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$143+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SFO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Billings to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to San Francisco (SFO). 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 3, 2025.

Round-trip from

$260
(Hawaiian Airlines)

One-way from

$143
(Delta)

Popular in

June

Cheapest in

April

Average price

$328
From Billings Logan Intl to San Francisco
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One-way flight from Billings Logan Intl to San Francisco
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Highest demand for flights based on searches. 20% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/3. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:43 pmBIL - SFO
1 stop4h 52mHawaiian Airlines
Mon 9/294:52 pmSFO - BIL
1 stop6h 19mHawaiian Airlines
Deal found 7/3$260
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:25 amBIL - SFO
1 stop4h 21mDelta
Tue 9/3012:30 pmSFO - BIL
2 stops9h 05mDelta
Deal found 7/3$266
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:00 amBIL - SFO
1 stop5h 32mAlaska Airlines
Mon 9/297:07 pmSFO - BIL
2 stops18h 56mAlaska Airlines
Deal found 7/3$277
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/295:00 amBIL - SFO
1 stop5h 45mUnited Airlines
Tue 8/56:30 amSFO - BIL
1 stop5h 47mUnited Airlines
Deal found 7/1$285
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/295:40 amBIL - SFO
1 stop13h 14mAmerican Airlines
Mon 8/412:55 amSFO - BIL
1 stop11h 33mAmerican Airlines
Deal found 7/1$463
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:26 pmBIL - SFO
3 stops34h 42mMultiple Airlines
Thu 8/1411:59 pmSFO - BIL
2 stops19h 23mMultiple Airlines
Deal found 7/2$615

Cheapflights Fare Finder

Customize your flight search to find flights from Billings to San Francisco 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 3, 2025.
Use the filters below to find and compare flights from Billings to San Francisco that are best for you.

Fly from

Billings

Fly to

San Francisco

Route

Depart

Return

Price

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Wed 9/24

3:43 pm-7:35 pm

1 stop4h 52m

San Francisco

Mon 9/29

4:52 pm-12:11 am

1 stop6h 19m

$260

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Fri 9/26

5:25 am-8:46 am

1 stop4h 21m

San Francisco

Tue 9/30

12:30 pm-10:35 pm

2 stops9h 05m

$266

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Wed 9/24

6:00 am-10:32 am

1 stop5h 32m

San Francisco

Mon 9/29

7:07 pm-3:03 pm

2 stops18h 56m

$277

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Tue 7/29

5:00 am-9:45 am

1 stop5h 45m

San Francisco

Tue 8/5

6:30 am-1:17 pm

1 stop5h 47m

$285

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Tue 7/29

5:40 am-5:54 pm

1 stop13h 14m

San Francisco

Mon 8/4

12:55 am-1:28 pm

1 stop11h 33m

$463

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Fri 8/8

10:26 pm-8:08 am

3 stops34h 42m

San Francisco

Thu 8/14

11:59 pm-8:22 pm

2 stops19h 23m

$615

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Sat 8/2

5:20 am-9:17 am

1 stop4h 57m

$143

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

Thu 7/17

3:45 pm-7:48 pm

1 stop5h 03m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

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 $360). 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?

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 July 3, 2025.

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.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Billings to San Francisco by reading reviews from past customers. 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
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    According to our current data, Hawaiian Airlines ($260), Delta ($266), and Alaska Airlines ($277) offers the cheapest pricing from Billings to San Francisco. These flights start at 24% 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 $360). 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

Traveling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Antioch
Hollister
Newark
Alameda
Hayward
Milpitas
Sunnyvale
Daly City
Campbell
Foster City
Capitola
Richmond

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Top 3 airlines flying from Billings to San Francisco

Discover the top 3 airlines that operate flights from Billings to San Francisco. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$220Average$403FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$223Average$325FlexibilityNo cancel feeOn-time75%
DeltaCheapest$244Average$305FlexibilityNo cancel feeOn-timeN/A

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