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Carlsbad

$115+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LAX
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Boston Logan Intl to Carlsbad are usually found in September or October, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Boston to Carlsbad

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Carlsbad (C4D). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$177
(Cheapflightsfares)

One-way from

$115
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$318
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. 10% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 21, 2025.

This Justfly.com deal was found by Cheapflights users on 1/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:00 amBOS - LAX
1 stop16h 18mMultiple Airlines
Mon 3/1011:40 pmLAX - BOS
1 stop8h 40mMultiple Airlines
Deal found 1/21$177
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/195:12 pmBOS - LAX
1 stop17h 31mSpirit Airlines
Wed 2/2610:43 pmLAX - BOS
2 stops14h 29mSpirit Airlines
Deal found 1/21$178
This Booking.com deal was found by Cheapflights users on 1/21. 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.
Fri 4/2512:48 pmBOS - LAX
1 stop12h 17mFrontier
Mon 4/284:59 pmLAX - BOS
1 stop28h 51mFrontier
Deal found 1/21$180
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/196:00 pmBOS - LAX
Nonstop6h 45mUnited Airlines
Tue 2/258:25 amLAX - BOS
Nonstop5h 25mUnited Airlines
Deal found 1/21$213
This Delta deal was found by Cheapflights users on 1/21. 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 2/226:25 pmBOS - LAX
Nonstop6h 55mDelta
Wed 2/267:55 amLAX - BOS
Nonstop5h 22mDelta
Deal found 1/21$227
This JetBlue deal was found by Cheapflights users on 1/21. 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.
Thu 2/66:04 amBOS - LAX
Nonstop6h 36mJetBlue
Wed 2/127:45 amLAX - BOS
Nonstop5h 24mJetBlue
Deal found 1/21$229
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 9/118:03 amBOS - LAX
Nonstop6h 22mAmerican Airlines
Sun 9/1410:15 pmLAX - BOS
Nonstop5h 32mAmerican Airlines
Deal found 1/21$303
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/115:24 pmBOS - LAX
2 stops23h 53mAlaska Airlines
Tue 2/258:00 amLAX - BOS
1 stop28h 23mAlaska Airlines
Deal found 1/21$310
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/118:30 amBOS - LAX
2 stops11h 45mSouthwest
Fri 2/216:20 pmLAX - BOS
1 stop12h 20mSouthwest
Deal found 1/21$322

Find flights from Boston to Carlsbad within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 2/4

7:13 am-1:02 pm

1 stop8h 49m

Los Angeles

Fri 2/7

9:40 pm-2:45 pm

1 stop14h 05m

$177

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 3/7

6:00 am-3:04 pm

1 stop12h 04m

Los Angeles

Tue 3/11

11:40 pm-11:20 am

1 stop8h 40m

$185

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 2/12

8:15 am-11:48 am

Nonstop6h 33m

Los Angeles

Sat 2/15

9:15 pm-5:49 am

Nonstop5h 34m

$203

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Sat 2/22

6:25 pm-10:20 pm

Nonstop6h 55m

Los Angeles

Wed 2/26

7:55 am-4:17 pm

Nonstop5h 22m

$227

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 2/7

6:15 pm-9:50 pm

Nonstop6h 35m

Los Angeles

Sun 2/9

12:51 am-12:18 pm

1 stop8h 27m

$268

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 3/21

6:00 am-3:04 pm

1 stop12h 04m

Los Angeles

Sat 3/29

8:18 pm-12:34 am

1 stop25h 16m

$272

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 2/5

10:49 am-5:04 pm

1 stop9h 15m

Los Angeles

Sun 2/9

10:49 pm-7:15 am

Nonstop5h 26m

$312

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Tue 2/11

1:25 pm-9:45 pm

2 stops11h 20m

Los Angeles

Tue 2/18

8:55 am-11:55 pm

1 stop12h 00m

$318

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Fri 2/21

7:59 pm-10:31 am

2 stops17h 32m

Los Angeles

Tue 2/25

11:30 am-3:23 pm

1 stop24h 53m

$321

BostonLos Angeles

BOS - LAX

BOSLAX

Boston Logan Intl

Wed 2/19

4:20 pm-12:00 pm

2 stops22h 40m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 19 results
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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.

Travel insights for flights from Boston to Carlsbad

Get recent, data-driven insights about flights from Boston to Carlsbad including ideal travel times, pricing trends, and more.

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 January 17, 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 March is currently the most expensive (average of $344). 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 January 21, 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 Monday at noon when fares are most often at their lowest. Sunday afternoons 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 January 21, 2025.

The most flights from BOS to C4D are scheduled on a Monday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 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 January 21, 2025.
Read reviews from past customers who have flown Frontier, Spirit Airlines and Alaska Airlines from Boston to Carlsbad. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,200 reviews
Southwest
8.1
Very good
4,662 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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 36 flights from Logan Intl to Carlsbad per day from 10 different airlines.

  • How popular is this Boston to Carlsbad flight route?

    This flight path from Boston Logan Intl to Carlsbad was viewed by 106 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 $115 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $119 and Delta from $125 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: Air Tahiti Nui (92%), American Airlines (92%), Fiji Airways (92%).

  • What are the cheapest flights from Boston to Carlsbad?

    On average you can expect to pay $924 for a flight from Boston to Carlsbad. The cheapest flight overall is $118 while the most popular route, (Boston Logan Intl - Los Angeles) is currently priced at $147.

  • 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 March is currently the most expensive (average of $344). 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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Alternative routes for Boston to Carlsbad

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$171FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$112Average$249FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$113Average$272FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$148Average$391FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$161Average$457FlexibilityNo cancel feeOn-time75%
DeltaCheapest$163Average$441FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$166Average$382FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$200Average$451FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$464FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$238Average$469FlexibilityNo cancel feeOn-time63%
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