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 flightsHK$1,152
Frontier1 stop9 hrSat, Jan 24 — Sat, Jan 31
The cheapest round-trip flight from Baltimore to San Diego is currently HK$1,152
Cheapest one-way flightHK$576
Frontier1 stop9 hrSat, Jan 24
The cheapest one-way flight from Baltimore to San Diego is currently HK$576
Cheapest nonstop flightsHK$1,686
AlaskaNonstop6 hrSat, Jan 24 — Sat, Jan 31
The cheapest nonstop round-trip flight from Baltimore to San Diego is currently HK$1,686
Last-minute weekend getawayHK$2,981
Frontier1 stop9 hrThu, Dec 25 — Sun, Dec 28
The cheapest last-minute weekend getaway from Baltimore to San Diego is currently HK$2,981
Cheapest business class flightsHK$7,678
UnitedNonstop6 hrSat, Jan 31 — Sat, Feb 7
The cheapest business class round-trip flight from Baltimore to San Diego is currently HK$7,678
Fastest flight5 hr 15 minThe fastest nonstop flight from Baltimore to San Diego takes 5 hr 15 min
Nonstop flightsEvery dayThere 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 January. The most expensive month to fly is typically July.
January
Cheapest
Typical prices: HK$1,150–2,050
July
Most expensive
Typical prices: HK$1,850–2,450

Popular airlines from Baltimore to San Diego

  • Southwest
    Nonstop
    from HK$1,840
    Typical price: HK$2,200–4,300
    24 weekly nonstop flights
    BWI - SANEvery day
    2052 weekly connecting flights
    BWI, DCA, IAD - SANEvery day
  • United
    Nonstop
    from HK$1,689
    Typical price: HK$1,950–3,950
    21 weekly nonstop flights
    IAD - SANEvery day
    1002 weekly connecting flights
    BWI, DCA, IAD - SANEvery day
  • Alaska
    Nonstop
    from HK$1,686
    Typical price: HK$2,150–4,650
    14 weekly nonstop flights
    DCA, IAD - SANEvery day
    70 weekly connecting flights
    BWI, DCA, IAD - SANEvery day
  • American
    from HK$1,837
    Typical price: HK$2,150–4,200
    684 weekly connecting flights
    BWI, DCA, IAD - SANEvery day
  • Delta
    from HK$1,920
    Typical price: HK$2,200–4,650
    681 weekly connecting flights
    BWI, DCA, IAD - SANEvery day
  • Frontier
    from HK$1,152
    Typical price: HK$1,450–3,350
    71 weekly connecting flights
    BWI, DCA, IAD - SANEvery day

Popular airports near Baltimore

  • Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)
    BaltimoreUnited States19 min13 km
  • Dulles International Airport (IAD)
    WashingtonUnited States1 hr 24 min82 km
  • Ronald Reagan Washington National Airport (DCA)
    WashingtonUnited States1 hr 3 min61 km
  • Philadelphia International Airport (PHL)
    PhiladelphiaUnited States1 hr 37 min133 km

Popular airports near San Diego

  • San Diego International Airport (SAN)
    San DiegoUnited States11 min3 km
  • Tijuana International Airport (TIJ)
    TijuanaMexico37 min26 km
  • Los Angeles International Airport (LAX)
    Los AngelesUnited States2 hr 3 min178 km
  • John Wayne Airport (SNA)
    Santa AnaUnited States1 hr 23 min125 km

Frequently asked questions about flying from Baltimore to San Diego

The cheapest flights from Baltimore to San Diego are usually in January. Typical ticket prices in January range from HK$1,150 to HK$2,050.
The cheapest round-trip flight from Baltimore to San Diego recently found on Google Flights was with Frontier from HK$1,152. The cheapest one-way flight was with Frontier from HK$576.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Baltimore to San Diego is HK$1,840, flying from Jan 24 to Jan 31.
  • The cheapest United flight from Baltimore to San Diego is HK$1,689, flying from Jan 31 to Feb 7.
  • The cheapest Alaska flight from Baltimore to San Diego is HK$1,686, flying from Jan 24 to Jan 31.
  • The cheapest American flight from Baltimore to San Diego is HK$1,837, flying from Jan 24 to Jan 31.
  • The cheapest Delta flight from Baltimore to San Diego is HK$1,920, flying from Feb 19 to Feb 26.
  • The cheapest Frontier flight from Baltimore to San Diego is HK$1,152, flying from Jan 24 to Jan 31.
The cheapest round-trip flight from Baltimore to San Diego starts at HK$1,152 from Sat, Jan 24 to Sat, Jan 31. The cheapest one-way flight starts at HK$576 and departs on Sat, Jan 24.
5 hr 15 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 24 nonstop flights and 2,052 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 21 nonstop flights and 1,002 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).
  • Alaska offers 14 nonstop flights and 70 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 684 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).
  • Delta offers 681 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).
  • Frontier offers 71 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 HK$1,152. The cheapest one-way flight was with Frontier from HK$576.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Baltimore to San Diego is HK$1,840, flying from Jan 24 to Jan 31.
  • The cheapest United flight from Baltimore to San Diego is HK$1,689, flying from Jan 31 to Feb 7.
  • The cheapest Alaska flight from Baltimore to San Diego is HK$1,686, flying from Jan 24 to Jan 31.
  • The cheapest American flight from Baltimore to San Diego is HK$1,837, flying from Jan 24 to Jan 31.
  • The cheapest Delta flight from Baltimore to San Diego is HK$1,920, flying from Feb 19 to Feb 26.
  • The cheapest Frontier flight from Baltimore to San Diego is HK$1,152, flying from Jan 24 to Jan 31.
Southwest, Alaska and United fly direct from Baltimore to San Diego.
  • There are 24 Southwest direct flights from Baltimore to San Diego per week. Flights are available every day.
  • There are 21 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 HK$2,981 is offered by Frontier from Thu, Dec 25 to Sun, Dec 28.
Southwest, Alaska and United fly direct from Baltimore to San Diego.
  • There are 24 Southwest direct flights from Baltimore to San Diego per week. Flights are available every day.
  • There are 21 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 HK$1,686 from Sat, Jan 24 to Sat, Jan 31 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 HK$7,678 from Sat, Jan 31 to Sat, Feb 7 with United.
The cheapest economy class round-trip flights between Baltimore and San Diego start at HK$1,152 from Sat, Jan 24 to Sat, Jan 31.
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 HK$2,981 from Thu, Dec 25 to Sun, Dec 28 with Frontier.
The cheapest last-minute deal between Baltimore and San Diego at price HK$2,981 is offered by Frontier from Thu, Dec 25 to Sun, Dec 28.
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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