A coastal cityscape with a beach, residential buildings, and a distant industrial structure.

S$342 Cheap Flights from Ontario Intl. Airport to Carlsbad

View S$342 flight on Sat, 15 Aug, 2026Opens in a new window

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

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Cheap Flights from Ontario Intl. Airport to Carlsbad (ONT-CLD)

Prices were available within the past 7 days and start at S$342 for one-way flights and S$453 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 15 Aug - Mon, 17 Aug
ONT
Ontario
CLD
Carlsbad
S$453 Return, found 2 days ago
S$453
Return
found 2 days ago
Select United flight, departing Sat, 15 Aug from Ontario to Carlsbad, returning Mon, 17 Aug, priced at S$453 found 2 days ago
United
Sat, 15 Aug - Mon, 17 Aug
ONT
Ontario
CLD
Carlsbad
S$505 Return, found 2 days ago
S$505
Return
found 2 days ago
Select United flight, departing Sat, 15 Aug from Ontario to Carlsbad, returning Mon, 17 Aug, priced at S$505 found 2 days ago
American Airlines
Sat, 15 Aug - Mon, 17 Aug
ONT
Ontario
CLD
Carlsbad
S$952 Return, found 2 days ago
S$952
Return
found 2 days ago
Select American Airlines flight, departing Sat, 15 Aug from Ontario to Carlsbad, returning Mon, 17 Aug, priced at S$952 found 2 days ago
American Airlines
Sat, 15 Aug - Mon, 17 Aug
ONT
Ontario
CLD
Carlsbad
S$1,199 Return, found 2 days ago
S$1,199
Return
found 2 days ago
Select American Airlines flight, departing Sat, 15 Aug from Ontario to Carlsbad, returning Mon, 17 Aug, priced at S$1,199 found 2 days ago

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
McClellan-Palomar
Return price
S$453
Distance
107 km

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Perfect flights from Ontario Intl. Airport to Carlsbad

Your Journey from Ontario Intl. Airport to Carlsbad

Start your unforgettable journey with Expedia. Our broad selection of flights from Ontario Intl. Airport to Carlsbad caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, American Airlines. Our selection of flights from Ontario Intl. Airport to McClellan-Palomar caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 7 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Ontario Intl. Airport to Carlsbad Flights

Experience the joy of finding cheap flights from Ontario Intl. Airport to McClellan-Palomar that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$342 and roundtrip prices from S$453*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ontario Intl. Airport to Carlsbad with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Carlsbad

Picture yourself stepping off the plane in Carlsbad and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Ontario Intl. Airport to Carlsbad Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Ontario Intl. Airport to Carlsbad.
 

Beyond the Flight – Exploring Carlsbad

With Expedia, your adventure extends beyond the flight. Explore Carlsbad at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Ontario Intl. Airport to Carlsbad

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