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

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $303 (Kiwi.com) |
One-way from | $90 (Frontier) |
Popular in | December |
Cheapest in | May |
Average price | $485 |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 2/4
7:14 pm-11:03 pm
1 stop30h 49m
San Francisco
Mon 2/9
9:42 pm-6:14 pm
2 stops17h 32m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Tue 2/10
8:42 am-11:54 am
Nonstop6h 12m
San Francisco
Mon 2/23
9:09 am-5:20 pm
Nonstop5h 11m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 2/18
8:42 am-12:06 pm
Nonstop6h 24m
San Francisco
Tue 2/24
9:09 am-5:20 pm
Nonstop5h 11m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Tue 3/17
8:31 am-11:55 am
Nonstop6h 24m
San Francisco
Wed 3/18
11:05 pm-7:19 am
Nonstop5h 14m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 2/18
4:09 pm-11:17 pm
1 stop10h 08m
San Francisco
Tue 3/3
9:09 am-5:20 pm
Nonstop5h 11m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Mon 2/2
10:10 am-1:25 pm
Nonstop6h 15m
San Francisco
Wed 2/4
5:30 am-7:20 pm
2 stops10h 50m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 4/8
6:25 pm-9:25 pm
Nonstop6h 00m
San Francisco
Thu 4/16
5:15 am-5:05 pm
2 stops8h 50m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Mon 2/9
7:14 pm-5:48 pm
2 stops25h 34m
San Francisco
Sat 2/28
6:30 am-5:46 pm
1 stop8h 16m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Thu 2/5
3:52 pm-11:59 pm
1 stop11h 07m
San Francisco
Tue 2/10
10:52 am-9:26 pm
1 stop7h 34m
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Thu 3/12
5:40 am-2:04 pm
2 stops11h 24m
San Francisco
Tue 3/17
4:47 pm-5:51 am
2 stops10h 04m
| 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 Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Baltimore to San Francisco is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, March is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of $102). Flying from Baltimore to San Francisco in November is currently the most expensive (average of $195). 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.
One of the essential ways to save on airfare from Baltimore to San Francisco is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 54% on airfare.
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Walter,Aug 2025
OAK - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$285 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$134 | Average$543 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$162 | Average$365 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$289 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$455 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$308 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$308 | Average$465 | FlexibilityNo cancel fee | On-time71% |