$115 Cheap Flights from Boston (BOS) to Carlsbad (CLD)

View $115 flight on Fri, Jan 23, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Carlsbad, CA (CLD-McClellan-Palomar)

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Cheap Flights from Boston to Carlsbad (BOS-CLD)

Prices were available within the past 7 days and start at $115 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Dec 15 - Sat, Jan 24
BOS
Boston
CLD
Carlsbad
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 15 from Boston to Carlsbad, returning Sat, Jan 24, priced at $229 found 1 day ago
American Airlines
Wed, Dec 10 - Tue, Dec 16
BOS
Boston
CLD
Carlsbad
$237 Roundtrip, found 11 hours ago
$237
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Boston to Carlsbad, returning Tue, Dec 16, priced at $237 found 11 hours ago
American Airlines
Fri, Dec 5 - Wed, Dec 17
BOS
Boston
CLD
Carlsbad
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 5 from Boston to Carlsbad, returning Wed, Dec 17, priced at $243 found 2 days ago
American Airlines
Sat, Dec 13 - Tue, Dec 16
BOS
Boston
CLD
Carlsbad
$247 Roundtrip, found 7 hours ago
$247
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Dec 13 from Boston to Carlsbad, returning Tue, Dec 16, priced at $247 found 7 hours ago
American Airlines
Wed, Oct 29 - Wed, Nov 5
BOS
Boston
CLD
Carlsbad
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Boston to Carlsbad, returning Wed, Nov 5, priced at $248 found 2 days ago
American Airlines
Tue, Dec 16 - Wed, Dec 17
BOS
Boston
CLD
Carlsbad
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 16 from Boston to Carlsbad, returning Wed, Dec 17, priced at $252 found 1 day ago
American Airlines
Thu, Dec 4 - Sat, Dec 6
BOS
Boston
CLD
Carlsbad
$257 Roundtrip, just found
$257
Roundtrip
just found
Select American Airlines flight, departing Thu, Dec 4 from Boston to Carlsbad, returning Sat, Dec 6, priced at $257 just found
American Airlines
Wed, Nov 19 - Thu, Nov 27
BOS
Boston
CLD
Carlsbad
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 19 from Boston to Carlsbad, returning Thu, Nov 27, priced at $258 found 2 days ago
American Airlines
Mon, Dec 15 - Sat, Jan 24
BOS
Boston
CLD
Carlsbad
$261 Roundtrip, found 2 days ago
$261
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 15 from Boston to Carlsbad, returning Sat, Jan 24, priced at $261 found 2 days ago
American Airlines
Fri, Dec 5 - Wed, Dec 17
BOS
Boston
CLD
Carlsbad
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 5 from Boston to Carlsbad, returning Wed, Dec 17, priced at $262 found 1 day ago

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD) cost?
Secure a cheap one-way flight from $115 or cheap return flight from $229 from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD)?
December is the most affordable month to fly from BOS to CLD. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BOS to CLD. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD)?
You'll need to take a flight with a layover when traveling from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BOS to CLD?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD)?
To reach McClellan-Palomar Airport (CLD) on time, select a flight that takes off from Logan Intl. Airport (BOS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Carlsbad from Logan Intl. Airport (BOS)?
If you've booked a direct flight from Logan Intl. Airport (BOS) to Carlsbad, San Diego Intl. Airport (SAN) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD) last-minute?
Booking your plane ticket from BOS to CLD right before your getaway is typically more expensive. But if there's some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a BOS to CLD flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to CLD flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to McClellan-Palomar Airport (CLD)?
If you booked your BOS to CLD flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Logan Intl.
Destination airport
McClellan-Palomar
Airlines serving
American Airlines
Roundtrip price
$228
Distance
2573 mi

Book with confidence

Book with confidence

Boston to Carlsbad Flights

The cheapest times to fly from Boston to Carlsbad

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Carlsbad are during the month of December. You can find some of the cheapest flights from Boston to Carlsbad with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Carlsbad

Sunday is one of the best days to book for cheap flights from Boston to Carlsbad: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Carlsbad

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Carlsbad flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Carlsbad airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Carlsbad Flights

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*Available to One Key members.