San Diego

$64+ Cheap flights from Baltimore to San Diego (BWI - SAN)

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAN
Mar 4 — Mar 111
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The best prices from Baltimore/Washington to San Diego are usually found in August or July, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Baltimore to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to San Diego (SAN). 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 February 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(Cheapflightsfares)

One-way from

$64
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$449
Provider with most accurate pricing for Baltimore/Washington-San Diego flight deals.
Provider most trusted by Cheapflights users for Baltimore/Washington-San Diego flights.
From Baltimore/Washington to San Diego
One-way flight from Baltimore/Washington to San Diego
Highest demand for flights based on searches. 17% potential increase in price ($82 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from Baltimore to San Diego

Cheapest flights from Baltimore to San Diego
Explore the most affordable flight options available from Baltimore to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 27, 2025.

This Mytrip deal was found by Cheapflights users on 2/26. 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 3/206:30 amBWI - SAN
2 stops15h 41mSpirit Airlines
Mon 3/245:30 pmSAN - BWI
3 stops27h 42mSpirit Airlines
Deal found 2/26$246
This CheapOair deal was found by Cheapflights users on 2/27. 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.
Mon 3/1012:30 pmBWI - SAN
1 stop14h 50mMultiple Airlines
Fri 3/148:14 pmSAN - BWI
1 stop6h 36mMultiple Airlines
Deal found 2/27$261
This Delta deal was found by Cheapflights users on 2/26. 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.
Wed 5/146:15 pmBWI - SAN
1 stop8h 31mDelta
Tue 5/207:18 pmSAN - BWI
1 stop7h 45mDelta
Deal found 2/26$307
This Southwest deal was found by Cheapflights users on 2/27. 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.
Fri 3/287:15 pmBWI - SAN
Nonstop5h 50mSouthwest
Tue 4/19:35 pmSAN - BWI
Nonstop4h 45mSouthwest
Deal found 2/27$337
This American Airlines deal was found by Cheapflights users on 2/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/145:00 amBWI - SAN
1 stop7h 27mAmerican Airlines
Mon 3/1712:48 pmSAN - BWI
1 stop7h 10mAmerican Airlines
Deal found 2/27$393

Find flights from Baltimore to San Diego within your budget

Customize your flight search to find flights from Baltimore to San Diego 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 February 27, 2025.

Fly from

Baltimore

Fly to

San Diego

Route

Depart

Return

Price

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 3/20

6:30 am-7:11 pm

2 stops15h 41m

San Diego

Mon 3/24

5:30 pm-12:12 am

3 stops27h 42m

$246

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Mon 3/10

12:30 pm-12:20 am

1 stop14h 50m

San Diego

Fri 3/14

8:14 pm-5:50 am

1 stop6h 36m

$261

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 3/13

9:42 pm-9:29 am

1 stop14h 47m

San Diego

Mon 3/31

8:34 am-7:47 pm

1 stop8h 13m

$299

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Wed 5/14

6:15 pm-11:46 pm

1 stop8h 31m

San Diego

Tue 5/20

7:18 pm-6:03 am

1 stop7h 45m

$307

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Fri 3/28

7:15 pm-10:05 pm

Nonstop5h 50m

San Diego

Sat 4/5

9:35 pm-5:20 am

Nonstop4h 45m

$337

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Fri 3/14

5:00 am-9:27 am

1 stop7h 27m

San Diego

Mon 3/17

12:48 pm-10:58 pm

1 stop7h 10m

$393

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Tue 3/25

6:00 am-2:34 pm

1 stop11h 34m

$64

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Mon 3/31

12:30 pm-12:20 am

1 stop14h 50m

$95

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Tue 4/29

7:06 am-4:30 pm

1 stop12h 24m

$153

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 4/3

5:00 am-9:27 am

1 stop7h 27m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 14 results
1
2

Compare providers for flights from Baltimore to San Diego

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 Baltimore to San Diego in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
FareScanPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 Baltimore-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-San Diego 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 Baltimore-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Baltimore to San Diego flights

Find out what our experts recommend to make the most of your Baltimore to San Diego trip
Airports
BWI

For long-term parking, BWI offers budget-friendly lots with shuttle service. Allow extra time for shuttle transit to the terminal.

Read more about BWIby Emily Zemler
SAN

For a wallet-friendly option, take the free San Diego Flyer shuttle between SAN and Old Town Transit Center.

Read more about SANby Blane Bachelor
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

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.

Best time to book a flight from Baltimore to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Baltimore 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.

Travel insights for flights from Baltimore to San Diego

Get recent, data-driven insights about flights from Baltimore to San Diego including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to San Diego. Price data was last updated on February 25, 2025.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Baltimore to San Diego (average of $286). Flying from Baltimore to San Diego in March is currently the most expensive (average of $366). 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 BWI to SAN?

Find hourly flight availability from Baltimore to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 27, 2025.

It’s typically best to fly out from Baltimore to San Diego in the morning. Doing so could potentially save you 68% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Baltimore to San Diego. Price data was last updated on February 23, 2025.

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

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated February 27, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Baltimore to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Comfort

8.1

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.

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Comfort

8.1

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.

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Comfort

8.1

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

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Comfort

8.1

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.

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Comfort

8.1

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.

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Comfort

8.1

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 Baltimore to San Diego. 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 Baltimore to San Diego?

    Booking a flight from Baltimore/Washington (BWI) to San Diego (SAN) is your only option if you wish to fly from Baltimore to San Diego. On a typical day, there is 1 flight from Baltimore/Washington to San Diego, all of which are around 5h 20m for a nonstop flight. You can also purchase a plane ticket from 7 airlines when you book a flight from Baltimore/Washington to San Diego.

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

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

    Our cheapest airline available from Baltimore to San Diego is Spirit Airlines. Our recent data shows that you can find tickets from as low as $245 on this airline. Additional options worth looking into are Delta and Southwest, starting at $307 and $337 round-trip. You may be able to fly from Baltimore to San Diego for 37% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $64. Frontier flights start at $95 while deals on Alaska Airlines start at $153 one-way.

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

    Looking at all options, your cheapest flight can be booked for $185. While the most popular route (Baltimore/Washington - San Diego) can be booked for $147 on average our data indicates $390 when flying from Baltimore to San Diego.

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

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

    Charlotte travelers tend to visit Carowind, Mint Museum Uptown, and North Carolina Blumenthal Performing Arts Center more than anywhere else. Travelers on a layover in Charlotte can visit Carowind, Mint Museum Uptown, and North Carolina Blumenthal Performing Arts Center, by traveling 8.2 mi, 5.4 mi, and 5.8 mi, respectively after landing at Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $44 per day.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore to San Diego 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 Baltimore to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Baltimore to San Diego (average of $286). Flying from Baltimore to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Baltimore to San Diego

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

Top 7 airlines flying from Baltimore to San Diego

Discover the top 7 airlines that operate flights from Baltimore to San Diego. 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 February 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$191FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$238FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$198Average$347FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$257Average$462FlexibilityNo cancel feeOn-time69%
DeltaCheapest$265Average$415FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$444FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$371Average$558FlexibilityNo cancel feeOn-time63%
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