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$95+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$241
(Cheapflightsfares)

One-way from

$95
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$392
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. 17% potential increase in price ($78 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 June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/183:10 pmSAN - BWI
1 stop12h 29mSpirit Airlines
Mon 9/228:00 amBWI - SAN
1 stop9h 11mSpirit Airlines
Deal found 6/11$241
This FlightHub deal was found by Cheapflights users on 6/12. 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 8/288:26 pmSAN - BWI
1 stop18h 15mFrontier
Mon 9/16:27 pmBWI - SAN
1 stop8h 25mFrontier
Deal found 6/12$305
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/38:08 amSAN - BWI
2 stops24h 39mMultiple Airlines
Mon 7/79:51 pmBWI - SAN
3 stops39h 04mMultiple Airlines
Deal found 6/11$306
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:33 amSAN - BWI
2 stops18h 00mAlaska Airlines
Sat 9/207:22 pmBWI - SAN
2 stops17h 30mAlaska Airlines
Deal found 6/10$373

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 June 12, 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

Thu 9/18

3:10 pm-6:39 am

1 stop12h 29m

Baltimore/Washington

Mon 9/22

8:00 am-2:11 pm

1 stop9h 11m

$241

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 8/28

8:26 pm-5:41 pm

1 stop18h 15m

Baltimore/Washington

Mon 9/1

6:27 pm-11:52 pm

1 stop8h 25m

$305

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 7/3

8:08 am-11:47 am

2 stops24h 39m

Baltimore/Washington

Mon 7/7

9:51 pm-9:55 am

3 stops39h 04m

$306

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 9/16

8:33 am-5:33 am

2 stops18h 00m

Baltimore/Washington

Sat 9/20

7:22 pm-9:52 am

2 stops17h 30m

$373

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 7/9

3:57 pm-3:25 pm

2 stops20h 28m

$95

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 7/3

8:08 am-11:47 am

2 stops24h 39m

$158

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Mon 6/30

6:25 am-7:51 pm

1 stop10h 26m

$180

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 10/2

9:10 pm-5:15 am

Nonstop5h 05m

$199

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 7/8

10:30 pm-10:46 am

1 stop9h 16m

$204

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Sat 8/16

12:23 pm-12:33 am

2 stops9h 10m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
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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 9, 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 June 12, 2025.

It’s optimal to fly from San Diego to Baltimore at noon. By choosing this option you can save up to 25% 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 8, 2025.

Travelers seeking maximum savings on their San Diego to Baltimore flight should consider departing on Friday at noon 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 June 12, 2025.

The most flights from SAN to BWI are scheduled on a Tuesday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Baltimore by month

Plan your trip to Baltimore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Baltimore ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

Plan your trip to Baltimore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Baltimore, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Diego to Baltimore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 4 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, 13 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 $241, 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. Search Cheapflights for deals from Frontier and Alaska Airlines - these airlines can fly you to your destination from $305 and $373, respectively. Users have found that Spirit Airlines is 36% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Diego to Baltimore one-way?

    The cheapest airlines for a one-way flight from San Diego to Baltimore are Spirit Airlines ($95), Frontier ($180), and Southwest ($199).

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

    Looking at all options, your cheapest flight can be booked for $163. While the most popular route (San Diego - Baltimore/Washington) can be booked for $217 on average our data indicates $361 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 $48 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$117Average$237FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$143Average$256FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$157Average$395FlexibilityNo 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$360Average$493FlexibilityNo cancel feeOn-time63%

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