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$320+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — SAT
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Delta deal was found by Cheapflights users on 11/1. 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.
Wed 11/195:18 amBIL - SAT
1 stop7h 31mDelta
Mon 11/246:13 pmSAT - BIL
1 stop6h 11mDelta
Deal found 11/1$411
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 11/186:00 amBIL - SAT
1 stop10h 55mAlaska Airlines
Fri 11/216:30 amSAT - BIL
1 stop18h 58mAlaska Airlines
Deal found 11/2$475
This Delta deal was found by Cheapflights users on 11/2. 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.
Tue 11/185:18 amBIL - SAT
1 stop7h 31mDelta
Fri 11/216:13 pmSAT - BIL
1 stop6h 12mDelta
Deal found 11/2$476
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 11/197:00 amBIL - SAT
2 stops7h 29mUnited Airlines
Mon 11/244:24 pmSAT - BIL
2 stops7h 25mUnited Airlines
Deal found 11/1$501
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 11/175:18 amBIL - SAT
2 stops8h 28mDelta
Fri 11/215:06 pmSAT - BIL
2 stops8h 04mDelta
Deal found 11/2$516
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 11/185:00 amBIL - SAT
2 stops7h 04mUnited Airlines
Fri 11/2111:40 amSAT - BIL
2 stops10h 38mUnited Airlines
Deal found 11/1$566
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/62:00 pmBIL - SAT
1 stop5h 51mAmerican Airlines
Sat 11/84:30 pmSAT - BIL
1 stop5h 48mAmerican Airlines
Deal found 11/2$739
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/65:00 amBIL - SAT
1 stop6h 56mUnited Airlines
Sat 11/85:30 amSAT - BIL
2 stops8h 53mUnited Airlines
Deal found 11/2$744

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$411
(Delta)

One-way from

$193
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$370
Provider with most accurate pricing for Billings Logan Intl-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-San Antonio flights.
Search Deals
From Billings Logan Intl to San Antonio
Search Deals
One-way flight from Billings Logan Intl to San Antonio
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 3, 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

Mon 2/23

10:22 am-5:09 am

1 stop17h 47m

San Antonio

Thu 2/26

3:03 pm-9:32 am

2 stops19h 29m

$320

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 2/10

7:00 am-5:45 pm

1 stop9h 45m

San Antonio

Tue 2/24

7:00 pm-12:51 pm

1 stop18h 51m

$371

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 3/6

5:51 pm-11:57 pm

1 stop5h 06m

San Antonio

Tue 3/10

8:55 am-1:13 pm

1 stop5h 18m

$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

6:05 pm-10:27 pm

1 stop5h 22m

$371

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Tue 2/10

10:52 am-9:21 pm

2 stops9h 29m

San Antonio

Tue 2/24

9:10 am-1:23 pm

1 stop5h 13m

$376

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Fri 3/6

6:07 pm-12:41 am

1 stop5h 34m

San Antonio

Tue 3/10

6:30 am-5:52 pm

2 stops12h 22m

$389

BillingsSan Antonio

BIL - SAT

BILSAT

Billings Logan Intl

Wed 11/19

5:18 am-1:49 pm

1 stop7h 31m

San Antonio

Mon 11/24

5:59 pm-12:10 am

1 stop7h 11m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Compare providers for flights from Billings to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to San Antonio in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Billings-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Billings-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Billings-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, June is the cheapest month in which you can book a flight from Billings to San Antonio (average of $214). Flying from Billings to San Antonio in March is currently the most expensive (average of $394). 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.

How much does it cost to fly round-trip from Billings to San Antonio?

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 November 3, 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
7.9
Good
8,002 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,038 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 4h 50m. Alaska Airlines 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 $350. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $350 and $363, respectively. You may be able to fly from Billings to San Antonio for 31% 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, June is the cheapest month in which you can book a flight from Billings to San Antonio (average of $214). Flying from Billings to San Antonio in March is currently the most expensive (average of $394). 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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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$350Average$484FlexibilityNo cancel feeOn-time69%
DeltaCheapest$350Average$435FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$363Average$556FlexibilityNo cancel feeOn-time71%

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