$160+ Cheap flights from Milwaukee to San Antonio (MKE - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SAT
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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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
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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 September 12, 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 September 12, 2026.
This Frontier deal was found by Cheapflights users on 9/12. 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 10/810:15 am -
1 stop22h 53m
Wed 10/1410:03 am -
1 stop23h 17m
Deal found 9/12![Frontier logo]()
$278
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:15 am -
1 stop22h 53m
Mon 10/1910:03 am -
1 stop23h 17m
Deal found 9/8![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Thu 11/510:15 am -
1 stop23h 03m
Mon 11/910:13 am -
1 stop23h 03m
Deal found 9/12![Frontier logo]()
$318
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 11/122:35 pm -
1 stop6h 18m
Tue 11/176:34 am -
1 stop4h 54m
Deal found 9/10![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 11/910:53 am -
1 stop6h 47m
Wed 11/182:33 pm -
1 stop4h 53m
Deal found 9/10![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/33:51 pm -
2 stops7h 00m
Tue 10/65:58 pm -
1 stop4h 47m
Deal found 9/10![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:00 am -
2 stops7h 55m
Tue 11/178:20 am -
2 stops10h 20m
Deal found 9/9![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 10/235:00 pm -
1 stop7h 10m
Mon 10/264:55 pm -
1 stop6h 55m
Deal found 9/10![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 9/10. 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.
Sat 10/36:30 am -
2 stops7h 10m
Tue 10/611:25 am -
2 stops11h 00m
Deal found 9/10![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/266:18 pm -
1 stop5h 17m
Fri 10/302:20 pm -
2 stops7h 55m
Deal found 9/10![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:05 am -
2 stops14h 15m
Tue 10/2711:25 am -
2 stops11h 00m
Deal found 9/9![Southwest logo]()
$361
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 September 12, 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 September 12, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop5h 58m
Mon 10/266:20 pm -
1 stop5h 33m
Deal found 9/8![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/266:18 pm -
1 stop5h 17m
Fri 10/302:20 pm -
2 stops7h 55m
Deal found 9/10![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/12. 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 11/52:35 pm -
1 stop9h 20m
Mon 11/97:00 am -
2 stops10h 45m
Deal found 9/12![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:56 pm -
1 stop5h 24m
Mon 10/266:20 pm -
1 stop5h 33m
Deal found 9/8![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 9/10. 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.
Thu 10/225:00 pm -
1 stop7h 10m
Fri 10/235:00 pm -
1 stop6h 10m
Deal found 9/10![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/155:00 am -
2 stops8h 03m
Mon 1/186:38 am -
1 stop5h 17m
Deal found 9/9![United Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 9/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/68:45 am -
1 stop7h 05m
Sun 1/1012:45 pm -
2 stops7h 25m
Deal found 9/7![Southwest logo]()
$425
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:18 pm -
1 stop5h 20m
Tue 12/12:16 pm -
2 stops7h 39m
Deal found 9/11![United Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:00 am -
1 stop7h 17m
Wed 12/95:25 am -
2 stops8h 07m
Deal found 9/9![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 9/12. 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 10/219:05 am -
2 stops14h 15m
Wed 10/287:00 am -
2 stops9h 30m
Deal found 9/12![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 9/10. 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.
Mon 10/267:20 am -
2 stops8h 40m
Fri 10/305:25 am -
2 stops11h 00m
Deal found 9/10![Southwest logo]()
$470
Last-minute flights from Milwaukee to San AntonioDiscover last-minute flight deals from Milwaukee to San Antonio. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to San Antonio. Data last updated September 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/312:45 pm -
1 stop6h 18m
Wed 10/76:20 pm -
1 stop5h 33m
Deal found 9/10![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/33:51 pm -
2 stops7h 00m
Tue 10/65:58 pm -
1 stop4h 47m
Deal found 9/10![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 9/10. 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.
Sat 10/36:30 am -
2 stops7h 10m
Tue 10/611:25 am -
2 stops11h 00m
Deal found 9/10![Southwest logo]()
$355
This Frontier deal was found by Cheapflights users on 9/12. 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 10/810:15 am -
1 stop22h 53m
Wed 10/1410:03 am -
1 stop23h 17m
Deal found 9/12![Frontier logo]()
$278
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:15 am -
1 stop22h 53m
Mon 10/1910:03 am -
1 stop23h 17m
Deal found 9/8![Frontier logo]()
$279
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:47 pm -
1 stop5h 10m
Mon 10/197:10 am -
1 stop7h 14m
Deal found 9/10![American Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:05 am -
2 stops14h 15m
Tue 10/2711:25 am -
2 stops11h 00m
Deal found 9/9![Southwest logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:15 am -
1 stop22h 53m
Mon 10/2610:03 am -
1 stop23h 13m
Deal found 9/10![Frontier logo]()
$372
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 10/235:00 pm -
1 stop7h 10m
Mon 10/264:55 pm -
1 stop6h 55m
Deal found 9/10![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/266:18 pm -
1 stop5h 17m
Fri 10/302:20 pm -
2 stops7h 55m
Deal found 9/10![United Airlines logo]()
$359
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 September 12, 2026.
Search for one-way flight options from Milwaukee to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:10 am -
1 stop23h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$160
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:35 pm -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$165
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:15 am -
1 stop22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$168
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:56 pm -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$170
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/62:35 pm -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$180
This Southwest deal was found by Cheapflights users on 9/8. 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 10/209:05 am -
2 stops14h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$181
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 11/612:45 pm -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$190
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:35 pm -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 9/12. 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 10/147:30 am -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Southwest logo]()
$202
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 10/219:05 am -
2 stops14h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$213
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$219
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Trip.com) |
One-way from | $160 (Trip.com) |
Popular in | April |
Cheapest in | January |
Average price | $406 |
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 7,457,451 searches. Data last updated September 12, 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 Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Thu 9/17
10:10 am-9:10 am
1 stop23h 00m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$160
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Wed 10/28
2:35 pm-8:53 pm
1 stop6h 18m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Tue 10/27
2:35 pm-8:53 pm
1 stop6h 18m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Sun 10/18
10:15 am-9:08 am
1 stop22h 53m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Wed 1/20
5:45 am-2:40 pm
1 stop8h 55m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
Quickest round-trip
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Tue 10/20
4:56 pm-11:07 pm
1 stop6h 11m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Mon 10/26
3:33 pm-11:35 pm
1 stop8h 02m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Tue 10/27
10:15 am-9:34 pm
2 stops35h 19m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$181
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Fri 11/6
12:45 pm-10:10 pm
2 stops9h 25m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$190
MilwaukeeSan Antonio
MKE Milwaukee-Mitchell - SAT San Antonio
MKESAT
Milwaukee-Mitchell
Wed 10/21
6:35 pm-12:33 am
1 stop5h 58m
San Antonio
Mon 10/26
6:20 pm-11:53 pm
1 stop5h 33m
$339
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 September.
| 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, January is the cheapest month in which you can book a flight from Milwaukee to San Antonio (average of $370). Flying from Milwaukee to San Antonio in April is currently the most expensive (average of $505). 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 $379 and $466 in October.The cheapest round-trip price found within the last 5 days was $279 on Frontier (Oct 15-Oct 19).
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 September 12, 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.
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
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.
Traveling to a place near San Antonio?
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 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$455 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$299 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$311 | Average$406 | FlexibilityNo cancel fee | On-time69% |