What is the cheapest airline that flies from Idaho to San Francisco?

Delta, Frontier, and United Airlines are the most popular carriers operating from Idaho to San Francisco

What airlines fly to San Francisco?

United Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to San Francisco from Idaho according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to San Francisco?

Flight times from Idaho to San Francisco vary, but if you’re flying out of Boise and flying into San Francisco (one of the most popular routes), then the duration is 1h 49m on average. Another popular route from Idaho to San Francisco is flying from Hailey to San Francisco, which will take roughly 2h 11m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from Idaho to San Francisco on average per day?

22 flights are operational daily from Idaho to San Francisco as of May 2026. The most popular departure time for this route is 12:00PM, with 41% of flights per day taking off at noon.

How many flights depart from Idaho to San Francisco on average per week?

The number of flights available between Idaho and San Francisco is 158 per week as of May 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

When did momondo last update prices for flights from Idaho to San Francisco Airport?

Prices for flights from Idaho to San Francisco Airport refresh daily.

How many operators does momondo search for flights from Idaho to San Francisco Airport?

As of May 2026, there are 4 operators available to choose from for flights from Idaho to San Francisco Airport.

How old do you have to be to fly from Idaho to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$91 Cheap Flights from Idaho to San Francisco in 2026

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Find the cheapest flights from Idaho to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 6:36 pm

SUN

SFO

6h 16m

1 stop

6:00 am - 12:45 pm

SFO

SUN

5h 45m

1 stop

$181Delta

Mon, Oct 19 - Wed, Oct 28

1:20 pm - 6:36 pm

SUN

SFO

6h 16m

1 stop

7:00 am - 2:54 pm

SFO

SUN

6h 54m

2 stops

$186Delta

Mon, Oct 19 - Wed, Oct 28

3:25 pm - 11:12 pm

SUN

SFO

8h 47m

2 stops

6:05 am - 2:45 pm

SFO

SUN

7h 40m

2 stops

$192Delta

Fri, Sep 25 - Mon, Sep 28

6:54 pm - 7:43 pm

BOI

SFO

1h 49mnonstop

3:05 pm - 5:43 pm

SFO

BOI

1h 38mnonstop

$207Alaska Airlines

Sat, May 30 - Mon, Jun 1

7:05 pm - 7:58 pm

BOI

SFO

1h 53mnonstop

8:59 pm - 11:55 pm

SFO

BOI

1h 56mnonstop

$211United Airlines

Tue, Jun 9 - Wed, Jun 10

1:50 pm - 4:04 pm

GEG

SFO

2h 14mnonstop

12:33 pm - 2:40 pm

SFO

GEG

2h 07mnonstop

$217Alaska Airlines

Wed, May 27 - Tue, Jun 9

10:35 am - 11:35 am

BOI

SFO

2h 00mnonstop

10:15 am - 1:08 pm

SFO

BOI

1h 53mnonstop

$217United Airlines

Tue, Jun 30 - Tue, Jul 7

8:50 am - 2:35 pm

BOI

SFO

6h 45m

1 stop

5:40 pm - 1:00 am

SFO

BOI

6h 20m

1 stop

$227Southwest

Mon, Jun 1 - Mon, Jun 1

1:25 pm - 12:18 am

BOI

SFO

11h 53m

1 stop

6:00 am - 12:29 pm

SFO

BOI

5h 29m

1 stop

$230Frontier

Thu, Jul 9 - Sun, Jul 12

4:05 pm - 10:25 pm

BOI

SFO

7h 20m

1 stop

2:55 pm - 12:25 am

SFO

BOI

8h 30m

2 stops

$234Southwest

Tue, Jun 9 - Wed, Jun 10

United Airlines flights from Idaho to San Francisco

Our best United Airlines deals on Idaho to San Francisco flight tickets

United Airlines

Jun 9

BOI7:05 pmBoise Air Term. Gowen Fld

1h 53m

SFO7:58 pmSan Francisco

Jun 10

SFO8:59 pmSan Francisco

1h 56m

BOI11:55 pmBoise Air Term. Gowen Fld

$211

United Airlines

Jun 30

BOI10:35 amBoise Air Term. Gowen Fld

2h 00m

SFO11:35 amSan Francisco

Jul 7

SFO10:15 amSan Francisco

1h 53m

BOI1:08 pmBoise Air Term. Gowen Fld

$217

United Airlines

Jun 10

BOI2:05 pmBoise Air Term. Gowen Fld

1h 58m

SFO3:03 pmSan Francisco

Jun 24

SFO1:54 pmSan Francisco

1h 50m

BOI4:44 pmBoise Air Term. Gowen Fld

$223

Alaska Airlines flights from Idaho to San Francisco

Our best Alaska Airlines deals on Idaho to San Francisco flight tickets

Alaska Airlines

May 30

BOI6:54 pmBoise Air Term. Gowen Fld

1h 49m

SFO7:43 pmSan Francisco

Jun 1

SFO3:05 pmSan Francisco

1h 38m

BOI5:43 pmBoise Air Term. Gowen Fld

$207

Alaska Airlines

May 27

GEG1:50 pmSpokane

2h 14m

SFO4:04 pmSan Francisco

Jun 9

SFO12:33 pmSan Francisco

2h 07m

GEG2:40 pmSpokane

$217

Alaska Airlines

Jun 9

GEG5:00 amSpokane

4h 01m

1 stop

SFO9:01 amSan Francisco

Jun 9

SFO12:33 pmSan Francisco

2h 07m

GEG2:40 pmSpokane

$221

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HaileySan Francisco

SUN - SFO

SUNSFO

Hailey Sun Valley-Friedman

Mon 10/19

1:20 pm-6:36 pm

1 stop6h 16m

San Francisco

Wed 10/28

6:00 am-12:45 pm

1 stop5h 45m

$181

HaileySan Francisco

SUN - SFO

SUNSFO

Hailey Sun Valley-Friedman

Mon 10/19

1:20 pm-6:36 pm

1 stop6h 16m

San Francisco

Wed 10/28

7:00 am-2:54 pm

2 stops6h 54m

$186

HaileySan Francisco

SUN - SFO

SUNSFO

Hailey Sun Valley-Friedman

Fri 9/25

3:25 pm-11:12 pm

2 stops8h 47m

San Francisco

Mon 9/28

6:05 am-2:45 pm

2 stops7h 40m

$192

Quickest round-trip

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Sat 5/30

6:54 pm-7:43 pm

Nonstop1h 49m

San Francisco

Mon 6/1

3:05 pm-5:43 pm

Nonstop1h 38m

$207

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 6/9

7:05 pm-7:58 pm

Nonstop1h 53m

San Francisco

Wed 6/10

8:59 pm-11:55 pm

Nonstop1h 56m

$211

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 5/27

1:50 pm-4:04 pm

Nonstop2h 14m

San Francisco

Tue 6/9

12:33 pm-2:40 pm

Nonstop2h 07m

$217

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 6/30

10:35 am-11:35 am

Nonstop2h 00m

San Francisco

Tue 7/7

10:15 am-1:08 pm

Nonstop1h 53m

$217

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Mon 6/1

8:50 am-2:35 pm

1 stop6h 45m

San Francisco

Mon 6/1

5:40 pm-1:00 am

1 stop6h 20m

$227

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Thu 7/9

1:25 pm-12:18 am

1 stop11h 53m

San Francisco

Sun 7/12

6:00 am-12:29 pm

1 stop5h 29m

$230

BoiseSan Francisco

BOI - SFO

BOISFO

Boise Air Term. Gowen Fld

Tue 6/9

4:05 pm-10:25 pm

1 stop7h 20m

San Francisco

Wed 6/10

2:55 pm-12:25 am

2 stops8h 30m

$234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $63.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Idaho to San Francisco is on a Thursday when prices can be found for as low as $437. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $791.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Idaho to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $450. Flights in the afternoon are often more expensive with an average ticket price of $661.

What is the cheapest Idaho to San Francisco flight route?

Fly from Boise Air Term. Gowen Fld to San Francisco for the best Idaho - San Francisco flight prices

How far in advance should I book a flight from Idaho to San Francisco?

You are more likely to see cheaper flights to San Francisco from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $267 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Idaho for as low as $205 on momondo.

Can stopping save me money on Idaho to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Idaho to San Francisco.

Cheap Idaho to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to San Francisco

Best Price Found	$139
Fastest flight time	1h 49m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Idaho in the past 72 hours is $139. The best round-trip flight deal from Idaho to San Francisco found on momondo in the last 72 hours is $321.

The fastest flight from Idaho to San Francisco takes 1h 49m

Direct flights go from Idaho to San Francisco every day.

There is 1 airport in San Francisco. From Idaho there are direct flights to San Francisco (SFO).

Search flight deals

Frequently asked questions about flying from Idaho to San Francisco

When did momondo last update prices for flights from Idaho to San Francisco Airport?
Prices for flights from Idaho to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Idaho to San Francisco Airport?
As of May 2026, there are 4 operators available to choose from for flights from Idaho to San Francisco Airport.
How old do you have to be to fly from Idaho to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Idaho to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Idaho to San Francisco is Embraer 175 (Enhanced Winglets), representing 36.25% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 26.38%, Embraer 175 at 15.21%, and Airbus A320-100/200 at 7.61%.

Best airlines flying from Idaho to San Francisco

Compare and see reviews for airlines that fly from Idaho to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $63	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $123	Free Cancellation	Rating 7.4 9,699 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $127	Free Cancellation	Rating 7.9 12,352 reviews	Search Alaska Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Walnut Creek

Bodega Bay

Hayward

Roseville

Santa Clara

Berkeley

Fremont

Vallejo

Big Sur

Sunnyvale

Calistoga

South San Francisco

Salinas

Daly City

Milpitas

Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to San Francisco?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to San Francisco. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Idaho.

I’m not ready to book a flight from Idaho to San Francisco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Idaho to San Francisco from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to San Francisco departing on 6/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Idaho to San Francisco

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How to get the cheapest flight ticket from Idaho to San Francisco

What is the cheapest month to fly to San Francisco?

What is the cheapest day to depart on your flight to San Francisco?

What is the cheapest time of day to depart on your flight to San Francisco?

What is the cheapest Idaho to San Francisco flight route?

How far in advance should I book a flight from Idaho to San Francisco?

Can stopping save me money on Idaho to San Francisco flights?

What is the cheapest airline that flies from Idaho to San Francisco?

What airlines fly to San Francisco?

How many flights depart from Idaho to San Francisco on average per day?

How many flights depart from Idaho to San Francisco on average per week?

How long does it take to fly to San Francisco?

Cheap Idaho to San Francisco flight deals and tips

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Best Price Found

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Frequently asked questions about flying from Idaho to San Francisco

Best airlines flying from Idaho to San Francisco

Compare and see reviews for airlines that fly from Idaho to San Francisco with momondo

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Why use momondo?

An easier way to manage your San Francisco trip

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List of cabin classes available on flights landing in San Francisco. Availability may vary depending on flight origin and airline.

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