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Cheap flights from Montreal to San Antonio from $200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to San Antonio departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 3:10 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
10h 10m1 stop Newark
United Airlines Logo
6:30 am - 5:30 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 00m1 stop Chicago O'Hare Intl
$347United Airlines
Wed, Sep 9 - Sat, Sep 12
American Airlines Logo
7:29 am - 9:38 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
15h 09m1 stop Charlotte Douglas
American Airlines Logo
7:28 am - 4:53 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
8h 25m1 stop Chicago O'Hare Intl
$347American Airlines
Sat, Sep 12 - Sat, Sep 19
Delta Logo
6:00 am - 10:39 amYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
5h 39m1 stop Detroit Metropolitan Wayne County
Delta Logo
11:36 am - 11:27 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 51m1 stop Detroit Metropolitan Wayne County
$348Delta
Tue, Sep 15 - Tue, Sep 22
United Airlines Logo
6:00 am - 3:10 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
10h 10m1 stop Newark
United Airlines Logo
6:30 am - 5:30 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 00m1 stop Chicago O'Hare Intl
$348United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
9:45 am - 10:44 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
13h 59m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
7:35 am - 5:30 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
8h 55m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$348United Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
9:15 am - 10:51 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
14h 36m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
6:30 am - 5:30 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 00m1 stop Chicago O'Hare Intl
$348United Airlines
Sat, Sep 12 - Sat, Sep 19
Delta Logo
7:00 am - 4:39 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
10h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:43 pm - 11:52 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
8h 09m1 stop Atlanta Hartsfield-Jackson
$380Delta
Fri, Sep 4 - Sun, Sep 6
United Airlines Logo
9:15 am - 9:16 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
13h 01m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
United Airlines Logo
6:00 am - 4:10 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
9h 10m1 stop Newark
$380United Airlines
Fri, Sep 4 - Sun, Sep 6
United Airlines Logo
2:20 pm - 10:39 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
9h 19m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
United Airlines Logo
6:30 am - 7:45 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
12h 15m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$380United Airlines
Fri, Sep 4 - Sun, Sep 6
United Airlines Logo
6:00 am - 4:31 pmYUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
11h 31m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 10:06 pmSAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
9h 06m2 stops Houston George Bush Intcntl Newark
$384United Airlines
Sat, Sep 12 - Tue, Sep 15

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United Airlines flights from Montreal to San Antonio

Our best United Airlines deals on Montreal to San Antonio flight tickets
United Airlines
Sep 9
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
10h 10m
1 stop
SAT3:10 pmSan Antonio
Sep 12
SAT6:30 amSan Antonio
10h 00m
1 stop
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
$347
United Airlines
Sep 9
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
10h 10m
1 stop
SAT3:10 pmSan Antonio
Sep 12
SAT6:30 amSan Antonio
10h 00m
1 stop
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
$348
United Airlines
Sep 4
YUL2:20 pmMontreal Pierre Elliott Trudeau Intl
9h 19m
2 stops
SAT10:39 pmSan Antonio
Sep 6
SAT6:30 amSan Antonio
12h 15m
2 stops
YUL7:45 pmMontreal Pierre Elliott Trudeau Intl
$380

Air Canada flights from Montreal to San Antonio

Our best Air Canada deals on Montreal to San Antonio flight tickets
Air Canada
Sep 15
YUL4:40 pmMontreal Pierre Elliott Trudeau Intl
7h 04m
1 stop
SAT10:44 pmSan Antonio
Sep 22
SAT6:30 amSan Antonio
9h 53m
2 stops
YUL5:23 pmMontreal Pierre Elliott Trudeau Intl
$407
Air Canada
Sep 15
YUL11:10 amMontreal Pierre Elliott Trudeau Intl
11h 06m
2 stops
SAT9:16 pmSan Antonio
Sep 22
SAT5:30 amSan Antonio
10h 40m
2 stops
YUL5:10 pmMontreal Pierre Elliott Trudeau Intl
$416

momondo Fare Finder

 
Customize your flight search to find flights from Montreal 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 August 5, 2026.
Use the filters below to find and compare flights from Montreal to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

6:00 am-3:10 pm

1 stop10h 10m

San Antonio

Sat 9/12

6:30 am-5:30 pm

1 stop10h 00m

$347

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 9/12

7:29 am-9:38 pm

1 stop15h 09m

San Antonio

Sat 9/19

7:28 am-4:53 pm

1 stop8h 25m

$347
Quickest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 9/15

6:00 am-10:39 am

1 stop5h 39m

San Antonio

Tue 9/22

11:36 am-11:27 pm

1 stop10h 51m

$348

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

6:00 am-3:10 pm

1 stop10h 10m

San Antonio

Sat 9/12

6:30 am-5:30 pm

1 stop10h 00m

$348

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 9/12

9:45 am-10:44 pm

2 stops13h 59m

San Antonio

Sat 9/19

7:35 am-5:30 pm

2 stops8h 55m

$348

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 9/12

9:15 am-10:51 pm

2 stops14h 36m

San Antonio

Sat 9/19

6:30 am-5:30 pm

1 stop10h 00m

$348

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 9/4

7:00 am-4:39 pm

1 stop10h 39m

San Antonio

Sun 9/6

2:43 pm-11:52 pm

1 stop8h 09m

$380

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 9/4

9:15 am-9:16 pm

2 stops13h 01m

San Antonio

Sun 9/6

6:00 am-4:10 pm

1 stop9h 10m

$380

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 9/4

2:20 pm-10:39 pm

2 stops9h 19m

San Antonio

Sun 9/6

6:30 am-7:45 pm

2 stops12h 15m

$380

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 9/12

6:00 am-4:31 pm

2 stops11h 31m

San Antonio

Tue 9/15

12:00 pm-10:06 pm

2 stops9h 06m

$384

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 Montreal 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 Montreal during April instead. Flights to San Antonio in April, while not as cheap as those in August, still average around $441.

When to book flights from Montreal to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to San Antonio (YMQ to SAT) flight deals and tips

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

Fastest flight time

6h 51m

Direct flights

None
The fastest flight from Montreal to San Antonio takes 6h 51m
There are no direct flights from Montreal to San Antonio. There are no popular flight routes from Montreal to San Antonio.
Search flight deals

Frequently asked questions about flying from Montreal to San Antonio

  • How far is Montreal to San Antonio by plane?

    There are 1747.4 mi between Montreal and San Antonio. 6h 51m is a normal flight duration for this route.

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

    Prices for flights from Montreal to San Antonio Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal 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.

Best airlines flying from Montreal to San Antonio

Compare and see reviews for airlines that fly from Montreal to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $354Free CancellationRating
7.8
8,490 reviews
Search Delta flights

Traveling to a place near San Antonio?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from Montreal.

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

Yes. All flights to San Antonio from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from Montreal.

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

Yes. momondo can track prices for Montreal to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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