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Cheap flights from Baltimore to San Francisco from $55

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 8/6. 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
11:43 am - 9:23 pmBWI-SFO
12h 40m1 stop
Frontier Logo
6:29 am - 5:48 pmSFO-BWI
8h 19m1 stop
$123Frontier
Find Deal
Sun, Oct 5 - Mon, Oct 6
Frontier Logo
1:08 pm - 11:02 pmBWI-SFO
12h 54m1 stop
Frontier Logo
6:29 am - 5:48 pmSFO-BWI
8h 19m1 stop
$158Frontier
Find Deal
Fri, Oct 3 - Mon, Oct 6
Frontier Logo
12:31 pm - 9:23 pmBWI-SFO
11h 52m1 stop
Frontier Logo
8:53 pm - 9:33 amSFO-BWI
9h 40m1 stop
$170Frontier
Find Deal
Wed, Aug 13 - Sun, Aug 17
Frontier Logo
12:31 pm - 9:23 pmBWI-SFO
11h 52m1 stop
Frontier Logo
8:53 pm - 9:33 amSFO-BWI
9h 40m1 stop
$182Frontier
Find Deal
Wed, Jul 23 - Sun, Jul 27
Frontier Logo
12:31 pm - 9:23 pmBWI-SFO
11h 52m1 stop
Frontier Logo
10:29 pm - 9:40 amSFO-BWI
8h 11m1 stop
$188Frontier
Find Deal
Wed, Jul 16 - Sat, Jul 19
Frontier Logo
10:17 am - 9:23 pmBWI-SFO
14h 06m1 stop
Frontier Logo
10:29 pm - 9:22 amSFO-BWI
7h 53m1 stop
$192Frontier
Find Deal
Thu, Oct 9 - Sat, Oct 18
Frontier Logo
5:26 pm - 12:19 amBWI-SFO
9h 53m1 stop
Frontier Logo
6:37 am - 4:31 pmSFO-BWI
6h 54m1 stop
$196Frontier
Find Deal
Fri, Aug 8 - Mon, Aug 11
Frontier Logo
6:27 pm - 12:16 amBWI-SFO
8h 49m1 stop
Frontier Logo
11:00 pm - 10:48 amSFO-BWI
8h 48m1 stop
$199Frontier
Find Deal
Mon, Sep 15 - Sat, Sep 20
Frontier Logo
6:27 pm - 12:52 pmBWI-SFO
21h 25m1 stop
Frontier Logo
11:00 pm - 10:48 amSFO-BWI
8h 48m1 stop
$205Frontier
Find Deal
Sun, Sep 14 - Sat, Sep 20
Frontier Logo
10:17 am - 9:23 pmBWI-SFO
14h 06m1 stop
Frontier Logo
10:29 pm - 9:22 amSFO-BWI
7h 53m1 stop
$207Frontier
Find Deal
Thu, Oct 9 - Mon, Oct 13

Frontier flights from Baltimore to San Francisco

Our best Frontier deals on Baltimore to San Francisco flight tickets
Frontier
Oct 5
BWI11:43 amBaltimore/Washington
12h 40m
1 stop
SFO9:23 pmSan Francisco
Oct 6
SFO6:29 amSan Francisco
8h 19m
1 stop
BWI5:48 pmBaltimore/Washington
Frontier
Oct 3
BWI1:08 pmBaltimore/Washington
12h 54m
1 stop
SFO11:02 pmSan Francisco
Oct 6
SFO6:29 amSan Francisco
8h 19m
1 stop
BWI5:48 pmBaltimore/Washington
Frontier
Aug 13
BWI12:31 pmBaltimore/Washington
11h 52m
1 stop
SFO9:23 pmSan Francisco
Aug 17
SFO8:53 pmSan Francisco
9h 40m
1 stop
BWI9:33 amBaltimore/Washington

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 September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $399.

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 $496. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $695.

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 $543. Flights in the afternoon are often more expensive with an average ticket price of $618.

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 $435 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 $374 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 July 2025, prices for Baltimore to San Francisco flights are approximately 12% 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

$55

Fastest flight time

6h 10m

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 $55. The best round-trip flight deal from Baltimore to San Francisco found on momondo in the last 72 hours is $123.
The fastest flight from Baltimore to San Francisco takes 6h 10m
Direct flights go from Baltimore to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • 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 8h 25m.

  • 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
8,086 reviews
Search Spirit Airlines flights
FrontierPriceFrom $119Free CancellationRating
5.9
3,286 reviews
Search Frontier flights
Sun Country AirPriceFrom $142Free CancellationRating
6.9
339 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $212Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $261Free CancellationRating
8.0
7,982 reviews
Search Delta flights
Alaska AirlinesPriceFrom $276Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
SouthwestPriceFrom $308Free CancellationRating
8.0
4,266 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 4 flights/week on average for this route. A good Southwest flight deal for Baltimore to San Francisco starts from $308 round-trip, up to an average price of $418. 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 $471, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,861 user reviews) flies into San Francisco from Baltimore 13 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
Hayward
Calistoga
Sonoma
Bodega Bay
Roseville
Santa Clara
Daly City
Big Sur
Berkeley
Walnut Creek
South San Francisco
Fremont
Redwood City
Sunnyvale
Vallejo
Half Moon Bay
Pacific Grove

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.


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1 adult
Tue 7/8
Tue 7/15

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