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Cheap flights from Montreal to San Antonio from C$ 276

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 13/12. 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

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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
6:45 a.m. - 6:32 p.m.YUL-SAT
12h 47m2 stops
Multiple Airlines Logo
7:37 p.m. - 4:55 p.m.SAT-YUL
20h 18m2 stops
C$ 561Multiple Airlines
Find Deal
Wed, 19 Nov - Wed, 26 Nov
Multiple Airlines Logo
6:45 a.m. - 3:11 p.m.YUL-SAT
9h 26m1 stop
Multiple Airlines Logo
4:16 p.m. - 8:26 a.m.SAT-YUL
15h 10m2 stops
C$ 582Multiple Airlines
Find Deal
Mon, 9 Feb - Thu, 26 Feb
Delta Logo
7:10 a.m. - 5:18 p.m.YUL-SAT
11h 08m1 stop
Delta Logo
5:15 a.m. - 3:55 p.m.SAT-YUL
9h 40m1 stop
C$ 592Delta
Find Deal
Wed, 19 Nov - Wed, 26 Nov
United Airlines Logo
4:45 p.m. - 11:16 p.m.YUL-SAT
7h 31m1 stop
United Airlines Logo
12:12 p.m. - 7:48 p.m.SAT-YUL
6h 36m1 stop
C$ 594United Airlines
Find Deal
Wed, 19 Nov - Wed, 26 Nov
United Airlines Logo
6:15 p.m. - 11:12 p.m.YUL-SAT
29h 57m1 stop
United Airlines Logo
5:20 p.m. - 2:00 p.m.SAT-YUL
19h 40m1 stop
C$ 609United Airlines
Find Deal
Fri, 13 Feb - Sun, 15 Feb
Delta Logo
7:00 a.m. - 3:52 p.m.YUL-SAT
9h 52m1 stop
Delta Logo
4:57 p.m. - 11:59 p.m.SAT-YUL
6h 02m1 stop
C$ 610Delta
Find Deal
Thu, 27 Nov - Mon, 1 Dec
Air Canada Logo
8:50 a.m. - 3:38 p.m.YUL-SAT
7h 48m2 stops
Air Canada Logo
12:10 p.m. - 8:18 p.m.SAT-YUL
7h 08m1 stop
C$ 724Air Canada
Find Deal
Fri, 3 Apr - Tue, 7 Apr
Air Canada Logo
8:50 a.m. - 3:38 p.m.YUL-SAT
7h 48m2 stops
Air Canada Logo
7:00 a.m. - 3:39 p.m.SAT-YUL
7h 39m2 stops
C$ 725Air Canada
Find Deal
Fri, 3 Apr - Tue, 7 Apr
WestJet Logo
12:37 p.m. - 6:53 p.m.YUL-SAT
7h 16m1 stop
WestJet Logo
5:20 a.m. - 11:59 a.m.SAT-YUL
5h 39m1 stop
C$ 808WestJet
Find Deal
Wed, 24 Dec - Sat, 3 Jan
WestJet Logo
6:45 a.m. - 11:08 a.m.YUL-SAT
29h 23m2 stops
WestJet Logo
5:20 a.m. - 11:19 p.m.SAT-YUL
16h 59m1 stop
C$ 822WestJet
Find Deal
Wed, 24 Dec - Sat, 3 Jan

Delta flights from Montreal to San Antonio

Our best Delta deals on Montreal to San Antonio flight tickets
Delta
19 Nov
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
11h 08m
1 stop
SAT5:18 p.m.San Antonio
26 Nov
SAT5:15 a.m.San Antonio
9h 40m
1 stop
YUL3:55 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 592
Find similar
Delta
6 Nov
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 56m
1 stop
SAT3:56 p.m.San Antonio
12 Nov
SAT1:05 p.m.San Antonio
9h 54m
1 stop
YUL11:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 594
Find similar
Delta
27 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 52m
1 stop
SAT3:52 p.m.San Antonio
1 Dec
SAT4:57 p.m.San Antonio
6h 02m
1 stop
YUL11:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 610
Find similar

United Airlines flights from Montreal to San Antonio

Our best United Airlines deals on Montreal to San Antonio flight tickets
United Airlines
19 Nov
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
7h 31m
1 stop
SAT11:16 p.m.San Antonio
26 Nov
SAT12:12 p.m.San Antonio
6h 36m
1 stop
YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 594
Find similar
United Airlines
13 Feb
YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl
29h 57m
1 stop
SAT11:12 p.m.San Antonio
15 Feb
SAT5:20 p.m.San Antonio
19h 40m
1 stop
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 609
Find similar
United Airlines
12 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 29m
2 stops
SAT3:29 p.m.San Antonio
23 Nov
SAT7:30 p.m.San Antonio
13h 40m
2 stops
YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 665
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 96,600 searches. Data last updated 23 October 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

Wed 19/11

6:45 a.m.-6:32 p.m.

2 stops12h 47m

San Antonio

Wed 26/11

7:37 p.m.-4:55 p.m.

2 stops20h 18m

C$ 561

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

6:45 a.m.-3:11 p.m.

1 stop9h 26m

San Antonio

Thu 26/2

4:16 p.m.-8:26 a.m.

2 stops15h 10m

C$ 582

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

7:10 a.m.-5:18 p.m.

1 stop11h 08m

San Antonio

Wed 26/11

5:15 a.m.-3:55 p.m.

1 stop9h 40m

C$ 592

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

4:45 p.m.-11:16 p.m.

1 stop7h 31m

San Antonio

Wed 26/11

12:12 p.m.-7:48 p.m.

1 stop6h 36m

C$ 594

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

6:15 p.m.-11:12 p.m.

1 stop29h 57m

San Antonio

Sun 15/2

5:20 p.m.-2:00 p.m.

1 stop19h 40m

C$ 609

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

7:00 a.m.-3:52 p.m.

1 stop9h 52m

San Antonio

Mon 1/12

4:57 p.m.-11:59 p.m.

1 stop6h 02m

C$ 610

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

8:50 a.m.-3:38 p.m.

2 stops7h 48m

San Antonio

Tue 7/4

12:10 p.m.-8:18 p.m.

1 stop7h 08m

C$ 724

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

8:50 a.m.-3:38 p.m.

2 stops7h 48m

San Antonio

Tue 7/4

7:00 a.m.-3:39 p.m.

2 stops7h 39m

C$ 725

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 24/12

12:37 p.m.-6:53 p.m.

1 stop7h 16m

San Antonio

Sat 3/1

5:20 a.m.-11:59 a.m.

1 stop5h 39m

C$ 808

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 24/12

6:45 a.m.-11:08 a.m.

2 stops29h 23m

San Antonio

Sat 3/1

5:20 a.m.-11:19 p.m.

1 stop16h 59m

C$ 822

Flights are sorted by cheapest round-trip flights 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?

The cheapest month to fly to San Antonio from Montreal is in January. Flight prices, which tend to average around C$ 482, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in January, then May is your next best option. Flight prices from Montreal to San Antonio during May average around C$ 487.

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

Our data shows that Wednesday is the least expensive day to fly to San Antonio. Tickets to fly out on this day can be as low as C$ 544. 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 C$ 677.

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

At noon is the cheapest time of day to fly from Montreal to San Antonio when you can find flight prices for as low as C$ 545. Flying to San Antonio at noon is an ideal time because this is during off-peak travel hours. Flights to San Antonio are more costly in the morning, with an average ticket price of C$ 613. Departure times in the morning 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 C$ 649 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 C$ 461 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.
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  • How far is Montreal to San Antonio by plane?

    Montreal and San Antonio are 2812.2 km apart from one another. Typically, this will take 6h 59m by plane in normal conditions.

  • 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?

    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 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.

  • What is the most popular airline from Montreal to San Antonio?

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
United AirlinesPriceFrom C$ 340Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
DeltaPriceFrom C$ 360Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Air CanadaPriceFrom C$ 389Free CancellationRating
7.1
10,346 reviews
Search Air Canada flights
WestJetPriceFrom C$ 478Free CancellationRating
7.2
3,133 reviews
Search WestJet flights

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?

All flight searches from Montreal to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

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

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

Yes momondo offers price alerts on flights to San Antonio from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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