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San Antonio

$309+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — SAT
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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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 March 11, 2026.

This United Airlines deal was found by Cheapflights users on 3/9. 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 5/63:34 pm
FNT
-
SAT
1 stop8h 20m
United Airlines
Tue 5/122:00 pm
SAT
-
FNT
1 stop7h 34m
United Airlines
Deal found 3/9$309
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:33 pm
FNT
-
SAT
1 stop5h 26m
American Airlines
Mon 5/116:10 am
SAT
-
FNT
2 stops11h 53m
American Airlines
Deal found 3/10$314
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:09 am
FNT
-
SAT
1 stop7h 10m
United Airlines
Mon 5/116:49 am
SAT
-
FNT
1 stop7h 10m
United Airlines
Deal found 3/10$348
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/33:36 pm
FNT
-
SAT
1 stop8h 18m
United Airlines
Mon 7/66:40 am
SAT
-
FNT
1 stop7h 21m
United Airlines
Deal found 3/8$349
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:30 am
FNT
-
SAT
1 stop6h 40m
United Airlines
Thu 11/55:00 pm
SAT
-
FNT
1 stop5h 03m
United Airlines
Deal found 3/10$356
This American Airlines deal was found by Cheapflights users on 3/8. 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 9/177:24 pm
FNT
-
SAT
1 stop4h 57m
American Airlines
Mon 9/218:13 am
SAT
-
FNT
1 stop4h 38m
American Airlines
Deal found 3/8$359
This United Airlines deal was found by Cheapflights users on 3/6. 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 6/253:36 pm
FNT
-
SAT
1 stop8h 18m
United Airlines
Mon 6/291:40 pm
SAT
-
FNT
1 stop8h 23m
United Airlines
Deal found 3/6$389
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/143:55 pm
FNT
-
SAT
1 stop8h 03m
United Airlines
Sun 4/196:49 am
SAT
-
FNT
1 stop7h 19m
United Airlines
Deal found 3/7$392
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/113:55 pm
FNT
-
SAT
2 stops8h 04m
United Airlines
Wed 4/156:49 am
SAT
-
FNT
1 stop7h 19m
United Airlines
Deal found 3/8$394

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(United Airlines)

Popular in

December

Cheapest in

June

Average price

$391
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. 13% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 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
Quickest round-trip

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 5/1

10:09 am-4:19 pm

1 stop7h 10m

San Antonio

Mon 5/11

6:49 am-2:59 pm

1 stop7h 10m

$348

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Thu 6/25

3:36 pm-10:54 pm

1 stop8h 18m

San Antonio

Mon 6/29

1:40 pm-11:03 pm

1 stop8h 23m

$389

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Tue 4/14

3:55 pm-10:58 pm

1 stop8h 03m

San Antonio

Sun 4/19

6:49 am-3:08 pm

1 stop7h 19m

$392

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Sat 4/11

3:55 pm-10:59 pm

2 stops8h 04m

San Antonio

Wed 4/15

6:49 am-3:08 pm

1 stop7h 19m

$394

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Tue 4/14

3:55 pm-10:58 pm

1 stop8h 03m

San Antonio

Wed 4/22

6:49 am-3:08 pm

1 stop7h 19m

$409

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 4/17

3:55 pm-10:58 pm

1 stop8h 03m

San Antonio

Tue 4/21

2:02 pm-10:48 pm

1 stop7h 46m

$409

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Mon 5/18

3:34 pm-10:54 pm

1 stop8h 20m

San Antonio

Mon 5/25

1:40 pm-11:03 pm

1 stop8h 23m

$412

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 4/17

3:55 pm-10:59 pm

2 stops8h 04m

San Antonio

Sat 4/18

6:49 am-3:08 pm

1 stop7h 19m

$414
Cheapest one-way
Quickest one-way

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Thu 3/19

5:46 pm-11:15 pm

1 stop6h 29m

$489

FlintSan Antonio

FNT - SAT

FNTSAT

Flint Bishop

Fri 3/27

3:30 pm-11:15 pm

1 stop8h 45m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first

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 March.
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 $98). Flying from Flint to San Antonio in January is currently the most expensive (average of $236). 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 March 11, 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
9,414 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,414 reviews
United Airlines
7.4
Good
9,414 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.1
Good
11,419 reviews
United Airlines
7.4
Good
9,414 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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 7h 10m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 1234 mi.

  • 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 23% 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 $98). Flying from Flint to San Antonio in January is currently the most expensive (average of $236). 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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Alternative routes for Flint to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$358FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$324FlexibilityNo cancel feeOn-time71%

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