San Francisco

$134+ Cheap flights from Baltimore to San Francisco (BWI - SFO)

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
Apr 27 — May 41
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Cheapflights Tip: The best prices from Baltimore/Washington to San Francisco are usually found in September or May, booked 65 days in advance, depart on a Thursday or Friday and return on a Wednesday

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 April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(Cheapflightsfares)

One-way from

$134
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$419
Provider with most accurate pricing for Baltimore/Washington-San Francisco flight deals.
Provider most trusted by Cheapflights users for Baltimore/Washington-San Francisco flights.
From Baltimore/Washington to San Francisco
One-way flight from Baltimore/Washington to San Francisco
Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:25 pmBWI - SFO
1 stop13h 28mSun Country Air
Sat 6/1411:59 pmSFO - BWI
1 stop8h 24mSun Country Air
Deal found 4/21$289
This CheapOair deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/271:47 pmBWI - SFO
1 stop26h 32mFrontier
Wed 4/3010:07 pmSFO - BWI
1 stop18h 09mFrontier
Deal found 4/21$290
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/52:04 pmBWI - SFO
1 stop23h 19mMultiple Airlines
Fri 6/2711:59 pmSFO - BWI
1 stop8h 24mMultiple Airlines
Deal found 4/22$292
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/296:00 amBWI - SFO
1 stop7h 34mDelta
Tue 8/57:30 amSFO - BWI
1 stop8h 23mDelta
Deal found 4/22$309
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/177:16 pmBWI - SFO
1 stop8h 06mAmerican Airlines
Sat 5/241:35 pmSFO - BWI
1 stop7h 18mAmerican Airlines
Deal found 4/22$312
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/13:00 pmBWI - SFO
Nonstop5h 50mSouthwest
Tue 8/129:05 pmSFO - BWI
Nonstop5h 10mSouthwest
Deal found 4/21$372
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/107:00 pmBWI - SFO
Nonstop5h 50mUnited Airlines
Thu 6/1211:59 pmSFO - BWI
1 stop9h 02mUnited Airlines
Deal found 4/21$382
This Alaska Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:05 pmBWI - SFO
2 stops20h 35mAlaska Airlines
Thu 6/56:00 amSFO - BWI
2 stops21h 29mAlaska Airlines
Deal found 4/22$383

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 22, 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 6/13

12:25 pm-10:53 pm

1 stop13h 28m

San Francisco

Sat 6/14

11:59 pm-11:23 am

1 stop8h 24m

$289

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Sun 4/27

1:47 pm-1:19 pm

1 stop26h 32m

San Francisco

Wed 4/30

10:07 pm-7:16 pm

1 stop18h 09m

$290

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Thu 6/5

2:04 pm-10:23 am

1 stop23h 19m

San Francisco

Fri 6/27

11:59 pm-11:23 am

1 stop8h 24m

$292

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Mon 7/14

7:50 pm-12:36 am

1 stop7h 46m

San Francisco

Sat 7/26

6:00 am-5:09 pm

1 stop8h 09m

$309

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Sat 5/17

7:16 pm-12:22 am

1 stop8h 06m

San Francisco

Sat 5/24

1:35 pm-11:53 pm

1 stop7h 18m

$312

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 7/1

3:00 pm-5:50 pm

Nonstop5h 50m

San Francisco

Tue 7/8

9:00 pm-5:05 am

Nonstop5h 05m

$372

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 6/10

7:00 pm-9:50 pm

Nonstop5h 50m

San Francisco

Thu 6/12

11:59 pm-12:01 pm

1 stop9h 02m

$382

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Mon 6/2

7:05 pm-12:40 pm

2 stops20h 35m

San Francisco

Thu 6/5

6:00 am-6:29 am

2 stops21h 29m

$383

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 5/23

3:18 pm-9:28 pm

1 stop9h 10m

$148

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 6/13

12:25 pm-10:53 pm

1 stop13h 28m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 16 results
1
2

Compare providers for flights from Baltimore to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to San Francisco in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Baltimore to San Francisco. Price data was last updated on April 18, 2025.

The best time to book flights from Baltimore to San Francisco is 65 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.

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

Currently, January is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of $276). Flying from Baltimore to San Francisco in June is currently the most expensive (average of $393). 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 April 22, 2025.

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 afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 54% on airfare.

What is the cheapest day to fly from Baltimore to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to San Francisco. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Baltimore to San Francisco flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Baltimore to San Francisco

Explore weekly flight availability from Baltimore to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 22, 2025.

The most flights from BWI to SFO are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated April 22, 2025.
Read through reviews of airlines operating flights from Baltimore to San Francisco, such as Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.
  • What airports do I use to fly from Baltimore to San Francisco?

    If you book a flight from Baltimore to San Francisco, you will be flying from Baltimore/Washington to San Francisco. Flights to San Francisco (SFO) from Baltimore/Washington (BWI) take 5h 45m for a nonstop flight. There are 4 flights from Baltimore/Washington to San Francisco per day from 8 airlines.

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

  • What are the cheapest airlines flying from Baltimore to San Francisco round-trip?

    Currently priced at $289, Sun Country Air will fly you from Baltimore to San Francisco and back. In addition to Sun Country Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $296 and $309, respectively. Sun Country Air is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Baltimore to San Francisco one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $136. However, be on the lookout for offers from Sun Country Air and Delta, as they are both options that can get you from Baltimore to San Francisco for a low price.

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

    Consider ANA (95%), Virgin Australia (89%) or United Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Baltimore to San Francisco.

  • What are the cheapest flights from Baltimore to San Francisco?

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Baltimore/Washington - San Francisco) can be booked for $191 on average our data indicates $1,250 when flying from Baltimore to San Francisco.

  • Where are the most common layover locations when flying from Baltimore to San Francisco?

  • What are some popular things to do or see while on a layover in Charlotte?

    The majority of Charlotte visitors spend their time at Carowind, Mint Museum Uptown, and NASCAR Hall of Fame. Carowind, Mint Museum Uptown, and NASCAR Hall of Fame are located about 8.2 mi, 5.4 mi, and 5.7 mi, respectively from Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $55 per day.

  • What are some popular points of interest to see during a layover in Atlanta?

    If you're on a layover in Atlanta and looking for things to do, consider visiting Georgia Aquarium, Fox Theatre, or World of Coca-Cola. Those on a layover in Atlanta interested in visiting Georgia Aquarium, Fox Theatre, or World of Coca-Cola can do so by traveling 8.6 mi, 9.3 mi, and 8.6 mi, respectively from Atlanta Hartsfield-Jackson. Those looking to explore during their layover in Atlanta can rent a car from Atlanta Hartsfield-Jackson for about $56 per day.

  • Where are the least popular layover locations for Baltimore to San Francisco flights?

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of $276). Flying from Baltimore to San Francisco in June is currently the most expensive (average of $393). 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

Traveling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
Turlock
Livermore
South San Francisco
Fairfield
Manteca
Richmond
Watsonville
Hollister
Milpitas
Antioch
Sausalito
Vallejo
Newark
Hayward
Alameda
Sunnyvale
Campbell

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Baltimore to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Baltimore to San Francisco

Discover the top 8 airlines that operate flights from Baltimore to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$241FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$228FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$389FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$357FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$266Average$416FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$289Average$468FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$304Average$395FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$306Average$355FlexibilityNo cancel feeOn-time83%

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