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Cheap flights from Montreal to San Antonio from C$ 301

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 28/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal to San Antonio

Cheap round-trip flights

United Airlines Logo
9:15 a.m. - 8:33 p.m.YUL-SAT
12h 18m1 stop
United Airlines Logo
1:20 p.m. - 10:06 p.m.SAT-YUL
7h 46m1 stop
C$ 531United Airlines
Find Deal
Thu, 4 Sep - Wed, 10 Sep
United Airlines Logo
9:15 a.m. - 9:29 p.m.YUL-SAT
13h 14m2 stops
United Airlines Logo
7:38 p.m. - 10:40 a.m.SAT-YUL
14h 02m2 stops
C$ 545United Airlines
Find Deal
Thu, 2 Oct - Mon, 6 Oct
United Airlines Logo
4:55 p.m. - 10:58 p.m.YUL-SAT
7h 03m1 stop
United Airlines Logo
6:30 a.m. - 5:26 p.m.SAT-YUL
9h 56m1 stop
C$ 547United Airlines
Find Deal
Tue, 9 Sep - Tue, 16 Sep
American Airlines Logo
2:31 p.m. - 8:43 p.m.YUL-SAT
7h 12m1 stop
American Airlines Logo
7:59 a.m. - 2:49 p.m.SAT-YUL
5h 50m1 stop
C$ 551American Airlines
Find Deal
Thu, 11 Sep - Thu, 18 Sep
American Airlines Logo
7:25 a.m. - 3:58 p.m.YUL-SAT
9h 33m1 stop
American Airlines Logo
8:00 a.m. - 2:49 p.m.SAT-YUL
5h 49m1 stop
C$ 558American Airlines
Find Deal
Thu, 4 Sep - Wed, 10 Sep
Delta Logo
7:00 a.m. - 12:24 p.m.YUL-SAT
6h 24m1 stop
Delta Logo
1:35 p.m. - 11:16 p.m.SAT-YUL
8h 41m1 stop
C$ 601Delta
Find Deal
Mon, 1 Sep - Sun, 7 Sep
Delta Logo
12:45 p.m. - 10:19 p.m.YUL-SAT
10h 34m1 stop
Delta Logo
4:25 p.m. - 11:54 p.m.SAT-YUL
6h 29m1 stop
C$ 618Delta
Find Deal
Mon, 26 Jan - Mon, 2 Feb
WestJet Logo
7:00 a.m. - 12:24 p.m.YUL-SAT
6h 24m1 stop
WestJet Logo
6:40 a.m. - 7:07 a.m.SAT-YUL
23h 27m2 stops
C$ 641WestJet
Find Deal
Mon, 1 Sep - Sun, 7 Sep
WestJet Logo
7:00 a.m. - 12:24 p.m.YUL-SAT
6h 24m1 stop
WestJet Logo
5:25 a.m. - 11:53 p.m.SAT-YUL
17h 28m1 stop
C$ 642WestJet
Find Deal
Mon, 1 Sep - Sun, 7 Sep
Air Canada Logo
6:30 a.m. - 12:10 p.m.YUL-SAT
6h 40m1 stop
Air Canada Logo
5:00 p.m. - 10:20 a.m.SAT-YUL
16h 20m1 stop
C$ 892Air Canada
Find Deal
Thu, 8 Jan - Thu, 8 Jan

Delta flights from Montreal to San Antonio

Our best Delta deals on Montreal to San Antonio flight tickets
Delta
1 Sep
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 24m
1 stop
SAT12:24 p.m.San Antonio
7 Sep
SAT1:35 p.m.San Antonio
8h 41m
1 stop
YUL11:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 601
Find similar
Delta
26 Jan
YUL12:45 p.m.Montreal Pierre Elliott Trudeau Intl
10h 34m
1 stop
SAT10:19 p.m.San Antonio
2 Feb
SAT4:25 p.m.San Antonio
6h 29m
1 stop
YUL11:54 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 618
Find similar

WestJet flights from Montreal to San Antonio

Our best WestJet deals on Montreal to San Antonio flight tickets
WestJet
1 Sep
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 24m
1 stop
SAT12:24 p.m.San Antonio
7 Sep
SAT6:40 a.m.San Antonio
23h 27m
2 stops
YUL7:07 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 641
Find similar
WestJet
1 Sep
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 24m
1 stop
SAT12:24 p.m.San Antonio
7 Sep
SAT5:25 a.m.San Antonio
17h 28m
1 stop
YUL11:53 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 642
Find similar
WestJet
1 Sep
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
17h 49m
2 stops
SAT11:34 p.m.San Antonio
7 Sep
SAT5:25 a.m.San Antonio
24h 42m
2 stops
YUL7:07 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 650
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 16 August 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 4/9

9:15 a.m.-8:33 p.m.

1 stop12h 18m

San Antonio

Wed 10/9

1:20 p.m.-10:06 p.m.

1 stop7h 46m

C$ 531

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

9:15 a.m.-9:29 p.m.

2 stops13h 14m

San Antonio

Mon 6/10

7:38 p.m.-10:40 a.m.

2 stops14h 02m

C$ 545

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

4:55 p.m.-10:58 p.m.

1 stop7h 03m

San Antonio

Tue 16/9

6:30 a.m.-5:26 p.m.

1 stop9h 56m

C$ 547

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 11/9

2:31 p.m.-8:43 p.m.

1 stop7h 12m

San Antonio

Thu 18/9

7:59 a.m.-2:49 p.m.

1 stop5h 50m

C$ 551

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

7:25 a.m.-3:58 p.m.

1 stop9h 33m

San Antonio

Wed 10/9

8:00 a.m.-2:49 p.m.

1 stop5h 49m

C$ 558

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

7:00 a.m.-12:24 p.m.

1 stop6h 24m

San Antonio

Sun 7/9

1:35 p.m.-11:16 p.m.

1 stop8h 41m

C$ 601

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

12:45 p.m.-10:19 p.m.

1 stop10h 34m

San Antonio

Mon 2/2

4:25 p.m.-11:54 p.m.

1 stop6h 29m

C$ 618

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

7:00 a.m.-12:24 p.m.

1 stop6h 24m

San Antonio

Sun 7/9

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

2 stops23h 27m

C$ 641

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

7:00 a.m.-12:24 p.m.

1 stop6h 24m

San Antonio

Sun 7/9

5:25 a.m.-11:53 p.m.

1 stop17h 28m

C$ 642

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 8/1

6:30 a.m.-12:10 p.m.

1 stop6h 40m

San Antonio

Thu 8/1

5:00 p.m.-10:20 a.m.

1 stop16h 20m

C$ 892

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 November. Flight prices, which tend to average around C$ 467, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in November, then January is your next best option. Flight prices from Montreal to San Antonio during January average around C$ 475.

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$ 667.

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$ 537. 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.

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$ 626 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

Best price found

C$ 301

Fastest flight time

5h 59m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Montreal in the past 72 hours is C$ 301. The best round-trip flight deal from Montreal to San Antonio found on momondo in the last 72 hours is C$ 531.
The fastest flight from Montreal to San Antonio takes 5h 59m
There are no direct flights from Montreal 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 to San Antonio by plane?

    Montreal and San Antonio are 2812.2 km apart from one another. Typically, this will take 5h 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$ 335Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom C$ 355Free CancellationRating
8.0
7,985 reviews
Search Delta flights
Air CanadaPriceFrom C$ 372Free CancellationRating
7.1
9,966 reviews
Search Air Canada flights
WestJetPriceFrom C$ 463Free CancellationRating
7.2
3,016 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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