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Cheap flights from Montreal to San Antonio from $187

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 3/23. 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
0 bags

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Find the cheapest flights from Montreal to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 9:27 am
YUL
-
SAT
26h 27m
1 stop
Multiple Airlines Logo
10:22 am - 4:28 pm
SAT
-
YUL
29h 06m
1 stop
$323Multiple Airlines
Mon, Mar 23 - Tue, Mar 31
Multiple Airlines Logo
8:00 am - 9:27 am
YUL
-
SAT
26h 27m
1 stop
Multiple Airlines Logo
2:13 pm - 12:30 am
SAT
-
YUL
9h 17m
1 stop
$343Multiple Airlines
Mon, Mar 23 - Fri, Mar 27
Multiple Airlines Logo
2:30 pm - 12:27 pm
YUL
-
SAT
22h 57m
2 stops
Multiple Airlines Logo
10:22 am - 4:28 pm
SAT
-
YUL
29h 06m
1 stop
$349Multiple Airlines
Mon, Mar 23 - Tue, Mar 31
Multiple Airlines Logo
4:35 pm - 12:27 pm
YUL
-
SAT
20h 52m
1 stop
Multiple Airlines Logo
1:22 pm - 5:25 pm
SAT
-
YUL
27h 03m
2 stops
$363Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
2:30 pm - 12:27 pm
YUL
-
SAT
22h 57m
2 stops
Multiple Airlines Logo
2:13 pm - 12:30 am
SAT
-
YUL
9h 17m
1 stop
$369Multiple Airlines
Mon, Mar 23 - Fri, Mar 27
Multiple Airlines Logo
6:45 am - 9:27 am
YUL
-
SAT
27h 42m
1 stop
Multiple Airlines Logo
2:13 pm - 12:30 am
SAT
-
YUL
9h 17m
1 stop
$371Multiple Airlines
Sun, Mar 22 - Tue, Mar 31
Multiple Airlines Logo
6:45 am - 9:27 am
YUL
-
SAT
27h 42m
1 stop
Multiple Airlines Logo
1:22 pm - 12:30 am
SAT
-
YUL
10h 08m
1 stop
$386Multiple Airlines
Sun, Mar 22 - Sat, Mar 28
Multiple Airlines Logo
6:45 am - 9:27 am
YUL
-
SAT
27h 42m
2 stops
Multiple Airlines Logo
2:13 pm - 12:30 am
SAT
-
YUL
9h 17m
1 stop
$392Multiple Airlines
Wed, Mar 18 - Tue, Mar 31
Multiple Airlines Logo
6:45 am - 9:27 am
YUL
-
SAT
27h 42m
1 stop
Multiple Airlines Logo
2:13 pm - 12:30 am
SAT
-
YUL
9h 17m
1 stop
$396Multiple Airlines
Wed, Mar 18 - Tue, Mar 31
United Airlines Logo
11:23 am - 10:53 pm
YUL
-
SAT
12h 30m
2 stops
United Airlines Logo
9:40 am - 10:06 pm
SAT
-
YUL
11h 26m
2 stops
$397United Airlines
Wed, Apr 22 - Tue, Apr 28

United Airlines flights from Montreal to San Antonio

Our best United Airlines deals on Montreal to San Antonio flight tickets
United Airlines
Apr 22
YUL11:23 amMontreal Pierre Elliott Trudeau Intl
12h 30m
2 stops
SAT10:53 pmSan Antonio
Apr 28
SAT9:40 amSan Antonio
11h 26m
2 stops
YUL10:06 pmMontreal Pierre Elliott Trudeau Intl
$397
United Airlines
Mar 19
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
13h 10m
2 stops
SAT9:25 pmSan Antonio
Mar 31
SAT5:30 pmSan Antonio
16h 10m
1 stop
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$438
United Airlines
Apr 5
YUL5:00 pmMontreal Pierre Elliott Trudeau Intl
16h 42m
1 stop
SAT8:42 amSan Antonio
Apr 12
SAT7:15 pmSan Antonio
19h 50m
2 stops
YUL4:05 pmMontreal Pierre Elliott Trudeau Intl
$452

American Airlines flights from Montreal to San Antonio

Our best American Airlines deals on Montreal to San Antonio flight tickets
American Airlines
Apr 5
YUL7:12 amMontreal Pierre Elliott Trudeau Intl
16h 43m
1 stop
SAT10:55 pmSan Antonio
Apr 12
SAT6:14 pmSan Antonio
16h 30m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
$401
American Airlines
Apr 4
YUL7:12 amMontreal Pierre Elliott Trudeau Intl
8h 22m
1 stop
SAT2:34 pmSan Antonio
Apr 11
SAT6:10 amSan Antonio
6h 42m
1 stop
YUL1:52 pmMontreal Pierre Elliott Trudeau Intl
$406
American Airlines
Mar 27
YUL7:12 amMontreal Pierre Elliott Trudeau Intl
16h 43m
1 stop
SAT10:55 pmSan Antonio
Mar 29
SAT6:24 amSan Antonio
15h 24m
1 stop
YUL10:48 pmMontreal Pierre Elliott Trudeau Intl
$414

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 February 23, 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

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

8:00 am-9:27 am

1 stop26h 27m

San Antonio

Tue 3/31

10:22 am-4:28 pm

1 stop29h 06m

$323

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

8:00 am-9:27 am

1 stop26h 27m

San Antonio

Fri 3/27

2:13 pm-12:30 am

1 stop9h 17m

$343

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

2:30 pm-12:27 pm

2 stops22h 57m

San Antonio

Tue 3/31

10:22 am-4:28 pm

1 stop29h 06m

$349

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 4/7

4:35 pm-12:27 pm

1 stop20h 52m

San Antonio

Tue 4/14

1:22 pm-5:25 pm

2 stops27h 03m

$363

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

2:30 pm-12:27 pm

2 stops22h 57m

San Antonio

Fri 3/27

2:13 pm-12:30 am

1 stop9h 17m

$369

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

6:45 am-9:27 am

1 stop27h 42m

San Antonio

Tue 3/31

2:13 pm-12:30 am

1 stop9h 17m

$371

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 3/22

6:45 am-9:27 am

1 stop27h 42m

San Antonio

Sat 3/28

1:22 pm-12:30 am

1 stop10h 08m

$386

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 3/18

6:45 am-9:27 am

2 stops27h 42m

San Antonio

Tue 3/31

2:13 pm-12:30 am

1 stop9h 17m

$392

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 3/18

6:45 am-9:27 am

1 stop27h 42m

San Antonio

Tue 3/31

2:13 pm-12:30 am

1 stop9h 17m

$396

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 4/22

11:23 am-10:53 pm

2 stops12h 30m

San Antonio

Tue 4/28

9:40 am-10:06 pm

2 stops11h 26m

$397

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 May, then book flights to San Antonio from Montreal during April instead. Flights to San Antonio in April, while not as cheap as those in May, still average around $341.

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

5h 54m

Direct flights

None
The fastest flight from Montreal to San Antonio takes 5h 54m
There are no direct flights from Montreal to San Antonio. There are no popular flight routes from Montreal to San Antonio.
Search flight deals

  • How far is Montreal to San Antonio by plane?

    There are 1747.4 mi between Montreal and San Antonio. 5h 54m 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 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.

Traveling to a place near San Antonio?

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