HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$329+ Cheap flights from Flint to San Antonio (FNT - 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — SAT
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Flint to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 23, 2026.

This American Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 8/185:45 pm
FNT
-
SAT
1 stop8h 03m
American Airlines
Mon 8/246:52 pm
SAT
-
FNT
1 stop5h 01m
American Airlines
Deal found 7/19$329
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 8/185:45 pm
FNT
-
SAT
1 stop8h 03m
American Airlines
Tue 9/16:52 pm
SAT
-
FNT
1 stop5h 01m
American Airlines
Deal found 7/22$339
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 8/75:45 pm
FNT
-
SAT
1 stop7h 55m
American Airlines
Tue 8/116:52 pm
SAT
-
FNT
1 stop5h 01m
American Airlines
Deal found 7/18$364
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/46:32 pm
FNT
-
SAT
1 stop5h 18m
United Airlines
Sat 9/2611:47 am
SAT
-
FNT
2 stops11h 08m
United Airlines
Deal found 7/22$368
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Fri 9/45:45 pm
FNT
-
SAT
1 stop7h 55m
American Airlines
Sat 9/265:00 am
SAT
-
FNT
2 stops11h 29m
American Airlines
Deal found 7/18$392
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/186:32 pm
FNT
-
SAT
1 stop5h 18m
United Airlines
Mon 8/242:15 pm
SAT
-
FNT
2 stops8h 36m
United Airlines
Deal found 7/20$410
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 11/45:37 pm
FNT
-
SAT
2 stops15h 52m
American Airlines
Sat 11/143:04 pm
SAT
-
FNT
1 stop7h 31m
American Airlines
Deal found 7/21$412
This United Airlines deal was found by Cheapflights users on 7/19. 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 8/66:30 am
FNT
-
SAT
1 stop6h 59m
United Airlines
Sun 8/95:30 am
SAT
-
FNT
2 stops6h 53m
United Airlines
Deal found 7/19$418
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/186:32 pm
FNT
-
SAT
1 stop5h 18m
United Airlines
Tue 9/112:00 pm
SAT
-
FNT
2 stops10h 51m
United Airlines
Deal found 7/22$420
This United Airlines deal was found by Cheapflights users on 7/18. 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 8/76:30 am
FNT
-
SAT
1 stop6h 42m
United Airlines
Tue 8/112:15 pm
SAT
-
FNT
2 stops8h 36m
United Airlines
Deal found 7/18$422
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/56:32 pm
FNT
-
SAT
1 stop5h 19m
United Airlines
Wed 9/912:00 pm
SAT
-
FNT
2 stops10h 51m
United Airlines
Deal found 7/20$424

Find 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$334
Provider with most accurate pricing for Flint Bishop-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-San Antonio flights.
Search Deals
From Flint Bishop to San Antonio
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 23, 2026.
Use the filters below to find and compare flights from Flint to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Wed 9/16

5:59 pm-11:55 pm

1 stop6h 56m

San Antonio

Sun 9/20

3:02 pm-12:25 am

1 stop8h 23m

$329
Quickest round-trip

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 9/4

6:32 pm-10:50 pm

1 stop5h 18m

San Antonio

Sat 9/26

5:33 pm-11:55 pm

1 stop5h 22m

$339

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Thu 8/6

6:30 am-12:29 pm

1 stop6h 59m

San Antonio

Sun 8/9

5:30 am-1:23 pm

2 stops6h 53m

$418

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Sat 9/5

6:32 pm-10:51 pm

1 stop5h 19m

San Antonio

Wed 9/9

6:30 am-2:46 pm

1 stop7h 16m

$419

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 9/4

6:32 pm-10:50 pm

1 stop5h 18m

San Antonio

Mon 9/7

5:27 pm-11:51 pm

1 stop5h 24m

$419

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 9/11

6:30 pm-10:51 pm

1 stop5h 21m

San Antonio

Sun 9/13

6:30 am-2:46 pm

1 stop7h 16m

$419

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Tue 8/18

6:32 pm-10:50 pm

1 stop5h 18m

San Antonio

Tue 9/1

12:00 pm-11:51 pm

2 stops10h 51m

$420

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 8/7

6:30 am-12:12 pm

1 stop6h 42m

San Antonio

Tue 8/11

2:15 pm-11:51 pm

2 stops8h 36m

$422
Cheapest one-way

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 8/7

4:53 pm-9:15 am

2 stops41h 22m

$334

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Tue 8/25

5:30 am-3:43 pm

2 stops11h 13m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Flint 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 Flint to San Antonio in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Flint-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flint-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Flint-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flint-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub 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 Flint-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 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

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

Currently, September is the cheapest month in which you can book a flight from Flint to San Antonio (average of $274). Flying from Flint to San Antonio in December is currently the most expensive (average of $548). 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 Flint to San Antonio?

Airfare is typical for this route at the moment.

Flint to San Antonio flights typically cost between $319 and $434 in August.
The cheapest round-trip price found within the last 5 days was $329 on American Airlines (Aug 18-Aug 24).

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 23, 2026.
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
10,024 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Isaac,May 2024

SHV - IAH

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport
United Airlines
7.4
Good
10,024 reviews
United Airlines
7.4
Good
10,024 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Isaac,May 2024

SHV - IAH

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport
American Airlines
7.1
Good
11,832 reviews
United Airlines
7.4
Good
10,024 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Isaac,May 2024

SHV - IAH

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

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 to San Antonio?

    There are many flights that can get you from Flint to San Antonio in 5h 18m. Fly via American Airlines or United Airlines to get the fastest option. Airlines will cover a distance of 1234 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Flint 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. Users have found that American Airlines is 27% cheaper than the other options available to this destination.

  • 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 to San Antonio?

    Currently, September is the cheapest month in which you can book a flight from Flint to San Antonio (average of $274). Flying from Flint to San Antonio in December is currently the most expensive (average of $548). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Flint to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Dallas/Fort Worth flights
Detroit to Dallas/Fort Worth flights
O'Hare Intl to Hobby flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to George Bush Intcntl flights
Detroit to Hobby flights
Detroit to George Bush Intcntl flights
O'Hare Intl to Austin flights
Midway to Hobby flights
O'Hare Intl to San Antonio flights
Midway to Love Field flights
Detroit to Austin flights
Midway to George Bush Intcntl flights
Grand Rapids to Dallas/Fort Worth flights
Grand Rapids to Hobby flights
O'Hare Intl to Love Field flights
Midway to Austin flights
Detroit to San Antonio flights
South Bend to Dallas/Fort Worth flights
Grand Rapids to George Bush Intcntl flights
O'Hare Intl to El Paso flights
Midway to San Antonio flights
South Bend to Hobby flights
Grand Rapids to Austin flights
South Bend to George Bush Intcntl flights
Flint to Dallas/Fort Worth flights
Grand Rapids to Love Field flights
Grand Rapids to San Antonio flights
Traverse City to Dallas/Fort Worth flights
O'Hare Intl to Laredo flights
Bay City to Dallas/Fort Worth flights
Midway to El Paso flights
Flint to Hobby flights
South Bend to San Antonio flights
Flint to George Bush Intcntl flights
South Bend to Love Field flights
O'Hare Intl to Corpus Christi flights
O'Hare Intl to Lubbock flights
South Bend to Austin flights
O'Hare Intl to Harlingen flights
Kalamazoo to Dallas/Fort Worth flights
Traverse City to Hobby flights
Kalamazoo to San Antonio flights
Detroit to McAllen flights
Kalamazoo to Austin flights
Grand Rapids to El Paso flights
O'Hare Intl to McAllen flights

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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$348FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$373FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.