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$97+ Cheap flights from San Antonio to Milwaukee (SAT - MKE)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MKE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Milwaukee-Mitchell are usually found in June or January, booked 62 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from San Antonio to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$218
(Southwest)

One-way from

$97
(Southwest)

Popular in

November

Cheapest in

June

Average price

$383
From San Antonio to Milwaukee-Mitchell
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One-way flight from San Antonio to Milwaukee-Mitchell
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Highest demand for flights based on searches. 11% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Antonio to Milwaukee

Cheapest flights from San Antonio to Milwaukee
Explore the most affordable flight options available from San Antonio to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:50 pmSAT - MKE
1 stop6h 10mSouthwest
Sat 12/65:15 amMKE - SAT
1 stop5h 50mSouthwest
Deal found 9/8$218
This American Airlines deal was found by Cheapflights users on 9/9. 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 12/243:00 pmSAT - MKE
1 stop6h 54mAmerican Airlines
Wed 12/3111:08 amMKE - SAT
1 stop9h 22mAmerican Airlines
Deal found 9/9$229
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/14:49 pmSAT - MKE
1 stop6h 11mAmerican Airlines
Mon 10/62:18 pmMKE - SAT
1 stop7h 30mAmerican Airlines
Deal found 9/11$243
This Delta deal was found by Cheapflights users on 9/10. 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 10/111:35 amSAT - MKE
1 stop8h 35mDelta
Mon 10/64:49 pmMKE - SAT
1 stop5h 53mDelta
Deal found 9/10$247
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/25:00 amSAT - MKE
1 stop5h 32mAmerican Airlines
Mon 10/62:05 pmMKE - SAT
1 stop7h 29mAmerican Airlines
Deal found 9/9$257
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/34:48 pmSAT - MKE
1 stop6h 12mAmerican Airlines
Tue 10/72:18 pmMKE - SAT
1 stop7h 30mAmerican Airlines
Deal found 9/9$258
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:55 pmSAT - MKE
1 stop5h 15mSouthwest
Wed 11/59:05 amMKE - SAT
2 stops9h 10mSouthwest
Deal found 9/11$263
This Delta deal was found by Cheapflights users on 9/11. 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.
Thu 10/305:14 amSAT - MKE
1 stop5h 47mDelta
Sun 11/22:55 pmMKE - SAT
1 stop6h 15mDelta
Deal found 9/11$287
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:20 amSAT - MKE
2 stops12h 05mSouthwest
Tue 10/75:25 pmMKE - SAT
1 stop5h 50mSouthwest
Deal found 9/9$299

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Milwaukee 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 September 11, 2025.
Use the filters below to find and compare flights from San Antonio to Milwaukee that are best for you.

Fly from

San Antonio

Fly to

Milwaukee

Route

Depart

Return

Price

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Tue 10/21

3:50 pm-10:00 pm

1 stop6h 10m

Milwaukee-Mitchell

Sat 12/6

5:15 am-11:05 am

1 stop5h 50m

$218

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Mon 11/10

7:05 am-1:58 pm

1 stop6h 53m

Milwaukee-Mitchell

Tue 11/11

8:44 am-4:20 pm

1 stop7h 36m

$243

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 10/1

4:49 pm-11:00 pm

1 stop6h 11m

Milwaukee-Mitchell

Mon 10/6

2:18 pm-9:48 pm

1 stop7h 30m

$243

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 10/1

11:35 am-8:10 pm

1 stop8h 35m

Milwaukee-Mitchell

Mon 10/6

4:49 pm-10:42 pm

1 stop5h 53m

$247

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 10/9

6:21 pm-11:55 pm

1 stop5h 34m

Milwaukee-Mitchell

Tue 10/14

5:22 pm-12:20 am

1 stop6h 58m

$257

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 10/3

4:48 pm-11:00 pm

1 stop6h 12m

Milwaukee-Mitchell

Tue 10/7

2:18 pm-9:48 pm

1 stop7h 30m

$258

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 10/30

4:55 pm-10:10 pm

1 stop5h 15m

Milwaukee-Mitchell

Wed 11/5

9:05 am-6:15 pm

2 stops9h 10m

$263

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 10/30

5:14 am-11:01 am

1 stop5h 47m

Milwaukee-Mitchell

Sun 11/2

2:55 pm-9:10 pm

1 stop6h 15m

$287

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 10/8

7:51 am-1:47 pm

1 stop5h 56m

Milwaukee-Mitchell

Sun 10/12

6:45 am-12:52 pm

1 stop6h 07m

$300

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 10/2

2:25 pm-10:31 pm

2 stops8h 06m

Milwaukee-Mitchell

Mon 10/6

5:45 pm-10:55 pm

1 stop5h 10m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
1
2

Best time to book a flight from San Antonio to Milwaukee

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

How far ahead should I book a flight from San Antonio to Milwaukee?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Milwaukee. Price data was last updated on August 29, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Milwaukee. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from San Antonio to Milwaukee (average of $280). Flying from San Antonio to Milwaukee in June is currently the most expensive (average of $376). 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 SAT to MKE?

Find hourly flight availability from San Antonio to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from San Antonio to Milwaukee in the evening. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from San Antonio to Milwaukee, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

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

    Departing from San Antonio to Milwaukee will take you 6h 10m. San Antonio and Milwaukee are separated by a distance of 1095 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Antonio to Milwaukee round-trip?

    Currently priced at $236, Delta will fly you from San Antonio to Milwaukee and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and American Airlines - these airlines can fly you to your destination from $248 and $300, respectively. Delta is currently priced 43% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from San Antonio to Milwaukee (average of $280). Flying from San Antonio to Milwaukee in June is currently the most expensive (average of $376). 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 Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Oak Creek
New Berlin
Wauwatosa

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Top 5 airlines flying from San Antonio to Milwaukee

Discover the top 5 airlines that operate flights from San Antonio to Milwaukee. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$385FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$248Average$294FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$300Average$464FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$301Average$411FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$373Average$666FlexibilityNo cancel feeOn-time69%

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