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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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SFO
may. 25 — jun. 11
dom. 5/25
dom. 6/1
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 mayo 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$246
(Alaska Airlines)

One-way from

$143
(Delta)

Popular in

June

Cheapest in

April

Average price

$263
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
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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. 22% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
mié. 10/157:18 pmBIL - SFO
1 stop14h 58mAlaska Airlines
dom. 10/198:23 amSFO - BIL
1 stop5h 41mAlaska Airlines
Deal found 5/19$246
This Delta deal was found by Cheapflights users on 5/19. 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.
mié. 11/55:45 amBIL - SFO
2 stops7h 15mDelta
dom. 11/95:00 pmSFO - BIL
1 stop4h 32mDelta
Deal found 5/19$252
This United Airlines deal was found by Cheapflights users on 5/19. 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.
jue. 7/244:15 pmBIL - SFO
1 stop6h 31mUnited Airlines
mar. 7/296:30 amSFO - BIL
1 stop5h 47mUnited Airlines
Deal found 5/19$285
This Mytrip deal was found by Cheapflights users on 5/19. 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.
jue. 7/2410:04 pmBIL - SFO
3 stops20h 06mMultiple Airlines
mar. 7/296:05 pmSFO - BIL
2 stops24h 32mMultiple Airlines
Deal found 5/19$451
This American Airlines deal was found by Cheapflights users on 5/19. 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.
jue. 7/246:01 amBIL - SFO
1 stop12h 53mAmerican Airlines
lun. 7/2812:55 amSFO - BIL
1 stop11h 33mAmerican Airlines
Deal found 5/19$526
This Hawaiian Airlines deal was found by Cheapflights users on 5/20. 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.
dom. 6/16:05 amBIL - SFO
1 stop5h 17mHawaiian Airlines
mar. 6/35:49 pmSFO - BIL
1 stop5h 10mHawaiian Airlines
Deal found 5/20$584

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 mayo 20, 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

mié. 10/15

7:18 pm-9:16 am

1 stop14h 58m

San Francisco

dom. 10/19

8:23 am-3:04 pm

1 stop5h 41m

$246

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

mié. 11/5

5:45 am-12:00 pm

2 stops7h 15m

San Francisco

dom. 11/9

5:00 pm-10:32 pm

1 stop4h 32m

$252

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

jue. 7/24

4:15 pm-9:46 pm

1 stop6h 31m

San Francisco

mar. 7/29

6:30 am-1:17 pm

1 stop5h 47m

$285

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

jue. 7/24

10:04 pm-5:10 pm

3 stops20h 06m

San Francisco

mar. 7/29

6:05 pm-7:37 pm

2 stops24h 32m

$451

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

jue. 7/24

6:01 am-5:54 pm

1 stop12h 53m

San Francisco

lun. 7/28

12:55 am-1:28 pm

1 stop11h 33m

$526

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

dom. 6/1

6:05 am-10:22 am

1 stop5h 17m

San Francisco

mar. 6/3

5:49 pm-11:59 pm

1 stop5h 10m

$584

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

dom. 6/15

5:20 am-9:22 am

1 stop5h 02m

$143

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

mié. 7/2

7:00 am-12:04 pm

1 stop6h 04m

$358

BillingsSan Francisco

BIL - SFO

BILSFO

Billings Logan Intl

mié. 7/2

3:45 pm-11:57 pm

2 stops9h 12m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust 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 eDreams the most. eDreams 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

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 $375). 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 mayo 20, 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.

Rainfall in San Francisco by month

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

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

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 mayo 20, 2025.
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
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,446 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

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
8,744 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

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, Alaska Airlines ($246), Delta ($252), and United Airlines ($285) offers the cheapest pricing from Billings to San Francisco. These flights start at 29% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Billings to San Francisco one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $143. Users have also found prices from $358 and $417 on United Airlines and Alaska Airlines, respectively.

  • 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 $375). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Watsonville
Manteca
Fairfield
Newark
Richmond
Hollister
Milpitas
Antioch
Hayward
Alameda
Sunnyvale
Daly City
Campbell
Union City

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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 mayo 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$223Average$324FlexibilityNo cancel feeOn-time75%
DeltaCheapest$244Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$310Average$404FlexibilityNo cancel feeOn-time69%

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