How many flights depart from Michigan to San Antonio on average per day?

The number of flights available between Michigan and San Antonio is 24 per day as of March 2026. The most frequent departure time is 8:00PM, with 59% of daily flights leaving in the evening.

How many flights depart from Michigan to San Antonio on average per week?

170 flights are operational weekly from Michigan to San Antonio as of March 2026. The most popular departure day for this route is Fri, with 20% of flights per week taking off on this day.

How long does it take to fly to San Antonio?

Flight times vary depending on what airport in Michigan you fly out of and what airport in San Antonio you fly into. For example, flying from Grand Rapids to Austin takes 2h 45m on average. On the other hand, flying from Detroit to Austin takes 2h 55m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from Michigan to San Antonio?

Frontier, Delta, and Southwest are the most popular carriers operating from Michigan to San Antonio

What airlines fly to San Antonio?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to San Antonio from Michigan according to our data. Delta is the first choice among our users, with 50% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

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?

As of March 2026, there are 6 operators available to choose from 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.

$80 Cheap Flights from Michigan to San Antonio in 2026

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Find the cheapest flights from Michigan to San Antonio

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:48 pm - 3:09 pm

GRR

SAT

19h 21m

1 stop

3:00 pm - 8:03 pm

SAT

GRR

28h 03m

1 stop

$191Frontier

Pzt, Nis 27 - Per, Nis 30

8:48 pm - 3:09 pm

GRR

SAT

19h 21m

1 stop

7:54 pm - 7:44 pm

SAT

GRR

22h 50m

1 stop

$211Frontier

Pzt, Nis 27 - Cum, May 8

6:05 am - 11:21 am

GRR

SAT

6h 16m

1 stop

5:20 am - 11:18 am

SAT

GRR

4h 58m

1 stop

$275Delta

Sal, May 5 - Sal, May 12

10:49 am - 9:27 am

SBN

SAT

23h 38m

1 stop

6:00 am - 9:59 am

SAT

SBN

26h 59m

1 stop

$277Multiple Airlines

Pzt, Nis 13 - Per, Nis 16

12:22 pm - 8:08 pm

GRR

SAT

8h 46m

1 stop

4:28 pm - 12:17 am

SAT

GRR

6h 49m

2 stops

$280American Airlines

Sal, May 5 - Sal, May 12

5:05 pm - 11:50 pm

GRR

SAT

7h 45m

1 stop

6:20 am - 3:20 pm

SAT

GRR

8h 00m

1 stop

$281Southwest

Sal, Nis 14 - Sal, Nis 21

5:05 pm - 11:50 pm

GRR

SAT

7h 45m

1 stop

7:00 am - 3:20 pm

SAT

GRR

7h 20m

2 stops

$287Southwest

Sal, Nis 14 - Sal, Nis 21

12:00 pm - 9:27 am

ORD

SAT

21h 27m

1 stop

4:49 pm - 9:50 am

SAT

ORD

17h 01m

1 stop

$288Multiple Airlines

Paz, Nis 12 - Çar, Nis 15

4:55 pm - 9:57 pm

SBN

SAT

6h 02m

1 stop

5:00 am - 11:57 am

SAT

SBN

5h 57m

1 stop

$291American Airlines

Çar, May 13 - Sal, May 19

9:22 am - 3:52 pm

MDW

SAT

6h 30m

1 stop

7:55 am - 4:12 pm

SAT

MDW

8h 17m

1 stop

$302Delta

Çar, May 20 - Pzt, Haz 1

Southwest flights from Michigan to San Antonio

Our best Southwest deals on Michigan to San Antonio flight tickets

Southwest

Apr 14

GRR5:05 pmGrand Rapids Gerald R. Ford Intl

7h 45m

1 stop

SAT11:50 pmSan Antonio

Apr 21

SAT6:20 amSan Antonio

8h 00m

1 stop

GRR3:20 pmGrand Rapids Gerald R. Ford Intl

$281

Southwest

Apr 14

GRR5:05 pmGrand Rapids Gerald R. Ford Intl

7h 45m

1 stop

SAT11:50 pmSan Antonio

Apr 21

SAT7:00 amSan Antonio

7h 20m

2 stops

GRR3:20 pmGrand Rapids Gerald R. Ford Intl

$287

Southwest

Apr 18

MDW6:15 pmChicago Midway

2h 50m

SAT9:05 pmSan Antonio

Apr 25

SAT7:15 amSan Antonio

2h 35m

MDW9:50 amChicago Midway

$290

American Airlines flights from Michigan to San Antonio

Our best American Airlines deals on Michigan to San Antonio flight tickets

American Airlines

May 5

GRR12:22 pmGrand Rapids Gerald R. Ford Intl

8h 46m

1 stop

SAT8:08 pmSan Antonio

May 12

SAT4:28 pmSan Antonio

6h 49m

2 stops

GRR12:17 amGrand Rapids Gerald R. Ford Intl

$280

American Airlines

May 13

SBN4:55 pmSouth Bend/Michiana

6h 02m

1 stop

SAT9:57 pmSan Antonio

May 19

SAT5:00 amSan Antonio

5h 57m

1 stop

SBN11:57 amSouth Bend/Michiana

$291

American Airlines

Apr 25

GRR2:02 pmGrand Rapids Gerald R. Ford Intl

6h 42m

1 stop

SAT7:44 pmSan Antonio

Apr 29

SAT5:00 amSan Antonio

7h 06m

1 stop

GRR1:06 pmGrand Rapids Gerald R. Ford Intl

$304

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Grand RapidsSan Antonio

GRR - SAT

GRRSAT

Grand Rapids Gerald R. Ford Intl

Pzt 4/27

8:48 pm-3:09 pm

1 stop19h 21m

San Antonio

Per 4/30

3:00 pm-8:03 pm

1 stop28h 03m

$191

Grand RapidsSan Antonio

GRR - SAT

GRRSAT

Grand Rapids Gerald R. Ford Intl

Pzt 4/27

8:48 pm-3:09 pm

1 stop19h 21m

San Antonio

Cum 5/8

7:54 pm-7:44 pm

1 stop22h 50m

$211

Quickest round-trip

Grand RapidsSan Antonio

GRR - SAT

GRRSAT

Grand Rapids Gerald R. Ford Intl

Sal 5/5

6:05 am-11:21 am

1 stop6h 16m

San Antonio

Sal 5/12

5:20 am-11:18 am

1 stop4h 58m

$275

South BendSan Antonio

SBN - SAT

SBNSAT

South Bend/Michiana

Pzt 4/13

10:49 am-9:27 am

1 stop23h 38m

San Antonio

Per 4/16

6:00 am-9:59 am

1 stop26h 59m

$277

Grand RapidsSan Antonio

GRR - SAT

GRRSAT

Grand Rapids Gerald R. Ford Intl

Sal 5/5

12:22 pm-8:08 pm

1 stop8h 46m

San Antonio

Sal 5/12

4:28 pm-12:17 am

2 stops6h 49m

$280

Grand RapidsSan Antonio

GRR - SAT

GRRSAT

Grand Rapids Gerald R. Ford Intl

Sal 4/14

5:05 pm-11:50 pm

1 stop7h 45m

San Antonio

Sal 4/21

6:20 am-3:20 pm

1 stop8h 00m

$281

Grand RapidsSan Antonio

GRR - SAT

GRRSAT

Grand Rapids Gerald R. Ford Intl

Sal 4/14

5:05 pm-11:50 pm

1 stop7h 45m

San Antonio

Sal 4/21

7:00 am-3:20 pm

2 stops7h 20m

$287

ChicagoSan Antonio

ORD - SAT

ORDSAT

Chicago O'Hare Intl

Paz 4/12

12:00 pm-9:27 am

1 stop21h 27m

San Antonio

Çar 4/15

4:49 pm-9:50 am

1 stop17h 01m

$288

South BendSan Antonio

SBN - SAT

SBNSAT

South Bend/Michiana

Çar 5/13

4:55 pm-9:57 pm

1 stop6h 02m

San Antonio

Sal 5/19

5:00 am-11:57 am

1 stop5h 57m

$291

ChicagoSan Antonio

MDW - SAT

MDWSAT

Chicago Midway

Çar 5/20

9:22 am-3:52 pm

1 stop6h 30m

San Antonio

Pzt 6/1

7:55 am-4:12 pm

1 stop8h 17m

$302

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $374. 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 $449.

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 in the evening. momondo users have found flights departing from Michigan to San Antonio in the evening for as low as $397. 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 $420. 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 $388 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	$288
Fastest flight time	2h 40m
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 $288. The best round-trip flight deal from Michigan to San Antonio found on momondo in the last 72 hours is $359.

The fastest flight from Michigan to San Antonio takes 2h 40m

Direct flights go from Michigan to San Antonio every day.

There is 1 airport in San Antonio. From Michigan there are direct flights to 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?
As of March 2026, there are 6 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Michigan to San Antonio is Airbus A319, representing 73.71% of all bookings. The subsequent popular models are Airbus A320-100/200 at 17.67%, Airbus A320neo at 1.29%, and Boeing 737 MAX 8 at 1.29%.

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 Airlines	PriceFrom $86	Free Cancellation	Rating 6.3 8,550 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $99	Free Cancellation	Rating 5.7 3,013 reviews	Search Frontier flights
Delta	PriceFrom $198	Free Cancellation	Rating 7.9 8,341 reviews	Search Delta flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 9,491 reviews	Search United Airlines flights
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.1 11,507 reviews	Search American Airlines flights
Southwest	PriceFrom $326	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights

New Braunfels

Kerrville

Boerne

Pleasanton

Schertz

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

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Cheap flights from Michigan to San Antonio from $80

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 5/8. 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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Southwest flights from Michigan to San Antonio

Our best Southwest deals on Michigan to San Antonio flight tickets

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Our best American Airlines deals on Michigan to San Antonio flight tickets

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

What is the cheapest month to fly to San Antonio?

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

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

What is the cheapest Michigan to San Antonio flight route?

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

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

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

What is the cheapest airline that flies from Michigan to San Antonio?

What airlines fly to San Antonio?

How many flights depart from Michigan to San Antonio on average per day?

How many flights depart from Michigan to San Antonio on average per week?

How long does it take to fly 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

Fastest flight time

Direct flights

Airports in 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

Traveling to a place near San Antonio?

Why use momondo?

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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Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in San Antonio. Availability may vary depending on flight origin and airline.

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