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$124+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MKE
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Milwaukee-Mitchell are usually found in August or June, 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 July 29, 2025.

Round-trip from

$236
(CheapOair)

One-way from

$124
(Trip.com)

Popular in

November

Cheapest in

August

Average price

$431
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 ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This CheapOair deal was found by Cheapflights users on 7/28. 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.
Thu 8/284:50 pmSAT - MKE
1 stop6h 16mSpirit Airlines
Sun 8/316:00 amMKE - SAT
1 stop9h 45mSpirit Airlines
Deal found 7/28$236
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:41 pmSAT - MKE
1 stop6h 00mFrontier
Sun 9/143:03 pmMKE - SAT
1 stop28h 12mFrontier
Deal found 7/26$245
This Delta deal was found by Cheapflights users on 7/28. 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 8/206:11 pmSAT - MKE
1 stop5h 18mDelta
Wed 8/275:25 amMKE - SAT
1 stop6h 59mDelta
Deal found 7/28$297
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/286:00 amSAT - MKE
1 stop4h 34mAmerican Airlines
Tue 9/25:48 pmMKE - SAT
1 stop14h 38mAmerican Airlines
Deal found 7/28$300
This Southwest deal was found by Cheapflights users on 7/28. 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.
Wed 8/2010:50 amSAT - MKE
2 stops8h 55mSouthwest
Wed 8/272:45 pmMKE - SAT
2 stops6h 50mSouthwest
Deal found 7/28$307
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Thu 8/78:14 pmSAT - MKE
1 stop22h 59mMultiple Airlines
Sun 8/105:56 pmMKE - SAT
1 stop19h 10mMultiple Airlines
Deal found 7/28$334
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/294:37 pmSAT - MKE
1 stop7h 22mUnited Airlines
Sun 8/318:00 amMKE - SAT
1 stop5h 22mUnited Airlines
Deal found 7/28$352

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 July 29, 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

Thu 8/28

4:50 pm-11:06 pm

1 stop6h 16m

Milwaukee-Mitchell

Sun 8/31

6:00 am-3:45 pm

1 stop9h 45m

$236

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 9/12

12:41 pm-6:41 pm

1 stop6h 00m

Milwaukee-Mitchell

Sun 9/14

3:03 pm-7:15 pm

1 stop28h 12m

$245

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 8/20

6:11 pm-11:29 pm

1 stop5h 18m

Milwaukee-Mitchell

Wed 8/27

5:25 am-12:24 pm

1 stop6h 59m

$297

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 8/28

6:00 am-10:34 am

1 stop4h 34m

Milwaukee-Mitchell

Tue 9/2

5:48 pm-8:26 am

1 stop14h 38m

$300

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 8/20

10:50 am-7:45 pm

2 stops8h 55m

Milwaukee-Mitchell

Wed 8/27

2:45 pm-9:35 pm

2 stops6h 50m

$307

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Thu 8/7

8:14 pm-7:13 pm

1 stop22h 59m

Milwaukee-Mitchell

Sun 8/10

5:56 pm-1:06 pm

1 stop19h 10m

$334

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 8/29

4:37 pm-11:59 pm

1 stop7h 22m

Milwaukee-Mitchell

Sun 8/31

8:00 am-1:22 pm

1 stop5h 22m

$352

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Sun 8/3

8:14 pm-7:13 pm

1 stop22h 59m

$124

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Wed 8/13

8:28 pm-4:23 pm

1 stop19h 55m

$146

San AntonioMilwaukee

SAT - MKE

SATMKE

San Antonio

Fri 8/22

2:52 pm-11:04 pm

1 stop8h 12m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 14 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 July 25, 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 July 29, 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 July 29, 2025.
Read through reviews of airlines operating flights from San Antonio to Milwaukee, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    Currently priced at $236, Spirit Airlines will fly you from San Antonio to Milwaukee and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $245 and $297, respectively. Spirit Airlines is currently priced 42% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $124 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $146 and American Airlines from $149 one-way.

  • 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
Mequon
Oak Creek
Sheboygan
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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$386FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$248Average$290FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$296Average$449FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$301Average$411FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$306Average$561FlexibilityNo cancel feeOn-time69%

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