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Carlsbad

$119+ Cheap flights from Boston (BOS) to Carlsbad, CA, CA

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Carlsbad are usually found in September or January, booked 54 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Boston to Carlsbad

Keep the following information in mind while searching for Boston to Carlsbad flight deals. Data was last updated April 24, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$207
(Booking.com)

One-way from

$119
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$437
Provider with most accurate pricing for Boston Logan Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Los Angeles flights.
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From Boston Logan Intl to Carlsbad
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One-way flight from Boston Logan Intl to Carlsbad
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Boston to Carlsbad

Cheapest flights from Boston to Carlsbad
Explore the most affordable flight options available from Boston to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Booking.com deal was found by Cheapflights users on 4/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/310:04 amBOS - LAX
1 stop12h 44mSpirit Airlines
Fri 6/136:52 pmLAX - BOS
2 stops18h 49mSpirit Airlines
Deal found 4/23$207
This Booking.com deal was found by Cheapflights users on 4/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:00 amBOS - LAX
1 stop12h 43mFrontier
Sat 5/174:59 pmLAX - BOS
1 stop29h 06mFrontier
Deal found 4/22$208
This Booking.com deal was found by Cheapflights users on 4/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:00 amBOS - LAX
1 stop14h 55mMultiple Airlines
Mon 5/1911:10 pmLAX - BOS
1 stop14h 14mMultiple Airlines
Deal found 4/22$212
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/287:34 amBOS - LAX
Nonstop6h 11mUnited Airlines
Thu 5/2912:20 amLAX - BOS
1 stop7h 56mUnited Airlines
Deal found 4/23$219
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:59 pmBOS - LAX
1 stop14h 35mAlaska Airlines
Sat 5/317:00 amLAX - BOS
1 stop20h 10mAlaska Airlines
Deal found 4/23$247
This JetBlue deal was found by Cheapflights users on 4/23. 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.
Sat 5/249:45 pmBOS - LAX
Nonstop6h 28mJetBlue
Thu 5/2912:20 pmLAX - BOS
1 stop8h 57mJetBlue
Deal found 4/23$248
This Delta deal was found by Cheapflights users on 4/23. 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.
Sat 5/245:00 pmBOS - LAX
Nonstop6h 35mDelta
Fri 5/303:20 pmLAX - BOS
Nonstop5h 28mDelta
Deal found 4/23$258
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/38:00 amBOS - LAX
Nonstop6h 35mAmerican Airlines
Sat 6/712:32 amLAX - BOS
1 stop7h 54mAmerican Airlines
Deal found 4/23$295

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Carlsbad 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 April 24, 2025.
Use the filters below to find and compare flights from Boston to Carlsbad that are best for you.

Fly from

Boston

Fly to

Carlsbad

Route

Depart

Return

Price

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 5/6

6:00 am-5:01 pm

1 stop14h 01m

Los Angeles

Fri 5/9

10:10 pm-9:09 am

2 stops31h 59m

$203

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 5/7

8:00 am-5:43 pm

1 stop12h 43m

Los Angeles

Sat 5/10

11:36 am-7:03 am

1 stop16h 27m

$206

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 5/13

8:00 am-5:43 pm

1 stop12h 43m

Los Angeles

Sat 5/17

4:59 pm-1:05 am

1 stop29h 06m

$208

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 5/28

7:34 am-10:45 am

Nonstop6h 11m

Los Angeles

Thu 5/29

12:20 am-11:16 am

1 stop7h 56m

$219

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 7/1

6:25 am-9:40 am

Nonstop6h 15m

Los Angeles

Tue 7/8

8:25 pm-5:00 am

Nonstop5h 35m

$238

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sat 5/24

7:59 pm-7:34 am

1 stop14h 35m

Los Angeles

Fri 5/30

3:05 pm-6:10 am

1 stop12h 05m

$247

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sat 5/17

6:55 am-10:19 am

Nonstop6h 24m

Los Angeles

Tue 5/20

3:20 pm-11:48 pm

Nonstop5h 28m

$257

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 5/14

5:00 am-8:28 am

Nonstop6h 28m

Los Angeles

Sun 5/18

12:55 am-12:12 pm

1 stop8h 17m

$327

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sat 5/31

6:00 am-12:57 pm

1 stop9h 57m

$119

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 5/2

9:05 pm-9:35 pm

2 stops27h 30m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 19 results
1
2

Best time to book a flight from Boston to Carlsbad

Have a flexible travel schedule? Discover the best time to fly to Carlsbad from Boston 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 Boston to Carlsbad

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Carlsbad. Price data was last updated on April 18, 2025.

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Carlsbad. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Boston to Carlsbad (average of $246). Flying from Boston to Carlsbad in June is currently the most expensive (average of $328). 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 C4D?

Find hourly flight availability from Boston to Carlsbad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Carlsbad as you normally would.

What is the cheapest day to fly from Boston to Carlsbad?

Use this chart to determine the cheapest time to fly round-trip from Boston to Carlsbad. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Carlsbad flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Carlsbad

Explore weekly flight availability from Boston to Carlsbad. 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 April 24, 2025.

The most flights from BOS to C4D are scheduled on a Wednesday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

Rainfall in Carlsbad by month

Plan your trip to Carlsbad by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Carlsbad ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Carlsbad when rainfall is around 0.0 in.

Temperature in Carlsbad by month

Plan your trip to Carlsbad by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Carlsbad, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing Carlsbad

Get insights into the airlines that provide service to Carlsbad. 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 Carlsbad. Reviews last updated April 24, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Boston to Carlsbad. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

    If you book a flight to Carlsbad 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. There are 47 flights from Logan Intl to Carlsbad per day from 11 different airlines.

  • How popular is this Boston to Carlsbad flight route?

    This flight path from Boston Logan Intl to Carlsbad was viewed by 96 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Boston to Carlsbad one-way?

    One-way options have recently been found by users for as low as $119 on Hawaiian Airlines. Other airlines that offer cheap prices include Spirit Airlines from $120 and Frontier from $124 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Carlsbad on time: EL AL (94%), Air China (93%), ITA Airways (92%).

  • What are the cheapest flights from Boston to Carlsbad?

    On average you can expect to pay $952 for a flight from Boston to Carlsbad. The cheapest flight overall is $99 while the most popular route, (Boston Logan Intl - Los Angeles) is currently priced at $162.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Boston to Carlsbad (average of $246). Flying from Boston to Carlsbad in June is currently the most expensive (average of $328). 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.

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Top 10 airlines flying from Boston to Carlsbad

Discover the top 10 airlines that operate flights from Boston to Carlsbad. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$171FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$109Average$247FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$113Average$272FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$138Average$351FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$148Average$385FlexibilityNo cancel feeOn-time62%
DeltaCheapest$161Average$429FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$161Average$445FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$166Average$384FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$204Average$443FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$440FlexibilityNo cancel feeOn-time71%

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