SAT - BOI

$136 Find Cheap Flights from San Antonio to Boise - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$260
Typical prices: $333-$542
Frontier
Sun 9/16Fri 9/21
SAT - BOI • 1 stop
Cheapest one-way
$136
Typical prices: $208-$349
Frontier
Sun 9/9
SAT - BOI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between San Antonio and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 27% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Los Angeles (LAX)
Cheapest • Avg $369 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 18m (one-way)
Insights
Insights
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We hope you love your trip to Boise!
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Flight Deals

Cheap Flights from San Antonio to Boise (SAT-BOI)

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

Recent round-trip flight deals from San Antonio to Boise

Wed, Sep 16 - Mon, Sep 21
Frontier Logo
3:19 pm - 1:55 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
23h 36m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:50 pm - 2:20 pmBOI  Boise Air Term. Gowen Fld-SAT San Antonio
22h 30m1 stop Las Vegas Harry Reid Intl
$260Frontier
Wed, Sep 16 - Mon, Sep 21
Frontier Logo
8:20 pm - 1:55 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
18h 35m2 stops Denver Intl Las Vegas Harry Reid Intl
Frontier Logo
2:50 pm - 2:20 pmBOI  Boise Air Term. Gowen Fld-SAT San Antonio
22h 30m1 stop Las Vegas Harry Reid Intl
$302Frontier
Thu, Sep 24 - Mon, Sep 28
Frontier Logo
12:39 pm - 1:55 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
26h 16m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:50 pm - 2:20 pmBOI  Boise Air Term. Gowen Fld-SAT San Antonio
22h 30m1 stop Las Vegas Harry Reid Intl
$307Frontier
Wed, Sep 30 - Wed, Oct 7
Southwest Logo
6:00 am - 12:00 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
7h 00m1 stop San Diego
Southwest Logo
12:55 pm - 9:30 pmBOI  Boise Air Term. Gowen Fld-SAT San Antonio
7h 35m1 stop Denver Intl
$343Southwest
Wed, Sep 16 - Sat, Sep 19
Southwest Logo
6:00 am - 12:00 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
7h 00m1 stop San Diego
Southwest Logo
2:25 pm - 8:20 pmBOI  Boise Air Term. Gowen Fld-SAT San Antonio
4h 55m1 stop Denver Intl
$343Southwest
Sat, Oct 10 - Tue, Oct 13
Delta Logo
6:35 am - 10:42 amSAT  San Antonio-BOI Boise Air Term. Gowen Fld
5h 07m1 stop Salt Lake City
Delta Logo
6:49 pm - 12:30 amBOI  Boise Air Term. Gowen Fld-SAT San Antonio
4h 41m1 stop Salt Lake City
$343Delta
Sun, Sep 6 - Sat, Sep 12
United Airlines Logo
9:10 am - 1:38 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
5h 28m1 stop Denver Intl
United Airlines Logo
12:30 pm - 10:51 pmBOI  Boise Air Term. Gowen Fld-SAT San Antonio
9h 21m1 stop Chicago O'Hare Intl
$343United Airlines
Sun, Sep 6 - Sat, Sep 12
United Airlines Logo
4:39 pm - 9:37 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
5h 58m1 stop Denver Intl
United Airlines Logo
5:40 pm - 11:57 pmBOI  Boise Air Term. Gowen Fld-SAT San Antonio
5h 17m1 stop Denver Intl
$343United Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
9:20 am - 3:31 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
7h 11m1 stop San Francisco
United Airlines Logo
6:30 am - 12:43 pmBOI  Boise Air Term. Gowen Fld-SAT San Antonio
5h 13m1 stop Denver Intl
$343United Airlines
Sat, Sep 12 - Mon, Sep 14
Delta Logo
7:05 am - 2:44 pmSAT  San Antonio-BOI Boise Air Term. Gowen Fld
8h 39m1 stop Los Angeles
Delta Logo
6:44 pm - 12:31 amBOI  Boise Air Term. Gowen Fld-SAT San Antonio
4h 47m1 stop Salt Lake City
$356Delta
Booking Insights

Price, demand and travel trends for San Antonio to Boise flights

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

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

Round-trip flights from San Antonio to Boise start at $260. Prices are below average for this route right now, with typical round-trip fares ranging from $333 to $542. The lowest price found in the past 5 days was $260 on Frontier.

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

Tuesday is the cheapest day of the week to fly from San Antonio to Boise, it is 23% cheaper than the average day. Friday is the most expensive day with flight prices 22% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from San Antonio to Boise?

  • September is the cheapest month to fly from San Antonio to Boise at $313 round-trip.
  • August ($605) and March ($566) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 93% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for San Antonio to Boise flights

Low season

September

Cheapest flight

$136
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from San Antonio to Boise

When to book flights from San Antonio to Boise

Are your dates flexible? Find out the best times to travel from San Antonio to Boise 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 Boise 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 Boise?

    Flights from San Antonio to Boise usually depart from San Antonio (SAT) and arrive at Boise Air Term. Gowen Fld (BOI).

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

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

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

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

    • Salt Lake City (SLC) - 41% of one-stop connections
    • Denver Intl (DEN) - 40% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 9% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 5% of one-stop connections

    Salt Lake City (SLC) 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 Boise?

    Yes. Being flexible with your travel dates can save you up to 37% on the San Antonio to Boise route. Tuesday is the cheapest departure day at $332 round-trip on average, while Friday is the most expensive at $522, a difference of $190. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

  • How long is a flight from San Antonio to Boise?

    A nonstop flight from San Antonio to Boise takes 0h 00m, covering 1,376 miles.

  • What are the earliest and latest flights from San Antonio to Boise?

    These are the earliest and latest flight times available from San Antonio to Boise:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

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

    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 Boise 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 $260 to $1,836. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from San Antonio to Boise looking right now?

    One-way fares from San Antonio to Boise are currently lower than usual. Average one-way flight prices are about $209, which is 22% below the typical average for this route.

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

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 18m, compared with 5h 30m via Salt Lake City (SLC) and 5h 33m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between San Antonio and Boise?

    Boise 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 Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    · Budget
    · Alamo
    · Hertz
    · Enterprise Rent-A-Car
    · Avis

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

    Round-trip flights from San Antonio to Boise range from $333 to $542, with an average of $426 over the past 12 months. Anything below $333 counts as a good deal.

Your guide to booking San Antonio to Boise 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 Tuesday departure instead of Friday. On this route, Tuesday flights average $332 - about $190 less than Friday (36% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Antonio to Boise trip for September. Fares historically average $313 round-trip in that month - typically $292 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.
    - Ramada by Wyndham Boise
    - Americas Best Value Inn & Suites-Boise
    - Super 8 by Wyndham Boise

Everything you need to know for your flight from San Antonio to Boise

Information on your arrival and departure airports

San Antonio (SAT)
Boise (BOI)