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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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(United Airlines)

One-way from

$79
(Hawaiian Airlines)

Popular in

March

Cheapest in

January

Average price

$369

Good round-trip deal

$377 or less

Good one-way deal

$192 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Francisco flights.
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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. 2% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/237:30 amBOI - SFO
Nonstop1h 59mUnited Airlines
Wed 4/236:55 pmSFO - BOI
Nonstop1h 48mUnited Airlines
Deal found 3/27$137
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/161:00 pmBOI - SFO
Nonstop1h 44mAlaska Airlines
Sat 5/172:31 pmSFO - BOI
Nonstop1h 40mAlaska Airlines
Deal found 3/27$147
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:30 amBOI - SFO
1 stop5h 00mHawaiian Airlines
Wed 4/304:49 pmSFO - BOI
1 stop4h 50mHawaiian Airlines
Deal found 3/27$151
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 4/237:30 amBOI - SFO
1 stop6h 21mDelta
Wed 4/235:12 pmSFO - BOI
1 stop5h 57mDelta
Deal found 3/27$157
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/234:00 pmGEG - SFO
Nonstop2h 08mAlaska Airlines
Wed 4/3011:21 amSFO - GEG
Nonstop2h 12mAlaska Airlines
Deal found 3/27$157
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/233:25 pmGEG - SFO
Nonstop2h 25mUnited Airlines
Wed 4/306:42 amSFO - GEG
1 stop5h 56mUnited Airlines
Deal found 3/27$167
This Hawaiian Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 5/285:25 pmGEG - SFO
Nonstop2h 10mHawaiian Airlines
Sat 5/312:39 pmSFO - GEG
Nonstop2h 06mHawaiian Airlines
Deal found 3/28$177
This Southwest deal was found by Cheapflights users on 3/27. 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.
Wed 4/231:35 pmGEG - SFO
2 stops9h 05mSouthwest
Wed 4/305:15 amSFO - GEG
1 stop6h 55mSouthwest
Deal found 3/27$182
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 5/712:37 pmSUN - SFO
2 stops11h 32mDelta
Wed 5/145:05 pmSFO - SUN
1 stop3h 43mDelta
Deal found 3/27$202
This Delta deal was found by Cheapflights users on 3/28. 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.
Fri 4/185:05 pmGEG - SFO
1 stop7h 03mDelta
Mon 4/217:16 pmSFO - GEG
1 stop4h 28mDelta
Deal found 3/28$217
This Southwest deal was found by Cheapflights users on 3/27. 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.
Wed 4/163:00 pmBOI - SFO
2 stops8h 15mSouthwest
Sun 4/206:30 amSFO - BOI
1 stop4h 55mSouthwest
Deal found 3/27$272
This Delta deal was found by Cheapflights users on 3/28. 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.
Sat 5/31:23 pmJAC - SFO
1 stop3h 54mDelta
Tue 5/69:10 amSFO - JAC
2 stops8h 48mDelta
Deal found 3/28$339

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 March 28, 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

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Wed 4/23

7:30 am-8:29 am

Nonstop1h 59m

San Francisco

Wed 4/23

6:55 pm-9:43 pm

Nonstop1h 48m

$137

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Fri 5/16

1:00 pm-1:44 pm

Nonstop1h 44m

San Francisco

Sat 5/17

2:31 pm-5:11 pm

Nonstop1h 40m

$147

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 4/29

1:00 pm-5:49 pm

1 stop5h 49m

San Francisco

Wed 4/30

2:30 pm-10:39 pm

1 stop7h 09m

$156

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 4/23

4:00 pm-6:08 pm

Nonstop2h 08m

San Francisco

Wed 4/30

11:21 am-1:33 pm

Nonstop2h 12m

$157

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Fri 5/16

7:50 pm-12:04 am

1 stop5h 14m

San Francisco

Sat 5/17

4:21 pm-11:28 pm

1 stop6h 07m

$167

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 4/23

3:25 pm-5:50 pm

Nonstop2h 25m

San Francisco

Wed 4/30

6:42 am-12:38 pm

1 stop5h 56m

$167

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 5/28

5:25 pm-7:35 pm

Nonstop2h 10m

San Francisco

Sat 5/31

2:39 pm-4:45 pm

Nonstop2h 06m

$177

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 4/23

1:35 pm-10:40 pm

2 stops9h 05m

San Francisco

Wed 4/30

5:15 am-12:10 pm

1 stop6h 55m

$182

HaileySan Francisco

SUN - SFO

SUNSFO

Hailey Sun Valley-Friedman

Wed 5/7

12:37 pm-11:09 pm

2 stops11h 32m

San Francisco

Wed 5/14

5:05 pm-9:48 pm

1 stop3h 43m

$202

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 4/18

5:05 pm-12:08 am

1 stop7h 03m

San Francisco

Mon 4/21

7:16 pm-11:44 pm

1 stop4h 28m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 44 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 $398). 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 March 28, 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 March 28, 2025.

The most flights from USID to SFO are scheduled on a Friday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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 March 28, 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.
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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, 48 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 ($79), Delta ($89), and Southwest ($94).

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

    When deciding which route to take from Idaho to San Francisco consider Spokane - San Francisco, Boise Air Term. Gowen Fld - 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: United Airlines (89%), Air New Zealand (88%), SkyWest Airlines (87%).

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

    While on average a flight from Idaho to San Francisco is generally $1,866, our data shows the cheapest flight currently is $109. When looking at the most popular route, (Spokane - San Francisco), you can expect to pay $157 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 $398). 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
Santa Cruz
Turlock
Fairfield
South San Francisco
Manteca
Sausalito
Richmond
Watsonville
Hollister
Milpitas
Antioch
Hayward
Vallejo
Newark
Alameda
Campbell
Daly City
Pacific Grove

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.
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$88Average$217FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$151Average$244FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$157Average$397FlexibilityNo cancel feeOn-time69%
DeltaCheapest$210Average$422FlexibilityNo cancel feeOn-timeN/A
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