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Billings

$217+ Cheap flights from San Francisco to Billings (SFO - BIL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIL
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap 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 January 22, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/185:10 am
SFO
-
BIL
1 stop7h 13m
United Airlines
Wed 2/255:53 pm
BIL
-
SFO
1 stop6h 25m
United Airlines
Deal found 1/19$217
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:05 pm
SFO
-
BIL
1 stop4h 21m
Delta
Wed 2/2511:45 am
BIL
-
SFO
2 stops11h 56m
Delta
Deal found 1/20$220
This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:21 pm
SFO
-
BIL
1 stop6h 17m
Hawaiian Airlines
Sat 3/143:32 pm
BIL
-
SFO
1 stop5h 15m
Hawaiian Airlines
Deal found 1/20$243
This Delta deal was found by Cheapflights users on 1/22. 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.
Wed 5/135:00 pm
SFO
-
BIL
1 stop4h 27m
Delta
Sat 5/165:45 am
BIL
-
SFO
1 stop4h 24m
Delta
Deal found 1/22$246
This Alaska Airlines deal was found by Cheapflights users on 1/22. 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.
Tue 5/122:00 pm
SFO
-
BIL
1 stop7h 59m
Alaska Airlines
Tue 5/193:34 pm
BIL
-
SFO
1 stop5h 13m
Alaska Airlines
Deal found 1/22$255
This Delta deal was found by Cheapflights users on 1/22. 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.
Tue 5/127:00 am
SFO
-
BIL
2 stops14h 37m
Delta
Sat 5/166:25 pm
BIL
-
SFO
1 stop4h 47m
Delta
Deal found 1/22$265
This Delta deal was found by Cheapflights users on 1/21. 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 4/175:01 pm
SFO
-
BIL
1 stop4h 25m
Delta
Mon 4/206:18 pm
BIL
-
SFO
1 stop6h 39m
Delta
Deal found 1/21$275
This Delta deal was found by Cheapflights users on 1/22. 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.
Mon 5/115:00 pm
SFO
-
BIL
1 stop4h 27m
Delta
Sat 5/166:25 pm
BIL
-
SFO
1 stop4h 47m
Delta
Deal found 1/22$278
This Delta deal was found by Cheapflights users on 1/22. 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.
Wed 5/135:00 pm
SFO
-
BIL
1 stop4h 27m
Delta
Tue 5/195:45 am
BIL
-
SFO
2 stops15h 34m
Delta
Deal found 1/22$294
This Alaska Airlines deal was found by Cheapflights users on 1/22. 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.
Tue 5/122:00 pm
SFO
-
BIL
1 stop7h 59m
Alaska Airlines
Wed 5/201:56 pm
BIL
-
SFO
1 stop8h 16m
Alaska Airlines
Deal found 1/22$295
This Alaska Airlines deal was found by Cheapflights users on 1/22. 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 5/146:40 am
SFO
-
BIL
1 stop5h 36m
Alaska Airlines
Sat 5/163:34 pm
BIL
-
SFO
1 stop5h 13m
Alaska Airlines
Deal found 1/22$297

Find 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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$217
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$370
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
Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 22, 2026.
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

Wed 2/18

5:10 am-1:23 pm

1 stop7h 13m

Billings Logan Intl

Wed 2/25

5:53 pm-11:18 pm

1 stop6h 25m

$217

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Wed 2/18

5:05 pm-10:26 pm

1 stop4h 21m

Billings Logan Intl

Wed 2/25

11:45 am-10:41 pm

2 stops11h 56m

$220

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Sat 3/7

4:21 pm-11:38 pm

1 stop6h 17m

Billings Logan Intl

Sat 3/14

3:32 pm-7:47 pm

1 stop5h 15m

$243

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Wed 5/13

8:55 am-10:27 pm

2 stops12h 32m

Billings Logan Intl

Sat 5/16

6:25 pm-10:12 pm

1 stop4h 47m

$265

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Tue 5/12

7:00 am-10:37 pm

2 stops14h 37m

Billings Logan Intl

Sat 5/16

6:25 pm-10:12 pm

1 stop4h 47m

$265

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Fri 4/17

5:01 pm-10:26 pm

1 stop4h 25m

Billings Logan Intl

Mon 4/20

6:18 pm-11:57 pm

1 stop6h 39m

$275

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Tue 5/12

5:00 pm-10:27 pm

1 stop4h 27m

Billings Logan Intl

Sun 5/17

5:45 am-9:09 am

1 stop4h 24m

$278

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Wed 5/13

6:40 am-1:16 pm

1 stop5h 36m

Billings Logan Intl

Tue 5/19

3:34 pm-7:47 pm

1 stop5h 13m

$295

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Wed 5/13

5:00 pm-10:27 pm

1 stop4h 27m

Billings Logan Intl

Sun 5/17

5:45 am-9:09 am

1 stop4h 24m

$307

San FranciscoBillings

SFO - BIL

SFOBIL

San Francisco

Fri 4/17

8:00 am-1:25 pm

1 stop4h 25m

Billings Logan Intl

Mon 4/20

2:05 pm-10:17 am

2 stops21h 12m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 11 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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

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

Currently, July is the cheapest month in which you can book a flight from San Francisco to Billings (average of $190). Flying from San Francisco to Billings in November is currently the most expensive (average of $363). 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.

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 January 22, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from San Francisco to Billings by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,775 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,088 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,190 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from San Francisco to Billings?

    There are many flights that can get you from San Francisco to Billings in 4h 21m. Fly via United Airlines, Delta, or Hawaiian Airlines to get the fastest option. Airlines will cover a distance of 908 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Delta, at $254, was found to be the cheapest airline from San Francisco to Billings.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. These flights start at 37% lower than the current average price 3 months from now.

  • 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, July is the cheapest month in which you can book a flight from San Francisco to Billings (average of $190). Flying from San Francisco to Billings in November is currently the most expensive (average of $363). 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$348FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$258Average$543FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$299Average$401FlexibilityNo cancel feeOn-time69%

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