Which airport is the most popular layover for flights between Montreal and San Antonio?

Atlanta (ATL) was the most common stop: 83% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest connection time from Montreal to San Antonio?

Atlanta (ATL) has the shortest average layover time for this route: 1h 09m.

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

Delta is the most popular carrier operating from Montreal to San Antonio

Which layover airport offers the lowest fares from Montreal to San Antonio?

Flights via Newark (EWR) offer the lowest average round-trip price of C$ 537.

Which airlines fly to San Antonio?

Air Canada, WestJet and Delta 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 46% 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.

Which layover airport has the shortest travel time from Montreal to San Antonio?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 6h 37m.

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 4 operators available for flights from Montreal to San Antonio Airport as of March 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$ 253 Cheap Flights from Montreal to San Antonio in 2026

1 adult

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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.

12:50 p.m. - 10:42 p.m.

YUL

SAT

10h 52m

1 stop

1:37 p.m. - 11:44 p.m.

SAT

YUL

9h 07m

1 stop

C$ 562Delta

Tue, 31 Mar - Wed, 8 Apr

6:46 p.m. - 12:38 a.m.

YUL

SAT

6h 52m

1 stop

12:34 p.m. - 11:44 p.m.

SAT

YUL

10h 10m

1 stop

C$ 565Delta

Fri, 3 Apr - Tue, 7 Apr

9:15 a.m. - 7:50 p.m.

YUL

SAT

11h 35m

2 stops

6:27 a.m. - 4:10 p.m.

SAT

YUL

8h 43m

1 stop

C$ 574United Airlines

Tue, 9 Jun - Wed, 10 Jun

7:12 a.m. - 8:50 p.m.

YUL

SAT

14h 38m

1 stop

6:24 a.m. - 1:45 p.m.

SAT

YUL

6h 21m

1 stop

C$ 576American Airlines

Thu, 26 Mar - Sun, 29 Mar

7:12 a.m. - 10:55 p.m.

YUL

SAT

16h 43m

1 stop

6:24 a.m. - 1:45 p.m.

SAT

YUL

6h 21m

1 stop

C$ 577American Airlines

Thu, 26 Mar - Sun, 29 Mar

6:45 a.m. - 11:51 p.m.

YUL

SAT

18h 06m

2 stops

6:00 a.m. - 2:50 p.m.

SAT

YUL

7h 50m

1 stop

C$ 582Multiple Airlines

Wed, 10 Jun - Fri, 12 Jun

7:00 a.m. - 5:13 p.m.

YUL

SAT

11h 13m

1 stop

4:25 p.m. - 11:56 p.m.

SAT

YUL

6h 31m

1 stop

C$ 585Delta

Sun, 7 Jun - Mon, 15 Jun

6:51 p.m. - 12:44 a.m.

YUL

SAT

6h 53m

1 stop

5:30 a.m. - 5:05 p.m.

SAT

YUL

10h 35m

1 stop

C$ 604WestJet

Wed, 3 Jun - Wed, 29 Jul

6:45 a.m. - 5:13 p.m.

YUL

SAT

11h 28m

2 stops

4:00 p.m. - 11:10 p.m.

SAT

YUL

6h 10m

1 stop

C$ 607WestJet

Fri, 12 Jun - Mon, 15 Jun

8:00 p.m. - 1:46 p.m.

YUL

SAT

18h 46m

2 stops

4:25 p.m. - 11:56 p.m.

SAT

YUL

6h 31m

1 stop

C$ 608WestJet

Thu, 11 Jun - Fri, 12 Jun

United Airlines flights from Montreal to San Antonio

Our best United Airlines deals on Montreal to San Antonio flight tickets

United Airlines

31 Mar

YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl

11h 03m

2 stops

SAT7:48 p.m.San Antonio

8 Apr

SAT2:02 p.m.San Antonio

6h 24m

1 stop

YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 562

United Airlines

9 Jun

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

11h 35m

2 stops

SAT7:50 p.m.San Antonio

10 Jun

SAT6:27 a.m.San Antonio

8h 43m

1 stop

YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 574

United Airlines

31 Mar

YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl

12h 18m

2 stops

SAT9:03 p.m.San Antonio

4 Apr

SAT7:00 a.m.San Antonio

8h 10m

1 stop

YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 614

Delta flights from Montreal to San Antonio

Our best Delta deals on Montreal to San Antonio flight tickets

Delta

3 Apr

YUL6:46 p.m.Montreal Pierre Elliott Trudeau Intl

6h 52m

1 stop

SAT12:38 a.m.San Antonio

7 Apr

SAT12:34 p.m.San Antonio

10h 10m

1 stop

YUL11:44 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 565

Delta

7 Jun

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

11h 16m

1 stop

SAT5:16 p.m.San Antonio

10 Jun

SAT2:51 p.m.San Antonio

8h 05m

1 stop

YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 585

Delta

31 May

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

11h 16m

1 stop

SAT5:16 p.m.San Antonio

7 Jun

SAT2:00 p.m.San Antonio

8h 34m

1 stop

YUL11:34 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 637

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

12:50 p.m.-10:42 p.m.

1 stop10h 52m

San Antonio

Wed 8/4

1:37 p.m.-11:44 p.m.

1 stop9h 07m

C$ 562

Quickest round-trip

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

6:46 p.m.-12:38 a.m.

1 stop6h 52m

San Antonio

Tue 7/4

12:34 p.m.-11:44 p.m.

1 stop10h 10m

C$ 565

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

9:15 a.m.-7:50 p.m.

2 stops11h 35m

San Antonio

Wed 10/6

6:27 a.m.-4:10 p.m.

1 stop8h 43m

C$ 574

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

7:12 a.m.-8:50 p.m.

1 stop14h 38m

San Antonio

Sun 29/3

6:24 a.m.-1:45 p.m.

1 stop6h 21m

C$ 576

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

7:12 a.m.-10:55 p.m.

1 stop16h 43m

San Antonio

Sun 29/3

6:24 a.m.-1:45 p.m.

1 stop6h 21m

C$ 577

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

6:45 a.m.-11:51 p.m.

2 stops18h 06m

San Antonio

Fri 12/6

6:00 a.m.-2:50 p.m.

1 stop7h 50m

C$ 582

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:00 a.m.-5:13 p.m.

1 stop11h 13m

San Antonio

Mon 15/6

4:25 p.m.-11:56 p.m.

1 stop6h 31m

C$ 585

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

6:51 p.m.-12:44 a.m.

1 stop6h 53m

San Antonio

Wed 29/7

5:30 a.m.-5:05 p.m.

1 stop10h 35m

C$ 604

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

6:45 a.m.-5:13 p.m.

2 stops11h 28m

San Antonio

Mon 15/6

4:00 p.m.-11:10 p.m.

1 stop6h 10m

C$ 607

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

8:00 p.m.-1:46 p.m.

2 stops18h 46m

San Antonio

Fri 12/6

4:25 p.m.-11:56 p.m.

1 stop6h 31m

C$ 608

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

Layovers

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

You could potentially save up to 14% 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	6h 53m
Direct flights	None

The fastest flight from Montreal to San Antonio takes 6h 53m

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 6h 53m 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 4 operators available for flights from Montreal to San Antonio Airport as of March 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 36% of all bookings. The subsequent popular airlines are Delta at 32% and WestJet at 32%.

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 Airlines	PriceFrom C$ 306	Free Cancellation	Rating 7.4 9,418 reviews	Search United Airlines flights
Delta	PriceFrom C$ 349	Free Cancellation	Rating 7.9 8,286 reviews	Search Delta flights
Air Canada	PriceFrom C$ 411	Free Cancellation	Rating 7.1 10,800 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 489	Free Cancellation	Rating 7.2 3,291 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.