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Cheap flights from Baltimore to San Francisco from £108

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Baltimore to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.

Round-trip from

£226

One-way from

£108

Popular in

December

Cheapest in

May

Average price

£366
Sun Country Air
  • Sun Country Air
  • 3/10-11/10
  • 2 total stops
  • 20h 59m total
  • Baltimore to San Francisco
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8/12
  • 8/12
  • 1 total stop
  • 9h 47m total
  • Baltimore to San Francisco
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Highest demand for flights based on searches. 2% potential increase in price (£6 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Baltimore to San Francisco

Cheapest flights from Baltimore to San Francisco
Explore the most affordable flight options available from Baltimore to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Fri 3/1012:21BWI - SFO
1 stop7h 42mSun Country Air
Sat 11/1018:21SFO - BWI
1 stop13h 17mSun Country Air
Deal found 28/8£226
Mon 29/912:21BWI - SFO
1 stop7h 42mSun Country Air
Thu 2/1017:57SFO - BWI
1 stop14h 27mSun Country Air
Deal found 28/8£233
Tue 23/907:00BWI - SFO
1 stop11h 52mAlaska Airlines
Tue 23/918:20SFO - BWI
1 stop8h 19mAlaska Airlines
Deal found 28/8£235
Tue 23/907:00BWI - SFO
1 stop9h 44mAlaska Airlines
Sat 27/914:42SFO - BWI
1 stop11h 57mAlaska Airlines
Deal found 28/8£238
Mon 29/912:21BWI - SFO
1 stop26h 41mSun Country Air
Wed 1/1013:03SFO - BWI
1 stop18h 41mSun Country Air
Deal found 28/8£241
Tue 30/910:45BWI - SFO
Nonstop5h 40mSouthwest
Tue 7/1021:05SFO - BWI
Nonstop5h 10mSouthwest
Deal found 27/8£242
Tue 23/907:00BWI - SFO
1 stop17h 20mAlaska Airlines
Fri 26/921:19SFO - BWI
1 stop29h 20mAlaska Airlines
Deal found 28/8£246
Tue 30/919:37BWI - SFO
1 stop17h 55mAlaska Airlines
Wed 8/1017:16SFO - BWI
1 stop9h 56mAlaska Airlines
Deal found 28/8£247
Thu 18/912:23BWI - SFO
1 stop7h 55mSun Country Air
Wed 24/915:02SFO - BWI
1 stop17h 15mSun Country Air
Deal found 28/8£248
Wed 8/1006:45BWI - SFO
Nonstop5h 50mUnited Airlines
Tue 14/1000:43SFO - BWI
1 stop8h 13mUnited Airlines
Deal found 28/8£249
Sat 20/908:55BWI - SFO
Nonstop5h 49mUnited Airlines
Wed 24/921:29SFO - BWI
Nonstop5h 19mUnited Airlines
Deal found 27/8£250

Cheapflights Fare Finder

 
Customise 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, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Baltimore to San Francisco that are best for you.

Fly from

Baltimore

Fly to

San Francisco

Route

Depart

Return

Price

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 3/10

12:21-17:03

1 stop7h 42m

San Francisco

Sat 11/10

18:21-10:38

1 stop13h 17m

£226

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 23/9

07:00-13:44

1 stop9h 44m

San Francisco

Sat 27/9

14:42-05:39

1 stop11h 57m

£238

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Wed 24/9

07:00-19:19

1 stop15h 19m

San Francisco

Sat 27/9

14:42-05:39

1 stop11h 57m

£238

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 26/9

19:37-21:20

1 stop28h 43m

San Francisco

Tue 30/9

21:19-05:39

1 stop29h 20m

£238

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 26/9

19:37-22:18

1 stop29h 41m

San Francisco

Wed 1/10

14:42-05:39

1 stop11h 57m

£238

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Wed 24/9

07:00-15:52

1 stop11h 52m

San Francisco

Wed 1/10

08:00-05:39

1 stop18h 39m

£238

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 23/9

07:00-19:19

1 stop15h 19m

San Francisco

Tue 30/9

06:00-05:39

1 stop20h 39m

£238

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Wed 24/9

07:00-16:57

2 stops12h 57m

San Francisco

Tue 30/9

08:00-05:39

1 stop18h 39m

£243

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Thu 11/12

20:26-15:27

2 stops22h 01m

£109

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Mon 15/12

06:00-13:39

1 stop10h 39m

£110

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 18 results
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Best time to book a flight from Baltimore to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Baltimore with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to San Francisco

How far ahead should I book a flight from Baltimore to San Francisco?

Use this chart to determine the optimal time to book a return flight from Baltimore to San Francisco. Price data was last updated on 22 August 2025.

To ensure you get the cheapest price possible for a flight from Baltimore to San Francisco, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Baltimore to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of £538). Flying from Baltimore to San Francisco in July is currently the most expensive (average of £803). 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.

What is the cheapest time of day to fly from BWI to SFO?

Find hourly flight availability from Baltimore to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to San Francisco as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Baltimore to San Francisco flight route?

    Within the past month, 3 users have taken a look at flights from Baltimore/Washington to San Francisco.

  • How long is the flight from Baltimore to San Francisco?

    For as low as £226, Sun Country Air can have you in San Francisco from Baltimore in 7h 42m. Baltimore and San Francisco are separated by a distance of 2449 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Baltimore to San Francisco?

    The top 3 most reliable airlines when flying from Baltimore to San Francisco are ANA (82%), Southwest (80%) and Virgin Australia (75%).

  • Can I find deals for flights from Baltimore to San Francisco that include hotel bookings?

    Yes. In addition to deals on Baltimore to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to San Francisco.

  • Can I find deals for business class flights from Baltimore to San Francisco?

    Yes. Cheapflights offers flight deals from Baltimore to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of £538). Flying from Baltimore to San Francisco in July is currently the most expensive (average of £803). 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.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
Bodega Bay
Pacific Grove
Union City

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Why should you use Cheapflights to find cheap flight tickets from Baltimore to San Francisco?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Baltimore to San Francisco.

Can Cheapflights find flights from Baltimore to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Baltimore to San Francisco with no change fees.

Can Cheapflights notify me if prices for flights from Baltimore to San Francisco become cheaper?

Not ready to book yet? You can track prices for flights from Baltimore to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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