Cheap Flights from Philadelphia (PHL) to Carlsbad (CLD)

View AU$369 flight on Thu, 18 June 2026Opens in a new window

Popular airlines from Philadelphia International Airport (PHL) to Carlsbad, CA (CLD-McClellan-Palomar)

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Cheap Flights from Philadelphia (PHL) to Carlsbad (CLD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$544 Return, found 4 days ago
AU$544
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$544 found 4 days ago
American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$629 Return, found 4 days ago
AU$629
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$629 found 4 days ago
American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$720 Return, found 4 days ago
AU$720
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$720 found 4 days ago
American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$727 Return, found 4 days ago
AU$727
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$727 found 4 days ago
American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$804 Return, found 4 days ago
AU$804
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$804 found 4 days ago
American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$811 Return, found 4 days ago
AU$811
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$811 found 4 days ago
United
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$848 Return, found 4 days ago
AU$848
Return
found 4 days ago
Select United flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$848 found 4 days ago
American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$867 Return, found 4 days ago
AU$867
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$867 found 4 days ago
American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$901 Return, found 4 days ago
AU$901
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$901 found 4 days ago
American Airlines
Wed, 10 June - Wed, 17 June
PHL
Philadelphia
CLD
Carlsbad
AU$928 Return, found 4 days ago
AU$928
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 June from Philadelphia to Carlsbad, returning Wed, 17 June, priced at AU$928 found 4 days ago

Frequently asked questions

How do I find cheap flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar)?
To find a cheap flight from Philadelphia, PA (PHL-Philadelphia Intl.) 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 Philadelphia, PA (PHL-Philadelphia Intl.) 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar)?
There are approximately 35 connecting flights per day from Philadelphia International (PHL) to McClellan-Palomar (CLD). Some common connection points include O'Hare International (ORD), Denver International (DEN), and Sky Harbor International (PHX).
What is the earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar)?
The earliest flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in February. 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar)?
You'll typically find the most flights from Philadelphia International Airport (PHL) to McClellan-Palomar (CLD) on a Monday, with around 34 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines.
What are the most popular departure times for flights from Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar)?
The most popular departure times for flights from Philadelphia Intl. (PHL) to McClellan-Palomar (CLD) are in the early morning, from 6am to 9am. Around 43% of passengers reckon this time's best. Heaps of major carriers, including American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar)?
A flight from PHL to CLD with a layover takes around 8 hours, with the route covering approximately 2,359 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar)?
Select the "Business class" and "First class" filters when looking for PHL to CLD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar) flight with Expedia?
It's easy to earn miles on a Philadelphia, PA (PHL-Philadelphia Intl.) 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 from Philadelphia Intl. (PHL)?
From Philadelphia Intl. (PHL), you can fly directly into McClellan-Palomar (CLD) to reach Carlsbad. Some flights may connect through major hubs like O'Hare Intl. (ORD), Logan Intl. (BOS), Charlotte-Douglas Intl. (CLT) before reaching Carlsbad. 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar) at the last minute?
Typically, booking a last minute flight from Philadelphia, PA (PHL-Philadelphia Intl.) 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar) flight and hotel package?
Securing a Philadelphia, PA (PHL-Philadelphia Intl.) 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 Philadelphia, PA (PHL-Philadelphia Intl.) to Carlsbad, CA (CLD-McClellan-Palomar)?
If you booked your Philadelphia, PA (PHL-Philadelphia Intl.) 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
Philadelphia Intl.
Destination airport
McClellan-Palomar
Return price
AU$544
Distance
3773 km

Book with confidence

Your quick guide to flights from Philadelphia to Carlsbad

Pick up great flights from Philadelphia to Carlsbad

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Philadelphia to Carlsbad. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Philadelphia to Carlsbad that take around hours.

Find cheap flights from Philadelphia to Carlsbad

From the great flight deals with prices currently ranging from AU$544 to AU$928, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Philadelphia to Carlsbad around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Carlsbad is normally in June.

Reasons to book your flight from Philadelphia to Carlsbad with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Philadelphia to Carlsbad across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Carlsbad right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Philadelphia to Carlsbad

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