$80 Cheap Flights from Boise (BOI) to Carlsbad (CLD)

View $80 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)

Cheap Flights from Boise to Carlsbad (BOI-CLD)

Prices were available within the past 7 days and start at $80 for one-way flights and $159 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 23 - Wed, Sep 24
BOI
Boise
CLD
Carlsbad
$159 Roundtrip, just found
$159
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 23 from Boise to Carlsbad, returning Wed, Sep 24, priced at $159 just found
American Airlines
Mon, Jan 19 - Fri, Jan 23
BOI
Boise
CLD
Carlsbad
$163 Roundtrip, found 3 days ago
$163
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 19 from Boise to Carlsbad, returning Fri, Jan 23, priced at $163 found 3 days ago
American Airlines
Wed, Oct 1 - Thu, Oct 2
BOI
Boise
CLD
Carlsbad
$166 Roundtrip, found 3 days ago
$166
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 1 from Boise to Carlsbad, returning Thu, Oct 2, priced at $166 found 3 days ago
American Airlines
Tue, Dec 16 - Wed, Jan 7
BOI
Boise
CLD
Carlsbad
$168 Roundtrip, found 7 hours ago
$168
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Dec 16 from Boise to Carlsbad, returning Wed, Jan 7, priced at $168 found 7 hours ago
American Airlines
Sat, Jan 31 - Thu, Feb 5
BOI
Boise
CLD
Carlsbad
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Jan 31 from Boise to Carlsbad, returning Thu, Feb 5, priced at $177 found 1 hour ago
American Airlines
Fri, Sep 5 - Wed, Sep 10
BOI
Boise
CLD
Carlsbad
$178 Roundtrip, found 21 hours ago
$178
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Fri, Sep 5 from Boise to Carlsbad, returning Wed, Sep 10, priced at $178 found 21 hours ago
American Airlines
Tue, Oct 7 - Sun, Oct 12
BOI
Boise
CLD
Carlsbad
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 7 from Boise to Carlsbad, returning Sun, Oct 12, priced at $180 found 3 days ago
American Airlines
Wed, Sep 24 - Sun, Sep 28
BOI
Boise
CLD
Carlsbad
$181 Roundtrip, found 5 days ago
$181
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 24 from Boise to Carlsbad, returning Sun, Sep 28, priced at $181 found 5 days ago
American Airlines
Mon, Jan 26 - Fri, Jan 30
BOI
Boise
CLD
Carlsbad
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 26 from Boise to Carlsbad, returning Fri, Jan 30, priced at $183 found 4 days ago
American Airlines
Fri, Oct 31 - Sun, Nov 2
BOI
Boise
CLD
Carlsbad
$185 Roundtrip, found 5 days ago
$185
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Oct 31 from Boise to Carlsbad, returning Sun, Nov 2, priced at $185 found 5 days ago

Alternative airports near Carlsbad

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest option available. Average driving time to city center is 38 minutes. Flights from $183
SAN
San Diego Intl.
Cheapest
Average driving time to city center38 min
Flights from $183
Flights from Boise (BOI) to Carlsbad (CLD)
Origin airport
Boise
Destination airport
McClellan-Palomar
Airlines serving
American Airlines
Roundtrip price
$158
Distance
723 mi

Boise to Carlsbad Flights

The cheapest times to fly from Boise 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 Boise to Carlsbad are during the month of September. You can find some of the cheapest flights from Boise to Carlsbad with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to Carlsbad

Sunday is one of the best days to book for cheap flights from Boise 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 Boise 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 Boise to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 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 Boise 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 Boise 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.

 

Frequently asked questions

How much does a flight from Boise Airport (BOI) to McClellan-Palomar Airport (CLD) cost?
Secure a cheap one-way flight from $80 or cheap return flight from $159 from Boise Airport (BOI) to McClellan-Palomar Airport (CLD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to McClellan-Palomar Airport (CLD)?
Traveling in September is a good way to save, as it's the cheapest month for flights between BOI and CLD. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Boise Airport (BOI) to McClellan-Palomar Airport (CLD)?
To find the cheapest airline flying from BOI to CLD, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Boise Airport (BOI) to McClellan-Palomar Airport (CLD)?
You'll have to catch a flight with a layover if you're traveling from Boise Airport (BOI) 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 find the best option for your trip.
What day of the week has the most flights from BOI to CLD?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary 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 Boise Airport (BOI) to McClellan-Palomar Airport (CLD)?
To touch down at McClellan-Palomar Airport (CLD) without delays, opt for a flight that leaves from Boise Airport (BOI) 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 Boise Airport (BOI)?
Hop on a direct flight from Boise Airport (BOI) to Carlsbad and land at San Diego Intl. Airport (SAN). An alternative entry point into this city is John Wayne Airport (SNA).
Is it cheaper to buy a plane ticket from Boise Airport (BOI) to McClellan-Palomar Airport (CLD) last-minute?
Last-minute fares from BOI to CLD are typically more expensive. To secure the best rates, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may score a cheap fare right before your journey.
Is it cheaper to book a BOI to CLD flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOI to CLD flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to McClellan-Palomar Airport (CLD)?
In most instances, you can reschedule or cancel your BOI to CLD flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.