- Cheapest fare
- $414
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 56m
American Airlines · Fri, Nov 13
from $414
Usually 1+ stop
1,260 km
Get a price alert
We'll email you when Ontario → Carlsbad drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $414. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Ontario to Carlsbad
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Plan the rest of your trip to Carlsbad
Where to stay, what to do and getting around, from our travel partners.
About flights from Ontario to Carlsbad
Ontario (ONT) and Carlsbad (CNM) are about 1,260 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 56m. Over the next few months, one-way fares start from $414, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Ontario to Carlsbad?
The cheapest one-way fare we've seen recently is $414 with American Airlines, departing Friday, November 13, 2026.
What is the cheapest month to fly from Ontario to Carlsbad?
November 2026 currently has the lowest fares, from $414 one way.
Are there direct flights from Ontario to Carlsbad?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Ontario to Carlsbad?
The quickest journey we've seen takes about 3h 56m. Ontario and Carlsbad are around 1,260 km apart.
Which airlines fly from Ontario to Carlsbad?
Recent fares on this route were with American Airlines.
More cheap flights from Ontario
- Ontario to San Franciscofrom $24
- Ontario to Las Vegasfrom $52
- Ontario to Dallasfrom $104
- Ontario to Orlandofrom $114
- Ontario to Chicagofrom $103
- Ontario to Manilafrom $456
- Ontario to Lake Charlesfrom $504
- Ontario to Denverfrom $180
- Ontario to Seattlefrom $135
- Ontario to Cancunfrom $254
- Ontario to Phoenixfrom $57
- Ontario to New Orleansfrom $153