$68+ Cheap flights from Boise to San Francisco (BOI - SFO)
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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
Oct 22 — Oct 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise 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
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.Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to San Francisco are usually found in April or October, booked 90 days in advance, depart on a Thursday or Friday and return on a Saturday
Cheap flight deals from Boise to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to San FranciscoExplore the most affordable flight options available from Boise to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from Boise to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:32 am -
1 stop5h 35m
Tue 10/207:27 pm -
1 stop3h 32m
Deal found 9/17![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:06 pm -
1 stop4h 01m
Sat 10/249:48 am -
1 stop5h 26m
Deal found 9/17![Delta logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:13 am -
Nonstop2h 00m
Wed 11/47:14 pm -
1 stop17h 40m
Deal found 9/21![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:57 am -
Nonstop1h 58m
Wed 10/283:05 pm -
1 stop21h 49m
Deal found 9/21![Multiple Airlines logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:50 pm -
1 stop24h 35m
Sun 10/257:59 pm -
1 stop16h 56m
Deal found 9/19![Frontier logo]()
$193
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:50 pm -
1 stop5h 14m
Sun 10/2510:19 pm -
1 stop14h 36m
Deal found 9/17![Frontier logo]()
$197
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:36 pm -
1 stop7h 40m
Sun 11/85:50 am -
1 stop3h 52m
Deal found 9/17![Delta logo]()
$199
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:50 pm -
1 stop24h 35m
Sun 10/1110:19 pm -
1 stop14h 36m
Deal found 9/19![Frontier logo]()
$219
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:50 pm -
1 stop18h 23m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/20![Frontier logo]()
$224
This Priceline deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:50 pm -
1 stop5h 14m
Mon 10/263:21 pm -
1 stop7h 38m
Deal found 9/20![Multiple Airlines logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:57 am -
Nonstop1h 58m
Wed 10/286:35 pm -
Nonstop1h 45m
Deal found 9/19![Alaska Airlines logo]()
$227
Best flights from Boise to San FranciscoDiscover carefully curated flight deals from Boise to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Boise to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/248:57 am -
Nonstop1h 58m
Wed 10/286:35 pm -
Nonstop1h 45m
Deal found 9/17![Alaska Airlines logo]()
$225
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:45 pm -
1 stop6h 14m
Sun 11/1510:38 am -
1 stop4h 27m
Deal found 9/17![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:30 am -
1 stop7h 45m
Wed 10/288:10 am -
2 stops9h 15m
Deal found 9/21![Southwest logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1210:02 am -
Nonstop2h 04m
Wed 1/277:00 pm -
1 stop3h 44m
Deal found 9/19![Alaska Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:45 am -
2 stops7h 00m
Wed 11/43:30 pm -
1 stop5h 25m
Deal found 9/21![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 9/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
2 stops6h 30m
Mon 11/94:10 pm -
1 stop7h 00m
Deal found 9/18![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:57 am -
Nonstop1h 58m
Mon 10/266:35 pm -
Nonstop1h 45m
Deal found 9/20![Alaska Airlines logo]()
$266
This Southwest deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:30 am -
2 stops7h 20m
Mon 10/264:00 pm -
2 stops8h 05m
Deal found 9/20![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:37 am -
2 stops8h 02m
Sun 11/1512:00 pm -
1 stop5h 30m
Deal found 9/19![Alaska Airlines logo]()
$290
Last-minute flights from Boise to San FranciscoDiscover last-minute flight deals from Boise to San Francisco. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to San Francisco. Data last updated September 22, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:50 pm -
1 stop24h 35m
Sun 10/1110:19 pm -
1 stop14h 36m
Deal found 9/19![Frontier logo]()
$219
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:06 pm -
1 stop4h 01m
Sat 10/249:48 am -
1 stop5h 26m
Deal found 9/17![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:32 am -
1 stop5h 35m
Tue 10/207:27 pm -
1 stop3h 32m
Deal found 9/17![Delta logo]()
$159
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:50 pm -
1 stop24h 35m
Sun 10/257:59 pm -
1 stop16h 56m
Deal found 9/19![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:57 am -
Nonstop1h 58m
Thu 10/2210:19 pm -
1 stop14h 36m
Deal found 9/20![Multiple Airlines logo]()
$228
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:50 pm -
1 stop5h 14m
Sun 10/2510:19 pm -
1 stop14h 36m
Deal found 9/17![Frontier logo]()
$197
This Priceline deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:50 pm -
1 stop5h 14m
Mon 10/263:21 pm -
1 stop7h 38m
Deal found 9/20![Multiple Airlines logo]()
$225
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:50 pm -
1 stop18h 23m
Sat 10/313:05 pm -
1 stop22h 49m
Deal found 9/20![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:57 am -
Nonstop1h 58m
Wed 10/283:05 pm -
1 stop21h 49m
Deal found 9/21![Multiple Airlines logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:57 am -
Nonstop1h 58m
Wed 10/286:35 pm -
Nonstop1h 45m
Deal found 9/19![Alaska Airlines logo]()
$227
This Trip.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:57 am -
Nonstop1h 58m
Mon 10/263:21 pm -
1 stop7h 38m
Deal found 9/20![Alaska Airlines logo]()
$231
One-way flights from Boise to San FranciscoSearch for one-way flight options from Boise to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from Boise to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:50 pm -
1 stop18h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:50 pm -
1 stop5h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$88
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:45 pm -
1 stop4h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$90
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:06 pm -
1 stop4h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$99
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 11/310:13 am -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$113
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:50 pm -
1 stop24h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$116
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:32 am -
Nonstop2h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:50 pm -
1 stop5h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$119
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:18 pm -
1 stop4h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$123
Find flight deals from Boise to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Delta) |
One-way from | $68 (Cheapflightsfares) |
Popular in | March |
Cheapest in | April |
Average price | $287 |
Good round-trip deal | $359 or less |
Good one-way deal | $199 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 7,457,451 searches. Data last updated September 22, 2026.
Use the filters below to find and compare flights from Boise to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Wed 10/28
12:08 pm-5:05 pm
1 stop5h 57m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$99
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Tue 11/3
1:06 pm-4:07 pm
1 stop4h 01m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$99
Quickest round-trip
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Tue 11/3
10:13 am-11:13 am
Nonstop2h 00m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Wed 10/21
2:14 pm-3:14 pm
Nonstop2h 00m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Sun 11/1
6:20 am-7:28 am
Nonstop2h 08m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$119
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Sat 11/7
4:25 pm-8:15 pm
1 stop4h 50m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Wed 10/28
1:32 pm-4:47 pm
1 stop4h 15m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Sun 10/18
7:05 pm-12:40 am
1 stop6h 35m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Sun 10/25
6:49 pm-11:56 pm
1 stop6h 07m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
BoiseSan Francisco
BOI Boise Air Term. Gowen Fld - SFO San Francisco
BOISFO
Boise Air Term. Gowen Fld
Sat 11/14
11:45 am-6:40 pm
2 stops7h 55m
San Francisco
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Boise 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 Boise to San Francisco in September.
| 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 Boise-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-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 Boise-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 Boise to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Boise with our price prediction graph.
BOI-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 Boise to San Francisco
How far ahead should I book a flight from Boise to San Francisco?
Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Boise to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Boise to San Francisco (average of $247). Flying from Boise to San Francisco in March is currently the most expensive (average of $338). 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.
What is the cheapest time of day to fly from BOI to SFO?
Find hourly flight availability from Boise to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 22, 2026.
It’s typically best to fly out from Boise to San Francisco at noon. Doing so could potentially save you 41% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Boise to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Boise to San Francisco. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Boise to San Francisco flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 22, 2026.
Get a feel of what it's like to fly with Alaska Airlines and United Airlines from Boise to San Francisco 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
Crew
8.5
Food
7.0
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Related info for your journey
Find useful and relevant information for your journey from Boise 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 Clara
Santa Cruz
Walnut Creek
Emeryville
Burlingame
Rancho Cordova
San Bruno
Roseville
Hayward
Cupertino
Newark
Fairfield
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boise
Popular flights
San Francisco flight routes
Alternative routes for Boise to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to San Francisco by cabin class
Find flights from Boise to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and San Francisco flights
Browse other Boise and San Francisco flight options. Last updated on September 22, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on September 22, 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 September 22, 2026.
Top 2 airlines flying from Boise to San Francisco
Discover the top 2 airlines that operate flights from Boise 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 7,457,451 searches. Data last updated September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$294 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$153 | Average$310 | FlexibilityNo cancel fee | On-time69% |