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$205+ Cheap flights from Billings to San Antonio (BIL - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SAT
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$341
(American Airlines)

One-way from

$205
(Alaska Airlines)

Popular in

March

Cheapest in

May

Average price

$528
From Billings Logan Intl to San Antonio
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One-way flight from Billings Logan Intl to San Antonio
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Highest demand for flights based on searches. 13% potential increase in price ($78 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 July 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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 9/251:59 pmBIL - SAT
1 stop7h 45mAmerican Airlines
Sun 9/287:00 amSAT - BIL
1 stop7h 29mAmerican Airlines
Deal found 6/30$341
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 7/245:20 amBIL - SAT
1 stop7h 20mDelta
Sun 7/276:07 pmSAT - BIL
1 stop6h 03mDelta
Deal found 7/1$351
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 7/245:55 pmBIL - SAT
1 stop5h 04mUnited Airlines
Sun 7/275:30 amSAT - BIL
2 stops8h 47mUnited Airlines
Deal found 7/1$386
This Mytrip deal was found by Cheapflights users on 6/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1410:26 pmBIL - SAT
3 stops37h 40mMultiple Airlines
Fri 7/187:10 amSAT - BIL
3 stops15h 26mMultiple Airlines
Deal found 6/29$558

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 July 1, 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

Thu 9/25

1:59 pm-10:44 pm

1 stop7h 45m

San Antonio

Sun 9/28

7:00 am-1:29 pm

1 stop7h 29m

$341

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Thu 7/24

5:20 am-1:40 pm

1 stop7h 20m

San Antonio

Sun 7/27

6:07 pm-11:10 pm

1 stop6h 03m

$351

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 7/29

5:55 pm-11:59 pm

1 stop5h 04m

San Antonio

Tue 8/5

2:15 pm-10:47 pm

2 stops9h 32m

$356

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Mon 7/14

10:26 pm-1:06 pm

3 stops37h 40m

San Antonio

Fri 7/18

7:10 am-9:36 pm

3 stops15h 26m

$558

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Wed 7/16

7:17 pm-5:40 am

1 stop9h 23m

$205

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Wed 7/16

5:20 am-2:30 pm

2 stops8h 10m

$211

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Sat 7/19

5:00 am-3:25 pm

2 stops9h 25m

$236

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Mon 7/7

6:42 am-2:31 pm

1 stop6h 49m

$321

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Mon 7/7

10:26 pm-1:06 pm

3 stops37h 40m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 July 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Flying on American Airlines is currently your cheapest option to San Antonio, with prices starting at $341. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $351 and $356, respectively. You may be able to fly from Billings to San Antonio for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Billings to San Antonio one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $205. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Billings to San Antonio for a low price.

  • 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 Billings?

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$460FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$333Average$499FlexibilityNo cancel feeOn-time69%
DeltaCheapest$350Average$487FlexibilityNo cancel feeOn-timeN/A

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