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Cheap flights from Boston to California from £91

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
14 Jul — 21 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to California

Enter your travel dates to find the best prices.

Cheapest flights from Boston to California
Explore the most affordable flight options available from Boston to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 June 2026.

Wed 7/1014:15
BOS
-
SAN
1 stop9h 50m
Southwest
Wed 14/1018:55
SAN
-
BOS
2 stops10h 05m
Southwest
Deal found 11/6£174
Fri 28/805:45
BOS
-
SAN
1 stop8h 32m
United Airlines
Tue 1/914:15
SAN
-
BOS
1 stop7h 59m
United Airlines
Deal found 10/6£177
Tue 25/813:20
BOS
-
SAN
1 stop9h 15m
Southwest
Mon 31/815:55
SAN
-
BOS
Nonstop5h 30m
Southwest
Deal found 10/6£177
Tue 20/1008:20
BOS
-
SAN
Nonstop6h 10m
Southwest
Mon 26/1006:40
SAN
-
BOS
1 stop8h 20m
Southwest
Deal found 9/6£180
Mon 17/805:25
BOS
-
SAN
1 stop7h 45m
Southwest
Tue 18/815:55
SAN
-
BOS
Nonstop5h 30m
Southwest
Deal found 11/6£180
Wed 2/910:05
BOS
-
SAN
2 stops11h 15m
Southwest
Mon 7/921:30
SAN
-
BOS
Nonstop5h 30m
Southwest
Deal found 10/6£181
Wed 12/814:45
BOS
-
SAN
1 stop7h 50m
Southwest
Tue 18/815:55
SAN
-
BOS
Nonstop5h 30m
Southwest
Deal found 10/6£184
Wed 26/809:05
BOS
-
SAN
Nonstop5h 55m
Southwest
Fri 4/921:30
SAN
-
BOS
Nonstop5h 30m
Southwest
Deal found 9/6£186
Fri 11/905:45
BOS
-
SAN
1 stop8h 32m
United Airlines
Mon 14/914:15
SAN
-
BOS
1 stop7h 59m
United Airlines
Deal found 10/6£188
Thu 29/1014:20
BOS
-
SAN
Nonstop6h 05m
Southwest
Mon 2/1109:25
SAN
-
BOS
Nonstop5h 25m
Southwest
Deal found 10/6£189
Thu 27/810:30
BOS
-
LAX
2 stops10h 20m
Southwest
Mon 31/805:00
LAX
-
BOS
2 stops9h 50m
Southwest
Deal found 9/6£195
Tue 29/905:45
BOS
-
LAX
1 stop8h 11m
United Airlines
Tue 20/1023:30
LAX
-
BOS
1 stop8h 02m
United Airlines
Deal found 12/6£195

Find flight deals from Boston to California

Keep the following information in mind while searching for Boston to California flight deals. Data was last updated 14 June 2026.

Round-trip from

£174

One-way from

£91

Popular in

April

Cheapest in

January

Average price

£324

Good round-trip deal

£445 or less

Good one-way deal

£126 or less
Southwest
  • Southwest
  • 7/10-14/10
  • 3 total stops
  • 19h 55m total
  • Boston to California
Search Deals
Southwest
  • Southwest
  • 13/8
  • 1 total stop
  • 9h 45m total
  • Boston to California
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to California.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to California.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to California 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 858,174 searches. Data last updated 14 June 2026.
Use the filters below to find and compare flights from Boston to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Thu 3/9

18:17-21:30

Nonstop6h 13m

San Diego

Mon 7/9

20:59-05:49

Nonstop5h 50m

£199

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 23/9

14:30-20:45

1 stop9h 15m

San Diego

Fri 25/9

22:40-09:55

1 stop8h 15m

£201

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 8/9

06:05-09:10

Nonstop6h 05m

San Diego

Tue 22/9

20:20-05:04

Nonstop5h 44m

£201

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 9/9

09:05-12:00

Nonstop5h 55m

San Diego

Sun 13/9

06:20-19:35

1 stop10h 15m

£209

BostonLas Vegas

BOS - LAS

BOSLAS

Boston Logan Intl

Tue 29/9

17:08-21:59

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 3/10

23:50-09:33

1 stop6h 43m

£214

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 3/7

20:41-23:55

Nonstop6h 14m

Los Angeles Los Angeles

Wed 8/7

20:30-11:33

1 stop12h 03m

£214

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 11/9

13:00-20:01

1 stop10h 01m

San Diego

Sun 13/9

20:20-05:04

Nonstop5h 44m

£216

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 14/8

17:20-20:35

Nonstop6h 15m

San Diego

Mon 17/8

22:02-06:40

Nonstop5h 38m

£220

BostonSanta Ana

BOS - SNA

BOSSNA

Boston Logan Intl

Wed 16/9

05:45-10:26

1 stop7h 41m

Santa Ana J. Wayne/Orange Cnty

Mon 21/9

14:00-01:17

1 stop8h 17m

£229

BostonSanta Ana

BOS - SNA

BOSSNA

Boston Logan Intl

Sun 13/9

05:30-10:32

1 stop8h 02m

Santa Ana J. Wayne/Orange Cnty

Mon 14/9

18:02-07:40

1 stop10h 38m

£229

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

Best time to book a flight from Boston to California

Have a flexible travel schedule? Discover the best time to fly to California from Boston with our price prediction graph.
Estimated return 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 Boston to California

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

Currently, September is the cheapest month in which you can book a flight from Boston to California (average of £245). Flying from Boston to California in December is currently the most expensive (average of £330). 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 BOS to CA?

Find hourly flight availability from Boston to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 June 2026.

One of the essential ways to save on airfare from Boston to California is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 55% on airfare.

Weekly flight availability from Boston to California

Explore weekly flight availability from Boston to California. 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 14 June 2026.

The most flights from BOS to USCA are scheduled on a Friday (58 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (46 on average).

How much does it cost for a return flight from Boston to California?

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

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to California. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated 14 June 2026.
Read reviews from past customers who have flown with Delta,American Airlines, andJetBlue from Boston to California. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,402 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,402 reviews
Delta
7.9
Good
8,402 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.1
Good
11,663 reviews
Delta
7.9
Good
8,402 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.1
Good
2,981 reviews
Delta
7.9
Good
8,402 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Boston to California. 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 from for flights from Boston to California?

    If you book a flight to California from Boston, you will be flying from 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 Boston to California flight route?

    Flights from Boston Logan Intl to California have been viewed 16 times in the past calendar month.

  • How long is the flight from Boston to California?

    For as low as £212, United Airlines can have you in California from Boston in 5h 47m. The distance from Boston to California is about 2373 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

    The top 3 most reliable airlines when flying from Boston to California are Air China (93%), Cathay Pacific (91%) and China Southern (91%).

  • What are the cheapest flights from Boston to California?

    While on average a flight from Boston to California is generally £1,118, our data shows the cheapest flight currently is £361. When looking at the most popular route, (Boston Logan Intl - Los Angeles Los Angeles), you can expect to pay £412 for that flight.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Boston to California (average of £245). Flying from Boston to California in December is currently the most expensive (average of £330). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Boston to California

Discover the top 3 airlines that operate flights from Boston to California. 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 858,174 searches. Data last updated 14 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£133Average£188FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapest£180Average£346FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest£419Average£445FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to California?

When you search for this flight from Boston to California, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Boston to California?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to California for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Boston to California with no change fees?

Yes, we can. To see specific flights from Boston to California with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Boston to California become cheaper?

Yes, Cheapflights offers price alerts on Boston to California flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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