$112 Cheap Flights from Cincinnati (CVG) to San Diego (SAN)

Cincinnati (CVG) to San Diego (SAN) at a glance

Travel from Cincinnati (CVG) to San Diego (SAN) with a range of airlines offering convenient domestic flights. Whether you’re seeking cheap flights from Cincinnati or prefer full-service options, you can compare various itineraries to find one that suits your budget and schedule. As you plan your adventure to explore the iconic sights and neighborhoods of San Diego, check out the key details for flights from Cincinnati - Northern Kentucky International Airport (CVG) to San Diego International Airport (SAN).

• Fastest flight duration: around 4h 45m non-stop
• Route distance: roughly 1,900 miles (3,060 km)
• Flights per week: around 20+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $100–$445, depending on seasonality and how far ahead you book

Flights from Cincinnati - Northern Kentucky International Airport (CVG) to San Diego International Airport (SAN)

Based on the latest traveler bookings, here are the top airlines favored by passengers flying from Cincinnati to San Diego, particularly for non-stop and one-stop flights. Popular layover options include Dallas-Fort Worth International Airport (DFW) with about a 1-hour layover, O'Hare International Airport (ORD) at approximately 1 hour and 15 minutes, and Denver International Airport (DEN), also around 1 hour and 15 minutes. These choices allow you to balance price, total travel time, and cabin class to create the best travel itinerary.

• American Airlines: This full-service airline provides one-stop flights, with one-way ticket prices generally between $135 and $510. It represents about 34% of the departures on this route, featuring a flight duration of 6 hours and an overall travel time of approximately 7 hours and 15 minutes, including layover.
• Delta: As another full-service option with one-stop services, Delta's one-way fares usually range from $130 to $505. It accounts for around 25% of flights on this route, maintaining a flight time of 6 hours and a total journey time of about 7 hours and 15 minutes, factoring in the layover.
• Frontier Airlines: This low-cost airline offers one-stop services, with one-way fares typically falling between $100 and $235. It represents roughly 14% of departures on this route, with a flight time of 6 hours and an estimated total travel duration of 7 hours and 15 minutes, including layover.
• United: Another full-service carrier providing one-stop options, United's one-way fares generally range from $165 to $515. It makes up approximately 14% of departures for this route, featuring a flight duration of 6 hours and a total travel time of around 7 hours and 15 minutes, including layover.
• Breeze: A low-cost option offering non-stop flights, Breeze features one-way fares typically priced between $100 and $290. It accounts for about 4% of the departures on this route, with a total journey time of 4 hours and 45 minutes.

Travelers have the option to enhance their journey from Cincinnati to San Diego with upgraded flight choices. Leading airlines include Delta, which provides both first class and premium economy cabins; American Airlines, featuring first class; and United, also offering first class service.

Best time to fly from Cincinnati (CVG) to San Diego (SAN)

The most popular months for travelers flying from Cincinnati to San Diego are March, April, and July, when peak temperatures in San Diego reach up to 70.5°F in July. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 72.3°F and typically the lowest average one-way fare (around $204). Flight availability peaks in June and July, with approximately 24 flights per week, making it easier to find convenient departure times. November has the fewest flights, with approximately 17 flights per week.

• Cheapest time to fly: August usually offers good deals with average one-way fare around $204, roughly 15% cheaper than the yearly average.
• Another budget-friendly time to fly: May typically offers an average one-way fare of around $211.
• Most flight options: June and July have the highest number of flights from Cincinnati to San Diego, with approximately 24 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Cincinnati (CVG) to San Diego (SAN)

• Cincinnati to Carlsbad (CVG-CLD): McClellan-Palomar Airport (CLD) is located approximately 28 miles from San Diego International Airport (SAN). One-way economy ticket prices on this route generally fall between $180 and $495, influenced by the time of year and how early you book. Typically, flights on this route involve one stop, with notable layover locations at Sky Harbor International Airport (PHX) and Denver International Airport (DEN). The main airlines operating on this route are American Airlines and United. Additionally, first class service is offered on this route.

How to find the best prices for flights from Cincinnati (CVG) to San Diego (SAN)

Getting some of the best deals on flights from Cincinnati to San Diego is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures (6 PM-12 AM) often offer lower prices, although morning flights (5 AM-12 PM) are more popular. Additionally, flying on Tuesday usually provides cheaper rates, while Thursday remains the most sought-after travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find San Diego hotel and flight deals.
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at San Diego International Airport from Cincinnati - Northern Kentucky International Airport

San Diego welcomes travelers from Cincinnati with a range of transport options based on price, convenience, and proximity. For departures, Cincinnati - Northern Kentucky International Airport is roughly a 20-minute drive (covering about 13 miles) from central Cincinnati. Here's how to reach San Diego efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in San Diego, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from San Diego International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at San Diego International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From San Diego International Airport, Seaport, a seaport, is located just 0.1 miles away on foot, while B Street Cruise Ship Terminal, a cruise terminal, is about 3 miles away by car. For metro connections, Middletown Station, a metro station, is approximately 2.3 miles from the airport and is best accessed by car.

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 December. 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 $112 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.