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Cheap flights from San Antonio to Idaho Falls from $325

This is the cheapest one-way 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 7/1. 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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0 bags

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Find the cheapest flights from San Antonio to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:50 am - 10:50 am
SAT
-
IDA
5h 00m
1 stop
Delta Logo
7:00 pm - 12:26 am
IDA
-
SAT
4h 26m
1 stop
$329Delta
Tue, Aug 11 - Tue, Aug 18
Delta Logo
2:22 pm - 10:32 pm
SAT
-
IDA
9h 10m
2 stops
Delta Logo
7:00 pm - 12:26 am
IDA
-
SAT
4h 26m
1 stop
$359Delta
Tue, Aug 11 - Tue, Aug 18
Delta Logo
2:22 pm - 10:32 pm
SAT
-
IDA
9h 10m
2 stops
Delta Logo
3:17 pm - 11:56 pm
IDA
-
SAT
7h 39m
2 stops
$389Delta
Tue, Aug 11 - Tue, Aug 18
Delta Logo
7:19 am - 6:18 pm
SAT
-
IDA
11h 59m
2 stops
Delta Logo
7:00 pm - 12:26 am
IDA
-
SAT
4h 26m
1 stop
$409Delta
Wed, Jul 8 - Wed, Jul 15
Alaska Airlines Logo
4:44 pm - 10:39 pm
SAT
-
IDA
6h 55m
1 stop
Alaska Airlines Logo
1:43 pm - 5:00 am
IDA
-
SAT
14h 17m
1 stop
$428Alaska Airlines
Wed, Jul 8 - Wed, Jul 15
Delta Logo
6:30 am - 10:43 am
SAT
-
IDA
5h 13m
1 stop
Delta Logo
7:00 pm - 12:26 am
IDA
-
SAT
4h 26m
1 stop
$438Delta
Wed, Jul 8 - Wed, Jul 15
Delta Logo
7:19 am - 2:36 pm
SAT
-
IDA
8h 17m
2 stops
Delta Logo
7:00 pm - 12:26 am
IDA
-
SAT
4h 26m
1 stop
$443Delta
Wed, Jul 8 - Wed, Jul 15
American Airlines Logo
2:03 pm - 9:20 pm
SAT
-
IDA
8h 17m
1 stop
American Airlines Logo
2:08 pm - 10:50 pm
IDA
-
SAT
7h 42m
1 stop
$459American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
4:39 pm - 9:20 pm
SAT
-
IDA
5h 41m
1 stop
American Airlines Logo
2:08 pm - 10:50 pm
IDA
-
SAT
7h 42m
1 stop
$460American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
5:00 am - 11:30 am
SAT
-
IDA
7h 30m
1 stop
American Airlines Logo
2:20 pm - 10:50 pm
IDA
-
SAT
7h 30m
1 stop
$461American Airlines
Sat, Aug 29 - Sun, Aug 30

Delta flights from San Antonio to Idaho Falls

Our best Delta deals on San Antonio to Idaho Falls flight tickets
Delta
Aug 11
SAT6:50 amSan Antonio
5h 00m
1 stop
IDA10:50 amIdaho Falls Fanning Field
Aug 18
IDA7:00 pmIdaho Falls Fanning Field
4h 26m
1 stop
SAT12:26 amSan Antonio
$329
Delta
Aug 11
SAT2:22 pmSan Antonio
9h 10m
2 stops
IDA10:32 pmIdaho Falls Fanning Field
Aug 18
IDA7:00 pmIdaho Falls Fanning Field
4h 26m
1 stop
SAT12:26 amSan Antonio
$359
Delta
Aug 11
SAT2:22 pmSan Antonio
9h 10m
2 stops
IDA10:32 pmIdaho Falls Fanning Field
Aug 18
IDA3:17 pmIdaho Falls Fanning Field
7h 39m
2 stops
SAT11:56 pmSan Antonio
$389

American Airlines flights from San Antonio to Idaho Falls

Our best American Airlines deals on San Antonio to Idaho Falls flight tickets
American Airlines
Sep 19
SAT2:03 pmSan Antonio
8h 17m
1 stop
IDA9:20 pmIdaho Falls Fanning Field
Sep 26
IDA2:08 pmIdaho Falls Fanning Field
7h 42m
1 stop
SAT10:50 pmSan Antonio
$459
American Airlines
Sep 19
SAT4:39 pmSan Antonio
5h 41m
1 stop
IDA9:20 pmIdaho Falls Fanning Field
Sep 26
IDA2:08 pmIdaho Falls Fanning Field
7h 42m
1 stop
SAT10:50 pmSan Antonio
$460
American Airlines
Aug 29
SAT5:00 amSan Antonio
7h 30m
1 stop
IDA11:30 amIdaho Falls Fanning Field
Aug 30
IDA2:20 pmIdaho Falls Fanning Field
7h 30m
1 stop
SAT10:50 pmSan Antonio
$461

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 27, 2026.
Use the filters below to find and compare flights from San Antonio to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Tue 8/11

6:50 am-10:50 am

1 stop5h 00m

Idaho Falls Fanning Field

Tue 8/18

7:00 pm-12:26 am

1 stop4h 26m

$329

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Tue 8/11

2:22 pm-10:32 pm

2 stops9h 10m

Idaho Falls Fanning Field

Tue 8/18

7:00 pm-12:26 am

1 stop4h 26m

$359

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Tue 8/11

2:22 pm-10:32 pm

2 stops9h 10m

Idaho Falls Fanning Field

Tue 8/18

3:17 pm-11:56 pm

2 stops7h 39m

$389

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Wed 7/8

7:19 am-6:18 pm

2 stops11h 59m

Idaho Falls Fanning Field

Wed 7/15

7:00 pm-12:26 am

1 stop4h 26m

$409

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Wed 7/8

4:44 pm-10:39 pm

1 stop6h 55m

Idaho Falls Fanning Field

Wed 7/15

1:43 pm-5:00 am

1 stop14h 17m

$428

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Wed 7/8

6:30 am-10:43 am

1 stop5h 13m

Idaho Falls Fanning Field

Wed 7/15

7:00 pm-12:26 am

1 stop4h 26m

$438

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Wed 7/8

7:19 am-2:36 pm

2 stops8h 17m

Idaho Falls Fanning Field

Wed 7/15

7:00 pm-12:26 am

1 stop4h 26m

$443

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Sat 9/19

2:03 pm-9:20 pm

1 stop8h 17m

Idaho Falls Fanning Field

Sat 9/26

2:08 pm-10:50 pm

1 stop7h 42m

$459

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Sat 9/19

4:39 pm-9:20 pm

1 stop5h 41m

Idaho Falls Fanning Field

Sat 9/26

2:08 pm-10:50 pm

1 stop7h 42m

$460

San AntonioIdaho Falls

SAT - IDA

SATIDA

San Antonio

Sat 8/29

5:00 am-11:30 am

1 stop7h 30m

Idaho Falls Fanning Field

Sun 8/30

2:20 pm-10:50 pm

1 stop7h 30m

$461

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

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 typical price of a round-trip flight between San Antonio and Idaho Falls?

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 $376.

When to book flights from San Antonio to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Fastest flight time

5h 00m

Direct flights

None
The fastest flight from San Antonio to Idaho Falls takes 5h 00m
There are no direct flights from San Antonio to Idaho Falls. There are no popular flight routes from San Antonio to Idaho Falls.
Search flight deals

Frequently asked questions about flying 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 00m.

  • 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?

  • 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?

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
DeltaPriceFrom $328Free CancellationRating
7.9
8,429 reviews
Search Delta flights
United AirlinesPriceFrom $357Free CancellationRating
7.4
9,752 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why 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.

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