$69 Cheap Flights from San Diego (SAN) to Baltimore (BWI)

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Cheap flights from San Diego (SAN) to Baltimore (BWI)

Prices were available within the past 7 days and start at $69 for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Flight from San Diego to Baltimore (SAN - BWI) route information
Origin airport
San Diego Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$138
Distance
2290 mi

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 November. 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 2024. You can also book with separate airlines for your outbound and return journeys, from $69 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from SAN to BWI Marshall last minute?
Being the spontaneous type is a rewarding way to travel, but it’s not always the smartest method to score a cheap fare. It’s better to book your San Diego Airport to BWI Airport trip in advance instead of waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save up that spontaneity for when you arrive in BWI Airport!
What airports do you fly into for Baltimore from San Diego?
Baltimore Washington Intl. Thurgood Marshall Airport (BWI), Ronald Reagan Washington National Airport (DCA) and Washington Dulles Intl. Airport (IAD) are your options when traveling from San Diego to Baltimore. Approximately 8 mi southwest of the heart of Baltimore, Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is the city’s major gateway. Think about things like flight arrival and departure times and the distance to your hotel before choosing an airport. Oriole Park at Camden Yards and M&T Bank Stadium are a couple of amazing attractions to check out when you arrive.
Can I change the date of my flight from San Diego Intl. Airport (SAN) to BWI Airport?
You can make changes to your San Diego Airport to BWI Marshall ticket through the Expedia Trips portal. But before doing so, review the conditions in your itinerary to see what you’re allowed to do and what charges may apply. Some airlines have a change fee per person, on top of any difference in fares. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also check out our Customer Service portal for more advice and to connect with our Virtual Agent.
San Diego nearby Airports
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