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$48+ Cheap flights from Maryland to San Diego (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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Maryland to San Diego

Keep the following information in mind while searching for Maryland to San Diego flight deals. Data was last updated August 14, 2025.

Round-trip from

$203
(Kiwi.com)

One-way from

$48
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$347

Good round-trip deal

$383 or less

Good one-way deal

$193 or less
From Maryland to San Diego
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One-way flight from Maryland to San Diego
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Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Maryland to San Diego.
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Price to beat on a one-way flight from Maryland to San Diego.
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Find flight deals from Maryland to San Diego

Cheapest flights from Maryland to San Diego
Explore the most affordable flight options available from Maryland to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:16 amBWI - SAN
1 stop18h 18mSpirit Airlines
Tue 9/236:15 amSAN - BWI
1 stop19h 15mSpirit Airlines
Deal found 8/11$201
This CheapOair deal was found by Cheapflights users on 8/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:16 amBWI - SAN
1 stop17h 10mSpirit Airlines
Fri 9/196:15 amSAN - BWI
1 stop8h 42mSpirit Airlines
Deal found 8/12$202
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/94:27 pmBWI - SAN
2 stops10h 07mSpirit Airlines
Fri 9/196:15 amSAN - BWI
1 stop8h 42mSpirit Airlines
Deal found 8/13$203
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Thu 9/118:16 amBWI - SAN
1 stop13h 26mSpirit Airlines
Thu 9/186:15 amSAN - BWI
1 stop8h 42mSpirit Airlines
Deal found 8/13$204
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/108:16 amBWI - SAN
1 stop13h 26mMultiple Airlines
Fri 9/1910:11 amSAN - BWI
2 stops9h 22mMultiple Airlines
Deal found 8/14$205
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sun 9/77:02 pmBWI - SAN
1 stop7h 32mSpirit Airlines
Wed 9/171:35 pmSAN - BWI
2 stops14h 26mSpirit Airlines
Deal found 8/14$206
This Frontier deal was found by Cheapflights users on 8/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:53 pmBWI - SAN
1 stop8h 23mFrontier
Sun 9/219:03 pmSAN - BWI
2 stops18h 02mFrontier
Deal found 8/14$207
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 8/288:30 pmBWI - SAN
1 stop13h 51mSpirit Airlines
Sat 9/61:35 pmSAN - BWI
1 stop11h 55mSpirit Airlines
Deal found 8/13$208
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:45 amBWI - SAN
2 stops28h 44mSpirit Airlines
Sat 9/138:24 amSAN - BWI
3 stops19h 37mSpirit Airlines
Deal found 8/12$209
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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.
Sat 8/308:09 amBWI - SAN
1 stop12h 47mSpirit Airlines
Tue 9/21:17 pmSAN - BWI
1 stop12h 58mSpirit Airlines
Deal found 8/13$210
This KAYAK deal was found by Cheapflights users on 8/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:02 pmBWI - SAN
1 stop15h 27mSpirit Airlines
Sat 10/41:35 pmSAN - BWI
1 stop11h 55mSpirit Airlines
Deal found 8/14$211
This Trip.com deal was found by Cheapflights users on 8/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:52 pmIAD - SAN
Nonstop5h 27mAlaska Airlines
Sat 9/138:33 amSAN - IAD
Nonstop5h 19mAlaska Airlines
Deal found 8/12$231

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland 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 August 14, 2025.
Use the filters below to find and compare flights from Maryland to San Diego that are best for you.

Fly from

Maryland

Fly to

San Diego

Route

Depart

Return

Price

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Wed 9/17

8:16 am-11:34 pm

1 stop18h 18m

San Diego

Tue 9/23

6:15 am-4:30 am

1 stop19h 15m

$201

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Mon 9/15

8:16 am-10:26 pm

1 stop17h 10m

San Diego

Fri 9/19

6:15 am-5:57 pm

1 stop8h 42m

$202

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sat 9/13

8:16 am-6:42 pm

1 stop13h 26m

San Diego

Fri 9/19

10:11 am-10:33 pm

2 stops9h 22m

$204

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 9/11

8:16 am-6:42 pm

1 stop13h 26m

San Diego

Thu 9/18

6:15 am-5:57 pm

1 stop8h 42m

$204

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 9/11

8:16 am-6:42 pm

1 stop13h 26m

San Diego

Wed 9/17

6:15 am-5:57 pm

1 stop8h 42m

$204

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Tue 11/4

6:26 pm-11:17 pm

1 stop7h 51m

San Diego

Fri 11/7

6:41 am-12:13 am

2 stops14h 32m

$205

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 10/23

6:26 pm-7:26 am

1 stop16h 00m

San Diego

Mon 10/27

6:41 am-12:13 am

2 stops14h 32m

$205

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Mon 9/8

8:16 am-6:42 pm

1 stop13h 26m

San Diego

Mon 9/15

6:35 am-5:42 pm

1 stop8h 07m

$205

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Wed 9/10

8:16 am-6:42 pm

1 stop13h 26m

San Diego

Fri 9/19

10:11 am-10:33 pm

2 stops9h 22m

$205

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Tue 9/30

8:16 am-12:31 pm

1 stop7h 15m

San Diego

Fri 10/17

6:15 am-5:21 pm

1 stop8h 06m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results
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Best time to book a flight from Maryland to San Diego

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

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

Currently, August is the cheapest month in which you can book a flight from Maryland to San Diego (average of $286). Flying from Maryland 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 MD to SAN?

Find hourly flight availability from Maryland 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 August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to San Diego as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Maryland 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 airport do you fly into for flights to San Diego from Maryland?

    For a flight from Maryland to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

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

    This flight path from Maryland to San Diego was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    One-way options have recently been found by users for as low as $48 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $120 and Southwest from $130 one-way.

  • What are the most popular routes from Maryland to San Diego?

    While some choose either Washington, D.C. Reagan-National - San Diego or Baltimore/Washington - San Diego, Washington, D.C. Dulles Intl - San Diego is the most popular route from Maryland to San Diego.

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

    The cheapest flight price from Maryland to San Diego is $166. On average you can expect to pay $389. The most popular route, (Washington, D.C. Dulles Intl - San Diego), can usually be booked for $227.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Maryland to San Diego (average of $286). Flying from Maryland 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 San Diego?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maryland to San Diego

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Top 7 airlines flying from Maryland to San Diego

Discover the top 7 airlines that operate flights from Maryland 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$258FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$138Average$292FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$177Average$580FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$211Average$347FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$257Average$483FlexibilityNo cancel feeOn-time69%
DeltaCheapest$276Average$444FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$307Average$496FlexibilityNo cancel feeOn-time63%

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