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

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

Frequently asked questions

How much does a flight from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Lock in a cheap one-way flight or cheap return flight from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
is the most affordable month to fly from SDM to BWI. Planning your trip for the off-season is often the key to landing a great deal.
Which airlines fly direct from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
There aren't any direct flights from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). However, you'll find other airports offering nonstop flights. Hop on your plane at San Diego Intl. Airport (SAN) and travel straight to Baltimore without any detours.
What is the cheapest airline that flies from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SDM to BWI flight.
How many flights per day from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
There aren't any daily direct flights departing from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from SDM to BWI?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, 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 San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid potential delays on the San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, fly before 3 PM. Departures after this time 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.
Is it cheaper to buy a plane ticket from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Booking your plane ticket from SDM to BWI just before your trip is generally more expensive. But if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SDM to BWI flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDM to BWI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Just pick your flights and select from our wide range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from San Diego, CA (SDM-Brown Field Municipal) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you reserved your SDM to BWI flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

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

Book with confidence

San Diego to Baltimore Flights

The cheapest times to fly from San Diego to Baltimore

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

 

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

Sunday is one of the best days to book for cheap flights from San Diego to Baltimore: 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 San Diego to Baltimore

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 San Diego to Baltimore 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 San Diego to Baltimore 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 San Diego to Baltimore 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.

 

San Diego to Baltimore Flights

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*Available to One Key members.