h 40m

Boston Logan Intl

Tue 12/8

2:30 pm-8:50 pm

1 stop9h 20m

$237

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Sat 9/12

7:30 pm-8:40 am

2 stops10h 10m

Boston Logan Intl

Mon 9/14

3:55 pm-11:20 pm

1 stop10h 25m

$264

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Mon 8/31

6:50 am-7:40 pm

1 stop9h 50m

Boston Logan Intl

Sat 9/5

10:45 am-5:10 pm

2 stops9h 25m

$264

San JoseBoston

SJC - BOS

SJCBOS

San Jose

Fri 8/14

4:30 pm-5:30 am

1 stop10h 00m

Boston Logan Intl

Thu 8/20

6:25 am-2:14 pm

1 stop10h 49m

$275

BurbankBoston

BUR - BOS

BURBOS

Burbank Bob Hope

Wed 9/9

9:50 am-9:02 pm

1 stop8h 12m

Boston Logan Intl

Wed 9/23

9:20 am-5:33 pm

1 stop11h 13m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from California to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from California 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 California to Boston

What is the cheapest month to book a flight from California to Boston?

Currently, January is the cheapest month in which you can book a flight from California to Boston (average of $333). Flying from California to Boston in June is currently the most expensive (average of $506). 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 CA to BOS?

Find hourly flight availability from California 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 12, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from California to Boston by exploring options for tickets in the evening.

Weekly flight availability from California to Boston

Explore weekly flight availability from California to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 12, 2026.

The most flights from USCA to BOS are scheduled on a Friday (55 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (45 on average).

How much does it cost to fly round-trip from California to Boston?

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

The price you pay for your flight from California to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from California to Boston?

Use this chart to determine the cheapest time to fly round-trip from California to Boston. Price data was last updated on July 11, 2026.

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

Related info for your journey

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

  • What airport do you fly into for flights to Boston from California?

    If you book a flight to Boston from California, you will be flying to Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

  • How popular is this California to Boston flight route?

    The California to Boston Logan Intl flight path was viewed by 72 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from California to Boston?

    Departing from California to Boston will take you 8h 12m. There are 2593 mi between California and Boston. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $73. However, be on the lookout for offers from JetBlue and Southwest, as they are both options that can get you from California to Boston for a low price.

  • What are the most popular routes from California to Boston?

    The most popular flight routes from California to Boston are Los Angeles - Boston Logan Intl, San Francisco - Boston Logan Intl and Ontario - Boston Logan Intl.

  • What are the most reliable airlines from California to Boston?

    Before booking your flight to Boston from California, check out the most reliable airlines to get you to your destination on time: Asiana Airlines (98%), Air China (97%), United Airlines( 92%).

  • What are the cheapest flights from California to Boston?

    Looking at all options, your cheapest flight can be booked for $123. While the most popular route (Los Angeles - Boston Logan Intl) can be booked for $176 on average, our data indicates $1,117 when flying from California to Boston.

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

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

  • How can I find direct flights from California to Boston?

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

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

    Yes. Cheapflights offers flight deals from California 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 California to Boston?

    Currently, January is the cheapest month in which you can book a flight from California to Boston (average of $333). Flying from California to Boston in June is currently the most expensive (average of $506). 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
Waltham
Cambridge
Concord
Brockton
Hampton Beach
Seekonk
Cranston
Warwick
Dedham
Peabody
Randolph
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Swansea
North Falmouth
Smithfield
Braintree

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Boston

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Top 10 airlines flying from California to Boston

Discover the top 10 airlines that operate flights from California 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$98Average$393FlexibilityNo cancel feeOn-time75%
FrontierCheapest$106Average$235FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$118Average$287FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$118Average$379FlexibilityNo cancel feeOn-time62%
DeltaCheapest$126Average$381FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$133Average$238FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$183Average$432FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$186Average$445FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$189Average$422FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$212Average$369FlexibilityNo cancel feeOn-time83%

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