Which layover airport has the shortest connection time from Baltimore to San Diego?

Houston (IAH) has the shortest average layover time for this route: 1h 13m.

Which layover airport has the shortest travel time from Baltimore to San Diego?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 7h 55m.

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 October 2025. The most frequent departure time is 3:00PM, with 47% of daily flights leaving at noon.

Which layover airport offers the lowest fares from Baltimore to San Diego?

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $314.

Which airport is the most popular layover for flights between Baltimore and San Diego?

Las Vegas (LAS) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

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 38% 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.

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

Frontier, Southwest, and United Airlines 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 October 2025, 22 flights take off from Baltimore and land in San Diego each week. The most common flight departure day for this route is Tue, with 23% of weekly flights taking off on this day.

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 October 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.

$83 Cheap Flights from Baltimore to San Diego in 2025/26

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9:13 am - 12:07 pmBWI-SAN

29h 54m2 stops

3:59 pm - 4:55 amSAN-BWI

9h 56m1 stop

$193Multiple Airlines

Find Deal

Mon, Nov 10 - Thu, Nov 13

6:00 am - 12:35 pmBWI-SAN

9h 35m1 stop

5:47 pm - 10:20 amSAN-BWI

13h 33m2 stops

$195Multiple Airlines

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Thu, Nov 13 - Mon, Nov 17

6:00 am - 12:35 pmBWI-SAN

9h 35m1 stop

6:41 am - 3:07 pmSAN-BWI

29h 26m2 stops

$203Multiple Airlines

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Thu, Nov 13 - Sun, Nov 16

6:00 am - 12:35 pmBWI-SAN

9h 35m1 stop

3:59 pm - 5:24 amSAN-BWI

10h 25m1 stop

$209Multiple Airlines

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Fri, Nov 14 - Mon, Nov 17

6:00 am - 12:35 pmBWI-SAN

9h 35m1 stop

6:52 pm - 7:31 pmSAN-BWI

21h 39m1 stop

$211Multiple Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 24

12:35 pm - 3:15 pmBWI-SAN

5h 40mnonstop

9:45 pm - 5:35 amSAN-BWI

4h 50mnonstop

$257Southwest

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Wed, Dec 10 - Tue, Dec 16

1:50 pm - 5:55 pmBWI-SAN

7h 05m1 stop

9:45 pm - 5:35 amSAN-BWI

4h 50mnonstop

$263Southwest

Find Deal

Sat, Nov 15 - Wed, Dec 3

6:22 pm - 11:14 pmBWI-SAN

7h 52m1 stop

7:07 pm - 5:58 amSAN-BWI

7h 51m1 stop

$277Delta

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Sat, Nov 8 - Tue, Nov 11

7:00 am - 3:06 pmBWI-SAN

11h 06m1 stop

4:25 pm - 5:40 amSAN-BWI

10h 15m1 stop

$305Alaska Airlines

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Thu, Dec 11 - Tue, Dec 16

10:20 am - 5:35 pmBWI-SAN

10h 15m2 stops

6:55 pm - 5:24 amSAN-BWI

7h 29m1 stop

$306United Airlines

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Wed, Dec 17 - Mon, Dec 22

Southwest flights from Baltimore to San Diego

Our best Southwest deals on Baltimore to San Diego flight tickets

Southwest

Dec 10

BWI12:35 pmBaltimore/Washington

5h 40m

SAN3:15 pmSan Diego

Dec 16

SAN9:45 pmSan Diego

4h 50m

BWI5:35 amBaltimore/Washington

$257

Find similar

Southwest

Nov 15

BWI1:50 pmBaltimore/Washington

7h 05m

1 stop

SAN5:55 pmSan Diego

Dec 3

SAN9:45 pmSan Diego

4h 50m

BWI5:35 amBaltimore/Washington

$263

Find similar

Southwest

Nov 10

BWI6:20 amBaltimore/Washington

5h 45m

SAN9:05 amSan Diego

Nov 15

SAN7:00 amSan Diego

4h 55m

BWI2:55 pmBaltimore/Washington

$267

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United Airlines flights from Baltimore to San Diego

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

United Airlines

Dec 17

BWI10:20 amBaltimore/Washington

10h 15m

2 stops

SAN5:35 pmSan Diego

Dec 22

SAN6:55 pmSan Diego

7h 29m

1 stop

BWI5:24 amBaltimore/Washington

$306

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United Airlines

Oct 28

BWI4:12 pmBaltimore/Washington

7h 42m

1 stop

SAN8:54 pmSan Diego

Nov 4

SAN10:51 amSan Diego

7h 33m

1 stop

BWI9:24 pmBaltimore/Washington

$333

Find similar

United Airlines

Oct 28

BWI4:12 pmBaltimore/Washington

7h 42m

1 stop

SAN8:54 pmSan Diego

Nov 4

SAN11:02 amSan Diego

8h 55m

2 stops

BWI10:57 pmBaltimore/Washington

$339

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Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Mon 11/10

9:13 am-12:07 pm

2 stops29h 54m

San Diego

Thu 11/13

3:59 pm-4:55 am

1 stop9h 56m

$193

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 11/13

6:00 am-12:35 pm

1 stop9h 35m

San Diego

Mon 11/17

5:47 pm-10:20 am

2 stops13h 33m

$195

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 11/13

6:00 am-12:35 pm

1 stop9h 35m

San Diego

Sun 11/16

6:41 am-3:07 pm

2 stops29h 26m

$203

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Fri 11/14

6:00 am-12:35 pm

1 stop9h 35m

San Diego

Mon 11/17

3:59 pm-5:24 am

1 stop10h 25m

$209

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 11/13

6:00 am-12:35 pm

1 stop9h 35m

San Diego

Mon 11/24

6:52 pm-7:31 pm

1 stop21h 39m

$211

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Wed 12/10

12:35 pm-3:15 pm

Nonstop5h 40m

San Diego

Tue 12/16

9:45 pm-5:35 am

Nonstop4h 50m

$257

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sat 11/15

1:50 pm-5:55 pm

1 stop7h 05m

San Diego

Wed 12/3

9:45 pm-5:35 am

Nonstop4h 50m

$263

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Sat 11/8

6:22 pm-11:14 pm

1 stop7h 52m

San Diego

Tue 11/11

7:07 pm-5:58 am

1 stop7h 51m

$277

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Thu 12/11

7:00 am-3:06 pm

1 stop11h 06m

San Diego

Tue 12/16

4:25 pm-5:40 am

1 stop10h 15m

$305

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

Wed 12/17

10:20 am-5:35 pm

2 stops10h 15m

San Diego

Mon 12/22

6:55 pm-5:24 am

1 stop7h 29m

$306

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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

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of July, then departing from Baltimore during the month May is also very affordable. Most momondo users find prices during this month for around $374.

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 $391. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $475. 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 $485.

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 $438 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 $378 on momondo.

What cabin class options are available on Baltimore/Washington to San Diego flights?

There is only 1 cabin class 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.

Can stopping save me money on Baltimore to San Diego flights?

No. A direct flight is the cheapest option for a flight between Baltimore to San Diego.

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

As of October 2025, prices for Baltimore to San Diego flights are approximately 14% more expensive 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	$153
Fastest flight time	5h 30m
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 $153. The best round-trip flight deal from Baltimore to San Diego found on momondo in the last 72 hours is $272.

The fastest flight from Baltimore to San Diego takes 5h 30m

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 5h 40m 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 October 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 737-800 Passenger/BBJ2 (winglets), representing 26.83% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 21.65%, Boeing 737 MAX 9 at 18.83%, and Boeing 737-900 at 12.18%.
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 58% of all bookings. The subsequent popular airlines are Spirit Airlines at 13%, American Airlines at 8%, and Delta 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 $130	Free Cancellation	Rating 5.8 3,137 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $131	Free Cancellation	Rating 6.3 8,099 reviews	Search Spirit Airlines flights
Alaska Airlines	PriceFrom $211	Free Cancellation	Rating 8.0 11,102 reviews	Search Alaska Airlines flights
Delta	PriceFrom $260	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
American Airlines	PriceFrom $260	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $276	Free Cancellation	Rating 7.4 8,982 reviews	Search United Airlines flights
Southwest	PriceFrom $280	Free Cancellation	Rating 8.0 4,240 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 $280. Generally, Southwest has 22 flights on this route every week with an average price of $470. Southwest is rated 8.0/10 by our users.

Coronado

Chula Vista

El Cajon

Julian

National City

La Mesa

Imperial Beach

Poway

San Ysidro

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.

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Cheap flights from Baltimore to San Diego from $83

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 11/13. 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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Use the filters below to find and compare flights from Baltimore to San Diego that are best for you.

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 July, then departing from Baltimore during the month May is also very affordable. Most momondo users find prices during this month for around $374.

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 $485.

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 is only 1 cabin class 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.

Can stopping save me money on Baltimore to San Diego flights?

No. A direct flight is the cheapest option for a flight between Baltimore to San Diego.

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

As of October 2025, prices for Baltimore to San Diego flights are approximately 14% more expensive when compared to flights at the same time last year.

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

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

What airlines fly to San Diego?

Which airport is the most popular layover for flights between Baltimore and San Diego?

Las Vegas (LAS) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Baltimore to San Diego?

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $314.

Which layover airport has the shortest travel time from Baltimore to San Diego?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 7h 55m.

Which layover airport has the shortest connection time from Baltimore to San Diego?

Houston (IAH) has the shortest average layover time for this route: 1h 13m.

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 October 2025. The most frequent departure time is 3:00PM, with 47% of daily flights leaving at noon.

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

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

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.