Cheap flights from Idaho Falls to San Antonio from $108
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to San Antonio departing on 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Idaho Falls to San Antonio
Cheap round-trip flights
Delta flights from Idaho Falls to San Antonio
Our best Delta deals on Idaho Falls to San Antonio flight tickets
American Airlines flights from Idaho Falls to San Antonio
Our best American Airlines deals on Idaho Falls to San Antonio flight tickets
See travel insights to San Antonio from
How to get the cheapest flight ticket from Idaho Falls to San Antonio
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 typical price of a round-trip flight between Idaho Falls and San Antonio?
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $379. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Friday is $875.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Idaho Falls to San Antonio in the afternoon for as low as $403. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $559. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
When to book flights from Idaho Falls to San Antonio
Cheap Idaho Falls to San Antonio (IDA to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to San Antonio
How far is Idaho Falls Fanning Field to San Antonio by plane?
A flight from Idaho Falls Fanning Field to San Antonio will travel around 1223.6 mi. By plane, this route typically takes 4h 45m.
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to San Antonio Airport?
Prices for flights from Idaho Falls Fanning Field Airport to San Antonio Airport are updated daily.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to San Antonio Airport?
The number of operators available for flights from Idaho Falls Fanning Field Airport to San Antonio Airport is 2 as of May 2025.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to San Antonio 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 Idaho Falls Fanning Field Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The necessary travel and health documents for your San Antonio 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 Idaho Falls to San Antonio?
Based on momondo bookings for flights between Idaho Falls and San Antonio, the leading airline is Delta, making up 51% of the total bookings. Other popular airlines include United Airlines with 49%.
Best airlines flying from Idaho Falls to San Antonio
Compare and see reviews for airlines that fly from Idaho Falls to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $230 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $334 | Free Cancellation | Rating 7.4 8,731 reviews |
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Idaho Falls to San Antonio?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to San Antonio. momondo saves you time and could save you money on your trip.
Can I find flights from Idaho Falls to San Antonio with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Idaho Falls to San Antonio flights to just show those with flexible booking policies.
How can momondo help me find flights from Idaho Falls to San Antonio?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to San Antonio.
I’m not ready to book a flight from Idaho Falls to San Antonio right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Idaho Falls and alert you when they change.