SAT - IDA

$359 Find Cheap Flights from San Antonio to Idaho Falls - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$359
Typical prices: $376-$545
United Airlines
Wed 10/24Tue 10/30
SAT - IDA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between San Antonio and Idaho Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
July
Cheapest • 30% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $422 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 21m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from San Antonio to Idaho Falls (SAT-IDA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Idaho Falls

Sat, Oct 24 - Fri, Oct 30
United Airlines Logo
1:12 pm - 5:16 pmSAT  San Antonio-IDA Idaho Falls Fanning Field
5h 04m1 stop Denver Intl
United Airlines Logo
2:35 pm - 8:53 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
5h 18m1 stop Denver Intl
$359United Airlines
Sat, Oct 24 - Fri, Oct 30
United Airlines Logo
5:30 am - 3:24 pmSAT  San Antonio-IDA Idaho Falls Fanning Field
10h 54m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
2:35 pm - 8:53 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
5h 18m1 stop Denver Intl
$364United Airlines
Fri, Oct 16 - Mon, Oct 19
United Airlines Logo
5:30 am - 9:53 amSAT  San Antonio-IDA Idaho Falls Fanning Field
5h 23m1 stop Denver Intl
United Airlines Logo
4:05 pm - 11:58 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
6h 53m1 stop Denver Intl
$406United Airlines
Wed, Sep 30 - Sun, Oct 4
United Airlines Logo
5:30 am - 1:24 pmSAT  San Antonio-IDA Idaho Falls Fanning Field
8h 54m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
5:51 pm - 11:58 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
5h 07m1 stop Denver Intl
$434United Airlines
Thu, Oct 29 - Thu, Nov 5
American Airlines Logo
6:00 am - 1:09 pmSAT  San Antonio-IDA Idaho Falls Fanning Field
8h 09m1 stop Dallas/Fort Worth
American Airlines Logo
8:00 am - 5:02 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
8h 02m1 stop Dallas/Fort Worth
$460American Airlines
Mon, Sep 28 - Sat, Oct 3
Delta Logo
6:01 pm - 10:22 pmSAT  San Antonio-IDA Idaho Falls Fanning Field
5h 21m1 stop Salt Lake City
Delta Logo
1:05 pm - 9:06 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
7h 01m1 stop Salt Lake City
$474Delta
Thu, Oct 29 - Thu, Nov 5
Multiple Airlines Logo
10:29 pm - 1:34 pmSAT  San Antonio-IDA Idaho Falls Fanning Field
16h 05m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:02 am - 9:34 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
35h 32m2 stops Phoenix-Mesa Gateway Las Vegas Harry Reid Intl
$495Multiple Airlines
Wed, Sep 30 - Sat, Oct 3
Delta Logo
7:05 am - 6:17 pmSAT  San Antonio-IDA Idaho Falls Fanning Field
12h 12m2 stops Los Angeles Los Angeles Salt Lake City
Delta Logo
1:05 pm - 9:06 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
7h 01m1 stop Salt Lake City
$509Delta
Wed, Sep 30 - Sat, Oct 3
American Airlines Logo
5:00 am - 11:45 amSAT  San Antonio-IDA Idaho Falls Fanning Field
7h 45m1 stop Dallas/Fort Worth
American Airlines Logo
2:08 pm - 8:34 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
5h 26m1 stop Dallas/Fort Worth
$536American Airlines
Mon, Sep 28 - Sat, Oct 3
Delta Logo
6:01 pm - 10:22 pmSAT  San Antonio-IDA Idaho Falls Fanning Field
5h 21m1 stop Salt Lake City
Delta Logo
6:00 am - 2:46 pmIDA  Idaho Falls Fanning Field-SAT San Antonio
7h 46m2 stops Salt Lake City Los Angeles Los Angeles
$554Delta
Booking Insights

Price, demand and travel trends for San Antonio to Idaho Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Antonio to Idaho Falls with more confidence.

How much is a round-trip flight from San Antonio to Idaho Falls?

Round-trip flights from San Antonio to Idaho Falls start at $359. Prices are below average for this route right now, with typical round-trip fares ranging from $376 to $545. The lowest price found in the past 5 days was $359 on United Airlines.

What's the cheapest day of the week to fly from San Antonio to Idaho Falls?

Thursday is the cheapest day of the week to fly from San Antonio to Idaho Falls, it is 17% cheaper than the average day. Sunday is the most expensive day with flight prices 156% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for San Antonio to Idaho Falls flights

Low season

January

When to book flights from San Antonio to Idaho Falls

Are your dates flexible? Find out the best times to travel from San Antonio to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Antonio to Idaho Falls flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from San Antonio to Idaho Falls?

    Flights from San Antonio to Idaho Falls usually depart from San Antonio (SAT) and arrive at Idaho Falls Fanning Field (IDA).

  • What cabin classes can I book on flights from San Antonio to Idaho Falls?

    Only Economy Class is available on flights from San Antonio to Idaho Falls.

  • Which airports do connecting flights from San Antonio to Idaho Falls pass through?

    One-stop flights from San Antonio to Idaho Falls most commonly connect through:

    • Denver Intl (DEN) - 71% of one-stop connections
    • Salt Lake City (SLC) - 25% of one-stop connections
    • Dallas/Fort Worth (DFW) - 4% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Antonio to Idaho Falls?

    Yes. Being flexible with your travel dates can save you up to 68% on the San Antonio to Idaho Falls route. Thursday is the cheapest departure day at $376 round-trip on average, while Sunday is the most expensive at $1,152, a difference of $776. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from San Antonio to Idaho Falls?

    A nonstop flight from San Antonio to Idaho Falls takes 0h 00m, covering 1,222 miles.

  • Do I need a passport to fly from San Antonio to Idaho Falls?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from San Antonio to Idaho Falls changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $359 to $1,087. That means the highest observed fare was about 3x higher than the lowest one.

  • How much time can I save by choosing a different layover airport from San Antonio to Idaho Falls?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 21m, compared with 5h 23m via Salt Lake City (SLC) and 5h 36m via Dallas/Fort Worth (DFW).

  • What is the time difference between San Antonio and Idaho Falls?

    Idaho Falls is 1 hour behind San Antonio (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Idaho Falls Fanning Field Airport (IDA)?

    Idaho Falls Fanning Field Airport (IDA) hosts 5 major car rental companies, with daily rates starting from around $34 for economy cars. Top options include:
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

  • How much should I expect to pay for a San Antonio to Idaho Falls flight?

    Round-trip flights from San Antonio to Idaho Falls range from $376 to $545, with an average of $450 over the past 12 months. Anything below $376 counts as a good deal.

Your guide to booking San Antonio to Idaho Falls flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $376 - about $776 less than Sunday (67% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Antonio to Idaho Falls trip for July. Fares historically average $314 round-trip in that month - typically $838 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Idaho Falls Fanning Field Airport.
    - Tru by Hilton Idaho Falls
    - Quality Inn Idaho Falls
    - Comfort Suites Idaho Falls

More options for your flight from San Antonio to Idaho Falls

Complete your trip to Idaho Falls with a hotel stay or car rental

Car rentals in Idaho Falls
Hotels in Idaho Falls
Vacations in Idaho Falls