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

According to our current data, Delta ($247), Alaska Airlines ($323), and United Airlines ($645) offers the cheapest pricing from Billings to San Francisco. These flights start at 33% 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.

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.

$129+ 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.

Cheap flight deals from Billings to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$247 (Delta)
One-way from	$129 (Delta)
Popular in	June
Cheapest in	January
Average price	$329

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

Search Deals

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

Search Deals

From Billings Logan Intl to San Francisco

Search Deals

One-way flight from Billings Logan Intl to San Francisco

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($88 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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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 February 21, 2025.

Thu 5/156:35 pmBIL - SFO

1 stop5h 45mDelta

Tue 5/207:00 pmSFO - BIL

1 stop4h 16mDelta

Deal found 2/20

$247

Thu 4/102:55 pmBIL - SFO

2 stops18h 49mAlaska Airlines

Mon 4/147:32 pmSFO - BIL

2 stops26h 47mAlaska Airlines

Deal found 2/20

$323

Thu 3/67:00 amBIL - SFO

1 stop5h 28mUnited Airlines

Sun 3/96:30 amSFO - BIL

1 stop5h 53mUnited Airlines

Deal found 2/20

$645

Thu 5/151:58 pmBIL - SFO

1 stop10h 20mAmerican Airlines

Mon 5/1912:24 amSFO - BIL

1 stop12h 04mAmerican Airlines

Deal found 2/20

$656

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 February 21, 2025.

Thu 5/156:35 pmBIL - SFO

1 stop5h 45mDelta

Tue 5/207:00 pmSFO - BIL

1 stop4h 16mDelta

Deal found 2/20

$247

Thu 4/102:55 pmBIL - SFO

2 stops18h 49mAlaska Airlines

Mon 4/147:32 pmSFO - BIL

2 stops26h 47mAlaska Airlines

Deal found 2/20

$323

Thu 3/67:00 amBIL - SFO

1 stop5h 28mUnited Airlines

Sun 3/96:30 amSFO - BIL

1 stop5h 53mUnited Airlines

Deal found 2/20

$645

Thu 5/151:58 pmBIL - SFO

1 stop10h 20mAmerican Airlines

Mon 5/1912:24 amSFO - BIL

1 stop12h 04mAmerican Airlines

Deal found 2/20

$656

Last-minute flights from Billings to San Francisco
Discover last-minute flight deals from Billings to San Francisco. Data last updated February 21, 2025 and is based on user searches.

Mon 3/31:29 pmBIL - SFO

1 stop5h 24mAlaska Airlines

Tue 3/118:05 amSFO - BIL

1 stop5h 09mAlaska Airlines

Deal found 2/20

$695

Mon 3/36:35 pmBIL - SFO

1 stop6h 39mDelta

Mon 3/105:20 pmSFO - BIL

1 stop5h 56mDelta

Deal found 2/20

$731

Mon 3/35:54 pmBIL - SFO

1 stop6h 07mUnited Airlines

Sun 3/95:00 amSFO - BIL

1 stop7h 23mUnited Airlines

Deal found 2/20

$789

Thu 3/62:55 pmBIL - SFO

1 stop7h 11mAlaska Airlines

Tue 3/118:05 amSFO - BIL

1 stop5h 09mAlaska Airlines

Deal found 2/20

$444

Thu 3/67:00 amBIL - SFO

1 stop5h 28mUnited Airlines

Sun 3/96:30 amSFO - BIL

1 stop5h 53mUnited Airlines

Deal found 2/20

$645

Fri 3/2111:35 amBIL - SFO

1 stop5h 45mDelta

Fri 3/284:04 pmSFO - BIL

2 stops7h 12mDelta

Deal found 2/21

$262

One-way flights from Billings to San Francisco
Search for one-way flight options from Billings to San Francisco. Find affordable one-way fares based on user searches. Data last updated February 21, 2025.

Sun 5/115:45 amBIL - SFO

1 stop4h 27mDelta

Deal found 2/19

$129

Find flights from Billings to San Francisco within your budget

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Thu 5/15

6:35 pm-11:20 pm

1 stop5h 45m

San Francisco

Tue 5/20

7:00 pm-12:16 am

1 stop4h 16m

$247

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Thu 4/10

2:55 pm-8:44 am

2 stops18h 49m

San Francisco

Mon 4/14

7:32 pm-11:19 pm

2 stops26h 47m

$323

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Thu 3/6

7:00 am-11:28 am

1 stop5h 28m

San Francisco

Sun 3/9

6:30 am-1:23 pm

1 stop5h 53m

$645

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Thu 5/15

1:58 pm-11:18 pm

1 stop10h 20m

San Francisco

Mon 5/19

12:24 am-1:28 pm

1 stop12h 04m

$656

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Sun 5/11

5:45 am-9:12 am

1 stop4h 27m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	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.

Travel insights for flights from Billings to San Francisco

Get recent, data-driven insights about flights from Billings to San Francisco including ideal travel times, pricing trends, and more.

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 $403). 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 United 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

9,696 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

9,696 reviews

Alaska Airlines

8.0

Very good

9,696 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

8,217 reviews

Alaska Airlines

8.0

Very good

9,696 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

United Airlines

7.4

Good

8,761 reviews

Alaska Airlines

8.0

Very good

9,696 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

9,696 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 ($247), Alaska Airlines ($323), and United Airlines ($645) offers the cheapest pricing from Billings to San Francisco. These flights start at 33% 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 $403). 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

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Turlock

Santa Cruz

Fairfield

Manteca

Sausalito

Watsonville

Hayward

Richmond

Hollister

South San Francisco

Antioch

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Newark

Alameda

Campbell

Pacific Grove

Sunnyvale

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$324	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$246	Average$349	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$310	Average$432	FlexibilityNo cancel fee	On-time69%

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$129+ Cheap flights from Billings to San Francisco (BIL - 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 5/11. 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

Cheap flight deals from Billings to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

One-way 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 February 21, 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 February 21, 2025.

Find flights from Billings to San Francisco within your budget

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 February.

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.

Travel insights for flights from Billings to San Francisco

Get recent, data-driven insights about flights from Billings to San Francisco including ideal travel times, pricing trends, and more.

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 February 21, 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 United 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?

Browse thousands of different options on Cheapflights for your next trip

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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 February 21, 2025.