$126+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIL
Apr 15 — Apr 221
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Billings
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Cheapest flights from San Francisco to BillingsExplore 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 March 16, 2026.
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 March 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:40 pm
SFO
- BIL
1 stop9h 34m
Multiple Airlines
Mon 5/1110:34 am
BIL
- SFO
1 stop25h 07m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$184
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 4/159:59 am
SFO
- BIL
1 stop12h 59m
Alaska Airlines
Wed 4/227:00 am
BIL
- SFO
1 stop8h 21m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2510:24 pm
SFO
- BIL
1 stop9h 46m
Multiple Airlines
Mon 6/2910:00 am
BIL
- SFO
1 stop9h 25m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/287:40 am
SFO
- BIL
1 stop4h 46m
Alaska Airlines
Sat 5/212:47 pm
BIL
- SFO
1 stop5h 04m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:58 pm
SFO
- BIL
1 stop14h 45m
Multiple Airlines
Sun 6/285:35 pm
BIL
- SFO
1 stop28h 29m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:40 am
SFO
- BIL
1 stop5h 43m
United Airlines
Sat 4/185:51 pm
BIL
- SFO
1 stop6h 04m
United Airlines
Deal found 3/14![United Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 3/16. 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 5/65:40 am
SFO
- BIL
1 stop4h 13m
Delta
Tue 5/126:19 pm
BIL
- SFO
1 stop7h 08m
Delta
Deal found 3/16![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 3/16. 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 4/175:40 am
SFO
- BIL
1 stop4h 13m
Delta
Mon 4/206:18 pm
BIL
- SFO
1 stop6h 41m
Delta
Deal found 3/16![Delta logo]()
$309
Best flights from San Francisco to BillingsDiscover carefully curated flight deals from San Francisco to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 16, 2026.
Discover carefully curated flight deals from San Francisco to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/287:40 am
SFO
- BIL
1 stop4h 46m
Alaska Airlines
Sat 5/212:47 pm
BIL
- SFO
1 stop5h 04m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:40 am
SFO
- BIL
1 stop5h 43m
United Airlines
Sat 4/185:51 pm
BIL
- SFO
1 stop6h 04m
United Airlines
Deal found 3/14![United Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:00 pm
SFO
- BIL
1 stop4h 24m
Delta
Mon 4/206:18 pm
BIL
- SFO
1 stop6h 41m
Delta
Deal found 3/11![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 3/16. 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 5/65:59 am
SFO
- BIL
2 stops15h 25m
Delta
Tue 5/126:19 pm
BIL
- SFO
1 stop4h 11m
Delta
Deal found 3/16![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:00 am
SFO
- BIL
1 stop7h 23m
United Airlines
Sat 4/255:51 pm
BIL
- SFO
1 stop6h 04m
United Airlines
Deal found 3/12![United Airlines logo]()
$335
Last-minute flights from San Francisco to BillingsDiscover last-minute flight deals from San Francisco to Billings. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Billings. Data last updated March 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:40 am
SFO
- BIL
1 stop5h 43m
United Airlines
Sat 4/185:51 pm
BIL
- SFO
1 stop6h 04m
United Airlines
Deal found 3/14![United Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 3/12. 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.
Fri 4/175:00 pm
SFO
- BIL
1 stop4h 24m
Delta
Mon 4/206:18 pm
BIL
- SFO
1 stop6h 41m
Delta
Deal found 3/12![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:00 am
SFO
- BIL
1 stop7h 23m
United Airlines
Sat 4/255:51 pm
BIL
- SFO
1 stop6h 04m
United Airlines
Deal found 3/12![United Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/287:40 am
SFO
- BIL
1 stop4h 46m
Alaska Airlines
Sat 5/212:47 pm
BIL
- SFO
1 stop5h 04m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$261
One-way flights from San Francisco to BillingsSearch for one-way flight options from San Francisco to Billings. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
Search for one-way flight options from San Francisco to Billings. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/148:00 am
SFO
- BIL
1 stop4h 25m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:32 am
SFO
- BIL
2 stops10h 52m
Delta
Deal found 3/11![Delta logo]()
$137
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:00 am
SFO
- BIL
1 stop7h 23m
United Airlines
Deal found 3/11![United Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 3/12. 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.
Tue 4/1410:32 am
SFO
- BIL
2 stops10h 52m
Delta
Deal found 3/12![Delta logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:40 pm
SFO
- BIL
1 stop9h 30m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$155
This Delta deal was found by Cheapflights users on 3/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:40 am
SFO
- BIL
1 stop4h 13m
Delta
Deal found 3/11![Delta logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/301:47 pm
SFO
- BIL
1 stop18h 27m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:18 am
SFO
- BIL
2 stops22h 56m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$192
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 5/205:00 am
SFO
- BIL
1 stop7h 23m
United Airlines
Deal found 3/13![United Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:47 pm
SFO
- BIL
3 stops20h 03m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/214:00 pm
SFO
- BIL
1 stop16h 10m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$240
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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $184 (Kiwi.com) |
One-way from | $126 (Alaska Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $542 |
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 March 16, 2026.
Use the filters below to find and compare flights from San Francisco to Billings that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Tue 4/28
7:40 am-1:26 pm
1 stop4h 46m
Billings Logan Intl
Sat 5/2
12:47 pm-4:51 pm
1 stop5h 04m
$261
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Sat 4/11
6:40 am-1:23 pm
1 stop5h 43m
Billings Logan Intl
Sat 4/18
5:51 pm-10:55 pm
1 stop6h 04m
$301
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Fri 4/17
5:00 pm-10:24 pm
1 stop4h 24m
Billings Logan Intl
Mon 4/20
6:18 pm-11:59 pm
1 stop6h 41m
$301
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Wed 5/6
5:59 am-10:24 pm
2 stops15h 25m
Billings Logan Intl
Tue 5/12
6:19 pm-9:30 pm
1 stop4h 11m
$325
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Sun 4/19
5:00 am-1:23 pm
1 stop7h 23m
Billings Logan Intl
Sat 4/25
5:51 pm-10:55 pm
1 stop6h 04m
$335
Cheapest one-way
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Wed 4/22
6:40 am-1:23 pm
1 stop5h 43m
$126
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Wed 4/22
10:32 am-10:24 pm
2 stops10h 52m
$137
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Thu 4/23
5:00 am-1:23 pm
1 stop7h 23m
$144
Quickest one-way
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Sun 4/12
5:40 am-10:53 am
1 stop4h 13m
$178
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Thu 4/30
9:18 am-9:14 am
2 stops22h 56m
$189
Showing 1-10 of 16 resultsSorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
SFO-BIL
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
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 March 16, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited 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.
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Food
7.1
Overall
7.9
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
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Complete your trip
Flights by cabin class
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Popular flights
Alternative routes for San Francisco to Billings
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Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 16, 2026.
Complete your trip
Complete your trip to Billings by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Billings by cabin class
Find flights from San Francisco to Billings, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Billings flights
Browse other San Francisco and Billings flight options. Last updated on March 16, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on March 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$254 | Average$343 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$553 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$299 | Average$374 | FlexibilityNo cancel fee | On-time69% |