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$81+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from California to Boston

Keep the following information in mind while searching for California to Boston flight deals. Data was last updated September 15, 2025.

Round-trip from

$174
(Southwest)

One-way from

$81
(Southwest)

Popular in

December

Cheapest in

January

Average price

$351

Good round-trip deal

$127 or less

Good one-way deal

$151 or less
From California to Boston Logan Intl
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One-way flight from California to Boston Logan Intl
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from California to Boston Logan Intl.
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Price to beat on a one-way flight from California to Boston Logan Intl.
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Find 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 September 15, 2025.

This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:00 amSAN - BOS
1 stop7h 05mSouthwest
Wed 12/106:45 amBOS - SAN
1 stop10h 30mSouthwest
Deal found 9/12$174
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2911:10 amLAX - BOS
1 stop9h 47mSpirit Airlines
Fri 10/36:49 pmBOS - LAX
2 stops31h 51mSpirit Airlines
Deal found 9/12$209
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:10 amLAX - BOS
1 stop9h 47mSpirit Airlines
Tue 9/3012:20 pmBOS - LAX
2 stops25h 36mSpirit Airlines
Deal found 9/13$211
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/219:45 pmLAX - BOS
Nonstop5h 37mJetBlue
Thu 10/306:00 amBOS - LAX
Nonstop6h 37mJetBlue
Deal found 9/15$212
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:35 amLAX - BOS
1 stop9h 17mSpirit Airlines
Thu 10/306:17 amBOS - LAX
1 stop7h 53mSpirit Airlines
Deal found 9/15$213
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:16 pmLAS - BOS
1 stop9h 57mSpirit Airlines
Sat 9/2712:20 pmBOS - LAS
1 stop11h 42mSpirit Airlines
Deal found 9/13$214
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:10 amLAX - BOS
1 stop9h 47mMultiple Airlines
Mon 10/612:59 pmBOS - LAX
2 stops22h 29mMultiple Airlines
Deal found 9/14$215
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:56 pmLAS - BOS
1 stop29h 31mMultiple Airlines
Sat 10/1812:31 pmBOS - LAS
1 stop11h 31mMultiple Airlines
Deal found 9/14$215
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/612:09 amLAX - BOS
2 stops20h 50mMultiple Airlines
Thu 10/238:31 amBOS - LAX
1 stop15h 05mMultiple Airlines
Deal found 9/13$216
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:07 pmLAS - BOS
1 stop10h 19mSpirit Airlines
Sat 10/1812:31 pmBOS - LAS
1 stop11h 31mSpirit Airlines
Deal found 9/13$216
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:10 amLAX - BOS
1 stop9h 47mSpirit Airlines
Sat 10/45:50 amBOS - LAX
1 stop8h 20mSpirit Airlines
Deal found 9/15$217
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/710:23 pmSFO - BOS
1 stop9h 25mFrontier
Sun 11/910:04 amBOS - SFO
1 stop14h 07mFrontier
Deal found 9/13$217

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 September 15, 2025.
Use the filters below to find and compare flights from California to Boston that are best for you.

Fly from

California

Fly to

Boston

Route

Depart

Return

Price

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 12/6

7:40 pm-8:05 am

2 stops9h 25m

Boston Logan Intl

Wed 12/10

6:45 am-2:15 pm

1 stop10h 30m

$179

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Tue 10/21

9:45 pm-6:22 am

Nonstop5h 37m

Boston Logan Intl

Tue 10/28

6:00 am-9:37 am

Nonstop6h 37m

$227

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Fri 11/7

1:40 pm-10:05 pm

Nonstop5h 25m

Boston Logan Intl

Wed 11/12

9:25 am-12:54 pm

Nonstop6h 29m

$232

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Tue 11/18

11:45 am-10:47 pm

1 stop8h 02m

Boston Logan Intl

Wed 11/19

6:10 pm-9:47 pm

Nonstop6h 37m

$237

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Thu 12/4

9:56 pm-6:25 am

Nonstop5h 29m

Boston Logan Intl

Sat 12/6

6:35 pm-10:10 pm

Nonstop6h 35m

$237

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Sat 10/25

10:40 am-7:37 pm

Nonstop5h 57m

Boston Logan Intl

Sat 11/1

8:25 pm-11:58 pm

Nonstop6h 33m

$237

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Fri 10/17

9:01 pm-5:09 am

Nonstop5h 08m

Boston Logan Intl

Sat 10/25

4:40 pm-7:46 pm

Nonstop6h 06m

$237

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Wed 10/8

12:31 pm-8:55 pm

Nonstop5h 24m

Boston Logan Intl

Tue 10/14

7:10 pm-10:34 pm

Nonstop6h 24m

$237

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Fri 11/14

9:15 am-5:55 pm

Nonstop5h 40m

Boston Logan Intl

Mon 11/17

4:24 pm-8:03 pm

Nonstop6h 39m

$247

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 10/25

10:15 pm-6:53 am

Nonstop5h 38m

Boston Logan Intl

Tue 10/28

5:25 pm-8:44 pm

Nonstop6h 19m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 60 results
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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 $218). Flying from California 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 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from California to Boston as you normally would.

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 September 15, 2025.

The most flights from USCA to BOS are scheduled on a Monday (55 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (39 on average).

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 52 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 5h 37m. There are 2603 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 Southwest, with whom users have recently found tickets for as low as $112. However, be on the lookout for offers from Spirit Airlines and Delta, 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: KLM (100%), ITA Airways (98%), Singapore Airlines( 91%).

  • What are the cheapest flights from California to Boston?

    Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Los Angeles - Boston Logan Intl) can be booked for $159 on average, our data indicates $1,009 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 $218). Flying from California 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
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Waltham
Saugus
Burlington

Browse thousands of different options on Cheapflights for your next trip

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$82Average$204FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$98Average$269FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$131Average$399FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$138Average$351FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$148Average$360FlexibilityNo cancel feeOn-time62%
DeltaCheapest$152Average$376FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$160Average$424FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$205Average$437FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$220Average$431FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$221Average$423FlexibilityNo cancel feeOn-time71%

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