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$143+ Cheap flights from San Francisco to Billings (SFO - BIL)

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Billings Logan Intl are usually found in September or February, booked 45 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap flight deals from San Francisco to Billings

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Billings (BIL). 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 June 12, 2025.

Round-trip from

$266
(Delta)

One-way from

$143
(Delta)

Popular in

December

Cheapest in

September

Average price

$454
From San Francisco to Billings Logan Intl
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One-way flight from San Francisco to Billings Logan Intl
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Highest demand for flights based on searches. 15% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from San Francisco to Billings

Cheapest flights from San Francisco to Billings
Explore the most affordable flight options available from San Francisco to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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.
Thu 10/23:00 pmSFO - BIL
1 stop6h 44mDelta
Mon 10/65:59 pmBIL - SFO
1 stop6h 54mDelta
Deal found 6/12$247
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 10/28:00 amSFO - BIL
1 stop4h 24mAlaska Airlines
Mon 10/67:18 pmBIL - SFO
2 stops14h 30mAlaska Airlines
Deal found 6/12$315
This Surpr!ce deal was found by Cheapflights users on 6/12. 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 Surpr!ce is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:30 amSFO - BIL
1 stop5h 47mUnited Airlines
Mon 9/292:30 pmBIL - SFO
1 stop7h 24mUnited Airlines
Deal found 6/12$337
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 8/74:44 pmSFO - BIL
1 stop6h 24mHawaiian Airlines
Mon 8/117:17 pmBIL - SFO
1 stop5h 41mHawaiian Airlines
Deal found 6/12$356
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/2512:55 amSFO - BIL
1 stop11h 33mAmerican Airlines
Sat 8/26:00 amBIL - SFO
1 stop12h 54mAmerican Airlines
Deal found 6/11$531
This United deal was found by Cheapflights users on 6/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/265:00 amSFO - BIL
1 stop7h 17mMultiple Airlines
Thu 6/263:45 pmBIL - SFO
1 stop5h 03mMultiple Airlines
Deal found 6/10$712

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Billings 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 June 12, 2025.
Use the filters below to find and compare flights from San Francisco to Billings that are best for you.

Fly from

San Francisco

Fly to

Billings

Route

Depart

Return

Price

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Thu 10/2

3:00 pm-10:44 pm

1 stop6h 44m

Billings Logan Intl

Mon 10/6

5:59 pm-11:53 pm

1 stop6h 54m

$247

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Thu 10/2

8:00 am-1:24 pm

1 stop4h 24m

Billings Logan Intl

Mon 10/6

7:18 pm-8:48 am

2 stops14h 30m

$315

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Sun 7/20

6:30 am-1:17 pm

1 stop5h 47m

Billings Logan Intl

Mon 9/29

2:30 pm-8:54 pm

1 stop7h 24m

$337

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Thu 8/7

4:44 pm-12:08 am

1 stop6h 24m

Billings Logan Intl

Mon 8/11

7:17 pm-11:58 pm

1 stop5h 41m

$356

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Fri 7/25

12:55 am-1:28 pm

1 stop11h 33m

Billings Logan Intl

Sat 8/2

6:00 am-5:54 pm

1 stop12h 54m

$531

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Thu 6/26

5:00 am-1:17 pm

1 stop7h 17m

Billings Logan Intl

Thu 6/26

3:45 pm-7:48 pm

1 stop5h 03m

$712

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Fri 7/18

7:29 pm-12:07 am

1 stop3h 38m

$143

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Sat 7/19

8:55 am-10:47 pm

2 stops12h 52m

$233

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Sun 7/20

12:55 am-1:28 pm

1 stop11h 33m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from San Francisco to Billings

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Billings. Price data was last updated on June 9, 2025.

The price you pay for your flight from San Francisco to Billings may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Billings (average of $396). Flying from San Francisco to Billings in June is currently the most expensive (average of $517). 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 SFO to BIL?

Find hourly flight availability from San Francisco to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Billings in the evening. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight at noon.

Rainfall in Billings by month

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

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

Temperature in Billings by month

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

If weather is an important factor for your trip to Billings, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from San Francisco to Billings, such as Alaska Airlines, Delta and Hawaiian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

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 San Francisco to Billings. 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 San Francisco to Billings round-trip?

    Delta, at $266, was found to be the cheapest airline from San Francisco to Billings.Alternate airlines to your destination round-trip include United Airlines and Hawaiian Airlines. These flights start at 36% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $143. United Airlines flights start at $233 while deals on American Airlines start at $324 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Billings 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 San Francisco to Billings?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Billings (average of $396). Flying from San Francisco to Billings in June is currently the most expensive (average of $517). 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

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Top 3 airlines flying from San Francisco to Billings

Discover the top 3 airlines that operate flights from San Francisco to Billings. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$247Average$530FlexibilityNo cancel feeOn-time75%
DeltaCheapest$265Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$294Average$547FlexibilityNo cancel feeOn-time69%

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