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$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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from San Francisco to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Idaho (USID). 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 November 21, 2024.

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 November 21, 2024.

This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 12/1110:16 amSFO - BOI
1 stop7h 02mAlaska Airlines
Tue 12/172:47 pmBOI - SFO
2 stops19h 53mAlaska Airlines
Deal found 11/19$194
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/111:30 pmSFO - BOI
Nonstop1h 42mUnited Airlines
Sat 12/1410:40 amBOI - SFO
Nonstop1h 58mUnited Airlines
Deal found 11/20$227
This Alaska Airlines deal was found by Cheapflights users on 11/21. 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.
Sat 12/1410:37 amSFO - GEG
1 stop12h 07mAlaska Airlines
Mon 3/179:54 pmGEG - SFO
1 stop10h 58mAlaska Airlines
Deal found 11/21$246
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/106:05 amSFO - BOI
1 stop6h 15mDelta
Thu 12/125:10 pmBOI - SFO
1 stop8h 05mDelta
Deal found 11/20$271
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Sat 12/149:00 pmSFO - GEG
Nonstop2h 15mUnited Airlines
Mon 3/176:00 amGEG - SFO
Nonstop2h 40mUnited Airlines
Deal found 11/21$293
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Thu 12/1911:57 amSFO - JAC
Nonstop2h 14mUnited Airlines
Thu 12/264:07 pmJAC - SFO
Nonstop2h 39mUnited Airlines
Deal found 11/21$309
This Delta deal was found by Cheapflights users on 11/21. 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.
Sun 12/297:25 pmSFO - GEG
1 stop4h 41mDelta
Fri 1/36:55 amGEG - SFO
1 stop5h 30mDelta
Deal found 11/21$327
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/192:30 pmSFO - BOI
2 stops7h 00mSouthwest
Sun 12/222:55 pmBOI - SFO
1 stop6h 45mSouthwest
Deal found 11/20$346
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/106:00 amSFO - JAC
1 stop5h 25mDelta
Sun 12/155:40 pmJAC - SFO
1 stop7h 38mDelta
Deal found 11/20$355
This Delta deal was found by Cheapflights users on 11/20. 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.
Sat 12/76:00 amSFO - SUN
1 stop5h 45mDelta
Wed 12/117:20 amSUN - SFO
2 stops13h 52mDelta
Deal found 11/20$366
This American Airlines deal was found by Cheapflights users on 11/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/234:10 pmSFO - GEG
1 stop7h 09mAmerican Airlines
Tue 11/266:29 amGEG - SFO
1 stop6h 02mAmerican Airlines
Deal found 11/21$390
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:40 amSFO - GEG
2 stops8h 10mSouthwest
Wed 12/111:30 pmGEG - SFO
2 stops8h 20mSouthwest
Deal found 11/20$407

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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 1/16

10:21 am-1:01 pm

Nonstop1h 40m

Boise Air Term. Gowen Fld

Mon 1/20

9:30 am-10:24 am

1 stop25h 54m

$189

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Tue 1/21

7:00 am-12:43 pm

1 stop5h 43m

Spokane

Sat 1/25

1:37 pm-9:21 pm

2 stops7h 44m

$204

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 12/17

12:45 pm-9:19 pm

1 stop7h 34m

Boise Air Term. Gowen Fld

Tue 12/24

5:59 am-9:20 am

1 stop4h 21m

$221

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Sat 1/25

2:40 pm-9:43 pm

1 stop6h 03m

Boise Air Term. Gowen Fld

Tue 1/28

7:21 am-8:40 am

Nonstop2h 19m

$237

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Thu 1/9

1:11 pm-3:33 pm

Nonstop2h 22m

Spokane

Wed 1/15

7:02 am-9:45 am

Nonstop2h 43m

$237

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 2/7

11:20 am-10:33 pm

1 stop10h 13m

Idaho Falls Fanning Field

Mon 2/10

4:04 pm-10:12 pm

1 stop7h 08m

$274

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Fri 2/7

6:10 am-2:55 pm

2 stops7h 45m

Hailey Sun Valley-Friedman

Tue 2/11

1:10 pm-4:21 pm

1 stop4h 11m

$279

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 2/6

10:20 am-6:20 pm

2 stops7h 00m

Boise Air Term. Gowen Fld

Sat 2/8

1:20 pm-8:15 pm

2 stops7h 55m

$281

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 1/23

4:18 pm-10:17 pm

1 stop4h 59m

Idaho Falls Fanning Field

Sun 1/26

5:30 am-9:41 am

1 stop5h 11m

$294

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Sat 5/10

10:00 am-4:56 pm

1 stop6h 56m

Spokane

Mon 5/12

3:05 pm-7:24 pm

1 stop4h 19m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 50 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.

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, January is the cheapest month in which you can book a flight from San Francisco to Idaho (average of $310). 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 November 21, 2024.

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 November 21, 2024.

The most flights from SFO to USID are scheduled on a Thursday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 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 November 21, 2024.
See what other customers who have flown with Alaska Airlines, United Airlines and Southwest 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
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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.

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,005 reviews

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

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, 4 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 United Airlines. Other airlines that offer cheap prices include Delta from $88 and Alaska Airlines from $109 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 Emirates (87%), Air Canada (83%) and United Airlines (82%).

  • 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 $311 on average our data indicates $389 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, January is the cheapest month in which you can book a flight from San Francisco to Idaho (average of $310). 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

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Alternative routes for San Francisco to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$108Average$379FlexibilityNo cancel feeOn-time75%
DeltaCheapest$176Average$464FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$177Average$487FlexibilityNo cancel feeOn-time69%
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