Which airlines fly to San Antonio?

Air Canada, Delta and United Airlines are the top three most popular airlines that fly to San Antonio from Montreal according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Montreal to San Antonio?

Air Canada, United Airlines, and Delta are the most popular carriers operating from Montreal to San Antonio

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?

There are 3 operators available for flights from Montreal to San Antonio Airport as of September 2026.

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.

C$ 306 Cheap Flights from Montreal to San Antonio in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to San Antonio

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:40 p.m. - 10:13 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

6h 33m1 stop Toronto Pearson Intl

8:50 a.m. - 4:21 p.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

6h 31m1 stop Toronto Pearson Intl

C$ 460Air Canada

Mon, 19 Oct - Thu, 22 Oct

9:45 a.m. - 10:53 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

14h 08m1 stop Chicago O'Hare Intl

12:50 p.m. - 10:06 p.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

8h 16m1 stop Newark

C$ 508Lufthansa

Thu, 24 Sep - Fri, 2 Oct

6:15 p.m. - 12:28 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

7h 13m1 stop Atlanta Hartsfield-Jackson

5:20 a.m. - 12:15 p.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

5h 55m1 stop Detroit Metropolitan Wayne County

C$ 511Delta

Tue, 16 Feb - Thu, 25 Feb

7:00 a.m. - 5:34 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

11h 34m1 stop Minneapolis St Paul

1:41 p.m. - 11:54 p.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

9h 13m1 stop Atlanta Hartsfield-Jackson

C$ 522Delta

Fri, 16 Oct - Tue, 20 Oct

6:00 p.m. - 8:29 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

15h 29m1 stop Houston George Bush Intcntl

8:56 a.m. - 5:10 p.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

7h 14m1 stop Denver Intl

C$ 529Air Canada

Sat, 21 Nov - Thu, 26 Nov

4:40 p.m. - 8:38 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

16h 58m1 stop Houston George Bush Intcntl

9:35 a.m. - 4:40 p.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

6h 05m1 stop Houston George Bush Intcntl

C$ 533Air Canada

Thu, 22 Oct - Thu, 29 Oct

7:00 a.m. - 8:53 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

14h 53m2 stops Newark Denver Intl

7:00 a.m. - 3:16 p.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

7h 16m1 stop Washington, D.C. Dulles Intl

C$ 535United Airlines

Tue, 27 Oct - Tue, 24 Nov

9:15 a.m. - 10:51 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

14h 36m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

5:30 p.m. - 10:40 a.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

16h 10m1 stop Chicago O'Hare Intl

C$ 558Lufthansa

Thu, 24 Sep - Fri, 2 Oct

4:49 p.m. - 10:58 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

7h 09m1 stop Detroit Metropolitan Wayne County

4:45 p.m. - 11:37 a.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

17h 52m1 stop Atlanta Hartsfield-Jackson

C$ 611WestJet

Tue, 8 Dec - Tue, 29 Dec

7:00 a.m. - 12:36 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SAT San Antonio

18h 36m1 stop Atlanta Hartsfield-Jackson

4:45 p.m. - 11:58 p.m.SAT San Antonio-YUL Montreal Pierre Elliott Trudeau Intl

6h 13m1 stop Atlanta Hartsfield-Jackson

C$ 612WestJet

Mon, 7 Dec - Tue, 29 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Montreal to San Antonio

Our best Air Canada deals on Montreal to San Antonio flight tickets

Air Canada

19 Oct

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

6h 33m

1 stop

SAT10:13 p.m.San Antonio

22 Oct

SAT8:50 a.m.San Antonio

6h 31m

1 stop

YUL4:21 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 460

Air Canada

21 Nov

YUL6:00 p.m.Montreal Pierre Elliott Trudeau Intl

15h 29m

1 stop

SAT8:29 a.m.San Antonio

26 Nov

SAT8:56 a.m.San Antonio

7h 14m

1 stop

YUL5:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 529

Air Canada

16 Oct

YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl

6h 33m

1 stop

SAT10:13 p.m.San Antonio

20 Oct

SAT8:50 a.m.San Antonio

7h 31m

1 stop

YUL5:21 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 549

WestJet flights from Montreal to San Antonio

Our best WestJet deals on Montreal to San Antonio flight tickets

WestJet

8 Dec

YUL4:49 p.m.Montreal Pierre Elliott Trudeau Intl

7h 09m

1 stop

SAT10:58 p.m.San Antonio

29 Dec

SAT4:45 p.m.San Antonio

17h 52m

1 stop

YUL11:37 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 611

WestJet

7 Dec

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

18h 36m

1 stop

SAT12:36 a.m.San Antonio

29 Dec

SAT4:45 p.m.San Antonio

6h 13m

1 stop

YUL11:58 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 612

WestJet

7 Dec

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

17h 58m

1 stop

SAT10:58 p.m.San Antonio

29 Dec

SAT6:00 a.m.San Antonio

16h 37m

1 stop

YUL11:37 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 614

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

4:40 p.m.-10:13 p.m.

1 stop6h 33m

San Antonio

Thu 22/10

8:50 a.m.-4:21 p.m.

1 stop6h 31m

C$ 460

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

9:45 a.m.-10:53 p.m.

1 stop14h 08m

San Antonio

Fri 2/10

12:50 p.m.-10:06 p.m.

1 stop8h 16m

C$ 508

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 16/2

6:15 p.m.-12:28 a.m.

1 stop7h 13m

San Antonio

Thu 25/2

5:20 a.m.-12:15 p.m.

1 stop5h 55m

C$ 511

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

7:00 a.m.-5:34 p.m.

1 stop11h 34m

San Antonio

Tue 20/10

1:41 p.m.-11:54 p.m.

1 stop9h 13m

C$ 522

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 21/11

6:00 p.m.-8:29 a.m.

1 stop15h 29m

San Antonio

Thu 26/11

8:56 a.m.-5:10 p.m.

1 stop7h 14m

C$ 529

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

4:40 p.m.-8:38 a.m.

1 stop16h 58m

San Antonio

Thu 29/10

9:35 a.m.-4:40 p.m.

1 stop6h 05m

C$ 533

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

7:00 a.m.-8:53 p.m.

2 stops14h 53m

San Antonio

Tue 24/11

7:00 a.m.-3:16 p.m.

1 stop7h 16m

C$ 535

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

9:15 a.m.-10:51 p.m.

2 stops14h 36m

San Antonio

Fri 2/10

5:30 p.m.-10:40 a.m.

1 stop16h 10m

C$ 558

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 8/12

4:49 p.m.-10:58 p.m.

1 stop7h 09m

San Antonio

Tue 29/12

4:45 p.m.-11:37 a.m.

1 stop17h 52m

C$ 611

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 7/12

7:00 a.m.-12:36 a.m.

1 stop18h 36m

San Antonio

Tue 29/12

4:45 p.m.-11:58 p.m.

1 stop6h 13m

C$ 612

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to San Antonio?

The cheapest month to fly to San Antonio from Montreal is in August. Flight prices, which tend to average around C$ 561, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in August, then April is your next best option. Flight prices from Montreal to San Antonio during April average around C$ 611.

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

You could potentially save up to 31% 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

Best price found	C$ 306
Fastest flight time	6h 21m
Direct flights	None

The best one-way flight to San Antonio from Montreal in the past 72 hours is C$ 306. The best round-trip flight deal from Montreal to San Antonio found on momondo in the last 72 hours is C$ 460.

The fastest flight from Montreal to San Antonio takes 6h 21m

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?
Montreal and San Antonio are 2812.2 km apart from one another. Typically, this will take 6h 21m 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?
There are 3 operators available for flights from Montreal to San Antonio Airport as of September 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Montreal to San Antonio is American Airlines, representing 59% of all bookings. The subsequent popular airline is WestJet at 41%.

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
Delta	PriceFrom C$ 306	Free Cancellation	Rating 7.8 8,564 reviews	Search Delta flights
Air Canada	PriceFrom C$ 521	Free Cancellation	Rating 7.1 11,617 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 639	Free Cancellation	Rating 7.2 3,445 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.