$103+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIL
Dec 10 — Dec 171
Round-trip
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.Cheap flight deals from San Francisco to Billings
Cheapest
Best
Last-minute
One-way
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 November 10, 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 November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Wed 12/26:30 pm -
1 stop25h 27m
Sun 12/69:47 pm -
1 stop14h 39m
Deal found 11/5![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/72:22 pm -
1 stop23h 50m
Mon 12/145:15 pm -
1 stop17h 19m
Deal found 11/7![Multiple Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/316:58 pm -
1 stop19h 00m
Tue 1/57:30 am -
1 stop27h 15m
Deal found 11/4![Alaska Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/79:41 pm -
1 stop16h 11m
Fri 12/117:01 am -
1 stop27h 37m
Deal found 11/4![Alaska Airlines logo]()
$368
This deal was found by Cheapflights users on 11/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:40 am -
1 stop6h 18m
Thu 12/243:38 pm -
1 stop5h 17m
Deal found 11/5![Alaska Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Wed 11/251:26 pm -
1 stop6h 55m
Mon 11/3010:57 am -
1 stop23h 43m
Deal found 11/6![Multiple Airlines logo]()
$398
This Expedia deal was found by Cheapflights users on 11/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/309:26 pm -
1 stop12h 50m
Tue 1/57:30 am -
1 stop7h 07m
Deal found 11/7![Alaska Airlines logo]()
$419
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 November 10, 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 November 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/79:41 pm -
1 stop16h 11m
Fri 12/117:01 am -
1 stop27h 37m
Deal found 11/4![Alaska Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 11/7. 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 1/66:05 am -
2 stops10h 42m
Wed 1/131:13 pm -
2 stops11h 44m
Deal found 11/7![Delta logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Wed 11/251:26 pm -
1 stop6h 55m
Mon 11/3010:57 am -
1 stop23h 43m
Deal found 11/6![Multiple Airlines logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 1/2810:27 am -
2 stops12h 20m
Sun 1/313:39 pm -
1 stop18h 27m
Deal found 11/5![Alaska Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 11/6. 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 1/286:05 am -
2 stops10h 42m
Sun 1/311:13 pm -
2 stops11h 44m
Deal found 11/6![Delta logo]()
$439
Last-minute flights from San Francisco to BillingsDiscover last-minute flight deals from San Francisco to Billings. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Billings. Data last updated November 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Wed 11/251:26 pm -
1 stop6h 55m
Mon 11/3010:57 am -
1 stop23h 43m
Deal found 11/6![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Wed 12/26:30 pm -
1 stop25h 27m
Sun 12/69:47 pm -
1 stop14h 39m
Deal found 11/5![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/72:22 pm -
1 stop23h 50m
Mon 12/145:15 pm -
1 stop17h 19m
Deal found 11/7![Multiple Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/79:41 pm -
1 stop16h 11m
Fri 12/117:01 am -
1 stop27h 37m
Deal found 11/4![Alaska Airlines logo]()
$368
This deal was found by Cheapflights users on 11/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:40 am -
1 stop6h 18m
Thu 12/243:38 pm -
1 stop5h 17m
Deal found 11/5![Alaska Airlines logo]()
$373
This Expedia deal was found by Cheapflights users on 11/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/309:26 pm -
1 stop12h 50m
Tue 1/57:30 am -
1 stop7h 07m
Deal found 11/7![Alaska Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/316:58 pm -
1 stop19h 00m
Tue 1/57:30 am -
1 stop27h 15m
Deal found 11/4![Alaska Airlines logo]()
$363
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 November 10, 2026.
Search for one-way flight options from San Francisco to Billings. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This WAYA deal was found by Cheapflights users on 11/5. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:06 pm -
1 stop18h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$103
This Delta deal was found by Cheapflights users on 11/5. 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 12/46:00 am -
2 stops10h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$152
This WAYA deal was found by Cheapflights users on 11/5. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:00 am -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Tue 11/249:11 pm -
1 stop23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 11/6. 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 11/2311:44 am -
2 stops9h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/235:00 am -
1 stop7h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 11/2410:16 am -
2 stops9h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$393
This Priceline deal was found by Cheapflights users on 11/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
2 stops7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Alaska Airlines logo]()
$473
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Kiwi.com) |
One-way from | $103 (WAYA) |
Popular in | December |
Cheapest in | February |
Average price | $469 |
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 7,457,451 searches. Data last updated November 10, 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
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Thu 12/3
9:06 pm-4:25 pm
1 stop18h 19m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$103
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Fri 12/4
6:00 am-5:41 pm
2 stops10h 41m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$152
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Fri 12/4
7:00 am-4:25 pm
1 stop8h 25m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Tue 11/24
9:11 pm-9:21 pm
1 stop23h 10m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Mon 12/7
9:41 pm-2:52 pm
1 stop16h 11m
Billings Logan Intl
Fri 12/11
7:01 am-9:38 am
1 stop27h 37m
$368
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Wed 1/6
6:05 am-5:47 pm
2 stops10h 42m
Billings Logan Intl
Wed 1/13
1:13 pm-11:57 pm
2 stops11h 44m
$385
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Mon 11/23
5:00 am-1:29 pm
1 stop7h 29m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$388
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Wed 11/25
2:24 pm-9:14 pm
1 stop5h 50m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$388
Quickest round-trip
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Mon 11/23
5:19 pm-10:20 pm
1 stop4h 01m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$388
San FranciscoBillings
SFO San Francisco - BIL Billings Logan Intl
SFOBIL
San Francisco
Tue 11/24
10:16 am-9:14 pm
2 stops9h 58m
Billings Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$393
Showing 1-10 of 13 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 November 10, 2026.
Get a feel of what it's like to fly with Alaska Airlines and Delta 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.
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.5
Entertainment
7.0
Comfort
7.8
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.
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
Billings flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Francisco
Popular flights
Alternative routes for San Francisco to Billings
See prices for flight routes from nearby airports that may be better suited for you.
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 November 10, 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 November 10, 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 November 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Francisco to Billings
Discover the top 2 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 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$255 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$348 | Average$563 | FlexibilityNo cancel fee | On-time75% |