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Cheap flights from San Francisco to Idaho from $72

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 7/4. 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.
United Airlines Logo
9:25 pm - 11:46 pm
SFO
-
GEG
2h 21mnonstop
United Airlines Logo
6:00 am - 8:21 am
GEG
-
SFO
2h 21mnonstop
$153United Airlines
Sat, Jul 11 - Sat, Jul 18
United Airlines Logo
6:54 pm - 9:03 pm
SFO
-
GEG
2h 09mnonstop
United Airlines Logo
6:00 am - 8:22 am
GEG
-
SFO
2h 22mnonstop
$155United Airlines
Tue, Mar 10 - Sat, Mar 14
Alaska Airlines Logo
7:31 pm - 10:15 pm
SFO
-
BOI
1h 44mnonstop
Alaska Airlines Logo
1:25 pm - 2:26 pm
BOI
-
SFO
2h 01mnonstop
$157Alaska Airlines
Tue, Feb 24 - Thu, Feb 26
Alaska Airlines Logo
6:30 am - 3:08 pm
SFO
-
BOI
7h 38m
1 stop
Alaska Airlines Logo
1:25 pm - 2:26 pm
BOI
-
SFO
2h 01mnonstop
$167Alaska Airlines
Tue, Feb 24 - Thu, Feb 26
Delta Logo
5:05 pm - 11:05 pm
SFO
-
BOI
5h 00m
1 stop
Delta Logo
6:15 pm - 11:59 pm
BOI
-
SFO
6h 44m
1 stop
$177Delta
Tue, Mar 3 - Tue, Mar 10
Southwest Logo
5:25 am - 5:00 pm
SFO
-
BOI
10h 35m
1 stop
Southwest Logo
2:15 pm - 6:25 pm
BOI
-
SFO
5h 10m
1 stop
$182Southwest
Thu, Apr 30 - Mon, May 4
Southwest Logo
5:25 am - 5:00 pm
SFO
-
BOI
10h 35m
1 stop
Southwest Logo
3:25 pm - 12:50 am
BOI
-
SFO
10h 25m
1 stop
$188Southwest
Thu, Apr 16 - Sun, Apr 19
Delta Logo
4:47 pm - 9:05 pm
SFO
-
GEG
4h 18m
1 stop
Delta Logo
7:45 pm - 12:07 am
GEG
-
SFO
4h 22m
1 stop
$192Delta
Tue, Mar 10 - Sat, Mar 21
Multiple Airlines Logo
7:31 pm - 10:15 pm
SFO
-
BOI
1h 44mnonstop
Multiple Airlines Logo
12:15 pm - 12:28 am
BOI
-
SFO
13h 13m
1 stop
$193Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
2:01 pm - 3:27 pm
SFO
-
IDA
24h 26m
1 stop
Multiple Airlines Logo
10:21 pm - 4:52 pm
IDA
-
SFO
19h 31m
1 stop
$236Multiple Airlines
Thu, Apr 23 - Mon, Apr 27

Southwest flights from San Francisco to Idaho

Our best Southwest deals on San Francisco to Idaho flight tickets
Southwest
Apr 30
SFO5:25 amSan Francisco
10h 35m
1 stop
BOI5:00 pmBoise Air Term. Gowen Fld
May 4
BOI2:15 pmBoise Air Term. Gowen Fld
5h 10m
1 stop
SFO6:25 pmSan Francisco
$182
Southwest
Apr 16
SFO5:25 amSan Francisco
10h 35m
1 stop
BOI5:00 pmBoise Air Term. Gowen Fld
Apr 19
BOI3:25 pmBoise Air Term. Gowen Fld
10h 25m
1 stop
SFO12:50 amSan Francisco
$188
Southwest
Mar 3
SFO2:10 pmSan Francisco
7h 05m
2 stops
BOI10:15 pmBoise Air Term. Gowen Fld
Mar 10
BOI6:40 amBoise Air Term. Gowen Fld
7h 20m
2 stops
SFO1:00 pmSan Francisco
$233

United Airlines flights from San Francisco to Idaho

Our best United Airlines deals on San Francisco to Idaho flight tickets
United Airlines
Jul 11
SFO9:25 pmSan Francisco
2h 21m
GEG11:46 pmSpokane
Jul 18
GEG6:00 amSpokane
2h 21m
SFO8:21 amSan Francisco
$153
United Airlines
Mar 10
SFO6:54 pmSan Francisco
2h 09m
GEG9:03 pmSpokane
Mar 14
GEG6:00 amSpokane
2h 22m
SFO8:22 amSan Francisco
$155
United Airlines
Mar 10
SFO9:25 amSan Francisco
2h 18m
GEG11:43 amSpokane
Mar 17
GEG7:02 amSpokane
2h 28m
SFO9:30 amSan Francisco
$167

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 February 3, 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

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Sat 7/11

9:25 pm-11:46 pm

Nonstop2h 21m

Spokane

Sat 7/18

6:00 am-8:21 am

Nonstop2h 21m

$153

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Tue 3/10

6:54 pm-9:03 pm

Nonstop2h 09m

Spokane

Sat 3/14

6:00 am-8:22 am

Nonstop2h 22m

$155

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 2/24

7:31 pm-10:15 pm

Nonstop1h 44m

Boise Air Term. Gowen Fld

Thu 2/26

1:25 pm-2:26 pm

Nonstop2h 01m

$157

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 2/24

6:30 am-3:08 pm

1 stop7h 38m

Boise Air Term. Gowen Fld

Thu 2/26

1:25 pm-2:26 pm

Nonstop2h 01m

$167

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 3/3

5:05 pm-11:05 pm

1 stop5h 00m

Boise Air Term. Gowen Fld

Tue 3/10

6:15 pm-11:59 pm

1 stop6h 44m

$177

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 4/30

5:25 am-5:00 pm

1 stop10h 35m

Boise Air Term. Gowen Fld

Mon 5/4

2:15 pm-6:25 pm

1 stop5h 10m

$182

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 4/16

5:25 am-5:00 pm

1 stop10h 35m

Boise Air Term. Gowen Fld

Sun 4/19

3:25 pm-12:50 am

1 stop10h 25m

$188

San FranciscoSpokane

SFO - GEG

SFOGEG

San Francisco

Tue 3/10

4:47 pm-9:05 pm

1 stop4h 18m

Spokane

Sat 3/21

7:45 pm-12:07 am

1 stop4h 22m

$192

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 3/12

7:31 pm-10:15 pm

Nonstop1h 44m

Boise Air Term. Gowen Fld

Thu 3/19

12:15 pm-12:28 am

1 stop13h 13m

$193

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 4/23

2:01 pm-3:27 pm

1 stop24h 26m

Idaho Falls Fanning Field

Mon 4/27

10:21 pm-4:52 pm

1 stop19h 31m

$236

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, April 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 $197. If you don’t want to visit Idaho in April, then you should wait until November to fly from San Francisco, when ticket prices are also cheap, with an average price of $227.

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

Our data shows that Tuesday 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 $298.

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 $259. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $299 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 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 $265 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 $195 on momondo.

What cabin class options are available on San Francisco to Idaho flights?

There are 4 cabin classes available to choose from on San Francisco to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 36% 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

$208

Fastest flight time

1h 44m

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 $208. The best round-trip flight deal from San Francisco to Idaho found on momondo in the last 72 hours is $217.
The fastest flight from San Francisco to Idaho takes 1h 44m
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

  • 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 $68Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $98Free CancellationRating
7.9
8,138 reviews
Search Delta flights
United AirlinesPriceFrom $132Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $151Free CancellationRating
8.0
11,833 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

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Find better results for your trip to Idaho

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