San Diego

$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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAN
Feb 28 — Mar 71
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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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:52 pm
IAD
-
SAN
1 stop16h 58m
Frontier
Thu 3/511:59 am
SAN
-
IAD
2 stops16h 25m
Frontier
Deal found 1/27$238
This WAYA deal was found by Cheapflights users on 1/26. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:59 am
DCA
-
SAN
Nonstop5h 44m
Multiple Airlines
Fri 2/278:35 am
SAN
-
DCA
1 stop10h 24m
Multiple Airlines
Deal found 1/26$238
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:30 pm
IAD
-
SAN
1 stop8h 46m
Frontier
Tue 3/106:25 am
SAN
-
IAD
2 stops15h 06m
Frontier
Deal found 1/27$239
This Trip.com deal was found by Cheapflights users on 1/28. 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 2/196:00 pm
DCA
-
SAN
1 stop16h 40m
Frontier
Sun 2/226:25 am
SAN
-
DCA
1 stop27h 35m
Frontier
Deal found 1/28$239
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 pm
DCA
-
SAN
1 stop9h 08m
Frontier
Thu 3/511:59 am
SAN
-
DCA
1 stop22h 03m
Frontier
Deal found 1/27$240
This Frontier deal was found by Cheapflights users on 1/28. 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.
Thu 4/307:04 pm
IAD
-
SAN
1 stop8h 07m
Frontier
Mon 5/46:55 am
SAN
-
IAD
1 stop8h 24m
Frontier
Deal found 1/28$241
This Frontier deal was found by Cheapflights users on 1/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:00 pm
DCA
-
SAN
1 stop9h 08m
Frontier
Tue 2/107:11 am
SAN
-
DCA
1 stop11h 48m
Frontier
Deal found 1/27$241
This WAYA deal was found by Cheapflights users on 1/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:00 pm
DCA
-
SAN
1 stop10h 14m
Multiple Airlines
Fri 3/1312:45 pm
SAN
-
DCA
Nonstop5h 17m
Multiple Airlines
Deal found 1/27$242
This Orbitz deal was found by Cheapflights users on 1/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:00 pm
DCA
-
SAN
1 stop10h 41m
Multiple Airlines
Tue 3/1012:45 pm
SAN
-
DCA
Nonstop5h 17m
Multiple Airlines
Deal found 1/28$243
This Expedia deal was found by Cheapflights users on 1/28. 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.
Fri 2/132:00 pm
DCA
-
SAN
1 stop13h 08m
Frontier
Sat 2/216:25 am
SAN
-
DCA
1 stop7h 34m
Frontier
Deal found 1/28$244
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/276:00 pm
DCA
-
SAN
1 stop9h 08m
Frontier
Fri 3/69:58 pm
SAN
-
DCA
2 stops12h 04m
Frontier
Deal found 1/28$245
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:20 pm
IAD
-
SAN
2 stops23h 44m
Frontier
Wed 3/49:45 am
SAN
-
IAD
1 stop29h 12m
Frontier
Deal found 1/27$246

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Kiwi.com)

One-way from

$80
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$337

Good round-trip deal

$317 or less

Good one-way deal

$223 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-San Diego flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Diego flights.
From Maryland to San Diego
One-way flight from Maryland to San Diego
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Maryland to San Diego.
Price to beat on a one-way flight from Maryland to San Diego.

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 January 29, 2026.
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

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Tue 2/24

9:05 am-4:55 pm

2 stops10h 50m

San Diego

Fri 2/27

1:45 pm-11:10 pm

1 stop6h 25m

$252

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Thu 3/5

6:20 pm-9:19 pm

Nonstop5h 59m

San Diego

Mon 3/9

9:28 am-5:27 pm

Nonstop4h 59m

$257

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Fri 2/27

5:54 pm-8:46 pm

Nonstop5h 52m

San Diego

Sat 3/7

12:16 pm-11:51 pm

1 stop8h 35m

$257

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Tue 7/14

5:00 pm-11:43 pm

1 stop9h 43m

San Diego

Tue 7/21

10:30 pm-8:37 am

1 stop7h 07m

$257

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Sat 2/21

5:25 pm-10:48 pm

1 stop8h 23m

San Diego

Sat 2/28

10:20 pm-9:13 am

1 stop7h 53m

$259

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Fri 2/27

5:54 pm-8:46 pm

Nonstop5h 52m

San Diego

Fri 3/6

12:16 pm-11:51 pm

1 stop8h 35m

$267

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Sat 4/25

8:00 am-2:05 pm

2 stops9h 05m

San Diego

Wed 4/29

8:35 am-11:00 pm

2 stops11h 25m

$267

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Fri 3/20

5:32 pm-10:59 pm

1 stop8h 27m

San Diego

Tue 3/24

9:55 pm-9:10 am

1 stop8h 15m

$267

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Sun 4/5

6:00 am-11:04 am

1 stop8h 04m

San Diego

Sat 4/11

10:30 pm-8:56 am

1 stop7h 26m

$267

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Wed 3/18

11:40 am-7:20 pm

2 stops10h 40m

San Diego

Mon 3/23

10:40 pm-8:25 am

1 stop6h 45m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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, 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 $249). 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 January 29, 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 36% 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 January 24, 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.

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?

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

    For as low as $257, Southwest can have you in San Diego from Maryland in 5h 52m. The distance between Maryland and San Diego is about 2248 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 $67 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $67 and United Airlines from $109 one-way.

  • What are the most popular routes 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 $148. On average you can expect to pay $320. The most popular route, (Washington, D.C. Dulles Intl - San Diego), can usually be booked for $188.

  • 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 $249). 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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Alternative routes for Maryland to San Diego

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

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$99Average$257FlexibilityNo cancel feeOn-time65%
FrontierCheapest$117Average$230FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$368FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$211Average$348FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$260Average$458FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$276Average$413FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$282Average$436FlexibilityNo cancel feeOn-time69%

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