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Idaho

$72+ Cheap flights from San Francisco Bay Area 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Idaho

Cheapest flights from San Francisco Bay Area to Idaho
Explore the most affordable flight options available from San Francisco Bay Area to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

This United Airlines deal was found by Cheapflights users on 12/26. 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 12/307:10 pmSFO - GEG
Nonstop2h 21mUnited Airlines
Thu 1/16:00 amGEG - SFO
Nonstop2h 45mUnited Airlines
Deal found 12/26$343
This United Airlines deal was found by Cheapflights users on 12/26. 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.
Mon 12/297:10 pmSFO - GEG
Nonstop2h 21mUnited Airlines
Thu 1/16:00 amGEG - SFO
Nonstop2h 45mUnited Airlines
Deal found 12/26$355
This Delta deal was found by Cheapflights users on 12/25. 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.
Sun 12/2812:22 pmSJC - GEG
1 stop6h 21mDelta
Wed 12/313:32 pmGEG - SJC
1 stop4h 24mDelta
Deal found 12/25$363
This Delta deal was found by Cheapflights users on 12/25. 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 12/277:13 amSJC - GEG
1 stop7h 38mDelta
Mon 1/59:55 amGEG - SJC
1 stop6h 19mDelta
Deal found 12/25$385
This United Airlines deal was found by Cheapflights users on 12/26. 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 12/307:10 pmSFO - GEG
Nonstop2h 21mUnited Airlines
Fri 1/24:00 pmGEG - SFO
1 stop7h 05mUnited Airlines
Deal found 12/26$394
This Orbitz deal was found by Cheapflights users on 12/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:25 pmSFO - GEG
1 stop3h 41mAlaska Airlines
Thu 1/12:53 pmGEG - SFO
1 stop6h 48mAlaska Airlines
Deal found 12/26$396
This Delta deal was found by Cheapflights users on 12/26. 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 12/264:47 pmSJC - GEG
1 stop7h 12mDelta
Sat 12/275:55 amGEG - SJC
1 stop6h 46mDelta
Deal found 12/26$397
This Delta deal was found by Cheapflights users on 12/26. 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 12/261:45 pmSFO - GEG
1 stop7h 30mDelta
Sat 12/275:00 amGEG - SFO
1 stop4h 33mDelta
Deal found 12/26$407
This Southwest deal was found by Cheapflights users on 12/25. 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.
Thu 12/252:15 pmSFO - GEG
1 stop8h 10mSouthwest
Sun 12/284:05 pmGEG - SFO
1 stop5h 55mSouthwest
Deal found 12/25$416
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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.
Tue 12/307:25 pmSFO - GEG
1 stop3h 41mAlaska Airlines
Fri 1/27:32 pmGEG - SFO
1 stop4h 17mAlaska Airlines
Deal found 12/26$418
This Delta deal was found by Cheapflights users on 12/26. 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 12/296:30 pmSFO - GEG
1 stop5h 34mDelta
Fri 1/27:23 pmGEG - SFO
1 stop5h 09mDelta
Deal found 12/26$431
This Southwest deal was found by Cheapflights users on 12/26. 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.
Fri 12/264:40 pmSFO - GEG
1 stop7h 30mSouthwest
Sat 12/279:50 amGEG - SFO
2 stops8h 05mSouthwest
Deal found 12/26$443

Find flight deals from San Francisco Bay Area to Idaho

Keep the following information in mind while searching for San Francisco Bay Area to Idaho flight deals. Data was last updated December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$153
(Alaska Airlines)

One-way from

$72
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$369
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 Bay Area to Idaho
Search Deals
One-way flight from San Francisco Bay Area to Idaho
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area 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 December 27, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Idaho that are best for you.

Fly from

San Francisco Bay Area

Fly to

Idaho

Route

Depart

Return

Price

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 1/22

9:00 pm-11:48 pm

Nonstop1h 48m

Boise Air Term. Gowen Fld

Thu 1/29

10:48 am-12:05 pm

Nonstop2h 17m

$153

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Sat 1/17

7:24 pm-10:09 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

Wed 1/21

8:10 am-9:16 am

Nonstop2h 06m

$153

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 1/22

7:24 pm-10:09 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

Thu 1/29

8:10 am-9:16 am

Nonstop2h 06m

$153

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Fri 1/16

7:24 pm-10:09 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

Mon 1/19

8:10 am-9:16 am

Nonstop2h 06m

$155

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 1/22

7:24 pm-10:09 pm

Nonstop1h 45m

Boise Air Term. Gowen Fld

Sun 1/25

8:10 am-9:16 am

Nonstop2h 06m

$155

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Thu 1/29

7:22 pm-10:09 pm

Nonstop1h 47m

Boise Air Term. Gowen Fld

Wed 2/4

8:10 am-9:16 am

Nonstop2h 06m

$155

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Wed 1/28

11:40 am-2:20 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

Tue 2/3

4:00 pm-4:50 pm

Nonstop1h 50m

$157

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Fri 4/10

6:56 pm-9:40 pm

Nonstop1h 44m

Boise Air Term. Gowen Fld

Wed 4/15

7:40 am-8:40 am

Nonstop2h 00m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Thu 1/22

7:22 pm-10:09 pm

Nonstop1h 47m

Boise Air Term. Gowen Fld

Thu 1/29

8:10 am-9:16 am

Nonstop2h 06m

$157

San JoseBoise

SJC - BOI

SJCBOI

San Jose

Wed 2/25

5:01 pm-7:40 pm

Nonstop1h 39m

Boise Air Term. Gowen Fld

Mon 3/2

10:25 am-11:18 am

Nonstop1h 53m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco Bay Area to Idaho

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

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Idaho (average of $41). Flying from San Francisco Bay Area to Idaho in September is currently the most expensive (average of $137). 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 XIH to ID?

Find hourly flight availability from San Francisco Bay Area 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 December 27, 2025.

It’s optimal to fly from San Francisco Bay Area to Idaho at noon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from San Francisco Bay Area to Idaho?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Idaho. Price data was last updated on December 27, 2025.

Travelers seeking maximum savings on their San Francisco Bay Area to Idaho flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco Bay Area to Idaho

Explore weekly flight availability from San Francisco Bay Area 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 December 27, 2025.

The most flights from zzXIH to USID are scheduled on a Monday (16 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).

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 December 27, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from San Francisco Bay Area to Idaho to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,545 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,545 reviews
Alaska Airlines
8.0
Very good
11,545 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
8.0
Very good
4,257 reviews
Alaska Airlines
8.0
Very good
11,545 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,019 reviews
Alaska Airlines
8.0
Very good
11,545 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,545 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,114 reviews
Alaska Airlines
8.0
Very good
11,545 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The San Francisco Bay Area to Idaho flight path was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from San Francisco Bay Area to Idaho?

    Departing from San Francisco Bay Area to Idaho will take you 1h 45m. The distance from San Francisco Bay Area to Idaho is about 522 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $36. Users have also found prices from $37 and $68 on Avelo Airlines and Alaska Airlines, respectively.

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

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

  • How can I find direct flights from San Francisco Bay Area 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 Bay Area to Idaho.

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

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Idaho (average of $41). Flying from San Francisco Bay Area to Idaho in September is currently the most expensive (average of $137). 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.

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Alternative routes for San Francisco Bay Area to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from San Francisco Bay Area to Idaho

Discover the top 7 airlines that operate flights from San Francisco Bay Area 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$76Average$119FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$78Average$227FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$98Average$134FlexibilityNo cancel feeOn-time88%
DeltaCheapest$108Average$361FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$137Average$449FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$147Average$307FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$149Average$350FlexibilityNo cancel feeOn-time75%

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