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$137+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$351
(American Airlines)

One-way from

$137
(Mytrip)

Popular in

March

Cheapest in

May

Average price

$456
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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 26mAmerican Airlines
Deal found 6/12$351
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 7/305:20 amBIL - SAT
2 stops8h 10mDelta
Sun 8/36:03 pmSAT - BIL
1 stop7h 04mDelta
Deal found 6/12$356
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/125:55 pmBIL - SAT
1 stop5h 04mUnited Airlines
Tue 7/154:36 pmSAT - BIL
1 stop7h 11mUnited Airlines
Deal found 6/11$382
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Wed 6/256:39 pmBIL - SAT
1 stop9h 21mMultiple Airlines
Sun 6/2910:57 pmSAT - BIL
1 stop23h 37mMultiple Airlines
Deal found 6/10$383
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 9/253:43 pmBIL - SAT
2 stops26h 03mAlaska Airlines
Sun 9/287:42 pmSAT - BIL
2 stops18h 42mAlaska Airlines
Deal found 6/10$559

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 June 12, 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-1:26 pm

1 stop7h 26m

$351

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Wed 7/30

5:20 am-2:30 pm

2 stops8h 10m

San Antonio

Sun 8/3

6:03 pm-12:07 am

1 stop7h 04m

$356

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Sat 7/12

5:55 pm-11:59 pm

1 stop5h 04m

San Antonio

Tue 7/15

4:36 pm-10:47 pm

1 stop7h 11m

$382

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Wed 6/25

6:39 pm-5:00 am

1 stop9h 21m

San Antonio

Sun 6/29

10:57 pm-9:34 pm

1 stop23h 37m

$383

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Thu 9/25

3:43 pm-6:46 pm

2 stops26h 03m

San Antonio

Sun 9/28

7:42 pm-1:24 pm

2 stops18h 42m

$559

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 7/11

10:26 pm-10:08 am

1 stop10h 42m

$137

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Thu 7/10

5:20 am-1:40 pm

1 stop7h 20m

$176

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Thu 7/10

2:35 pm-10:59 pm

2 stops7h 24m

$181

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 6/24

7:17 pm-5:40 am

1 stop9h 23m

$255

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 6/24

12:36 pm-11:03 pm

2 stops9h 27m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

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 $351. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $356 and $382, respectively. You may be able to fly from Billings to San Antonio for 31% 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 Delta, with whom users have recently found tickets for as low as $176. However, be on the lookout for offers from United Airlines and Hawaiian 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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New Braunfels

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$460FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$333Average$487FlexibilityNo cancel feeOn-time69%
DeltaCheapest$356Average$528FlexibilityNo cancel feeOn-timeN/A

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