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$363+ Cheap flights from Billings to San Antonio (BIL - SAT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SAT
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Billings to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 17, 2025.

Round-trip from

$363
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$350
From Billings Logan Intl to San Antonio
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Billings to San Antonio

Cheapest flights from Billings to San Antonio
Explore the most affordable flight options available from Billings to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/19:55 amBIL - SAT
2 stops27h 12mMultiple Airlines
vie. 12/56:44 pmSAT - BIL
1 stop17h 58mMultiple Airlines
Deal found 9/15$363
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/192:00 pmBIL - SAT
1 stop5h 10mAmerican Airlines
lun. 11/247:00 amSAT - BIL
1 stop7h 30mAmerican Airlines
Deal found 9/15$371
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/186:00 amBIL - SAT
1 stop10h 55mAlaska Airlines
vie. 11/216:58 pmSAT - BIL
1 stop16h 59mAlaska Airlines
Deal found 9/15$376
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/185:18 amBIL - SAT
1 stop7h 31mDelta
vie. 11/215:54 pmSAT - BIL
1 stop6h 55mDelta
Deal found 9/15$384
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/19:55 amBIL - SAT
2 stops27h 12mMultiple Airlines
jue. 12/46:23 pmSAT - BIL
1 stop15h 49mMultiple Airlines
Deal found 9/15$402
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/45:00 amBIL - SAT
1 stop6h 45mUnited Airlines
lun. 10/64:39 pmSAT - BIL
1 stop7h 07mUnited Airlines
Deal found 9/15$426
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/307:03 amBIL - SAT
1 stop6h 02mAmerican Airlines
sáb. 10/44:02 pmSAT - BIL
1 stop6h 47mAmerican Airlines
Deal found 9/15$456
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/305:47 pmBIL - SAT
1 stop22h 41mMultiple Airlines
vie. 12/56:44 pmSAT - BIL
1 stop17h 58mMultiple Airlines
Deal found 9/15$458

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Billings to San Antonio that are best for you.

Fly from

Billings

Fly to

San Antonio

Route

Depart

Return

Price

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

lun. 12/1

9:55 am-2:07 pm

2 stops27h 12m

San Antonio

vie. 12/5

6:44 pm-11:42 am

1 stop17h 58m

$363

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

mié. 10/8

6:15 pm-12:31 am

1 stop5h 16m

San Antonio

mié. 10/15

6:15 pm-11:18 pm

1 stop6h 03m

$371

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

mié. 11/19

2:00 pm-10:15 pm

1 stop7h 15m

San Antonio

lun. 11/24

7:00 am-1:30 pm

1 stop7h 30m

$371

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

mar. 11/18

6:00 am-5:55 pm

1 stop10h 55m

San Antonio

vie. 11/21

6:58 pm-10:57 am

1 stop16h 59m

$376

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

mié. 11/19

5:18 am-2:42 pm

2 stops8h 24m

San Antonio

lun. 11/24

6:10 pm-11:19 pm

1 stop6h 09m

$376

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

mar. 11/18

5:18 am-1:49 pm

1 stop7h 31m

San Antonio

vie. 11/21

5:54 pm-11:49 pm

1 stop6h 55m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Billings to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Billings with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Billings to San Antonio

What is the cheapest month to book a flight from Billings to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Billings to San Antonio (average of $295). Flying from Billings to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated septiembre 17, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Billings to San Antonio by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Billings to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Billings to San Antonio?

    A quick flight from Billings to San Antonio can take about 5h 16m. Delta provides one of the quickest options available for as low as $371. There are 1249 mi between Billings and San Antonio. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Billings to San Antonio round-trip?

    Flying on United Airlines is currently your cheapest option to San Antonio, with prices starting at $324. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $334 and $350, respectively. You may be able to fly from Billings to San Antonio for 36% less than the average price by searching for these airlines.

  • Can I find deals for flights from Billings to San Antonio that include hotel bookings?

    Yes. In addition to deals on Billings to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to San Antonio.

  • Can I find deals for business class flights from Billings to San Antonio?

    Yes. Cheapflights offers flight deals from Billings to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Billings to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Billings to San Antonio (average of $295). Flying from Billings to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

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

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Alternative routes for Billings to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Billings to San Antonio

Discover the top 3 airlines that operate flights from Billings to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$324Average$505FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$334Average$460FlexibilityNo cancel feeOn-time71%
DeltaCheapest$350Average$435FlexibilityNo cancel feeOn-timeN/A

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