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Idaho

$78+ Cheap flights from San Francisco (SFO) to Idaho

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from San Francisco to Idaho

Keep the following information in mind while searching for San Francisco to Idaho flight deals. Data was last updated June 12, 2025.

Round-trip from

$149
(SmartFares)

One-way from

$78
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$287

Good round-trip deal

$203 or less

Good one-way deal

$118 or less
From San Francisco to Idaho
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One-way flight from San Francisco to Idaho
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Highest demand for flights based on searches. 14% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 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 San Francisco to Idaho.
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Price to beat on a one-way flight from San Francisco to Idaho.
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Find flight deals from San Francisco to Idaho

Cheapest flights from San Francisco to Idaho
Explore the most affordable flight options available from San Francisco to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:14 pmSFO - BOI
Nonstop1h 36mAlaska Airlines
Wed 9/1012:43 pmBOI - SFO
Nonstop1h 49mAlaska Airlines
Deal found 6/11$149
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 9/204:52 pmSFO - GEG
1 stop7h 07mAlaska Airlines
Tue 9/239:54 amGEG - SFO
1 stop3h 38mAlaska Airlines
Deal found 6/11$156
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/131:59 pmSFO - BOI
Nonstop1h 41mUnited Airlines
Mon 8/187:15 pmBOI - SFO
Nonstop1h 50mUnited Airlines
Deal found 6/10$157
This Southwest deal was found by Cheapflights users on 6/11. 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 9/206:50 amSFO - GEG
1 stop6h 25mSouthwest
Tue 9/2312:05 pmGEG - SFO
2 stops9h 20mSouthwest
Deal found 6/11$162
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 8/152:30 pmSFO - BOI
Nonstop1h 34mHawaiian Airlines
Mon 8/181:00 pmBOI - SFO
Nonstop1h 49mHawaiian Airlines
Deal found 6/11$167
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 8/77:49 pmSFO - GEG
1 stop4h 10mHawaiian Airlines
Mon 8/114:47 pmGEG - SFO
Nonstop2h 22mHawaiian Airlines
Deal found 6/12$167
This Delta deal was found by Cheapflights users on 6/11. 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 8/215:55 amSFO - GEG
1 stop6h 46mDelta
Mon 8/255:30 pmGEG - SFO
1 stop6h 03mDelta
Deal found 6/11$177
This Southwest deal was found by Cheapflights users on 6/11. 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 9/62:35 pmSFO - BOI
1 stop6h 35mSouthwest
Wed 9/103:45 pmBOI - SFO
2 stops6h 40mSouthwest
Deal found 6/11$182
This Delta deal was found by Cheapflights users on 6/10. 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 8/157:15 pmSFO - BOI
1 stop3h 44mDelta
Mon 8/186:00 pmBOI - SFO
1 stop6h 48mDelta
Deal found 6/10$187
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/44:50 pmSFO - JAC
Nonstop2h 07mUnited Airlines
Wed 7/98:00 amJAC - SFO
1 stop5h 05mUnited Airlines
Deal found 6/10$219
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/98:58 pmSFO - GEG
Nonstop2h 10mUnited Airlines
Wed 7/163:28 pmGEG - SFO
Nonstop2h 22mUnited Airlines
Deal found 6/10$223
This Delta deal was found by Cheapflights users on 6/9. 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 7/85:08 pmSFO - SUN
1 stop3h 48mDelta
Tue 7/1512:38 pmSUN - SFO
1 stop4h 35mDelta
Deal found 6/9$229

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco to Idaho 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 12, 2025.
Use the filters below to find and compare flights from San Francisco to Idaho that are best for you.

Fly from

San Francisco

Fly to

Idaho

Route

Depart

Return

Price

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Sun 9/7

5:14 pm-7:50 pm

Nonstop1h 36m

Boise Air Term. Gowen Fld

Wed 9/10

12:43 pm-1:32 pm

Nonstop1h 49m

$149

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Wed 8/13

1:59 pm-4:40 pm

Nonstop1h 41m

Boise Air Term. Gowen Fld

Mon 8/18

7:15 pm-8:05 pm

Nonstop1h 50m

$157

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Sat 8/16

7:49 pm-11:59 pm

1 stop4h 10m

Spokane

Thu 8/21

2:36 pm-4:57 pm

Nonstop2h 21m

$157

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Fri 8/15

2:30 pm-5:04 pm

Nonstop1h 34m

Boise Air Term. Gowen Fld

Mon 8/18

1:00 pm-1:49 pm

Nonstop1h 49m

$167

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Thu 8/7

7:49 pm-11:59 pm

1 stop4h 10m

Spokane

Mon 8/11

4:47 pm-7:09 pm

Nonstop2h 22m

$167

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Sat 8/16

6:50 am-1:15 pm

1 stop6h 25m

Spokane

Thu 8/21

10:10 am-7:15 pm

2 stops9h 05m

$172

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Thu 8/21

5:55 am-12:41 pm

1 stop6h 46m

Spokane

Mon 8/25

5:30 pm-11:33 pm

1 stop6h 03m

$177

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Sat 9/6

2:35 pm-10:10 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Wed 9/10

3:45 pm-9:25 pm

2 stops6h 40m

$182

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Fri 8/15

7:15 pm-11:59 pm

1 stop3h 44m

Boise Air Term. Gowen Fld

Mon 8/18

6:00 pm-11:48 pm

1 stop6h 48m

$187

San FranciscoJackson

SFO - JAC

SFOJAC

San Francisco

Fri 7/4

4:50 pm-7:57 pm

Nonstop2h 07m

Jackson Hole

Wed 7/9

8:00 am-12:05 pm

1 stop5h 05m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 59 results
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Best time to book a flight from San Francisco to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from San Francisco 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 San Francisco to Idaho

What is the cheapest month to book a flight from San Francisco to Idaho?

Currently, October is the cheapest month in which you can book a flight from San Francisco to Idaho (average of $314). Flying from San Francisco to Idaho in June is currently the most expensive (average of $395). 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 SFO to ID?

Find hourly flight availability from San Francisco to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from San Francisco to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Francisco to Idaho

Explore weekly flight availability from San Francisco to Idaho. 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 12, 2025.

The most flights from SFO to USID are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Francisco to Idaho have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

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 San Francisco to Idaho. 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 from for flights from San Francisco to Idaho?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Idaho.

  • How popular is this San Francisco to Idaho flight route?

    Within the past month, 9 users have taken a look at flights from San Francisco to Idaho.

  • What are the cheapest airlines to fly from San Francisco to Idaho one-way?

    One-way options have recently been found by users for as low as $78 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $79 and Hawaiian Airlines from $79 one-way.

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

    The most popular flight routes from San Francisco to Idaho are San Francisco - Boise Air Term. Gowen Fld, San Francisco - Jackson Hole and San Francisco - Spokane.

  • What are the most reliable airlines from San Francisco to Idaho?

    The top 3 most reliable airlines when flying from San Francisco to Idaho are Air Canada (87%), Air New Zealand (87%) and United Airlines (86%).

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

    Looking at all options, your cheapest flight can be booked for $73. While the most popular route (San Francisco - Boise Air Term. Gowen Fld) can be booked for $140 on average our data indicates $217 when flying from San Francisco to Idaho.

  • Can I find deals for flights from San Francisco to Idaho that include hotel bookings?

    Yes. In addition to deals on San Francisco to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Idaho.

  • Can I find deals for business class flights from San Francisco to Idaho?

    Yes. Cheapflights offers flight deals from San Francisco to Idaho 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 San Francisco to Idaho?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Idaho (average of $314). Flying from San Francisco to Idaho in June is currently the most expensive (average of $395). 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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Alternative routes for San Francisco to Idaho

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Top 4 airlines flying from San Francisco to Idaho

Discover the top 4 airlines that operate flights from San Francisco to Idaho. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$68Average$217FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$156Average$370FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$157Average$478FlexibilityNo cancel feeOn-time69%
DeltaCheapest$245Average$499FlexibilityNo cancel feeOn-timeN/A

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