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Cheap flights from Boston to California from £81

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to California departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Boston to California

Cheap return flights

Enter your travel dates to find the best prices.
Southwest Logo
14:15 - 21:05
BOS
-
SAN
9h 50m
1 stop
Southwest Logo
18:55 - 08:00
SAN
-
BOS
10h 05m
2 stops
£175Southwest
Wed, 7 Oct - Wed, 14 Oct
Southwest Logo
12:25 - 15:40
BOS
-
SAN
6h 15mdirect
Southwest Logo
11:20 - 19:40
SAN
-
BOS
5h 20mdirect
£175Southwest
Thu, 26 Nov - Tue, 1 Dec
United Airlines Logo
05:45 - 10:56
BOS
-
LAX
8h 11m
1 stop
United Airlines Logo
21:35 - 06:14
LAX
-
BOS
5h 39mdirect
£189United Airlines
Wed, 30 Sep - Wed, 7 Oct
United Airlines Logo
11:54 - 15:09
BOS
-
LAX
6h 15mdirect
United Airlines Logo
00:09 - 11:19
LAX
-
BOS
8h 10m
1 stop
£190United Airlines
Wed, 19 Aug - Mon, 24 Aug
JetBlue Logo
19:39 - 00:49
BOS
-
LAS
8h 10m
1 stop
JetBlue Logo
20:50 - 05:00
LAS
-
BOS
5h 10mdirect
£212JetBlue
Sun, 26 Jul - Tue, 4 Aug
JetBlue Logo
19:39 - 00:49
BOS
-
LAS
8h 10m
1 stop
JetBlue Logo
12:12 - 20:34
LAS
-
BOS
5h 22mdirect
£213JetBlue
Sun, 26 Jul - Tue, 4 Aug
Delta Logo
07:50 - 10:32
BOS
-
LAS
5h 42mdirect
Delta Logo
11:00 - 19:13
LAS
-
BOS
5h 13mdirect
£214Delta
Sun, 26 Jul - Tue, 4 Aug
Delta Logo
07:50 - 10:32
BOS
-
LAS
5h 42mdirect
Delta Logo
10:39 - 18:49
LAS
-
BOS
5h 10mdirect
£215Delta
Tue, 21 Jul - Mon, 27 Jul
Alaska Airlines Logo
06:03 - 13:11
BOS
-
LAS
10h 08m
1 stop
Alaska Airlines Logo
18:19 - 05:40
LAS
-
BOS
8h 21m
1 stop
£218Alaska Airlines
Sat, 4 Jul - Wed, 8 Jul
Alaska Airlines Logo
08:00 - 14:45
BOS
-
SFO
9h 45m
1 stop
Alaska Airlines Logo
18:21 - 07:39
SFO
-
BOS
10h 18m
1 stop
£239Alaska Airlines
Wed, 19 Aug - Tue, 15 Sep

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JetBlue flights from Boston to California

Our best JetBlue deals on Boston to California flight tickets
JetBlue
29 Jul
BOS06:00Boston Logan Intl
6h 09m
LAX09:09Los Angeles Los Angeles
3 Aug
LAX20:30Los Angeles Los Angeles
7h 44m
1 stop
BOS07:14Boston Logan Intl
£191
JetBlue
1 Sept
BOS12:42Boston Logan Intl
9h 18m
1 stop
SAN19:00San Diego
2 Sept
SAN20:30San Diego
7h 39m
1 stop
BOS07:09Boston Logan Intl
£192
JetBlue
4 Jul
BOS09:30Boston Logan Intl
6h 06m
SAN12:36San Diego
4 Jul
SAN20:40San Diego
5h 40m
BOS05:20Boston Logan Intl
£199

United Airlines flights from Boston to California

Our best United Airlines deals on Boston to California flight tickets
United Airlines
11 Sept
BOS05:45Boston Logan Intl
8h 32m
1 stop
SAN11:17San Diego
14 Sept
SAN14:15San Diego
7h 59m
1 stop
BOS01:14Boston Logan Intl
£188
United Airlines
19 Sept
BOS05:45Boston Logan Intl
7h 47m
1 stop
LAX10:32Los Angeles Los Angeles
26 Sept
LAX21:35Los Angeles Los Angeles
5h 39m
BOS06:14Boston Logan Intl
£189
United Airlines
3 Sept
BOS08:15Boston Logan Intl
6h 14m
LAX11:29Los Angeles Los Angeles
5 Sept
LAX00:09Los Angeles Los Angeles
7h 45m
1 stop
BOS10:54Boston Logan Intl
£190

momondo 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, momondo users made 279,928 searches. Data last updated 12 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

Wed 7/10

14:15-21:05

1 stop9h 50m

San Diego

Wed 14/10

18:55-08:00

2 stops10h 05m

£174

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Thu 26/11

12:25-15:40

Nonstop6h 15m

San Diego

Tue 1/12

11:20-19:40

Nonstop5h 20m

£175

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 30/9

05:45-10:56

1 stop8h 11m

Los Angeles Los Angeles

Wed 7/10

21:35-06:14

Nonstop5h 39m

£189

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 19/8

11:54-15:09

Nonstop6h 15m

Los Angeles Los Angeles

Mon 24/8

00:09-11:19

1 stop8h 10m

£190

BostonLas Vegas

BOS - LAS

BOSLAS

Boston Logan Intl

Sun 26/7

19:39-00:49

1 stop8h 10m

Las Vegas Harry Reid Intl

Tue 4/8

20:50-05:00

Nonstop5h 10m

£212

BostonLas Vegas

BOS - LAS

BOSLAS

Boston Logan Intl

Sun 26/7

19:39-00:49

1 stop8h 10m

Las Vegas Harry Reid Intl

Tue 4/8

12:12-20:34

Nonstop5h 22m

£213

BostonLas Vegas

BOS - LAS

BOSLAS

Boston Logan Intl

Sun 26/7

07:50-10:32

Nonstop5h 42m

Las Vegas Harry Reid Intl

Tue 4/8

11:00-19:13

Nonstop5h 13m

£214
Fastest return journey

BostonLas Vegas

BOS - LAS

BOSLAS

Boston Logan Intl

Tue 21/7

07:50-10:32

Nonstop5h 42m

Las Vegas Harry Reid Intl

Mon 27/7

10:39-18:49

Nonstop5h 10m

£215

BostonLas Vegas

BOS - LAS

BOSLAS

Boston Logan Intl

Sat 4/7

06:03-13:11

1 stop10h 08m

Las Vegas Harry Reid Intl

Wed 8/7

18:19-05:40

1 stop8h 21m

£218

BostonSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 19/8

08:00-14:45

1 stop9h 45m

San Francisco

Tue 15/9

18:21-07:39

1 stop10h 18m

£239

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to California from

How to get the cheapest flight ticket from Boston to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to California?

If you are unable to visit California during the month of September, then departing from Boston during the month January is also very affordable. Most momondo users find prices during this month for around £252.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart on your flight to California is on a Friday when prices can be found for as low as £188. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £682.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the evening when flights can be purchased for as low as £203. In contrast, the most expensive time of day to depart to California is at midday when prices are around £518.

What is the cheapest Boston Logan Intl to California flight route?

Fly from Boston Logan Intl to San Diego for the best Boston Logan Intl - California flight prices

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

You are more likely to see cheaper flights to California from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around £275 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from Boston for as low as £226 on momondo.

What cabin class options are available on Boston to California flights?

There are 3 cabin classes available to choose from on Boston to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to California flights?

You could potentially save up to 6% on your flight if you consider stops on a Boston to California flight.

Cheap Boston to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to California

Best price found

£126

Fastest flight time

6h 06m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from Boston in the past 72 hours is £126. The best return flight deal from Boston to California found on momondo in the last 72 hours is £424.
The fastest flight from Boston to California takes 6h 06m
Direct flights go from Boston to California every day.
There are 418 airports in California. From Boston there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from Boston to California

  • When did momondo last update prices for flights from Boston Logan Intl Airport to California?

    Prices for flights from Boston Logan Intl Airport to California are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to California?

  • How old do you have to be to fly from Boston Logan Intl Airport to California?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to California?

Best airlines flying from Boston to California

Compare and see reviews for airlines that fly from Boston to California with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom £133Free CancellationRating
7.1
11,647 reviews
Search American Airlines flights
JetBluePriceFrom £180Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
DeltaPriceFrom £419Free CancellationRating
7.9
8,404 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to California?

It is quick and easy to find Boston to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

Can I find flights from Boston to California with flexible booking policies on momondo?

All flight searches from Boston to California on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to California?

Once all potential Boston to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to California right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to California from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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