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Cheap flights from San Francisco to Idaho from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Idaho departing on 5/27. 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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0 bags

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Find the cheapest flights from San Francisco to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 12:29 pm
SFO
-
BOI
5h 29m
1 stop
Frontier Logo
1:25 pm - 12:18 am
BOI
-
SFO
11h 53m
1 stop
$190Frontier
Tue, Jul 14 - Tue, Jul 21
Alaska Airlines Logo
7:25 pm - 10:07 pm
SFO
-
BOI
1h 42mnonstop
Alaska Airlines Logo
10:52 am - 11:49 am
BOI
-
SFO
1h 57mnonstop
$197Alaska Airlines
Wed, Jun 10 - Wed, Jun 24
Multiple Airlines Logo
7:25 pm - 10:07 pm
SFO
-
BOI
1h 42mnonstop
Multiple Airlines Logo
1:25 pm - 12:27 am
BOI
-
SFO
12h 02m
1 stop
$204Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
Multiple Airlines Logo
3:05 pm - 5:43 pm
SFO
-
BOI
1h 38mnonstop
Multiple Airlines Logo
1:25 pm - 12:27 am
BOI
-
SFO
12h 02m
1 stop
$209Multiple Airlines
Tue, Jun 2 - Tue, Jun 9
Southwest Logo
5:50 am - 1:25 pm
SFO
-
BOI
6h 35m
1 stop
Southwest Logo
4:20 pm - 11:25 pm
BOI
-
SFO
8h 05m
1 stop
$217Southwest
Wed, Jun 10 - Tue, Jun 16
Southwest Logo
6:15 am - 1:45 pm
SFO
-
GEG
7h 30m
1 stop
Southwest Logo
5:00 am - 9:35 am
GEG
-
SFO
4h 35m
1 stop
$232Southwest
Sat, May 30 - Sat, Jun 6
Delta Logo
10:29 am - 4:57 pm
SFO
-
GEG
6h 28m
1 stop
Delta Logo
7:23 pm - 12:03 am
GEG
-
SFO
4h 40m
1 stop
$237Delta
Wed, May 27 - Wed, Jun 3
Delta Logo
5:40 am - 12:25 pm
SFO
-
WYS
5h 45m
1 stop
Delta Logo
11:15 am - 4:02 pm
WYS
-
SFO
5h 47m
1 stop
$294Delta
Sun, May 24 - Sat, May 30
United Airlines Logo
6:10 pm - 9:30 pm
SFO
-
JAC
2h 20mnonstop
United Airlines Logo
8:00 am - 9:26 am
JAC
-
SFO
2h 26mnonstop
$317United Airlines
Sat, May 23 - Thu, May 28
United Airlines Logo
6:10 pm - 9:30 pm
SFO
-
JAC
2h 20mnonstop
United Airlines Logo
8:00 am - 12:30 pm
JAC
-
SFO
5h 30m
1 stop
$327United Airlines
Sat, May 23 - Thu, May 28

Frontier flights from San Francisco to Idaho

Our best Frontier deals on San Francisco to Idaho flight tickets
Frontier
Jul 14
SFO6:00 amSan Francisco
5h 29m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Jul 21
BOI1:25 pmBoise Air Term. Gowen Fld
11h 53m
1 stop
SFO12:18 amSan Francisco
$190
Frontier
Jul 14
SFO6:00 amSan Francisco
5h 29m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
Jul 23
BOI1:25 pmBoise Air Term. Gowen Fld
8h 29m
1 stop
SFO8:54 pmSan Francisco
$210
Frontier
May 27
SFO12:52 pmSan Francisco
22h 38m
1 stop
BOI12:30 pmBoise Air Term. Gowen Fld
May 31
BOI1:25 pmBoise Air Term. Gowen Fld
19h 36m
1 stop
SFO8:01 amSan Francisco
$215

Southwest flights from San Francisco to Idaho

Our best Southwest deals on San Francisco to Idaho flight tickets
Southwest
Jun 2
SFO2:50 pmSan Francisco
7h 40m
1 stop
BOI11:30 pmBoise Air Term. Gowen Fld
Jun 9
BOI3:00 pmBoise Air Term. Gowen Fld
4h 40m
1 stop
SFO6:40 pmSan Francisco
$217
Southwest
Jun 10
SFO5:50 amSan Francisco
6h 35m
1 stop
BOI1:25 pmBoise Air Term. Gowen Fld
Jun 23
BOI6:30 amBoise Air Term. Gowen Fld
9h 05m
2 stops
SFO2:35 pmSan Francisco
$228
Southwest
May 30
SFO6:15 amSan Francisco
7h 30m
1 stop
GEG1:45 pmSpokane
Jun 6
GEG5:00 amSpokane
4h 35m
1 stop
SFO9:35 amSan Francisco
$232

momondo 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, momondo users made 832,500 searches. Data last updated May 5, 2026.
Use the filters below to find and compare flights from San Francisco to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 7/14

6:00 am-12:29 pm

1 stop5h 29m

Boise Air Term. Gowen Fld

Tue 7/21

1:25 pm-12:18 am

1 stop11h 53m

$190
Quickest round-trip

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Wed 6/10

7:25 pm-10:07 pm

Nonstop1h 42m

Boise Air Term. Gowen Fld

Wed 6/24

10:52 am-11:49 am

Nonstop1h 57m

$197

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 6/16

7:25 pm-10:07 pm

Nonstop1h 42m

Boise Air Term. Gowen Fld

Tue 6/23

1:25 pm-12:27 am

1 stop12h 02m

$204

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 6/2

3:05 pm-5:43 pm

Nonstop1h 38m

Boise Air Term. Gowen Fld

Tue 6/9

1:25 pm-12:27 am

1 stop12h 02m

$209

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Wed 6/10

5:50 am-1:25 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Tue 6/16

4:20 pm-11:25 pm

1 stop8h 05m

$217

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Sat 5/30

6:15 am-1:45 pm

1 stop7h 30m

Spokane

Sat 6/6

5:00 am-9:35 am

1 stop4h 35m

$232

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Wed 5/27

10:29 am-4:57 pm

1 stop6h 28m

Spokane

Wed 6/3

7:23 pm-12:03 am

1 stop4h 40m

$237

San FranciscoWest Yellowstone

SFO - WYS

SFOWYS

San Francisco

Sun 5/24

5:40 am-12:25 pm

1 stop5h 45m

West Yellowstone

Sat 5/30

11:15 am-4:02 pm

1 stop5h 47m

$294

San FranciscoJackson

SFO - JAC

SFOJAC

San Francisco

Sat 5/23

6:10 pm-9:30 pm

Nonstop2h 20m

Jackson Hole

Thu 5/28

8:00 am-9:26 am

Nonstop2h 26m

$317

San FranciscoJackson

SFO - JAC

SFOJAC

San Francisco

Sat 5/23

6:10 pm-9:30 pm

Nonstop2h 20m

Jackson Hole

Thu 5/28

8:00 am-12:30 pm

1 stop5h 30m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

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

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

What is the cheapest month to fly to Idaho?

In general, August is the cheapest month to fly from San Francisco to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $44. If you don’t want to visit Idaho in August, then you should wait until June to fly from San Francisco, when ticket prices are also cheap, with an average price of $68.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $232. On the other hand, Monday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $346.

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

According to our data, the cheapest time of day to fly to Idaho is in the morning. momondo users have found flights departing from San Francisco to Idaho in the morning for as low as $285. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $292 per ticket.

What is the cheapest San Francisco to Idaho flight route?

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

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

You are more likely to see cheaper flights to Idaho from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $276 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from San Francisco for as low as $194 on momondo.

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

You could potentially save up to 20% on your flight if you consider stops on a San Francisco to Idaho flight.

Cheap San Francisco to Idaho flight deals and tips

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

Best Price Found

$118

Fastest flight time

1h 34m

Direct flights

Every day

Airports in Idaho

27 airports
The best one-way flight to Idaho from San Francisco in the past 72 hours is $118. The best round-trip flight deal from San Francisco to Idaho found on momondo in the last 72 hours is $277.
The fastest flight from San Francisco to Idaho takes 1h 34m
Direct flights go from San Francisco to Idaho every day.
There are 27 airports in Idaho. From San Francisco there are direct flights to Boise Air Term. Gowen Fld (BOI), Hailey Sun Valley-Friedman (SUN).
Search flight deals

Frequently asked questions about flying from San Francisco to Idaho

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

    Prices for flights from San Francisco Airport to Idaho were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to Idaho?

Best airlines flying from San Francisco to Idaho

Compare and see reviews for airlines that fly from San Francisco to Idaho with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $129Free CancellationRating
7.4
9,684 reviews
Search United Airlines flights
DeltaPriceFrom $134Free CancellationRating
7.9
8,459 reviews
Search Delta flights
Alaska AirlinesPriceFrom $137Free CancellationRating
7.9
12,332 reviews
Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Idaho from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Idaho.

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

Yes momondo offers price alerts on flights to Idaho from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Idaho

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Popular flights according to clicks in the last 7 days on momondo
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