Cheap flights from San Francisco to Idaho Falls from $124
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 8/15. 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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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 January is also cheap. Prices for this month can be found on momondo for an average of $383.
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 airline that flies from San Francisco to Idaho Falls Fanning Field?
Delta, Alaska Airlines, and United Airlines are the most popular carriers 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 44% 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 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
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 59m 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 June 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 50% of all bookings. The subsequent popular airlines are Alaska Airlines at 33% and United Airlines at 17%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $244 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $245 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $387 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsWhy 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.