San Francisco Bay Area

$76+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
janv. 27 — févr. 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to San Francisco Bay Area 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.

Cheap 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 décembre 28, 2025.

This Delta deal was found by Cheapflights users on 12/27. 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.
mar. 12/3010:04 amGEG - SJC
1 stop6h 03mDelta
ven. 1/25:55 amSJC - GEG
1 stop6h 11mDelta
Deal found 12/27$363
This Delta deal was found by Cheapflights users on 12/27. 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.
mar. 12/307:23 pmGEG - SFO
1 stop5h 09mDelta
ven. 1/25:45 amSFO - GEG
1 stop4h 56mDelta
Deal found 12/27$363
This Delta deal was found by Cheapflights users on 12/25. 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.
sam. 12/275:55 amGEG - SJC
1 stop6h 46mDelta
mar. 1/66:25 pmSJC - GEG
1 stop4h 27mDelta
Deal found 12/25$385
This United Airlines deal was found by Cheapflights users on 12/27. 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.
dim. 12/281:47 pmGEG - SFO
1 stop7h 53mUnited Airlines
sam. 1/37:10 pmSFO - GEG
Nonstop2h 21mUnited Airlines
Deal found 12/27$394
This Delta deal was found by Cheapflights users on 12/26. 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.
mer. 12/315:00 amGEG - SFO
1 stop4h 33mDelta
dim. 1/45:45 amSFO - GEG
1 stop4h 56mDelta
Deal found 12/26$395
This Southwest deal was found by Cheapflights users on 12/26. 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.
ven. 12/265:05 pmGEG - SFO
1 stop7h 20mSouthwest
ven. 1/24:40 pmSFO - GEG
1 stop7h 30mSouthwest
Deal found 12/26$397
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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.
mer. 12/317:26 pmSUN - SJC
1 stop5h 33mAlaska Airlines
sam. 1/106:15 amSJC - SUN
1 stop12h 23mAlaska Airlines
Deal found 12/26$399
This Southwest deal was found by Cheapflights users on 12/27. 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.
lun. 12/295:25 amGEG - SFO
1 stop12h 50mSouthwest
ven. 1/24:40 pmSFO - GEG
1 stop7h 30mSouthwest
Deal found 12/27$402
This Southwest deal was found by Cheapflights users on 12/27. 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.
dim. 12/284:05 pmGEG - SFO
1 stop5h 55mSouthwest
sam. 1/35:25 amSFO - GEG
1 stop4h 55mSouthwest
Deal found 12/27$404
This Delta deal was found by Cheapflights users on 12/26. 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.
mer. 12/311:40 pmSUN - SJC
2 stops10h 02mDelta
sam. 1/105:04 pmSJC - SUN
1 stop3h 51mDelta
Deal found 12/26$405
This Delta deal was found by Cheapflights users on 12/26. 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.
sam. 12/275:00 amGEG - SFO
1 stop4h 33mDelta
lun. 12/296:30 pmSFO - GEG
1 stop5h 34mDelta
Deal found 12/26$407
This Southwest deal was found by Cheapflights users on 12/26. 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.
lun. 12/299:30 amGEG - SFO
2 stops11h 45mSouthwest
dim. 1/44:40 pmSFO - GEG
1 stop7h 30mSouthwest
Deal found 12/26$408

Find 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 décembre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$143
(Kiwi.com)

One-way from

$76
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$369
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. 13% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 décembre 28, 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

mar. 1/27

10:48 am-12:05 pm

Nonstop2h 17m

San Francisco

mer. 1/28

9:00 pm-11:48 pm

Nonstop1h 48m

$153

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mer. 1/21

8:10 am-9:16 am

Nonstop2h 06m

San Francisco

lun. 1/26

7:24 pm-10:09 pm

Nonstop1h 45m

$153

BoiseOakland

BOI - OAK

BOIOAK

Boise Air Term. Gowen Fld

lun. 1/26

5:55 pm-6:40 pm

Nonstop1h 45m

Oakland

lun. 2/2

12:25 pm-2:55 pm

Nonstop1h 30m

$153

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

sam. 1/24

7:05 pm-8:10 pm

Nonstop2h 05m

San Francisco

mar. 1/27

9:00 pm-11:48 pm

Nonstop1h 48m

$153

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

sam. 1/24

8:10 am-9:16 am

Nonstop2h 06m

San Francisco

mer. 1/28

7:24 pm-10:09 pm

Nonstop1h 45m

$153

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

sam. 2/7

10:48 am-12:05 pm

Nonstop2h 17m

San Francisco

mer. 2/11

9:00 pm-11:48 pm

Nonstop1h 48m

$153

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

sam. 1/24

8:10 am-9:16 am

Nonstop2h 06m

San Francisco

mar. 1/27

7:24 pm-10:09 pm

Nonstop1h 45m

$153

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mer. 4/1

4:05 pm-5:10 pm

Nonstop2h 05m

San Francisco

sam. 4/4

8:10 am-11:06 am

Nonstop1h 56m

$157

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

jeu. 4/16

7:40 am-8:40 am

Nonstop2h 00m

San Francisco

lun. 4/20

6:56 pm-9:40 pm

Nonstop1h 44m

$157

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

jeu. 4/2

4:05 pm-5:10 pm

Nonstop2h 05m

San Francisco

dim. 4/5

6:25 pm-9:15 pm

Nonstop1h 50m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 60 results
1
2
3
...
6

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 $77). Flying from Idaho to San Francisco Bay Area in December 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 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 décembre 28, 2025.

It’s typically best to fly out from Idaho to San Francisco Bay Area in the evening. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Idaho to San Francisco Bay Area. Price data was last updated on December 27, 2025.

Travelers seeking maximum savings on their Idaho to San Francisco Bay Area flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 décembre 28, 2025.

The most flights from USID to zzXIH are scheduled on a Monday (16 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 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 $153, 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 $60 on Southwest. Other airlines that offer cheap prices include Alaska Airlines from $68 and Hawaiian Airlines from $78 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 $77). Flying from Idaho to San Francisco Bay Area in December 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

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 for Idaho to San Francisco Bay Area

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

Top 7 airlines flying from Idaho to San Francisco Bay Area

Discover the top 7 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 décembre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$73Average$195FlexibilityNo cancel feeOn-time85%
Avelo AirlinesCheapest$77Average$126FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$90Average$104FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$129Average$341FlexibilityNo cancel feeOn-time69%
DeltaCheapest$136Average$381FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$307FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$147Average$289FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.