$1,713+ Cheap flights from Ontario to Carlsbad, NM (ONT - CNM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CNM
Feb 20 — Feb 271
1 adult, Economy
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Find cheap flights from Ontario to Carlsbad with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Carlsbad
Cheapest flights from Ontario to CarlsbadExplore the most affordable flight options available from Ontario to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.
Explore the most affordable flight options available from Ontario to Carlsbad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.
This Expedia deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:56 pm
ONT
- CNM
3 stops19h 16m
Multiple Airlines
Sun 2/810:00 am
CNM
- ONT
2 stops14h 56m
Multiple Airlines
Deal found 1/20![Multiple Airlines logo]()
$1,713
Find flight deals from Ontario to Carlsbad
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Carlsbad (CNM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $1,713 (Expedia) |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Carlsbad that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Ontario to Carlsbad that are best for you.
Fly from
Ontario
Fly to
Carlsbad
Route
Depart
Return
Price
OntarioCarlsbad
ONT - CNM
ONTCNM
Ontario
Wed 2/4
7:56 pm-4:12 pm
3 stops19h 16m
Carlsbad Cavern City
Sun 2/8
10:00 am-11:56 pm
2 stops14h 56m
$1,713
Compare providers for flights from Ontario to Carlsbad
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Carlsbad in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Carlsbad, New Mexico flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Carlsbad, New Mexico flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Carlsbad, New Mexico flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Carlsbad, New Mexico flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Carlsbad, New Mexico flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Carlsbad
Have a flexible travel schedule? Discover the best time to fly to Carlsbad from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.