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$64+ Cheap flights from Wisconsin to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Wisconsin to San Antonio

Cheapest flights from Wisconsin to San Antonio
Explore the most affordable flight options available from Wisconsin to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:14 amMSN - SAT
1 stop7h 56mAmerican Airlines
Sun 1/48:08 pmSAT - MSN
1 stop5h 09mAmerican Airlines
Deal found 12/16$250
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:05 amORD - SAT
1 stop10h 56mFrontier
Thu 1/810:13 amSAT - ORD
1 stop8h 32mFrontier
Deal found 12/16$253
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amORD - SAT
1 stop11h 01mFrontier
Thu 1/810:13 amSAT - ORD
1 stop8h 32mFrontier
Deal found 12/16$267
This Orbitz deal was found by Cheapflights users on 12/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:56 pmMSN - SAT
1 stop20h 25mFrontier
Sun 1/46:45 amSAT - MSN
1 stop11h 37mFrontier
Deal found 12/17$268
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:23 amORD - SAT
1 stop6h 53mFrontier
Thu 1/16:45 amSAT - ORD
1 stop17h 27mFrontier
Deal found 12/16$269
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:56 pmMSN - SAT
1 stop6h 57mDelta
Wed 1/711:12 amSAT - MSN
1 stop5h 05mDelta
Deal found 12/17$269
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amORD - SAT
1 stop6h 14mFrontier
Mon 12/2912:18 pmSAT - ORD
1 stop11h 54mFrontier
Deal found 12/16$284
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:56 pmMSN - SAT
1 stop9h 21mFrontier
Tue 12/236:45 amSAT - MSN
1 stop8h 54mFrontier
Deal found 12/16$284
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:05 amORD - SAT
1 stop10h 56mFrontier
Fri 1/910:13 amSAT - ORD
1 stop12h 43mFrontier
Deal found 12/16$288
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:56 pmMSN - SAT
1 stop6h 57mDelta
Thu 1/86:30 amSAT - MSN
1 stop7h 40mDelta
Deal found 12/17$290
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:23 amORD - SAT
1 stop6h 53mFrontier
Mon 1/57:11 pmSAT - ORD
1 stop21h 08mFrontier
Deal found 12/16$294
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amORD - SAT
1 stop11h 01mFrontier
Thu 1/16:45 amSAT - ORD
1 stop17h 27mFrontier
Deal found 12/16$301

Find flight deals from Wisconsin to San Antonio

Keep the following information in mind while searching for Wisconsin to San Antonio flight deals. Data was last updated December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$174
(Kiwi.com)

One-way from

$64
(Frontier)

Popular in

March

Cheapest in

April

Average price

$476
Provider with most accurate pricing for Milwaukee-Mitchell-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-San Antonio flights.
Search Deals
From Wisconsin to San Antonio
Search Deals
One-way flight from Wisconsin to San Antonio
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin 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 December 18, 2025.
Use the filters below to find and compare flights from Wisconsin to San Antonio that are best for you.

Fly from

Wisconsin

Fly to

San Antonio

Route

Depart

Return

Price

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Sun 2/1

8:43 pm-9:30 am

1 stop12h 47m

San Antonio

Mon 2/2

6:13 pm-1:58 pm

1 stop19h 45m

$191

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Sat 1/31

5:32 pm-9:30 am

1 stop15h 58m

San Antonio

Mon 2/2

8:24 pm-6:27 pm

2 stops22h 03m

$203

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Thu 1/22

5:40 am-7:33 pm

2 stops13h 53m

San Antonio

Sat 1/24

10:35 am-7:44 pm

1 stop9h 09m

$221

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Wed 2/11

3:09 pm-9:52 pm

1 stop6h 43m

San Antonio

Sun 2/15

6:00 am-10:38 am

1 stop4h 38m

$235

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Fri 1/16

3:09 pm-9:52 pm

1 stop6h 43m

San Antonio

Tue 1/20

6:06 am-12:46 pm

1 stop6h 40m

$235

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 3/6

7:46 pm-9:06 am

1 stop13h 20m

San Antonio

Mon 3/9

8:53 pm-5:50 pm

1 stop20h 57m

$250

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Wed 12/31

6:14 am-2:10 pm

1 stop7h 56m

San Antonio

Sun 1/4

8:08 pm-1:17 am

1 stop5h 09m

$250

Green BaySan Antonio

GRB - SAT

GRBSAT

Green Bay Austin-Straubel

Tue 1/6

5:28 pm-10:55 pm

1 stop5h 27m

San Antonio

Sat 1/10

6:30 am-11:21 am

1 stop4h 51m

$257

AppletonSan Antonio

ATW - SAT

ATWSAT

Appleton Intl

Wed 1/7

5:20 am-12:45 pm

1 stop7h 25m

San Antonio

Sat 1/10

4:29 pm-9:47 pm

1 stop5h 18m

$257

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Tue 1/13

6:30 am-12:24 pm

1 stop5h 54m

San Antonio

Sun 1/18

7:00 am-11:51 am

1 stop4h 51m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from Wisconsin to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Wisconsin 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 Wisconsin to San Antonio

What is the cheapest month to book a flight from Wisconsin to San Antonio?

Currently, December is the cheapest month in which you can book a flight from Wisconsin to San Antonio (average of $113). Flying from Wisconsin to San Antonio in February is currently the most expensive (average of $225). 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.

What is the cheapest time of day to fly from WI to SAT?

Find hourly flight availability from Wisconsin to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Wisconsin to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the morning.

What is the cheapest day to fly from Wisconsin to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Wisconsin to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Wisconsin to San Antonio flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Wisconsin to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from Wisconsin?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly into when you book flights from Wisconsin to San Antonio.

  • How long is the flight from Wisconsin to San Antonio?

    Airlines like American Airlines, Frontier, and Delta fly from Wisconsin to San Antonio in about 5h 27m. The time it takes to get you to your destination can typically vary by up to 7h 53m. Wisconsin and San Antonio are separated by a distance of 1177 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Wisconsin to San Antonio one-way?

    The cheapest airlines for a one-way flight from Wisconsin to San Antonio are American Airlines ($91), Delta ($118), and United Airlines ($143).

  • What are the most popular routes from Wisconsin to San Antonio?

    While some choose either Minneapolis St Paul - San Antonio or Milwaukee-Mitchell - San Antonio, Chicago O'Hare Intl - San Antonio is the most popular route from Wisconsin to San Antonio.

  • Can I find deals for flights from Wisconsin to San Antonio that include hotel bookings?

    Yes. In addition to deals on Wisconsin to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wisconsin to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to San Antonio.

  • Can I find deals for business class flights from Wisconsin to San Antonio?

    Yes. Cheapflights offers flight deals from Wisconsin 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 Wisconsin to San Antonio?

    Currently, December is the cheapest month in which you can book a flight from Wisconsin to San Antonio (average of $113). Flying from Wisconsin to San Antonio in February is currently the most expensive (average of $225). 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 Wisconsin to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Wisconsin to San Antonio

Discover the top 4 airlines that operate flights from Wisconsin 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$172Average$360FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$190Average$394FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$408FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$280Average$429FlexibilityNo cancel feeOn-time63%

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