For early morning flights, arrive 20-30 minutes early to navigate busy security lines efficiently.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $159 (Southwest) |
One-way from | $69 (Trip.com) |
Popular in | June |
Cheapest in | July |
Average price | $438 |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Wed 2/4
5:50 pm-10:20 pm
1 stop7h 30m
San Diego
Sat 2/7
9:45 pm-5:30 am
Nonstop4h 45m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Thu 1/1
7:00 am-12:40 pm
1 stop8h 40m
San Diego
Mon 2/2
7:55 pm-5:45 am
1 stop6h 50m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Sat 1/10
6:15 am-11:10 am
1 stop7h 55m
San Diego
Sat 1/17
9:45 pm-5:30 am
Nonstop4h 45m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Thu 1/15
6:20 am-1:10 pm
2 stops9h 50m
San Diego
Mon 1/19
10:35 am-8:20 pm
1 stop6h 45m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Wed 1/28
7:14 pm-10:07 am
1 stop17h 53m
San Diego
Mon 2/2
6:15 am-6:14 pm
1 stop8h 59m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Thu 1/1
6:00 am-10:42 am
1 stop7h 42m
San Diego
Sat 1/10
10:00 pm-10:27 am
1 stop9h 27m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Wed 1/7
2:30 pm-7:40 pm
1 stop8h 10m
San Diego
Sun 1/11
2:45 pm-10:30 pm
Nonstop4h 45m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Wed 1/14
6:20 am-9:25 am
Nonstop6h 05m
San Diego
Mon 1/19
9:45 pm-5:30 am
Nonstop4h 45m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Mon 1/26
6:05 am-2:29 pm
2 stops11h 24m
San Diego
Sun 2/1
6:55 pm-10:27 am
2 stops12h 32m
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Thu 2/12
6:20 am-9:25 am
Nonstop6h 05m
San Diego
Sun 2/15
6:50 am-2:40 pm
Nonstop4h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, November is the cheapest month in which you can book a flight from Baltimore to San Diego (average of $105). Flying from Baltimore to San Diego in July is currently the most expensive (average of $188). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Baltimore to San Diego in the evening. Doing so could potentially save you 35% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Baltimore to San Diego flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Baltimore to San Diego on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $275.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 50m.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 23m.
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Walter,Aug 2025
OAK - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$290 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$130 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$348 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$260 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$260 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$452 | FlexibilityNo cancel fee | On-time63% |