$100 Cheap Flights from Columbus (CMH) to San Diego (SAN)

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Find available prices by choosing your travel dates.

Cheap Flights from Columbus to San Diego (CMH-SAN)

Prices were available within the past 7 days and start at $100 for one-way flights and $183 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Spirit Airlines
American Airlines
Alaska Airlines
Delta
Flights from Columbus (CMH) to San Diego (SAN)
Origin airport
John Glenn Columbus Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$183
Distance
1960 mi

Columbus to San Diego Flights

The cheapest times to fly from Columbus 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 Columbus to San Diego are during the month of May. You can find some of the cheapest flights from Columbus to San Diego with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Columbus 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 Columbus 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 Columbus to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Columbus 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 Columbus 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.

Frequently asked questions

How much does a flight from John Glenn Columbus Intl. Airport (CMH) to San Diego Intl. Airport (SAN) cost?
Discover the latest flight deals from CMH to SAN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CMH to SAN?
The cheapest flights from CMH to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CMH to SAN?
Take off from CMH to SAN with Southwest Airlines. This airline currently offers the cheapest one-way fare for this route, starting at $192. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CMH on June 14 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from John Glenn Columbus Intl. Airport (CMH) to San Diego Intl. Airport (SAN)?
There aren’t any daily direct flights from John Glenn Columbus Intl. Airport (CMH) to San Diego Intl. Airport (SAN). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be soaring above the clouds in no time.
What day of the week has the most flights from CMH to SAN?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from John Glenn Columbus Intl. Airport (CMH) to San Diego Intl. Airport (SAN)?
To touch down at San Diego Intl. Airport (SAN) on schedule, select a flight that leaves from John Glenn Columbus Intl. Airport (CMH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 John Glenn Columbus Intl. Airport (CMH) to San Diego Intl. Airport (SAN) last-minute?
Holding off until just before your departure to book a ticket from CMH to SAN generally means paying more. While you may come across some last-minute deals, there’s no guarantee. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a CMH to SAN flight and hotel package?
You’ll generally save money by booking a CMH to SAN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. Once you’ve selected your ideal flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from John Glenn Columbus Intl. Airport (CMH) to San Diego Intl. Airport (SAN)?
If you booked your CMH to SAN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you’d like more information.

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