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$69+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
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 June 23, 2025.

Round-trip from

$147
(American Airlines)

One-way from

$69
(Hawaiian Airlines)

Popular in

November

Cheapest in

January

Average price

$247

Good round-trip deal

$367 or less

Good one-way deal

$164 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 ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 23, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/22. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:44 pmGEG - SFO
Nonstop2h 19mHawaiian Airlines
Tue 10/1410:53 amSFO - GEG
Nonstop2h 11mHawaiian Airlines
Deal found 6/22$137
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/51:48 pmBOI - SFO
1 stop7h 38mAmerican Airlines
Tue 8/1212:15 pmSFO - BOI
1 stop6h 55mAmerican Airlines
Deal found 6/21$147
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 Alaska Airlines 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 10/188:05 amSFO - BOI
Nonstop1h 34mAlaska Airlines
Deal found 6/22$157
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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.
Fri 10/101:44 pmGEG - SFO
Nonstop2h 19mAlaska Airlines
Mon 10/1310:53 amSFO - GEG
Nonstop2h 11mAlaska Airlines
Deal found 6/21$157
This Jettzy deal was found by Cheapflights users on 6/22. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:43 pmBOI - SFO
Nonstop1h 49mHawaiian Airlines
Tue 9/235:14 pmSFO - BOI
Nonstop1h 36mHawaiian Airlines
Deal found 6/22$160
This Southwest deal was found by Cheapflights users on 6/21. 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 9/1310:10 amGEG - SFO
2 stops8h 20mSouthwest
Mon 9/155:15 pmSFO - GEG
1 stop6h 25mSouthwest
Deal found 6/21$172
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:35 pmGEG - SFO
1 stop4h 55mDelta
Sun 10/196:05 amSFO - GEG
1 stop4h 29mDelta
Deal found 6/21$177
This Trip.com deal was found by Cheapflights users on 6/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/54:00 pmBOI - SFO
1 stop4h 48mMultiple Airlines
Tue 8/122:31 pmSFO - BOI
Nonstop1h 34mMultiple Airlines
Deal found 6/21$179
This Southwest deal was found by Cheapflights users on 6/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:40 pmBOI - SFO
2 stops8h 45mSouthwest
Sat 10/185:15 amSFO - BOI
1 stop7h 15mSouthwest
Deal found 6/22$182
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 8/87:25 amGEG - SFO
Nonstop2h 20mUnited Airlines
Tue 8/128:58 pmSFO - GEG
Nonstop2h 10mUnited Airlines
Deal found 6/22$187
This Delta deal was found by Cheapflights users on 6/23. 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.
Thu 8/147:45 pmBOI - SFO
1 stop4h 58mDelta
Mon 8/185:55 amSFO - BOI
1 stop6h 11mDelta
Deal found 6/23$197
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 7/307:50 amJAC - SFO
Nonstop2h 25mUnited Airlines
Sun 8/34:50 pmSFO - JAC
Nonstop2h 07mUnited Airlines
Deal found 6/22$209

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 23, 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

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Tue 10/7

1:44 pm-4:03 pm

Nonstop2h 19m

San Francisco

Tue 10/14

10:53 am-1:04 pm

Nonstop2h 11m

$137

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 8/5

1:48 pm-8:26 pm

1 stop7h 38m

San Francisco

Tue 8/12

12:15 pm-8:10 pm

1 stop6h 55m

$147

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 8/12

1:00 pm-1:49 pm

Nonstop1h 49m

San Francisco

Tue 8/19

2:31 pm-5:05 pm

Nonstop1h 34m

$157

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 10/10

1:44 pm-4:03 pm

Nonstop2h 19m

San Francisco

Mon 10/13

10:53 am-1:04 pm

Nonstop2h 11m

$157

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Fri 9/19

12:43 pm-1:32 pm

Nonstop1h 49m

San Francisco

Tue 9/23

5:14 pm-7:50 pm

Nonstop1h 36m

$160

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Sat 9/13

10:10 am-6:30 pm

2 stops8h 20m

San Francisco

Mon 9/15

5:15 pm-11:40 pm

1 stop6h 25m

$172

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Thu 10/16

5:35 pm-10:30 pm

1 stop4h 55m

San Francisco

Sun 10/19

6:05 am-10:34 am

1 stop4h 29m

$177

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 8/5

4:00 pm-7:48 pm

1 stop4h 48m

San Francisco

Tue 8/12

2:31 pm-5:05 pm

Nonstop1h 34m

$179

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 8/8

7:25 am-9:45 am

Nonstop2h 20m

San Francisco

Tue 8/12

8:58 pm-11:08 pm

Nonstop2h 10m

$187

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Thu 8/14

7:45 pm-11:43 pm

1 stop4h 58m

San Francisco

Mon 8/18

5:55 am-1:06 pm

1 stop6h 11m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

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 $360). 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 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 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 June 23, 2025.

The most flights from USID to SFO are scheduled on a Monday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated June 23, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Idaho to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,966 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,520 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,831 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, 27 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 Hawaiian Airlines ($69), Alaska Airlines ($78), and Southwest ($89).

  • 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: Iberia (92%), Condor (90%), Horizon Air (89%).

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

    While on average a flight from Idaho to San Francisco is generally $933, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Boise Air Term. Gowen Fld - San Francisco), you can expect to pay $147 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 $360). 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 Idaho?

Book flights to Idaho if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Fairfield
Antioch
Hollister
Milpitas
Sunnyvale
Newark
Alameda
Hayward
Daly City
Campbell
Capitola
Foster City

Browse thousands of different options on Cheapflights for your next trip

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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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$88Average$217FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$147Average$381FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$154Average$237FlexibilityNo cancel feeOn-time75%
DeltaCheapest$210Average$485FlexibilityNo cancel feeOn-timeN/A

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