$130+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to San Antonio with Cheapflights
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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.Cheap flight deals from Milwaukee to San Antonio
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Best
Last-minute
One-way
Cheapest flights from Milwaukee to San AntonioExplore 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 July 28, 2026.
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 July 28, 2026.
This Frontier deal was found by Cheapflights users on 7/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:10 pm
MKE
- SAT
1 stop12h 52m
Frontier
Mon 9/289:57 am
SAT
- MKE
1 stop9h 18m
Frontier
Deal found 7/25![Frontier logo]()
$240
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:03 pm
MKE
- SAT
1 stop12h 59m
Frontier
Mon 11/169:57 am
SAT
- MKE
1 stop9h 11m
Frontier
Deal found 7/28![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:10 pm
MKE
- SAT
1 stop13h 29m
Frontier
Mon 10/2610:34 am
SAT
- MKE
1 stop8h 41m
Frontier
Deal found 7/27![Frontier logo]()
$312
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/136:00 am
MKE
- SAT
1 stop6h 53m
American Airlines
Tue 8/187:00 am
SAT
- MKE
1 stop4h 37m
American Airlines
Deal found 7/23![American Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 8/136:25 am
MKE
- SAT
1 stop6h 00m
Southwest
Tue 8/1812:55 pm
SAT
- MKE
2 stops7h 00m
Southwest
Deal found 7/23![Southwest logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 8/206:48 pm
MKE
- SAT
1 stop5h 52m
American Airlines
Sat 8/221:33 pm
SAT
- MKE
1 stop7h 27m
American Airlines
Deal found 7/25![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 7/23. 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 9/23:40 pm
MKE
- SAT
2 stops7h 25m
Southwest
Wed 9/91:30 pm
SAT
- MKE
2 stops7h 50m
Southwest
Deal found 7/23![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:45 am
MKE
- SAT
1 stop7h 10m
Southwest
Tue 9/151:30 pm
SAT
- MKE
2 stops6h 30m
Southwest
Deal found 7/24![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:45 am
MKE
- SAT
2 stops13h 35m
Southwest
Thu 9/243:30 pm
SAT
- MKE
1 stop4h 50m
Southwest
Deal found 7/24![Southwest logo]()
$350
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:45 am
MKE
- SAT
2 stops13h 35m
Southwest
Mon 9/213:30 pm
SAT
- MKE
2 stops5h 55m
Southwest
Deal found 7/24![Southwest logo]()
$355
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sat 10/176:30 am
MKE
- SAT
2 stops7h 10m
Southwest
Thu 10/225:00 pm
SAT
- MKE
1 stop6h 05m
Southwest
Deal found 7/23![Southwest logo]()
$359
Best flights from Milwaukee to San AntonioDiscover carefully curated flight deals from Milwaukee to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Milwaukee to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This Southwest deal was found by Cheapflights users on 7/23. 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 9/23:40 pm
MKE
- SAT
2 stops7h 25m
Southwest
Wed 9/92:50 pm
SAT
- MKE
1 stop6h 30m
Southwest
Deal found 7/23![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 7/25. 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.
Mon 9/144:57 pm
MKE
- SAT
1 stop5h 47m
Delta
Wed 9/165:30 am
SAT
- MKE
1 stop8h 20m
Delta
Deal found 7/25![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:19 am
MKE
- SAT
1 stop6h 12m
United Airlines
Mon 9/75:59 pm
SAT
- MKE
1 stop4h 40m
United Airlines
Deal found 7/27![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:55 pm
MKE
- SAT
1 stop8h 10m
Southwest
Thu 9/243:30 pm
SAT
- MKE
1 stop4h 50m
Southwest
Deal found 7/24![Southwest logo]()
$339
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 am
MKE
- SAT
1 stop6h 30m
Southwest
Mon 9/213:30 pm
SAT
- MKE
2 stops5h 55m
Southwest
Deal found 7/24![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:23 pm
MKE
- SAT
1 stop6h 21m
Delta
Wed 11/115:30 am
SAT
- MKE
1 stop5h 45m
Delta
Deal found 7/24![Delta logo]()
$398
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.
Thu 11/128:00 pm
MKE
- SAT
1 stop4h 55m
Southwest
Mon 11/163:00 pm
SAT
- MKE
2 stops7h 05m
Southwest
Deal found 7/28![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 9/35:45 am
MKE
- SAT
2 stops8h 25m
Southwest
Wed 9/93:15 pm
SAT
- MKE
2 stops6h 05m
Southwest
Deal found 7/23![Southwest logo]()
$364
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:30 pm
MKE
- SAT
1 stop5h 25m
Southwest
Mon 10/195:00 pm
SAT
- MKE
1 stop6h 05m
Southwest
Deal found 7/26![Southwest logo]()
$388
Last-minute flights from Milwaukee to San AntonioDiscover last-minute flight deals from Milwaukee to San Antonio. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to San Antonio. Data last updated July 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/136:00 am
MKE
- SAT
1 stop6h 53m
American Airlines
Tue 8/187:00 am
SAT
- MKE
1 stop4h 37m
American Airlines
Deal found 7/23![American Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 8/136:25 am
MKE
- SAT
1 stop6h 00m
Southwest
Tue 8/1812:55 pm
SAT
- MKE
2 stops7h 00m
Southwest
Deal found 7/23![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:45 am
MKE
- SAT
1 stop5h 25m
Southwest
Sat 8/1510:05 am
SAT
- MKE
1 stop7h 25m
Southwest
Deal found 7/24![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 7/23. 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 8/196:20 am
MKE
- SAT
1 stop7h 45m
Southwest
Fri 8/2112:20 pm
SAT
- MKE
1 stop5h 20m
Southwest
Deal found 7/23![Southwest logo]()
$395
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 8/206:48 pm
MKE
- SAT
1 stop5h 52m
American Airlines
Sat 8/221:33 pm
SAT
- MKE
1 stop7h 27m
American Airlines
Deal found 7/25![American Airlines logo]()
$339
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:40 am
MKE
- SAT
1 stop7h 10m
Southwest
Tue 9/112:55 pm
SAT
- MKE
2 stops7h 35m
Southwest
Deal found 7/26![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 pm
MKE
- SAT
1 stop4h 39m
United Airlines
Sun 8/3012:55 pm
SAT
- MKE
1 stop6h 00m
United Airlines
Deal found 7/27![United Airlines logo]()
$388
One-way flights from Milwaukee to San AntonioSearch for one-way flight options from Milwaukee to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Milwaukee to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:10 pm
MKE
- SAT
1 stop20h 57m
Frontier
Deal found 7/26![Frontier logo]()
$130
This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 9/213:59 pm
MKE
- SAT
1 stop5h 23m
Delta
Deal found 7/23![Delta logo]()
$167
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:18 pm
MKE
- SAT
1 stop4h 53m
Delta
Deal found 7/26![Delta logo]()
$170
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:03 am
MKE
- SAT
1 stop6h 35m
Delta
Deal found 7/24![Delta logo]()
$175
This American Airlines deal was found by Cheapflights users on 7/23. 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 12/223:08 pm
MKE
- SAT
1 stop6h 42m
American Airlines
Deal found 7/23![American Airlines logo]()
$212
This Delta deal was found by Cheapflights users on 7/23. 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 12/235:00 pm
MKE
- SAT
1 stop6h 20m
Delta
Deal found 7/23![Delta logo]()
$219
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:00 am
MKE
- SAT
1 stop6h 50m
Southwest
Deal found 7/24![Southwest logo]()
$259
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:43 am
MKE
- SAT
1 stop5h 00m
United Airlines
Deal found 7/26![United Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 9/212:20 pm
MKE
- SAT
2 stops6h 56m
United Airlines
Deal found 7/23![United Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/105:00 am
MKE
- SAT
2 stops10h 39m
United Airlines
Deal found 7/23![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sun 8/26:15 am
MKE
- SAT
1 stop7h 05m
Southwest
Deal found 7/23![Southwest logo]()
$444
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Frontier) |
One-way from | $130 (Trip.com) |
Popular in | August |
Cheapest in | October |
Average price | $486 |
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 July 28, 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
Cheapest round-trip
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Wed 9/2
3:40 pm-11:05 pm
2 stops7h 25m
San Antonio
Wed 9/9
2:50 pm-9:20 pm
1 stop6h 30m
$338
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Thu 9/17
1:55 pm-10:05 pm
1 stop8h 10m
San Antonio
Thu 9/24
3:30 pm-8:20 pm
1 stop4h 50m
$339
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Thu 9/17
11:00 am-5:30 pm
1 stop6h 30m
San Antonio
Mon 9/21
3:30 pm-9:25 pm
2 stops5h 55m
$344
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Thu 11/12
8:00 pm-12:55 am
1 stop4h 55m
San Antonio
Mon 11/16
3:00 pm-10:05 pm
2 stops7h 05m
$344
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Mon 9/14
4:57 pm-10:44 pm
1 stop5h 47m
San Antonio
Wed 9/16
5:30 am-1:50 pm
1 stop8h 20m
$349
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Thu 9/3
5:45 am-2:10 pm
2 stops8h 25m
San Antonio
Wed 9/9
3:15 pm-9:20 pm
2 stops6h 05m
$364
Quickest round-trip
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Fri 9/4
10:19 am-4:31 pm
1 stop6h 12m
San Antonio
Mon 9/7
5:59 pm-10:39 pm
1 stop4h 40m
$375
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Fri 10/16
6:30 pm-11:55 pm
1 stop5h 25m
San Antonio
Mon 10/19
5:00 pm-11:05 pm
1 stop6h 05m
$388
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Sun 11/8
3:23 pm-9:44 pm
1 stop6h 21m
San Antonio
Wed 11/11
5:30 am-11:15 am
1 stop5h 45m
$398
Cheapest one-way
MilwaukeeSan Antonio
MKE - SAT
MKESAT
Milwaukee-Mitchell
Tue 9/8
12:10 pm-9:07 am
1 stop20h 57m
$130
Showing 1-10 of 20 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
MKE-SAT
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 53 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 $346). Flying from Milwaukee to San Antonio in August is currently the most expensive (average of $662). 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?
Airfare is below average for this route at the moment.
Milwaukee to San Antonio flights typically cost between $375 and $792 in September.The cheapest round-trip price found within the last 5 days was $240 on Frontier (Sep 24-Sep 28).
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 July 28, 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.
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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.
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Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Milwaukee and San Antonio flights
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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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$455 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$303 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$311 | Average$406 | FlexibilityNo cancel fee | On-time69% |