Cheap Flights from Baltimore (BWI) to San Francisco (SFO)

You can find one-way and return flights from BWI to SFO with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BWI to SFO ticket fares go up or down.

If you're looking for the cheapest time to fly from Baltimore Washington International Thurgood Marshall (BWI) to San Francisco International (SFO), September is typically your best bet. You can expect average return fares around AU$585 during this month. September often sees lower prices because the peak summer travel season has ended, and demand starts to decrease. Other budget-friendly months for this route include April and August.

There are 2 airlines offering direct flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Francisco Intl. (SFO):
* United operates 16 direct flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Francisco Intl. (SFO) every week.
* Southwest Airlines operates 8 direct flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Francisco Intl. (SFO) every week.

Southwest Airlines is one of the cheapest airlines offering nonstop return flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Francisco Intl. (SFO), with tickets starting from around AU$339 for flights that can be booked for departure within the next year. Alaska Airlines offers one of the cheapest connecting return flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Francisco Intl. (SFO) with a layover in Seattle - Tacoma Intl. (SEA), starting from AU$575. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Baltimore, MD (BWI) to San Francisco, CA (SFO), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Francisco, CA (SFO-San Francisco Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Southwest Airlines offers the most daily flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Francisco, CA (SFO-San Francisco Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly from Baltimore Washington International Thurgood Marshall (BWI) to San Francisco International (SFO) is typically April or October. While September and August might offer slightly lower average prices, April and October are popular months for this route, meaning you'll find plenty of flight options and good schedules to choose from. These months offer a great balance between reasonable fares and a wide selection of flights, making it easier to plan your trip.

You'll find approximately 3 nonstop flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Francisco, CA (SFO-San Francisco Intl.). For even more choices, look at flights that include layovers, as there are around 136 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), and Hartsfield-Jackson Atlanta Intl. (ATL).

The earliest flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Francisco Intl. (SFO) typically departs around 5:00 AM. This flight is operated by American Airlines. This is a seasonal service active in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Francisco Intl. (SFO) on a Friday, with around 74 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, United, and Delta. Flight schedules are fairly consistent throughout the week, with Fridays having only slightly more flights than other days.

The most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Francisco Intl. (SFO) are in the morning, between 6am and 9am. Many major carriers, including Southwest Airlines, United and Delta, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to spare, whether you're heading straight to a meeting or starting your holiday.

A non-stop flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Francisco, CA (SFO-San Francisco Intl.) typically takes around 5 hours 48 minutes. This route covers a distance of approximately 3,946 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 8 hours 18 minutes. Flights with two or more stops will take even longer, typically around 12 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

Yes, you can fly business class or first class between BWI and SFO. You can fly business class with Frontier Airlines and Delta.

First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.

It's easy to earn miles on a Baltimore, MD (BWI) to San Francisco, CA (SFO) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to San Francisco from Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly directly into San Francisco Intl. (SFO). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Norfolk Intl. (ORF), or Charlotte-Douglas Intl. (CLT) before reaching San Francisco. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Baltimore, MD (BWI) to San Francisco, CA (SFO) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Baltimore, MD (BWI) to San Francisco, CA (SFO) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Baltimore, MD (BWI) to San Francisco, CA (SFO) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.