Cheap Flights from Cincinnati (LUK) to San Diego (SAN)

Popular airlines from Cincinnati, OH (LUK-Cincinnati Municipal - Lunken Field) to San Diego Intl. Airport (SAN)

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Frequently asked questions

How much does a flight from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN) cost?
Get a cheap one-way flight or cheap return flight from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN)?
is the most affordable month to fly from LUK to SAN. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LUK to SAN flight.
How many flights per day from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN)?
There aren't any daily direct flights from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from LUK to SAN?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN)?
To arrive at San Diego Intl. Airport (SAN) on time, pick a flight that leaves Cincinnati Municipal - Lunken Field Airport (LUK) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN) last-minute?
Holding off until just before your trip to book a ticket from LUK to SAN generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of landing a bargain.
Is it cheaper to book a LUK to SAN flight and hotel package?
You can save money by booking a LUK to SAN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Cincinnati Municipal - Lunken Field Airport (LUK) to San Diego Intl. Airport (SAN)?
If you reserved your LUK to SAN flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Cincinnati Municipal - Lunken Field
Destination airport
San Diego Intl.
Distance
1874 mi

Book with confidence

Cincinnati to San Diego Flights

The cheapest times to fly from Cincinnati to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cincinnati to San Diego are during the month of . You can find some of the cheapest flights from Cincinnati to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cincinnati to San Diego

Sunday is one of the best days to book for cheap flights from Cincinnati to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cincinnati to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cincinnati to San Diego in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cincinnati to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cincinnati to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Cincinnati to San Diego Flights

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*Available to One Key members.