Cheap flights from San Antonio to Idaho Falls from $286
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 Antonio to Idaho Falls departing on 7/31. 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 Antonio 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $431.
What is the cheapest day to depart on your flight to Idaho Falls?
Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $387. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday is $647.
When to book flights from San Antonio to Idaho Falls
Cheap San Antonio to Idaho Falls (SAT to IDA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Antonio to Idaho Falls
How far is San Antonio to Idaho Falls Fanning Field by plane?
Idaho Falls Fanning Field is 1223.6 mi away from San Antonio. A reasonable flight in good conditions will take 5h 52m.
When did momondo last update prices for flights from San Antonio Airport to Idaho Falls Fanning Field Airport?
Prices for flights from San Antonio Airport to Idaho Falls Fanning Field Airport refresh daily.
How many operators does momondo search for flights from San Antonio Airport to Idaho Falls Fanning Field Airport?
As of June 2025, there are 2 operators available to choose from for flights from San Antonio Airport to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from San Antonio Airport to Idaho Falls Fanning Field Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The necessary travel and health documents for your Idaho Falls Fanning Field Airport 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 airline from San Antonio to Idaho Falls?
Based on momondo bookings for flights between San Antonio and Idaho Falls, the leading airline is United Airlines, making up 62% of the total bookings. Other popular airlines include Delta with 38%.
Best airlines flying from San Antonio to Idaho Falls
Compare and see reviews for airlines that fly from San Antonio to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $314 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $371 | Free Cancellation | Rating 8.0 7,963 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 Antonio to Idaho Falls?
It is quick and easy to find San Antonio 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 Antonio to Idaho Falls with flexible booking policies on momondo?
All flight searches from San Antonio to Idaho Falls on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Antonio 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 Antonio.
I’m not ready to book a flight from San Antonio to Idaho Falls right now. Can momondo alert me if prices change?
If you are not ready to book a flight from San Antonio to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.