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Cheap flights from San Diego to Washington, D.C. from $79

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 2/25. 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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Cheap round-trip flights

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Multiple Airlines Logo
9:45 am - 11:17 am
SAN
-
BWI
22h 32m
1 stop
Multiple Airlines Logo
12:30 pm - 1:57 pm
BWI
-
SAN
28h 27m
2 stops
$197Multiple Airlines
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
6:25 am - 12:31 am
SAN
-
BWI
15h 06m
2 stops
Frontier Logo
12:17 pm - 8:55 am
BWI
-
SAN
23h 38m
1 stop
$212Frontier
Thu, Feb 26 - Sun, Mar 1
American Airlines Logo
1:37 pm - 11:59 pm
SAN
-
BWI
7h 22m
1 stop
American Airlines Logo
6:00 am - 10:57 am
BWI
-
SAN
7h 57m
1 stop
$218American Airlines
Sat, Feb 14 - Tue, Feb 17
Frontier Logo
6:25 am - 9:10 am
SAN
-
BWI
23h 45m
2 stops
Frontier Logo
11:49 am - 9:35 pm
BWI
-
SAN
12h 46m
1 stop
$229Frontier
Tue, Mar 31 - Sat, Apr 4
Southwest Logo
7:05 am - 2:55 pm
SAN
-
BWI
4h 50mnonstop
Southwest Logo
7:35 pm - 10:30 pm
BWI
-
SAN
5h 55mnonstop
$237Southwest
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
7:11 am - 12:31 am
SAN
-
BWI
14h 20m
2 stops
Frontier Logo
12:12 pm - 8:50 am
BWI
-
SAN
23h 38m
1 stop
$241Frontier
Tue, Feb 24 - Thu, Feb 26
United Airlines Logo
11:30 am - 11:25 pm
SAN
-
BWI
8h 55m
1 stop
United Airlines Logo
10:30 am - 5:29 pm
BWI
-
SAN
9h 59m
2 stops
$242United Airlines
Wed, Feb 18 - Wed, Mar 4
Southwest Logo
9:45 pm - 5:30 am
SAN
-
BWI
4h 45mnonstop
Southwest Logo
10:25 am - 4:45 pm
BWI
-
SAN
9h 20m
1 stop
$248Southwest
Wed, Feb 18 - Wed, Mar 4
Southwest Logo
6:50 am - 4:05 pm
SAN
-
BWI
6h 15m
1 stop
Southwest Logo
8:15 am - 11:05 am
BWI
-
SAN
5h 50mnonstop
$253Southwest
Tue, Mar 17 - Tue, Mar 24
Frontier Logo
6:25 am - 12:31 am
SAN
-
BWI
15h 06m
2 stops
Frontier Logo
12:17 pm - 8:55 am
BWI
-
SAN
23h 38m
1 stop
$254Frontier
Thu, Feb 19 - Sun, Feb 22

Frontier flights from San Diego to Baltimore

Our best Frontier deals on San Diego to Baltimore flight tickets
Frontier
Feb 26
SAN6:25 amSan Diego
15h 06m
2 stops
BWI12:31 amBaltimore/Washington
Mar 1
BWI12:17 pmBaltimore/Washington
23h 38m
1 stop
SAN8:55 amSan Diego
$212
Frontier
Mar 31
SAN6:25 amSan Diego
23h 45m
2 stops
BWI9:10 amBaltimore/Washington
Apr 4
BWI11:49 amBaltimore/Washington
12h 46m
1 stop
SAN9:35 pmSan Diego
$229
Frontier
Feb 24
SAN7:11 amSan Diego
14h 20m
2 stops
BWI12:31 amBaltimore/Washington
Feb 26
BWI12:12 pmBaltimore/Washington
23h 38m
1 stop
SAN8:50 amSan Diego
$241

United Airlines flights from San Diego to Baltimore

Our best United Airlines deals on San Diego to Baltimore flight tickets
United Airlines
Feb 18
SAN11:30 amSan Diego
8h 55m
1 stop
BWI11:25 pmBaltimore/Washington
Mar 4
BWI10:30 amBaltimore/Washington
9h 59m
2 stops
SAN5:29 pmSan Diego
$242
United Airlines
Mar 17
SAN11:03 amSan Diego
9h 09m
2 stops
BWI11:12 pmBaltimore/Washington
Mar 24
BWI8:02 amBaltimore/Washington
7h 55m
1 stop
SAN12:57 pmSan Diego
$262
United Airlines
Feb 26
SAN11:05 amSan Diego
9h 20m
2 stops
BWI11:25 pmBaltimore/Washington
Mar 3
BWI12:37 pmBaltimore/Washington
8h 56m
1 stop
SAN6:33 pmSan Diego
$281

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 January 21, 2026.
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

Wed 2/25

9:45 am-11:17 am

1 stop22h 32m

Baltimore/Washington

Sat 2/28

12:30 pm-1:57 pm

2 stops28h 27m

$197

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 2/26

6:25 am-12:31 am

2 stops15h 06m

Baltimore/Washington

Sun 3/1

12:17 pm-8:55 am

1 stop23h 38m

$212

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Sat 2/14

1:37 pm-11:59 pm

1 stop7h 22m

Baltimore/Washington

Tue 2/17

6:00 am-10:57 am

1 stop7h 57m

$218

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 3/31

6:25 am-9:10 am

2 stops23h 45m

Baltimore/Washington

Sat 4/4

11:49 am-9:35 pm

1 stop12h 46m

$229

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 2/25

7:05 am-2:55 pm

Nonstop4h 50m

Baltimore/Washington

Sat 2/28

7:35 pm-10:30 pm

Nonstop5h 55m

$237

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 2/24

7:11 am-12:31 am

2 stops14h 20m

Baltimore/Washington

Thu 2/26

12:12 pm-8:50 am

1 stop23h 38m

$241

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 2/18

11:30 am-11:25 pm

1 stop8h 55m

Baltimore/Washington

Wed 3/4

10:30 am-5:29 pm

2 stops9h 59m

$242

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Wed 2/18

9:45 pm-5:30 am

Nonstop4h 45m

Baltimore/Washington

Wed 3/4

10:25 am-4:45 pm

1 stop9h 20m

$248

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Tue 3/17

6:50 am-4:05 pm

1 stop6h 15m

Baltimore/Washington

Tue 3/24

8:15 am-11:05 am

Nonstop5h 50m

$253

San DiegoBaltimore

SAN - BWI

SANBWI

San Diego

Thu 2/19

6:25 am-12:31 am

2 stops15h 06m

Baltimore/Washington

Sun 2/22

12:17 pm-8:55 am

1 stop23h 38m

$254

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 October is your next best option. Flight prices from San Diego to Baltimore during October average around $357.

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 $402. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $479. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $387 when looking at flights departing in the afternoon. Flights at noon are often more expensive with an average ticket price of $509.

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 $405 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 is only 1 cabin class 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.

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

You could potentially save up to 25% on your flight if you consider stops on a San Diego to Baltimore flight.

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

As of January 2026, prices for San Diego to Baltimore flights are approximately 28% more expensive 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

$188

Fastest flight time

4h 45m

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 $188. The best round-trip flight deal from San Diego to Baltimore found on momondo in the last 72 hours is $317.
The fastest flight from San Diego to Baltimore takes 4h 45m
Direct flights go from San Diego to Baltimore every day.
There is 1 airport in Baltimore. From San Diego there are direct flights to 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. 4h 45m 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
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
8,364 reviews
Search Spirit Airlines flights
FrontierPriceFrom $117Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $197Free CancellationRating
8.0
11,775 reviews
Search Alaska Airlines flights
DeltaPriceFrom $229Free CancellationRating
7.9
8,088 reviews
Search Delta flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights
SouthwestPriceFrom $289Free CancellationRating
8.0
4,266 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 $289. Generally, Southwest has 21 flights on this route every week with an average price of $458. 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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