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Cheap flights from Montreal to San Antonio from C$ 315

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 20/1. 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.
Delta Logo
4:46 p.m. - 10:55 p.m.
YUL
-
SAT
7h 09m1 stop
Delta Logo
5:30 a.m. - 3:56 p.m.
SAT
-
YUL
9h 26m1 stop
C$ 589Delta
Thu, 22 Jan - Mon, 26 Jan
United Airlines Logo
2:13 p.m. - 10:57 p.m.
YUL
-
SAT
9h 44m2 stops
United Airlines Logo
7:25 a.m. - 3:16 p.m.
SAT
-
YUL
6h 51m1 stop
C$ 593United Airlines
Thu, 22 Jan - Mon, 26 Jan
Delta Logo
12:55 p.m. - 10:42 p.m.
YUL
-
SAT
10h 47m1 stop
Delta Logo
5:10 a.m. - 11:57 a.m.
SAT
-
YUL
5h 47m1 stop
C$ 627Delta
Fri, 20 Mar - Sun, 22 Mar
United Airlines Logo
6:30 p.m. - 8:37 a.m.
YUL
-
SAT
15h 07m2 stops
United Airlines Logo
5:57 p.m. - 10:37 a.m.
SAT
-
YUL
15h 40m2 stops
C$ 630United Airlines
Fri, 3 Apr - Mon, 6 Apr
Delta Logo
12:37 p.m. - 8:33 p.m.
YUL
-
SAT
8h 56m1 stop
Delta Logo
5:10 a.m. - 3:55 p.m.
SAT
-
YUL
9h 45m1 stop
C$ 631Delta
Tue, 31 Mar - Sun, 5 Apr
United Airlines Logo
7:00 p.m. - 8:38 a.m.
YUL
-
SAT
14h 38m2 stops
United Airlines Logo
7:05 a.m. - 3:16 p.m.
SAT
-
YUL
7h 11m1 stop
C$ 699United Airlines
Fri, 20 Mar - Sun, 22 Mar
United Airlines Logo
7:00 p.m. - 8:38 a.m.
YUL
-
SAT
14h 38m2 stops
United Airlines Logo
7:05 a.m. - 3:16 p.m.
SAT
-
YUL
7h 11m1 stop
C$ 705United Airlines
Fri, 20 Mar - Sun, 22 Mar
American Airlines Logo
12:59 p.m. - 10:54 p.m.
YUL
-
SAT
10h 55m2 stops
American Airlines Logo
9:13 a.m. - 10:56 p.m.
SAT
-
YUL
12h 43m2 stops
C$ 739American Airlines
Tue, 31 Mar - Sun, 5 Apr
United Airlines Logo
7:00 p.m. - 8:38 a.m.
YUL
-
SAT
14h 38m2 stops
United Airlines Logo
7:00 p.m. - 10:20 a.m.
SAT
-
YUL
14h 20m2 stops
C$ 783United Airlines
Fri, 20 Mar - Sun, 22 Mar
Multiple Airlines Logo
2:30 p.m. - 9:22 a.m.
YUL
-
SAT
19h 52m2 stops
Multiple Airlines Logo
10:26 a.m. - 3:15 p.m.
SAT
-
YUL
27h 49m3 stops
C$ 836Multiple Airlines
Fri, 3 Apr - Mon, 6 Apr

American Airlines flights from Montreal to San Antonio

Our best American Airlines deals on Montreal to San Antonio flight tickets
American Airlines
31 Mar
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
10h 55m
2 stops
SAT10:54 p.m.San Antonio
5 Apr
SAT9:13 a.m.San Antonio
12h 43m
2 stops
YUL10:56 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 739
Find similar
American Airlines
19 Dec
YUL3:51 p.m.Montreal Pierre Elliott Trudeau Intl
12h 09m
1 stop
SAT3:00 a.m.San Antonio
28 Dec
SAT8:19 p.m.San Antonio
17h 55m
1 stop
YUL3:14 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 959
Find similar
American Airlines
22 Dec
YUL3:59 p.m.Montreal Pierre Elliott Trudeau Intl
8h 52m
2 stops
SAT11:51 p.m.San Antonio
3 Jan
SAT8:19 p.m.San Antonio
17h 55m
1 stop
YUL3:14 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 978
Find similar

WestJet flights from Montreal to San Antonio

Our best WestJet deals on Montreal to San Antonio flight tickets
WestJet
5 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
14h 25m
1 stop
SAT8:25 p.m.San Antonio
7 Mar
SAT6:15 a.m.San Antonio
6h 25m
1 stop
YUL1:40 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 848
Find similar
WestJet
19 Dec
YUL6:30 p.m.Montreal Pierre Elliott Trudeau Intl
23h 48m
1 stop
SAT5:18 p.m.San Antonio
28 Dec
SAT5:20 a.m.San Antonio
16h 59m
1 stop
YUL11:19 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,044
Find similar
WestJet
19 Dec
YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl
53h 05m
2 stops
SAT11:35 p.m.San Antonio
28 Dec
SAT11:16 a.m.San Antonio
23h 16m
1 stop
YUL11:32 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,091
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 8 December 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

Thu 22/1

4:46 p.m.-10:55 p.m.

1 stop7h 09m

San Antonio

Mon 26/1

5:30 a.m.-3:56 p.m.

1 stop9h 26m

C$ 589

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

2:13 p.m.-10:57 p.m.

2 stops9h 44m

San Antonio

Mon 26/1

7:25 a.m.-3:16 p.m.

1 stop6h 51m

C$ 593

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

12:55 p.m.-10:42 p.m.

1 stop10h 47m

San Antonio

Sun 22/3

5:10 a.m.-11:57 a.m.

1 stop5h 47m

C$ 627

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

6:30 p.m.-8:37 a.m.

2 stops15h 07m

San Antonio

Mon 6/4

5:57 p.m.-10:37 a.m.

2 stops15h 40m

C$ 630

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

12:37 p.m.-8:33 p.m.

1 stop8h 56m

San Antonio

Sun 5/4

5:10 a.m.-3:55 p.m.

1 stop9h 45m

C$ 631

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

7:00 p.m.-8:38 a.m.

2 stops14h 38m

San Antonio

Sun 22/3

7:05 a.m.-3:16 p.m.

1 stop7h 11m

C$ 699

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

7:00 p.m.-8:38 a.m.

2 stops14h 38m

San Antonio

Sun 22/3

7:05 a.m.-3:16 p.m.

1 stop7h 11m

C$ 705

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

12:59 p.m.-10:54 p.m.

2 stops10h 55m

San Antonio

Sun 5/4

9:13 a.m.-10:56 p.m.

2 stops12h 43m

C$ 739

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

7:00 p.m.-8:38 a.m.

2 stops14h 38m

San Antonio

Sun 22/3

7:00 p.m.-10:20 a.m.

2 stops14h 20m

C$ 783

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

2:30 p.m.-9:22 a.m.

2 stops19h 52m

San Antonio

Mon 6/4

10:26 a.m.-3:15 p.m.

3 stops27h 49m

C$ 836

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

The cheapest month to fly to San Antonio from Montreal is in January. Flight prices, which tend to average around C$ 439, 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$ 481.

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$ 537. 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$ 668.

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$ 538. 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$ 605. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 22% on your flight if you consider stops on a Montreal to San Antonio flight.

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

8h 56m

Direct flights

None
The fastest flight from Montreal to San Antonio takes 8h 56m
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?

    Montreal and San Antonio are 2812.2 km apart from one another. Typically, this will take 8h 56m 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$ 336Free CancellationRating
7.4
9,078 reviews
Search United Airlines flights
DeltaPriceFrom C$ 355Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Air CanadaPriceFrom C$ 384Free CancellationRating
7.1
10,512 reviews
Search Air Canada flights
WestJetPriceFrom C$ 471Free CancellationRating
7.2
3,193 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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