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Cheap flights from Baltimore to San Francisco from £130

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
28 Apr — 5 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Baltimore to San Francisco

Enter your travel dates to find the best prices.

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 March 2026.

Wed 22/407:04
BWI
-
SFO
1 stop10h 17m
Alaska Airlines
Wed 22/417:31
SFO
-
BWI
1 stop9h 13m
Alaska Airlines
Deal found 26/3£243
Sat 2/509:10
BWI
-
SFO
2 stops10h 10m
Southwest
Tue 2/619:15
SFO
-
BWI
1 stop7h 05m
Southwest
Deal found 26/3£245
Sat 25/411:25
BWI
-
SFO
Nonstop6h 00m
Southwest
Sat 2/521:15
SFO
-
BWI
Nonstop5h 15m
Southwest
Deal found 26/3£248
Sat 25/414:40
BWI
-
SFO
2 stops9h 40m
Southwest
Tue 28/423:25
SFO
-
BWI
2 stops9h 25m
Southwest
Deal found 25/3£249
Fri 1/520:15
BWI
-
SFO
Nonstop6h 05m
Southwest
Tue 5/521:15
SFO
-
BWI
Nonstop5h 15m
Southwest
Deal found 26/3£250
Thu 23/418:15
BWI
-
SFO
Nonstop6h 11m
United Airlines
Wed 29/400:45
SFO
-
BWI
1 stop7h 51m
United Airlines
Deal found 26/3£253
Wed 20/508:50
BWI
-
SFO
1 stop9h 30m
Southwest
Tue 26/523:25
SFO
-
BWI
2 stops9h 25m
Southwest
Deal found 26/3£254
Mon 20/418:55
BWI
-
SFO
1 stop9h 40m
United Airlines
Sat 25/408:39
SFO
-
BWI
Nonstop5h 34m
United Airlines
Deal found 26/3£256
Tue 5/506:03
BWI
-
SFO
2 stops13h 48m
Delta
Sat 9/517:37
SFO
-
BWI
2 stops12h 46m
Delta
Deal found 25/3£256
Mon 20/420:15
BWI
-
SFO
Nonstop6h 05m
Southwest
Sat 25/405:40
SFO
-
BWI
2 stops8h 25m
Southwest
Deal found 26/3£259
Fri 8/516:45
BWI
-
SFO
2 stops10h 35m
Southwest
Tue 12/521:15
SFO
-
BWI
Nonstop5h 15m
Southwest
Deal found 26/3£261

Find 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 March 2026.

Round-trip from

£243

One-way from

£130

Popular in

December

Cheapest in

May

Average price

£375
Alaska Airlines
  • Alaska Airlines
  • 22/4-22/4
  • 2 total stops
  • 19h 30m total
  • Baltimore to San Francisco
Search Deals
Frontier
  • Frontier
  • 9/5
  • 2 total stops
  • 37h 42m total
  • Baltimore to San Francisco
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 2026.
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

Cheapest return flight

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Wed 22/4

07:04-14:21

1 stop10h 17m

San Francisco

Wed 22/4

17:31-05:44

1 stop9h 13m

£243

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 1/5

20:15-23:20

Nonstop6h 05m

San Francisco

Tue 5/5

21:15-05:30

Nonstop5h 15m

£250
Fastest return journey

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Wed 15/4

18:25-21:25

Nonstop6h 00m

San Francisco

Tue 21/4

21:15-05:30

Nonstop5h 15m

£265

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 12/5

18:25-21:25

Nonstop6h 00m

San Francisco

Tue 19/5

05:25-15:50

1 stop7h 25m

£274

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Thu 23/4

18:30-00:10

1 stop8h 40m

San Francisco

Wed 29/4

06:20-17:40

2 stops8h 20m

£276

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Sat 9/5

11:25-14:25

Nonstop6h 00m

San Francisco

Sat 16/5

07:00-20:35

1 stop10h 35m

£294

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 8/5

20:15-23:20

Nonstop6h 05m

San Francisco

Sun 10/5

21:15-05:30

Nonstop5h 15m

£310

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 15/5

16:45-00:20

2 stops10h 35m

San Francisco

Mon 18/5

23:25-11:50

2 stops9h 25m

£318

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Mon 13/4

06:08-13:39

1 stop10h 31m

San Francisco

Sat 18/4

08:00-20:17

1 stop9h 17m

£319

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Thu 9/7

18:59-21:50

Nonstop5h 51m

San Francisco

Tue 14/7

22:40-07:10

Nonstop5h 30m

£325

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Showing 1-10 of 22 resultsSorted by cheapest first
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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 13 March 2026.

To ensure you get the cheapest price possible for a flight from Baltimore to San Francisco, you should look to book at least 86 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, October is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of £96). Flying from Baltimore to San Francisco in February is currently the most expensive (average of £173). 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 March 2026.

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.

How much does it cost for a return flight from Baltimore to San Francisco?

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, 4 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 £250, Alaska Airlines can have you in San Francisco from Baltimore in 6h 05m. 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 United Airlines (79%), Virgin Australia (77%) and Air New Zealand (76%).

  • 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, October is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of £96). Flying from Baltimore to San Francisco in February is currently the most expensive (average of £173). 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
San Bruno
Bodega Bay
South San Francisco
Sunnyvale

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How does Cheapflights help users find flights from Baltimore to San Francisco?

Cheapflights helps you search for flights from Baltimore to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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