$158 Cheap flights from Philadelphia to Carlsbad (PHL to CLD)

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

American Airlines
American Airlines

Cheap Flights from Philadelphia to Carlsbad (PHL-CLD)

Prices were available within the past 7 days and start at $158 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

Wed, Oct 29 - Tue, Nov 4

PHL

Philadelphia

CLD

Carlsbad

$317

Roundtrip

found 1 hour ago

Wed, Nov 19 - Sun, Nov 23

PHL

Philadelphia

CLD

Carlsbad

$330

Roundtrip

found 6 days ago

Sat, Oct 11 - Tue, Oct 14

PHL

Philadelphia

CLD

Carlsbad

$334

Roundtrip

found 2 hours ago

Tue, Oct 28 - Fri, Oct 31

PHL

Philadelphia

CLD

Carlsbad

$337

Roundtrip

just found

Fri, Nov 14 - Tue, Nov 18

PHL

Philadelphia

CLD

Carlsbad

$342

Roundtrip

found 2 days ago

Wed, Nov 19 - Sun, Nov 23

PHL

Philadelphia

CLD

Carlsbad

$344

Roundtrip

found 6 days ago

Wed, Oct 1 - Sat, Oct 11

PHL

Philadelphia

CLD

Carlsbad

$347

Roundtrip

found 21 hours ago

Fri, Nov 14 - Tue, Nov 18

PHL

Philadelphia

CLD

Carlsbad

$347

Roundtrip

found 2 days ago

Wed, Nov 19 - Sun, Nov 23

PHL

Philadelphia

CLD

Carlsbad

$349

Roundtrip

found 6 days ago

Wed, Sep 24 - Tue, Sep 30

PHL

Philadelphia

CLD

Carlsbad

$351

Roundtrip

found 1 hour ago

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD) cost?

Grab a cheap one-way flight from $158 or cheap return flight from $317 from Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.

What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD)?

October is the most affordable month to fly from PHL to CLD. Traveling during an off-peak travel window is often the key to finding a great deal.

What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD)?

Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from PHL to CLD. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.

How many flights per day from Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD)?

You'll need to hop on a flight with a layover if you're traveling from Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD). There are no daily direct flights on this route. However, just 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 PHL to CLD?

Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.

What is the best time to fly from Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD)?

Choose a flight from Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Philadelphia Intl. Airport (PHL)?

If you're on a direct flight from Philadelphia Intl. Airport (PHL) 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 Philadelphia Intl. Airport (PHL) to McClellan-Palomar Airport (CLD) last-minute?

Booking your ticket from PHL to CLD shortly before your trip is usually 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 PHL to CLD flight and hotel package?

Booking a PHL to CLD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of hotels and then add car rentals, activities and flights 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 Intl. Airport (PHL) to McClellan-Palomar Airport (CLD)?

In most instances, you're able to cancel or reschedule your PHL to CLD flight. However, there may be additional charges, 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'd like more details, go to our Customer Service portal.

Travel information

Origin airport	Philadelphia Intl.
Destination airport	McClellan-Palomar
Airlines serving	American Airlines
Roundtrip price	$316
Distance	2358 mi

Book with confidence

Philadelphia to Carlsbad Flights

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

The best time to book a flight from Philadelphia to Carlsbad

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Carlsbad in 2025. You can also book with separate airlines for your outbound and return journeys, from $158 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 Philadelphia 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 Philadelphia 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.