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$45+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
ago. 9 — ago. 161
sáb. 8/9
sáb. 8/16
1 adult, Economy
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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 agosto 4, 2025.

Round-trip from

$90
(Cheapflightsfares)

One-way from

$45
(Cheapflightsfares)

Popular in

November

Cheapest in

January

Average price

$257
From Idaho to San Francisco Bay Area
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One-way flight from Idaho to San Francisco Bay Area
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Highest demand for flights based on searches. 11% potential increase in price ($35 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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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 agosto 4, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/223:40 pmIDA - OAK
Nonstop2h 03mAllegiant Air
lun. 8/2511:58 amOAK - IDA
Nonstop1h 51mAllegiant Air
Deal found 8/2$90
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/15:25 pmBOI - OAK
Nonstop1h 45mSouthwest
sáb. 10/48:35 pmOAK - BOI
Nonstop1h 30mSouthwest
Deal found 8/3$95
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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. 11/49:50 amBOI - SJC
Nonstop1h 58mAlaska Airlines
jue. 11/67:17 pmSJC - BOI
Nonstop1h 42mAlaska Airlines
Deal found 8/4$107
This Southwest deal was found by Cheapflights users on 8/4. 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.
sáb. 9/132:45 pmBOI - SFO
1 stop7h 50mSouthwest
mar. 9/1611:00 amSFO - BOI
1 stop4h 50mSouthwest
Deal found 8/4$114
This Southwest deal was found by Cheapflights users on 8/4. 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. 11/42:30 pmBOI - SJC
Nonstop1h 50mSouthwest
jue. 11/66:30 amSJC - BOI
1 stop5h 05mSouthwest
Deal found 8/4$116
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/132:16 pmBOI - OAK
1 stop10h 16mSpirit Airlines
sáb. 9/206:30 amOAK - BOI
1 stop5h 51mSpirit Airlines
Deal found 8/3$124
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/162:36 pmGEG - SFO
Nonstop2h 21mHawaiian Airlines
mar. 9/2311:48 amSFO - GEG
Nonstop2h 08mHawaiian Airlines
Deal found 8/2$129
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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. 9/1712:43 pmBOI - SFO
Nonstop1h 49mAlaska Airlines
sáb. 9/206:34 pmSFO - BOI
Nonstop1h 36mAlaska Airlines
Deal found 8/4$137
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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. 9/92:36 pmGEG - SFO
Nonstop2h 21mAlaska Airlines
mié. 9/1711:48 amSFO - GEG
Nonstop2h 08mAlaska Airlines
Deal found 8/4$137
This Southwest deal was found by Cheapflights users on 8/4. 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.
vie. 9/123:55 pmGEG - SFO
1 stop6h 45mSouthwest
mar. 9/165:15 amSFO - GEG
1 stop6h 05mSouthwest
Deal found 8/4$141
This Trip.com deal was found by Cheapflights users on 8/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1710:08 amBOI - SJC
Nonstop1h 55mHawaiian Airlines
mié. 9/244:58 pmSJC - BOI
Nonstop1h 40mHawaiian Airlines
Deal found 8/3$142
This Mytrip deal was found by Cheapflights users on 8/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/159:26 pmBOI - SJC
1 stop14h 19mSpirit Airlines
lun. 9/2211:40 amSJC - BOI
1 stop7h 51mSpirit Airlines
Deal found 8/3$146

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 agosto 4, 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

Idaho FallsOakland

IDA - OAK

IDAOAK

Idaho Falls Fanning Field

vie. 8/22

3:40 pm-4:43 pm

Nonstop2h 03m

Oakland

lun. 8/25

11:58 am-2:49 pm

Nonstop1h 51m

$90

BoiseOakland

BOI - OAK

BOIOAK

Boise Air Term. Gowen Fld

mié. 10/1

5:25 pm-6:10 pm

Nonstop1h 45m

Oakland

sáb. 10/4

8:35 pm-11:05 pm

Nonstop1h 30m

$95

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

mar. 11/4

9:50 am-10:48 am

Nonstop1h 58m

San Jose

jue. 11/6

7:17 pm-9:59 pm

Nonstop1h 42m

$107

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

sáb. 9/13

2:45 pm-9:35 pm

1 stop7h 50m

San Francisco

mar. 9/16

11:00 am-4:50 pm

1 stop4h 50m

$114

BoiseSan Jose

BOI - SJC

BOISJC

Boise Air Term. Gowen Fld

mar. 11/4

2:30 pm-3:20 pm

Nonstop1h 50m

San Jose

jue. 11/6

6:30 am-12:35 pm

1 stop5h 05m

$116

BoiseOakland

BOI - OAK

BOIOAK

Boise Air Term. Gowen Fld

sáb. 9/13

2:16 pm-11:32 pm

1 stop10h 16m

Oakland

sáb. 9/20

6:30 am-1:21 pm

1 stop5h 51m

$124

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

mar. 9/16

2:36 pm-4:57 pm

Nonstop2h 21m

San Francisco

mar. 9/23

11:48 am-1:56 pm

Nonstop2h 08m

$129

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

mié. 9/17

12:43 pm-1:32 pm

Nonstop1h 49m

San Francisco

mar. 9/23

5:14 pm-7:50 pm

Nonstop1h 36m

$137

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

mar. 9/9

2:36 pm-4:57 pm

Nonstop2h 21m

San Francisco

mar. 9/16

11:48 am-1:56 pm

Nonstop2h 08m

$137

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

vie. 9/12

3:55 pm-10:40 pm

1 stop6h 45m

San Francisco

mar. 9/16

5:15 am-11:20 am

1 stop6h 05m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

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 $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 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 agosto 4, 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 agosto 4, 2025.

The most flights from USID to zzXIH are scheduled on a Friday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated agosto 4, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Idaho to San Francisco Bay Area. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,987 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Hawaiian Airlines
7.8
Good
2,620 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,912 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

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?

    The Idaho to San Francisco Bay Area flight path was viewed by 25 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $45 on Allegiant Air. Other airlines that offer cheap prices include Alaska Airlines from $48 and Southwest from $48 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 $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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Idaho to San Francisco Bay Area

Discover the top 8 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 agosto 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$73Average$212FlexibilityNo cancel feeOn-time85%
Avelo AirlinesCheapest$77Average$114FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$89Average$182FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$90Average$104FlexibilityNo cancel feeOn-time88%
DeltaCheapest$141Average$456FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$143Average$299FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$147Average$361FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$167Average$291FlexibilityNo cancel feeOn-time63%

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