$159 Cheap Delta flights Cincinnati (CVG) to Ontario (ONT)

View $159 flight on Tue, Aug 19, 2025Opens in a new window

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$159 Cheap Delta flights Cincinnati (CVG) to Ontario (ONT)

Prices were available within the past 7 days and start at $159 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 19 - Tue, Aug 26
CVG
Cincinnati
ONT
Ontario
$317 Roundtrip, found 6 hours ago
$317
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Aug 19 from Cincinnati to Ontario, returning Tue, Aug 26, priced at $317 found 6 hours ago
Flights from Cincinnati (CVG) to Ontario (ONT)
Origin airport
Cincinnati - Northern Kentucky Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
American Airlines
Distance
1849 mi

Frequently asked questions

How much is a Delta Air Lines flight from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT)?
Scoring cheap one-way Delta Air Lines flights from CVG to ONT from $159 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $317 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from CVG to ONT with Delta Air Lines?
January is one of the cheapest months to jet off to Ontario with Delta Air Lines. You could also find fantastic deals on one-way and round-trip fares in April.
What is the cheapest time to book flights from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT) with Delta Air Lines?
Look for cheap Delta Air Lines flights from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT)?
Use the "Nonstop" filter when looking for direct Delta Air Lines flights from CVG to ONT. It's also a good way to compare other carriers offering the same direct route.
What is the earliest Delta Air Lines flight from CVG to ONT?
Search Delta Air Lines's earliest flights from CVG to ONT by checking the "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Ontario?
Los Angeles - Ontario Intl. Airport (ONT) is the primary Ontario hub for Delta Air Lines flights from Cincinnati - Northern Kentucky Intl. Airport (CVG).
Why fly with Delta Air Lines from CVG to ONT?
Delta Air Lines makes traveling from CVG to ONT enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Delta SkyMiles. Be sure to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Cincinnati - Northern Kentucky Intl. Airport (CVG) to Los Angeles - Ontario Intl. Airport (ONT)?
Depending on your ticket type, a fee generally applies if you modify or cancel your flight more than 24 hours after it's been confirmed. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when looking for flights. For more information on modifying or canceling your reservation, head to "Trips," select your flight and tick "Manage Booking."

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