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$133+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOS
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
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 May 16, 2026.

This United Airlines deal was found by Cheapflights users on 5/12. 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 8/192:15 pm
SAN
-
BOS
1 stop7h 59m
United Airlines
Mon 8/245:45 am
BOS
-
SAN
1 stop8h 32m
United Airlines
Deal found 5/12$242
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 7/710:25 pm
SAN
-
BOS
1 stop8h 04m
United Airlines
Tue 7/145:45 am
BOS
-
SAN
1 stop8h 04m
United Airlines
Deal found 5/12$247
This American Airlines deal was found by Cheapflights users on 5/14. 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.
Tue 8/1112:47 pm
SAN
-
BOS
1 stop7h 37m
American Airlines
Tue 8/187:30 am
BOS
-
SAN
1 stop8h 37m
American Airlines
Deal found 5/14$248
This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:40 pm
SAN
-
BOS
1 stop7h 49m
United Airlines
Fri 6/56:26 pm
BOS
-
SAN
1 stop8h 28m
United Airlines
Deal found 5/14$252
This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:57 pm
SAN
-
BOS
1 stop8h 02m
United Airlines
Mon 6/14:57 pm
BOS
-
SAN
1 stop8h 28m
United Airlines
Deal found 5/15$257
This SmartFares deal was found by Cheapflights users on 5/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:41 pm
SAN
-
BOS
Nonstop5h 42m
JetBlue
Wed 6/106:37 am
BOS
-
SAN
Nonstop6h 13m
JetBlue
Deal found 5/13$261
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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.
Tue 8/258:40 pm
SAN
-
BOS
Nonstop5h 39m
JetBlue
Tue 9/16:05 am
BOS
-
SAN
Nonstop6h 05m
JetBlue
Deal found 5/13$262
This Delta deal was found by Cheapflights users on 5/16. 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.
Sat 6/69:50 pm
SAN
-
BOS
Nonstop5h 41m
Delta
Sat 6/135:10 pm
BOS
-
SAN
Nonstop6h 16m
Delta
Deal found 5/16$266
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:02 pm
SAN
-
BOS
Nonstop5h 38m
Delta
Tue 8/185:10 pm
BOS
-
SAN
Nonstop6h 15m
Delta
Deal found 5/13$267
This American Airlines deal was found by Cheapflights users on 5/14. 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.
Sat 8/226:15 am
SAN
-
BOS
1 stop10h 27m
American Airlines
Sat 8/297:30 am
BOS
-
SAN
1 stop8h 36m
American Airlines
Deal found 5/14$268
This Super.com deal was found by Cheapflights users on 5/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:25 pm
LAX
-
BOS
Nonstop5h 36m
JetBlue
Tue 7/146:00 am
BOS
-
LAX
Nonstop6h 10m
JetBlue
Deal found 5/16$269
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:11 pm
LAX
-
BOS
1 stop13h 35m
Frontier
Thu 8/139:14 am
BOS
-
LAX
1 stop11h 02m
Frontier
Deal found 5/12$270

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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$242
(United Airlines)

One-way from

$133
(Delta)

Popular in

July

Cheapest in

January

Average price

$412

Good round-trip deal

$297 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Los Angeles Los Angeles-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles 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. 10% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 16, 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

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Mon 6/15

11:30 pm-9:29 am

1 stop6h 59m

Boston Logan Intl

Wed 6/17

6:26 pm-12:21 am

1 stop8h 55m

$297

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sun 8/30

10:02 pm-6:40 am

Nonstop5h 38m

Boston Logan Intl

Sat 9/12

5:15 pm-8:41 pm

Nonstop6h 26m

$305

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 7/9

1:30 pm-11:25 pm

1 stop6h 55m

Boston Logan Intl

Tue 7/28

4:25 pm-7:35 pm

Nonstop6h 10m

$307

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles Los Angeles

Tue 6/2

11:45 am-10:40 pm

1 stop7h 55m

Boston Logan Intl

Mon 6/8

8:00 pm-12:50 am

1 stop7h 50m

$312

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 6/6

2:35 pm-11:05 pm

Nonstop5h 30m

Boston Logan Intl

Sat 6/13

2:10 pm-7:50 pm

1 stop8h 40m

$317

Santa AnaBoston

SNA - BOS

SNABOS

Santa Ana J. Wayne/Orange Cnty

Sat 5/30

2:00 pm-1:28 am

1 stop8h 28m

Boston Logan Intl

Fri 6/5

5:40 am-10:43 am

1 stop8h 03m

$318

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 6/8

10:06 pm-6:50 am

Nonstop5h 44m

Boston Logan Intl

Tue 8/18

7:35 am-11:09 am

Nonstop6h 34m

$322

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles Los Angeles

Wed 6/3

6:00 am-7:40 pm

1 stop10h 40m

Boston Logan Intl

Sat 6/6

7:10 pm-12:10 am

1 stop8h 00m

$322

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Tue 6/2

8:20 am-10:20 pm

1 stop11h 00m

Boston Logan Intl

Tue 6/9

11:35 am-6:05 pm

2 stops9h 30m

$328

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 8/13

7:55 am-5:40 am

1 stop18h 45m

Boston Logan Intl

Wed 8/19

8:30 am-5:22 pm

1 stop11h 52m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

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

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 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $338). Flying from California to Boston in April is currently the most expensive (average of $483). 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 May 16, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 30% on flights from California to Boston by exploring options for tickets in the evening.

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 May 16, 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.

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 May 16, 2026.

The most flights from USCA to BOS are scheduled on a Friday (43 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

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

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 66 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 38m. There are 2581 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 $74. However, be on the lookout for offers from Spirit Airlines and JetBlue, 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 Los Angeles - Boston Logan Intl, San Francisco - Boston Logan Intl and San Diego - 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: ITA Airways (100%), Asiana Airlines (93%), China Southern( 93%).

  • What are the cheapest flights from California to Boston?

    Looking at all options, your cheapest flight can be booked for $136. While the most popular route (Los Angeles Los Angeles - Boston Logan Intl) can be booked for $232 on average, our data indicates $1,140 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 $338). Flying from California to Boston in April is currently the most expensive (average of $483). 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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
York Beach
Seabrook
Londonderry
Swansea
Old Orchard Beach
Auburn
Quincy
Lowell

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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$226FlexibilityNo cancel feeOn-time65%
FrontierCheapest$106Average$234FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$118Average$360FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$126Average$319FlexibilityNo cancel feeOn-time85%
DeltaCheapest$127Average$376FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$158Average$238FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$179Average$366FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$190Average$442FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$397FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$205Average$430FlexibilityNo cancel feeOn-time63%

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