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

Alaska Airlines is the most popular carrier operating from San Francisco to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Idaho Falls from San Francisco according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 6 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

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?

As of October 2025, there are 3 operators available to choose from 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.

$111 Cheap Flights from San Francisco to Idaho Falls in 2025/26

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Cheap round-trip flights

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9:00 am - 4:27 pmSFO-IDA

6h 27m1 stop

5:07 pm - 10:45 pmIDA-SFO

6h 38m1 stop

$240Alaska Airlines

Find Deal

Thu, Dec 4 - Tue, Dec 9

12:22 pm - 11:59 pmSFO-IDA

10h 37m1 stop

5:07 pm - 7:29 amIDA-SFO

15h 22m2 stops

$284Alaska Airlines

Find Deal

Thu, Dec 4 - Tue, Dec 9

5:30 am - 12:33 pmSFO-IDA

6h 03m1 stop

1:15 pm - 3:59 pmIDA-SFO

3h 44m1 stop

$396Delta

Find Deal

Sun, Oct 26 - Wed, Oct 29

8:06 am - 5:57 pmSFO-IDA

8h 51m1 stop

6:57 pm - 7:51 amIDA-SFO

13h 54m1 stop

$447Multiple Airlines

Find Deal

Wed, Nov 26 - Fri, Nov 28

6:00 am - 12:35 pmSFO-IDA

5h 35m1 stop

1:15 pm - 6:33 pmIDA-SFO

6h 18m1 stop

$509Delta

Find Deal

Wed, Nov 26 - Thu, Nov 27

4:28 pm - 10:52 pmSFO-IDA

5h 24m1 stop

5:00 am - 7:44 amIDA-SFO

27h 44m2 stops

$548United Airlines

Find Deal

Wed, Nov 26 - Thu, Nov 27

8:36 am - 10:01 pmSFO-IDA

12h 25m1 stop

6:57 pm - 8:08 amIDA-SFO

14h 11m2 stops

$581Multiple Airlines

Find Deal

Wed, Nov 26 - Fri, Nov 28

4:28 pm - 10:52 pmSFO-IDA

5h 24m1 stop

5:00 am - 9:35 amIDA-SFO

5h 35m1 stop

$869United Airlines

Find Deal

Wed, Nov 26 - Sun, Nov 30

11:15 am - 10:34 pmSFO-IDA

10h 19m2 stops

7:10 am - 3:48 pmIDA-SFO

9h 38m2 stops

$954American Airlines

Find Deal

Wed, Nov 26 - Thu, Nov 27

11:20 am - 10:21 pmSFO-IDA

10h 01m2 stops

7:00 am - 3:36 pmIDA-SFO

9h 36m2 stops

$1,139American Airlines

Find Deal

Sat, Dec 27 - Wed, Dec 31

Alaska Airlines flights from San Francisco to Idaho Falls

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

Alaska Airlines

Dec 4

SFO9:00 amSan Francisco

6h 27m

1 stop

IDA4:27 pmIdaho Falls Fanning Field

Dec 9

IDA5:07 pmIdaho Falls Fanning Field

6h 38m

1 stop

SFO10:45 pmSan Francisco

$240

Find similar

Alaska Airlines

Dec 4

SFO12:22 pmSan Francisco

10h 37m

1 stop

IDA11:59 pmIdaho Falls Fanning Field

Dec 9

IDA5:07 pmIdaho Falls Fanning Field

15h 22m

2 stops

SFO7:29 amSan Francisco

$284

Find similar

Alaska Airlines

Oct 29

SFO2:46 pmSan Francisco

8h 13m

1 stop

IDA11:59 pmIdaho Falls Fanning Field

Nov 2

IDA5:05 amIdaho Falls Fanning Field

5h 39m

1 stop

SFO9:44 amSan Francisco

$329

Find similar

Delta flights from San Francisco to Idaho Falls

Our best Delta deals on San Francisco to Idaho Falls flight tickets

Delta

Oct 26

SFO5:30 amSan Francisco

6h 03m

1 stop

IDA12:33 pmIdaho Falls Fanning Field

Oct 29

IDA1:15 pmIdaho Falls Fanning Field

3h 44m

1 stop

SFO3:59 pmSan Francisco

$396

Find similar

Delta

Nov 26

SFO6:00 amSan Francisco

5h 35m

1 stop

IDA12:35 pmIdaho Falls Fanning Field

Nov 27

IDA1:15 pmIdaho Falls Fanning Field

6h 18m

1 stop

SFO6:33 pmSan Francisco

$509

Find similar

Delta

Oct 24

SFO1:25 pmSan Francisco

3h 48m

1 stop

IDA6:13 pmIdaho Falls Fanning Field

Oct 28

IDA1:15 pmIdaho Falls Fanning Field

3h 43m

1 stop

SFO3:58 pmSan Francisco

$575

Find similar

momondo Fare Finder

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 12/4

9:00 am-4:27 pm

1 stop6h 27m

Idaho Falls Fanning Field

Tue 12/9

5:07 pm-10:45 pm

1 stop6h 38m

$240

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 12/4

12:22 pm-11:59 pm

1 stop10h 37m

Idaho Falls Fanning Field

Tue 12/9

5:07 pm-7:29 am

2 stops15h 22m

$284

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sun 10/26

5:30 am-12:33 pm

1 stop6h 03m

Idaho Falls Fanning Field

Wed 10/29

1:15 pm-3:59 pm

1 stop3h 44m

$396

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 11/26

8:06 am-5:57 pm

1 stop8h 51m

Idaho Falls Fanning Field

Fri 11/28

6:57 pm-7:51 am

1 stop13h 54m

$447

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 11/26

6:00 am-12:35 pm

1 stop5h 35m

Idaho Falls Fanning Field

Thu 11/27

1:15 pm-6:33 pm

1 stop6h 18m

$509

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 11/26

4:28 pm-10:52 pm

1 stop5h 24m

Idaho Falls Fanning Field

Thu 11/27

5:00 am-7:44 am

2 stops27h 44m

$548

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 11/26

8:36 am-10:01 pm

1 stop12h 25m

Idaho Falls Fanning Field

Fri 11/28

6:57 pm-8:08 am

2 stops14h 11m

$581

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 11/26

4:28 pm-10:52 pm

1 stop5h 24m

Idaho Falls Fanning Field

Sun 11/30

5:00 am-9:35 am

1 stop5h 35m

$869

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 11/26

11:15 am-10:34 pm

2 stops10h 19m

Idaho Falls Fanning Field

Thu 11/27

7:10 am-3:48 pm

2 stops9h 38m

$954

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sat 12/27

11:20 am-10:21 pm

2 stops10h 01m

Idaho Falls Fanning Field

Wed 12/31

7:00 am-3:36 pm

2 stops9h 36m

$1,139

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $343.

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. 3h 48m 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?
As of October 2025, there are 3 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from San Francisco to Idaho Falls is Delta, representing 45% of all bookings. The subsequent popular airlines are Alaska Airlines at 36% and United Airlines at 20%.

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 Airlines	PriceFrom $244	Free Cancellation	Rating 8.0 11,079 reviews	Search Alaska Airlines flights
Delta	PriceFrom $244	Free Cancellation	Rating 7.9 7,975 reviews	Search Delta flights
United Airlines	PriceFrom $309	Free Cancellation	Rating 7.4 8,976 reviews	Search United Airlines flights

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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.

An easier way to manage your Idaho Falls trip

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Cheap flights from San Francisco to Idaho Falls from $135

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 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from San Francisco to Idaho Falls

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Alaska Airlines flights from San Francisco to Idaho Falls

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

Delta flights from San Francisco to Idaho Falls

Our best Delta deals on San Francisco to Idaho Falls flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Idaho Falls that are best for you.

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 $343.

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

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

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

Alaska Airlines is the most popular carrier operating from San Francisco to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

When to book flights from San Francisco to Idaho Falls

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

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

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

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?

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

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

Traveling to a place near Idaho Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Idaho Falls 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho