£82 Find Cheap Flights from Boston to California

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to California departing on 19/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to California

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to California, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to California, as well as popular online travel agencies
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Cheap Flights from Boston to California

Cheapest return prices found by our users on KAYAK in the last 72 hours
Los Angeles
Los Angelesdirect£138
San Francisco
San Francisco1 stop£169
San Diego
San Diego1 stop£173
Los Angeles
Los Angelesdirect£138
San Francisco
San Francisco1 stop£169
San Diego
San Diego1 stop£173

Book Cheap Boston to California Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Boston to California that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Boston to California

Thu, 22 Jan - Sun, 25 Jan
United Airlines Logo
18:17 - 21:55
BOS
-
LAX
6h 38mdirect
United Airlines Logo
00:30 - 12:46
LAX
-
BOS
9h 16m1 stop
£138United Airlines
Mon, 12 Jan - Wed, 14 Jan
United Airlines Logo
18:17 - 21:55
BOS
-
LAX
6h 38mdirect
United Airlines Logo
08:20 - 16:52
LAX
-
BOS
5h 32mdirect
£140United Airlines
Tue, 20 Jan - Wed, 21 Jan
JetBlue Logo
09:15 - 12:47
BOS
-
LAX
6h 32mdirect
JetBlue Logo
20:38 - 05:00
LAX
-
BOS
5h 22mdirect
£141JetBlue
Tue, 20 Jan - Thu, 22 Jan
JetBlue Logo
09:15 - 12:47
BOS
-
LAX
6h 32mdirect
JetBlue Logo
09:59 - 18:27
LAX
-
BOS
5h 28mdirect
£141JetBlue
Wed, 14 Jan - Sat, 17 Jan
United Airlines Logo
18:17 - 21:55
BOS
-
LAX
6h 38mdirect
United Airlines Logo
22:50 - 07:21
LAX
-
BOS
5h 31mdirect
£143United Airlines
Tue, 27 Jan - Tue, 3 Feb
American Airlines Logo
06:00 - 11:02
BOS
-
LAS
8h 02m1 stop
American Airlines Logo
13:28 - 23:43
LAS
-
BOS
7h 15m1 stop
£147American Airlines
Tue, 27 Jan - Tue, 3 Feb
Multiple Airlines Logo
07:02 - 10:12
BOS
-
LAS
6h 10mdirect
Multiple Airlines Logo
10:07 - 23:54
LAS
-
BOS
10h 47m1 stop
£159Multiple Airlines
Sun, 11 Jan - Sat, 17 Jan
Delta Logo
07:20 - 10:43
BOS
-
LAS
6h 23mdirect
Delta Logo
12:03 - 20:06
LAS
-
BOS
5h 03mdirect
£164Delta
Wed, 7 Jan - Sun, 11 Jan
Delta Logo
07:50 - 11:50
BOS
-
SFO
7h 00mdirect
Delta Logo
07:10 - 15:51
SFO
-
BOS
5h 41mdirect
£170Delta
Wed, 28 Jan - Wed, 4 Feb
American Airlines Logo
06:05 - 11:32
BOS
-
SAN
8h 27m1 stop
American Airlines Logo
06:20 - 17:20
SAN
-
BOS
8h 00m1 stop
£176American Airlines
Booking Insights

KAYAK's insights & trends for Boston to California flights

Get data-powered insights and trends into flights from Boston to California to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Boston to California flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to California from Boston found in the last 72 hours was to San Francisco, at £181 return. The most popular route is from Boston (BOS) to San Diego (SAN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was £225.

Can I save money by flying with a stopover from Boston to California?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £291 on average.

What is the cheapest month to fly from Boston to California?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to California, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to California is September, when tickets cost £215 (return) on average. On the other hand, the most expensive months are December and April, when the average cost of return tickets is £327 and £312 respectively.

What’s the cheapest day of the week to fly from Boston to California?

The average price of all round-trip flights from Boston to California clicked on KAYAK for each day over the last 12 months.

For Boston to California, Friday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from California back to Boston, the best deals are generally found on Saturday, with Tuesday being the most expensive.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to California, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from Boston to California, you should book around 3 weeks before departure, which saves you about 41% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know - Cheap tickets from Boston to California

Low seasonSeptember
Cheapest flight£82
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (6% more expensive on average)
Flight from Boston to Los Angeles

Flights from Boston to California: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Boston to California 
GeraldFlew with Delta
BOS
-
SFO
Mar 2025
Book a flight early in the morning. The plane & crew will have arrived the previous night
PaulaFlew with Alaska Airlines
BOS
-
SFO
Jul 2024
Get your boarding pass online and save it to your wallet App on the iPhone. Makes it so easy
CarolFlew with Alaska Airlines
BOS
-
SAN
Jul 2024
Bring your own entertainment (book, puzzles, devices). T mobile offers free internet with Alaska!
Verified travelerFlew with Alaska Airlines
BOS
-
SAN
Mar 2024
Be prepared to wait in long line for shuttle to car rental complex.

FAQs - booking California flights

  • What are the common layover cities for flights from Boston to California?

    When traveling from Boston to California, here are various layover destinations that you could choose to stop by. The layover cities from Boston to California depend on the origin airport, the airline used, and the destination airport. When flying from Boston Airport to Los Angeles International Airport, the common layovers are Washington D.C, Philadelphia, Nashville, San Francisco, Phoenix, Chicago, and Newark. The other flights traveling from Boston to California have layovers in these cities.

  • Which airlines traveling from Boston to California offer eco-friendly flights?

    It takes about 4,184 lbs of carbon per person for a flight to travel from Boston to California. If you are looking to travel on an eco-friendlier flight, there are many traveling the route. You could take flights from American Airlines and Delta Air Lines, offering eco-friendly travel options plying the route. Consider flying American Airlines as they emit 36% less CO₂ traveling the route, guaranteeing environmentally friendly flights.

  • Are there nonstop flights from Boston to California?

    The average travel time for a flight from Boston to California is about 6 hours. If you prefer direct flights, you can choose from the many nonstop flights heading to California from Boston to travel with. Most of the nonstop flights flying the route depart from Boston-Logan International Airport and arrive at San Francisco Airport. If you are headed to the Los Angeles area, you can take the nonstop flight from BOS to LAX. Flying from BOS to San Diego Airport (SAN) is also a good alternative for plying the route.

  • Does Boston Logan International Airport (BOS) offer family services?

    Yes. If you are traveling with your family to California and are taking your flight from BOS, there are several family services that you can enjoy at the airport. BOS has nursing suites available in terminal A on both the airside and landside, terminal B close to gates B37, B7, and B18, terminal C next to C8, and terminal E near gates E1 and E9. If you have little kids, you can take them to the play area to burn off some energy before your flight. The Children’s Play Areas are terminal A, close to gate 18, terminal B, next to Gates 25, 15, 16, and 30 to 36. The airport also has numerous chairs that you can use for rest when calming your fussy baby.

  • How does KAYAK find such low prices on flights from Boston to California?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to California.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to California?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Boston to California is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to California?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Boston to California with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to California?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Boston to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to California?

    The cheapest time of day to fly to California is generally in the afternoon, when retur flights cost £93 on average. Morning departures are around 51% more expensive than evening flights, on average. The most expensive time of day to fly to California is generally in the morning, which is peak travel time and where the average cost of a ticket is £342.

Top tips for finding a cheap flight from Boston to California

  • California has two prime international airports, San Francisco and Los Angeles. Los Angeles International Airport (LAX) is the main airport, the hub for American, Alaska, Delta, and United Airlines, and the focus city for Allegiant Air, New Zealand, Qantas, Norwegian, and Southwest Airlines.
  • When flying into LAX from Boston, the airport has inter-terminal shuttles providing transit between the terminals. The pick-up points for the shuttles are in front of each terminal on the lower arrivals level.
  • San Francisco International Airport (SFO) has a museum, the SFO Museum, in the airport. When flying to California from Boston, consider the BOS to SFO route to visit the museum and learn about California’s history.
  • When flying to California’s top attraction, Disneyland Park, you could fly into John Wayne Airport (SNA), the closest to the park, about 24 km (15 miles) away.
  • If you are looking for a destination airport linked to public transport, you could fly into SFO from Boston. San Francisco Bay Area links to cable cars, muni subway, bus, and light rail systems, so flying SFO is ideal when considering public transit in California.

Reviews of the top airlines flying from Boston to California

 
See real verified KAYAK customer reviews for airlines flying from Boston to California. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to California? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8008 reviews
7.9Comfort
8.5Crew
8.1Boarding
7.3Food
7.9Entertainment
Airline reviews

Service in business class was not impressive. I ordered coffee with dinner and then watched other people get 2 refills before I got my 1 cup of coffee, and only after I pressed the attendant button overhead. Furthermore, the seats in the forward cabin need maintenance on this 737-800: the upholstery is detaching from the seat frame, at least on the backs of seats 1C, 1D.

6.0 GoodDavid, Nov 2025
BOS - FLL
Read more Delta reviews

Service in business class was not impressive. I ordered coffee with dinner and then watched other people get 2 refills before I got my 1 cup of coffee, and only after I pressed the attendant button overhead. Furthermore, the seats in the forward cabin need maintenance on this 737-800: the upholstery is detaching from the seat frame, at least on the backs of seats 1C, 1D.

Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

My issue was with TSA agents for delta airlines. My luggage got flagged. The agent was going thru another persons first. He took 20 min to go thru hers. I asked them to bring mine closer so I could sit down . They said you can go sit it will be fine. I said I am supposed to keep my eyes on my bags at all times. The agent was meticulously unwrapping 2 gifts that the lady had and then tried to re warp it. He was trying to be kind i get it but 20 min for me to stand watching him do that was ridiculous. It was 6 am and there were a ton of travelers. Mine was flagged for some air packed tea that I bought in Turkey. My previous delta flight and 2 others before didn’t flag it. Consistency would be nice. Also on the flight the window shades were down for take off and landing - I thought that was very odd I thought they had to remain open for take off and landing.

The crew took good care of us. The flight from ATL to SFO is a longer one, and there were multiple beverage offerings. I like the 757's that Delta uses. Good airplane that is comfortable. I do wish Delta would separate Priority boarding from the better seats. I would gladly take a smaller seat in an open row than be jammed into Comfort just to get priority boarding, just to make sure I don't have to check a bag.

Gate agent rushed to fill hot jetway with crowd so it took over 12 minutes to go from gate to plane. Just like a discount airline Pooly prepared cabin and third time that claim of rough air prevented any cabin service. Friends on a Southwest flight at similar time had service.

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

Only issue was with seating. The economy fare we purchased did say there was no guarantee the three people in our party would be seated together, and we were not. At the gate, the agent told us more specifically, the fare we purchased meant we would be seated in middle seats only. This should just be made more obvious.

The ride share experience in JFK is terrible. After traveling on a flight, then you need to take a subway to the last stop to get an uber or lyft. Unacceptable. Bad job JetBlue for permitting JFK and Port Authority to do this to your passengers.

Checking In on JetBlue site was impossible. It hung up on REAL ID. Even my Global Entry did not help. Luckily, on Kayak site it was a breeze. Entire flight the temperature was COLD! Otherwise the crew was great!

The flight was two hours late due to a computer fault and resulting maintenance. Nothing was offered as compensation beyond bottles of water during the time we were deplaned and waiting in the terminal.

Very pleasant flight attendants. Gate crew rather loud chatting with each other.

Four plus hour flight delay in New York caused us to take off after 11:30pm. We didn’t arrive at our hotel until five hours after check in. Started the trip off feeling exhausted.

Plane was in bad shape. TV’s and WiFi didn’t work. Plane need a refresh. Not enough room for bags.

Everything was great. I liked the text updates so that I never miss a gate change & I have all the latest info.

I don’t usually fly budget airlines or airlines in the United States. It was as good as any other airline. The seats are comfortable and the airline attendants are not rude & surly. Very nice flight (s).

They have the most inexperienced / rude flight staff I’ve encountered

very difficult boarding process - aggressive passengers not the friendliest crew

Everything you need to know for your flight from Boston to California

Information on your arrival and departure airports