301 € Cheap Flights from Flint to San Antonio International

Compare Flint to San Antonio International flight deals

Find the cheapest month or even day of the year to fly to San Antonio International

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Flight deals from Flint to San Antonio International

Looking for a cheap last-minute deal or the best return flight from Flint Airport to San Antonio International Airport? If you want to travel next month, return fares start from 301 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Flint to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Flint to San Antonio International flights are currently cheapest in August.

Flint to San Antonio International: Alternative routes

Compare routes from Flint to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Flint to San Antonio: Flight information

The things to know before you go.
Cheapest flight found301 €
Cheapest month to flyAugust

Finding cheap flights from Flint to San Antonio International: Frequently asked questions

The best price we found for a return flight from Flint to San Antonio International is 301 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Flint to San Antonio International. But we found flights with one or more stops from 301 €.
As of July 2026, there are no flights flying from Flint to San Antonio International.
The cheapest month to fly from Flint to San Antonio International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Flint Airport to San Antonio International Airport on Thursday, 6 August 2026.
No airlines currently offer direct flights between Flint Airport and San Antonio International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, United offers the cheapest flight tickets to San Antonio International.

Travelling from Flint Airport (FNT) to San Antonio International Airport (SAT): what you need to know

  • The timezone in San Antonio is UTC-6, which is one hour behind Flint.

  • Arrive at the airport on time so you don't miss your FNT to SAT flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • You'll likely experience longer lines in popular months like April. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a good idea.

  • Think about adding a stopover when booking your ticket from Flint Airport to San Antonio International Airport. Just uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Here's where you can stop between FNT and SAT:

    • Chicago O'Hare International Airport

    • Harry Reid International Airport

    • Nashville Airport

How to find the cheapest flights from Flint Airport (FNT) to San Antonio International Airport (SAT)

  • 202 € is currently the lowest price for a one-way Flint Airport to San Antonio International Airport flight. Return flights start from 301 €. These fares may change based on demand and availability.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from FNT to SAT if you book early. Airlines often have some fantastic early bird discounts.

  • The 'Whole month' tool shows you the cheapest flights from Flint Airport to San Antonio International Airport across the month. It's a great way to snap up a bargain if your trip dates aren't set in stone.

  • Spend less time searching for cheap flights from FNT to SAT by setting up a Price Alert. You'll get an email or notification through the app when a lower fare pops up.

  • Tailor your trip with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Flint Airport to San Antonio International Airport.

Handy information about Flint Airport (FNT)

  • FNT is located at G-3425 West Bristol Road.

  • When it comes to Flint Airport's on-time performance, 68% of flights arrive within the expected timeframe.

  • Flint Airport is around 16 kilometres from central Flint. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of around 50 minutes on public transport.

  • Get your break off to a stress-free start by staying near FNT. Whether you're boarding an early flight from Flint Airport to San Antonio International Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at San Antonio International Airport (SAT)

When to fly to San Antonio International Airport (SAT)

  • July is the most popular month for flights from Flint Airport to San Antonio International Airport. To avoid the crowds, head to San Antonio in March.

  • Book your flight from Flint Airport to San Antonio International Airport for August if you'd like to visit San Antonio during its warmest month. Expect temperatures of between 24ºC (75ºF) and 40ºC (104ºF).

  • January sees average temperatures of between 4ºC (39ºF) and 20ºC (68ºF). Search for cheap tickets from FNT to SAT sometime then if you want to travel in cooler conditions.

Explore more of the United States

  • You've visited San Antonio, now it's time to discover other corners of the United States. Journey about 306 kilometres east to Houston to check off its leading sights. From The Museum of Fine Arts, Houston, Beck Building to Houston Museum of Natural Science and The Menil Collection, there's plenty to keep you busy.

  • Around 402 kilometres north-east of San Antonio, Dallas is another essential stop in the United States. Get a taste of what this destination has to offer at Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.