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$329 Cheap Flights from Flint (FNT) to San Antonio (SAT)

View $329 flight on Sun, Oct 4, 2026Opens in a new window

Popular airlines from Bishop Intl. Airport (FNT) to San Antonio International Airport (SAT)

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Cheap Flights from Flint to San Antonio (FNT-SAT)

Prices were available within the past 7 days and start at $329 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Oct 4 - Tue, Oct 13
FNT
Flint
SAT
San Antonio
$339 Roundtrip, just found
$339
Roundtrip
just found
Select American Airlines flight, departing Sun, Oct 4 from Flint to San Antonio, returning Tue, Oct 13, priced at $339 just found
United
Sun, Oct 4 - Tue, Oct 13
FNT
Flint
SAT
San Antonio
$359 Roundtrip, just found
$359
Roundtrip
just found
Select United flight, departing Sun, Oct 4 from Flint to San Antonio, returning Tue, Oct 13, priced at $359 just found
United
Thu, Jan 14 - Sat, Jan 23
FNT
Flint
SAT
San Antonio
$364 Roundtrip, found 2 hours ago
$364
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Jan 14 from Flint to San Antonio, returning Sat, Jan 23, priced at $364 found 2 hours ago
United
Wed, Dec 2 - Wed, Dec 9
FNT
Flint
SAT
San Antonio
$369 Roundtrip, found 1 hour ago
$369
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Dec 2 from Flint to San Antonio, returning Wed, Dec 9, priced at $369 found 1 hour ago
American Airlines
Sun, Oct 4 - Tue, Oct 13
FNT
Flint
SAT
San Antonio
$374 Roundtrip, just found
$374
Roundtrip
just found
Select American Airlines flight, departing Sun, Oct 4 from Flint to San Antonio, returning Tue, Oct 13, priced at $374 just found
United
Sat, Feb 13 - Tue, Feb 16
FNT
Flint
SAT
San Antonio
$380 Roundtrip, found 16 hours ago
$380
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Feb 13 from Flint to San Antonio, returning Tue, Feb 16, priced at $380 found 16 hours ago
United
Sat, Feb 13 - Tue, Feb 16
FNT
Flint
SAT
San Antonio
$381 Roundtrip, found 16 hours ago
$381
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Feb 13 from Flint to San Antonio, returning Tue, Feb 16, priced at $381 found 16 hours ago
United
Thu, Jan 14 - Sat, Jan 23
FNT
Flint
SAT
San Antonio
$386 Roundtrip, found 2 hours ago
$386
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Jan 14 from Flint to San Antonio, returning Sat, Jan 23, priced at $386 found 2 hours ago
United
Sat, Feb 13 - Tue, Feb 16
FNT
Flint
SAT
San Antonio
$387 Roundtrip, found 16 hours ago
$387
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Feb 13 from Flint to San Antonio, returning Tue, Feb 16, priced at $387 found 16 hours ago
United
Sun, Sep 20 - Sun, Sep 27
FNT
Flint
SAT
San Antonio
$394 Roundtrip, found 16 hours ago
$394
Roundtrip
found 16 hours ago
Select United flight, departing Sun, Sep 20 from Flint to San Antonio, returning Sun, Sep 27, priced at $394 found 16 hours ago

Find the cheapest month to fly from Flint (FNT) to San Antonio (SAT)

May is typically the cheapest month to fly

From $288 - $438 per traveler.

What you need to know for your flight from Bishop Intl. to San Antonio Intl.

Flint (FNT) to San Antonio (SAT) at a glance

Explore a selection of airlines offering flights from Flint (FNT) to San Antonio (SAT) on this domestic short-haul route. Compare different options from full-service carriers to find the itinerary that aligns with your budget and schedule as you prepare to discover San Antonio's renowned attractions and neighborhoods. Get all the essential details for your journey from Bishop International Airport (FNT) to San Antonio International Airport (SAT).

  • Fastest flight duration: around 4h 45m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 1,200 miles (1,930 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $135–$390, depending on seasonality and how far ahead you book

Flights from Bishop International Airport (FNT) to San Antonio International Airport (SAT)

Based on the latest traveler bookings, here are the top airlines flying from Flint to San Antonio, often selected for one-stop and multi-stop flights. A common layover occurs at O'Hare International Airport (ORD), which typically has a 1 hour and 30 minute wait. This variety allows you to balance price, total travel time, and cabin class to craft the ideal itinerary for your journey.

  • United: As a comprehensive airline providing one-stop travel options, United represents about 69% of departures along this route, with one-way ticket prices generally between $135 and $365. The in-flight duration is approximately 4 hours and 45 minutes, while the overall trip time, including layover, is around 6 hours and 15 minutes.
  • American Airlines: This full-service airline offers both one-stop and multi-stop itineraries, accounting for roughly 31% of departures on this route. One-way fares range from $140 to $400, with a typical 1-stop flight time of 4 hours and 45 minutes, leading to a total travel duration of about 6 hours and 15 minutes.

Best time to fly from Flint (FNT) to San Antonio (SAT)

The most popular months for travelers flying from Flint to San Antonio are January, March, and April, when peak temperatures in San Antonio reach up to 70°F in April. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 61.7°F. For better deals, June usually offers the lowest average one-way fare around $181. Flight availability peaks in March, with approximately 9 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: June usually offers good deals with average one-way fare around $181, roughly 20% cheaper than the yearly average.
  • Another budget-friendly time to fly: October typically offers an average one-way fare of around $201.
  • Most flight options: March has the highest number of flights from Flint to San Antonio, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January53.2°F (11.8°C)High8$208
February56.1°F (13.4°C)Average8$209
March63.7°F (17.6°C)High9$249
April70.0°F (21.1°C)High8$223
May76.3°F (24.6°C)Low7$214
June82.8°F (28.2°C)Average7$181
July85.3°F (29.6°C)Average7$223
August86.5°F (30.3°C)Low7$247
September81.0°F (27.2°C)Average7$263
October72.5°F (22.5°C)Average8$201
November61.7°F (16.5°C)Low7$210
December55.6°F (13.1°C)Average7$325

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Flint (FNT) to San Antonio (SAT)

  • Flint to Austin (FNT-AUS): Austin-Bergstrom International Airport (AUS) lies approximately 67 miles from San Antonio International Airport (SAT). One-way economy prices on this route generally fall between $130 and $440, influenced by the season and advance booking. Travelers can choose from both one-stop and multi-stop flight options, predominantly connecting through O'Hare International Airport (ORD). Major airlines serving this route include American Airlines and United.
  • Detroit to San Antonio (DTW-SAT): Detroit Metropolitan Wayne County Airport (DTW) is located roughly 56 miles from Bishop International Airport (FNT). One-way economy fares for this journey typically range from $125 to $450, depending on the season and how early you make your reservation. Flights are available as both non-stop and one-stop services. Leading airlines on this route include Delta and Southwest Airlines, known for its budget-friendly options. First-class service is also offered on this route.

How to find the best prices for flights from Flint (FNT) to San Antonio (SAT)

Getting some of the best deals on flights from Flint to San Antonio is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking within two weeks, although most travelers reserve their flights two to eight weeks in advance. Departures in the afternoon (12 PM to 6 PM) often offer lower prices, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Saturday usually provides cheaper rates, though Thursday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at San Antonio International Airport from Bishop International Airport

San Antonio welcomes travelers from Flint with a range of transport options based on price, convenience, and proximity. Here's how to reach San Antonio efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in San Antonio, with private rides that can be arranged in advance.
  • Car rental: Renting a car from San Antonio International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at San Antonio International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From San Antonio International Airport, San Antonio Seaport, a seaport, is located about 0.4 miles away, while San Antonio Station, a train station, is approximately 7.5 miles from the airport.

Frequently asked questions

How much does a flight from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) cost?
You can find cheap one-way flights from $329 and cheap return flights from $339 Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) with Expedia. One-way flights generally range between $289 and $653, and roundtrip flights usually range from $354 to $1424. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The cheapest month to fly from FNT to SAT is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
Enter FNT to SAT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Flint, MI (FNT) to San Antonio, TX (SAT) with a layover in Chicago (ORD), starting from around $268. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
To find a cheap flight from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The earliest flight from Flint (FNT) to San Antonio (SAT) usually departs at around 5:25 AM, operated by American Airlines. This is a seasonal service active in December, and an early departure can help you maximize your time in Texas. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The most popular departure times for flights from Bishop Intl. (FNT) to San Antonio Intl. (SAT) are in the early morning, from 6am to 9am. About 50% of passengers prefer this time window. Many major carriers, including United Airlines, operate during this period. This timing is favored as it allows you to start your day early and arrive in San Antonio with plenty of time to explore.
How long does it take to fly from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
A flight from FNT to SAT with a layover takes around 6 hours 30 minutes, with the route covering approximately 1,236 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
First class seats are offered on the FNT to SAT route with American Airlines and United Airlines.
How do I earn miles on a Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight with Expedia?
It's easy to earn miles on a Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Antonio from Bishop Intl. (FNT)?
If you're planning to travel to San Antonio from Bishop Intl. (FNT), you can fly into San Antonio Intl. (SAT) Some flights may connect through major hubs like O'Hare Intl. (ORD) before reaching San Antonio. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) at the last minute?
Typically, booking a last minute flight from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package?
Securing a Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) San Antonio Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
If you booked your Flint, MI (FNT-Bishop Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Bishop Intl.
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, United
Roundtrip price
$338
Distance
1235 mi

Book with confidence

Flint to San Antonio Flights

The cheapest times to fly from Flint to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Flint to San Antonio are during the month of October. You can find some of the cheapest flights from Flint to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Flint to San Antonio

Sunday is one of the best days to book for cheap flights from Flint to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Flint to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Flint to San Antonio in 2026. You can also book with separate airlines for your outbound and return journeys, from $329 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Flint to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Flint to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Flint to San Antonio Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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