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$99+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This Expedia deal was found by Cheapflights users on 12/22. 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 12/3111:30 pmLAS - BOS
1 stop28h 53mFrontier
Mon 1/58:08 amBOS - LAS
1 stop15h 41mFrontier
Deal found 12/22$182
This Frontier deal was found by Cheapflights users on 12/21. 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 12/3110:20 pmLAS - BOS
1 stop8h 32mFrontier
Sun 1/411:03 amBOS - LAS
1 stop13h 49mFrontier
Deal found 12/21$183
This United Airlines deal was found by Cheapflights users on 12/22. 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 12/297:25 pmLAX - BOS
1 stop7h 33mUnited Airlines
Mon 1/266:17 pmBOS - LAX
Nonstop6h 38mUnited Airlines
Deal found 12/22$238
This Expedia deal was found by Cheapflights users on 12/21. 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.
Thu 12/2510:31 pmLAS - BOS
1 stop8h 11mFrontier
Fri 1/210:57 amBOS - LAS
1 stop13h 55mFrontier
Deal found 12/21$258
This Southwest deal was found by Cheapflights users on 12/22. 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.
Mon 12/295:40 amLAX - BOS
1 stop9h 45mSouthwest
Mon 1/55:55 pmBOS - LAX
1 stop9h 10mSouthwest
Deal found 12/22$267
This Mytrip deal was found by Cheapflights users on 12/22. 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.
Wed 12/319:50 pmLAS - BOS
1 stop10h 00mMultiple Airlines
Mon 1/58:08 amBOS - LAS
1 stop15h 41mMultiple Airlines
Deal found 12/22$279
This Priceline deal was found by Cheapflights users on 12/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:59 amLAX - BOS
Nonstop5h 28mMultiple Airlines
Mon 1/56:00 amBOS - LAX
1 stop11h 03mMultiple Airlines
Deal found 12/22$281
This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/317:55 amLAX - BOS
Nonstop5h 28mDelta
Wed 1/712:45 pmBOS - LAX
Nonstop6h 44mDelta
Deal found 12/21$282
This JetBlue deal was found by Cheapflights users on 12/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:10 pmLAX - BOS
Nonstop5h 23mJetBlue
Tue 1/68:25 pmBOS - LAX
Nonstop6h 34mJetBlue
Deal found 12/21$287
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/3110:59 pmLAX - BOS
1 stop8h 38mUnited Airlines
Sun 1/47:44 pmBOS - LAX
1 stop8h 15mUnited Airlines
Deal found 12/21$292
This United Airlines deal was found by Cheapflights users on 12/22. 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 12/298:20 amLAX - BOS
Nonstop5h 32mUnited Airlines
Mon 1/59:30 amBOS - LAX
Nonstop6h 35mUnited Airlines
Deal found 12/22$294
This Expedia deal was found by Cheapflights users on 12/21. 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 12/3110:20 pmLAS - BOS
1 stop8h 32mMultiple Airlines
Sun 1/47:15 amBOS - LAS
Nonstop6h 10mMultiple Airlines
Deal found 12/21$294

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 December 23, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$164
(Super.com)

One-way from

$99
(United Airlines)

Popular in

July

Cheapest in

January

Average price

$455

Good round-trip deal

$127 or less

Good one-way deal

$136 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. 11% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 23, 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

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Wed 1/21

2:50 pm-10:55 pm

Nonstop5h 05m

Boston Logan Intl

Sat 1/24

8:50 pm-11:59 pm

Nonstop6h 09m

$164

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Sat 2/28

7:20 am-12:30 am

1 stop14h 10m

Boston Logan Intl

Wed 3/4

6:00 am-4:02 pm

1 stop13h 02m

$165

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Mon 1/12

10:50 pm-7:21 am

Nonstop5h 31m

Boston Logan Intl

Mon 1/19

8:25 am-12:03 pm

Nonstop6h 38m

$179

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Sat 1/10

7:55 am-4:17 pm

Nonstop5h 22m

Boston Logan Intl

Sat 1/17

7:30 am-11:22 am

Nonstop6h 52m

$179

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Sat 6/20

2:50 pm-11:29 pm

Nonstop5h 39m

Boston Logan Intl

Sat 6/27

9:36 pm-12:57 am

Nonstop6h 21m

$179

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Thu 1/22

8:38 pm-5:00 am

Nonstop5h 22m

Boston Logan Intl

Mon 1/26

6:00 am-9:34 am

Nonstop6h 34m

$179

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Sat 1/17

12:30 am-12:46 pm

1 stop9h 16m

Boston Logan Intl

Sun 1/25

8:25 am-12:03 pm

Nonstop6h 38m

$185

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Sat 1/17

12:30 am-12:46 pm

1 stop9h 16m

Boston Logan Intl

Fri 1/23

8:25 am-12:03 pm

Nonstop6h 38m

$185

Los AngelesBoston

LAX - BOS

LAXBOS

Los Angeles

Fri 1/16

12:30 am-12:46 pm

1 stop9h 16m

Boston Logan Intl

Mon 1/19

8:25 am-12:03 pm

Nonstop6h 38m

$185

Las VegasBoston

LAS - BOS

LASBOS

Las Vegas Harry Reid Intl

Wed 1/28

10:20 pm-8:50 am

1 stop7h 30m

Boston Logan Intl

Sat 1/31

4:55 pm-9:55 pm

1 stop8h 00m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 $101). Flying from California to Boston in June is currently the most expensive (average of $175). 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 December 23, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 18% 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 December 23, 2025.

The most flights from USCA to BOS are scheduled on a Tuesday (55 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (29 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 49 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 05m. There are 2373 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 Spirit Airlines, with whom users have recently found tickets for as low as $66. However, be on the lookout for offers from Frontier and Alaska Airlines, 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: ITA Airways (100%), United Airlines (92%), Air New Zealand( 92%).

  • What are the cheapest flights from California to Boston?

    Looking at all options, your cheapest flight can be booked for $91. While the most popular route (Los Angeles - Boston Logan Intl) can be booked for $161 on average, our data indicates $829 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 $101). Flying from California to Boston in June is currently the most expensive (average of $175). 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
Brockton
Cranston
Lincoln
Lowell
Smithfield
Peabody
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$93Average$255FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$239FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$355FlexibilityNo cancel feeOn-time85%
DeltaCheapest$142Average$371FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$149Average$357FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$160Average$417FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$176Average$436FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$196Average$378FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$213Average$426FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$423FlexibilityNo cancel feeOn-time71%

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