Cheap flights from Baltimore to San Diego from $47
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to San Diego departing on 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from Baltimore to San Diego
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Frontier flights from Baltimore to San Diego
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How to get the cheapest flight ticket from Baltimore to San Diego
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of August, then departing from Baltimore during the month July is also very affordable. Most momondo users find prices during this month for around $327.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Baltimore to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $388. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $473. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $339. Flights at noon are often more expensive with an average ticket price of $472.
What is the cheapest Baltimore/Washington to San Diego flight route?
Fly from Baltimore/Washington to San Diego for the best Baltimore/Washington - San Diego flight prices
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from Baltimore when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $408 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Baltimore for as low as $318 on momondo.
What cabin class options are available on Baltimore/Washington to San Diego flights?
There are 1 cabin classes available to choose from on Baltimore/Washington to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Baltimore/Washington to San Diego?
Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from Baltimore/Washington to San Diego
What airlines fly to San Diego?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to San Diego from Baltimore according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 8 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
How many flights depart from Baltimore to San Diego on average per day?
The number of flights available between Baltimore and San Diego is 2 per day as of May 2025. The most frequent departure time is 6:00AM, with 43% of daily flights leaving at noon.
How many flights depart from Baltimore to San Diego on average per week?
As of May 2025, 19 flights take off from Baltimore and land in San Diego each week. The most common flight departure day for this route is Mon, with 26% of weekly flights taking off on this day.
When to book flights from Baltimore to San Diego
Cheap Baltimore to San Diego (BWI to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Baltimore to San Diego
How far is Baltimore/Washington to San Diego by plane?
The straight-line distance from Baltimore/Washington to San Diego is 2290.1 mi. Typically, this will take 5h 25m by plane in normal conditions.
When did momondo last update prices for flights from Baltimore/Washington Airport to San Diego Airport?
Prices for flights from Baltimore/Washington Airport to San Diego Airport refresh daily.
How many operators does momondo search for flights from Baltimore/Washington Airport to San Diego Airport?
As of May 2025, there are 7 operators available to choose from for flights from Baltimore/Washington Airport to San Diego Airport.
How old do you have to be to fly from Baltimore/Washington Airport to San Diego Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Baltimore to San Diego?
momondo data reveals that the most frequently booked plane model on the route from Baltimore to San Diego is Boeing 737 MAX 9, representing 16.40% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 14.95%, Boeing 737 MAX 8 at 13.83%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 12.33%.
What is the most popular airline from Baltimore to San Diego?
momondo data reveals that the most frequently booked airline on the route from Baltimore to San Diego is Spirit Airlines, representing 36% of all bookings. The subsequent popular airlines are Southwest at 34%, Delta at 10%, and American Airlines at 9%.
Best airlines flying from Baltimore to San Diego
Compare and see reviews for airlines that fly from Baltimore to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $104 | Free Cancellation | Rating 5.9 3,289 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 6.3 7,974 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $211 | Free Cancellation | Rating 8.0 9,994 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,944 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 7.4 8,710 reviews | |||
| PriceFrom $327 | Free Cancellation | Rating 8.0 4,293 reviews |
Southwest Flights From Baltimore to San Diego
The lowest priced Southwest flight from Baltimore to San Diego from the last 72 hours was $327. Generally, Southwest has 19 flights on this route every week with an average price of $523. Southwest is rated 8.0/10 by our users.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Baltimore to San Diego?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to San Diego. momondo saves you time and could save you money on your trip.
Can I find flights from Baltimore to San Diego with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Diego from Baltimore with this policy.
How can momondo help me find flights from Baltimore to San Diego?
momondo provides multiple filters to help you find the best flight to San Diego from Baltimore. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Baltimore to San Diego right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Baltimore and alert you when they change.