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Cheap flights from Idaho Falls to San Antonio from $204

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 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho Falls to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 2:20 pm
IDA
-
SAT
7h 20m
1 stop
Delta Logo
6:05 pm - 10:14 pm
SAT
-
IDA
5h 09m
1 stop
$349Delta
Sa, Mai 30 - Sa, Jun 13
Delta Logo
6:00 am - 10:27 pm
IDA
-
SAT
15h 27m
2 stops
Delta Logo
6:05 pm - 10:14 pm
SAT
-
IDA
5h 09m
1 stop
$354Delta
Do, Mai 28 - Di, Jun 9
Delta Logo
6:58 pm - 12:25 am
IDA
-
SAT
4h 27m
1 stop
Delta Logo
6:02 pm - 10:40 pm
SAT
-
IDA
5h 38m
1 stop
$374Delta
Di, Apr 28 - Sa, Mai 2
Delta Logo
6:58 pm - 12:25 am
IDA
-
SAT
4h 27m
1 stop
Delta Logo
6:02 pm - 10:40 pm
SAT
-
IDA
5h 38m
1 stop
$376Delta
Di, Apr 28 - Sa, Mai 2
Delta Logo
6:00 am - 10:27 pm
IDA
-
SAT
15h 27m
2 stops
Delta Logo
6:05 pm - 10:14 pm
SAT
-
IDA
5h 09m
1 stop
$379Delta
Mi, Mai 27 - Sa, Jun 13
United Airlines Logo
5:54 pm - 11:59 pm
IDA
-
SAT
5h 05m
1 stop
United Airlines Logo
5:39 am - 9:50 am
SAT
-
IDA
5h 11m
1 stop
$390United Airlines
Fr, Jun 12 - Mo, Jun 15
Delta Logo
6:00 am - 1:37 pm
IDA
-
SAT
6h 37m
1 stop
Delta Logo
6:05 pm - 10:14 pm
SAT
-
IDA
5h 09m
1 stop
$396Delta
Mi, Mai 27 - Di, Jun 9
Delta Logo
11:30 am - 5:05 pm
IDA
-
SAT
4h 35m
1 stop
Delta Logo
6:05 pm - 10:14 pm
SAT
-
IDA
5h 09m
1 stop
$399Delta
Do, Mai 28 - Mo, Jun 8
Delta Logo
3:16 pm - 11:48 pm
IDA
-
SAT
7h 32m
2 stops
Delta Logo
6:05 pm - 10:14 pm
SAT
-
IDA
5h 09m
1 stop
$404Delta
Mi, Mai 27 - Mo, Jun 8
Multiple Airlines Logo
4:43 pm - 6:59 pm
IDA
-
SAT
25h 16m
2 stops
Multiple Airlines Logo
8:59 pm - 4:08 pm
SAT
-
IDA
20h 09m
1 stop
$409Multiple Airlines
Mo, Jun 1 - So, Jun 7

Delta flights from Idaho Falls to San Antonio

Our best Delta deals on Idaho Falls to San Antonio flight tickets
Delta
May 30
IDA6:00 amIdaho Falls Fanning Field
7h 20m
1 stop
SAT2:20 pmSan Antonio
Jun 13
SAT6:05 pmSan Antonio
5h 09m
1 stop
IDA10:14 pmIdaho Falls Fanning Field
$349
Delta
May 28
IDA6:00 amIdaho Falls Fanning Field
15h 27m
2 stops
SAT10:27 pmSan Antonio
Jun 9
SAT6:05 pmSan Antonio
5h 09m
1 stop
IDA10:14 pmIdaho Falls Fanning Field
$354
Delta
Apr 28
IDA6:58 pmIdaho Falls Fanning Field
4h 27m
1 stop
SAT12:25 amSan Antonio
May 2
SAT6:02 pmSan Antonio
5h 38m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
$374

American Airlines flights from Idaho Falls to San Antonio

Our best American Airlines deals on Idaho Falls to San Antonio flight tickets
American Airlines
May 29
IDA12:44 pmIdaho Falls Fanning Field
10h 12m
1 stop
SAT11:56 pmSan Antonio
Jun 10
SAT5:00 amSan Antonio
8h 14m
1 stop
IDA12:14 pmIdaho Falls Fanning Field
$467
American Airlines
Mar 28
IDA2:18 pmIdaho Falls Fanning Field
7h 49m
1 stop
SAT11:07 pmSan Antonio
Apr 1
SAT7:00 amSan Antonio
7h 48m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
$470

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to San Antonio 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 März 18, 2026.
Use the filters below to find and compare flights from Idaho Falls to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Sa 5/30

6:00 am-2:20 pm

1 stop7h 20m

San Antonio

Sa 6/13

6:05 pm-10:14 pm

1 stop5h 09m

$349

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Do 5/28

6:00 am-10:27 pm

2 stops15h 27m

San Antonio

Di 6/9

6:05 pm-10:14 pm

1 stop5h 09m

$354

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Di 4/28

6:58 pm-12:25 am

1 stop4h 27m

San Antonio

Sa 5/2

6:02 pm-10:40 pm

1 stop5h 38m

$374

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Di 4/28

6:58 pm-12:25 am

1 stop4h 27m

San Antonio

Sa 5/2

6:02 pm-10:40 pm

1 stop5h 38m

$376

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Mi 5/27

6:00 am-10:27 pm

2 stops15h 27m

San Antonio

Sa 6/13

6:05 pm-10:14 pm

1 stop5h 09m

$379

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Fr 6/12

5:54 pm-11:59 pm

1 stop5h 05m

San Antonio

Mo 6/15

5:39 am-9:50 am

1 stop5h 11m

$390

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Mi 5/27

6:00 am-1:37 pm

1 stop6h 37m

San Antonio

Di 6/9

6:05 pm-10:14 pm

1 stop5h 09m

$396
Quickest round-trip

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Do 5/28

11:30 am-5:05 pm

1 stop4h 35m

San Antonio

Mo 6/8

6:05 pm-10:14 pm

1 stop5h 09m

$399

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Mi 5/27

3:16 pm-11:48 pm

2 stops7h 32m

San Antonio

Mo 6/8

6:05 pm-10:14 pm

1 stop5h 09m

$404

Idaho FallsSan Antonio

IDA - SAT

IDASAT

Idaho Falls Fanning Field

Mo 6/1

4:43 pm-6:59 pm

2 stops25h 16m

San Antonio

So 6/7

8:59 pm-4:08 pm

1 stop20h 09m

$409

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of April, then book flights to San Antonio from Idaho Falls during November instead. Flights to San Antonio in November, while not as cheap as those in April, still average around $370.

When to book flights from Idaho Falls to San Antonio

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

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

Fastest flight time

4h 27m

Direct flights

None
The fastest flight from Idaho Falls to San Antonio takes 4h 27m
There are no direct flights from Idaho Falls to San Antonio. There are no popular flight routes from Idaho Falls to San Antonio.
Search flight deals

  • 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 27m.

  • 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?

  • 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?

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
DeltaPriceFrom $230Free CancellationRating
7.9
8,286 reviews
Search Delta flights
United AirlinesPriceFrom $368Free CancellationRating
7.4
9,435 reviews
Search United Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
Schertz

Why 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.

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