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$74+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Expedia deal was found by Cheapflights users on 12/17. 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.
Wed 12/318:00 amDCA - SAN
1 stop18h 59mFrontier
Mon 1/54:47 pmSAN - DCA
1 stop17h 15mFrontier
Deal found 12/17$257
This Frontier deal was found by Cheapflights users on 12/16. 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 12/308:00 amDCA - SAN
1 stop14h 15mFrontier
Thu 1/86:36 amSAN - DCA
1 stop12h 23mFrontier
Deal found 12/16$312
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/319:34 amBWI - SAN
1 stop15h 31mMultiple Airlines
Wed 1/79:43 amSAN - BWI
2 stops23h 06mMultiple Airlines
Deal found 12/16$321
This CheapOair deal was found by Cheapflights users on 12/16. 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.
Fri 12/196:00 pmDCA - SAN
1 stop28h 15mFrontier
Wed 12/244:47 pmSAN - DCA
1 stop21h 12mFrontier
Deal found 12/16$334
This Frontier deal was found by Cheapflights users on 12/16. 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.
Wed 12/171:00 pmDCA - SAN
1 stop12h 46mFrontier
Thu 12/256:25 amSAN - DCA
1 stop12h 34mFrontier
Deal found 12/16$337
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/228:00 amDCA - SAN
1 stop14h 15mFrontier
Thu 12/256:25 amSAN - DCA
1 stop12h 34mFrontier
Deal found 12/16$338
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/319:34 amBWI - SAN
1 stop15h 31mMultiple Airlines
Tue 1/63:29 pmSAN - BWI
2 stops14h 58mMultiple Airlines
Deal found 12/16$339
This Super.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/228:00 amDCA - SAN
1 stop14h 15mFrontier
Mon 1/54:47 pmSAN - DCA
1 stop17h 15mFrontier
Deal found 12/15$344
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/319:34 amBWI - SAN
1 stop15h 31mMultiple Airlines
Thu 1/82:50 pmSAN - BWI
2 stops16h 31mMultiple Airlines
Deal found 12/16$346
This Expedia deal was found by Cheapflights users on 12/17. 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.
Wed 12/318:00 amDCA - SAN
1 stop14h 15mFrontier
Sat 1/36:25 amSAN - DCA
1 stop27h 36mFrontier
Deal found 12/17$357
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/319:34 amBWI - SAN
1 stop15h 31mMultiple Airlines
Mon 1/54:47 pmSAN - BWI
2 stops36h 42mMultiple Airlines
Deal found 12/16$359
This Frontier deal was found by Cheapflights users on 12/16. 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.
Wed 12/317:10 amPHL - SAN
1 stop8h 01mFrontier
Mon 1/54:47 pmSAN - PHL
1 stop9h 44mFrontier
Deal found 12/16$363

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 December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$176
(Kiwi.com)

One-way from

$74
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$489

Good round-trip deal

$337 or less

Good one-way deal

$223 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. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 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

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Wed 2/18

5:54 pm-8:46 pm

Nonstop5h 52m

San Diego

Mon 2/23

7:50 pm-6:51 am

1 stop8h 01m

$247

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Wed 1/7

9:30 am-6:40 pm

2 stops12h 10m

San Diego

Wed 1/14

8:35 am-8:15 pm

2 stops8h 40m

$247

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Wed 1/14

3:19 pm-7:54 pm

1 stop7h 35m

San Diego

Wed 1/21

10:00 pm-5:49 am

Nonstop4h 49m

$247

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Tue 3/3

6:20 pm-9:19 pm

Nonstop5h 59m

San Diego

Wed 3/4

9:28 am-5:27 pm

Nonstop4h 59m

$257

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Mon 2/9

4:40 pm-9:10 pm

1 stop7h 30m

San Diego

Tue 2/10

6:50 am-4:50 pm

1 stop7h 00m

$257

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Fri 1/30

5:26 pm-8:23 pm

Nonstop5h 57m

San Diego

Sun 2/1

9:10 am-5:04 pm

Nonstop4h 54m

$257

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Tue 1/20

4:11 pm-8:42 pm

1 stop7h 31m

San Diego

Mon 1/26

6:15 am-4:22 pm

1 stop7h 07m

$257

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Tue 1/20

9:05 am-4:45 pm

1 stop10h 40m

San Diego

Mon 1/26

6:20 am-3:50 pm

1 stop6h 30m

$257

Washington, D.C.San Diego

DCA - SAN

DCASAN

Washington, D.C. Reagan-National

Tue 2/3

8:00 am-3:29 pm

1 stop10h 29m

San Diego

Sat 2/7

12:53 pm-9:00 pm

Nonstop5h 07m

$257

Washington, D.C.San Diego

IAD - SAN

IADSAN

Washington, D.C. Dulles Intl

Wed 2/4

5:50 pm-8:47 pm

Nonstop5h 57m

San Diego

Mon 2/9

1:05 pm-9:01 pm

Nonstop4h 56m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 $248). 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 December 18, 2025.

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 38% 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 December 13, 2025.

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. Monday 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?

    This flight path from Maryland to San Diego was viewed by 7 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 $247, United Airlines 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?

    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 $158. On average you can expect to pay $376. The most popular route, (Washington, D.C. Dulles Intl - San Diego), can usually be booked for $217.

  • 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 $248). 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
National City
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.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$259FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$137Average$285FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$211Average$348FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$417FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$271Average$470FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$275Average$442FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$276Average$423FlexibilityNo cancel feeOn-time69%

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