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Cheap flights from San Francisco to Idaho Falls from $238

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Idaho Falls departing on 1/22. 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 Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
12:00 pm - 6:18 pmSFO-IDA
5h 18m1 stop
Hawaiian Airlines Logo
6:58 pm - 11:03 pmIDA-SFO
5h 05m1 stop
$238Hawaiian Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Delta Logo
5:45 pm - 10:21 pmSFO-IDA
3h 36m1 stop
Delta Logo
6:25 pm - 11:54 pmIDA-SFO
6h 29m1 stop
$239Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
Alaska Airlines Logo
9:00 am - 6:18 pmSFO-IDA
8h 18m1 stop
Alaska Airlines Logo
6:58 pm - 11:03 pmIDA-SFO
5h 05m1 stop
$240Alaska Airlines
Find Deal
Tue, Jan 20 - Thu, Jan 29
Alaska Airlines Logo
4:46 pm - 10:59 pmSFO-IDA
5h 13m1 stop
Alaska Airlines Logo
6:58 pm - 8:47 amIDA-SFO
14h 49m2 stops
$287Alaska Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Alaska Airlines Logo
7:57 am - 6:18 pmSFO-IDA
9h 21m2 stops
Alaska Airlines Logo
6:58 pm - 11:03 pmIDA-SFO
5h 05m1 stop
$291Alaska Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Delta Logo
5:45 pm - 10:21 pmSFO-IDA
3h 36m1 stop
Delta Logo
6:25 pm - 9:30 amIDA-SFO
16h 05m2 stops
$316Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
Alaska Airlines Logo
11:41 am - 10:59 pmSFO-IDA
10h 18m2 stops
Alaska Airlines Logo
9:00 am - 7:12 pmIDA-SFO
11h 12m2 stops
$389Alaska Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Delta Logo
6:00 am - 5:51 pmSFO-IDA
10h 51m2 stops
Delta Logo
6:35 pm - 1:43 pmIDA-SFO
20h 08m2 stops
$430Delta
Find Deal
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
2:29 pm - 10:59 pmSFO-IDA
7h 30m1 stop
United Airlines Logo
5:00 am - 9:43 amIDA-SFO
5h 43m1 stop
$565United Airlines
Find Deal
Wed, Dec 24 - Mon, Dec 29
Delta Logo
5:07 pm - 10:21 pmSFO-IDA
4h 14m1 stop
Delta Logo
6:57 pm - 11:01 pmIDA-SFO
5h 04m1 stop
$598Delta
Find Deal
Tue, Dec 16 - Sat, Dec 20

Alaska Airlines flights from San Francisco to Idaho Falls

Our best Alaska Airlines deals on San Francisco to Idaho Falls flight tickets
Alaska Airlines
Jan 20
SFO9:00 amSan Francisco
8h 18m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
Jan 29
IDA6:58 pmIdaho Falls Fanning Field
5h 05m
1 stop
SFO11:03 pmSan Francisco
$240
Find similar
Alaska Airlines
Mar 7
SFO6:30 amSan Francisco
9h 13m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
Mar 10
IDA8:00 amIdaho Falls Fanning Field
7h 02m
1 stop
SFO2:02 pmSan Francisco
$275
Find similar
Alaska Airlines
Mar 9
SFO4:21 pmSan Francisco
6h 15m
1 stop
IDA11:36 pmIdaho Falls Fanning Field
Mar 10
IDA5:20 pmIdaho Falls Fanning Field
5h 35m
1 stop
SFO9:55 pmSan Francisco
$278
Find similar

United Airlines flights from San Francisco to Idaho Falls

Our best United Airlines deals on San Francisco to Idaho Falls flight tickets
United Airlines
Dec 24
SFO2:29 pmSan Francisco
7h 30m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
Dec 29
IDA5:00 amIdaho Falls Fanning Field
5h 43m
1 stop
SFO9:43 amSan Francisco
$565
Find similar
United Airlines
Dec 16
SFO6:30 amSan Francisco
6h 05m
1 stop
IDA1:35 pmIdaho Falls Fanning Field
Dec 20
IDA4:05 pmIdaho Falls Fanning Field
8h 00m
1 stop
SFO11:05 pmSan Francisco
$605
Find similar
United Airlines
Dec 5
SFO6:30 amSan Francisco
7h 54m
1 stop
IDA3:24 pmIdaho Falls Fanning Field
Dec 7
IDA2:45 pmIdaho Falls Fanning Field
17h 39m
2 stops
SFO7:24 amSan Francisco
$834
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Idaho Falls 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 December 2, 2025.
Use the filters below to find and compare flights from San Francisco to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 1/22

12:00 pm-6:18 pm

1 stop5h 18m

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-11:03 pm

1 stop5h 05m

$238

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sat 2/21

5:45 pm-10:21 pm

1 stop3h 36m

Idaho Falls Fanning Field

Wed 2/25

6:25 pm-11:54 pm

1 stop6h 29m

$239

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Tue 1/20

9:00 am-6:18 pm

1 stop8h 18m

Idaho Falls Fanning Field

Thu 1/29

6:58 pm-11:03 pm

1 stop5h 05m

$240

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 1/22

4:46 pm-10:59 pm

1 stop5h 13m

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-8:47 am

2 stops14h 49m

$287

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 1/22

7:57 am-6:18 pm

2 stops9h 21m

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-11:03 pm

1 stop5h 05m

$291

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sat 2/21

5:45 pm-10:21 pm

1 stop3h 36m

Idaho Falls Fanning Field

Wed 2/25

6:25 pm-9:30 am

2 stops16h 05m

$316

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 1/22

11:41 am-10:59 pm

2 stops10h 18m

Idaho Falls Fanning Field

Mon 1/26

9:00 am-7:12 pm

2 stops11h 12m

$389

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 1/22

6:00 am-5:51 pm

2 stops10h 51m

Idaho Falls Fanning Field

Mon 1/26

6:35 pm-1:43 pm

2 stops20h 08m

$430

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 12/24

2:29 pm-10:59 pm

1 stop7h 30m

Idaho Falls Fanning Field

Mon 12/29

5:00 am-9:43 am

1 stop5h 43m

$565

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Tue 12/16

5:07 pm-10:21 pm

1 stop4h 14m

Idaho Falls Fanning Field

Sat 12/20

6:57 pm-11:01 pm

1 stop5h 04m

$598

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

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

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 Falls?

If you aren’t able to travel to Idaho Falls during the month of June, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $309.

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

Our data shows that Saturday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $382. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $572.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is in the morning. Flights from San Francisco to Idaho Falls during this time can be as low as $460. Try not to purchase tickets at noon because they tend to be around $537. Of course, these prices can vary depending on the time of year and what airport you fly to.

How have San Francisco to Idaho Falls flight prices changed over time?

When to book flights from San Francisco to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Idaho Falls (SFO to IDA) flight deals and tips

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

Fastest flight time

4h 14m

Direct flights

None
The fastest flight from San Francisco to Idaho Falls takes 4h 14m
There are no direct flights from San Francisco to Idaho Falls. There are no popular flight routes from San Francisco to Idaho Falls.
Search flight deals

  • How far is San Francisco to Idaho Falls Fanning Field by plane?

    The distance between San Francisco and Idaho Falls Fanning Field is about 669.5 mi. 3h 36m is a normal flight duration for this route.

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

    Prices for flights from San Francisco Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from San Francisco Airport to Idaho Falls Fanning Field 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 San Francisco Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents required for your trip to Idaho Falls Fanning Field 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 Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Francisco to Idaho Falls?

Best airlines flying from San Francisco to Idaho Falls

Compare and see reviews for airlines that fly from San Francisco to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $244Free CancellationRating
8.0
11,386 reviews
Search Alaska Airlines flights
DeltaPriceFrom $244Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $309Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

It is quick and easy to find San Francisco to Idaho Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho Falls that suits you.

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

momondo does allow users to show only those flights to Idaho Falls from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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

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 Idaho Falls from San Francisco.

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

Yes momondo offers price alerts on flights to Idaho Falls 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.

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