San Francisco

$89+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
Feb 25 — Mar 41
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Alaska Airlines)

One-way from

$89
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$240

Good round-trip deal

$369 or less

Good one-way deal

$150 or less
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
One-way flight from Idaho to San Francisco
Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Idaho to San Francisco.
Price to beat on a one-way flight from Idaho to San Francisco.

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 February 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 4/233:30 pmBOI - SFO
Nonstop1h 50mAlaska Airlines
Tue 4/2910:49 amSFO - BOI
Nonstop1h 42mAlaska Airlines
Deal found 2/20$137
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/232:00 pmBOI - SFO
Nonstop2h 02mUnited Airlines
Tue 4/296:00 amSFO - BOI
1 stop5h 44mUnited Airlines
Deal found 2/20$148
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 4/176:40 pmBOI - SFO
Nonstop1h 46mHawaiian Airlines
Tue 4/2210:49 amSFO - BOI
Nonstop1h 42mHawaiian Airlines
Deal found 2/19$157
This Delta deal was found by Cheapflights users on 2/20. 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 3/125:59 pmBOI - SFO
1 stop7h 00mDelta
Fri 3/141:45 pmSFO - BOI
1 stop5h 41mDelta
Deal found 2/20$177
This Delta deal was found by Cheapflights users on 2/20. 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 4/89:50 amGEG - SFO
1 stop6h 00mDelta
Tue 4/154:36 pmSFO - GEG
1 stop6h 13mDelta
Deal found 2/20$177
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/146:00 amGEG - SFO
Nonstop2h 40mUnited Airlines
Mon 3/179:24 pmSFO - GEG
Nonstop2h 20mUnited Airlines
Deal found 2/19$178
This Southwest deal was found by Cheapflights users on 2/20. 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 4/27:10 amBOI - SFO
2 stops8h 55mSouthwest
Mon 4/74:15 pmSFO - BOI
1 stop6h 50mSouthwest
Deal found 2/20$182
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 4/76:04 pmGEG - SFO
Nonstop2h 11mHawaiian Airlines
Tue 4/83:16 pmSFO - GEG
Nonstop2h 08mHawaiian Airlines
Deal found 2/20$187
This Delta deal was found by Cheapflights users on 2/20. 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 4/2212:56 pmSUN - SFO
1 stop4h 21mDelta
Sat 5/1710:10 amSFO - SUN
1 stop3h 33mDelta
Deal found 2/20$197
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 3/264:00 pmGEG - SFO
Nonstop2h 08mAlaska Airlines
Wed 4/910:35 amSFO - GEG
1 stop11h 25mAlaska Airlines
Deal found 2/20$200
This Southwest deal was found by Cheapflights users on 2/19. 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 4/3012:10 pmGEG - SFO
2 stops10h 05mSouthwest
Sun 5/49:20 pmSFO - GEG
1 stop11h 45mSouthwest
Deal found 2/19$272
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/137:04 pmSUN - SFO
1 stop5h 40mAlaska Airlines
Mon 3/177:30 amSFO - SUN
1 stop9h 49mAlaska Airlines
Deal found 2/20$279

Find flights from Idaho to San Francisco within your budget

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 February 20, 2025.

Fly from

Idaho

Fly to

San Francisco

Route

Depart

Return

Price

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 4/23

3:30 pm-4:20 pm

Nonstop1h 50m

San Francisco

Tue 4/29

10:49 am-1:31 pm

Nonstop1h 42m

$137

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 4/23

2:00 pm-3:02 pm

Nonstop2h 02m

San Francisco

Tue 4/29

6:00 am-12:44 pm

1 stop5h 44m

$148

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Thu 4/17

6:40 pm-7:26 pm

Nonstop1h 46m

San Francisco

Tue 4/22

10:49 am-1:31 pm

Nonstop1h 42m

$157

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 3/12

5:59 pm-11:59 pm

1 stop7h 00m

San Francisco

Fri 3/14

1:45 pm-8:26 pm

1 stop5h 41m

$177

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Tue 4/8

9:50 am-3:50 pm

1 stop6h 00m

San Francisco

Tue 4/15

4:36 pm-10:49 pm

1 stop6h 13m

$177

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 3/14

6:00 am-8:40 am

Nonstop2h 40m

San Francisco

Mon 3/17

9:24 pm-11:44 pm

Nonstop2h 20m

$178

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 4/2

7:10 am-3:05 pm

2 stops8h 55m

San Francisco

Mon 4/7

4:15 pm-12:05 am

1 stop6h 50m

$182

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Mon 4/7

6:04 pm-8:15 pm

Nonstop2h 11m

San Francisco

Tue 4/8

3:16 pm-5:24 pm

Nonstop2h 08m

$187

HaileySan Francisco

SUN - SFO

SUNSFO

Hailey Sun Valley-Friedman

Tue 4/22

12:56 pm-4:17 pm

1 stop4h 21m

San Francisco

Sat 5/17

10:10 am-2:43 pm

1 stop3h 33m

$197

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 3/26

4:00 pm-6:08 pm

Nonstop2h 08m

San Francisco

Wed 4/9

10:35 am-10:00 pm

1 stop11h 25m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 49 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.

Travel insights for flights from Idaho to San Francisco

Get recent, data-driven insights about flights from Idaho to San Francisco including ideal travel times, pricing trends, and more.

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 $403). 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 February 20, 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 February 20, 2025.

The most flights from USID to SFO are scheduled on a Thursday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 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 February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very good

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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?

  • 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 Alaska Airlines ($89), Hawaiian Airlines ($98), and Delta ($99).

  • What are the most popular routes from Idaho to San Francisco?

  • 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: United Airlines (90%), ANA (89%), Air Canada (87%).

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

    While on average a flight from Idaho to San Francisco is generally $744, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Spokane - San Francisco), you can expect to pay $177 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 $403). 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
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
South San Francisco
Antioch
Milpitas
Vallejo
Newark
Alameda
Campbell
Pacific Grove
Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 3 airlines flying from Idaho to San Francisco

Discover the top 3 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$148Average$252FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$157Average$390FlexibilityNo cancel feeOn-time69%
DeltaCheapest$161Average$395FlexibilityNo cancel feeOn-timeN/A
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