Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Boston to California from £103

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
5 Sep — 12 Sep1
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 6 August 2026.

Sat 5/913:10 -
1 stop8h 15m
Sat 12/915:55 -
Nonstop5h 35m
Deal found 6/8£183
Tue 25/815:20 -
1 stop10h 15m
Sat 29/815:55 -
Nonstop5h 30m
Deal found 1/8£186
Thu 3/915:25 -
1 stop11h 05m
Thu 10/915:55 -
Nonstop5h 35m
Deal found 2/8£188
Tue 25/809:30 -
1 stop8h 27m
Sat 29/814:15 -
1 stop7h 56m
Deal found 1/8£189
Sat 5/914:10 -
Nonstop6h 00m
Wed 9/915:55 -
Nonstop5h 35m
Deal found 6/8£191
Wed 2/917:20 -
Nonstop6h 15m
Tue 8/922:04 -
Nonstop5h 36m
Deal found 5/8£193
Sat 24/1009:40 -
1 stop10h 45m
Mon 26/1009:30 -
Nonstop5h 30m
Deal found 2/8£195
Mon 24/812:45 -
2 stops23h 10m
Tue 1/923:34 -
1 stop9h 13m
Deal found 3/8£195
Wed 7/1007:45 -
1 stop8h 59m
Sun 11/1014:24 -
1 stop7h 35m
Deal found 1/8£196
Wed 2/906:00 -
Nonstop6h 05m
Wed 9/920:20 -
Nonstop5h 55m
Deal found 4/8£197
Fri 4/917:20 -
Nonstop6h 15m
Fri 11/922:04 -
Nonstop5h 36m
Deal found 4/8£198
Thu 3/909:36 -
1 stop10h 18m
Sat 5/919:13 -
2 stops13h 34m
Deal found 2/8£204

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 6 August 2026.

Round-trip from

£183

One-way from

£103

Popular in

April

Cheapest in

January

Average price

£290

Good one-way deal

£95 or less
Southwest
  • Southwest
  • 2/9-9/9
  • 1 total stop
  • 14h 05m total
  • Boston to California
Search Deals
Southwest
  • Southwest
  • 3/9
  • Nonstop
  • 5h 55m total
  • Boston to California
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£18 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 August 2026
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 6 August 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 Boston Logan Intl - SAN San Diego

BOSSAN

Boston Logan Intl

Sat 5/9

13:10-18:25

1 stop8h 15m

San Diego

Sat 12/9

15:55-00:30

Nonstop5h 35m

£183

BostonSan Diego

BOS Boston Logan Intl - SAN San Diego

BOSSAN

Boston Logan Intl

Thu 27/8

15:25-21:55

2 stops9h 30m

San Diego

Tue 1/9

22:40-09:55

1 stop8h 15m

£187

BostonLos Angeles

BOS Boston Logan Intl - LAX Los Angeles

BOSLAX

Boston Logan Intl

Wed 9/9

20:20-23:32

Nonstop6h 12m

Los Angeles

Sun 13/9

06:30-15:08

Nonstop5h 38m

£206

BostonLos Angeles

BOS Boston Logan Intl - LAX Los Angeles

BOSLAX

Boston Logan Intl

Thu 3/9

10:50-13:58

Nonstop6h 08m

Los Angeles

Sat 5/9

21:00-05:30

Nonstop5h 30m

£206

BostonLos Angeles

BOS Boston Logan Intl - LAX Los Angeles

BOSLAX

Boston Logan Intl

Sat 3/10

06:20-09:35

Nonstop6h 15m

Los Angeles

Tue 6/10

20:59-05:27

Nonstop5h 28m

£206

BostonSan Diego

BOS Boston Logan Intl - SAN San Diego

BOSSAN

Boston Logan Intl

Wed 30/9

14:30-20:50

1 stop9h 20m

San Diego

Sun 4/10

22:40-08:55

1 stop7h 15m

£206

BostonLos Angeles

BOS Boston Logan Intl - LAX Los Angeles

BOSLAX

Boston Logan Intl

Wed 21/10

06:15-09:40

Nonstop6h 25m

Los Angeles

Sun 6/12

21:20-05:59

Nonstop5h 39m

£213

BostonSan Diego

BOS Boston Logan Intl - SAN San Diego

BOSSAN

Boston Logan Intl

Wed 16/9

15:20-22:05

2 stops9h 45m

San Diego

Wed 23/9

15:55-00:30

Nonstop5h 35m

£217

BostonSan Diego

BOS Boston Logan Intl - SAN San Diego

BOSSAN

Boston Logan Intl

Tue 25/8

13:20-19:35

1 stop9h 15m

San Diego

Sat 29/8

15:55-00:25

Nonstop5h 30m

£218

BostonLos Angeles

BOS Boston Logan Intl - LAX Los Angeles

BOSLAX

Boston Logan Intl

Sat 12/9

06:20-09:35

Nonstop6h 15m

Los Angeles

Fri 18/9

21:00-05:33

Nonstop5h 33m

£221

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, January is the cheapest month in which you can book a flight from Boston to California (average of £241). Flying from Boston to California in December is currently the most expensive (average of £334). 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 6 August 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 6 August 2026.

The most flights from BOS to USCA are scheduled on a Monday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

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

Airfare is below average for this route at the moment.
Boston to California flights typically cost between £232 and £381 in August.
The cheapest return price found within the last 5 days was £195 on Frontier (24 Aug–1 Sept).

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 6 August 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
7.8
Good
8,492 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Delta
7.8
Good
8,492 reviews
Delta
7.8
Good
8,492 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
American Airlines
7.1
Good
11,862 reviews
Delta
7.8
Good
8,492 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
JetBlue
7.1
Good
3,023 reviews
Delta
7.8
Good
8,492 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

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 13 times in the past calendar month.

  • How long is the flight from Boston to California?

    For as low as £206, Southwest can have you in California from Boston in 6h 08m. The distance from Boston to California is about 2604 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 - San Francisco, Boston Logan Intl - Los Angeles 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 (94%), China Eastern (87%) and Japan Airlines (85%).

  • What are the cheapest flights from Boston to California?

    While on average a flight from Boston to California is generally £202, our data shows the cheapest flight currently is £106. When looking at the most popular route, (Boston Logan Intl - San Francisco), you can expect to pay £228 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, January is the cheapest month in which you can book a flight from Boston to California (average of £241). Flying from Boston to California in December is currently the most expensive (average of £334). 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 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£133Average£188FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapest£180Average£406FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest£417Average£443FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.