What is the cheapest airline that flies from Wisconsin to San Antonio?

Spirit Airlines, Frontier, and Sun Country Air are the most popular carriers operating from Wisconsin to San Antonio

What airlines fly to San Antonio?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to San Antonio from Wisconsin according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 5 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

How many flights depart from Wisconsin to San Antonio on average per week?

As of February 2026, 105 flights take off from Wisconsin and land in San Antonio each week. The most common flight departure day for this route is Sun, with 24% of weekly flights taking off on this day.

How long does it take to fly to San Antonio?

Flight times vary depending on what airport in Wisconsin you fly out of and what airport in San Antonio you fly into. For example, flying from Milwaukee to Austin takes 2h 40m on average. On the other hand, flying from Appleton to Austin takes 4h 48m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Wisconsin to San Antonio Airport?

Prices for flights from Wisconsin to San Antonio Airport are updated daily.

How many operators does momondo search for flights from Wisconsin to San Antonio Airport?

There are 7 operators available for flights from Wisconsin to San Antonio Airport as of February 2026.

How old do you have to be to fly from Wisconsin to San Antonio Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$54 Cheap Flights from Wisconsin to San Antonio in 2026

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Find the cheapest flights from Wisconsin to San Antonio

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:29 pm - 8:58 pm

MSN

SAT

5h 29m

1 stop

5:45 pm - 10:27 pm

SAT

MSN

4h 42m

1 stop

$191American Airlines

Tue, May 5 - Sat, May 9

12:29 pm - 7:58 pm

MSN

SAT

7h 29m

1 stop

10:05 am - 6:56 pm

SAT

MSN

8h 51m

1 stop

$208Frontier

Mon, Mar 9 - Mon, Mar 16

12:03 pm - 9:24 am

MKE

SAT

21h 21m

1 stop

3:14 pm - 6:59 pm

SAT

MKE

27h 45m

1 stop

$212Frontier

Thu, May 7 - Sun, May 10

5:15 pm - 12:38 am

MSN

SAT

7h 23m

1 stop

5:10 am - 12:41 pm

SAT

MSN

7h 31m

1 stop

$237Delta

Tue, Mar 10 - Wed, Mar 18

10:54 am - 5:03 pm

MSN

SAT

6h 09m

1 stop

5:00 am - 10:39 am

SAT

MSN

5h 39m

1 stop

$246American Airlines

Wed, Mar 11 - Wed, Mar 18

5:15 pm - 12:38 am

MSN

SAT

7h 23m

1 stop

5:10 am - 12:41 pm

SAT

MSN

7h 31m

1 stop

$258Delta

Mon, Mar 9 - Tue, Mar 17

3:53 pm - 11:15 pm

MSN

SAT

7h 22m

1 stop

5:24 pm - 10:32 pm

SAT

MSN

5h 08m

1 stop

$260United Airlines

Sat, Mar 7 - Sat, Mar 14

2:50 pm - 10:57 pm

MSN

SAT

8h 07m

2 stops

5:24 pm - 10:32 pm

SAT

MSN

5h 08m

1 stop

$265United Airlines

Sat, Mar 7 - Sat, Mar 14

6:10 pm - 9:27 am

ORD

SAT

15h 17m

1 stop

10:22 am - 7:51 pm

SAT

ORD

9h 29m

1 stop

$278Spirit Airlines

Thu, Mar 26 - Tue, Mar 31

10:44 am - 11:59 pm

ORD

SAT

13h 15m

1 stop

6:00 am - 7:47 pm

SAT

ORD

13h 47m

1 stop

$280Spirit Airlines

Fri, Feb 20 - Sat, Feb 21

Frontier flights from Wisconsin to San Antonio

Our best Frontier deals on Wisconsin to San Antonio flight tickets

Frontier

Mar 9

MSN12:29 pmMadison Truax Field

7h 29m

1 stop

SAT7:58 pmSan Antonio

Mar 16

SAT10:05 amSan Antonio

8h 51m

1 stop

MSN6:56 pmMadison Truax Field

$208

Frontier

May 7

MKE12:03 pmMilwaukee-Mitchell

21h 21m

1 stop

SAT9:24 amSan Antonio

May 10

SAT3:14 pmSan Antonio

27h 45m

1 stop

MKE6:59 pmMilwaukee-Mitchell

$212

Frontier

Mar 6

MKE7:46 pmMilwaukee-Mitchell

13h 20m

1 stop

SAT9:06 amSan Antonio

Mar 9

SAT8:53 pmSan Antonio

20h 57m

1 stop

MKE5:50 pmMilwaukee-Mitchell

$259

Southwest flights from Wisconsin to San Antonio

Our best Southwest deals on Wisconsin to San Antonio flight tickets

Southwest

Mar 20

MKE4:55 pmMilwaukee-Mitchell

7h 55m

1 stop

SAT12:50 amSan Antonio

Mar 24

SAT4:20 pmSan Antonio

6h 20m

1 stop

MKE10:40 pmMilwaukee-Mitchell

$376

Southwest

Mar 3

MKE5:40 amMilwaukee-Mitchell

8h 50m

2 stops

SAT2:30 pmSan Antonio

Mar 6

SAT5:00 amSan Antonio

6h 35m

1 stop

MKE11:35 amMilwaukee-Mitchell

$377

Southwest

May 6

MKE8:00 amMilwaukee-Mitchell

9h 20m

2 stops

SAT5:20 pmSan Antonio

May 7

SAT5:45 amSan Antonio

9h 30m

2 stops

MKE3:15 pmMilwaukee-Mitchell

$394

Fly from

Fly to

Route

Depart

Return

Price

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Tue 5/5

3:29 pm-8:58 pm

1 stop5h 29m

San Antonio

Sat 5/9

5:45 pm-10:27 pm

1 stop4h 42m

$191

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Mon 3/9

12:29 pm-7:58 pm

1 stop7h 29m

San Antonio

Mon 3/16

10:05 am-6:56 pm

1 stop8h 51m

$208

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Thu 5/7

12:03 pm-9:24 am

1 stop21h 21m

San Antonio

Sun 5/10

3:14 pm-6:59 pm

1 stop27h 45m

$212

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Tue 3/10

5:15 pm-12:38 am

1 stop7h 23m

San Antonio

Wed 3/18

5:10 am-12:41 pm

1 stop7h 31m

$237

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Wed 3/11

10:54 am-5:03 pm

1 stop6h 09m

San Antonio

Wed 3/18

5:00 am-10:39 am

1 stop5h 39m

$246

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Mon 3/9

5:15 pm-12:38 am

1 stop7h 23m

San Antonio

Tue 3/17

5:10 am-12:41 pm

1 stop7h 31m

$258

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Sat 3/7

3:53 pm-11:15 pm

1 stop7h 22m

San Antonio

Sat 3/14

5:24 pm-10:32 pm

1 stop5h 08m

$260

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Sat 3/7

2:50 pm-10:57 pm

2 stops8h 07m

San Antonio

Sat 3/14

5:24 pm-10:32 pm

1 stop5h 08m

$265

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Thu 3/26

6:10 pm-9:27 am

1 stop15h 17m

San Antonio

Tue 3/31

10:22 am-7:51 pm

1 stop9h 29m

$278

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Fri 2/20

10:44 am-11:59 pm

1 stop13h 15m

San Antonio

Sat 2/21

6:00 am-7:47 pm

1 stop13h 47m

$280

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Wisconsin to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of April, then book flights to San Antonio from Wisconsin during September instead. Flights to San Antonio in September, while not as cheap as those in April, still average around $375.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Wisconsin when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $411 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Wisconsin for as low as $307 on momondo.

Can stopping save me money on Wisconsin to San Antonio flights?

You could potentially save up to 12% on your flight if you consider stops on a Wisconsin to San Antonio flight.

Cheap Wisconsin to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Wisconsin to San Antonio

Fastest flight time	2h 49m
Direct flights	Every day
Airports in San Antonio	1 airport

The fastest flight from Wisconsin to San Antonio takes 2h 49m

Direct flights go from Wisconsin to San Antonio every day.

There is 1 airport in San Antonio. From Wisconsin there are direct flights to San Antonio (SAT).

Search flight deals

When did momondo last update prices for flights from Wisconsin to San Antonio Airport?
Prices for flights from Wisconsin to San Antonio Airport are updated daily.
How many operators does momondo search for flights from Wisconsin to San Antonio Airport?
There are 7 operators available for flights from Wisconsin to San Antonio Airport as of February 2026.
How old do you have to be to fly from Wisconsin to San Antonio Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Wisconsin to San Antonio

Compare and see reviews for airlines that fly from Wisconsin to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $129	Free Cancellation	Rating 7.9 8,173 reviews	Search Delta flights
American Airlines	PriceFrom $190	Free Cancellation	Rating 7.2 11,254 reviews	Search American Airlines flights
United Airlines	PriceFrom $257	Free Cancellation	Rating 7.4 9,257 reviews	Search United Airlines flights
Southwest	PriceFrom $276	Free Cancellation	Rating 8.0 4,282 reviews	Search Southwest flights

New Braunfels

Kerrville

Boerne

Pleasanton

Schertz

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Why should I use momondo to find a flight deal from Wisconsin to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Wisconsin to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from Wisconsin to San Antonio with flexible booking policies on momondo?

All flight searches from Wisconsin to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Wisconsin to San Antonio?

momondo helps you find the best flight between Wisconsin and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Wisconsin to San Antonio right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Wisconsin to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Wisconsin to San Antonio from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wisconsin to San Antonio departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Wisconsin to San Antonio

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How to get the cheapest flight ticket from Wisconsin to San Antonio

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of April, then book flights to San Antonio from Wisconsin during September instead. Flights to San Antonio in September, while not as cheap as those in April, still average around $375.

How far in advance should I book a flight to San Antonio?

Can stopping save me money on Wisconsin to San Antonio flights?

You could potentially save up to 12% on your flight if you consider stops on a Wisconsin to San Antonio flight.

What is the cheapest airline that flies from Wisconsin to San Antonio?

Spirit Airlines, Frontier, and Sun Country Air are the most popular carriers operating from Wisconsin to San Antonio

What airlines fly to San Antonio?

How many flights depart from Wisconsin to San Antonio on average per week?

As of February 2026, 105 flights take off from Wisconsin and land in San Antonio each week. The most common flight departure day for this route is Sun, with 24% of weekly flights taking off on this day.

How long does it take to fly to San Antonio?

Cheap Wisconsin to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Wisconsin to San Antonio

Fastest flight time

Direct flights

Airports in San Antonio

When did momondo last update prices for flights from Wisconsin to San Antonio Airport?

How many operators does momondo search for flights from Wisconsin to San Antonio Airport?

How old do you have to be to fly from Wisconsin to San Antonio Airport?

What documentation or ID do you need to fly to San Antonio Airport?

Best airlines flying from Wisconsin to San Antonio

Compare and see reviews for airlines that fly from Wisconsin to San Antonio with momondo

Traveling to a place near San Antonio?

Why use momondo?

Why should I use momondo to find a flight deal from Wisconsin to San Antonio?

Can I find flights from Wisconsin to San Antonio with flexible booking policies on momondo?

How can momondo help me find flights from Wisconsin to San Antonio?

I’m not ready to book a flight from Wisconsin to San Antonio right now. Can momondo alert me if prices change?

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to San Antonio

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to San Antonio

List of cabin classes available on flights landing in San Antonio. Availability may vary depending on flight origin and airline.

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