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$69+ Cheap flights from San Diego to Baltimore (SAN - BWI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Baltimore/Washington are usually found in August or July, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from San Diego to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$233
(Cheapflightsfares)

One-way from

$69
(Priceline)

Popular in

December

Cheapest in

August

Average price

$276
From San Diego to Baltimore/Washington
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One-way flight from San Diego to Baltimore/Washington
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Highest demand for flights based on searches. 16% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from San Diego to Baltimore

Cheapest flights from San Diego to Baltimore
Explore the most affordable flight options available from San Diego to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:16 amSAN - BWI
2 stops9h 46mSpirit Airlines
Mon 9/291:59 pmBWI - SAN
2 stops12h 46mSpirit Airlines
Deal found 7/2$234
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/158:00 amSAN - BWI
1 stop8h 11mMultiple Airlines
Wed 7/236:15 pmBWI - SAN
1 stop7h 51mMultiple Airlines
Deal found 7/2$236

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Baltimore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from San Diego to Baltimore that are best for you.

Fly from

San Diego

Fly to

Baltimore

Route

Depart

Return

Price

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 7/22

3:57 pm-6:05 am

1 stop11h 08m

Baltimore/Washington

Tue 7/29

6:15 pm-11:06 pm

1 stop7h 51m

$233

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 7/15

8:00 am-7:11 pm

1 stop8h 11m

Baltimore/Washington

Wed 7/23

6:15 pm-11:06 pm

1 stop7h 51m

$236

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Fri 7/18

9:30 pm-11:26 am

2 stops10h 56m

Baltimore/Washington

Tue 7/22

7:20 am-6:19 pm

2 stops13h 59m

$281

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Mon 8/18

6:25 am-4:31 pm

1 stop7h 06m

$69

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 7/23

7:00 pm-6:05 am

1 stop8h 05m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

The best insider tips for San Diego to Baltimore flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Baltimore trip
Airports
SAN

Plan to arrive at SAN at least two hours before your flight to avoid stress from potential traffic congestion near the airport.

Read more about SANby Blane Bachelor
BWI

Use the MTA Light Rail for a quick and easy trip from BWI to downtown Baltimore, or take Amtrak for travel to Washington, D.C.

Read more about BWIby Emily Zemler
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Emily Zemler

Emily Zemler

Expert on BWI

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from San Diego to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Baltimore

How far ahead should I book a flight from San Diego to Baltimore?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Baltimore. Price data was last updated on June 27, 2025.

The best time to book flights from San Diego to Baltimore is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Diego to Baltimore?

Currently, August is the cheapest month in which you can book a flight from San Diego to Baltimore (average of $241). Flying from San Diego to Baltimore in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to BWI?

Find hourly flight availability from San Diego to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s optimal to fly from San Diego to Baltimore in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from San Diego to Baltimore?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Baltimore. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their San Diego to Baltimore flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Diego to Baltimore

Explore weekly flight availability from San Diego to Baltimore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from SAN to BWI are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baltimore. Reviews last updated July 3, 2025.
See what other customers who have flown with Spirit Airlines and Frontier from San Diego to Baltimore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Spirit Airlines
6.3
Okay
8,094 reviews

Entertainment

5.0

Overall

6.3

Comfort

5.9

Crew

7.1

Boarding

6.6

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.
Spirit Airlines
6.3
Okay
8,094 reviews
Spirit Airlines
6.3
Okay
8,094 reviews

Entertainment

5.0

Overall

6.3

Comfort

5.9

Crew

7.1

Boarding

6.6

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.
Frontier
5.9
Fair
3,284 reviews
Spirit Airlines
6.3
Okay
8,094 reviews

Entertainment

5.0

Overall

6.3

Comfort

5.9

Crew

7.1

Boarding

6.6

Food

5.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

MCO - CHA

After multiple gate changes and delay after delay, my flight scheduled for 2:34 pm finally took off at 7:30 pm. Gate agents did not communicate well with the people. You had to keep your phone in hand at all times for electronic updates. Crew on board seemed rushed and not so pleasant.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from San Diego to Baltimore?

    You will need to book a flight from San Diego to Baltimore/Washington if you want to fly from San Diego to Baltimore. At least 7 different airlines have flights from San Diego (SAN) to Baltimore/Washington (BWI) on a regular basis. There are 3 flights to Baltimore from the San Diego airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAN to BWI to be around 4h 50m.

  • How popular is this San Diego to Baltimore flight route?

    Within the past month, 17 users have taken a look at flights from San Diego to Baltimore/Washington.

  • What are the cheapest airlines flying from San Diego to Baltimore round-trip?

    Currently priced at $233, Spirit Airlines will fly you from San Diego to Baltimore and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $281. Users have found that Spirit Airlines is 38% cheaper than the other options available to this destination.

  • What are the cheapest flights from San Diego to Baltimore?

    Looking at all options, your cheapest flight can be booked for $104. While the most popular route (San Diego - Baltimore/Washington) can be booked for $169 on average our data indicates $370 when flying from San Diego to Baltimore.

  • Where are the most common layover locations when flying from San Diego to Baltimore?

    San Diego to Baltimore flights have a layover in Charlotte most often.

  • What are some popular things to do or see while on a layover in Charlotte?

    If you're on a layover in Charlotte and looking for things to do, consider visiting Carowind, Mint Museum Uptown, or NASCAR Hall of Fame. Travelers on a layover in Charlotte can visit Carowind, Mint Museum Uptown, and NASCAR Hall of Fame, by traveling 8.2 mi, 5.4 mi, and 5.7 mi, respectively after landing at Charlotte Douglas. Travelers can rent a car at Charlotte Douglas for an average daily rate of $43 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for San Diego to Baltimore flights?

    San Diego to Baltimore flights have a layover in Las Vegas the least frequently.

  • Can I find deals for flights from San Diego to Baltimore that include hotel bookings?

    Yes. In addition to deals on San Diego to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Baltimore.

  • Can I find deals for business class flights from San Diego to Baltimore?

    Yes. Cheapflights offers flight deals from San Diego to Baltimore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from San Diego to Baltimore (average of $241). Flying from San Diego to Baltimore in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 7 airlines flying from San Diego to Baltimore

Discover the top 7 airlines that operate flights from San Diego to Baltimore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$264FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$143Average$265FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$157Average$398FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$237Average$356FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$237Average$450FlexibilityNo cancel feeOn-time69%
DeltaCheapest$276Average$404FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$361Average$497FlexibilityNo cancel feeOn-time63%

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