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$182+ Cheap flights from San Francisco to Baltimore (SFO - BWI)

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BWI
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Find cheap flights from San Francisco to Baltimore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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3. Compare prices and book

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Cheapflights Tip: The best prices from San Francisco to Baltimore/Washington are usually found in April or September, booked 56 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from San Francisco to Baltimore

Cheapest flights from San Francisco to Baltimore
Explore the most affordable flight options available from San Francisco to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:00 am
SFO
-
BWI
2 stops8h 45m
Southwest
Sat 9/1210:10 am
BWI
-
SFO
2 stops9h 40m
Southwest
Deal found 7/22$357
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 9/312:30 pm
SFO
-
BWI
1 stop7h 55m
Southwest
Sat 9/52:20 pm
BWI
-
SFO
1 stop8h 15m
Southwest
Deal found 7/23$358
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 8/2011:05 am
SFO
-
BWI
1 stop9h 20m
Southwest
Wed 8/2610:55 am
BWI
-
SFO
2 stops8h 30m
Southwest
Deal found 7/23$359
This Frontier deal was found by Cheapflights users on 7/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:18 pm
SFO
-
BWI
1 stop14h 16m
Frontier
Sat 8/158:35 am
BWI
-
SFO
1 stop13h 38m
Frontier
Deal found 7/24$360
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm
SFO
-
BWI
1 stop13h 36m
Frontier
Sat 10/249:52 am
BWI
-
SFO
1 stop11h 28m
Frontier
Deal found 7/23$361
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:48 pm
SFO
-
BWI
1 stop7h 37m
Frontier
Fri 9/189:32 pm
BWI
-
SFO
2 stops39h 50m
Frontier
Deal found 7/24$362
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 10/1512:05 pm
SFO
-
BWI
2 stops9h 45m
Southwest
Mon 10/196:55 pm
BWI
-
SFO
1 stop8h 10m
Southwest
Deal found 7/23$363
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 8/2011:05 am
SFO
-
BWI
2 stops9h 20m
Southwest
Tue 8/2510:55 am
BWI
-
SFO
2 stops8h 30m
Southwest
Deal found 7/23$364
This Frontier deal was found by Cheapflights users on 7/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:54 am
SFO
-
BWI
1 stop9h 46m
Frontier
Mon 8/178:35 am
BWI
-
SFO
1 stop13h 38m
Frontier
Deal found 7/24$365
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:35 pm
SFO
-
BWI
1 stop10h 49m
Frontier
Mon 8/248:45 am
BWI
-
SFO
1 stop13h 18m
Frontier
Deal found 7/23$366
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:50 am
SFO
-
BWI
2 stops10h 15m
Southwest
Thu 8/208:15 am
BWI
-
SFO
2 stops8h 55m
Southwest
Deal found 7/22$368
This Southwest deal was found by Cheapflights users on 7/20. 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.
Mon 8/177:25 pm
SFO
-
BWI
1 stop8h 05m
Southwest
Wed 8/198:55 am
BWI
-
SFO
Nonstop5h 40m
Southwest
Deal found 7/20$369

Find flight deals from San Francisco to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Baltimore (BWI). 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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$357
(Southwest)

One-way from

$182
(Delta)

Popular in

November

Cheapest in

April

Average price

$538
Provider with most accurate pricing for San Francisco-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Baltimore/Washington flights.
Search Deals
From San Francisco to Baltimore/Washington
Search Deals
One-way flight from San Francisco to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Baltimore 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 July 25, 2026.
Use the filters below to find and compare flights from San Francisco to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Thu 10/22

5:35 am-5:45 pm

2 stops9h 10m

Baltimore/Washington

Mon 10/26

3:55 pm-10:25 pm

2 stops9h 30m

$389

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Thu 9/10

10:30 pm-6:35 am

Nonstop5h 05m

Baltimore/Washington

Mon 9/14

2:35 pm-7:05 pm

1 stop7h 30m

$403

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Mon 8/24

10:52 pm-7:15 am

Nonstop5h 23m

Baltimore/Washington

Wed 8/26

8:00 am-10:58 am

Nonstop5h 58m

$427

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Thu 10/15

12:05 pm-1:00 am

1 stop9h 55m

Baltimore/Washington

Sun 10/18

9:05 am-11:55 am

Nonstop5h 50m

$427

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Wed 9/2

9:10 am-5:40 pm

Nonstop5h 30m

Baltimore/Washington

Sun 9/6

8:00 am-10:58 am

Nonstop5h 58m

$432

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Tue 9/15

12:45 am-11:45 am

1 stop8h 00m

Baltimore/Washington

Tue 9/22

8:00 am-10:58 am

Nonstop5h 58m

$433
Quickest round-trip

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Sat 8/29

10:30 pm-6:35 am

Nonstop5h 05m

Baltimore/Washington

Mon 8/31

10:20 am-1:00 pm

Nonstop5h 40m

$433

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Thu 8/20

11:55 am-10:50 pm

1 stop7h 55m

Baltimore/Washington

Sun 8/23

10:50 am-1:30 pm

Nonstop5h 40m

$443

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Fri 10/23

5:35 am-3:35 pm

1 stop7h 00m

Baltimore/Washington

Mon 10/26

4:50 pm-11:15 pm

2 stops9h 25m

$447

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Tue 10/20

11:40 pm-12:15 pm

2 stops9h 35m

Baltimore/Washington

Sun 10/25

1:25 pm-8:15 pm

2 stops9h 50m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from San Francisco to Baltimore

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 San Francisco to Baltimore in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 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 San Francisco-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Francisco-Baltimore 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 San Francisco to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from San Francisco 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 San Francisco to Baltimore

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

To ensure you get the cheapest price possible for a flight from San Francisco to Baltimore, you should look to book at least 55 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 San Francisco to Baltimore?

Currently, April is the cheapest month in which you can book a flight from San Francisco to Baltimore (average of $405). Flying from San Francisco to Baltimore in November is currently the most expensive (average of $608). 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 SFO to BWI?

Find hourly flight availability from San Francisco to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.

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

How much does it cost to fly round-trip from San Francisco to Baltimore?

Airfare is below average for this route at the moment.

San Francisco to Baltimore flights typically cost between $390 and $641 in September.
The cheapest round-trip price found within the last 5 days was $357 on Southwest (Sep 5-Sep 12).

The best insider tips for San Francisco to Baltimore flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Baltimore trip
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated July 25, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from San Francisco to Baltimore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,233 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Delta
7.8
Good
8,486 reviews
Southwest
8.0
Very good
4,233 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
United Airlines
7.4
Good
10,034 reviews
Southwest
8.0
Very good
4,233 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
American Airlines
7.1
Good
11,847 reviews
Southwest
8.0
Very good
4,233 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Frontier
5.6
Fair
2,770 reviews
Southwest
8.0
Very good
4,233 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Baltimore. 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 San Francisco to Baltimore?

    To fly from San Francisco to Baltimore, you need to book a flight from San Francisco (SFO) to Baltimore/Washington (BWI). Nonstop flights to Baltimore/Washington from San Francisco take 5h 05m on average. When it comes time to book airfare, you have a few options: there are 5 outbound flights from San Francisco to Baltimore/Washington offered by 8 different airlines.

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

    The San Francisco to Baltimore/Washington flight path was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from San Francisco to Baltimore can take about 5h 23m. Southwest provides one of the quickest options available for as low as $427. Airlines will cover a distance of 2449 mi. This flight may include one or multiple stops.

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

    According to our current data, Frontier ($145), Alaska Airlines ($178), and Sun Country Air ($179) offers the cheapest pricing from San Francisco to Baltimore. You may be able to fly from San Francisco to Baltimore for 71% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $125. Alaska Airlines flights start at $137 while deals on Delta start at $143 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Baltimore on time: United Airlines (92%), Virgin Australia (86%), Air New Zealand (86%).

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

    Looking for the cheapest flight from San Francisco to Baltimore? While on average our users pay $578, our data indicates the cheapest price to be $180. The most popular route (San Francisco - Baltimore/Washington), is priced around $263.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Baltimore 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 San Francisco to Baltimore?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Baltimore (average of $405). Flying from San Francisco to Baltimore in November is currently the most expensive (average of $608). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Burbank to Reagan-National flights
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San Luis Obispo to Baltimore flights
Fresno to Baltimore flights
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Top 8 airlines flying from San Francisco to Baltimore

Discover the top 8 airlines that operate flights from San Francisco to Baltimore. 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$145Average$328FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$178Average$375FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$179Average$387FlexibilityNo cancel feeOn-time83%
DeltaCheapest$239Average$450FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$274Average$529FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$276Average$493FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$324Average$490FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$336Average$543FlexibilityNo cancel feeOn-time69%

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