Popular airlines from Idaho Falls Regional Airport (IDA) to San Antonio International Airport (SAT)
Alaska AirlinesAlaska Airlines
DeltaDelta
UnitedUnited
American AirlinesAmerican Airlines
Hawaiian AirlinesHawaiian Airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Idaho Falls to San Antonio (IDA-SAT)
Prices were available within the past 7 days and start at $169 for one-way flights and $322 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frequently asked questions
Travel information
Travel information
Origin airport | Idaho Falls Regional |
Destination airport | San Antonio Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United |
Roundtrip price | $322 |
Distance | 1222 mi |
Book with confidence
Book with confidence
The cheapest times to fly from Idaho Falls to San Antonio
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Idaho Falls to San Antonio are during the month of May. You can find some of the cheapest flights from Idaho Falls to San Antonio with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Idaho Falls to San Antonio
Sunday is one of the best days to book for cheap flights from Idaho Falls to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Idaho Falls to San Antonio
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Idaho Falls to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $169 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Idaho Falls to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Idaho Falls to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Be inspired and discover more with Expedia
Be inspired and discover more with Expedia
Flights
- Flights from Idaho Falls (IDA) to Miami (MIA)
- Flights from Houston (IAH) to Miami (MIA)
- Flights from Dallas (DFW) to Miami (MIA)
- Flights from Idaho Falls (IDA) to Orange County (SNA)
- Flights from Atlanta (ATL) to Dallas (DFW)
- Flights from New York (NYC) to Dallas (DFW)
- Flights from Seattle (SEA) to Dallas (DFW)
- Flights from Chicago (ORD) to Dallas (DFW)
- Flights from Los Angeles (LAX) to Dallas (DFW)
- Flights from Houston (HOU) to Dallas (DFW)
- Flights from Dallas (DFW) to Chicago (ORD)
- Flights from Idaho Falls (IDA) to San Diego (SAN)
- Flights from Los Angeles (LAX) to Houston (IAH)
- Flights from Idaho Falls (IDA) to Mexico City (MEX)
- Flights from Idaho Falls (IDA) to Portland (PDX)
- Flights from Idaho Falls (IDA) to Belize City (BZE)
- Flights from Dallas (DFW) to Houston (HOU)
- Flights from Chicago (ORD) to Houston (HOU)
- Flights from Atlanta (ATL) to Houston (HOU)
- Flights from Dallas (DFW) to Cancun (CUN)
- Flights from Houston (HOU) to Cancun (CUN)
- Flights from Austin (AUS) to Las Vegas (LAS)
- Flights from Dallas (DFW) to Las Vegas (LAS)
- Flights from Houston (IAH) to Las Vegas (LAS)
- Flights from Dallas (DFW) to New York (NYC)
- Flights from Houston (HOU) to New York (NYC)
- Flights from Toluca (TLC) to San Antonio (SAT)
- Flights from Phoenix (PHX) to San Antonio (SAT)
- Flights from New York (LGA) to San Antonio (SAT)
- Flights from Fort Lauderdale (FLL) to San Antonio (SAT)
- Flights from Mexico City (MEX) to San Antonio (SAT)
- Flights from Los Angeles (LAX) to San Antonio (SAT)
- Flights from Detroit (DTW) to San Antonio (SAT)
- Flights from Newark Liberty Intl. Airport (EWR) to San Antonio (SAT)
- Flights from Boston (BOS) to San Antonio (SAT)
- Flights from Chicago (ORD) to San Antonio (SAT)
- Flights from Charlotte (CLT) to San Antonio (SAT)
- Flights from San Diego (SAN) to San Antonio (SAT)
- Flights from Dallas (DFW) to Atlanta (ATL)
- Flights from Houston (IAH) to Denver (DEN)
- Flights from Dallas (DFW) to Denver (DEN)
- Flights from Idaho Falls (IDA) to Denver (DEN)
- Flights from Idaho Falls (IDA) to Honolulu (HNL)
- Flights from Dallas (DFW) to Honolulu (HNL)
- Flights from Houston (IAH) to Los Angeles (LAX)
- Flights from Idaho Falls (IDA) to Los Angeles (LAX)
- Flights from Dallas (DFW) to Los Angeles (LAX)
- Flights from Idaho Falls (IDA) to Fort Lauderdale (FLL)
- Flights from Dallas (DFW) to Orlando (MCO)
- Flights from Houston (HOU) to Orlando (MCO)
- Flights from Idaho Falls (IDA) to Phoenix (PHX)
- Flights from Dallas (DFW) to Phoenix (PHX)
- Flights from Idaho Falls (IDA) to Detroit (DTW)
- Flights from Dallas (DFW) to Seattle (SEA)
- Alaska Airlines Idaho Falls (IDA) to Orange County (SNA) flights
- Alaska Airlines Idaho Falls (IDA) to San Diego (SAN) flights
- Delta New York (JFK) to San Antonio (SAT) flights
- American Airlines Phoenix (PHX) to San Antonio (SAT) flights
- Alaska Airlines Los Angeles (LAX) to San Antonio (SAT) flights
- United Boston (BOS) to San Antonio (SAT) flights
- American Airlines New York (LGA) to San Antonio (SAT) flights
- United Denver (DEN) to San Antonio (SAT) flights
- United San Diego (SAN) to San Antonio (SAT) flights
- Delta Charlotte (CLT) to San Antonio (SAT) flights
- Alaska Airlines Idaho Falls (IDA) to Honolulu (HNL) flights
- Alaska Airlines
- Delta
- KLM
- Qatar Airways
- Aeromexico
- Air France
- American Airlines
- Hawaiian Airlines
- Virgin Atlantic
- United
- Flights from Ogden Regional
- Flights from Bozeman Yellowstone Intl.
- Flights from Pocatello Regional
- Flights from Dillon
- Flights from Yellowstone Regional
- Flights from Yellowstone
- Flights from Friedman Memorial
- Flights from Lemhi County
- Flights from Jackson Hole
- Flights from Twin Falls
- Flights to Nashville
- Flights to San Francisco
- Flights to San Antonio
- Flights to Gatlinburg
- Flights to Miami
- Flights to Orlando
- Flights to New York
- Flights to Chicago
- Flights to Houston
- Flights to Los Angeles
- Flights to Honolulu
- Flights to San Diego
- Flights to Washington
- Flights to Atlanta
- Flights to Boston
- Flights to Las Vegas
- Flights to Pigeon Forge
- Flights to Key West
- Flights to Fort Lauderdale
- Flights to New Orleans