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$80+ Cheap flights from San Diego (SAN) to Maryland

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from San Diego to Maryland

Cheapest flights from San Diego to Maryland
Explore the most affordable flight options available from San Diego to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:25 amSAN - BWI
1 stop9h 24mFrontier
Mon 1/1212:49 pmBWI - SAN
1 stop13h 47mFrontier
Deal found 12/15$233
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:25 amSAN - BWI
1 stop9h 24mFrontier
Thu 1/1512:42 pmBWI - SAN
1 stop14h 42mFrontier
Deal found 12/15$254
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:25 amSAN - DCA
1 stop12h 34mFrontier
Thu 1/152:00 pmDCA - SAN
1 stop13h 15mFrontier
Deal found 12/15$254
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:06 pmSAN - DCA
2 stops20h 55mFrontier
Sat 1/102:00 pmDCA - SAN
1 stop12h 16mFrontier
Deal found 12/15$260
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:25 amSAN - BWI
1 stop9h 24mFrontier
Sun 1/1112:49 pmBWI - SAN
1 stop14h 00mFrontier
Deal found 12/15$268
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:25 amSAN - DCA
1 stop12h 34mFrontier
Sun 1/112:00 pmDCA - SAN
1 stop12h 59mFrontier
Deal found 12/15$268
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:06 pmSAN - DCA
2 stops20h 55mFrontier
Wed 1/148:00 amDCA - SAN
1 stop12h 09mFrontier
Deal found 12/15$273
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:25 amSAN - DCA
1 stop7h 34mMultiple Airlines
Tue 1/138:59 amDCA - SAN
Nonstop5h 57mMultiple Airlines
Deal found 12/15$276
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:45 amSAN - BWI
1 stop10h 28mFrontier
Mon 1/1212:49 pmBWI - SAN
1 stop13h 47mFrontier
Deal found 12/15$282
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:06 pmSAN - DCA
2 stops20h 55mFrontier
Sat 1/102:00 pmDCA - SAN
1 stop12h 16mFrontier
Deal found 12/15$289
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:25 amSAN - DCA
1 stop7h 34mMultiple Airlines
Tue 1/68:59 amDCA - SAN
Nonstop5h 52mMultiple Airlines
Deal found 12/16$291
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.
Tue 12/236:25 amSAN - DCA
1 stop12h 34mFrontier
Wed 2/118:00 amDCA - SAN
1 stop16h 41mFrontier
Deal found 12/16$296

Find flight deals from San Diego to Maryland

Keep the following information in mind while searching for San Diego to Maryland flight deals. Data was last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$164
(Kiwi.com)

One-way from

$80
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$420

Good round-trip deal

$387 or less

Good one-way deal

$178 or less
Provider with most accurate pricing for San Diego-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Washington, D.C. (WAS) flights.
Search Deals
From San Diego to Maryland
Search Deals
One-way flight from San Diego to Maryland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 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 San Diego to Maryland.
Search Deals
Price to beat on a one-way flight from San Diego to Maryland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Maryland 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 San Diego to Maryland that are best for you.

Fly from

San Diego

Fly to

Maryland

Route

Depart

Return

Price

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 1/14

8:05 am-5:46 pm

1 stop6h 41m

Baltimore/Washington

Tue 1/20

5:25 pm-10:31 pm

1 stop8h 06m

$257

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Sat 1/17

9:45 pm-5:30 am

Nonstop4h 45m

Baltimore/Washington

Tue 1/20

6:20 am-9:25 am

Nonstop6h 05m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 1/15

12:53 pm-9:00 pm

Nonstop5h 07m

Washington, D.C. Reagan-National

Mon 1/19

8:59 am-11:56 am

Nonstop5h 57m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Fri 1/9

10:00 pm-5:49 am

Nonstop4h 49m

Washington, D.C. Dulles Intl

Mon 1/12

9:00 am-11:45 am

Nonstop5h 45m

$257

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Sat 1/17

8:05 am-5:46 pm

1 stop6h 41m

Baltimore/Washington

Wed 1/21

6:05 am-10:48 am

1 stop7h 43m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Thu 1/15

12:53 pm-9:00 pm

Nonstop5h 07m

Washington, D.C. Reagan-National

Sun 1/18

8:59 am-11:56 am

Nonstop5h 57m

$257

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Sat 1/31

1:29 pm-11:44 pm

1 stop7h 15m

Baltimore/Washington

Sat 2/7

7:22 am-12:55 pm

1 stop8h 33m

$257

San DiegoWashington, D.C.

SAN - DCA

SANDCA

San Diego

Fri 1/16

12:53 pm-9:00 pm

Nonstop5h 07m

Washington, D.C. Reagan-National

Mon 1/19

8:59 am-11:56 am

Nonstop5h 57m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Thu 2/26

9:28 am-5:27 pm

Nonstop4h 59m

Washington, D.C. Dulles Intl

Mon 3/2

6:20 pm-9:19 pm

Nonstop5h 59m

$257

San DiegoWashington, D.C.

SAN - IAD

SANIAD

San Diego

Sat 2/14

6:25 am-4:28 pm

1 stop7h 03m

Washington, D.C. Dulles Intl

Tue 2/24

7:30 am-2:29 pm

1 stop9h 59m

$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 San Diego to Maryland

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

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

Currently, July is the cheapest month in which you can book a flight from San Diego to Maryland (average of $134). Flying from San Diego to Maryland in December is currently the most expensive (average of $243). 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 MD?

Find hourly flight availability from San Diego to Maryland. 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.

Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from San Diego to Maryland by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from San Diego to Maryland. Price data was last updated on December 13, 2025.

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

Weekly flight availability from San Diego to Maryland

Explore weekly flight availability from San Diego to Maryland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2025.

The most flights from SAN to USMD are scheduled on a Monday (3 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated December 18, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from San Diego to Maryland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Spirit Airlines
6.3
Okay
8,190 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Maryland. 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 from for flights from San Diego to Maryland?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Maryland. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

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

    This flight path from San Diego to Maryland was viewed by 24 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 San Diego to Maryland?

    There are many flights that can get you from San Diego to Maryland in 4h 45m. Fly via Delta, Southwest, or Alaska Airlines to get the fastest option. San Diego and Maryland are separated by a distance of 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 San Diego to Maryland one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $83. Spirit Airlines flights start at $86 while deals on Alaska Airlines start at $118 one-way.

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

    Most travelers choose San Diego - Washington, D.C. Dulles Intl, San Diego - Baltimore/Washington or San Diego - Washington, D.C. Reagan-National when deciding on the best route from San Diego to Maryland.

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

    While on average a flight from San Diego to Maryland is generally $387, our data shows the cheapest flight currently is $108. When looking at the most popular route, (San Diego - Washington, D.C. Dulles Intl), you can expect to pay $217 for that flight.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from San Diego to Maryland (average of $134). Flying from San Diego to Maryland in December is currently the most expensive (average of $243). 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 Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from San Diego to Maryland

Discover the top 7 airlines that operate flights from San Diego to Maryland. 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$128Average$282FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$144Average$242FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$237Average$337FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$237Average$405FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$567FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$417FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$289Average$458FlexibilityNo cancel feeOn-time63%

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