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Cheap flights from Montreal to San Antonio from $171

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 10/22. 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 Montreal to San Antonio

Cheap round-trip flights

Multiple Airlines Logo
6:45 am - 11:40 pmYUL-SAT
17h 55m2 stops
Multiple Airlines Logo
4:55 pm - 12:30 amSAT-YUL
30h 35m1 stop
$342Multiple Airlines
Find Deal
Fri, Oct 24 - Thu, Oct 30
United Airlines Logo
7:10 pm - 11:58 amYUL-SAT
17h 48m2 stops
United Airlines Logo
7:30 pm - 3:57 pmSAT-YUL
19h 27m2 stops
$415United Airlines
Find Deal
Fri, Oct 24 - Thu, Oct 30
Multiple Airlines Logo
6:45 am - 6:30 pmYUL-SAT
12h 45m2 stops
Multiple Airlines Logo
6:00 am - 12:43 amSAT-YUL
17h 43m2 stops
$420Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Multiple Airlines Logo
6:45 am - 6:30 pmYUL-SAT
12h 45m2 stops
Multiple Airlines Logo
6:00 am - 12:30 amSAT-YUL
17h 30m1 stop
$422Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Multiple Airlines Logo
6:45 am - 3:11 pmYUL-SAT
9h 26m1 stop
Multiple Airlines Logo
6:23 pm - 12:43 amSAT-YUL
29h 20m2 stops
$430Multiple Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 20
American Airlines Logo
7:29 am - 7:25 pmYUL-SAT
12h 56m1 stop
American Airlines Logo
5:00 am - 3:05 pmSAT-YUL
9h 05m1 stop
$448American Airlines
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Fri, Oct 31 - Fri, Nov 7
WestJet Logo
7:00 am - 1:41 pmYUL-SAT
7h 41m1 stop
WestJet Logo
2:46 pm - 11:59 pmSAT-YUL
8h 13m1 stop
$452WestJet
Find Deal
Tue, Nov 11 - Thu, Nov 20
WestJet Logo
7:00 am - 1:41 pmYUL-SAT
7h 41m1 stop
WestJet Logo
4:51 pm - 11:59 pmSAT-YUL
6h 08m1 stop
$453WestJet
Find Deal
Fri, Nov 28 - Mon, Dec 1
United Airlines Logo
7:00 am - 3:08 pmYUL-SAT
9h 08m1 stop
United Airlines Logo
2:05 pm - 9:17 pmSAT-YUL
6h 12m1 stop
$457United Airlines
Find Deal
Tue, Dec 9 - Thu, Jan 8
Delta Logo
7:00 am - 5:06 pmYUL-SAT
11h 06m1 stop
Delta Logo
3:25 pm - 11:56 pmSAT-YUL
7h 31m1 stop
$544Delta
Find Deal
Wed, Sep 24 - Fri, Sep 26

United Airlines flights from Montreal to San Antonio

Our best United Airlines deals on Montreal to San Antonio flight tickets
United Airlines
Oct 24
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
17h 48m
2 stops
SAT11:58 amSan Antonio
Oct 30
SAT7:30 pmSan Antonio
19h 27m
2 stops
YUL3:57 pmMontreal Pierre Elliott Trudeau Intl
$415
Find similar
United Airlines
Dec 9
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 08m
1 stop
SAT3:08 pmSan Antonio
Jan 8
SAT2:05 pmSan Antonio
6h 12m
1 stop
YUL9:17 pmMontreal Pierre Elliott Trudeau Intl
$457
Find similar
United Airlines
Sep 24
YUL2:20 pmMontreal Pierre Elliott Trudeau Intl
7h 13m
1 stop
SAT8:33 pmSan Antonio
Sep 26
SAT5:09 pmSan Antonio
16h 31m
1 stop
YUL10:40 amMontreal Pierre Elliott Trudeau Intl
$556
Find similar

American Airlines flights from Montreal to San Antonio

Our best American Airlines deals on Montreal to San Antonio flight tickets
American Airlines
Oct 31
YUL7:29 amMontreal Pierre Elliott Trudeau Intl
12h 56m
1 stop
SAT7:25 pmSan Antonio
Nov 7
SAT5:00 amSan Antonio
9h 05m
1 stop
YUL3:05 pmMontreal Pierre Elliott Trudeau Intl
$448
Find similar
American Airlines
Sep 23
YUL7:25 amMontreal Pierre Elliott Trudeau Intl
10h 17m
2 stops
SAT4:42 pmSan Antonio
Sep 26
SAT6:00 amSan Antonio
7h 49m
1 stop
YUL2:49 pmMontreal Pierre Elliott Trudeau Intl
$612
Find similar
American Airlines
Sep 23
YUL2:31 pmMontreal Pierre Elliott Trudeau Intl
9h 29m
2 stops
SAT11:00 pmSan Antonio
Sep 26
SAT5:00 amSan Antonio
9h 29m
2 stops
YUL3:29 pmMontreal Pierre Elliott Trudeau Intl
$617
Find similar

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 September 18, 2025.
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

Fri 10/24

6:45 am-11:40 pm

2 stops17h 55m

San Antonio

Thu 10/30

4:55 pm-12:30 am

1 stop30h 35m

$342

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 10/24

7:10 pm-11:58 am

2 stops17h 48m

San Antonio

Thu 10/30

7:30 pm-3:57 pm

2 stops19h 27m

$415

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

6:45 am-6:30 pm

2 stops12h 45m

San Antonio

Fri 11/7

6:00 am-12:43 am

2 stops17h 43m

$420

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

6:45 am-6:30 pm

2 stops12h 45m

San Antonio

Fri 11/7

6:00 am-12:30 am

1 stop17h 30m

$422

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

6:45 am-3:11 pm

1 stop9h 26m

San Antonio

Thu 11/20

6:23 pm-12:43 am

2 stops29h 20m

$430

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

7:29 am-7:25 pm

1 stop12h 56m

San Antonio

Fri 11/7

5:00 am-3:05 pm

1 stop9h 05m

$448

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

7:00 am-1:41 pm

1 stop7h 41m

San Antonio

Thu 11/20

2:46 pm-11:59 pm

1 stop8h 13m

$452

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 11/28

7:00 am-1:41 pm

1 stop7h 41m

San Antonio

Mon 12/1

4:51 pm-11:59 pm

1 stop6h 08m

$453

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 12/9

7:00 am-3:08 pm

1 stop9h 08m

San Antonio

Thu 1/8

2:05 pm-9:17 pm

1 stop6h 12m

$457

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

7:00 am-5:06 pm

1 stop11h 06m

San Antonio

Fri 9/26

3:25 pm-11:56 pm

1 stop7h 31m

$544

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 typical price of a round-trip flight between Montreal and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of January, then book flights to San Antonio from Montreal during May instead. Flights to San Antonio in May, while not as cheap as those in January, still average around $348.

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 Thursday when prices can be found for as low as $371. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $603.

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 morning. momondo users have found flights departing from Montreal to San Antonio in the morning for as low as $418. 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 afternoon, with an average ticket price of $461. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to San Antonio from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $456 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Montreal for as low as $332 on momondo.

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

Direct flights

None
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. 6h 40m 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
WestJetPriceFrom $457Free CancellationRating
7.2
3,095 reviews
Search WestJet 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
Boerne
Schertz
Pleasanton

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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