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.
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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
6:22 pm - 7:24 amBWI-SAN
16h 02m1 stop
Spirit Airlines Logo
1:34 pm - 4:30 amSAN-BWI
11h 56m1 stop
$140Spirit Airlines
Find Deal
Fri, Sep 12 - Tue, Sep 16
Spirit Airlines Logo
8:09 am - 5:56 pmBWI-SAN
12h 47m1 stop
Spirit Airlines Logo
1:17 pm - 5:15 amSAN-BWI
12h 58m1 stop
$141Spirit Airlines
Find Deal
Sat, Aug 16 - Wed, Aug 20
Spirit Airlines Logo
8:09 am - 5:56 pmBWI-SAN
12h 47m1 stop
Spirit Airlines Logo
6:15 am - 5:17 pmSAN-BWI
8h 02m1 stop
$148Spirit Airlines
Find Deal
Thu, Aug 28 - Wed, Sep 24
Spirit Airlines Logo
6:15 pm - 11:06 pmBWI-SAN
7h 51m1 stop
Spirit Airlines Logo
3:57 pm - 6:05 amSAN-BWI
11h 08m1 stop
$151Spirit Airlines
Find Deal
Wed, Jul 30 - Tue, Aug 5
Spirit Airlines Logo
8:09 am - 5:56 pmBWI-SAN
12h 47m1 stop
Spirit Airlines Logo
7:01 pm - 9:09 amSAN-BWI
11h 08m2 stops
$160Spirit Airlines
Find Deal
Sat, Aug 16 - Wed, Aug 20
Spirit Airlines Logo
6:15 pm - 11:06 pmBWI-SAN
7h 51m1 stop
Spirit Airlines Logo
7:00 pm - 6:05 amSAN-BWI
8h 05m1 stop
$161Spirit Airlines
Find Deal
Mon, Aug 4 - Sat, Aug 9
Spirit Airlines Logo
6:22 pm - 11:24 pmBWI-SAN
8h 02m1 stop
Spirit Airlines Logo
1:34 pm - 4:30 amSAN-BWI
11h 56m1 stop
$162Spirit Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 16
Spirit Airlines Logo
8:30 pm - 7:21 amBWI-SAN
13h 51m1 stop
Spirit Airlines Logo
7:01 pm - 5:15 amSAN-BWI
7h 14m1 stop
$163Spirit Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
Spirit Airlines Logo
8:09 am - 5:56 pmBWI-SAN
12h 47m1 stop
Spirit Airlines Logo
7:01 pm - 5:15 amSAN-BWI
7h 14m1 stop
$164Spirit Airlines
Find Deal
Sat, Aug 16 - Tue, Aug 19
Spirit Airlines Logo
8:09 am - 5:56 pmBWI-SAN
12h 47m1 stop
Spirit Airlines Logo
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
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
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

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?

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)

  • 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?

  • 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
FrontierPriceFrom $89Free CancellationRating
5.9
3,256 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $120Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $183Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $211Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
8,863 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
8.0
7,957 reviews
Search Delta flights
SouthwestPriceFrom $307Free CancellationRating
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.


Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
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.


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1 adult
Mon 7/21
Mon 7/28

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