What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to San Antonio?

United Airlines, American Airlines, and Air Canada are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to San Antonio

Which layover airport offers the lowest fares from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Flights via Houston (IAH) offer the lowest average round-trip price of C$ 385.

Which layover airport has the shortest travel time from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 6h 55m.

Which airlines fly to San Antonio?

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to San Antonio from Montreal Pierre Elliott Trudeau Intl Airport according to our data. WestJet is the first choice among our users, with 44% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 5 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Montreal Pierre Elliott Trudeau Intl Airport and San Antonio?

Detroit (DTW) was the most common stop: 43% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest connection time from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Chicago (ORD) has the shortest average layover time for this route: 1h 10m.

What documentation or ID do you need to fly to San Antonio Airport?

The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 313 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in 2025

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Round-trip

One-way

Last minute

Cheap round-trip flights

6:45 a.m. - 3:55 p.m.YUL-SAT

10h 10m1 stop

5:00 p.m. - 10:10 p.m.SAT-YUL

28h 10m2 stops

C$ 529

Find Deal

Thu, 23 Oct - Mon, 27 Oct

11:23 a.m. - 10:48 p.m.YUL-SAT

12h 25m2 stops

7:15 p.m. - 10:40 a.m.SAT-YUL

14h 25m2 stops

C$ 543United Airlines

Find Deal

Thu, 11 Sep - Sun, 14 Sep

12:31 p.m. - 11:42 p.m.YUL-SAT

12h 11m1 stop

8:30 p.m. - 2:49 p.m.SAT-YUL

17h 19m1 stop

C$ 547American Airlines

Find Deal

Thu, 18 Sep - Thu, 25 Sep

3:44 p.m. - 10:27 p.m.YUL-SAT

7h 43m1 stop

7:00 a.m. - 2:49 p.m.SAT-YUL

6h 49m1 stop

C$ 557American Airlines

Find Deal

Thu, 23 Oct - Fri, 24 Oct

6:15 a.m. - 11:58 a.m.YUL-SAT

6h 43m1 stop

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

6h 36m1 stop

C$ 582United Airlines

Find Deal

Wed, 22 Oct - Mon, 27 Oct

3:44 p.m. - 8:26 a.m.YUL-SAT

17h 42m1 stop

6:49 p.m. - 2:49 p.m.SAT-YUL

19h 00m1 stop

C$ 586American Airlines

Find Deal

Tue, 2 Sep - Thu, 4 Sep

3:44 p.m. - 9:25 p.m.YUL-SAT

6h 41m1 stop

6:00 a.m. - 2:49 p.m.SAT-YUL

7h 49m1 stop

C$ 593American Airlines

Find Deal

Fri, 24 Oct - Mon, 27 Oct

3:44 p.m. - 10:39 p.m.YUL-SAT

7h 55m1 stop

6:00 a.m. - 2:49 p.m.SAT-YUL

7h 49m1 stop

C$ 594American Airlines

Find Deal

Fri, 24 Oct - Mon, 27 Oct

6:35 p.m. - 11:34 p.m.YUL-SAT

5h 59m1 stop

4:36 p.m. - 11:28 p.m.SAT-YUL

5h 52m1 stop

C$ 638WestJet

Find Deal

Mon, 1 Sep - Sun, 7 Sep

6:00 a.m. - 11:34 p.m.YUL-SAT

18h 34m1 stop

6:40 a.m. - 7:07 a.m.SAT-YUL

23h 27m2 stops

C$ 640WestJet

Find Deal

Mon, 1 Sep - Sun, 7 Sep

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Antonio flight tickets

American Airlines

18 Sep

YUL12:31 p.m.Montreal Pierre Elliott Trudeau Intl

12h 11m

1 stop

SAT11:42 p.m.San Antonio

25 Sep

SAT8:30 p.m.San Antonio

17h 19m

1 stop

YUL2:49 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 547

Find similar

American Airlines

23 Oct

YUL3:44 p.m.Montreal Pierre Elliott Trudeau Intl

7h 43m

1 stop

SAT10:27 p.m.San Antonio

24 Oct

SAT7:00 a.m.San Antonio

6h 49m

1 stop

YUL2:49 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 557

Find similar

American Airlines

2 Sep

YUL3:44 p.m.Montreal Pierre Elliott Trudeau Intl

17h 42m

1 stop

SAT8:26 a.m.San Antonio

4 Sep

SAT6:49 p.m.San Antonio

19h 00m

1 stop

YUL2:49 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 586

Find similar

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Antonio flight tickets

United Airlines

11 Sep

YUL11:23 a.m.Montreal Pierre Elliott Trudeau Intl

12h 25m

2 stops

SAT10:48 p.m.San Antonio

14 Sep

SAT7:15 p.m.San Antonio

14h 25m

2 stops

YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 543

Find similar

United Airlines

22 Oct

YUL6:15 a.m.Montreal Pierre Elliott Trudeau Intl

6h 43m

1 stop

SAT11:58 a.m.San Antonio

27 Oct

SAT12:12 p.m.San Antonio

6h 36m

1 stop

YUL7:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 582

Find similar

United Airlines

13 Sep

YUL8:10 a.m.Montreal Pierre Elliott Trudeau Intl

8h 15m

1 stop

SAT3:25 p.m.San Antonio

26 Sep

SAT7:38 p.m.San Antonio

17h 16m

2 stops

YUL1:54 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 616

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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 23/10

6:45 a.m.-3:55 p.m.

1 stop10h 10m

San Antonio

Mon 27/10

5:00 p.m.-10:10 p.m.

2 stops28h 10m

C$ 529

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 11/9

11:23 a.m.-10:48 p.m.

2 stops12h 25m

San Antonio

Sun 14/9

7:15 p.m.-10:40 a.m.

2 stops14h 25m

C$ 543

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

12:31 p.m.-11:42 p.m.

1 stop12h 11m

San Antonio

Thu 25/9

8:30 p.m.-2:49 p.m.

1 stop17h 19m

C$ 547

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

3:44 p.m.-10:27 p.m.

1 stop7h 43m

San Antonio

Fri 24/10

7:00 a.m.-2:49 p.m.

1 stop6h 49m

C$ 557

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

6:15 a.m.-11:58 a.m.

1 stop6h 43m

San Antonio

Mon 27/10

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

1 stop6h 36m

C$ 582

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

3:44 p.m.-8:26 a.m.

1 stop17h 42m

San Antonio

Thu 4/9

6:49 p.m.-2:49 p.m.

1 stop19h 00m

C$ 586

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

3:44 p.m.-9:25 p.m.

1 stop6h 41m

San Antonio

Mon 27/10

6:00 a.m.-2:49 p.m.

1 stop7h 49m

C$ 593

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

3:44 p.m.-10:39 p.m.

1 stop7h 55m

San Antonio

Mon 27/10

6:00 a.m.-2:49 p.m.

1 stop7h 49m

C$ 594

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

6:35 p.m.-11:34 p.m.

1 stop5h 59m

San Antonio

Sun 7/9

4:36 p.m.-11:28 p.m.

1 stop5h 52m

C$ 638

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

6:00 a.m.-11:34 p.m.

1 stop18h 34m

San Antonio

Sun 7/9

6:40 a.m.-7:07 a.m.

2 stops23h 27m

C$ 640

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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

Layovers

What is the cheapest month to fly to San Antonio?

The cheapest month to fly to San Antonio from Montreal Pierre Elliott Trudeau Intl Airport is in April. Flight prices, which tend to average around C$ 407, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in April, then May is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio during May average around C$ 476.

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$ 536. 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$ 666.

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 Pierre Elliott Trudeau Intl Airport to San Antonio when you can find flight prices for as low as C$ 536. 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$ 604. 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 Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around C$ 624 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 Pierre Elliott Trudeau Intl Airport for as low as C$ 467 on momondo.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to San Antonio (YUL to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Best price found	C$ 313
Fastest flight time	5h 59m
Direct flights	None
Airports in San Antonio	1 airport

The best one-way flight to San Antonio from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 313. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio found on momondo in the last 72 hours is C$ 529.

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio takes 5h 59m

There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio. Popular non-direct route for this connection is Montreal Pierre Elliott Trudeau Intl Airport - San Antonio Airport.

There is 1 airport near San Antonio: San Antonio (SAT)

Search flight deals

How far is Montreal Pierre Elliott Trudeau Intl to San Antonio by plane?
San Antonio is 2797.6 km away from Montreal Pierre Elliott Trudeau Intl. In terms of flight time, this usually takes a little over 5h 59m.
When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport are updated daily.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport?
There are 4 operators available for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport as of August 2025.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?
momondo data reveals that the most frequently booked airline on the route from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio is WestJet, representing 65% of all bookings. The subsequent popular airlines are United Airlines at 19%, Air Canada at 10%, and Delta at 6%.

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 335	Free Cancellation	Rating 7.4 8,912 reviews	Search United Airlines flights
Delta	PriceFrom C$ 354	Free Cancellation	Rating 8.0 7,987 reviews	Search Delta flights
Air Canada	PriceFrom C$ 372	Free Cancellation	Rating 7.1 9,879 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 462	Free Cancellation	Rating 7.2 2,994 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to San Antonio?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to San Antonio . Millions of users trust and use momondo every year so you are in good hands.

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?

momondo provides multiple filters to help you find the best flight to San Antonio from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

An easier way to manage your San Antonio trip

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 313

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

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American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Antonio flight tickets

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Antonio flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio that are best for you.

See travel insights to San Antonio from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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?

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

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

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

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to San Antonio?

United Airlines, American Airlines, and Air Canada are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to San Antonio

Which airlines fly to San Antonio?

Which airport is the most popular layover for flights between Montreal Pierre Elliott Trudeau Intl Airport and San Antonio?

Detroit (DTW) was the most common stop: 43% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Flights via Houston (IAH) offer the lowest average round-trip price of C$ 385.

Which layover airport has the shortest travel time from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 6h 55m.

Which layover airport has the shortest connection time from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Chicago (ORD) has the shortest average layover time for this route: 1h 10m.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Cheap Montreal Pierre Elliott Trudeau Intl Airport to San Antonio (YUL to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Best price found

Fastest flight time

Direct flights

Airports in San Antonio

How far is Montreal Pierre Elliott Trudeau Intl to San Antonio by plane?

When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport?

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport?

How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport?

What documentation or ID do you need to fly to San Antonio Airport?

What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to San Antonio?

Can I find flights from Montreal to San Antonio with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas