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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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 23, 2025.

This Frontier deal was found by Cheapflights users on 12/22. 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 12/316:05 amORD - SAT
1 stop10h 56mFrontier
Thu 1/12:09 pmSAT - ORD
1 stop10h 03mFrontier
Deal found 12/22$284
This Frontier deal was found by Cheapflights users on 12/22. 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 12/256:45 amMSP - SAT
1 stop6h 29mFrontier
Sun 1/412:18 pmSAT - MSP
1 stop11h 44mFrontier
Deal found 12/22$288
This Expedia deal was found by Cheapflights users on 12/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amORD - SAT
1 stop11h 01mFrontier
Wed 12/316:45 amSAT - ORD
1 stop17h 27mFrontier
Deal found 12/22$292
This Frontier deal was found by Cheapflights users on 12/21. 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 12/246:45 amMSP - SAT
1 stop6h 29mFrontier
Wed 1/73:55 pmSAT - MSP
1 stop6h 49mFrontier
Deal found 12/21$292
This Frontier deal was found by Cheapflights users on 12/22. 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 12/256:45 amMSP - SAT
1 stop6h 29mFrontier
Tue 12/306:45 amSAT - MSP
1 stop11h 54mFrontier
Deal found 12/22$293
This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/247:00 amATW - SAT
1 stop8h 11mDelta
Thu 12/251:33 pmSAT - ATW
1 stop7h 58mDelta
Deal found 12/21$305
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/311:54 pmORD - SAT
1 stop6h 36mAmerican Airlines
Thu 1/16:00 amSAT - ORD
Nonstop2h 51mAmerican Airlines
Deal found 12/21$311
This Frontier deal was found by Cheapflights users on 12/22. 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 12/246:45 amMSP - SAT
1 stop6h 29mFrontier
Wed 12/316:45 amSAT - MSP
1 stop11h 54mFrontier
Deal found 12/22$312
This Expedia deal was found by Cheapflights users on 12/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:34 pmMSP - SAT
1 stop17h 40mFrontier
Fri 1/26:45 amSAT - MSP
1 stop14h 06mFrontier
Deal found 12/22$318
This Frontier deal was found by Cheapflights users on 12/22. 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 12/256:45 amMSP - SAT
1 stop6h 29mFrontier
Fri 1/212:18 pmSAT - MSP
1 stop8h 33mFrontier
Deal found 12/22$333
This Frontier deal was found by Cheapflights users on 12/22. 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 12/246:45 amMSP - SAT
1 stop6h 29mFrontier
Thu 1/16:45 amSAT - MSP
1 stop11h 54mFrontier
Deal found 12/22$337
This Frontier deal was found by Cheapflights users on 12/22. 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 12/266:00 amORD - SAT
1 stop11h 01mFrontier
Thu 1/12:09 pmSAT - ORD
1 stop10h 03mFrontier
Deal found 12/22$343

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 23, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$173
(Kiwi.com)

One-way from

$64
(Frontier)

Popular in

March

Cheapest in

April

Average price

$486
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. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 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 23, 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

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 2/18

4:39 pm-1:12 pm

1 stop20h 33m

San Antonio

Mon 2/23

1:57 pm-3:44 pm

1 stop25h 47m

$195

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Sat 2/28

11:23 am-4:58 pm

1 stop5h 35m

San Antonio

Mon 3/2

5:00 am-10:38 am

1 stop5h 38m

$235

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Sat 1/17

3:49 pm-11:52 pm

1 stop8h 03m

San Antonio

Sun 1/25

10:35 am-10:49 pm

1 stop12h 14m

$250

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 1/17

7:37 pm-8:14 am

1 stop12h 37m

San Antonio

Sat 1/24

6:30 am-6:53 pm

1 stop12h 23m

$251

MadisonSan Antonio

MSN - SAT

MSNSAT

Madison Truax Field

Sat 1/17

5:26 pm-11:13 pm

1 stop5h 47m

San Antonio

Tue 1/20

5:25 am-2:10 pm

2 stops8h 45m

$254

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 1/28

6:56 pm-11:52 pm

1 stop28h 56m

San Antonio

Mon 2/2

6:30 am-6:06 pm

1 stop11h 36m

$256

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 2/20

10:38 am-1:12 pm

1 stop26h 34m

San Antonio

Wed 2/25

6:00 am-3:44 pm

1 stop9h 44m

$256

Green BaySan Antonio

GRB - SAT

GRBSAT

Green Bay Austin-Straubel

Sun 1/18

4:53 pm-10:42 pm

1 stop5h 49m

San Antonio

Sun 1/25

6:06 am-10:50 am

1 stop4h 44m

$259

Green BaySan Antonio

GRB - SAT

GRBSAT

Green Bay Austin-Straubel

Sun 1/18

2:39 pm-10:57 pm

2 stops8h 18m

San Antonio

Sun 1/25

7:00 am-2:02 pm

1 stop7h 02m

$264

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 2/20

10:38 am-1:12 pm

1 stop26h 34m

San Antonio

Wed 2/25

6:12 pm-6:42 pm

2 stops24h 30m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

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 23, 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 Frontier, American Airlines, and United Airlines fly from Wisconsin to San Antonio in about 5h 35m. The time it takes to get you to your destination can typically vary by up to 14h 58m. Wisconsin and San Antonio are separated by a distance of 1066 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$172Average$359FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$190Average$393FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$408FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$280Average$429FlexibilityNo cancel feeOn-time63%

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