HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Billings

$122+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIL
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Billings with Cheapflights

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 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$245
(Delta)

One-way from

$122
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$346
Provider with most accurate pricing for San Francisco-Billings Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Billings Logan Intl flights.
Search Deals
From San Francisco to Billings Logan Intl
Search Deals
One-way flight from San Francisco to Billings Logan Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 15, 2025.

This Delta deal was found by Cheapflights users on 4/14. 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 6/55:05 pmSFO - BIL
1 stop6h 14mDelta
Thu 6/125:20 amBIL - SFO
1 stop5h 02mDelta
Deal found 4/14$245
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 5/298:00 amSFO - BIL
2 stops9h 44mAlaska Airlines
Thu 6/57:24 pmBIL - SFO
1 stop5h 20mAlaska Airlines
Deal found 4/14$309
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Thu 5/296:09 pmSFO - BIL
2 stops26h 22mMultiple Airlines
Thu 6/59:55 pmBIL - SFO
3 stops20h 15mMultiple Airlines
Deal found 4/14$548
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Thu 7/1012:59 amSFO - BIL
1 stop11h 29mAmerican Airlines
Wed 7/166:00 amBIL - SFO
1 stop12h 54mAmerican Airlines
Deal found 4/14$577
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Mon 4/285:00 amSFO - BIL
1 stop7h 18mUnited Airlines
Mon 4/285:49 pmBIL - SFO
2 stops16h 38mUnited Airlines
Deal found 4/13$613

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 April 15, 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 6/5

5:05 pm-12:19 am

1 stop6h 14m

Billings Logan Intl

Thu 6/12

5:20 am-9:22 am

1 stop5h 02m

$245

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Thu 5/29

8:00 am-6:44 pm

2 stops9h 44m

Billings Logan Intl

Thu 6/5

7:24 pm-11:44 pm

1 stop5h 20m

$309

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Thu 5/29

6:09 pm-9:31 pm

2 stops26h 22m

Billings Logan Intl

Thu 6/5

9:55 pm-5:10 pm

3 stops20h 15m

$548

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Thu 7/10

12:59 am-1:28 pm

1 stop11h 29m

Billings Logan Intl

Wed 7/16

6:00 am-5:54 pm

1 stop12h 54m

$577

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Mon 4/28

5:00 am-1:18 pm

1 stop7h 18m

Billings Logan Intl

Mon 4/28

5:49 pm-9:27 am

2 stops16h 38m

$613

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Wed 5/7

5:45 pm-11:59 pm

1 stop5h 14m

$122

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Thu 5/8

5:55 am-10:52 am

1 stop3h 57m

$123

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Mon 4/28

4:49 pm-11:59 pm

1 stop6h 10m

$259

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Tue 5/6

12:10 am-1:18 pm

2 stops12h 08m

$404

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Sun 4/27

12:47 am-1:28 pm

1 stop11h 41m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Compare providers for flights from San Francisco to Billings

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 San Francisco to Billings in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 San Francisco-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Billings flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Billings 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 San Francisco-Billings 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 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 April 11, 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, February 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 $581). 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 April 15, 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.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Billings. Price data was last updated on December 16, 2024.

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

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 April 15, 2025.
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,373 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $245, was found to be the cheapest airline from San Francisco to Billings.Alternate airlines to your destination round-trip include Alaska Airlines and American Airlines. These flights start at 42% 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $122. Delta flights start at $123 while deals on Hawaiian Airlines start at $259 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, February 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 $581). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Billings

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kalispell flights
San Francisco to Bozeman flights
San Francisco to Kalispell flights
Los Angeles to Bozeman flights
San Diego to Kalispell flights
San Francisco to Missoula flights
Ontario to Kalispell flights
Los Angeles to Missoula flights
San Diego to Bozeman flights
Ontario to Bozeman flights
San Diego to Missoula flights
Santa Ana to Kalispell flights
San Jose to Kalispell flights
Sacramento to Bozeman flights
San Jose to Bozeman flights
Burbank to Bozeman flights
Ontario to Missoula flights
Los Angeles to Billings flights
Sacramento to Kalispell flights
San Jose to Billings flights
San Diego to Billings flights
Santa Ana to Bozeman flights
San Jose to Missoula flights
Oakland to Bozeman flights
Los Angeles to West Yellowstone flights
Burbank to Kalispell flights
Santa Ana to Missoula flights
Fresno to Kalispell flights
Las Vegas to Kalispell flights
San Francisco to West Yellowstone flights
Las Vegas to Bozeman flights
Oakland to Kalispell flights
Oakland to Missoula flights
Reno to Missoula flights
Fresno to Bozeman flights
Ontario to Billings flights
Burbank to Helena flights
Las Vegas to Missoula flights
Sacramento to Billings flights
Santa Ana to Helena flights
San Francisco to Helena flights
Medford to Kalispell flights
Palm Springs to Bozeman flights
Los Angeles to Helena flights
Santa Ana to Billings flights
Long Beach to Bozeman flights
Burbank to Missoula flights
Santa Rosa to Bozeman flights
Sacramento to Helena flights

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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$247Average$515FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$294Average$844FlexibilityNo cancel feeOn-time69%
DeltaCheapest$294Average$394FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.