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Cheap flights from Baltimore to San Francisco from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to San Francisco departing on 10/17. 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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0 bags

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Find the cheapest flights from Baltimore to San Francisco

Cheap round-trip flights

Frontier Logo
10:00 am - 9:23 pmBWI-SFO
14h 23m1 stop
Frontier Logo
4:55 pm - 10:18 amSFO-BWI
14h 23m1 stop
$294Frontier
Find Deal
sáb., oct. 18 - jue., oct. 23
Logo
7:50 am - 9:22 pmBWI-SFO
16h 32m1 stop
Logo
3:50 pm - 4:30 amSFO-BWI
9h 40m1 stop
$295
Find Deal
mar., oct. 14 - sáb., oct. 18
Frontier Logo
6:45 pm - 4:00 pmBWI-SFO
48h 15m2 stops
Frontier Logo
10:17 pm - 5:20 pmSFO-BWI
40h 03m2 stops
$296Frontier
Find Deal
mié., oct. 8 - lun., oct. 13
Logo
12:53 pm - 11:02 pmBWI-SFO
13h 09m1 stop
Logo
8:00 am - 5:57 pmSFO-BWI
30h 57m1 stop
$297
Find Deal
dom., sep. 21 - mar., sep. 23
Logo
6:17 pm - 12:14 amBWI-SFO
8h 57m1 stop
Logo
12:00 pm - 6:35 amSFO-BWI
15h 35m1 stop
$298
Find Deal
vie., oct. 10 - jue., oct. 16
Sun Country Air Logo
12:26 pm - 5:18 pmBWI-SFO
7h 52m1 stop
Sun Country Air Logo
11:59 pm - 11:23 amSFO-BWI
8h 24m1 stop
$305Sun Country Air
Find Deal
vie., nov. 14 - dom., nov. 23
United Airlines Logo
9:00 am - 11:50 amBWI-SFO
5h 50mnonstop
United Airlines Logo
9:16 am - 5:28 pmSFO-BWI
5h 12mnonstop
$327United Airlines
Find Deal
mar., oct. 21 - mar., oct. 28
Sun Country Air Logo
12:20 pm - 10:55 pmBWI-SFO
13h 35m1 stop
Sun Country Air Logo
11:59 pm - 11:05 amSFO-BWI
8h 06m1 stop
$335Sun Country Air
Find Deal
dom., nov. 23 - mié., nov. 26
Southwest Logo
10:35 am - 1:30 pmBWI-SFO
5h 55mnonstop
Southwest Logo
9:00 am - 7:35 pmSFO-BWI
7h 35m1 stop
$337Southwest
Find Deal
mar., oct. 21 - mar., oct. 28
United Airlines Logo
6:45 am - 9:35 amBWI-SFO
5h 50mnonstop
United Airlines Logo
9:30 pm - 5:50 amSFO-BWI
5h 20mnonstop
$338United Airlines
Find Deal
mié., oct. 22 - sáb., oct. 25

Frontier flights from Baltimore to San Francisco

Our best Frontier deals on Baltimore to San Francisco flight tickets
Frontier
Oct 18
BWI10:00 amBaltimore/Washington
14h 23m
1 stop
SFO9:23 pmSan Francisco
Oct 23
SFO4:55 pmSan Francisco
14h 23m
1 stop
BWI10:18 amBaltimore/Washington
$294
Find similar
Frontier
Oct 8
BWI6:45 pmBaltimore/Washington
48h 15m
2 stops
SFO4:00 pmSan Francisco
Oct 13
SFO10:17 pmSan Francisco
40h 03m
2 stops
BWI5:20 pmBaltimore/Washington
$296
Find similar
Frontier
Sep 11
BWI11:43 amBaltimore/Washington
38h 19m
2 stops
SFO11:02 pmSan Francisco
Sep 15
SFO11:57 pmSan Francisco
40h 10m
2 stops
BWI7:07 pmBaltimore/Washington
$297
Find similar

United Airlines flights from Baltimore to San Francisco

Our best United Airlines deals on Baltimore to San Francisco flight tickets
United Airlines
Oct 21
BWI9:00 amBaltimore/Washington
5h 50m
SFO11:50 amSan Francisco
Oct 28
SFO9:16 amSan Francisco
5h 12m
BWI5:28 pmBaltimore/Washington
$327
Find similar
United Airlines
Oct 22
BWI6:45 amBaltimore/Washington
5h 50m
SFO9:35 amSan Francisco
Oct 25
SFO9:30 pmSan Francisco
5h 20m
BWI5:50 amBaltimore/Washington
$338
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to San Francisco 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 septiembre 4, 2025.
Use the filters below to find and compare flights from Baltimore to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

sáb. 10/18

10:00 am-9:23 pm

1 stop14h 23m

San Francisco

jue. 10/23

4:55 pm-10:18 am

1 stop14h 23m

$294

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

mar. 10/14

7:50 am-9:22 pm

1 stop16h 32m

San Francisco

sáb. 10/18

3:50 pm-4:30 am

1 stop9h 40m

$295

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

mié. 10/8

6:45 pm-4:00 pm

2 stops48h 15m

San Francisco

lun. 10/13

10:17 pm-5:20 pm

2 stops40h 03m

$296

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

dom. 9/21

12:53 pm-11:02 pm

1 stop13h 09m

San Francisco

mar. 9/23

8:00 am-5:57 pm

1 stop30h 57m

$297

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

vie. 10/10

6:17 pm-12:14 am

1 stop8h 57m

San Francisco

jue. 10/16

12:00 pm-6:35 am

1 stop15h 35m

$298

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

vie. 11/14

12:26 pm-5:18 pm

1 stop7h 52m

San Francisco

dom. 11/23

11:59 pm-11:23 am

1 stop8h 24m

$305

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

mar. 10/21

9:00 am-11:50 am

Nonstop5h 50m

San Francisco

mar. 10/28

9:16 am-5:28 pm

Nonstop5h 12m

$327

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

dom. 11/23

12:20 pm-10:55 pm

1 stop13h 35m

San Francisco

mié. 11/26

11:59 pm-11:05 am

1 stop8h 06m

$335

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

mar. 10/21

10:35 am-1:30 pm

Nonstop5h 55m

San Francisco

mar. 10/28

9:00 am-7:35 pm

1 stop7h 35m

$337

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

mié. 10/22

6:45 am-9:35 am

Nonstop5h 50m

San Francisco

sáb. 10/25

9:30 pm-5:50 am

Nonstop5h 20m

$338

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 San Francisco from

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

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $406.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Baltimore to San Francisco is on a Thursday when prices can be found for as low as $503. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $707.

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

Our data shows that the cheapest Baltimore to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $548. Flights in the afternoon are often more expensive with an average ticket price of $634.

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

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

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $443 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Baltimore for as low as $375 on momondo.

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

There are 4 cabin classes available to choose from on Baltimore/Washington to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of September 2025, prices for Baltimore to San Francisco flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Baltimore to San Francisco

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

Cheap Baltimore to San Francisco (BWI to SFO) flight deals and tips

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

Best Price Found

$209

Fastest flight time

5h 40m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Baltimore in the past 72 hours is $209. The best round-trip flight deal from Baltimore to San Francisco found on momondo in the last 72 hours is $520.
The fastest flight from Baltimore to San Francisco takes 5h 40m
Direct flights go from Baltimore to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

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

    The distance between Baltimore/Washington and San Francisco is about 2448.9 mi. A reasonable flight in good conditions will take 5h 50m.

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

    Prices for flights from Baltimore/Washington Airport to San Francisco Airport refresh daily.

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

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

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Baltimore to San Francisco

Compare and see reviews for airlines that fly from Baltimore to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $101Free CancellationRating
6.3
8,016 reviews
Search Spirit Airlines flights
FrontierPriceFrom $119Free CancellationRating
5.8
3,195 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $266Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $277Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
8,939 reviews
Search United Airlines flights
American AirlinesPriceFrom $292Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $299Free CancellationRating
8.0
4,241 reviews
Search Southwest flights

  • Southwest Flights From Baltimore to San Francisco

    Southwest is one of the most popular airlines flying from Baltimore to San Francisco, operating 8 flights/week on average for this route. A good Southwest flight deal for Baltimore to San Francisco starts from $299 round-trip, up to an average price of $408. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Baltimore to San Francisco

    $289 is the best United Airlines flight deal from Baltimore to San Francisco found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $481, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,939 user reviews) flies into San Francisco from Baltimore 12 times in an average week so prices can vary.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Calistoga
Hayward
Bodega Bay
Roseville
Santa Clara
Big Sur
Daly City
Fremont
Berkeley
Walnut Creek
Half Moon Bay
Vallejo
South San Francisco
Redwood City
Pacific Grove
Pacifica

Why use momondo?

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

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

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

momondo does allow users to show only those flights to San Francisco from Baltimore which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Baltimore.

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

If you are not ready to book a flight from Baltimore to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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