Southwest® flights from San Diego to Baltimore/Washington from $149
Low fares from San Diego to Baltimore/Washington
$
San Diego (SAN)to
Baltimore/Washington (BWI)
Depart: 05/02/2026
One-way
Basic
From
$149
Seen: 7 hrs ago
San Diego (SAN)to
Baltimore/Washington (BWI)
Depart: 05/19/2026
One-way
Basic
From
$149
Seen: 2 hrs ago
San Diego (SAN)to
Baltimore/Washington (BWI)
Depart: 05/26/2026
One-way
Basic
From
$149
Seen: 4 hrs ago
San Diego (SAN)to
Baltimore/Washington (BWI)
Depart: 06/02/2026
One-way
Basic
From
$149
Seen: 23 hrs ago
San Diego (SAN)to
Baltimore/Washington (BWI)
Depart: 05/30/2026
One-way
Basic
From
$149
Seen: 9 hrs ago
San Diego (SAN)to
Baltimore/Washington (BWI)
Depart: 04/22/2026
One-way
Basic
From
$149
Seen: 21 hrs ago
Flight Details
Departing from:
San Diego International Airport
Arriving at:
Balt./Wash. International Airport
Average flight time:
5 hours 3 minutes
Distance:
2295 miles
Route Information
156† Weekly flights
- 3‡ Nonstop flights per day Monday through Friday
- 2‡ Nonstop flights on Saturday
- 3‡ Nonstop flights on Sunday
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
The average flight time from San Diego to Baltimore/Washington is 5 hours 3 minutes.
There are 156 weekly flights from San Diego to Baltimore/Washington on Southwest Airlines.
Yes, Southwest flies nonstop from San Diego to Baltimore/Washington 3 times per day from Monday through Friday.
Yes, Southwest flies nonstop from San Diego to Baltimore/Washington 2 times per day on Saturdays and 3 times per day on Sundays.
To find the lowest fares by day and time to fly San Diego to Baltimore/Washington with Southwest, check out our Low Fare Calendar.
You can rent a car at Balt./Wash. International Airport book yours with your flight.
Yes! Flights from San Diego to Baltimore/Washington—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.
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