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

Popular airlines from Baltimore Washington Intl. Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal)

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 $458
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $458
Select flight to General Abelardo L. Rodriguez Intl. TIJ. Average driving time to city center is 26 minutes. Flights from $680
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $680

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal) cost?
Lock in a cheap one-way flight or cheap return flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal)?
is the most affordable month to fly from BWI to SDM. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from BWI to SDM. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal)?
There are no daily direct flights available from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BWI to SDM?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, airline and other factors.*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 (SDM-Brown Field Municipal)?
To avoid possible delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal) route, aim to travel before 3 PM. Later departures 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)?
San Diego Intl. Airport (SAN) is the only airport in San Diego County with direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Consider the options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal) last-minute?
Booking your flight from BWI to SDM right before your getaway is generally more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a BWI to SDM flight and hotel package?
You'll typically save money by booking a BWI to SDM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, CA (SDM-Brown Field Municipal)?
If you booked your BWI to SDM flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Brown Field Municipal
Distance
2283 mi

Book with confidence

Book with confidence

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.

 

Baltimore to San Diego Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.