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$230+ Cheap flights from Flint, MI to San Antonio (FNT - 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — SAT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Flint Bishop to San Antonio are usually found in September or June, booked 64 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Flint to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) 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 September 17, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$230
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$279
From Flint Bishop to San Antonio
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One-way flight from Flint Bishop to San Antonio
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Highest demand for flights based on searches. 11% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 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 Flint to San Antonio

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

This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 11/234:42 pmFNT - SAT
1 stop7h 34mUnited Airlines
Tue 12/22:12 pmSAT - FNT
1 stop7h 18mUnited Airlines
Deal found 9/16$269
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/34:43 pmFNT - SAT
1 stop7h 12mUnited Airlines
Sat 10/46:45 amSAT - FNT
1 stop5h 41mUnited Airlines
Deal found 9/16$319
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/174:43 pmFNT - SAT
1 stop7h 12mUnited Airlines
Mon 10/205:30 amSAT - FNT
2 stops6h 56mUnited Airlines
Deal found 9/17$379
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.
Wed 11/197:00 amFNT - SAT
1 stop6h 25mUnited Airlines
Sat 11/227:05 amSAT - FNT
1 stop5h 20mUnited Airlines
Deal found 9/15$383
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/14:42 pmFNT - SAT
1 stop7h 13mUnited Airlines
Sun 10/56:45 amSAT - FNT
1 stop5h 41mUnited Airlines
Deal found 9/16$399
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 11/235:30 amFNT - SAT
2 stops9h 40mAmerican Airlines
Tue 12/28:17 amSAT - FNT
2 stops10h 03mAmerican Airlines
Deal found 9/16$400

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flint 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 September 17, 2025.
Use the filters below to find and compare flights from Flint to San Antonio that are best for you.

Fly from

Flint

Fly to

San Antonio

Route

Depart

Return

Price

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Sun 11/23

4:42 pm-11:16 pm

1 stop7h 34m

San Antonio

Tue 12/2

2:12 pm-10:30 pm

1 stop7h 18m

$269

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 10/3

4:43 pm-10:55 pm

1 stop7h 12m

San Antonio

Sat 10/4

6:45 am-1:26 pm

1 stop5h 41m

$319

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 10/17

4:43 pm-10:55 pm

1 stop7h 12m

San Antonio

Mon 10/20

5:30 am-1:26 pm

2 stops6h 56m

$379

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Wed 11/19

7:00 am-12:25 pm

1 stop6h 25m

San Antonio

Sat 11/22

7:05 am-1:25 pm

1 stop5h 20m

$383

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Wed 10/1

4:42 pm-10:55 pm

1 stop7h 13m

San Antonio

Sun 10/5

6:45 am-1:26 pm

1 stop5h 41m

$399

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Sun 11/23

5:30 am-2:10 pm

2 stops9h 40m

San Antonio

Tue 12/2

8:17 am-7:20 pm

2 stops10h 03m

$400

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 10/10

2:00 pm-11:40 pm

1 stop10h 40m

$230

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 10/3

2:00 pm-8:52 pm

1 stop31h 52m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Flint to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Flint 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 Flint to San Antonio

How far ahead should I book a flight from Flint, Michigan to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Flint to San Antonio. Price data was last updated on September 12, 2025.

The best time to book flights from Flint, Michigan to San Antonio is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Flint, Michigan to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Flint, Michigan to San Antonio (average of $295). Flying from Flint, Michigan 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.

What is the cheapest time of day to fly from FNT to SAT?

Find hourly flight availability from Flint to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

One of the essential ways to save on airfare from Flint, Michigan to San Antonio is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 24% on airfare.

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 September 17, 2025.
See what other customers who have flown with United Airlines and American Airlines from Flint to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Flint 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 Flint, Michigan to San Antonio?

    For as low as $269, United Airlines can have you in San Antonio from Flint, Michigan in 7h 34m. Airlines will cover a distance of 1234 mi.

  • What are the cheapest airlines flying from Flint, Michigan to San Antonio round-trip?

    Our cheapest airline available from Flint, Michigan to San Antonio is American Airlines. Our recent data shows that you can find tickets from as low as $268 on this airline. An additional option worth looking into is United Airlines, starting at $268. American Airlines is currently priced 27% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Flint 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 Flint, Michigan to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Flint, Michigan to San Antonio (average of $295). Flying from Flint, Michigan 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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Top 2 airlines flying from Flint to San Antonio

Discover the top 2 airlines that operate flights from Flint 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$345FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$399FlexibilityNo cancel feeOn-time69%

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