Cheap Flights from Baltimore (BWI) to San Diego (SEE)

Popular airlines from Baltimore Washington Intl. Airport (BWI) to San Diego, CA (SEE-Gillespie Field)

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $208
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $208
Select flight to General Abelardo L. Rodriguez Intl. TIJ. Average driving time to city center is 26 minutes. Flights from $646
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $646
Flights from Baltimore (BWI) to San Diego (SEE)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Gillespie Field
Distance
2276 mi

Baltimore to San Diego Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to San Diego in 2025. 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 Baltimore 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 Baltimore 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SEE-Gillespie Field) cost?
Discover the latest flight deals from BWI to SEE 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 BWI to SEE?
The cheapest flights from BWI to SEE 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 BWI to SEE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BWI to SEE. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SEE-Gillespie Field)?
You'll have to hop on a flight with a layover when traveling from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SEE-Gillespie Field). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from BWI to SEE?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SEE-Gillespie Field)?
To avoid possible delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SEE-Gillespie Field) route, travel before 3 PM. Later flights have a 22% higher chance of being canceled.**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.
What airports do you fly into for San Diego County from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Explore your flight options from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego Intl. Airport (SAN). This is the only San Diego County airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SEE-Gillespie Field) last-minute?
Booking your flight from BWI to SEE just before your getaway is usually more expensive. But if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a BWI to SEE flight and hotel package?
You'll typically save money by securing a BWI to SEE 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 everything in one place. Once you've chosen your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SEE-Gillespie Field)?
If you reserved your BWI to SEE flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.