Cheap flights from Maryland to San Diego from $127

If you are unable to visit San Diego during the month of September, then departing from Maryland during the month August is also very affordable. Most momondo users find prices during this month for around $99.

The cheapest day to depart from Maryland to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $397. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $514. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $398. Flights at noon are often more expensive with an average ticket price of $617.

Fly from Baltimore/Washington to San Diego for the best Maryland - San Diego flight prices

You are more likely to see cheaper flights to San Diego from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $418 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Maryland for as low as $369 on momondo.

There is only 1 cabin class available to choose from on Maryland to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and Frontier are the most popular carriers operating from Maryland to San Diego

Southwest, United Airlines and American Airlines are the top three most popular airlines that fly to San Diego from Maryland according to our data. Southwest is the first choice among our users, with 69% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 7 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

As of July 2026, there are 15 flights per day flying from Maryland to San Diego. The most common time of day flights depart is 3:00PM, with 41% of flights taking off at noon.

As of July 2026, there are 111 flights per week flying from Maryland to San Diego. The most common day of the week flights depart is Tue, with 22% of flights taking off on this day.