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$80+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAN
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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Cheap 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 March 26, 2026.

This Southwest deal was found by Cheapflights users on 3/23. 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.
Wed 5/64:30 pm
IAD
-
SAN
2 stops9h 10m
Southwest
Tue 5/1212:30 pm
SAN
-
IAD
2 stops8h 10m
Southwest
Deal found 3/23$269
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:00 am
DCA
-
SAN
1 stop27h 34m
Multiple Airlines
Tue 4/2112:42 pm
SAN
-
DCA
Nonstop5h 18m
Multiple Airlines
Deal found 3/22$269
This Super.com deal was found by Cheapflights users on 3/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:12 pm
IAD
-
SAN
1 stop7h 59m
Frontier
Mon 4/206:25 am
SAN
-
IAD
1 stop10h 09m
Frontier
Deal found 3/22$270
This Expedia deal was found by Cheapflights users on 3/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 am
DCA
-
SAN
1 stop20h 02m
Frontier
Thu 4/166:25 am
SAN
-
DCA
1 stop12h 34m
Frontier
Deal found 3/22$270
This Delta deal was found by Cheapflights users on 3/25. 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.
Fri 4/176:08 am
BWI
-
SAN
1 stop10h 27m
Delta
Wed 5/135:01 pm
SAN
-
BWI
1 stop9h 44m
Delta
Deal found 3/25$271
This Delta deal was found by Cheapflights users on 3/26. 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.
Tue 4/146:03 am
BWI
-
SAN
1 stop7h 41m
Delta
Fri 4/1710:30 pm
SAN
-
BWI
1 stop8h 50m
Delta
Deal found 3/26$272
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:56 pm
BWI
-
SAN
1 stop8h 03m
United Airlines
Wed 4/2211:01 am
SAN
-
BWI
2 stops9h 23m
United Airlines
Deal found 3/26$273
This Frontier deal was found by Cheapflights users on 3/22. 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.
Tue 4/211:59 pm
DCA
-
SAN
1 stop9h 05m
Frontier
Wed 4/2910:30 am
SAN
-
DCA
1 stop8h 29m
Frontier
Deal found 3/22$273
This Billigflug deal was found by Cheapflights users on 3/24. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:22 pm
IAD
-
SAN
Nonstop6h 00m
Alaska Airlines
Tue 4/289:35 am
SAN
-
IAD
Nonstop5h 06m
Alaska Airlines
Deal found 3/24$274
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/2011:22 am
BWI
-
SAN
2 stops28h 55m
Frontier
Mon 4/276:25 am
SAN
-
BWI
1 stop28h 51m
Frontier
Deal found 3/23$274
This WAYA deal was found by Cheapflights users on 3/24. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:59 pm
DCA
-
SAN
1 stop9h 05m
Multiple Airlines
Wed 4/2212:46 pm
SAN
-
DCA
Nonstop5h 14m
Multiple Airlines
Deal found 3/24$274
This Trip.com deal was found by Cheapflights users on 3/22. 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.
Thu 4/167:12 pm
IAD
-
SAN
1 stop7h 59m
Frontier
Sun 4/197:20 am
SAN
-
IAD
1 stop8h 07m
Frontier
Deal found 3/22$275

Find 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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Southwest)

One-way from

$80
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$419

Good round-trip deal

$364 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Diego flights.
Search Deals
From Maryland to San Diego
Search Deals
One-way flight from Maryland to San Diego
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Maryland to San Diego.
Search Deals
Price to beat on a one-way flight from Maryland to San Diego.
Search Deals

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 March 26, 2026.
Use the filters below to find and compare flights from Maryland to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Tue 4/21

5:55 pm-8:46 pm

Nonstop5h 51m

San Diego

Tue 4/28

12:55 pm-9:00 pm

Nonstop5h 05m

$277

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sat 4/25

7:55 pm-10:35 pm

Nonstop5h 40m

San Diego

Mon 4/27

10:40 pm-9:25 am

1 stop7h 45m

$280

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Wed 5/6

5:30 pm-9:30 pm

1 stop7h 00m

San Diego

Sat 5/9

8:40 am-10:55 pm

2 stops11h 15m

$283

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Sat 5/30

4:55 pm-9:25 pm

1 stop7h 30m

San Diego

Tue 6/2

6:45 am-8:45 pm

2 stops11h 00m

$290

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Thu 6/4

4:10 pm-11:25 pm

1 stop10h 15m

San Diego

Tue 6/9

8:30 am-8:55 pm

1 stop9h 25m

$290

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sun 5/3

7:22 pm-11:38 pm

1 stop7h 16m

San Diego

Wed 5/6

5:00 pm-5:55 am

1 stop9h 55m

$292

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sat 4/18

6:28 pm-11:59 pm

1 stop8h 31m

San Diego

Tue 4/21

11:00 am-11:24 pm

1 stop9h 24m

$292

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sat 5/2

2:10 pm-8:10 pm

1 stop9h 00m

San Diego

Tue 5/5

1:00 pm-11:00 pm

1 stop7h 00m

$297

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Sat 4/18

5:50 am-10:00 am

1 stop7h 10m

San Diego

Sat 4/25

8:40 am-10:55 pm

2 stops11h 15m

$302

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sat 5/2

5:10 pm-11:15 pm

2 stops9h 05m

San Diego

Sat 5/9

10:30 pm-9:15 am

1 stop7h 45m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Maryland to San Diego (average of $77). Flying from Maryland to San Diego in July is currently the most expensive (average of $250). 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 March 26, 2026.

One of the essential ways to save on airfare from Maryland to San Diego is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 40% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Maryland to San Diego. Price data was last updated on March 23, 2026.

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

How much does it cost to fly round-trip from Maryland to San Diego?

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.

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

    For as low as $280, United Airlines can have you in San Diego from Maryland in 5h 40m. The distance between Maryland and San Diego is about 2289 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $73 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $83 and United Airlines from $128 one-way.

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

    While some choose either Baltimore/Washington - San Diego or Washington, D.C. Reagan-National - 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 $135. On average you can expect to pay $363. The most popular route, (Washington, D.C. Dulles Intl - San Diego), can usually be booked for $254.

  • 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, November is the cheapest month in which you can book a flight from Maryland to San Diego (average of $77). Flying from Maryland to San Diego in July is currently the most expensive (average of $250). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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Top 8 airlines flying from Maryland to San Diego

Discover the top 8 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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$216FlexibilityNo cancel feeOn-time65%
FrontierCheapest$113Average$260FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$192Average$381FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$366FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$390FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$257Average$347FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$259Average$393FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$260Average$450FlexibilityNo cancel feeOn-time71%

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