$127 Cheap Flights from Billings (BIL) to San Francisco (SFO)

Popular airlines from Billings Logan Intl. Airport (BIL) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Billings to San Francisco (BIL-SFO)

Prices were available within the past 7 days and start at $127 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Hawaiian Airlines
Hawaiian Airlines
Hawaiian Airlines
Hawaiian Airlines
Hawaiian Airlines
Alaska Airlines
Delta
United
American Airlines

Find the cheapest month to fly from Billings (BIL) to San Francisco (SFO)

January is typically the cheapest month to fly

From $201 - $518 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Billings (BIL) to San Francisco (SFO)
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$223
Distance
908 mi

Billings to San Francisco Flights

The cheapest times to fly from Billings to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Billings to San Francisco are during the month of November. You can find some of the cheapest flights from Billings to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Billings to San Francisco

Sunday is one of the best days to book for cheap flights from Billings to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Billings to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Billings to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $127 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Billings to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Billings to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BIL) to San Francisco Intl. Airport (SFO) cost?
Discover the latest flight deals from BIL to SFO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BIL to SFO?
The cheapest flights from BIL to SFO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BIL to SFO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BIL to SFO. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Logan Intl. Airport (BIL) to San Francisco Intl. Airport (SFO)?
You'll have to hop on a flight with a layover when traveling from Logan Intl. Airport (BIL) to San Francisco Intl. Airport (SFO). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from BIL to SFO?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BIL) to San Francisco Intl. Airport (SFO)?
Choose a flight from Logan Intl. Airport (BIL) to San Francisco Intl. Airport (SFO) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BIL) to San Francisco Intl. Airport (SFO) last-minute?
Last-minute bookings from BIL to SFO are usually more expensive. To lock in the best rates, start looking for flights well ahead of time. That said, if you're flexible with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a BIL to SFO flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIL to SFO flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to San Francisco Intl. Airport (SFO)?
In most instances, you can modify or cancel your BIL to SFO flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more information, visit our Customer Service portal.

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San Francisco nearby Airports
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