Baltimore

$88+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
Mar 25 — Apr 11
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Cheapflights Tip: The best prices from San Diego to Baltimore/Washington are usually found in August or July, booked 55 days in advance, depart on a Tuesday or Thursday 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 March 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$186
(Cheapflightsfares)

One-way from

$88
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$402
Provider with most accurate pricing for San Diego-Baltimore/Washington flight deals.
Provider most trusted by Cheapflights users for San Diego-Baltimore/Washington flights.
From San Diego to Baltimore/Washington
One-way flight from San Diego to Baltimore/Washington
Highest demand for flights based on searches. 19% potential increase in price ($88 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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.
Tue 4/156:15 amSAN - BWI
1 stop11h 12mSpirit Airlines
Thu 4/179:39 pmBWI - SAN
1 stop12h 55mSpirit Airlines
Deal found 3/20$186
This Booking.com deal was found by Cheapflights users on 3/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/175:59 pmSAN - BWI
1 stop13h 04mMultiple Airlines
Thu 4/249:39 pmBWI - SAN
1 stop12h 55mMultiple Airlines
Deal found 3/20$263
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 5/226:05 pmSAN - BWI
1 stop14h 25mSun Country Air
Mon 5/2612:26 pmBWI - SAN
1 stop7h 37mSun Country Air
Deal found 3/20$280
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:30 amSAN - BWI
Nonstop5h 05mSouthwest
Wed 4/304:00 pmBWI - SAN
1 stop9h 00mSouthwest
Deal found 3/20$287
This United Airlines deal was found by Cheapflights users on 3/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:13 pmSAN - BWI
1 stop7h 37mUnited Airlines
Wed 4/306:34 pmBWI - SAN
1 stop8h 44mUnited Airlines
Deal found 3/20$297
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:21 pmSAN - BWI
1 stop21h 07mFrontier
Thu 4/312:05 pmBWI - SAN
1 stop14h 42mFrontier
Deal found 3/20$340
This Delta deal was found by Cheapflights users on 3/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/97:15 pmSAN - BWI
1 stop7h 51mDelta
Tue 6/246:15 pmBWI - SAN
1 stop7h 58mDelta
Deal found 3/19$344

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 March 20, 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 4/15

6:15 am-8:27 pm

1 stop11h 12m

Baltimore/Washington

Thu 4/17

9:39 pm-10:25 am

1 stop15h 46m

$186

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 4/17

5:59 pm-10:03 am

1 stop13h 04m

Baltimore/Washington

Thu 4/24

9:39 pm-7:34 am

1 stop12h 55m

$263

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 5/22

6:05 pm-11:30 am

1 stop14h 25m

Baltimore/Washington

Mon 5/26

12:26 pm-5:03 pm

1 stop7h 37m

$280

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 4/29

6:30 am-2:35 pm

Nonstop5h 05m

Baltimore/Washington

Wed 4/30

4:00 pm-10:00 pm

1 stop9h 00m

$287

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 4/29

12:13 pm-10:50 pm

1 stop7h 37m

Baltimore/Washington

Wed 4/30

6:34 pm-12:18 am

1 stop8h 44m

$297

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 4/24

11:51 am-11:22 pm

1 stop8h 31m

Baltimore/Washington

Sat 4/26

7:05 am-12:25 pm

1 stop8h 20m

$322

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Mon 3/31

8:34 am-7:47 pm

1 stop8h 13m

Baltimore/Washington

Thu 4/3

12:05 pm-11:47 pm

1 stop14h 42m

$338

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 4/10

8:29 am-8:27 pm

1 stop8h 58m

$88

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 4/10

9:20 pm-5:20 am

Nonstop5h 00m

$139

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 4/17

5:59 pm-10:03 am

1 stop13h 04m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 15 results
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Compare providers for flights from San Diego to Baltimore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Baltimore in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 early due to potential traffic congestion near the airport.

Read more about SANby Blane Bachelor
BWI

Use the MTA Light Rail for a quick trip to downtown Baltimore from BWI.

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 March 14, 2025.

The best time to book flights from San Diego to Baltimore is 55 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 March 20, 2025.

It’s optimal to fly from San Diego to Baltimore at noon. By choosing this option you can save up to 59% 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 March 16, 2025.

Travelers seeking maximum savings on their San Diego to Baltimore flight should consider departing on Tuesday 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 March 20, 2025.

The most flights from SAN to BWI are scheduled on a Monday (3 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 March 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines 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.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
8.0
Very good

Entertainment

7.6

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 2 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 45m.

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

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

    Currently priced at $186, 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 Sun Country Air and Southwest - these airlines can fly you to your destination from $280 and $287, respectively. Users have found that Spirit Airlines is 49% 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 ($88), Southwest ($139), and Sun Country Air ($140).

  • 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 $175 on average our data indicates $357 when flying from San Diego to Baltimore.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.

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 March 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$190FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$144Average$253FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$172Average$411FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$252Average$474FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$267Average$426FlexibilityNo cancel feeOn-time75%
DeltaCheapest$276Average$400FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$372Average$522FlexibilityNo cancel feeOn-time63%
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