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$82+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOS
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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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 November 5, 2025.

This SmartFares deal was found by Cheapflights users on 11/3. 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.
Mon 12/89:06 pmLAS - BOS
Nonstop4h 55mJetBlue
Tue 12/167:00 amBOS - LAS
Nonstop6h 06mJetBlue
Deal found 11/3$210
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/410:39 pmLAX - BOS
1 stop8h 43mMultiple Airlines
Tue 12/910:56 amBOS - LAX
2 stops14h 28mMultiple Airlines
Deal found 11/3$212
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:39 pmSAN - BOS
Nonstop5h 31mJetBlue
Tue 11/187:00 amBOS - SAN
Nonstop6h 39mJetBlue
Deal found 11/4$212
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:59 pmLAX - BOS
2 stops20h 57mSpirit Airlines
Wed 12/1010:56 amBOS - LAX
2 stops14h 28mSpirit Airlines
Deal found 11/2$214
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Wed 12/104:14 pmLAS - BOS
2 stops23h 52mMultiple Airlines
Sun 12/1411:28 amBOS - LAS
1 stop13h 24mMultiple Airlines
Deal found 11/3$214
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Sat 12/2010:45 pmLAX - BOS
1 stop8h 23mFrontier
Thu 1/86:00 amBOS - LAX
2 stops18h 46mFrontier
Deal found 11/3$215
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 12/59:15 amSAN - BOS
Nonstop5h 37mAlaska Airlines
Sun 12/144:24 pmBOS - SAN
Nonstop6h 46mAlaska Airlines
Deal found 11/2$215
This Expedia deal was found by Cheapflights users on 11/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:53 amLAX - BOS
1 stop9h 06mSpirit Airlines
Sun 11/239:54 pmBOS - LAX
1 stop14h 16mSpirit Airlines
Deal found 11/2$216
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/33:39 pmLAS - BOS
1 stop20h 58mAlaska Airlines
Sat 12/64:24 pmBOS - LAS
1 stop9h 03mAlaska Airlines
Deal found 11/3$216
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/48:24 amLAX - BOS
Nonstop5h 30mUnited Airlines
Mon 12/88:30 amBOS - LAX
Nonstop6h 35mUnited Airlines
Deal found 11/5$217
This Delta deal was found by Cheapflights users on 11/2. 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.
Sun 11/1610:28 pmSAN - BOS
Nonstop5h 27mDelta
Wed 11/195:25 pmBOS - SAN
Nonstop6h 31mDelta
Deal found 11/2$217
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Thu 11/2712:31 pmLAS - BOS
1 stop9h 13mMultiple Airlines
Mon 12/111:04 pmBOS - LAS
2 stops23h 38mMultiple Airlines
Deal found 11/3$217

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 November 5, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$197
(Delta)

One-way from

$82
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$372

Good round-trip deal

$127 or less

Good one-way deal

$158 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
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 5, 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

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Fri 12/5

1:00 pm-9:27 pm

Nonstop5h 27m

Boston Logan Intl

Wed 12/10

7:45 am-11:23 am

Nonstop6h 38m

$217

SacramentoBoston

SMF - BOS

SMFBOS

Sacramento Intl

Wed 12/3

12:40 pm-10:45 pm

1 stop7h 05m

Boston Logan Intl

Sun 12/14

5:15 am-10:30 am

1 stop8h 15m

$224

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Tue 12/9

8:24 am-4:54 pm

Nonstop5h 30m

Boston Logan Intl

Sat 12/13

6:00 am-11:39 am

1 stop8h 39m

$227

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 12/6

9:20 pm-5:49 am

Nonstop5h 29m

Boston Logan Intl

Sat 12/13

4:34 pm-8:10 pm

Nonstop6h 36m

$227

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Fri 12/12

1:50 pm-11:41 pm

1 stop6h 51m

Boston Logan Intl

Tue 12/16

5:30 am-10:33 am

1 stop8h 03m

$227

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Wed 12/3

7:00 am-5:16 pm

1 stop7h 16m

Boston Logan Intl

Wed 12/10

4:49 pm-9:59 pm

1 stop8h 10m

$227

SacramentoBoston

SMF - BOS

SMFBOS

Sacramento Intl

Mon 12/15

7:00 am-5:52 pm

1 stop7h 52m

Boston Logan Intl

Mon 1/5

5:12 pm-9:14 am

1 stop19h 02m

$232

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Fri 12/5

6:00 am-5:52 pm

1 stop8h 52m

Boston Logan Intl

Sat 12/6

4:24 pm-10:27 pm

1 stop9h 03m

$232

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Tue 3/10

9:20 pm-5:55 am

Nonstop5h 35m

Boston Logan Intl

Wed 3/11

5:28 pm-9:24 pm

Nonstop6h 56m

$237

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Fri 1/9

11:38 pm-7:34 am

Nonstop4h 56m

Boston Logan Intl

Mon 1/12

8:50 pm-11:58 pm

Nonstop6h 08m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

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, March is the cheapest month in which you can book a flight from California to Boston (average of $98). Flying from California to Boston in June is currently the most expensive (average of $177). 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 November 5, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% 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 December 16, 2024.

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 at noon 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 November 5, 2025.

The most flights from USCA to BOS are scheduled on a Monday (43 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (30 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 50 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 27m. 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 Frontier, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from American Airlines 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 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: Air China (100%), ITA Airways (100%), Asiana Airlines( 97%).

  • What are the cheapest flights from California to Boston?

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Los Angeles - Boston Logan Intl) can be booked for $162 on average, our data indicates $966 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, March is the cheapest month in which you can book a flight from California to Boston (average of $98). Flying from California to Boston in June is currently the most expensive (average of $177). 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
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$224FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$118Average$268FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$138Average$354FlexibilityNo cancel feeOn-time85%
DeltaCheapest$142Average$372FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$149Average$359FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$160Average$414FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$186Average$436FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$196Average$383FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$216Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$225Average$424FlexibilityNo cancel feeOn-time69%

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