$181+ Cheap flights from Billings to San Francisco (BIL - SFO)
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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SFO
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Find cheap flights from Billings to San Francisco 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 Billings to San Francisco
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Cheapest flights from Billings to San FranciscoExplore the most affordable flight options available from Billings to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
Explore the most affordable flight options available from Billings to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/235:56 pm
BIL
- SFO
1 stop23h 15m
Multiple Airlines
Sun 7/269:00 pm
SFO
- BIL
1 stop11h 09m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:12 pm
BIL
- SFO
1 stop5h 23m
Alaska Airlines
Wed 11/410:32 am
SFO
- BIL
1 stop5h 00m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$357
This Travelocity deal was found by Cheapflights users on 6/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:32 pm
BIL
- SFO
1 stop5h 12m
Alaska Airlines
Wed 10/219:00 am
SFO
- BIL
1 stop5h 04m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:51 pm
BIL
- SFO
1 stop16h 52m
Multiple Airlines
Mon 9/711:00 am
SFO
- BIL
1 stop8h 03m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 6/16. 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 7/96:34 pm
BIL
- SFO
1 stop4h 25m
Delta
Wed 7/155:07 pm
SFO
- BIL
1 stop4h 43m
Delta
Deal found 6/16![Delta logo]()
$397
This Expedia deal was found by Cheapflights users on 6/18. 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.
Thu 7/93:43 pm
BIL
- SFO
1 stop4h 47m
Alaska Airlines
Tue 7/148:30 am
SFO
- BIL
2 stops14h 21m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$398
Best flights from Billings to San FranciscoDiscover carefully curated flight deals from Billings to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
Discover carefully curated flight deals from Billings to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:12 pm
BIL
- SFO
1 stop5h 23m
Alaska Airlines
Wed 11/410:32 am
SFO
- BIL
1 stop5h 00m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/44:51 pm
BIL
- SFO
1 stop16h 52m
Multiple Airlines
Mon 9/711:00 am
SFO
- BIL
1 stop8h 03m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 6/16. 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 7/96:34 pm
BIL
- SFO
1 stop4h 25m
Delta
Mon 7/135:50 am
SFO
- BIL
1 stop4h 19m
Delta
Deal found 6/16![Delta logo]()
$397
This Booking.com deal was found by Cheapflights users on 6/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:42 pm
BIL
- SFO
1 stop5h 12m
Alaska Airlines
Mon 10/58:43 pm
SFO
- BIL
1 stop21h 09m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$380
This Delta deal was found by Cheapflights users on 6/16. 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 7/96:34 pm
BIL
- SFO
1 stop4h 25m
Delta
Wed 7/155:07 pm
SFO
- BIL
1 stop4h 43m
Delta
Deal found 6/16![Delta logo]()
$397
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:20 am
BIL
- SFO
1 stop4h 31m
Delta
Wed 7/225:07 pm
SFO
- BIL
1 stop4h 43m
Delta
Deal found 6/15![Delta logo]()
$397
Last-minute flights from Billings to San FranciscoDiscover last-minute flight deals from Billings to San Francisco. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to San Francisco. Data last updated June 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/16. 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 7/96:34 pm
BIL
- SFO
1 stop4h 25m
Delta
Wed 7/155:07 pm
SFO
- BIL
1 stop4h 43m
Delta
Deal found 6/16![Delta logo]()
$397
This Expedia deal was found by Cheapflights users on 6/18. 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.
Thu 7/93:43 pm
BIL
- SFO
1 stop4h 47m
Alaska Airlines
Tue 7/148:30 am
SFO
- BIL
2 stops14h 21m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$398
This CheapOair deal was found by Cheapflights users on 6/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:43 pm
BIL
- SFO
1 stop4h 47m
Alaska Airlines
Wed 7/151:51 pm
SFO
- BIL
2 stops9h 00m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$422
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:43 pm
BIL
- SFO
1 stop4h 47m
Alaska Airlines
Tue 7/1410:15 am
SFO
- BIL
2 stops12h 36m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$453
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:22 pm
BIL
- SFO
1 stop14h 58m
Alaska Airlines
Thu 7/2310:08 pm
SFO
- BIL
1 stop15h 55m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/235:56 pm
BIL
- SFO
1 stop23h 15m
Multiple Airlines
Sun 7/269:00 pm
SFO
- BIL
1 stop11h 09m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$330
This Expedia deal was found by Cheapflights users on 6/18. 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.
Thu 7/2311:45 am
BIL
- SFO
1 stop8h 03m
Alaska Airlines
Tue 7/282:20 pm
SFO
- BIL
1 stop8h 31m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$467
This CheapOair deal was found by Cheapflights users on 6/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:45 am
BIL
- SFO
2 stops12h 23m
Alaska Airlines
Thu 7/307:20 am
SFO
- BIL
1 stop6h 43m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$456
One-way flights from Billings to San FranciscoSearch for one-way flight options from Billings to San Francisco. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
Search for one-way flight options from Billings to San Francisco. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This deal was found by Cheapflights users on 6/17. 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.
Tue 9/156:14 am
BIL
- SFO
1 stop5h 45m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sat 8/83:44 pm
BIL
- SFO
2 stops24h 09m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sat 8/13:40 pm
BIL
- SFO
2 stops23h 17m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 6/16. 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 7/165:20 am
BIL
- SFO
1 stop4h 31m
Delta
Deal found 6/16![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 6/18. 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 7/305:20 am
BIL
- SFO
1 stop4h 31m
Delta
Deal found 6/18![Delta logo]()
$206
This Delta deal was found by Cheapflights users on 6/16. 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.
Sat 8/16:34 pm
BIL
- SFO
1 stop5h 46m
Delta
Deal found 6/16![Delta logo]()
$230
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:00 am
BIL
- SFO
1 stop5h 18m
United Airlines
Deal found 6/16![United Airlines logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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 7/207:22 pm
BIL
- SFO
1 stop14h 58m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:57 pm
BIL
- SFO
1 stop5h 58m
United Airlines
Deal found 6/16![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 6/16. 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 8/135:20 am
BIL
- SFO
2 stops15h 10m
Delta
Deal found 6/16![Delta logo]()
$247
Find flight deals from Billings to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to San Francisco (SFO). 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 June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $330 (Kiwi.com) |
One-way from | $181 |
Popular in | June |
Cheapest in | September |
Average price | $488 |
Cheapflights Fare Finder
Customize your flight search to find flights from Billings to San Francisco 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 June 20, 2026.
Use the filters below to find and compare flights from Billings to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Tue 11/3
5:12 pm-9:35 pm
1 stop5h 23m
San Francisco
Wed 11/4
10:32 am-4:32 pm
1 stop5h 00m
$357
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Fri 10/2
3:42 pm-7:54 pm
1 stop5h 12m
San Francisco
Mon 10/5
8:43 pm-6:52 pm
1 stop21h 09m
$380
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Fri 9/4
4:51 pm-8:43 am
1 stop16h 52m
San Francisco
Mon 9/7
11:00 am-8:03 pm
1 stop8h 03m
$381
Quickest round-trip
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Thu 7/9
6:34 pm-9:59 pm
1 stop4h 25m
San Francisco
Mon 7/13
5:50 am-11:09 am
1 stop4h 19m
$397
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Thu 7/9
6:34 pm-9:59 pm
1 stop4h 25m
San Francisco
Wed 7/15
5:07 pm-10:50 pm
1 stop4h 43m
$397
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Wed 7/15
5:20 am-8:51 am
1 stop4h 31m
San Francisco
Wed 7/22
5:07 pm-10:50 pm
1 stop4h 43m
$397
Cheapest one-way
Quickest one-way
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Thu 7/30
5:20 am-8:51 am
1 stop4h 31m
$199
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Mon 7/20
5:20 am-8:51 am
1 stop4h 31m
$199
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Fri 8/14
3:43 pm-7:30 pm
1 stop4h 47m
$230
BillingsSan Francisco
BIL - SFO
BILSFO
Billings Logan Intl
Sat 8/8
5:00 am-9:18 am
1 stop5h 18m
$232
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from Billings to San Francisco
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 Billings to San Francisco in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Billings-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Billings-San Francisco 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 Billings-San Francisco 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 Billings to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Billings with our price prediction graph.
BIL-SFO
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 Billings to San Francisco
What is the cheapest month to book a flight from Billings to San Francisco?
Currently, September is the cheapest month in which you can book a flight from Billings to San Francisco (average of $254). Flying from Billings to San Francisco in June is currently the most expensive (average of $488). 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 Billings to San Francisco?
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated June 20, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Billings to San Francisco by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Crew
8.5
Entertainment
7.0
Comfort
7.8
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Billings to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Cruz
Santa Clara
Fairfield
Rancho Cordova
Roseville
Cupertino
Emeryville
Newark
Watsonville
San Bruno
San Ramon
Vacaville
San Carlos
Redwood City
Daly City
Turlock
Sunnyvale
Vallejo
San Lorenzo
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Billings and San Francisco flights
Browse other Billings and San Francisco flight options. Last updated on June 20, 2026.
Other flights from Billings
Browse through other flights departing from Billings. Flights are based on user searches made on Cheapflights and were last updated on June 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 20, 2026.
Top 3 airlines flying from Billings to San Francisco
Discover the top 3 airlines that operate flights from Billings to San Francisco. 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$306 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$254 | Average$330 | FlexibilityNo cancel fee | On-time69% |