$49+ Cheap flights from San Francisco (SFO) to Idaho
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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
ene. 3 — ene. 101
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Idaho
Cheapest flights from San Francisco to IdahoExplore the most affordable flight options available from San Francisco to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 4, 2025.
Explore the most affordable flight options available from San Francisco to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 4, 2025.
This United Airlines deal was found by Cheapflights users on 12/2. 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.
mar. 12/307:10 pmSFO - GEG
Nonstop2h 21mUnited Airlines
mar. 1/66:53 amGEG - SFO
Nonstop2h 51mUnited Airlines
Deal found 12/2![United Airlines logo]()
$165
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
mié. 12/317:25 pmSFO - BOI
Nonstop1h 42mAlaska Airlines
lun. 1/58:07 amBOI - SFO
Nonstop2h 19mAlaska Airlines
Deal found 12/3![Alaska Airlines logo]()
$182
This United Airlines deal was found by Cheapflights users on 12/3. 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.
mié. 12/316:42 pmSFO - BOI
Nonstop1h 48mUnited Airlines
mar. 1/610:48 amBOI - SFO
Nonstop2h 17mUnited Airlines
Deal found 12/3![United Airlines logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
mié. 12/317:25 pmSFO - BOI
Nonstop1h 42mAlaska Airlines
mar. 1/610:47 amBOI - SFO
1 stop5h 59mAlaska Airlines
Deal found 12/3![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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.
mar. 12/169:25 amSFO - GEG
Nonstop2h 20mAlaska Airlines
mié. 12/247:26 pmGEG - SFO
Nonstop2h 29mAlaska Airlines
Deal found 12/2![Alaska Airlines logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
mar. 12/309:41 pmSFO - BOI
1 stop11h 26mAlaska Airlines
lun. 1/58:07 amBOI - SFO
Nonstop2h 19mAlaska Airlines
Deal found 12/3![Alaska Airlines logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
lun. 12/297:25 pmSFO - BOI
Nonstop1h 42mAlaska Airlines
vie. 1/98:10 amBOI - SFO
Nonstop2h 06mAlaska Airlines
Deal found 12/3![Alaska Airlines logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
mar. 12/309:41 pmSFO - BOI
1 stop11h 26mAlaska Airlines
jue. 1/87:45 amBOI - SFO
1 stop9h 47mAlaska Airlines
Deal found 12/3![Alaska Airlines logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
mar. 12/309:41 pmSFO - BOI
1 stop11h 26mAlaska Airlines
mar. 1/611:58 amBOI - SFO
1 stop7h 09mAlaska Airlines
Deal found 12/3![Alaska Airlines logo]()
$225
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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.
sáb. 12/136:20 pmSFO - GEG
1 stop6h 04mAlaska Airlines
mar. 1/67:26 pmGEG - SFO
Nonstop2h 29mAlaska Airlines
Deal found 12/2![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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.
dom. 12/149:25 amSFO - GEG
Nonstop2h 20mAlaska Airlines
mié. 12/247:26 pmGEG - SFO
Nonstop2h 29mAlaska Airlines
Deal found 12/2![Alaska Airlines logo]()
$230
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
jue. 12/257:25 pmSFO - BOI
Nonstop1h 42mAlaska Airlines
mar. 1/610:47 amBOI - SFO
1 stop5h 59mAlaska Airlines
Deal found 12/3![Alaska Airlines logo]()
$232
Find flight deals from San Francisco to Idaho
Keep the following information in mind while searching for San Francisco to Idaho flight deals. Data was last updated diciembre 4, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $95 (Kiwi.com) |
One-way from | $49 (United Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $367 |
Good round-trip deal | $193 or less |
Good one-way deal | $157 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Idaho 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 diciembre 4, 2025.
Use the filters below to find and compare flights from San Francisco to Idaho that are best for you.
Fly from
San Francisco
Fly to
Idaho
Route
Depart
Return
Price
San FranciscoSpokane
SFO - GEG
SFOGEG
San Francisco
mar. 1/13
3:00 pm-8:50 pm
1 stop5h 50m
Spokane
mié. 1/14
3:10 pm-9:20 pm
1 stop6h 10m
$101
San FranciscoSpokane
SFO - GEG
SFOGEG
San Francisco
jue. 1/29
5:05 am-11:15 am
1 stop6h 10m
Spokane
lun. 2/2
2:10 pm-9:50 pm
1 stop7h 40m
$125
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
mié. 1/7
11:30 am-8:45 pm
2 stops8h 15m
Boise Air Term. Gowen Fld
sáb. 1/10
1:45 pm-8:05 pm
1 stop7h 20m
$126
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
mar. 1/13
7:24 pm-10:09 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
mié. 1/14
7:55 pm-5:48 pm
1 stop22h 53m
$131
San FranciscoSpokane
SFO - GEG
SFOGEG
San Francisco
vie. 1/9
2:39 pm-8:58 pm
1 stop6h 19m
Spokane
sáb. 1/10
9:20 am-1:38 pm
1 stop4h 18m
$137
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
mié. 1/7
7:24 pm-10:09 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
sáb. 1/10
11:35 am-3:50 pm
1 stop5h 15m
$137
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
jue. 1/8
7:24 pm-10:09 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
lun. 1/12
8:58 pm-8:47 am
1 stop12h 49m
$148
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
jue. 1/8
7:24 pm-10:09 pm
Nonstop1h 45m
Boise Air Term. Gowen Fld
lun. 1/12
1:55 pm-5:59 pm
1 stop5h 04m
$156
San FranciscoSpokane
SFO - GEG
SFOGEG
San Francisco
jue. 1/8
7:40 pm-12:23 am
1 stop4h 43m
Spokane
lun. 1/12
12:32 pm-6:43 pm
1 stop6h 11m
$156
San FranciscoBoise
SFO - BOI
SFOBOI
San Francisco
mar. 1/13
10:00 am-5:15 pm
1 stop6h 15m
Boise Air Term. Gowen Fld
mié. 1/14
11:20 am-5:05 pm
1 stop6h 45m
$159
Showing 1-10 of 60 results
Best time to book a flight from San Francisco to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from San Francisco with our price prediction graph.
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 Idaho
What is the cheapest month to book a flight from San Francisco to Idaho?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Idaho (average of $43). Flying from San Francisco to Idaho in September is currently the most expensive (average of $137). 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 SFO to ID?
Find hourly flight availability from San Francisco to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 4, 2025.
One of the essential ways to save on airfare from San Francisco to Idaho is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.
What is the cheapest day to fly from San Francisco to Idaho?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Idaho. Price data was last updated on November 29, 2025.
Travelers seeking maximum savings on their San Francisco to Idaho flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco to Idaho
Explore weekly flight availability from San Francisco to Idaho. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated diciembre 4, 2025.
The most flights from SFO to USID are scheduled on a Monday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated diciembre 4, 2025.
Read through reviews of airlines operating flights from San Francisco to Idaho, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
8.0
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Comfort
7.8
Overall
8.0
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Comfort
7.8
Overall
8.0
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Comfort
7.8
Overall
8.0
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Comfort
7.8
Overall
8.0
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
LAX - LIH
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from San Francisco to Idaho
Discover the top 4 airlines that operate flights from San Francisco to Idaho. 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 diciembre 4, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$137 | Average$452 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$149 | Average$341 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$219 | Average$406 | FlexibilityNo cancel fee | On-timeN/A |