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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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SFO
Jan 19 — Jan 261
Sun 1/19
Sun 1/26
1 adult, Economy
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Cheap flight deals from Idaho to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 14, 2025.

Round-trip from

$137
(United Airlines)

One-way from

$69
(Alaska Airlines)
From Idaho to San Francisco
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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 January 14, 2025.

This United Airlines deal was found by Cheapflights users on 1/13. 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.
Tue 2/1110:57 amBOI - SFO
Nonstop2h 03mUnited Airlines
Tue 2/188:28 amSFO - BOI
Nonstop1h 50mUnited Airlines
Deal found 1/13$137
This Trip.com deal was found by Cheapflights users on 1/14. 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.
Fri 2/286:46 pmBOI - SFO
Nonstop1h 41mAlaska Airlines
Fri 3/710:21 amSFO - BOI
Nonstop1h 42mAlaska Airlines
Deal found 1/14$150
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Tue 2/47:02 amGEG - SFO
Nonstop2h 43mUnited Airlines
Mon 2/109:06 pmSFO - GEG
Nonstop2h 22mUnited Airlines
Deal found 1/13$167
This Delta deal was found by Cheapflights users on 1/13. 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.
Mon 2/35:59 pmBOI - SFO
1 stop7h 15mDelta
Thu 2/209:21 amSFO - BOI
1 stop5h 55mDelta
Deal found 1/13$177
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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 5/12:13 pmGEG - SFO
Nonstop2h 17mAlaska Airlines
Tue 5/612:05 pmSFO - GEG
1 stop3h 32mAlaska Airlines
Deal found 1/13$177
This Delta deal was found by Cheapflights users on 1/14. 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 2/152:30 pmSUN - SFO
1 stop6h 20mDelta
Tue 2/185:30 amSFO - SUN
1 stop5h 50mDelta
Deal found 1/14$207
This Delta deal was found by Cheapflights users on 1/13. 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 2/63:25 pmGEG - SFO
1 stop4h 32mDelta
Sun 2/96:10 amSFO - GEG
1 stop4h 35mDelta
Deal found 1/13$228
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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 2/76:57 pmSUN - SFO
2 stops14h 03mAlaska Airlines
Mon 2/102:43 pmSFO - SUN
1 stop17h 57mAlaska Airlines
Deal found 1/14$234
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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 2/68:00 amIDA - SFO
2 stops12h 00mAlaska Airlines
Tue 2/1111:20 amSFO - IDA
1 stop10h 13mAlaska Airlines
Deal found 1/13$239
This American Airlines deal was found by Cheapflights users on 1/13. 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.
Sat 3/226:04 pmGEG - SFO
Nonstop2h 11mAmerican Airlines
Tue 3/253:16 pmSFO - GEG
Nonstop2h 08mAmerican Airlines
Deal found 1/13$267
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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 2/612:39 pmJAC - SFO
1 stop11h 59mAlaska Airlines
Sun 2/96:00 amSFO - JAC
1 stop4h 59mAlaska Airlines
Deal found 1/13$282
This Delta deal was found by Cheapflights users on 1/14. 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 2/66:00 amIDA - SFO
1 stop4h 20mDelta
Tue 2/115:16 pmSFO - IDA
1 stop4h 28mDelta
Deal found 1/14$288

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 January 14, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 2/11

10:57 am-12:00 pm

Nonstop2h 03m

San Francisco

Tue 2/18

8:28 am-11:18 am

Nonstop1h 50m

$137

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Fri 2/28

6:46 pm-7:27 pm

Nonstop1h 41m

San Francisco

Fri 3/7

10:21 am-1:03 pm

Nonstop1h 42m

$150

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Tue 2/4

7:02 am-9:45 am

Nonstop2h 43m

San Francisco

Mon 2/10

9:06 pm-11:28 pm

Nonstop2h 22m

$167

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Mon 2/3

5:59 pm-12:14 am

1 stop7h 15m

San Francisco

Thu 2/20

9:21 am-4:16 pm

1 stop5h 55m

$177

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Thu 5/1

2:13 pm-4:30 pm

Nonstop2h 17m

San Francisco

Mon 5/5

11:21 am-1:33 pm

Nonstop2h 12m

$177

HaileySan Francisco

SUN - SFO

SUNSFO

Hailey Sun Valley-Friedman

Sat 2/15

2:30 pm-7:50 pm

1 stop6h 20m

San Francisco

Tue 2/18

5:30 am-12:20 pm

1 stop5h 50m

$207

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Thu 2/6

3:25 pm-7:57 pm

1 stop4h 32m

San Francisco

Sun 2/9

6:10 am-10:45 am

1 stop4h 35m

$228

HaileySan Francisco

SUN - SFO

SUNSFO

Hailey Sun Valley-Friedman

Fri 2/7

6:57 pm-8:00 am

2 stops14h 03m

San Francisco

Mon 2/10

2:43 pm-9:40 am

1 stop17h 57m

$234

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Thu 2/6

8:00 am-7:00 pm

2 stops12h 00m

San Francisco

Tue 2/11

11:20 am-10:33 pm

1 stop10h 13m

$239

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Sat 3/22

6:04 pm-8:15 pm

Nonstop2h 11m

San Francisco

Tue 3/25

3:16 pm-5:24 pm

Nonstop2h 08m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 38 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 $405). 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 January 14, 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 January 14, 2025.

The most flights from USID to SFO are scheduled on a Thursday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (14 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 January 14, 2025.
Get a feel of what it's like to fly with United Airlines, 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
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,672 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,508 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
8,961 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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?

    Within the past month, 53 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 Alaska Airlines ($69), United Airlines ($79), and Delta ($87).

  • 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 Hailey Sun Valley-Friedman - 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: ANA (87%), United Airlines (84%), SkyWest Airlines (81%).

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

    While on average a flight from Idaho to San Francisco is generally $956, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Boise Air Term. Gowen Fld - San Francisco), you can expect to pay $137 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 $405). 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
Mountain View
Roseville
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
Antioch
South San Francisco
Milpitas
Elk Grove
Newark
Alameda
Campbell
Lathrop
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 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 January 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$152Average$260FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$158Average$378FlexibilityNo cancel feeOn-time69%
DeltaCheapest$161Average$343FlexibilityNo cancel feeOn-timeN/A
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