$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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIL
Jun 15 — Jun 221
Round-trip
1 adult, Economy
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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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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 May 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 May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Wed 7/297:54 pm
SFO
- BIL
2 stops20h 12m
Multiple Airlines
Mon 8/39:59 am
BIL
- SFO
1 stop25h 26m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 7/1610:56 pm
SFO
- BIL
1 stop9h 18m
Multiple Airlines
Mon 7/209:59 am
BIL
- SFO
1 stop10h 54m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Wed 7/227:11 pm
SFO
- BIL
1 stop20h 55m
Multiple Airlines
Mon 7/279:59 am
BIL
- SFO
1 stop25h 26m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 5/12. 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 6/25:40 am
SFO
- BIL
1 stop4h 14m
Delta
Sun 6/75:20 am
BIL
- SFO
1 stop4h 36m
Delta
Deal found 5/12![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 8/258:20 am
SFO
- BIL
1 stop5h 42m
Alaska Airlines
Sat 8/296:05 am
BIL
- SFO
1 stop7h 54m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/16. 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.
Thu 7/235:07 pm
SFO
- BIL
1 stop4h 43m
Delta
Sun 7/265:20 am
BIL
- SFO
1 stop4h 31m
Delta
Deal found 5/16![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 5/12. 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.
Mon 7/275:50 am
SFO
- BIL
1 stop4h 19m
Delta
Mon 7/276:34 pm
BIL
- SFO
1 stop6h 18m
Delta
Deal found 5/12![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Wed 8/55:11 pm
SFO
- BIL
2 stops22h 52m
Multiple Airlines
Mon 8/1010:00 am
BIL
- SFO
1 stop10h 53m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:07 pm
SFO
- BIL
1 stop17h 06m
Multiple Airlines
Thu 6/255:35 pm
BIL
- SFO
1 stop23h 46m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$392
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 May 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 May 16, 2026.
This Delta deal was found by Cheapflights users on 5/14. 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.
Sun 9/206:00 am
SFO
- BIL
1 stop4h 00m
Delta
Sat 9/266:25 pm
BIL
- SFO
1 stop6h 27m
Delta
Deal found 5/14![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 8/253:23 pm
SFO
- BIL
1 stop7h 06m
Alaska Airlines
Sat 8/2912:11 pm
BIL
- SFO
1 stop6h 49m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/12. 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.
Wed 9/235:00 pm
SFO
- BIL
1 stop4h 27m
Delta
Sun 9/276:25 pm
BIL
- SFO
1 stop6h 27m
Delta
Deal found 5/12![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/11. 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 8/236:00 am
SFO
- BIL
1 stop4h 07m
Delta
Sat 8/295:10 am
BIL
- SFO
1 stop4h 36m
Delta
Deal found 5/11![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:07 pm
SFO
- BIL
1 stop4h 43m
Delta
Sun 7/265:20 am
BIL
- SFO
1 stop4h 31m
Delta
Deal found 5/13![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/12. 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.
Wed 7/295:07 pm
SFO
- BIL
1 stop4h 43m
Delta
Tue 8/46:34 pm
BIL
- SFO
1 stop4h 28m
Delta
Deal found 5/12![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/11. 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 8/236:00 am
SFO
- BIL
1 stop4h 07m
Delta
Sun 8/305:10 am
BIL
- SFO
1 stop4h 36m
Delta
Deal found 5/11![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:50 am
SFO
- BIL
1 stop4h 09m
Delta
Thu 6/256:40 pm
BIL
- SFO
1 stop6h 18m
Delta
Deal found 5/13![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/16. 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 9/45:00 pm
SFO
- BIL
1 stop4h 27m
Delta
Mon 9/75:45 am
BIL
- SFO
1 stop4h 24m
Delta
Deal found 5/16![Delta logo]()
$359
Last-minute flights from San Francisco to BillingsDiscover last-minute flight deals from San Francisco to Billings. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Billings. Data last updated May 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Mon 6/16:15 am
SFO
- BIL
1 stop6h 07m
United Airlines
Sat 6/136:00 pm
BIL
- SFO
1 stop5h 56m
United Airlines
Deal found 5/11![United Airlines logo]()
$456
This Expedia deal was found by Cheapflights users on 5/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:44 pm
SFO
- BIL
1 stop4h 49m
Alaska Airlines
Fri 6/57:21 pm
BIL
- SFO
1 stop15h 11m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:24 pm
SFO
- BIL
2 stops16h 57m
Alaska Airlines
Sat 6/136:00 am
BIL
- SFO
1 stop6h 09m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 5/12. 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 6/25:40 am
SFO
- BIL
1 stop4h 14m
Delta
Sun 6/75:20 am
BIL
- SFO
1 stop4h 36m
Delta
Deal found 5/12![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 5/12. 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.
Sat 6/65:55 pm
SFO
- BIL
1 stop3h 57m
Delta
Tue 6/96:40 pm
BIL
- SFO
1 stop4h 25m
Delta
Deal found 5/12![Delta logo]()
$359
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:40 am
SFO
- BIL
1 stop6h 14m
Alaska Airlines
Tue 6/92:01 pm
BIL
- SFO
2 stops6h 55m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 5/12. 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 6/95:25 pm
SFO
- BIL
1 stop4h 24m
Delta
Tue 6/166:40 pm
BIL
- SFO
1 stop6h 18m
Delta
Deal found 5/12![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 6/93:00 pm
SFO
- BIL
2 stops7h 33m
Alaska Airlines
Tue 6/167:22 pm
BIL
- SFO
1 stop14h 58m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 6/117:20 am
SFO
- BIL
1 stop6h 43m
Alaska Airlines
Wed 6/177:22 pm
BIL
- SFO
1 stop14h 58m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:07 pm
SFO
- BIL
1 stop17h 06m
Multiple Airlines
Thu 6/255:35 pm
BIL
- SFO
1 stop23h 46m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:50 am
SFO
- BIL
1 stop4h 09m
Delta
Thu 6/2511:50 am
BIL
- SFO
2 stops9h 29m
Delta
Deal found 5/13![Delta logo]()
$489
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 May 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 May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Sun 8/1610:56 pm
SFO
- BIL
1 stop9h 14m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Sun 6/710:50 pm
SFO
- BIL
2 stops37h 53m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 5/12. 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.
Sat 6/65:55 pm
SFO
- BIL
1 stop3h 57m
Delta
Deal found 5/12![Delta logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Sat 5/305:25 pm
SFO
- BIL
2 stops22h 47m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 5/12. 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 5/289:30 am
SFO
- BIL
2 stops12h 22m
Delta
Deal found 5/12![Delta logo]()
$265
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 May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Kiwi.com) |
One-way from | $143 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $485 |
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 May 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
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Sun 9/20
6:00 am-11:00 am
1 stop4h 00m
Billings Logan Intl
Sat 9/26
6:25 pm-11:52 pm
1 stop6h 27m
$359
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Tue 8/25
3:23 pm-11:29 pm
1 stop7h 06m
Billings Logan Intl
Sat 8/29
12:11 pm-6:00 pm
1 stop6h 49m
$359
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Wed 9/23
5:00 pm-10:27 pm
1 stop4h 27m
Billings Logan Intl
Sun 9/27
6:25 pm-11:52 pm
1 stop6h 27m
$359
Quickest round-trip
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Sun 8/23
6:00 am-11:07 am
1 stop4h 07m
Billings Logan Intl
Sat 8/29
5:10 am-8:46 am
1 stop4h 36m
$359
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Thu 7/23
5:07 pm-10:50 pm
1 stop4h 43m
Billings Logan Intl
Sun 7/26
5:20 am-8:51 am
1 stop4h 31m
$359
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Wed 7/29
5:07 pm-10:50 pm
1 stop4h 43m
Billings Logan Intl
Tue 8/4
6:34 pm-10:02 pm
1 stop4h 28m
$359
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Sun 8/23
6:00 am-11:07 am
1 stop4h 07m
Billings Logan Intl
Sun 8/30
5:10 am-8:46 am
1 stop4h 36m
$359
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Mon 6/22
5:50 am-10:59 am
1 stop4h 09m
Billings Logan Intl
Thu 6/25
6:40 pm-11:58 pm
1 stop6h 18m
$359
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Fri 9/4
5:00 pm-10:27 pm
1 stop4h 27m
Billings Logan Intl
Mon 9/7
5:45 am-9:09 am
1 stop4h 24m
$359
Cheapest one-way
San FranciscoBillings
SFO - BIL
SFOBIL
San Francisco
Sun 8/16
10:56 pm-9:10 am
1 stop9h 14m
$143
Showing 1-10 of 19 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 May.
| 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
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 $258). Flying from San Francisco to Billings in July is currently the most expensive (average of $638). 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.
How much does it cost to fly round-trip 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 May 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.
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
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
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Complete your trip
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Other flights from San Francisco
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 May 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 May 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 May 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 May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$254 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$508 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$299 | Average$401 | FlexibilityNo cancel fee | On-time69% |