How many flights depart from Baltimore to San Diego on average per day?

The number of flights available between Baltimore and San Diego is 3 per day as of July 2025. The most frequent departure time is 6:00AM, with 57% of daily flights leaving at noon.

What is the cheapest airline that flies from Baltimore/Washington to San Diego?

Spirit Airlines and Southwest are the most popular carriers operating from Baltimore/Washington to San Diego

How many flights depart from Baltimore to San Diego on average per week?

As of July 2025, 23 flights take off from Baltimore and land in San Diego each week. The most common flight departure day for this route is Mon, with 22% of weekly flights taking off on this day.

What airlines fly to San Diego?

United Airlines, Southwest and American Airlines 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 41% 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.

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 July 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.

$70 Cheap Flights from Baltimore to San Diego in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Baltimore to San Diego

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:22 pm - 7:24 amBWI-SAN

16h 02m1 stop

1:34 pm - 4:30 amSAN-BWI

11h 56m1 stop

$140Spirit Airlines

Find Deal

Fri, Sep 12 - Tue, Sep 16

8:09 am - 5:56 pmBWI-SAN

12h 47m1 stop

1:17 pm - 5:15 amSAN-BWI

12h 58m1 stop

$141Spirit Airlines

Find Deal

Sat, Aug 16 - Wed, Aug 20

8:09 am - 5:56 pmBWI-SAN

12h 47m1 stop

6:15 am - 5:17 pmSAN-BWI

8h 02m1 stop

$148Spirit Airlines

Find Deal

Thu, Aug 28 - Wed, Sep 24

6:15 pm - 11:06 pmBWI-SAN

7h 51m1 stop

3:57 pm - 6:05 amSAN-BWI

11h 08m1 stop

$151Spirit Airlines

Find Deal

Wed, Jul 30 - Tue, Aug 5

8:09 am - 5:56 pmBWI-SAN

12h 47m1 stop

7:01 pm - 9:09 amSAN-BWI

11h 08m2 stops

$160Spirit Airlines

Find Deal

Sat, Aug 16 - Wed, Aug 20

6:15 pm - 11:06 pmBWI-SAN

7h 51m1 stop

7:00 pm - 6:05 amSAN-BWI

8h 05m1 stop

$161Spirit Airlines

Find Deal

Mon, Aug 4 - Sat, Aug 9

6:22 pm - 11:24 pmBWI-SAN

8h 02m1 stop

1:34 pm - 4:30 amSAN-BWI

11h 56m1 stop

$162Spirit Airlines

Find Deal

Wed, Sep 10 - Tue, Sep 16

8:30 pm - 7:21 amBWI-SAN

13h 51m1 stop

7:01 pm - 5:15 amSAN-BWI

7h 14m1 stop

$163Spirit Airlines

Find Deal

Thu, Aug 21 - Sun, Aug 24

8:09 am - 5:56 pmBWI-SAN

12h 47m1 stop

7:01 pm - 5:15 amSAN-BWI

7h 14m1 stop

$164Spirit Airlines

Find Deal

Sat, Aug 16 - Tue, Aug 19

8:09 am - 5:56 pmBWI-SAN

12h 47m1 stop

7:01 pm - 9:09 amSAN-BWI

11h 08m2 stops

$165Spirit Airlines

Find Deal

Sat, Aug 16 - Wed, Aug 20

Spirit Airlines flights from Baltimore to San Diego

Our best Spirit Airlines deals on Baltimore to San Diego flight tickets

Spirit Airlines

Sep 12

BWI6:22 pmBaltimore/Washington

16h 02m

1 stop

SAN7:24 amSan Diego

Sep 16

SAN1:34 pmSan Diego

11h 56m

1 stop

BWI4:30 amBaltimore/Washington

$140

Find similar

Spirit Airlines

Aug 16

BWI8:09 amBaltimore/Washington

12h 47m

1 stop

SAN5:56 pmSan Diego

Aug 20

SAN1:17 pmSan Diego

12h 58m

1 stop

BWI5:15 amBaltimore/Washington

$141

Find similar

Spirit Airlines

Aug 28

BWI8:09 amBaltimore/Washington

12h 47m

1 stop

SAN5:56 pmSan Diego

Sep 24

SAN6:15 amSan Diego

8h 02m

1 stop

BWI5:17 pmBaltimore/Washington

$148

Find similar

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

Prices

Airlines

Other information

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 $354.

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 Tuesday. Travelers who choose to depart for San Diego on a Tuesday 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 $477.

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 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $436 when searching 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 $321 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.

How have Baltimore to San Diego flight prices changed over time?

As of July 2025, prices for Baltimore to San Diego flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Baltimore to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Best Price Found	$70
Fastest flight time	5h 20m
Direct flights	Every day
Airports in San Diego	1 airport

The best one-way flight to San Diego from Baltimore in the past 72 hours is $70. The best round-trip flight deal from Baltimore to San Diego found on momondo in the last 72 hours is $140.

The fastest flight from Baltimore to San Diego takes 5h 20m

Direct flights go from Baltimore to San Diego every day.

There is 1 airport near San Diego: San Diego (SAN)

Search flight deals

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 7h 51m 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 July 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 737-700 Passenger/BBJ1 (winglets), representing 19.21% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 18.33%, Boeing 737 MAX 9 at 18.24%, and Boeing 737 MAX 8 at 14.01%.
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 Southwest, representing 49% of all bookings. The subsequent popular airlines are Spirit Airlines at 22%, Delta at 8%, and American Airlines at 8%.

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
Frontier	PriceFrom $89	Free Cancellation	Rating 5.9 3,256 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $120	Free Cancellation	Rating 6.3 8,042 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $183	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $211	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $257	Free Cancellation	Rating 7.4 8,863 reviews	Search United Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 8.0 7,957 reviews	Search Delta flights
Southwest	PriceFrom $307	Free Cancellation	Rating 8.0 4,241 reviews	Search Southwest flights

Southwest Flights From Baltimore to San Diego
The lowest priced Southwest flight from Baltimore to San Diego from the last 72 hours was $307. Generally, Southwest has 18 flights on this route every week with an average price of $501. Southwest is rated 8.0/10 by our users.
United Airlines Flights From Baltimore to San Diego
United Airlines (7.4/10 from 8,863 reviews) operates around 5 flights from Baltimore to San Diego in any given week. The average United Airlines airfare for this route is around $476, with deals from around $257 rare but found on momondo. Referenced prices are for round-trip Baltimore to San Diego flight searches in the last 72 hours.

Coronado

El Cajon

Chula Vista

Julian

National City

La Mesa

Imperial Beach

San Ysidro

Poway

Borrego Springs

Lemon Grove

Alpine

Santee

Why 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.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 7/21

Mon 7/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Popular cities in the United States

Flights to New Yorkfrom $50

Flights to Los Angelesfrom $47

Flights to Miamifrom $37

Flights to Chicagofrom $48

Flights to Las Vegasfrom $6

Flights to Orlandofrom $68

Flights to San Franciscofrom $59

Flights to Washington, D.C.from $50

Flights to Bostonfrom $55

Flights to Dallasfrom $63

Flights to Atlantafrom $49

Flights to Seattlefrom $81

Cheap flights from Baltimore to San Diego from $70

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 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Baltimore to San Diego

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Baltimore to San Diego

Our best Spirit Airlines deals on Baltimore to San Diego flight tickets

See travel insights to San Diego from

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 $354.

What is the cheapest day to depart on your flight 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 $477.

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?

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.

How have Baltimore to San Diego flight prices changed over time?

As of July 2025, prices for Baltimore to San Diego flights are approximately 31% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Baltimore/Washington to San Diego?

Spirit Airlines and Southwest are the most popular carriers operating from Baltimore/Washington to San Diego

What airlines fly to San Diego?

How many flights depart from Baltimore to San Diego on average per day?

The number of flights available between Baltimore and San Diego is 3 per day as of July 2025. The most frequent departure time is 6:00AM, with 57% of daily flights leaving at noon.

How many flights depart from Baltimore to San Diego on average per week?

As of July 2025, 23 flights take off from Baltimore and land in San Diego each week. The most common flight departure day for this route is Mon, with 22% 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

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

How far is Baltimore/Washington to San Diego by plane?

When did momondo last update prices for flights from Baltimore/Washington Airport to San Diego Airport?

How many operators does momondo search 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?

What documentation or ID do you need to fly to San Diego Airport?

What is the most popular plane model from Baltimore to San Diego?

What is the most popular airline from Baltimore to San Diego?

Best airlines flying from Baltimore to San Diego

Compare and see reviews for airlines that fly from Baltimore to San Diego with momondo

Southwest Flights From Baltimore to San Diego

United Airlines Flights From Baltimore to San Diego

Traveling to a place near San Diego?

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to San Diego?

Can I find flights from Baltimore to San Diego with flexible booking policies on momondo?

How can momondo help me find flights from Baltimore to San Diego?

I’m not ready to book a flight from Baltimore to San Diego right now. Can momondo alert me if prices change?

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California