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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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
dic. 10 — dic. 171
mié. 12/10
mié. 12/17
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from San Diego to Baltimore/Washington are usually found in August or January, booked 32 days in advance, depart on a Wednesday or Tuesday 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 noviembre 10, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$250
(Kiwi.com)

One-way from

$69
(Priceline)

Popular in

December

Cheapest in

August

Average price

$467
Provider with most accurate pricing for San Diego-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for San Diego-Baltimore/Washington flights.
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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. 7% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 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 noviembre 10, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
mar. 12/236:25 amSAN - BWI
1 stop7h 47mMultiple Airlines
mar. 12/308:50 pmBWI - SAN
2 stops30h 09mMultiple Airlines
Deal found 11/8$250
This Southwest deal was found by Cheapflights users on 11/7. 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.
mar. 12/98:00 amSAN - BWI
1 stop8h 45mSouthwest
sáb. 12/131:50 pmBWI - SAN
1 stop7h 05mSouthwest
Deal found 11/7$252
This Southwest deal was found by Cheapflights users on 11/8. 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.
sáb. 12/67:00 amSAN - BWI
Nonstop4h 55mSouthwest
sáb. 12/131:50 pmBWI - SAN
1 stop7h 05mSouthwest
Deal found 11/8$253
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
dom. 12/76:25 amSAN - BWI
1 stop10h 27mMultiple Airlines
mar. 12/98:30 pmBWI - SAN
2 stops29h 16mMultiple Airlines
Deal found 11/9$254
This American Airlines deal was found by Cheapflights users on 11/9. 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.
mié. 12/310:47 amSAN - BWI
1 stop7h 30mAmerican Airlines
mié. 12/107:48 amBWI - SAN
1 stop7h 42mAmerican Airlines
Deal found 11/9$256
This Delta deal was found by Cheapflights users on 11/8. 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.
sáb. 12/66:15 amSAN - BWI
1 stop7h 59mDelta
sáb. 12/136:00 amBWI - SAN
1 stop7h 26mDelta
Deal found 11/8$258
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
mié. 12/36:25 amSAN - BWI
2 stops24h 54mMultiple Airlines
jue. 12/1110:27 amBWI - SAN
1 stop16h 24mMultiple Airlines
Deal found 11/9$259
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
jue. 12/48:10 pmSAN - BWI
2 stops16h 31mMultiple Airlines
lun. 12/810:27 amBWI - SAN
1 stop16h 29mMultiple Airlines
Deal found 11/9$260
This United Airlines deal was found by Cheapflights users on 11/7. 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.
sáb. 12/68:45 amSAN - BWI
2 stops9h 23mUnited Airlines
sáb. 12/139:00 amBWI - SAN
1 stop9h 02mUnited Airlines
Deal found 11/7$262
This Trip.com deal was found by Cheapflights users on 11/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/238:34 amSAN - BWI
2 stops20h 49mFrontier
jue. 11/276:51 pmBWI - SAN
1 stop8h 08mFrontier
Deal found 11/8$263
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
mar. 12/26:25 amSAN - BWI
2 stops24h 56mMultiple Airlines
lun. 12/810:27 amBWI - SAN
1 stop16h 29mMultiple Airlines
Deal found 11/9$264

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 noviembre 10, 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

sáb. 12/6

7:00 am-2:55 pm

Nonstop4h 55m

Baltimore/Washington

sáb. 12/13

1:50 pm-5:55 pm

1 stop7h 05m

$253

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

mié. 12/3

2:12 pm-12:21 am

1 stop7h 09m

Baltimore/Washington

mar. 12/16

7:06 pm-11:44 pm

1 stop7h 38m

$257

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

mié. 12/3

9:45 pm-5:35 am

Nonstop4h 50m

Baltimore/Washington

mié. 12/17

12:35 pm-6:40 pm

1 stop9h 05m

$257

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

mar. 2/17

10:05 pm-10:29 am

1 stop9h 24m

Baltimore/Washington

sáb. 2/21

6:00 am-10:33 am

1 stop7h 33m

$257

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

mar. 3/3

12:03 pm-11:49 pm

1 stop8h 46m

Baltimore/Washington

mié. 3/4

4:45 pm-10:48 pm

1 stop9h 03m

$257

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

mié. 3/4

7:05 am-2:55 pm

Nonstop4h 50m

Baltimore/Washington

mié. 3/11

4:45 pm-10:05 pm

1 stop8h 20m

$257

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

sáb. 12/6

2:12 pm-12:21 am

1 stop7h 09m

$129

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

mié. 12/3

6:50 am-2:50 pm

Nonstop5h 00m

$129

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

sáb. 3/7

7:38 pm-7:19 am

1 stop8h 41m

$129

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

mar. 2/10

9:45 pm-5:30 am

Nonstop4h 45m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 17 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Diego-Baltimore flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

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 November 7, 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, June is the cheapest month in which you can book a flight from San Diego to Baltimore (average of $99). Flying from San Diego to Baltimore in December is currently the most expensive (average of $227). 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 noviembre 10, 2025.

It’s optimal to fly from San Diego to Baltimore in the evening. By choosing this option you can save up to 22% 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 November 2, 2025.

Travelers seeking maximum savings on their San Diego to Baltimore flight should consider departing on Monday afternoons 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.

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

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 noviembre 10, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
8,004 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
9,011 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Spirit Airlines
6.3
Okay
8,132 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,111 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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?

    Within the past month, 19 users have taken a look at flights from San Diego to Baltimore/Washington.

  • How long is the flight from San Diego to Baltimore?

    Southwest and Delta can get you from San Diego to Baltimore in just under 4h 55m. Your travel time can differ by up to 2h 14m. There are 2289 mi between San Diego and Baltimore. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $128, Frontier will fly you from San Diego to Baltimore and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Alaska Airlines - these airlines can fly you to your destination from $145 and $237, respectively. Users have found that Frontier is 67% 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 Delta ($129), Southwest ($129), and United Airlines ($129).

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

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (San Diego - Baltimore/Washington) can be booked for $213 on average, our data indicates $334 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, June is the cheapest month in which you can book a flight from San Diego to Baltimore (average of $99). Flying from San Diego to Baltimore in December is currently the most expensive (average of $227). 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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Alternative routes for San Diego to Baltimore

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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 noviembre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$279FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$266FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$237Average$337FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$237Average$431FlexibilityNo cancel feeOn-time69%
DeltaCheapest$276Average$410FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$293Average$464FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$311Average$497FlexibilityNo cancel feeOn-time71%

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