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$98+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheapflights Tip: The best prices from Milwaukee-Mitchell to San Antonio are usually found in April or September, booked 56 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 October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$295
(Delta)

One-way from

$98
(Mytrip)

Popular in

March

Cheapest in

April

Average price

$391
Provider with most accurate pricing for Milwaukee-Mitchell-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-San Antonio flights.
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From Milwaukee-Mitchell to San Antonio
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One-way flight from Milwaukee-Mitchell to San Antonio
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Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 29, 2025.

This Mytrip deal was found by Cheapflights users on 10/27. 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.
Fri 10/318:04 pmMKE - SAT
1 stop18h 13mFrontier
Sun 11/28:26 pmSAT - MKE
1 stop22h 53mFrontier
Deal found 10/27$237
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:03 pmMKE - SAT
2 stops21h 37mMultiple Airlines
Sat 11/227:04 pmSAT - MKE
1 stop23h 44mMultiple Airlines
Deal found 10/29$279
This Delta deal was found by Cheapflights users on 10/28. 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 12/2410:28 amMKE - SAT
1 stop8h 25mDelta
Tue 1/65:20 amSAT - MKE
1 stop5h 55mDelta
Deal found 10/28$295
This Southwest deal was found by Cheapflights users on 10/28. 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 12/241:00 pmMKE - SAT
1 stop9h 15mSouthwest
Tue 1/612:25 pmSAT - MKE
2 stops7h 30mSouthwest
Deal found 10/28$300
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 12/59:40 amMKE - SAT
1 stop6h 24mDelta
Sun 12/74:52 pmSAT - MKE
1 stop7h 02mDelta
Deal found 10/27$303
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:34 amMKE - SAT
1 stop26h 44mMultiple Airlines
Fri 12/196:45 amSAT - MKE
2 stops10h 42mMultiple Airlines
Deal found 10/28$313
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 11/2512:00 pmMKE - SAT
1 stop5h 00mAmerican Airlines
Wed 12/33:00 pmSAT - MKE
1 stop7h 05mAmerican Airlines
Deal found 10/29$318
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:34 amMKE - SAT
1 stop26h 44mMultiple Airlines
Wed 12/106:10 pmSAT - MKE
2 stops15h 29mMultiple Airlines
Deal found 10/28$324
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/83:45 pmMKE - SAT
1 stop8h 40mAmerican Airlines
Fri 12/125:00 amSAT - MKE
1 stop6h 14mAmerican Airlines
Deal found 10/27$325
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:04 pmMKE - SAT
1 stop18h 13mMultiple Airlines
Sat 11/157:37 pmSAT - MKE
2 stops22h 31mMultiple Airlines
Deal found 10/29$329

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 October 29, 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

Sun 11/16

7:03 pm-4:40 pm

2 stops21h 37m

San Antonio

Sat 11/22

7:04 pm-6:48 pm

1 stop23h 44m

$279

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Thu 12/25

3:48 pm-10:54 pm

1 stop7h 06m

San Antonio

Tue 1/6

9:00 am-3:43 pm

1 stop6h 43m

$295

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 2/21

3:30 pm-11:12 pm

1 stop7h 42m

San Antonio

Tue 2/24

5:20 pm-10:28 pm

1 stop5h 08m

$295

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 12/24

1:00 pm-10:15 pm

1 stop9h 15m

San Antonio

Tue 1/6

12:25 pm-7:55 pm

2 stops7h 30m

$300

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 1/31

6:21 pm-12:41 am

1 stop6h 20m

San Antonio

Thu 2/5

12:55 pm-8:48 pm

1 stop7h 53m

$301

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 12/5

9:40 am-4:04 pm

1 stop6h 24m

San Antonio

Sun 12/7

4:52 pm-11:54 pm

1 stop7h 02m

$303

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 1/31

7:32 am-3:45 pm

2 stops8h 13m

San Antonio

Thu 2/5

6:06 am-11:00 am

1 stop4h 54m

$306

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Mon 12/8

3:45 pm-12:25 am

1 stop8h 40m

San Antonio

Fri 12/12

5:00 am-11:14 am

1 stop6h 14m

$325

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 2/28

4:00 pm-9:41 pm

1 stop5h 41m

San Antonio

Tue 3/3

6:20 pm-11:27 pm

1 stop5h 07m

$337

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 2/13

1:25 pm-9:15 pm

2 stops7h 50m

San Antonio

Tue 2/17

5:20 pm-10:28 pm

1 stop5h 08m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 19 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Milwaukee-San Antonio flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 October 24, 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 56 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, October is the cheapest month in which you can book a flight from Milwaukee to San Antonio (average of $77). Flying from Milwaukee to San Antonio in February is currently the most expensive (average of $185). 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 October 29, 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 7% versus a flight in the evening.

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 October 29, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Milwaukee to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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
7.9
Good
7,992 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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
8,999 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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
11,032 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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
8,114 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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 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.

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

    United Airlines and Southwest can get you from Milwaukee to San Antonio in just under 7h 06m. Your travel time can differ by up to 2h 09m. The distance from Milwaukee to San Antonio is about 1095 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $215, 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 Delta and Southwest - these airlines can fly you to your destination from $236 and $296, respectively. Spirit Airlines is 47% 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 $98 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $142 and Delta from $146 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, October is the cheapest month in which you can book a flight from Milwaukee to San Antonio (average of $77). Flying from Milwaukee to San Antonio in February is currently the most expensive (average of $185). 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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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$215Average$302FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$386FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$296Average$432FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$301Average$389FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$311Average$389FlexibilityNo cancel feeOn-time69%

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