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$125+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$235
(Booking.com)

One-way from

$125
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$465
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. 8% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/79:20 pmMKE - SAT
1 stop7h 40mSpirit Airlines
Tue 7/157:45 amSAT - MKE
1 stop7h 57mSpirit Airlines
Deal found 6/11$235
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/610:00 amMKE - SAT
1 stop4h 10mSouthwest
Wed 8/139:30 amSAT - MKE
1 stop7h 50mSouthwest
Deal found 6/10$285
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 9/92:54 pmMKE - SAT
1 stop5h 25mDelta
Sat 9/138:00 amSAT - MKE
1 stop5h 44mDelta
Deal found 6/11$301
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/910:34 amMKE - SAT
2 stops8h 08mAmerican Airlines
Sat 9/134:02 pmSAT - MKE
1 stop5h 55mAmerican Airlines
Deal found 6/11$306
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/47:56 pmMKE - SAT
1 stop22h 06mMultiple Airlines
Sun 7/66:13 pmSAT - MKE
1 stop16h 51mMultiple Airlines
Deal found 6/11$308
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:40 pmMKE - SAT
1 stop5h 18mUnited Airlines
Tue 9/232:25 pmSAT - MKE
2 stops7h 31mUnited Airlines
Deal found 6/10$326
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:53 pmMKE - SAT
2 stops22h 37mAlaska Airlines
Sat 11/153:20 pmSAT - MKE
2 stops23h 37mAlaska Airlines
Deal found 6/10$742

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 June 12, 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

Mon 7/7

9:20 pm-5:00 am

1 stop7h 40m

San Antonio

Tue 7/15

7:45 am-3:42 pm

1 stop7h 57m

$235

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 8/6

10:00 am-2:10 pm

1 stop4h 10m

San Antonio

Wed 8/13

9:30 am-5:20 pm

1 stop7h 50m

$285

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 9/9

2:54 pm-8:19 pm

1 stop5h 25m

San Antonio

Sat 9/13

8:00 am-1:44 pm

1 stop5h 44m

$301

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 9/9

10:34 am-6:42 pm

2 stops8h 08m

San Antonio

Sat 9/13

4:02 pm-9:57 pm

1 stop5h 55m

$306

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 7/4

7:56 pm-6:02 pm

1 stop22h 06m

San Antonio

Sun 7/6

6:13 pm-11:04 am

1 stop16h 51m

$308

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 9/19

5:40 pm-10:58 pm

1 stop5h 18m

San Antonio

Tue 9/23

2:25 pm-9:56 pm

2 stops7h 31m

$326

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 11/12

3:53 pm-2:30 pm

2 stops22h 37m

San Antonio

Sat 11/15

3:20 pm-2:57 pm

2 stops23h 37m

$742

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 7/8

7:03 pm-7:22 pm

1 stop24h 19m

$125

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sun 7/20

6:35 pm-9:47 am

1 stop15h 12m

$144

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sun 7/20

6:35 pm-1:06 pm

3 stops42h 31m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 12 results
1
2

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 June 9, 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 June 12, 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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Milwaukee to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $235, 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 Southwest and Delta - these airlines can fly you to your destination from $285 and $301, respectively. Spirit Airlines is 40% 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 $125 on Spirit Airlines. Other airlines that offer cheap prices include Sun Country Air from $144 and American Airlines from $374 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

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Alternative routes for Milwaukee to San Antonio

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$157Average$261FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$404FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$296Average$399FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$334Average$443FlexibilityNo cancel feeOn-time63%

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