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Cheap flights from San Francisco to Idaho Falls from $106

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 Falls departing on 9/15. 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

Logo
10:37 pm - 4:05 pmSFO-IDA
16h 28m1 stop
Logo
9:39 pm - 9:21 pmIDA-SFO
24h 42m1 stop
$182
Find Deal
jue., sep. 4 - lun., sep. 8
Logo
10:37 pm - 4:05 pmSFO-IDA
16h 28m1 stop
Logo
9:39 pm - 9:21 pmIDA-SFO
24h 42m1 stop
$211
Find Deal
jue., sep. 25 - lun., sep. 29
Alaska Airlines Logo
4:39 pm - 11:59 pmSFO-IDA
6h 20m1 stop
Alaska Airlines Logo
3:50 pm - 10:41 pmIDA-SFO
7h 51m1 stop
$240Alaska Airlines
Find Deal
mié., oct. 29 - lun., nov. 3
Logo
10:37 pm - 4:05 pmSFO-IDA
16h 28m1 stop
Logo
10:55 pm - 1:15 pmIDA-SFO
15h 20m1 stop
$246
Find Deal
jue., sep. 25 - vie., sep. 26
Alaska Airlines Logo
7:00 am - 11:59 pmSFO-IDA
15h 59m2 stops
Alaska Airlines Logo
3:50 pm - 10:41 pmIDA-SFO
7h 51m1 stop
$269Alaska Airlines
Find Deal
mié., oct. 29 - lun., nov. 3
Delta Logo
4:54 pm - 10:15 pmSFO-IDA
4h 21m1 stop
Delta Logo
6:53 pm - 11:43 pmIDA-SFO
5h 50m1 stop
$291Delta
Find Deal
mar., oct. 7 - mar., oct. 14
Delta Logo
5:35 am - 10:39 amSFO-IDA
4h 04m1 stop
Delta Logo
6:52 pm - 10:51 pmIDA-SFO
4h 59m1 stop
$301Delta
Find Deal
mar., sep. 2 - vie., sep. 5
Delta Logo
4:55 pm - 10:25 pmSFO-IDA
4h 30m1 stop
Delta Logo
6:00 am - 8:46 amIDA-SFO
3h 46m1 stop
$308Delta
Find Deal
mié., sep. 24 - dom., sep. 28
United Airlines Logo
8:52 pm - 5:15 pmSFO-IDA
19h 23m1 stop
United Airlines Logo
5:56 pm - 11:10 pmIDA-SFO
6h 14m1 stop
$527United Airlines
Find Deal
mié., sep. 10 - lun., sep. 15
United Airlines Logo
8:35 am - 10:48 pmSFO-IDA
13h 13m2 stops
United Airlines Logo
4:15 pm - 9:03 pmIDA-SFO
5h 48m1 stop
$528United Airlines
Find Deal
mié., sep. 10 - lun., sep. 15

United Airlines flights from San Francisco to Idaho Falls

Our best United Airlines deals on San Francisco to Idaho Falls flight tickets
United Airlines
Sep 10
SFO8:52 pmSan Francisco
19h 23m
1 stop
IDA5:15 pmIdaho Falls Fanning Field
Sep 15
IDA5:56 pmIdaho Falls Fanning Field
6h 14m
1 stop
SFO11:10 pmSan Francisco
$527
Find similar
United Airlines
Sep 10
SFO8:35 amSan Francisco
13h 13m
2 stops
IDA10:48 pmIdaho Falls Fanning Field
Sep 15
IDA4:15 pmIdaho Falls Fanning Field
5h 48m
1 stop
SFO9:03 pmSan Francisco
$528
Find similar
United Airlines
Sep 3
SFO8:35 amSan Francisco
13h 13m
2 stops
IDA10:48 pmIdaho Falls Fanning Field
Sep 6
IDA5:00 amIdaho Falls Fanning Field
7h 51m
1 stop
SFO11:51 amSan Francisco
$538
Find similar

Delta flights from San Francisco to Idaho Falls

Our best Delta deals on San Francisco to Idaho Falls flight tickets
Delta
Oct 7
SFO4:54 pmSan Francisco
4h 21m
1 stop
IDA10:15 pmIdaho Falls Fanning Field
Oct 14
IDA6:53 pmIdaho Falls Fanning Field
5h 50m
1 stop
SFO11:43 pmSan Francisco
$291
Find similar
Delta
Sep 2
SFO5:35 amSan Francisco
4h 04m
1 stop
IDA10:39 amIdaho Falls Fanning Field
Sep 5
IDA6:52 pmIdaho Falls Fanning Field
4h 59m
1 stop
SFO10:51 pmSan Francisco
$301
Find similar
Delta
Sep 24
SFO4:55 pmSan Francisco
4h 30m
1 stop
IDA10:25 pmIdaho Falls Fanning Field
Sep 28
IDA6:00 amIdaho Falls Fanning Field
3h 46m
1 stop
SFO8:46 amSan Francisco
$308
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 agosto 21, 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

jue. 9/4

10:37 pm-4:05 pm

1 stop16h 28m

Idaho Falls Fanning Field

lun. 9/8

9:39 pm-9:21 pm

1 stop24h 42m

$182

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

jue. 9/25

10:37 pm-4:05 pm

1 stop16h 28m

Idaho Falls Fanning Field

lun. 9/29

9:39 pm-9:21 pm

1 stop24h 42m

$211

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

mié. 10/29

4:39 pm-11:59 pm

1 stop6h 20m

Idaho Falls Fanning Field

lun. 11/3

3:50 pm-10:41 pm

1 stop7h 51m

$240

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

jue. 9/25

10:37 pm-4:05 pm

1 stop16h 28m

Idaho Falls Fanning Field

vie. 9/26

10:55 pm-1:15 pm

1 stop15h 20m

$246

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

mié. 10/29

7:00 am-11:59 pm

2 stops15h 59m

Idaho Falls Fanning Field

lun. 11/3

3:50 pm-10:41 pm

1 stop7h 51m

$269

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

mar. 10/7

4:54 pm-10:15 pm

1 stop4h 21m

Idaho Falls Fanning Field

mar. 10/14

6:53 pm-11:43 pm

1 stop5h 50m

$291

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

mar. 9/2

5:35 am-10:39 am

1 stop4h 04m

Idaho Falls Fanning Field

vie. 9/5

6:52 pm-10:51 pm

1 stop4h 59m

$301

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

mié. 9/24

4:55 pm-10:25 pm

1 stop4h 30m

Idaho Falls Fanning Field

dom. 9/28

6:00 am-8:46 am

1 stop3h 46m

$308

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

mié. 9/10

8:52 pm-5:15 pm

1 stop19h 23m

Idaho Falls Fanning Field

lun. 9/15

5:56 pm-11:10 pm

1 stop6h 14m

$527

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

mié. 9/10

8:35 am-10:48 pm

2 stops13h 13m

Idaho Falls Fanning Field

lun. 9/15

4:15 pm-9:03 pm

1 stop5h 48m

$528

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 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 August is also cheap. Prices for this month can be found on momondo for an average of $344.

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.

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

Direct flights

None
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. 4h 04m 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
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $245Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $387Free CancellationRating
7.4
8,930 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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