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$71+ 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
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
1 adult, Economy
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Cheap 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 June 12, 2026.

This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 10/278:57 am
BOI
-
SFO
Nonstop1h 58m
Alaska Airlines
Wed 11/116:35 pm
SFO
-
BOI
Nonstop1h 46m
Alaska Airlines
Deal found 6/12$141
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 11/1712:57 pm
GEG
-
SFO
Nonstop2h 23m
Alaska Airlines
Wed 11/182:09 pm
SFO
-
GEG
Nonstop2h 16m
Alaska Airlines
Deal found 6/9$141
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 10/287:02 am
GEG
-
SFO
Nonstop2h 21m
United Airlines
Sat 10/318:55 am
SFO
-
GEG
Nonstop2h 29m
United Airlines
Deal found 6/9$154
This CheapOair deal was found by Cheapflights users on 6/10. 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 8/2010:14 am
BOI
-
SFO
Nonstop1h 56m
Alaska Airlines
Wed 8/267:46 pm
SFO
-
BOI
Nonstop1h 41m
Alaska Airlines
Deal found 6/10$155
This Delta deal was found by Cheapflights users on 6/12. 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 10/2711:30 am
BOI
-
SFO
1 stop5h 51m
Delta
Wed 11/117:00 pm
SFO
-
BOI
1 stop4h 04m
Delta
Deal found 6/12$161
This Southwest deal was found by Cheapflights users on 6/9. 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 9/237:30 am
GEG
-
SFO
1 stop5h 45m
Southwest
Wed 9/304:40 pm
SFO
-
GEG
1 stop5h 25m
Southwest
Deal found 6/9$161
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/212:40 pm
GEG
-
SFO
Nonstop2h 26m
United Airlines
Sat 9/54:30 pm
SFO
-
GEG
Nonstop2h 21m
United Airlines
Deal found 6/10$167
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/206:15 am
BOI
-
SFO
Nonstop2h 03m
United Airlines
Mon 8/246:30 pm
SFO
-
BOI
Nonstop1h 54m
United Airlines
Deal found 6/11$169
This CheapOair deal was found by Cheapflights users on 6/10. 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.
Tue 8/410:52 am
BOI
-
SFO
Nonstop1h 57m
Alaska Airlines
Tue 8/117:25 pm
SFO
-
BOI
Nonstop1h 42m
Alaska Airlines
Deal found 6/10$172
This Delta deal was found by Cheapflights users on 6/10. 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 9/29:25 am
GEG
-
SFO
1 stop7h 31m
Delta
Sat 9/510:36 am
SFO
-
GEG
1 stop6h 24m
Delta
Deal found 6/10$174
This Delta deal was found by Cheapflights users on 6/12. 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 8/66:45 pm
BOI
-
SFO
1 stop6h 12m
Delta
Tue 8/115:50 am
SFO
-
BOI
1 stop5h 24m
Delta
Deal found 6/12$175
This CheapOair deal was found by Cheapflights users on 6/10. 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 8/2610:14 am
BOI
-
SFO
Nonstop1h 56m
Alaska Airlines
Sun 8/307:46 pm
SFO
-
BOI
Nonstop1h 41m
Alaska Airlines
Deal found 6/10$179

Find 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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$141
(Alaska Airlines)

One-way from

$71
(United Airlines)

Popular in

March

Cheapest in

October

Average price

$307

Good round-trip deal

$378 or less

Good one-way deal

$150 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Francisco flights.
Search Deals
From Idaho to San Francisco
Search Deals
One-way flight from Idaho to San Francisco
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Idaho to San Francisco.
Search Deals
Price to beat on a one-way flight from Idaho to San Francisco.
Search Deals

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 June 12, 2026.
Use the filters below to find and compare flights from Idaho to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 10/21

6:50 pm-7:43 pm

Nonstop1h 53m

San Francisco

Fri 10/23

9:04 pm-11:59 pm

Nonstop1h 55m

$169

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 8/12

3:30 pm-7:05 pm

1 stop4h 35m

San Francisco

Thu 8/13

6:00 am-2:15 pm

2 stops7h 15m

$180

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Sat 10/17

6:01 pm-10:44 pm

1 stop5h 43m

San Francisco

Mon 10/19

6:35 pm-9:20 pm

Nonstop1h 45m

$203

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 10/21

6:00 am-9:15 am

1 stop4h 15m

San Francisco

Fri 10/23

7:00 pm-12:04 am

1 stop4h 04m

$213

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 10/14

8:57 am-9:55 am

Nonstop1h 58m

San Francisco

Sun 10/18

6:35 pm-9:20 pm

Nonstop1h 45m

$217

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Fri 8/14

10:54 pm-8:43 am

1 stop10h 49m

San Francisco

Sun 8/16

9:30 pm-4:05 pm

1 stop17h 35m

$239

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Thu 8/6

10:52 am-11:49 am

Nonstop1h 57m

San Francisco

Tue 8/11

9:00 am-3:26 pm

1 stop5h 26m

$239

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Fri 9/11

7:05 am-11:24 am

1 stop5h 19m

San Francisco

Sat 9/19

7:46 pm-10:27 pm

Nonstop1h 41m

$257

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Fri 8/28

10:14 am-11:10 am

Nonstop1h 56m

San Francisco

Sun 8/30

5:37 pm-11:00 pm

1 stop4h 23m

$257

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Mon 8/24

6:00 am-11:25 am

2 stops6h 25m

San Francisco

Mon 8/24

4:00 pm-11:35 pm

2 stops6h 35m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Idaho to San Francisco (average of $46). Flying from Idaho to San Francisco in May is currently the most expensive (average of $157). 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 June 12, 2026.

It’s typically best to fly out from Idaho to San Francisco at noon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

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 June 12, 2026.

The most flights from USID to SFO are scheduled on a Sunday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Idaho to San Francisco?

How far ahead should I book a flight from Idaho to San Francisco?

The best time to book flights from Idaho to San Francisco is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Idaho to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Idaho to San Francisco. Price data was last updated on June 8, 2026.

Travelers seeking maximum savings on their Idaho 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.

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 11.0 mi from the center of San Francisco.

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

    Within the past month, 31 users have taken a look at flights from Idaho to San Francisco.

  • How long is the flight from Idaho to San Francisco?

    Airlines like United Airlines, Southwest, and Alaska Airlines fly from Idaho to San Francisco in about 1h 53m. The time it takes to get you to your destination can typically vary by up to 3h 50m. There are 522 mi between Idaho and San Francisco. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 ($73), Hawaiian Airlines ($78), and Alaska Airlines ($78).

  • 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 Hailey Sun Valley-Friedman - 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 (100%), Hawaiian Airlines (95%), Air New Zealand (64%).

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

    While on average a flight from Idaho to San Francisco is generally $666, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Boise Air Term. Gowen Fld - San Francisco), you can expect to pay $141 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, August is the cheapest month in which you can book a flight from Idaho to San Francisco (average of $46). Flying from Idaho to San Francisco in May is currently the most expensive (average of $157). 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
South San Francisco
Santa Cruz
Santa Clara
Fairfield
Rancho Cordova
Roseville
Cupertino
Emeryville
Newark
San Bruno
Watsonville
San Ramon
Vacaville
San Carlos
Redwood City
Daly City
Sunnyvale
Turlock
Vallejo
San Lorenzo

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Alternative routes for Idaho to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Orlando to Las Vegas flights
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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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$68Average$156FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$121Average$373FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$125Average$378FlexibilityNo cancel feeOn-time69%
DeltaCheapest$205Average$421FlexibilityNo cancel feeOn-timeN/A

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