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$61+ Cheap flights from Idaho to San Francisco (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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from Idaho to San Francisco

Keep the following information in mind while searching for Idaho to San Francisco flight deals. Data was last updated agosto 14, 2025.

Round-trip from

$121
(Alaska Airlines)

One-way from

$61
(United Airlines)

Popular in

November

Cheapest in

January

Average price

$247

Good round-trip deal

$330 or less

Good one-way deal

$223 or less
From Idaho to San Francisco
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One-way flight from Idaho to San Francisco
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Highest demand for flights based on searches. 12% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Idaho to San Francisco.
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Price to beat on a one-way flight from Idaho to San Francisco.
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Find flight deals from Idaho to San Francisco

Cheapest flights from Idaho to San Francisco
Explore the most affordable flight options available from Idaho to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 9/2412:43 pmBOI - SFO
Nonstop1h 49mAlaska Airlines
mar. 9/305:14 pmSFO - BOI
Nonstop1h 36mAlaska Airlines
Deal found 8/12$121
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
sáb. 9/2012:21 pmBOI - SFO
Nonstop1h 49mAlaska Airlines
mar. 9/305:14 pmSFO - BOI
Nonstop1h 36mAlaska Airlines
Deal found 8/12$129
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/102:45 pmBOI - SFO
Nonstop1h 50mUnited Airlines
lun. 9/228:50 pmSFO - BOI
Nonstop1h 44mUnited Airlines
Deal found 8/14$130
This SmartFares deal was found by Cheapflights users on 8/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/62:36 pmGEG - SFO
Nonstop2h 21mAlaska Airlines
lun. 9/811:48 amSFO - GEG
Nonstop2h 08mAlaska Airlines
Deal found 8/13$131
This Netflights deal was found by Cheapflights users on 8/12. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/43:37 pmBOI - SFO
Nonstop1h 50mAlaska Airlines
lun. 10/68:00 amSFO - BOI
Nonstop1h 39mAlaska Airlines
Deal found 8/12$135
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
sáb. 9/1312:21 pmBOI - SFO
Nonstop1h 49mAlaska Airlines
sáb. 9/206:34 pmSFO - BOI
Nonstop1h 36mAlaska Airlines
Deal found 8/14$137
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
mié. 9/102:36 pmGEG - SFO
Nonstop2h 21mAlaska Airlines
sáb. 9/1311:48 amSFO - GEG
Nonstop2h 08mAlaska Airlines
Deal found 8/14$137
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
jue. 9/412:43 pmBOI - SFO
Nonstop1h 49mAlaska Airlines
sáb. 9/66:34 pmSFO - BOI
Nonstop1h 36mAlaska Airlines
Deal found 8/12$138
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
jue. 10/308:41 amBOI - SFO
Nonstop1h 59mAlaska Airlines
lun. 11/37:24 pmSFO - BOI
Nonstop1h 44mAlaska Airlines
Deal found 8/12$139
This Delta deal was found by Cheapflights users on 8/12. 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.
mié. 9/245:43 pmBOI - SFO
1 stop5h 02mDelta
mar. 9/301:45 pmSFO - BOI
1 stop5h 35mDelta
Deal found 8/12$141
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/1612:45 pmBOI - SFO
1 stop6h 00mSouthwest
mar. 9/237:00 amSFO - BOI
2 stops7h 10mSouthwest
Deal found 8/14$146
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
jue. 9/112:36 pmGEG - SFO
Nonstop2h 21mAlaska Airlines
sáb. 9/1311:48 amSFO - GEG
Nonstop2h 08mAlaska Airlines
Deal found 8/14$147

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 agosto 14, 2025.
Use the filters below to find and compare flights from Idaho to San Francisco that are best for you.

Fly from

Idaho

Fly to

San Francisco

Route

Depart

Return

Price

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mié. 9/24

12:43 pm-1:32 pm

Nonstop1h 49m

San Francisco

mar. 9/30

5:14 pm-7:50 pm

Nonstop1h 36m

$121

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mar. 10/21

2:44 pm-3:35 pm

Nonstop1h 51m

San Francisco

mar. 10/28

4:10 pm-6:54 pm

Nonstop1h 44m

$121

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mié. 9/24

7:45 am-8:41 am

Nonstop1h 56m

San Francisco

mar. 9/30

10:59 am-1:43 pm

Nonstop1h 44m

$121

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mié. 9/10

12:43 pm-1:32 pm

Nonstop1h 49m

San Francisco

mié. 9/17

5:14 pm-7:50 pm

Nonstop1h 36m

$121

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mar. 9/16

9:52 am-10:50 am

Nonstop1h 58m

San Francisco

mar. 9/23

8:50 pm-11:34 pm

Nonstop1h 44m

$121

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mar. 9/23

12:43 pm-1:32 pm

Nonstop1h 49m

San Francisco

mar. 9/30

5:14 pm-7:50 pm

Nonstop1h 36m

$121

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

sáb. 9/20

12:21 pm-1:10 pm

Nonstop1h 49m

San Francisco

mié. 9/24

5:14 pm-7:50 pm

Nonstop1h 36m

$129

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

sáb. 9/20

12:21 pm-1:10 pm

Nonstop1h 49m

San Francisco

mar. 9/30

5:14 pm-7:50 pm

Nonstop1h 36m

$129

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

sáb. 9/6

2:36 pm-4:57 pm

Nonstop2h 21m

San Francisco

lun. 9/8

11:48 am-1:56 pm

Nonstop2h 08m

$131

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

mié. 9/10

2:36 pm-4:57 pm

Nonstop2h 21m

San Francisco

mié. 9/17

11:48 am-1:56 pm

Nonstop2h 08m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Idaho 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 Idaho to San Francisco

What is the cheapest month to book a flight from Idaho to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Idaho to San Francisco (average of $276). Flying from Idaho to San Francisco in June is currently the most expensive (average of $358). 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 ID to SFO?

Find hourly flight availability from Idaho 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 agosto 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to San Francisco as you normally would.

Weekly flight availability from Idaho to San Francisco

Explore weekly flight availability from Idaho to San Francisco. 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 agosto 14, 2025.

The most flights from USID to SFO are scheduled on a Thursday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Related info for your journey

Find useful and relevant information for your journey from Idaho to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Idaho?

    If you book a flight to San Francisco from Idaho, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

  • How popular is this Idaho to San Francisco flight route?

    Within the past month, 26 users have taken a look at flights from Idaho to San Francisco.

  • What are the cheapest airlines to fly from Idaho to San Francisco one-way?

    The cheapest airlines for a one-way flight from Idaho to San Francisco are United Airlines ($61), Alaska Airlines ($70), and Hawaiian Airlines ($72).

  • What are the most popular routes from Idaho to San Francisco?

    When deciding which route to take from Idaho to San Francisco consider Boise Air Term. Gowen Fld - San Francisco, Spokane - San Francisco or Jackson Hole - San Francisco as they are the most popular.

  • What are the most reliable airlines from Idaho to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Idaho to San Francisco on time: Qatar Airways (95%), Iberia (95%), ANA (93%).

  • What are the cheapest flights from Idaho to San Francisco?

    While on average a flight from Idaho to San Francisco is generally $714, our data shows the cheapest flight currently is $123. When looking at the most popular route, (Boise Air Term. Gowen Fld - San Francisco), you can expect to pay $129 for that flight.

  • Can I find deals for flights from Idaho to San Francisco that include hotel bookings?

    Yes. In addition to deals on Idaho to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to San Francisco.

  • Can I find deals for business class flights from Idaho to San Francisco?

    Yes. Cheapflights offers flight deals from Idaho to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Idaho to San Francisco (average of $276). Flying from Idaho to San Francisco in June is currently the most expensive (average of $358). 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.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Mountain View
Turlock
Santa Clara
Hollister
Antioch
Watsonville
Manteca
Sunnyvale
Newark
Milpitas
Campbell
Foster City
San Leandro
Burlingame
Redwood City
Vallejo

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Alternative routes for Idaho to San Francisco

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Top 4 airlines flying from Idaho to San Francisco

Discover the top 4 airlines that operate flights from Idaho 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$73Average$207FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$147Average$358FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$148Average$237FlexibilityNo cancel feeOn-time75%
DeltaCheapest$210Average$493FlexibilityNo cancel feeOn-timeN/A

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