San Francisco Bay Area

$51+ Cheap flights from Idaho to San Francisco Bay Area

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
Oct 23 — Oct 301
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Cheap flight deals from Idaho to San Francisco Bay Area

Keep the following information in mind while searching for Idaho to San Francisco Bay Area flight deals. Data was last updated September 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$115
(Trip.com)

One-way from

$51
(Netflights)

Popular in

December

Cheapest in

October

Average price

$260
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Francisco flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Francisco flights.
From Idaho to San Francisco Bay Area
One-way flight from Idaho to San Francisco Bay Area
Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Idaho to San Francisco Bay Area

Cheapest flights from Idaho to San Francisco Bay Area
Explore the most affordable flight options available from Idaho to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 10/1510:15 amBOI - SJC
Nonstop1h 57mAlaska Airlines
Wed 10/225:05 pmSJC - BOI
Nonstop1h 41mAlaska Airlines
Deal found 9/23$107
This Trip.com deal was found by Cheapflights users on 9/23. 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.
Tue 10/143:37 pmBOI - SFO
Nonstop1h 50mAlaska Airlines
Sat 10/188:00 amSFO - BOI
Nonstop1h 39mAlaska Airlines
Deal found 9/23$115
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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.
Sun 10/269:59 amBOI - SJC
Nonstop1h 58mAlaska Airlines
Wed 10/297:17 pmSJC - BOI
Nonstop1h 42mAlaska Airlines
Deal found 9/23$117
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:15 amBOI - SJC
Nonstop1h 57mAlaska Airlines
Tue 10/287:17 pmSJC - BOI
Nonstop1h 42mAlaska Airlines
Deal found 9/21$133
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:44 pmGEG - SFO
Nonstop2h 19mAlaska Airlines
Tue 10/2811:29 amSFO - GEG
Nonstop2h 16mAlaska Airlines
Deal found 9/21$133
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 10/147:05 pmBOI - SFO
Nonstop1h 56mUnited Airlines
Sat 10/182:17 pmSFO - BOI
Nonstop1h 41mUnited Airlines
Deal found 9/22$137
This Delta deal was found by Cheapflights users on 9/23. 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 10/1511:41 amBOI - SJC
1 stop5h 16mDelta
Wed 10/225:55 pmSJC - BOI
1 stop5h 04mDelta
Deal found 9/23$137
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/221:44 pmGEG - SFO
Nonstop2h 19mAlaska Airlines
Tue 10/2811:29 amSFO - GEG
Nonstop2h 16mAlaska Airlines
Deal found 9/21$137
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.
Tue 10/145:30 pmBOI - OAK
Nonstop1h 50mSouthwest
Wed 10/158:35 pmOAK - BOI
Nonstop1h 30mSouthwest
Deal found 9/21$137
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 11/152:01 pmGEG - SFO
Nonstop2h 20mHawaiian Airlines
Mon 11/1711:29 amSFO - GEG
Nonstop2h 16mHawaiian Airlines
Deal found 9/21$138
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/302:01 pmGEG - SFO
Nonstop2h 20mHawaiian Airlines
Sat 11/111:29 amSFO - GEG
Nonstop2h 16mHawaiian Airlines
Deal found 9/22$141
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 10/189:55 amGEG - OAK
Nonstop2h 10mSouthwest
Mon 10/209:25 pmOAK - GEG
Nonstop1h 55mSouthwest
Deal found 9/21$142

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to San Francisco Bay Area 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 September 23, 2025.
Use the filters below to find and compare flights from Idaho to San Francisco Bay Area that are best for you.

Fly from

Idaho

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 10/14

7:05 pm-8:01 pm

Nonstop1h 56m

San Francisco

Sat 10/18

10:59 am-1:43 pm

Nonstop1h 44m

$137

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 10/22

1:44 pm-4:03 pm

Nonstop2h 19m

San Francisco

Tue 10/28

11:29 am-1:45 pm

Nonstop2h 16m

$137

BoiseOakland

BOI - OAK

BOIOAK

Boise Air Term. Gowen Fld

Tue 10/28

11:40 am-12:25 pm

Nonstop1h 45m

Oakland

Wed 10/29

1:05 pm-3:35 pm

Nonstop1h 30m

$137

BoiseOakland

BOI - OAK

BOIOAK

Boise Air Term. Gowen Fld

Tue 10/14

5:30 pm-6:20 pm

Nonstop1h 50m

Oakland

Wed 10/15

8:35 pm-11:05 pm

Nonstop1h 30m

$137

SpokaneOakland

GEG - OAK

GEGOAK

Spokane

Sat 10/18

9:55 am-12:05 pm

Nonstop2h 10m

Oakland

Mon 10/20

9:25 pm-11:20 pm

Nonstop1h 55m

$142

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Sat 10/18

3:37 pm-4:27 pm

Nonstop1h 50m

San Francisco

Mon 10/20

8:00 am-10:39 am

Nonstop1h 39m

$147

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Mon 11/10

7:00 pm-8:01 pm

Nonstop2h 01m

San Francisco

Sat 11/15

1:15 pm-4:03 pm

Nonstop1h 48m

$147

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

Tue 10/21

3:15 pm-9:05 pm

1 stop6h 50m

San Jose

Tue 10/28

11:45 am-2:25 pm

Nonstop1h 40m

$147

SpokaneOakland

GEG - OAK

GEGOAK

Spokane

Thu 10/23

10:00 am-12:10 pm

Nonstop2h 10m

Oakland

Thu 10/30

9:25 pm-11:20 pm

Nonstop1h 55m

$147

BoiseOakland

BOI - OAK

BOIOAK

Boise Air Term. Gowen Fld

Mon 10/27

6:55 pm-7:45 pm

Nonstop1h 50m

Oakland

Wed 10/29

8:35 pm-11:05 pm

Nonstop1h 30m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/22

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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 Bay Area

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

Currently, January is the cheapest month in which you can book a flight from Idaho to San Francisco Bay Area (average of $276). Flying from Idaho to San Francisco Bay Area in June is currently the most expensive (average of $357). 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 XIH?

Find hourly flight availability from Idaho to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 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 Bay Area as you normally would.

Weekly flight availability from Idaho to San Francisco Bay Area

Explore weekly flight availability from Idaho to San Francisco Bay Area. 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 September 23, 2025.

The most flights from USID to zzXIH are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Idaho to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Idaho to San Francisco Bay Area flight route?

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

    For as low as $137, United Airlines can have you in San Francisco Bay Area from Idaho in 1h 45m. Idaho and San Francisco Bay Area are separated by a distance of 512 mi. Most flights are nonstop.

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

    One-way options have recently been found by users for as low as $69 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $69 and Southwest from $69 one-way.

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

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

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

    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 Bay Area.

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

    Yes. Cheapflights offers flight deals from Idaho to San Francisco Bay Area 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 Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Idaho to San Francisco Bay Area (average of $276). Flying from Idaho to San Francisco Bay Area in June is currently the most expensive (average of $357). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Idaho to San Francisco Bay Area

Discover the top 9 airlines that operate flights from Idaho to San Francisco Bay Area. 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 September 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$73Average$195FlexibilityNo cancel feeOn-time85%
Avelo AirlinesCheapest$77Average$115FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$89Average$219FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$90Average$104FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$136Average$345FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$137Average$314FlexibilityNo cancel feeOn-time75%
DeltaCheapest$141Average$399FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$158Average$301FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$357FlexibilityNo cancel feeOn-time71%

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