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

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 Idaho to San Antonio.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Idaho 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 Idaho to San Antonio?

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 San Antonio with an airline and back to Idaho with another airline.

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

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 San Antonio from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$113 CHEAP FLIGHTS from Idaho to San Antonio

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Flight Deals

Cheap Flights from Idaho to San Antonio

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Idaho to San Antonio

Sat, Oct 24 - Tue, Oct 27

2:41 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

8h 18m1 stop Dallas/Fort Worth

8:17 am - 1:22 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

6h 05m1 stop Phoenix Sky Harbor Intl

$225American Airlines

Wed, Dec 9 - Tue, Jan 5

6:37 am - 4:02 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

8h 25m1 stop Seattle/Tacoma Intl

5:00 pm - 11:46 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

7h 46m1 stop Seattle/Tacoma Intl

$225Alaska Airlines

Tue, Jan 12 - Tue, Jan 19

11:30 am - 5:24 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

4h 54m1 stop Salt Lake City

8:00 am - 12:17 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

5h 17m1 stop Salt Lake City

$225Delta

Wed, Nov 4 - Wed, Nov 11

6:49 pm - 12:30 amBOI Boise Air Term. Gowen Fld-SAT San Antonio

4h 41m1 stop Salt Lake City

5:00 pm - 10:52 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

6h 52m1 stop Los Angeles Los Angeles

$225Delta

Tue, Jan 12 - Tue, Jan 19

2:45 pm - 9:07 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

5h 22m1 stop Denver Intl

5:30 am - 3:03 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

10h 33m2 stops Houston George Bush Intcntl San Francisco

$230United Airlines

Wed, Oct 7 - Thu, Oct 15

12:55 pm - 9:35 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

7h 40m1 stop Denver Intl

9:20 pm - 1:45 amSAT San Antonio-BOI Boise Air Term. Gowen Fld

5h 25m1 stop Phoenix Sky Harbor Intl

$240Southwest

Thu, Oct 29 - Tue, Nov 3

2:02 pm - 10:59 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

7h 57m1 stop Phoenix Sky Harbor Intl

5:47 pm - 10:42 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

5h 55m1 stop Dallas/Fort Worth

$240American Airlines

Fri, Oct 16 - Tue, Oct 20

5:15 pm - 12:40 amBOI Boise Air Term. Gowen Fld-SAT San Antonio

6h 25m1 stop San Diego

6:05 pm - 11:15 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

6h 10m1 stop Las Vegas Harry Reid Intl

$254Southwest

Tue, Dec 8 - Wed, Dec 9

2:48 pm - 8:34 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

4h 46m1 stop Denver Intl

4:57 pm - 9:52 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

5h 55m1 stop Denver Intl

$315United Airlines

Wed, Dec 9 - Tue, Jan 5

6:37 am - 11:59 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

16h 22m2 stops Seattle/Tacoma Intl Los Angeles Los Angeles

5:00 pm - 11:46 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

7h 46m1 stop Seattle/Tacoma Intl

$330Alaska Airlines

Recent last minute flight deals from Idaho to San Antonio

Thu, Sep 17 - Sun, Sep 20

2:50 pm - 11:44 amBOI Boise Air Term. Gowen Fld-SAT San Antonio

19h 54m1 stop Las Vegas Harry Reid Intl

12:39 pm - 1:55 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

26h 16m1 stop Las Vegas Harry Reid Intl

$420Frontier

Mon, Sep 21 - Mon, Sep 28

4:00 pm - 12:13 amBOI Boise Air Term. Gowen Fld-SAT San Antonio

7h 13m1 stop Los Angeles Los Angeles

6:01 pm - 11:58 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

6h 57m1 stop Salt Lake City

$673Delta

Wed, Sep 16 - Thu, Sep 17

7:03 am - 4:19 pmGEG Spokane-SAT San Antonio

7h 16m1 stop Seattle/Tacoma Intl

5:29 pm - 10:25 pmSAT San Antonio-GEG Spokane

6h 56m1 stop Seattle/Tacoma Intl

$675Alaska Airlines

Mon, Sep 21 - Mon, Sep 28

6:00 am - 2:55 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

7h 55m2 stops Las Vegas Harry Reid Intl San Diego

7:05 pm - 11:40 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

5h 35m1 stop Las Vegas Harry Reid Intl

$678Southwest

Mon, Sep 21 - Mon, Sep 28

2:55 pm - 11:30 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

7h 35m2 stops Denver Intl Phoenix Sky Harbor Intl

2:45 pm - 10:55 pmSAT San Antonio-BOI Boise Air Term. Gowen Fld

9h 10m2 stops Las Vegas Harry Reid Intl Sacramento Intl

$683Southwest

Wed, Sep 16 - Thu, Sep 17

1:37 pm - 11:57 pmGEG Spokane-SAT San Antonio

8h 20m1 stop Denver Intl

5:30 am - 12:35 pmSAT San Antonio-GEG Spokane

9h 05m2 stops Houston George Bush Intcntl Denver Intl

$715United Airlines

Thu, Sep 17 - Sun, Sep 20

10:50 am - 8:15 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

8h 25m2 stops San Jose Las Vegas Harry Reid Intl

6:00 am - 10:30 amSAT San Antonio-BOI Boise Air Term. Gowen Fld

5h 30m1 stop Las Vegas Harry Reid Intl

$734Southwest

Thu, Sep 17 - Sun, Sep 20

6:00 am - 2:55 pmBOI Boise Air Term. Gowen Fld-SAT San Antonio

7h 55m2 stops Las Vegas Harry Reid Intl San Diego

5:20 pm - 12:40 amSAT San Antonio-BOI Boise Air Term. Gowen Fld

8h 20m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

$739Southwest

Wed, Sep 16 - Thu, Sep 17

6:15 am - 5:25 pmGEG Spokane-SAT San Antonio

9h 10m2 stops Las Vegas Harry Reid Intl Denver Intl

6:40 am - 12:35 pmSAT San Antonio-GEG Spokane

7h 55m2 stops Phoenix Sky Harbor Intl Oakland

$773Southwest

Useful Info

Low season	January
High season	December
Cheapest flight	$113

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly and prices are also 4% lower on average.

Flight from Boise to San Antonio

How does KAYAK find such low prices on flights from Idaho to San Antonio?
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 Idaho to San Antonio.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to San Antonio?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Idaho 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 Idaho to San Antonio?
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 San Antonio with an airline and back to Idaho with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to San Antonio?
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 San Antonio from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.