Cheap flights from Baltimore to San Diego

Flights overview

Useful information for finding cheap flights from Baltimore to San Diego and booking your next trip
Cheapest round-trip flights $165
Frontier 1 stop 17 hr Thu, Feb 19 — Wed, Feb 25
The cheapest round-trip flight from Baltimore to San Diego is currently $165
Cheapest one-way flight $90
Frontier 1 stop 9 hr Wed, Feb 4
The cheapest one-way flight from Baltimore to San Diego is currently $90
Cheapest nonstop flights $197
Alaska Nonstop 6 hr Sat, Feb 21 — Sat, Feb 28
The cheapest nonstop round-trip flight from Baltimore to San Diego is currently $197
Last-minute weekend getaway $262
Frontier 1 stop 14 hr Thu, Jan 29 — Mon, Feb 2
The cheapest last-minute weekend getaway from Baltimore to San Diego is currently $262
Cheapest business class flights $1,005
United 1 stop 14 hr Mon, Mar 2 — Tue, Mar 10
The cheapest business class round-trip flight from Baltimore to San Diego is currently $1,005
Fastest flight 5 hr 35 min The fastest nonstop flight from Baltimore to San Diego takes 5 hr 35 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Baltimore to San Diego is typically February. The most expensive month to fly is typically July.
February
Cheapest
Typical prices: $165–260
July
Most expensive
Typical prices: $235–315

Popular airlines from Baltimore to San Diego

  • Southwest
    Nonstop
    from $217
    Typical price: $275–540
    20 weekly nonstop flights
    BWI - SAN Every day
    1826 weekly connecting flights
    BWI, DCA, IAD - SAN Every day
  • United
    Nonstop
    from $237
    Typical price: $255–500
    18 weekly nonstop flights
    IAD - SAN Every day
    962 weekly connecting flights
    BWI, DCA, IAD - SAN Every day
  • Delta
    from $257
    Typical price: $285–580
    820 weekly connecting flights
    BWI, DCA, IAD - SAN Every day
  • Alaska
    Nonstop
    from $197
    Typical price: $275–600
    14 weekly nonstop flights
    DCA, IAD - SAN Every day
    59 weekly connecting flights
    BWI, DCA, IAD - SAN Every day
  • American
    from $217
    Typical price: $275–540
    685 weekly connecting flights
    BWI, DCA, IAD - SAN Every day
  • Frontier
    from $165
    Typical price: $195–430
    50 weekly connecting flights
    BWI, DCA, IAD - SAN Every day

Popular airports near Baltimore

  • Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)
    Baltimore United States 19 min 8 mi
  • Dulles International Airport (IAD)
    Washington United States 1 hr 22 min 51 mi
  • Ronald Reagan Washington National Airport (DCA)
    Washington United States 1 hr 1 min 38 mi
  • Philadelphia International Airport (PHL)
    Philadelphia United States 1 hr 35 min 83 mi

Popular airports near San Diego

  • San Diego International Airport (SAN)
    San Diego United States 10 min 2 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 37 min 16 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 2 hr 2 min 111 mi
  • John Wayne Airport (SNA)
    Santa Ana United States 1 hr 21 min 78 mi

Frequently asked questions about flying from Baltimore to San Diego

The cheapest flights from Baltimore to San Diego are usually in February. Typical ticket prices in February range from $165 to $260.
The cheapest round-trip flight from Baltimore to San Diego recently found on Google Flights was with Frontier from $165. The cheapest one-way flight was with Frontier from $90.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Baltimore to San Diego is $217, flying from Feb 21 to Feb 28.
  • The cheapest United flight from Baltimore to San Diego is $237, flying from Apr 18 to Apr 25.
  • The cheapest Delta flight from Baltimore to San Diego is $257, flying from Feb 21 to Feb 28.
  • The cheapest Alaska flight from Baltimore to San Diego is $197, flying from Feb 21 to Feb 28.
  • The cheapest American flight from Baltimore to San Diego is $217, flying from Feb 21 to Feb 28.
  • The cheapest Frontier flight from Baltimore to San Diego is $165, flying from Feb 19 to Feb 25.
The cheapest round-trip flight from Baltimore to San Diego starts at $165 from Thu, Feb 19 to Wed, Feb 25. The cheapest one-way flight starts at $90 and departs on Wed, Feb 4.
5 hr 35 min is the shortest flight time from Baltimore to San Diego.
Jun–Aug is when most people visit San Diego, where the weather's temperate year-round. Beaches are less crowded Dec–Feb, which bring cooler temperatures but brighter sun. Whale-watching season is from mid-Dec–mid-Mar. Major annual events include Comic-Con International (Jul), a massive comic book convention with workshops and film screenings. Fleet Week (autumn) is a large military appreciation event featuring Navy ship tours, an air show and more.
It's easy to use Google Flights to find the cheapest days to fly from Baltimore to San Diego.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Baltimore to San Diego really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Baltimore to San Diego.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 20 nonstop flights and 1,826 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Diego International Airport (SAN) .

Other popular airlines flying from Baltimore to San Diego are:
  • United offers 18 nonstop flights and 962 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Diego International Airport (SAN) .
  • Delta offers 820 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Diego International Airport (SAN) .
  • Alaska offers 14 nonstop flights and 59 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Diego International Airport (SAN) .
  • American offers 685 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Diego International Airport (SAN) .
  • Frontier offers 50 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Diego International Airport (SAN) .
The number of connecting flights refers to distinct flights with at least one stop between Baltimore and San Diego.
The cheapest round-trip flight from Baltimore to San Diego recently found on Google Flights was with Frontier from $165. The cheapest one-way flight was with Frontier from $90.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Baltimore to San Diego is $217, flying from Feb 21 to Feb 28.
  • The cheapest United flight from Baltimore to San Diego is $237, flying from Apr 18 to Apr 25.
  • The cheapest Delta flight from Baltimore to San Diego is $257, flying from Feb 21 to Feb 28.
  • The cheapest Alaska flight from Baltimore to San Diego is $197, flying from Feb 21 to Feb 28.
  • The cheapest American flight from Baltimore to San Diego is $217, flying from Feb 21 to Feb 28.
  • The cheapest Frontier flight from Baltimore to San Diego is $165, flying from Feb 19 to Feb 25.
Southwest, Alaska and United fly direct from Baltimore to San Diego.
  • There are 20 Southwest direct flights from Baltimore to San Diego per week. Flights are available every day.
  • There are 18 United direct flights from Baltimore to San Diego per week. Flights are available every day.
  • There are 14 Alaska direct flights from Baltimore to San Diego per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Baltimore and San Diego at price $262 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.
Southwest, Alaska and United fly direct from Baltimore to San Diego.
  • There are 20 Southwest direct flights from Baltimore to San Diego per week. Flights are available every day.
  • There are 18 United direct flights from Baltimore to San Diego per week. Flights are available every day.
  • There are 14 Alaska direct flights from Baltimore to San Diego per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Baltimore to San Diego on a daily basis.
The cheapest direct (nonstop) round-trip flights between Baltimore and San Diego start at $197 from Sat, Feb 21 to Sat, Feb 28 with Alaska.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Baltimore to San Diego, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Baltimore and San Diego start at $1,005 from Mon, Mar 2 to Tue, Mar 10 with United.
The cheapest economy class round-trip flights between Baltimore and San Diego start at $165 from Thu, Feb 19 to Wed, Feb 25.
To book business class trips from Baltimore to San Diego, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Baltimore and San Diego starts at $262 from Thu, Jan 29 to Mon, Feb 2 with Frontier.
The cheapest last-minute deal between Baltimore and San Diego at price $262 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.
To find last-minute flight deals from Baltimore to San Diego, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

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