HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$106+ Cheap flights from Milwaukee to San Antonio (MKE - 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Milwaukee to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Milwaukee-Mitchell to San Antonio are usually found in August or July, booked 70 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Milwaukee to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to San Antonio (SAT). 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 April 25, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$229
(Cheapflightsfares)

One-way from

$106
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$384
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 Milwaukee-Mitchell to San Antonio
Search Deals
One-way flight from Milwaukee-Mitchell to San Antonio
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Milwaukee to San Antonio

Cheapest flights from Milwaukee to San Antonio
Explore the most affordable flight options available from Milwaukee to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/167:54 pmMKE - SAT
1 stop9h 10mSpirit Airlines
Mon 5/1911:42 amSAT - MKE
1 stop7h 17mSpirit Airlines
Deal found 4/25$229
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/2811:43 amMKE - SAT
1 stop6h 55mAmerican Airlines
Wed 6/46:43 pmSAT - MKE
1 stop4h 19mAmerican Airlines
Deal found 4/25$285
This Delta deal was found by Cheapflights users on 4/25. 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.
Sun 9/76:00 amMKE - SAT
1 stop5h 10mDelta
Sat 9/1312:15 pmSAT - MKE
1 stop5h 32mDelta
Deal found 4/25$301
This Southwest deal was found by Cheapflights users on 4/25. 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 9/97:00 amMKE - SAT
1 stop7h 05mSouthwest
Sat 9/139:15 amSAT - MKE
2 stops12h 15mSouthwest
Deal found 4/25$357
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 6/1411:00 amMKE - SAT
2 stops6h 42mUnited Airlines
Wed 6/182:10 pmSAT - MKE
1 stop5h 00mUnited Airlines
Deal found 4/24$363
This Mytrip deal was found by Cheapflights users on 4/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:14 pmMKE - SAT
2 stops16h 23mMultiple Airlines
Wed 6/184:20 pmSAT - MKE
3 stops25h 09mMultiple Airlines
Deal found 4/24$577
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/242:51 pmMKE - SAT
2 stops14h 19mAlaska Airlines
Sat 5/317:28 pmSAT - MKE
2 stops13h 54mAlaska Airlines
Deal found 4/25$818

Cheapflights Fare Finder

Customize your flight search to find flights from Milwaukee 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 April 25, 2025.
Use the filters below to find and compare flights from Milwaukee to San Antonio that are best for you.

Fly from

Milwaukee

Fly to

San Antonio

Route

Depart

Return

Price

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 5/16

7:54 pm-5:04 am

1 stop9h 10m

San Antonio

Mon 5/19

11:42 am-6:59 pm

1 stop7h 17m

$229

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 5/28

11:43 am-6:38 pm

1 stop6h 55m

San Antonio

Wed 6/4

6:43 pm-11:02 pm

1 stop4h 19m

$285

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sun 9/7

6:45 am-11:56 am

1 stop5h 11m

San Antonio

Tue 9/16

4:25 pm-11:25 pm

1 stop7h 00m

$301

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 9/9

7:00 am-2:05 pm

1 stop7h 05m

San Antonio

Sat 9/13

9:15 am-9:30 pm

2 stops12h 15m

$357

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 6/14

11:00 am-5:42 pm

2 stops6h 42m

San Antonio

Wed 6/18

2:10 pm-7:10 pm

1 stop5h 00m

$363

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 6/14

7:14 pm-11:37 am

2 stops16h 23m

San Antonio

Wed 6/18

4:20 pm-5:29 pm

3 stops25h 09m

$577

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 5/24

2:51 pm-5:10 am

2 stops14h 19m

San Antonio

Sat 5/31

7:28 pm-9:22 am

2 stops13h 54m

$818

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sun 5/18

7:54 pm-5:04 am

1 stop9h 10m

$106

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 5/28

2:51 pm-10:03 pm

2 stops7h 12m

$148

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 7/4

7:00 am-11:45 am

1 stop4h 45m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 12 results
1
2

Compare providers for flights from Milwaukee to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to San Antonio in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Milwaukee-San Antonio flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Milwaukee-San Antonio flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Milwaukee-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-San Antonio flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Milwaukee to San Antonio

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

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

Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to San Antonio. Price data was last updated on April 18, 2025.

The price you pay for your flight from Milwaukee to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Milwaukee to San Antonio (average of $295). Flying from Milwaukee to San Antonio in March 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 MKE to SAT?

Find hourly flight availability from Milwaukee 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 April 25, 2025.

When flying from Milwaukee to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 8% versus a flight in the evening.

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

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

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

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated April 25, 2025.
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Milwaukee 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 are the cheapest airlines flying from Milwaukee to San Antonio round-trip?

    Currently priced at $229, Spirit Airlines will fly you from Milwaukee to San Antonio and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $285 and $301, respectively. Spirit Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $106 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $148 and United Airlines from $183 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Milwaukee to San Antonio (average of $295). Flying from Milwaukee to San Antonio in March 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
New Braunfels

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Milwaukee to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Dallas/Fort Worth flights
Minneapolis to Dallas/Fort Worth flights
O'Hare Intl to Hobby flights
O'Hare Intl to George Bush Intcntl flights
O'Hare Intl to Austin flights
O'Hare Intl to San Antonio flights
Minneapolis to George Bush Intcntl flights
Minneapolis to Hobby flights
O'Hare Intl to Love Field flights
Milwaukee to Dallas/Fort Worth flights
Minneapolis to Austin flights
Milwaukee to Hobby flights
Minneapolis to Love Field flights
Milwaukee to George Bush Intcntl flights
Minneapolis to San Antonio flights
Appleton to Dallas/Fort Worth flights
O'Hare Intl to El Paso flights
Madison to Hobby flights
Madison to Dallas/Fort Worth flights
Milwaukee to Austin flights
Milwaukee to Love Field flights
Madison to Austin flights
Madison to George Bush Intcntl flights
Green Bay to Dallas/Fort Worth flights
Appleton to Austin flights
Madison to San Antonio flights
Minneapolis to Corpus Christi flights
Minneapolis to Harlingen flights
Appleton to San Antonio flights
O'Hare Intl to Corpus Christi flights
Green Bay to Hobby flights
O'Hare Intl to McAllen flights
O'Hare Intl to Lubbock flights
Appleton to Hobby flights
Appleton to George Bush Intcntl flights
Minneapolis to McAllen flights
Minneapolis to Lubbock flights
Minneapolis to El Paso flights
Madison to Corpus Christi flights
O'Hare Intl to Harlingen flights
Green Bay to George Bush Intcntl flights
O'Hare Intl to Brownsville flights
Appleton to Love Field flights
Green Bay to Love Field flights
Milwaukee to McAllen flights
Madison to Love Field flights
Green Bay to Austin flights
O'Hare Intl to Midland flights
Milwaukee to El Paso flights

Top 5 airlines flying from Milwaukee to San Antonio

Discover the top 5 airlines that operate flights from Milwaukee 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$168Average$261FlexibilityNo cancel feeOn-time65%
DeltaCheapest$285Average$385FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$406FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$289Average$394FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$334Average$442FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.