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Cheap flights from San Diego to Washington, D.C. from $48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Washington, D.C. departing on 9/16. 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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Find the cheapest flights from San Diego to Washington, D.C.

Cheap round-trip flights

Spirit Airlines Logo
1:35 pm - 4:30 amSAN-BWI
11h 55m1 stop
Spirit Airlines Logo
8:16 am - 6:42 pmBWI-SAN
13h 26m1 stop
$97Spirit Airlines
Find Deal
Tue, Sep 9 - Sat, Sep 13
Spirit Airlines Logo
1:17 pm - 5:15 amSAN-BWI
12h 58m1 stop
Spirit Airlines Logo
8:16 am - 6:42 pmBWI-SAN
13h 26m1 stop
$98Spirit Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
Spirit Airlines Logo
1:35 pm - 4:30 amSAN-BWI
11h 55m1 stop
Spirit Airlines Logo
7:02 pm - 11:34 pmBWI-SAN
7h 32m1 stop
$100Spirit Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
Spirit Airlines Logo
7:01 pm - 9:02 amSAN-BWI
11h 01m2 stops
Spirit Airlines Logo
8:16 am - 6:42 pmBWI-SAN
13h 26m1 stop
$111Spirit Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
Spirit Airlines Logo
1:35 pm - 4:30 amSAN-BWI
11h 55m1 stop
Spirit Airlines Logo
5:45 am - 7:29 amBWI-SAN
28h 44m2 stops
$122Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Spirit Airlines Logo
1:35 pm - 4:30 amSAN-BWI
11h 55m1 stop
Spirit Airlines Logo
5:45 am - 7:29 amBWI-SAN
28h 44m2 stops
$123Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Spirit Airlines Logo
6:15 am - 7:01 amSAN-BWI
21h 46m2 stops
Spirit Airlines Logo
8:16 am - 6:42 pmBWI-SAN
13h 26m1 stop
$124Spirit Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10
Logo
6:25 am - 5:44 pmSAN-BWI
8h 19m1 stop
Logo
8:16 am - 6:42 pmBWI-SAN
13h 26m1 stop
$150
Find Deal
Thu, Aug 28 - Sat, Sep 6
Frontier Logo
6:35 am - 5:42 pmSAN-BWI
8h 07m1 stop
Frontier Logo
6:27 pm - 11:09 amBWI-SAN
19h 42m1 stop
$166Frontier
Find Deal
Fri, Sep 5 - Sun, Sep 7
Frontier Logo
6:35 am - 5:42 pmSAN-BWI
8h 07m1 stop
Frontier Logo
6:27 pm - 11:09 amBWI-SAN
19h 42m1 stop
$167Frontier
Find Deal
Fri, Sep 5 - Sun, Sep 7

Spirit Airlines flights from San Diego to Baltimore

Our best Spirit Airlines deals on San Diego to Baltimore flight tickets
Spirit Airlines
Sep 9
SAN1:35 pmSan Diego
11h 55m
1 stop
BWI4:30 amBaltimore/Washington
Sep 13
BWI8:16 amBaltimore/Washington
13h 26m
1 stop
SAN6:42 pmSan Diego
$97
Find similar
Spirit Airlines
Sep 3
SAN1:17 pmSan Diego
12h 58m
1 stop
BWI5:15 amBaltimore/Washington
Sep 9
BWI8:16 amBaltimore/Washington
13h 26m
1 stop
SAN6:42 pmSan Diego
$98
Find similar
Spirit Airlines
Sep 10
SAN1:35 pmSan Diego
11h 55m
1 stop
BWI4:30 amBaltimore/Washington
Sep 17
BWI7:02 pmBaltimore/Washington
7h 32m
1 stop
SAN11:34 pmSan Diego
$100
Find similar

Frontier flights from San Diego to Baltimore

Our best Frontier deals on San Diego to Baltimore flight tickets
Frontier
Sep 5
SAN6:35 amSan Diego
8h 07m
1 stop
BWI5:42 pmBaltimore/Washington
Sep 7
BWI6:27 pmBaltimore/Washington
19h 42m
1 stop
SAN11:09 amSan Diego
$166
Find similar
Frontier
Sep 5
SAN6:35 amSan Diego
8h 07m
1 stop
BWI5:42 pmBaltimore/Washington
Sep 7
BWI6:27 pmBaltimore/Washington
19h 42m
1 stop
SAN11:09 amSan Diego
$167
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Baltimore 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 August 14, 2025.
Use the filters below to find and compare flights from San Diego to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 9/9

1:35 pm-4:30 am

1 stop11h 55m

Baltimore/Washington

Sat 9/13

8:16 am-6:42 pm

1 stop13h 26m

$97

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 9/3

1:17 pm-5:15 am

1 stop12h 58m

Baltimore/Washington

Tue 9/9

8:16 am-6:42 pm

1 stop13h 26m

$98

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 9/10

1:35 pm-4:30 am

1 stop11h 55m

Baltimore/Washington

Wed 9/17

7:02 pm-11:34 pm

1 stop7h 32m

$100

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 9/3

7:01 pm-9:02 am

2 stops11h 01m

Baltimore/Washington

Tue 9/9

8:16 am-6:42 pm

1 stop13h 26m

$111

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 9/9

1:35 pm-4:30 am

1 stop11h 55m

Baltimore/Washington

Tue 9/16

5:45 am-7:29 am

2 stops28h 44m

$122

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 9/9

1:35 pm-4:30 am

1 stop11h 55m

Baltimore/Washington

Tue 9/16

5:45 am-7:29 am

2 stops28h 44m

$123

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Sat 9/6

6:15 am-7:01 am

2 stops21h 46m

Baltimore/Washington

Wed 9/10

8:16 am-6:42 pm

1 stop13h 26m

$124

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 8/28

6:25 am-5:44 pm

1 stop8h 19m

Baltimore/Washington

Sat 9/6

8:16 am-6:42 pm

1 stop13h 26m

$150

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Fri 9/5

6:35 am-5:42 pm

1 stop8h 07m

Baltimore/Washington

Sun 9/7

6:27 pm-11:09 am

1 stop19h 42m

$166

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Fri 9/5

6:35 am-5:42 pm

1 stop8h 07m

Baltimore/Washington

Sun 9/7

6:27 pm-11:09 am

1 stop19h 42m

$167

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 Washington, D.C. from

How to get the cheapest flight ticket from San Diego to Baltimore

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 Baltimore?

If you’re not able to fly to Baltimore in August, then September is your next best option. Flight prices from San Diego to Baltimore during September average around $358.

What is the cheapest day to depart on your flight to Baltimore?

The cheapest day to depart from San Diego to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $440. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $531. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

What is the cheapest time of day to depart on your flight to Baltimore?

Flying to Baltimore from San Diego in the evening is the least expensive time of day to depart. momondo users have found prices as low as $439 when looking at flights departing in the evening. Flights in the afternoon are often more expensive with an average ticket price of $555.

What is the cheapest San Diego to Baltimore/Washington flight route?

Fly from San Diego to Baltimore/Washington for the best San Diego - Baltimore/Washington flight prices

How far in advance should I book a flight to Baltimore?

You are more likely to see cheaper flights to Baltimore from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from San Diego for as low as $237 on momondo.

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

There are 1 cabin classes available to choose from on San Diego to Baltimore/Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2025, prices for San Diego to Baltimore flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Baltimore

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

Cheap San Diego to Baltimore (SAN to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Baltimore

Best Price Found

$48

Fastest flight time

7h 07m

Direct flights

Every day

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from San Diego in the past 72 hours is $48. The best round-trip flight deal from San Diego to Baltimore found on momondo in the last 72 hours is $97.
The fastest flight from San Diego to Baltimore takes 7h 07m
Direct flights go from San Diego to Baltimore every day.
There is 1 airport near Baltimore: Baltimore/Washington (BWI)
Search flight deals

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

    The distance between San Diego and Baltimore/Washington is about 2290.1 mi. 7h 14m is a normal flight duration for this route.

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

    Prices for flights from San Diego Airport to Baltimore/Washington Airport are updated daily.

  • How many operators does momondo search for flights from San Diego Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from San Diego Airport to Baltimore/Washington 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 San Diego Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from San Diego to Baltimore

Compare and see reviews for airlines that fly from San Diego to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $145Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
8.0
7,980 reviews
Search Delta flights
SouthwestPriceFrom $333Free CancellationRating
8.0
4,244 reviews
Search Southwest flights

  • Southwest Flights From San Diego to Baltimore

    The lowest priced Southwest flight from San Diego to Baltimore from the last 72 hours was $333. Generally, Southwest has 20 flights on this route every week with an average price of $488. Southwest is rated 8.0/10 by our users.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Baltimore. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from San Diego to Baltimore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between San Diego and Baltimore by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of San Diego to Baltimore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Baltimore trip

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