Cheap Southwest Airlines flights San Diego (SAN) to Columbia (COU)

Scoring cheap one-way Southwest Airlines flights from SAN to COU on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our affordable return fares for your next getaway.**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.

Southwest Airlines flights to Columbia tend to be more affordable in the off-peak months of January and December. Whether you’re after a one-way or round-trip ticket, you could score a better deal then.

Look for affordable Southwest Airlines flights from San Diego Intl. Airport (SAN) to Columbia Regional Airport (COU) one to three months ahead of 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. No matter the fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

Simply enter your dates, press search and tick the “Nonstop” filter on Expedia to browse any direct flights from SAN to COU with Southwest Airlines or another carrier.

Search Southwest Airlines’s earliest flights from SAN to COU by using our “Early Morning” and “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.

Columbia Regional Airport (COU) is the primary Columbia hub for Southwest Airlines flights from San Diego Intl. Airport (SAN).

In most cases, you can reschedule or cancel your flight, although additional charges may apply if you made your booking more than 24 hours ago. Want to keep your options open? Apply the “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you need to adjust your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for further information.