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

According to our current data, Delta ($245), Hawaiian Airlines ($328), and Alaska Airlines ($450) offers the cheapest pricing from Billings to San Francisco. These flights start at 32% lower than the current average price 3 months from now.

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

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

What are the most popular airlines that fly from Billings to San Francisco?

Alaska Airlines, Delta and United Airlines are the most popular airlines when flying from Billings to San Francisco.

What is the cheapest day to fly round-trip from Billings to San Francisco?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 84% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Billings to San Francisco?

To save on the cost of your flight from Billings to San Francisco, book at least 22 days before your planned departure. Booking around this time can save you about 259% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $655 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $655.

What is the cheapest month to fly from Billings to San Francisco?

Flights from Billings to San Francisco lean towards being more expensive in June. Prices are generally better when you fly from Billings to San Francisco in January, with the cheapest ticket starting at $162.

Most accurate provider : When it comes to deals on Billings-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-San Francisco flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Billings-San Francisco 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 Billings-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Billings to San Francisco?

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

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

Yes. Cheapflights offers flight deals from Billings 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.

$245+ Save on Flights from Billings to San Francisco

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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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Billings Logan Intl to San Francisco are usually found in January or March, booked 23 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Billings to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$245 (Delta)
Popular in	June
Cheapest in	January
Average price	$299

Provider with most accurate pricing for Billings Logan Intl-San Francisco flight deals.

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Provider most trusted by Cheapflights users for Billings Logan Intl-San Francisco flights.

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From Billings Logan Intl to San Francisco

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Billings to San Francisco

Cheapest flights from Billings to San Francisco
Explore the most affordable flight options available from Billings to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Thu 5/86:23 amBIL - SFO

1 stop8h 06mDelta

Thu 5/157:00 pmSFO - BIL

1 stop4h 19mDelta

Deal found 3/24

$245

Fri 5/307:24 pmBIL - SFO

1 stop5h 20mHawaiian Airlines

Mon 6/24:47 pmSFO - BIL

1 stop6h 12mHawaiian Airlines

Deal found 3/24

$328

Wed 10/157:15 pmBIL - SFO

1 stop5h 28mAlaska Airlines

Sun 10/194:50 pmSFO - BIL

1 stop19h 25mAlaska Airlines

Deal found 3/24

$406

Thu 5/151:58 pmBIL - SFO

1 stop10h 19mAmerican Airlines

Mon 5/1912:24 amSFO - BIL

1 stop12h 04mAmerican Airlines

Deal found 3/24

$656

Wed 3/267:00 amBIL - SFO

2 stops14h 07mUnited Airlines

Sun 3/309:25 pmSFO - BIL

2 stops22h 33mUnited Airlines

Deal found 3/23

$707

Best flights from Billings to San Francisco
Discover carefully curated flight deals from Billings to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Thu 5/86:23 amBIL - SFO

1 stop8h 06mDelta

Thu 5/157:00 pmSFO - BIL

1 stop4h 19mDelta

Deal found 3/24

$245

Fri 5/307:24 pmBIL - SFO

1 stop5h 20mHawaiian Airlines

Mon 6/24:47 pmSFO - BIL

1 stop6h 12mHawaiian Airlines

Deal found 3/24

$328

Mon 8/186:00 amBIL - SFO

2 stops7h 24mAlaska Airlines

Mon 8/186:55 pmSFO - BIL

2 stops17h 28mAlaska Airlines

Deal found 3/23

$450

Thu 5/151:58 pmBIL - SFO

1 stop10h 19mAmerican Airlines

Mon 5/1912:24 amSFO - BIL

1 stop12h 04mAmerican Airlines

Deal found 3/24

$656

Last-minute flights from Billings to San Francisco
Discover last-minute flight deals from Billings to San Francisco. Data last updated March 25, 2025 and is based on user searches.

Wed 3/267:00 amBIL - SFO

2 stops14h 07mUnited Airlines

Sun 3/309:25 pmSFO - BIL

2 stops22h 33mUnited Airlines

Deal found 3/23

$707

Wed 3/265:20 amBIL - SFO

1 stop4h 54mDelta

Sun 3/305:40 amSFO - BIL

1 stop4h 14mDelta

Deal found 3/23

$848

Tue 4/17:45 amBIL - SFO

2 stops13h 30mAlaska Airlines

Sat 5/318:00 amSFO - BIL

1 stop4h 17mAlaska Airlines

Deal found 3/24

$438

Tue 4/15:00 amBIL - SFO

1 stop14h 57mAmerican Airlines

Fri 5/3012:24 amSFO - BIL

1 stop12h 04mAmerican Airlines

Deal found 3/24

$930

Cheapflights Fare Finder

Use the filters below to find and compare flights from Billings to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Thu 5/8

6:23 am-1:29 pm

1 stop8h 06m

San Francisco

Thu 5/15

7:00 pm-12:19 am

1 stop4h 19m

$245

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Fri 5/30

7:24 pm-11:44 pm

1 stop5h 20m

San Francisco

Mon 6/2

4:47 pm-11:59 pm

1 stop6h 12m

$328

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Mon 8/18

6:00 am-12:24 pm

2 stops7h 24m

San Francisco

Mon 8/18

6:55 pm-1:23 pm

2 stops17h 28m

$450

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Thu 5/15

1:58 pm-11:17 pm

1 stop10h 19m

San Francisco

Mon 5/19

12:24 am-1:28 pm

1 stop12h 04m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Billings to San Francisco

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to San Francisco in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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 Billings-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-San Francisco flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Billings-San Francisco 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 Billings-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 Billings to San Francisco

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

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

The best time to book flights from Billings to San Francisco is 21 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 Billings to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Billings to San Francisco (average of $276). Flying from Billings to San Francisco in June is currently the most expensive (average of $398). 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 BIL to SFO?

One of the essential ways to save on airfare from Billings to San Francisco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 41% on airfare.

Rainfall in San Francisco 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

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

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Billings to San Francisco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines

8.0

Very good

9,785 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta

8.0

Very good

7,890 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Hawaiian Airlines

7.9

Good

2,330 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

What are the cheapest airlines flying from Billings to San Francisco round-trip?
According to our current data, Delta ($245), Hawaiian Airlines ($328), and Alaska Airlines ($450) offers the cheapest pricing from Billings to San Francisco. These flights start at 32% lower than the current average price 3 months from now.
Can I find deals for flights from Billings to San Francisco that include hotel bookings?
Yes. In addition to deals on Billings to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Billings to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to San Francisco.
Can I find deals for business class flights from Billings to San Francisco?
Yes. Cheapflights offers flight deals from Billings 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 Billings to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Billings to San Francisco (average of $276). Flying from Billings to San Francisco in June is currently the most expensive (average of $398). 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

Roseville

Mountain View

Santa Cruz

Turlock

Fairfield

South San Francisco

Manteca

Sausalito

Richmond

Watsonville

Hollister

Milpitas

Antioch

Hayward

Vallejo

Newark

Alameda

Campbell

Daly City

Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Billings to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$191	Average$328	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$245	Average$328	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$310	Average$432	FlexibilityNo cancel fee	On-time69%

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$245+ Cheap flights from Billings to San Francisco (BIL - SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Billings to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Billings Logan Intl to San Francisco are usually found in January or March, booked 23 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Billings to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Billings to San Francisco

Cheapest flights from Billings to San FranciscoExplore the most affordable flight options available from Billings to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Explore the most affordable flight options available from Billings to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Billings to San Francisco that are best for you.

Compare providers for flights from Billings 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 Billings to San Francisco in March.

Best time to book a flight from Billings to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Billings with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Billings to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from Billings to San Francisco. Price data was last updated on March 21, 2025.

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

What is the cheapest time of day to fly from BIL to SFO?

Find hourly flight availability from Billings 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 March 25, 2025.

Rainfall in San Francisco by month

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

Temperature in San Francisco by month

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

Reviews of airlines servicing San Francisco

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Billings to San Francisco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Billings 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 are the cheapest airlines flying from Billings to San Francisco round-trip?

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

How can I find direct flights from Billings to San Francisco?

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

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

Traveling to a place near Billings?

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Alternative routes for Billings to San Francisco

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Top 3 airlines flying from Billings to San Francisco

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Cheapest flights from Billings to San Francisco
Explore the most affordable flight options available from Billings to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.