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Cheap flights from Billings to San Antonio from $371

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to San Antonio departing on 4/14. 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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Find the cheapest flights from Billings to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:45 am - 1:31 pmBIL-SAT
6h 46m1 stop
Delta Logo
6:05 pm - 10:27 pmSAT-BIL
5h 22m1 stop
$371Delta
Find Deal
Tue, Apr 14 - Wed, Apr 15
Delta Logo
11:35 am - 5:25 pmBIL-SAT
4h 50m1 stop
Delta Logo
6:30 am - 5:48 pmSAT-BIL
12h 18m2 stops
$376Delta
Find Deal
Tue, Apr 14 - Wed, Apr 15
Delta Logo
6:22 pm - 12:37 amBIL-SAT
5h 15m1 stop
Delta Logo
6:10 pm - 11:48 pmSAT-BIL
6h 38m1 stop
$377Delta
Find Deal
Fri, Dec 5 - Fri, Dec 12
Delta Logo
6:25 pm - 9:48 amBIL-SAT
14h 23m2 stops
Delta Logo
2:00 pm - 10:27 pmSAT-BIL
9h 27m2 stops
$381Delta
Find Deal
Tue, Apr 14 - Wed, Apr 15
Delta Logo
6:22 pm - 12:37 amBIL-SAT
5h 15m1 stop
Delta Logo
2:48 pm - 12:23 amSAT-BIL
10h 35m2 stops
$389Delta
Find Deal
Fri, Dec 5 - Fri, Dec 12
Delta Logo
11:35 am - 11:18 pmBIL-SAT
10h 43m2 stops
Delta Logo
6:30 am - 5:48 pmSAT-BIL
12h 18m2 stops
$394Delta
Find Deal
Tue, Apr 14 - Wed, Apr 15
Delta Logo
11:47 am - 9:19 pmBIL-SAT
8h 32m2 stops
Delta Logo
2:48 pm - 12:23 amSAT-BIL
10h 35m2 stops
$407Delta
Find Deal
Fri, Dec 5 - Fri, Dec 12
Alaska Airlines Logo
6:00 am - 5:55 pmBIL-SAT
10h 55m1 stop
Alaska Airlines Logo
6:30 am - 12:28 amSAT-BIL
18h 58m1 stop
$475Alaska Airlines
Find Deal
Tue, Nov 18 - Fri, Nov 21
American Airlines Logo
6:00 am - 2:07 pmBIL-SAT
7h 07m1 stop
American Airlines Logo
7:00 am - 1:30 pmSAT-BIL
7h 30m1 stop
$476American Airlines
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Tue, Nov 18 - Fri, Nov 21
Alaska Airlines Logo
6:00 am - 5:55 pmBIL-SAT
10h 55m1 stop
Alaska Airlines Logo
6:30 am - 12:28 amSAT-BIL
18h 58m1 stop
$530Alaska Airlines
Find Deal
Tue, Nov 18 - Fri, Nov 21

Delta flights from Billings to San Antonio

Our best Delta deals on Billings to San Antonio flight tickets
Delta
Apr 14
BIL5:45 amBillings Logan Intl
6h 46m
1 stop
SAT1:31 pmSan Antonio
Apr 15
SAT6:05 pmSan Antonio
5h 22m
1 stop
BIL10:27 pmBillings Logan Intl
$371
Find similar
Delta
Apr 14
BIL11:35 amBillings Logan Intl
4h 50m
1 stop
SAT5:25 pmSan Antonio
Apr 15
SAT6:30 amSan Antonio
12h 18m
2 stops
BIL5:48 pmBillings Logan Intl
$376
Find similar
Delta
Dec 5
BIL6:22 pmBillings Logan Intl
5h 15m
1 stop
SAT12:37 amSan Antonio
Dec 12
SAT6:10 pmSan Antonio
6h 38m
1 stop
BIL11:48 pmBillings Logan Intl
$377
Find similar

Alaska Airlines flights from Billings to San Antonio

Our best Alaska Airlines deals on Billings to San Antonio flight tickets
Alaska Airlines
Nov 18
BIL6:00 amBillings Logan Intl
10h 55m
1 stop
SAT5:55 pmSan Antonio
Nov 21
SAT6:30 amSan Antonio
18h 58m
1 stop
BIL12:28 amBillings Logan Intl
$475
Find similar
Alaska Airlines
Nov 18
BIL6:00 amBillings Logan Intl
10h 55m
1 stop
SAT5:55 pmSan Antonio
Nov 21
SAT6:30 amSan Antonio
18h 58m
1 stop
BIL12:28 amBillings Logan Intl
$530
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings 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 November 6, 2025.
Use the filters below to find and compare flights from Billings to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 4/14

5:45 am-1:31 pm

1 stop6h 46m

San Antonio

Wed 4/15

6:05 pm-10:27 pm

1 stop5h 22m

$371

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 4/14

11:35 am-5:25 pm

1 stop4h 50m

San Antonio

Wed 4/15

6:30 am-5:48 pm

2 stops12h 18m

$376

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 12/5

6:22 pm-12:37 am

1 stop5h 15m

San Antonio

Fri 12/12

6:10 pm-11:48 pm

1 stop6h 38m

$377

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 4/14

6:25 pm-9:48 am

2 stops14h 23m

San Antonio

Wed 4/15

2:00 pm-10:27 pm

2 stops9h 27m

$381

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 12/5

6:22 pm-12:37 am

1 stop5h 15m

San Antonio

Fri 12/12

2:48 pm-12:23 am

2 stops10h 35m

$389

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 4/14

11:35 am-11:18 pm

2 stops10h 43m

San Antonio

Wed 4/15

6:30 am-5:48 pm

2 stops12h 18m

$394

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 12/5

11:47 am-9:19 pm

2 stops8h 32m

San Antonio

Fri 12/12

2:48 pm-12:23 am

2 stops10h 35m

$407

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 11/18

6:00 am-5:55 pm

1 stop10h 55m

San Antonio

Fri 11/21

6:30 am-12:28 am

1 stop18h 58m

$475

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 11/18

6:00 am-2:07 pm

1 stop7h 07m

San Antonio

Fri 11/21

7:00 am-1:30 pm

1 stop7h 30m

$476

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 11/18

6:00 am-5:55 pm

1 stop10h 55m

San Antonio

Fri 11/21

6:30 am-12:28 am

1 stop18h 58m

$530

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 San Antonio from

How to get the cheapest flight ticket from Billings 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 typical price of a round-trip flight between Billings and San Antonio?

What is the cheapest month to fly to San Antonio?

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

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Friday when prices can be found for as low as $416. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $610.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Billings to San Antonio at noon for as low as $514. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $529. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Billings to San Antonio

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

Cheap Billings to San Antonio (BIL to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to San Antonio

Direct flights

None
There are no direct flights from Billings to San Antonio. There are no popular flight routes from Billings to San Antonio.
Search flight deals

  • How far is Billings Logan Intl to San Antonio by plane?

    The straight-line distance from Billings Logan Intl to San Antonio is 1252.8 mi. Flights usually cover this in 4h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Billings Logan Intl Airport to San Antonio Airport?

    Prices for flights from Billings Logan Intl Airport to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to San Antonio Airport?

  • How old do you have to be to fly from Billings Logan Intl 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 Billings Logan Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Billings to San Antonio?

Best airlines flying from Billings to San Antonio

Compare and see reviews for airlines that fly from Billings to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
DeltaPriceFrom $350Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $363Free CancellationRating
7.2
11,040 reviews
Search American 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
Boerne
Kerrville
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Billings to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Billings to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from Billings to San Antonio with flexible booking policies on momondo?

Yes. All flights to San Antonio from Billings on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Billings 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 Billings to San Antonio.

I’m not ready to book a flight from Billings to San Antonio right now. Can momondo alert me if prices change?

Price alerts on flights to San Antonio from Billings are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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