SAT - IDA

$347 Find Cheap Flights from San Antonio to Idaho Falls

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to Idaho Falls departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Idaho Falls

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to Idaho Falls, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Antonio to Idaho Falls, as well as popular online travel agencies
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Cheap Flights from San Antonio to Idaho Falls (SAT-IDA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to Idaho Falls that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Tue, Oct 21 - Mon, Oct 27
Alaska Airlines Logo
7:56 pm - 3:38 pmSAT-IDA
20h 42m1 stop
Alaska Airlines Logo
3:50 pm - 12:05 amIDA-SAT
7h 15m1 stop
$347Alaska Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
Alaska Airlines Logo
6:27 am - 10:39 pmSAT-IDA
17h 12m1 stop
Alaska Airlines Logo
6:13 am - 6:57 pmIDA-SAT
11h 44m1 stop
$362Alaska Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Hawaiian Airlines Logo
6:40 am - 3:38 pmSAT-IDA
9h 58m1 stop
Hawaiian Airlines Logo
3:50 pm - 12:05 amIDA-SAT
7h 15m1 stop
$367Hawaiian Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
Delta Logo
12:15 pm - 10:25 pmSAT-IDA
11h 10m2 stops
Delta Logo
6:51 pm - 12:19 amIDA-SAT
4h 28m1 stop
$370Delta
Find Deal
Sat, Sep 27 - Wed, Oct 1
Delta Logo
12:15 pm - 10:25 pmSAT-IDA
11h 10m2 stops
Delta Logo
6:51 pm - 12:19 amIDA-SAT
4h 28m1 stop
$377Delta
Find Deal
Sat, Sep 27 - Wed, Oct 1
Delta Logo
12:15 pm - 10:25 pmSAT-IDA
11h 10m2 stops
Delta Logo
6:51 pm - 12:19 amIDA-SAT
4h 28m1 stop
$390Delta
Find Deal
Tue, Oct 21 - Mon, Oct 27
American Airlines Logo
5:00 am - 12:25 pmSAT-IDA
8h 25m1 stop
American Airlines Logo
1:11 pm - 11:43 pmIDA-SAT
9h 32m2 stops
$400American Airlines
Find Deal
Fri, Aug 15 - Fri, Aug 22
United Airlines Logo
4:30 pm - 10:51 pmSAT-IDA
7h 21m1 stop
United Airlines Logo
10:56 am - 4:51 pmIDA-SAT
4h 55m1 stop
$423United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
Delta Logo
8:00 am - 6:11 pmSAT-IDA
11h 11m2 stops
Delta Logo
1:06 pm - 11:52 pmIDA-SAT
9h 46m2 stops
$426Delta
Find Deal
Fri, Aug 15 - Fri, Aug 22
United Airlines Logo
2:18 pm - 10:51 pmSAT-IDA
9h 33m2 stops
United Airlines Logo
10:56 am - 4:51 pmIDA-SAT
4h 55m1 stop
$428United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for San Antonio to Idaho Falls flights

Get data-powered insights and trends into flights from San Antonio to Idaho Falls to help you find the cheapest flights, the best time to fly and much more.

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

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

The average price of all round-trip flights from San Antonio to Idaho Falls clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from San Antonio to Idaho Falls, look for departures on Tuesdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Idaho Falls, Saturday is the cheapest day to fly and Friday is the most expensive.

What is the cheapest month to fly from San Antonio to Idaho Falls?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Antonio to Idaho Falls, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Antonio to Idaho Falls is January, where tickets cost $420 (return) on average. On the other hand, the most expensive months are March and April, where the average cost of round-trip tickets is $668 and $660 respectively.

Good to know

Low seasonFebruary
Cheapest flight$347
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from San Antonio to Idaho Falls

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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Antonio to Idaho Falls

  • What is the cheapest flight from San Antonio to Idaho Falls?

    In the last 3 days, the lowest price for a flight from San Antonio to Idaho Falls was $347 for a round-trip ticket.

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

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from San Antonio to Idaho Falls?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Antonio to Idaho Falls?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between San Antonio and Idaho Falls, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from San Antonio to Idaho Falls, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from San Antonio to Idaho Falls are Delta and United Airlines. With an average price for the route of $548 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $499 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from San Antonio to Idaho Falls?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to Idaho Falls.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to Idaho Falls?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from San Antonio is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to Idaho Falls?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Idaho Falls with an airline and back to San Antonio with another airline. Booking your flights between San Antonio and IDA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to Idaho Falls?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Idaho Falls from San Antonio up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from San Antonio to Idaho Falls

 
See real verified KAYAK customer reviews for airlines flying from San Antonio to Idaho Falls. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Antonio to Idaho Falls? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 7980 reviews
7.9Comfort
8.2Boarding
7.3Food
8.5Crew
7.9Entertainment
Airline reviews

My experience on any Delta flight is always overshadowed by the time Delta removed me from a flight for no apparent reason.

2.0 MediocreGim, Jul 2025BGM - DTW
Read more Delta reviews

My experience on any Delta flight is always overshadowed by the time Delta removed me from a flight for no apparent reason.

Delayed and took off even later than the scheduled delay time

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

Great experience on Delta. Staff from baggage check to flight attendants were very courteous and professional. My only issue was a personal preference for pretzels instead of the chips and cookies that were offered.

There was no problems, just a little uncomfortable with seats that do not lay back a little

Always good but we must do something about people in rows ahead of you that don't put their seats back up when they are suppose to. And It's rough to not be able to even lean over to get something out of my purse.

Flight was delayed, 30+ bags had to be gate checked. Crew were very friendly!

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Did not know my son and I had different seating arrangements. He was fine, but it was disappointing.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

Overall it was good. I missed my connection but I was put on another flight.

Gate agent did not hold flight for connection, provided no assistance to get new flight

Smooth flight. Boarding was chaotic. Could not hear the gate agent over the intercom. People were lined up in the wrong lines. Groups one and two were told to board through line one and group 3 through line 2. All very confusing. Once in the air, the flight was smooth. There was no entertainment option on this aircraft, even though it was a larger aircraft.

We boarded but then sat there waiting on some missed connection people to get on so we sat for about 15 minutes for that. Then we sat again because the passenger manifest was wrong and they had to figure it out before we could leave. That took about another 20 minutes or so. The crew was working hard to figure it out so it’s not their fault. It ended up being a system glitch where someone was upgraded to first class while another person was also in the same seat and it just created a mess that took a little while to figure out. They literally went to every person on the plane asking their names to see who was sitting in the wrong seat. I also hate the entertainment that must be watched on your phone or tablet. Just give us setback screens. It’s so much better. Almost every Delta flight has this now and it is so nice to have them. The crew did a great job. I have no complaints from them. They were very hard working, even with the mishap and a disgruntled passenger.

My priority checked bag was not loaded on the flight. I had to sit in baggage claim in Las Vegas for 2 1/2 hours waiting for the next flight. All baggage staff were very helpful, tracking showed it as scanned for loading. Nobody told me why it wasn't on my flight.

Food choices were very limited. Taste of the dishes was average.

It’s been awhile since I have traveled on United. I, along with my family who were on the flight noted how smoothly everything went . Boarding, flight crew and service was excellent.

Oh my gosh, I loved my experience with United! they made me want to travel more often.

How badly can you screw up baggage claim? We were told to go to baggage claim too for our bags from this flight. Another flights bags were there. They finished up. More bags from a different flight arrived. Our bags did not Finally the baggage claim belt stopped working and and are flight was still listed on the arrivals for that baggage claim 2. And then nothing It turns out that they had been delivered not only the United baggage claim but far away on a Delta baggage claim No I never told us. It was only the people looking around who had been on the flight But I’m sure there was plenty of time for the employees to raffle through the bags and steal whatever they wanted

Sucks ! All three flights I was on this trip were delayed.

Everything you need to know for your flight from San Antonio to Idaho Falls

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