San Antonio

$140+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Jul 10 — Jul 171
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Cheap 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 10, 2026.

This CheapOair deal was found by Cheapflights users on 6/7. 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 8/208:43 am
MKE
-
SAT
1 stop24h 13m
Frontier
Sat 8/229:51 am
SAT
-
MKE
1 stop22h 07m
Frontier
Deal found 6/7$268
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:50 pm
MKE
-
SAT
1 stop5h 00m
American Airlines
Wed 8/266:00 am
SAT
-
MKE
1 stop5h 37m
American Airlines
Deal found 6/8$275
This Southwest deal was found by Cheapflights users on 6/8. 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 8/256:40 am
MKE
-
SAT
2 stops6h 10m
Southwest
Wed 8/263:35 pm
SAT
-
MKE
1 stop4h 55m
Southwest
Deal found 6/8$281
This Orbitz deal was found by Cheapflights users on 6/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:10 pm
MKE
-
SAT
1 stop12h 52m
Frontier
Mon 10/1210:34 am
SAT
-
MKE
1 stop8h 41m
Frontier
Deal found 6/6$290
This Gotogate deal was found by Cheapflights users on 6/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:43 am
MKE
-
SAT
1 stop24h 13m
Frontier
Sat 8/14:26 pm
SAT
-
MKE
1 stop15h 32m
Frontier
Deal found 6/9$294
This Booking.com deal was found by Cheapflights users on 6/6. 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.
Thu 7/168:43 am
MKE
-
SAT
1 stop24h 13m
Frontier
Sat 7/184:26 pm
SAT
-
MKE
1 stop15h 32m
Frontier
Deal found 6/6$296
This Booking.com deal was found by Cheapflights users on 6/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:43 am
MKE
-
SAT
1 stop24h 13m
Frontier
Mon 8/39:51 am
SAT
-
MKE
1 stop22h 07m
Frontier
Deal found 6/8$300
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:11 am
MKE
-
SAT
1 stop8h 27m
Delta
Sat 9/263:00 pm
SAT
-
MKE
1 stop5h 10m
Delta
Deal found 6/10$304
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.
Tue 9/293:40 pm
MKE
-
SAT
2 stops5h 50m
Southwest
Sat 10/32:50 pm
SAT
-
MKE
1 stop6h 45m
Southwest
Deal found 6/10$310
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:38 am
MKE
-
SAT
1 stop6h 14m
Delta
Fri 9/252:31 pm
SAT
-
MKE
1 stop6h 56m
Delta
Deal found 6/10$332
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:17 pm
MKE
-
SAT
1 stop8h 11m
Delta
Sat 8/226:30 am
SAT
-
MKE
1 stop7h 45m
Delta
Deal found 6/9$333

Find 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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$268
(CheapOair)

One-way from

$140
(CheapOair)

Popular in

August

Cheapest in

November

Average price

$488
Provider with most accurate pricing for Milwaukee-Mitchell-San Antonio flight deals.
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-San Antonio flights.
From Milwaukee-Mitchell to San Antonio
One-way flight from Milwaukee-Mitchell to San Antonio
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 10, 2026.
Use the filters below to find and compare flights from Milwaukee to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 8/25

6:40 am-12:50 pm

2 stops6h 10m

San Antonio

Wed 8/26

3:35 pm-8:30 pm

1 stop4h 55m

$281

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 9/22

10:11 am-6:38 pm

1 stop8h 27m

San Antonio

Sat 9/26

3:00 pm-8:10 pm

1 stop5h 10m

$304

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 9/29

10:11 am-4:58 pm

1 stop6h 47m

San Antonio

Sat 10/3

5:30 am-11:53 am

1 stop6h 23m

$304

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 8/14

4:50 pm-10:55 pm

1 stop6h 05m

San Antonio

Wed 8/19

12:55 pm-7:55 pm

2 stops7h 00m

$338

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Tue 9/29

3:40 pm-9:30 pm

2 stops5h 50m

San Antonio

Sat 10/3

10:45 am-7:20 pm

2 stops8h 35m

$362

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Thu 11/5

8:05 am-4:00 pm

2 stops7h 55m

San Antonio

Thu 11/12

7:00 am-5:45 pm

2 stops10h 45m

$390

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Wed 7/8

6:20 am-12:29 pm

1 stop6h 09m

San Antonio

Sat 7/11

5:57 pm-10:45 pm

1 stop4h 48m

$399
Quickest round-trip

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 8/7

6:20 am-12:12 pm

1 stop5h 52m

San Antonio

Mon 8/10

5:32 pm-10:29 pm

1 stop4h 57m

$427

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Fri 9/18

6:00 pm-10:44 pm

1 stop4h 44m

San Antonio

Mon 9/21

4:12 pm-10:39 pm

1 stop6h 27m

$427

MilwaukeeSan Antonio

MKE - SAT

MKESAT

Milwaukee-Mitchell

Sat 7/18

4:40 pm-8:55 pm

1 stop4h 15m

San Antonio

Thu 7/23

5:25 pm-12:20 am

1 stop6h 55m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-San Antonio flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

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 63 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, November is the cheapest month in which you can book a flight from Milwaukee to San Antonio (average of $344). Flying from Milwaukee to San Antonio in August is currently the most expensive (average of $534). 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.

How much does it cost to fly round-trip from Milwaukee to San Antonio?

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 10, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited 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.

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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?

    Southwest and Delta can get you from Milwaukee to San Antonio in just under 6h 10m. Your travel time can differ by up to 2h 17m. 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 $158, Delta will fly you from Milwaukee to San Antonio and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and American Airlines - these airlines can fly you to your destination from $251 and $262, respectively. Delta is 63% 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 $91 on American Airlines. Other airlines that offer cheap prices include Delta from $118 and United Airlines from $143 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, November is the cheapest month in which you can book a flight from Milwaukee to San Antonio (average of $344). Flying from Milwaukee to San Antonio in August is currently the most expensive (average of $534). 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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Alternative routes for Milwaukee to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Milwaukee to San Antonio

Discover the top 4 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$388FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$251Average$436FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$387FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$311Average$406FlexibilityNo cancel feeOn-time69%

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