S$ 387 Cheap Flights from Ontario to Carlsbad (ONT-CNM)

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Cheap Flights from Ontario to Carlsbad

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Cheap Flights from Ontario to Carlsbad starting at S$ 387

Book one-way or return flights from Ontario to Carlsbad from as little as S$ 387. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Ontario to Carlsbad? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Ontario to Carlsbad. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Cheapest Airlines flying from Ontario to Carlsbad

View airlines operating flights from Ontario to Carlsbad. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From S$ 387

United Airlines

From S$ 573

American Airlines

From S$ 624

ANA airlines

Find more flights and airlines

Alternative Routes from Ontario to Carlsbad

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Ontario to Carlsbad.

Cheapest
ONT
23:07
19h 26m
1 transfer
CNM
19:33
Ontario International Airport - Cavern City Air Terminal
Mon, May 6Frontier Airlines
S$ 387
ONT
23:07
19h 26m
1 transfer
CNM
19:33
Ontario International Airport - Cavern City Air Terminal
Mon, May 6Frontier Airlines
S$ 387
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Ontario (ONT) to Carlsbad (CNM) the cheapest?
Airlines adjust prices for flights from Ontario to Carlsbad based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Ontario (ONT) to Carlsbad (CNM) cost?
According to Trip.com's data, the lowest price is around S$ 501.
How many airports in Carlsbad?
There are 1 airports near Carlsbad: Cavern City Air Terminal.

How to find a cheap flight from Ontario to Carlsbad

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Carlsbad. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com