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Cheap flights from Michigan to San Antonio from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Michigan to San Antonio departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Michigan to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:57 am - 6:19 pmGRR-SAT
9h 22m1 stop
Frontier Logo
7:00 am - 3:49 pmSAT-GRR
7h 49m1 stop
$141Frontier
Find Deal
Sat, Nov 22 - Tue, Nov 25
Frontier Logo
4:44 pm - 12:20 amGRR-SAT
8h 36m1 stop
Frontier Logo
7:00 am - 3:49 pmSAT-GRR
7h 49m1 stop
$144Frontier
Find Deal
Fri, Nov 21 - Sun, Nov 23
Multiple Airlines Logo
10:12 am - 6:32 pmORD-SAT
8h 20m1 stop
Multiple Airlines Logo
3:06 pm - 12:12 amSAT-ORD
9h 06m1 stop
$164Multiple Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 4
Multiple Airlines Logo
6:05 pm - 2:28 pmORD-SAT
20h 23m1 stop
Multiple Airlines Logo
7:37 pm - 9:17 amSAT-ORD
13h 40m1 stop
$165Multiple Airlines
Find Deal
Wed, Nov 19 - Mon, Nov 24
Spirit Airlines Logo
10:12 am - 6:32 pmORD-SAT
8h 20m1 stop
Spirit Airlines Logo
3:10 pm - 9:48 pmSAT-ORD
6h 38m1 stop
$196Spirit Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5
Spirit Airlines Logo
10:18 am - 10:27 pmORD-SAT
12h 09m1 stop
Spirit Airlines Logo
4:16 pm - 11:42 pmSAT-ORD
7h 26m1 stop
$198Spirit Airlines
Find Deal
Wed, Feb 18 - Sun, Feb 22
American Airlines Logo
10:24 am - 6:56 pmORD-SAT
8h 32m1 stop
American Airlines Logo
6:44 am - 3:45 pmSAT-ORD
9h 01m1 stop
$213American Airlines
Find Deal
Tue, Dec 16 - Thu, Dec 25
American Airlines Logo
10:00 am - 1:08 pmORD-SAT
3h 08mnonstop
American Airlines Logo
6:44 am - 3:45 pmSAT-ORD
9h 01m1 stop
$232American Airlines
Find Deal
Tue, Dec 16 - Thu, Dec 25
Delta Logo
5:18 pm - 12:41 amSBN-SAT
8h 23m1 stop
Delta Logo
5:25 am - 1:25 pmSAT-SBN
7h 00m1 stop
$259Delta
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Wed, Feb 11 - Sat, Feb 21
Delta Logo
6:00 am - 11:11 amMBS-SAT
6h 11m1 stop
Delta Logo
5:20 am - 11:13 amSAT-MBS
4h 53m1 stop
$269Delta
Find Deal
Sat, May 2 - Wed, May 6

Frontier flights from Michigan to San Antonio

Our best Frontier deals on Michigan to San Antonio flight tickets
Frontier
Nov 22
GRR9:57 amGrand Rapids Gerald R. Ford Intl
9h 22m
1 stop
SAT6:19 pmSan Antonio
Nov 25
SAT7:00 amSan Antonio
7h 49m
1 stop
GRR3:49 pmGrand Rapids Gerald R. Ford Intl
$141
Find similar
Frontier
Nov 21
GRR4:44 pmGrand Rapids Gerald R. Ford Intl
8h 36m
1 stop
SAT12:20 amSan Antonio
Nov 23
SAT7:00 amSan Antonio
7h 49m
1 stop
GRR3:49 pmGrand Rapids Gerald R. Ford Intl
$144
Find similar
Frontier
Nov 10
ORD5:05 amChicago O'Hare Intl
11h 35m
1 stop
SAT4:40 pmSan Antonio
Nov 17
SAT5:35 pmSan Antonio
6h 36m
1 stop
ORD12:11 amChicago O'Hare Intl
$160
Find similar

American Airlines flights from Michigan to San Antonio

Our best American Airlines deals on Michigan to San Antonio flight tickets
American Airlines
Dec 16
ORD10:24 amChicago O'Hare Intl
8h 32m
1 stop
SAT6:56 pmSan Antonio
Dec 25
SAT6:44 amSan Antonio
9h 01m
1 stop
ORD3:45 pmChicago O'Hare Intl
$213
Find similar
American Airlines
Dec 16
ORD10:00 amChicago O'Hare Intl
3h 08m
SAT1:08 pmSan Antonio
Dec 25
SAT6:44 amSan Antonio
9h 01m
1 stop
ORD3:45 pmChicago O'Hare Intl
$232
Find similar
American Airlines
Dec 16
ORD8:11 amChicago O'Hare Intl
8h 57m
1 stop
SAT5:08 pmSan Antonio
Dec 25
SAT6:44 amSan Antonio
9h 01m
1 stop
ORD3:45 pmChicago O'Hare Intl
$233
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Michigan 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, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Michigan to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Grand RapidsSan Antonio

GRR - SAT

GRRSAT

Grand Rapids Gerald R. Ford Intl

Sat 11/22

9:57 am-6:19 pm

1 stop9h 22m

San Antonio

Tue 11/25

7:00 am-3:49 pm

1 stop7h 49m

$141

Grand RapidsSan Antonio

GRR - SAT

GRRSAT

Grand Rapids Gerald R. Ford Intl

Fri 11/21

4:44 pm-12:20 am

1 stop8h 36m

San Antonio

Sun 11/23

7:00 am-3:49 pm

1 stop7h 49m

$144

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 12/3

10:12 am-6:32 pm

1 stop8h 20m

San Antonio

Thu 12/4

3:06 pm-12:12 am

1 stop9h 06m

$164

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 11/19

6:05 pm-2:28 pm

1 stop20h 23m

San Antonio

Mon 11/24

7:37 pm-9:17 am

1 stop13h 40m

$165

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Tue 12/2

10:12 am-6:32 pm

1 stop8h 20m

San Antonio

Fri 12/5

3:10 pm-9:48 pm

1 stop6h 38m

$196

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Wed 2/18

10:18 am-10:27 pm

1 stop12h 09m

San Antonio

Sun 2/22

4:16 pm-11:42 pm

1 stop7h 26m

$198

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Tue 12/16

10:24 am-6:56 pm

1 stop8h 32m

San Antonio

Thu 12/25

6:44 am-3:45 pm

1 stop9h 01m

$213

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Tue 12/16

10:00 am-1:08 pm

Nonstop3h 08m

San Antonio

Thu 12/25

6:44 am-3:45 pm

1 stop9h 01m

$232

South BendSan Antonio

SBN - SAT

SBNSAT

South Bend/Michiana

Wed 2/11

5:18 pm-12:41 am

1 stop8h 23m

San Antonio

Sat 2/21

5:25 am-1:25 pm

1 stop7h 00m

$259

Bay CitySan Antonio

MBS - SAT

MBSSAT

Bay City MBS Intl

Sat 5/2

6:00 am-11:11 am

1 stop6h 11m

San Antonio

Wed 5/6

5:20 am-11:13 am

1 stop4h 53m

$269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Michigan to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Michigan during June instead. Flights to San Antonio in June, while not as cheap as those in August, still average around $275.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Friday when prices can be found for as low as $399. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $552.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Michigan to San Antonio at noon for as low as $399. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $468. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Michigan to San Antonio flight route?

Fly from Detroit Metropolitan Wayne County to San Antonio for the best Michigan - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Michigan when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $395 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Michigan for as low as $339 on momondo.

What cabin class options are available on Michigan to San Antonio flights?

There are 3 cabin classes available to choose from on Michigan to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Michigan to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Michigan to San Antonio.

Cheap Michigan to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Michigan to San Antonio

Best Price Found

$248

Fastest flight time

2h 45m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Michigan in the past 72 hours is $248. The best round-trip flight deal from Michigan to San Antonio found on momondo in the last 72 hours is $399.
The fastest flight from Michigan to San Antonio takes 2h 45m
Direct flights go from Michigan to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • When did momondo last update prices for flights from Michigan to San Antonio Airport?

    Prices for flights from Michigan to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Michigan to San Antonio Airport?

  • How old do you have to be to fly from Michigan to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Michigan to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Michigan to San Antonio?

Best airlines flying from Michigan to San Antonio

Compare and see reviews for airlines that fly from Michigan to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $88Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
FrontierPriceFrom $99Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
DeltaPriceFrom $227Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
SouthwestPriceFrom $326Free CancellationRating
8.0
4,237 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Boerne
Kerrville
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Michigan to San Antonio?

Finding the right flight to San Antonio from Michigan is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Michigan to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from Michigan which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Michigan to San Antonio?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Michigan to San Antonio.

I’m not ready to book a flight from Michigan to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Michigan to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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