Cheap Flights from Madison to San Antonio International

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

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Flight deals from Madison Airport to San Antonio International Airport

Looking for a cheap last-minute deal or the best return flight from Madison Airport to San Antonio International Airport? If you want to travel next month, return fares start from $1,540. Find the lowest prices on one-way and return tickets right here.

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

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

Madison to San Antonio International: Alternative routes

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

Madison to San Antonio: Flight information

The things to know before you go.
Cheapest flight found$441
Cheapest month to flyApril

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

The best price we found for a return flight from Madison to San Antonio International is $441. 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 Madison to San Antonio International. But we found flights with one or more stops from $440.
As of January 2026, there are no flights flying from Madison to San Antonio International.
The cheapest month to fly from Madison to San Antonio International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Madison Airport to San Antonio International Airport on Wednesday, 29 April 2026.
No airlines currently offer direct flights between Madison 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, Delta offers the cheapest flight tickets to San Antonio International.

Flying from Dane County Regional Airport (MSN) to San Antonio International Airport (SAT): what you need to know

  • San Antonio's timezone is UTC-5, which is the same as Madison.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your MSN to SAT flight.

  • Travelling during a peak time such as August? Major public holidays and other popular periods can result in longer lines at security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

  • If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Dane County Regional Airport to San Antonio International Airport. Here are the top stopovers between MSN and SAT:

    • O'Hare International Airport

    • Dallas/Fort Worth International Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from Dane County Regional Airport (MSN) to San Antonio International Airport (SAT)

  • The lowest price we've seen for a one-way Dane County Regional Airport to San Antonio International Airport flight is $429. A round-trip fare is currently $441. Depending on the availability and when you book, these fares can change.

  • To find cheap tickets from MSN to SAT, book as early as you can. Airlines usually offer the most competitive fares when flights are first made available.

  • Getting cheap flights from Dane County Regional Airport to San Antonio International Airport is more likely if you can be flexible with your dates. Use the 'Whole month' tool to see the best prices across each month and snap up a great deal.

  • Save time looking for cheap flights from MSN to SAT by setting up a Price Alert. You'll receive an email or push notification on the app when a special offer becomes available.

  • Tailor your flights using filters. Pick your preferred departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Dane County Regional Airport to San Antonio International Airport.

Handy information about Dane County Regional Airport (MSN)

  • MSN is located at 4000 International Lane.

  • 77.89% of flights that take off from Dane County Regional Airport land at their destination on schedule.

  • Central Madison to Dane County Regional Airport is approximately 14 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • You can expect a trip time of around 1 hour 10 minutes when using public transport.

  • Get your journey off to a hassle-free start by staying near MSN. Whether you're taking an early flight from Dane County Regional Airport to San Antonio International Airport or just don't like being rushed, these hotels have you covered:

Arriving at San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • You'll find SAT at 9800 Airport Boulevard.

  • San Antonio International Airport to the centre of San Antonio has a drive time of around 20 minutes. It's approximately 19 kilometres away.

  • If you're taking public transport, expect a journey time of around 1 hour 30 minutes.

When to fly to San Antonio International Airport (SAT)

  • It's time to plan your travel dates for your flight from Dane County Regional Airport to San Antonio International Airport. July is the most popular month to head to San Antonio. If you'd like a more low-key vibe, go in April.

  • Before locking in your flight from Dane County Regional Airport to San Antonio International Airport, think about the type of weather you enjoy. August is the warmest month in San Antonio, with temperatures ranging from 23ºC to 40ºC.

  • Look for cheap tickets from MSN to SAT in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 3ºC and 20ºC on average.

Explore more of United States

  • San Antonio is always a good idea, but there are so many other parts of United States you should also see. Around 306 kilometres east of San Antonio, a trip to Houston will fill your itinerary to the brim. Check out popular attractions like The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • If you're interested in discovering another side of United States, consider Dallas, roughly 402 kilometres north-east of San Antonio. Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.