HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$79+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
feb 27 — mar 61
gio 2/27
gio 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Idaho with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 febbraio 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$176
(Alaska Airlines)

One-way from

$79
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$300

Good round-trip deal

$223 or less

Good one-way deal

$113 or less
Provider with most accurate pricing for San Francisco-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Boise Air Term. Gowen Fld flights.
Search Deals
From San Francisco to Idaho
Search Deals
One-way flight from San Francisco to Idaho
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from San Francisco to Idaho.
Search Deals
Price to beat on a one-way flight from San Francisco to Idaho.
Search Deals

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 febbraio 22, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
mer 4/1610:35 amSFO - GEG
1 stop3h 39mAlaska Airlines
mar 4/291:25 pmGEG - SFO
1 stop4h 24mAlaska Airlines
Deal found 2/21$176
This Hawaiian Airlines deal was found by Cheapflights users on 2/22. 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.
lun 3/1010:21 amSFO - BOI
Nonstop1h 42mHawaiian Airlines
mer 3/126:46 pmBOI - SFO
Nonstop1h 41mHawaiian Airlines
Deal found 2/22$177
This Delta deal was found by Cheapflights users on 2/21. 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.
mar 4/81:45 pmSFO - BOI
1 stop7h 15mDelta
sab 4/194:40 pmBOI - SFO
1 stop6h 50mDelta
Deal found 2/21$183
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
mar 3/116:00 amSFO - BOI
1 stop6h 51mAlaska Airlines
mer 3/126:46 pmBOI - SFO
Nonstop1h 41mAlaska Airlines
Deal found 2/21$187
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 4/241:35 pmSFO - BOI
Nonstop1h 46mUnited Airlines
dom 4/277:30 amBOI - SFO
Nonstop1h 59mUnited Airlines
Deal found 2/21$188
This Hawaiian Airlines deal was found by Cheapflights users on 2/22. 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.
mar 3/114:22 pmSFO - GEG
1 stop7h 09mHawaiian Airlines
lun 3/175:40 pmGEG - SFO
1 stop5h 03mHawaiian Airlines
Deal found 2/22$196
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.
gio 3/64:37 pmSFO - GEG
1 stop6h 15mDelta
mer 3/126:15 amGEG - SFO
1 stop6h 34mDelta
Deal found 2/20$197
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 4/277:10 pmSFO - GEG
Nonstop2h 16mUnited Airlines
gio 5/13:25 pmGEG - SFO
Nonstop2h 25mUnited Airlines
Deal found 2/21$207
This Delta deal was found by Cheapflights users on 2/21. 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.
mer 3/2610:05 amSFO - SUN
1 stop3h 42mDelta
sab 3/291:45 pmSUN - SFO
1 stop4h 40mDelta
Deal found 2/21$227
This Trip.com deal was found by Cheapflights users on 2/21. 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.
mer 3/1910:35 amSFO - GEG
1 stop3h 39mMultiple Airlines
mar 3/256:19 pmGEG - SFO
1 stop4h 26mMultiple Airlines
Deal found 2/21$232
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.
mer 3/195:40 amSFO - IDA
1 stop5h 38mDelta
mer 3/266:55 pmIDA - SFO
1 stop6h 04mDelta
Deal found 2/20$237
This Southwest deal was found by Cheapflights users on 2/21. 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.
ven 4/252:55 pmSFO - BOI
1 stop7h 35mSouthwest
lun 4/283:30 pmBOI - SFO
2 stops7h 50mSouthwest
Deal found 2/21$252

Find flights from San Francisco to Idaho within your budget

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 febbraio 22, 2025.

Fly from

San Francisco

Fly to

Idaho

Route

Depart

Return

Price

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

mer 4/16

10:35 am-2:14 pm

1 stop3h 39m

Spokane

mar 4/29

1:25 pm-5:49 pm

1 stop4h 24m

$176

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

lun 3/10

10:21 am-1:03 pm

Nonstop1h 42m

Boise Air Term. Gowen Fld

mer 3/12

6:46 pm-7:27 pm

Nonstop1h 41m

$177

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

mar 4/8

1:45 pm-10:00 pm

1 stop7h 15m

Boise Air Term. Gowen Fld

sab 4/19

4:40 pm-10:30 pm

1 stop6h 50m

$183

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

mar 3/11

6:00 am-1:51 pm

1 stop6h 51m

Boise Air Term. Gowen Fld

mer 3/12

6:46 pm-7:27 pm

Nonstop1h 41m

$187

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

gio 4/24

1:35 pm-4:21 pm

Nonstop1h 46m

Boise Air Term. Gowen Fld

dom 4/27

7:30 am-8:29 am

Nonstop1h 59m

$188

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

mar 3/11

4:22 pm-11:31 pm

1 stop7h 09m

Spokane

lun 3/17

5:40 pm-10:43 pm

1 stop5h 03m

$196

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

gio 3/6

4:37 pm-10:52 pm

1 stop6h 15m

Spokane

mer 3/12

6:15 am-12:49 pm

1 stop6h 34m

$197

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

dom 4/27

7:10 pm-9:26 pm

Nonstop2h 16m

Spokane

gio 5/1

3:25 pm-5:50 pm

Nonstop2h 25m

$207

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

mer 3/26

10:05 am-2:47 pm

1 stop3h 42m

Hailey Sun Valley-Friedman

sab 3/29

1:45 pm-5:25 pm

1 stop4h 40m

$227

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

mer 3/19

10:35 am-2:14 pm

1 stop3h 39m

Spokane

mar 3/25

6:19 pm-10:45 pm

1 stop4h 26m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 55 results
1
2
3
...
6

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.

Travel insights for flights from San Francisco to Idaho

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

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 $436). 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 febbraio 22, 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 febbraio 22, 2025.

The most flights from SFO to USID are scheduled on a Wednesday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 febbraio 22, 2025.
See what other customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Southwest
8.1
Very good
4,395 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Alaska Airlines
8.0
Very good
9,700 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Delta
8.0
Very good
8,212 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

United Airlines
7.4
Good
8,759 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Overall

8.1

Entertainment

7.6

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

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, 8 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 $79 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $88 and Delta from $89 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 - Jackson Hole, San Francisco - Spokane and San Francisco - Boise Air Term. Gowen Fld.

  • 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 Copa Airlines (100%), Emirates (88%) and Air Canada (87%).

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

    Looking at all options, your cheapest flight can be booked for $78. While the most popular route (San Francisco - Jackson Hole) can be booked for $307 on average our data indicates $416 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 $436). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
San Francisco to Newark flights
Los Angeles to Seattle flights
San Francisco to Las Vegas flights
San Francisco to Seattle flights
Los Angeles to Miami flights
Los Angeles to LaGuardia flights
Los Angeles to O'Hare Intl flights
Los Angeles to Honolulu flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to Las Vegas flights
Los Angeles to Orlando flights
Oakland to Las Vegas flights
San Francisco to Los Angeles flights
Santa Ana to Las Vegas flights
San Jose to Las Vegas flights
Los Angeles to Reagan-National flights
Oakland to Los Angeles flights
Los Angeles to Dulles Intl flights
Los Angeles to San Francisco flights
Los Angeles to Fort Lauderdale flights
San Francisco to LaGuardia flights
San Francisco to O'Hare Intl flights
Burbank to Las Vegas flights
Los Angeles to Sky Harbor Intl flights
San Francisco to Dallas/Fort Worth flights
San Jose to Los Angeles flights
Los Angeles to Boston flights
Los Angeles to Austin flights
Los Angeles to Baltimore flights
Los Angeles to Hobby flights
Los Angeles to Oakland flights
Burbank to Newark flights
San Francisco to Ontario flights
San Francisco to Honolulu flights
Los Angeles to San Jose flights
Ontario to Honolulu flights
Ontario to Seattle flights
Burbank to Seattle flights
Los Angeles to Portland flights
Burbank to Dallas/Fort Worth flights
San Francisco to Dulles Intl flights
San Francisco to Miami flights
Los Angeles to Denver flights
Los Angeles to New Orleans flights
Los Angeles to Nashville flights
San Francisco to Santa Ana flights
San Francisco to Sky Harbor Intl flights

Top 3 airlines flying from San Francisco to Idaho

Discover the top 3 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 febbraio 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$144Average$365FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$165Average$484FlexibilityNo cancel feeOn-time69%
DeltaCheapest$238Average$495FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.