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CA $380 Cheap Flights from Boise (BOI) to Carlsbad (CLD)

View CA $380 flight on Sun, Oct 18, 2026Opens in a new window

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

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Cheap flights from Boise (BOI) to Carlsbad (CLD)

Prices were available within the past 7 days and start at CA $380 for one-way flights and CA $443 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 21 - Wed, Oct 28
BOI
Boise
CLD
Carlsbad
CA $443 Roundtrip, found 4 hours ago
CA $443
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Oct 21 from Boise to Carlsbad, returning Wed, Oct 28, priced at CA $443 found 4 hours ago
American Airlines
Sat, Sep 19 - Sat, Sep 26
BOI
Boise
CLD
Carlsbad
CA $463 Roundtrip, found 5 days ago
CA $463
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Sep 19 from Boise to Carlsbad, returning Sat, Sep 26, priced at CA $463 found 5 days ago
American Airlines
Fri, Oct 16 - Tue, Oct 20
BOI
Boise
CLD
Carlsbad
CA $492 Roundtrip, found 15 hours ago
CA $492
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Fri, Oct 16 from Boise to Carlsbad, returning Tue, Oct 20, priced at CA $492 found 15 hours ago
American Airlines
Wed, Nov 4 - Sat, Nov 7
BOI
Boise
CLD
Carlsbad
CA $493 Roundtrip, found 2 days ago
CA $493
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Nov 4 from Boise to Carlsbad, returning Sat, Nov 7, priced at CA $493 found 2 days ago
American Airlines
Wed, Nov 4 - Sat, Nov 7
BOI
Boise
CLD
Carlsbad
CA $540 Roundtrip, found 5 days ago
CA $540
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 4 from Boise to Carlsbad, returning Sat, Nov 7, priced at CA $540 found 5 days ago
United
Wed, Oct 21 - Wed, Oct 28
BOI
Boise
CLD
Carlsbad
CA $555 Roundtrip, found 4 hours ago
CA $555
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Oct 21 from Boise to Carlsbad, returning Wed, Oct 28, priced at CA $555 found 4 hours ago
American Airlines
Sat, Sep 5 - Sun, Sep 6
BOI
Boise
CLD
Carlsbad
CA $567 Roundtrip, found 5 days ago
CA $567
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Sep 5 from Boise to Carlsbad, returning Sun, Sep 6, priced at CA $567 found 5 days ago
United
Sat, Sep 19 - Sat, Sep 26
BOI
Boise
CLD
Carlsbad
CA $574 Roundtrip, found 5 days ago
CA $574
Roundtrip
found 5 days ago
Select United flight, departing Sat, Sep 19 from Boise to Carlsbad, returning Sat, Sep 26, priced at CA $574 found 5 days ago
American Airlines
Fri, Sep 11 - Sun, Sep 13
BOI
Boise
CLD
Carlsbad
CA $581 Roundtrip, found 1 day ago
CA $581
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 11 from Boise to Carlsbad, returning Sun, Sep 13, priced at CA $581 found 1 day ago
American Airlines
Fri, Dec 11 - Tue, Dec 15
BOI
Boise
CLD
Carlsbad
CA $591 Roundtrip, found 11 hours ago
CA $591
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Fri, Dec 11 from Boise to Carlsbad, returning Tue, Dec 15, priced at CA $591 found 11 hours ago

Frequently asked questions

How much does a flight from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) cost?
You can find one-way and return flights from BOI to CLD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BOI to CLD ticket fares go up or down.
What is the cheapest month to fly from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
The cheapest months to fly from BOI to CLD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
Enter BOI to CLD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
American Airlines is one of the cheapest airlines offering connecting return flights from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar), with tickets starting from around CA$406 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
To find a cheap flight from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
There are approximately 12 connecting flights per day from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar). Some common connection points include Sky Harbor Intl. (PHX), Denver Intl. (DEN), and San Francisco Intl. (SFO).
What is the earliest flight from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
The earliest flight from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) typically departs around 6:10 AM. This flight is operated by American Airlines. This is a seasonal service active in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
You'll typically find the most flights from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) on a Thursday, with around 2 flights available. This gives you a good selection for your travel plans. American Airlines offers service on this route. Flight schedules are consistent throughout the week, so you'll find similar options on other days too.
What are the most popular departure times for flights from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
The most popular departure times for flights from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) are between 12pm and 3pm. Many travelers prefer this time because it allows for a morning start and an afternoon arrival, giving you plenty of time to settle in. American Airlines offers flights during this window.
How long does it take to fly from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
There are no nonstop flights from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar). For flights with one stop, you can expect the journey to take around 5 hours 30 minutes. Flights with two or more stops typically take longer, around 14 hours 30 minutes. The distance covered on this route is approximately 1,165 kilometers. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
You can fly first class between BOI and CLD. First class cabins are available on American Airlines.
How do I earn miles on a Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) flight with Expedia?
It's easy to earn miles on a Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Carlsbad, CA (CLD) from Boise, ID (BOI)?
If you're planning to travel to Carlsbad from BOI, you can fly directly into McClellan-Palomar (CLD) which offers domestic flights and connections. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) at the last minute?
Typically, booking a last minute flight from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) flight and hotel package?
Securing a Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar)?
If you booked your Boise, ID (BOI) to Carlsbad, CA (CLD-McClellan-Palomar) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Boise
Destination airport
McClellan-Palomar
Airlines serving
American Airlines, United
Roundtrip price
CA $442
Distance
1157 km

Book with confidence

Boise to Carlsbad Flights

The easy way to book your flights from Boise to Carlsbad 

With Expedia, it’s simple to find and book flights to Carlsbad from Boise whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to McClellan-Palomar, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Boise to Carlsbad today, tomorrow, or this week.  

 

Save dollars with cheap flights from Boise, BOI to McClellan-Palomar, CLD 

Sort your search results by price to find great deals on your flight from Boise to Carlsbad—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Carlsbad from Boise currently is just CA $443 rising to CA $591.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Carlsbad  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Carlsbad from Boise 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Carlsbad with Expedia today.

Boise to Carlsbad Flights

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