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Cheap flights from Baltimore to San Diego from $76

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 4/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Baltimore to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:31 pm - 12:16 am
BWI
-
SAN
8h 45m
1 stop
Frontier Logo
6:55 am - 5:36 pm
SAN
-
BWI
7h 41m
1 stop
$268Frontier
vie., mar. 6 - lun., mar. 9
Frontier Logo
7:50 pm - 10:26 am
BWI
-
SAN
17h 36m
1 stop
Frontier Logo
7:11 am - 12:31 am
SAN
-
BWI
14h 20m
2 stops
$270Frontier
vie., feb. 20 - mar., feb. 24
United Airlines Logo
6:20 am - 11:38 am
BWI
-
SAN
8h 18m
1 stop
United Airlines Logo
12:55 pm - 11:12 pm
SAN
-
BWI
7h 17m
1 stop
$272United Airlines
jue., mar. 12 - mar., mar. 17
United Airlines Logo
4:10 pm - 11:40 pm
BWI
-
SAN
10h 30m
2 stops
United Airlines Logo
11:05 am - 11:25 pm
SAN
-
BWI
9h 20m
2 stops
$273United Airlines
sáb., feb. 21 - mar., feb. 24
American Airlines Logo
7:08 pm - 11:59 pm
BWI
-
SAN
7h 51m
1 stop
American Airlines Logo
1:12 pm - 10:55 pm
SAN
-
BWI
6h 43m
1 stop
$275American Airlines
jue., feb. 26 - mar., mar. 3
United Airlines Logo
6:31 pm - 12:14 am
BWI
-
SAN
8h 43m
1 stop
United Airlines Logo
6:15 am - 5:23 pm
SAN
-
BWI
8h 08m
1 stop
$276United Airlines
sáb., mar. 7 - vie., mar. 13
United Airlines Logo
12:40 pm - 6:33 pm
BWI
-
SAN
8h 53m
1 stop
United Airlines Logo
6:20 am - 5:08 pm
SAN
-
BWI
7h 48m
1 stop
$277United Airlines
mié., mar. 25 - mié., abr. 1
Delta Logo
5:40 am - 10:44 am
BWI
-
SAN
8h 04m
1 stop
Delta Logo
10:30 pm - 9:39 am
SAN
-
BWI
8h 09m
1 stop
$279Delta
mar., mar. 31 - mar., abr. 7
Southwest Logo
2:35 pm - 7:40 pm
BWI
-
SAN
8h 05m
1 stop
Southwest Logo
7:15 am - 6:15 pm
SAN
-
BWI
8h 00m
2 stops
$281Southwest
sáb., feb. 14 - sáb., feb. 21
United Airlines Logo
12:40 pm - 7:48 pm
BWI
-
SAN
10h 08m
2 stops
United Airlines Logo
6:15 am - 4:24 pm
SAN
-
BWI
7h 09m
1 stop
$282United Airlines
mié., mar. 25 - mié., abr. 1

Frontier flights from Baltimore to San Diego

Our best Frontier deals on Baltimore to San Diego flight tickets
Frontier
Mar 6
BWI6:31 pmBaltimore/Washington
8h 45m
1 stop
SAN12:16 amSan Diego
Mar 9
SAN6:55 amSan Diego
7h 41m
1 stop
BWI5:36 pmBaltimore/Washington
$268
Frontier
Feb 20
BWI7:50 pmBaltimore/Washington
17h 36m
1 stop
SAN10:26 amSan Diego
Feb 24
SAN7:11 amSan Diego
14h 20m
2 stops
BWI12:31 amBaltimore/Washington
$270
Frontier
Feb 8
BWI9:20 amBaltimore/Washington
13h 01m
2 stops
SAN7:21 pmSan Diego
Feb 11
SAN9:45 amSan Diego
22h 32m
1 stop
BWI11:17 amBaltimore/Washington
$272

United Airlines flights from Baltimore to San Diego

Our best United Airlines deals on Baltimore to San Diego flight tickets
United Airlines
Feb 21
BWI4:10 pmBaltimore/Washington
10h 30m
2 stops
SAN11:40 pmSan Diego
Feb 25
SAN11:05 amSan Diego
9h 20m
2 stops
BWI11:25 pmBaltimore/Washington
$273
United Airlines
Mar 25
BWI12:40 pmBaltimore/Washington
10h 08m
2 stops
SAN7:48 pmSan Diego
Apr 1
SAN6:15 amSan Diego
7h 09m
1 stop
BWI4:24 pmBaltimore/Washington
$282
United Airlines
Feb 11
BWI12:25 pmBaltimore/Washington
10h 29m
2 stops
SAN7:54 pmSan Diego
Feb 16
SAN6:10 pmSan Diego
9h 24m
1 stop
BWI6:34 amBaltimore/Washington
$302

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated enero 20, 2026.
Use the filters below to find and compare flights from Baltimore to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

vie. 3/6

6:31 pm-12:16 am

1 stop8h 45m

San Diego

lun. 3/9

6:55 am-5:36 pm

1 stop7h 41m

$268

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

vie. 2/20

7:50 pm-10:26 am

1 stop17h 36m

San Diego

mar. 2/24

7:11 am-12:31 am

2 stops14h 20m

$270

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

jue. 3/12

6:20 am-11:38 am

1 stop8h 18m

San Diego

mar. 3/17

12:55 pm-11:12 pm

1 stop7h 17m

$272

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

sáb. 2/21

4:10 pm-11:40 pm

2 stops10h 30m

San Diego

mar. 2/24

11:05 am-11:25 pm

2 stops9h 20m

$273

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

jue. 2/26

7:08 pm-11:59 pm

1 stop7h 51m

San Diego

mar. 3/3

1:12 pm-10:55 pm

1 stop6h 43m

$275

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

sáb. 3/7

6:31 pm-12:14 am

1 stop8h 43m

San Diego

vie. 3/13

6:15 am-5:23 pm

1 stop8h 08m

$276

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

mié. 3/25

12:40 pm-6:33 pm

1 stop8h 53m

San Diego

mié. 4/1

6:20 am-5:08 pm

1 stop7h 48m

$277

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

mar. 3/31

5:40 am-10:44 am

1 stop8h 04m

San Diego

mar. 4/7

10:30 pm-9:39 am

1 stop8h 09m

$279

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

sáb. 2/14

2:35 pm-7:40 pm

1 stop8h 05m

San Diego

sáb. 2/21

7:15 am-6:15 pm

2 stops8h 00m

$281

BaltimoreSan Diego

BWI - SAN

BWISAN

Baltimore/Washington

mié. 3/25

12:40 pm-7:48 pm

2 stops10h 08m

San Diego

mié. 4/1

6:15 am-4:24 pm

1 stop7h 09m

$282

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $373.

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 $380. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $464. 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 afternoon when flights can be purchased for as low as $392. Flights at noon are often more expensive with an average ticket price of $504.

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 $408 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 $357 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 January 2026, prices for Baltimore to San Diego flights are approximately 56% 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

$218

Fastest flight time

5h 15m

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 $218. The best round-trip flight deal from Baltimore to San Diego found on momondo in the last 72 hours is $327.
The fastest flight from Baltimore to San Diego takes 5h 15m
Direct flights go from Baltimore to San Diego every day.
There is 1 airport in San Diego. From Baltimore there are direct flights to 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 15m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $99Free CancellationRating
6.3
8,359 reviews
Search Spirit Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $211Free CancellationRating
8.0
11,764 reviews
Search Alaska Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,085 reviews
Search Delta flights
American AirlinesPriceFrom $260Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights
SouthwestPriceFrom $275Free CancellationRating
8.0
4,266 reviews
Search Southwest flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,189 reviews
Search United Airlines flights

  • Southwest Flights From Baltimore to San Diego

    The lowest priced Southwest flight from Baltimore to San Diego from the last 72 hours was $275. Generally, Southwest has 21 flights on this route every week with an average price of $423. 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 locations
Coronado
Chula Vista
El Cajon
Julian
Poway
National City
Imperial Beach
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
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
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