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Cheap flights from Montreal to San Antonio from C$ 293

YMQ — SAT
29 Sep — 6 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to San Antonio

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to San Antonio

Sat 10/105:10 p.m. -
1 stop6h 10m
Sat 17/105:00 p.m. -
1 stop5h 54m
Deal found 26/8C$ 503
Fri 11/97:00 a.m. -
1 stop11h 01m
Tue 15/92:30 p.m. -
1 stop8h 14m
Deal found 27/8C$ 523
Sat 3/109:45 a.m. -
1 stop7h 46m
Sun 4/106:00 a.m. -
1 stop15h 06m
Deal found 25/8C$ 524
Fri 25/96:47 p.m. -
1 stop6h 21m
Fri 2/106:35 a.m. -
1 stop10h 01m
Deal found 26/8C$ 545
Wed 14/1012:44 p.m. -
1 stop10h 04m
Wed 21/107:50 a.m. -
1 stop8h 48m
Deal found 30/8C$ 560
Sat 31/104:45 p.m. -
1 stop7h 12m
Mon 9/116:15 a.m. -
1 stop6h 13m
Deal found 30/8C$ 585
Fri 11/96:10 a.m. -
1 stop11h 21m
Tue 15/91:07 p.m. -
1 stop7h 59m
Deal found 27/8C$ 587
Mon 12/104:40 p.m. -
1 stop6h 33m
Tue 13/108:50 a.m. -
1 stop8h 01m
Deal found 29/8C$ 602
Mon 2/112:46 p.m. -
1 stop9h 40m
Sun 8/116:50 a.m. -
1 stop9h 48m
Deal found 30/8C$ 610
Sun 1/117:00 a.m. -
1 stop11h 14m
Thu 12/112:33 p.m. -
1 stop7h 57m
Deal found 28/8C$ 612
Sat 3/107:00 a.m. -
1 stop11h 07m
Mon 12/101:41 p.m. -
1 stop9h 13m
Deal found 25/8C$ 613

Find flight deals from Montreal to San Antonio

Round-trip from

C$ 502

One-way from

C$ 293

Popular in

March

Cheapest in

August

Average price

C$ 491
Delta
  • Delta
  • 13/2-20/2
  • 2 total stops
  • 15h 16m total
  • Montreal to San Antonio
Search Deals
United Airlines
  • United Airlines
  • 3/10
  • 1 total stop
  • 12h 23m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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

Cheapest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

7:00 a.m.-5:01 p.m.

1 stop11h 01m

San Antonio

Tue 15/9

2:30 p.m.-11:44 p.m.

1 stop8h 14m

C$ 523

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

11:23 a.m.-9:31 p.m.

2 stops11h 08m

San Antonio

Sun 4/10

6:00 a.m.-4:10 p.m.

1 stop9h 10m

C$ 524

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 15/1

7:00 a.m.-5:18 p.m.

1 stop11h 18m

San Antonio

Mon 18/1

5:20 a.m.-3:59 p.m.

1 stop9h 39m

C$ 544
Quickest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

6:47 p.m.-12:08 a.m.

1 stop6h 21m

San Antonio

Fri 2/10

6:35 a.m.-5:36 p.m.

1 stop10h 01m

C$ 545

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 2/11

2:46 p.m.-11:26 p.m.

1 stop9h 40m

San Antonio

Sat 7/11

5:30 a.m.-1:39 p.m.

1 stop7h 09m

C$ 585

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 6/12

6:39 p.m.-12:36 a.m.

1 stop6h 57m

San Antonio

Tue 8/12

11:50 a.m.-11:33 p.m.

1 stop10h 43m

C$ 585

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 31/10

7:00 a.m.-5:14 p.m.

1 stop11h 14m

San Antonio

Sun 8/11

7:50 a.m.-5:38 p.m.

1 stop8h 48m

C$ 585

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

6:10 a.m.-3:43 p.m.

2 stops10h 33m

San Antonio

Sun 13/9

6:00 a.m.-4:10 p.m.

1 stop9h 10m

C$ 587

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

6:10 a.m.-4:31 p.m.

1 stop11h 21m

San Antonio

Tue 15/9

1:07 p.m.-10:06 p.m.

1 stop7h 59m

C$ 587
Cheapest one-way

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

9:15 a.m.-8:38 p.m.

1 stop12h 23m

C$ 293

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Montreal to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Montreal with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Montreal to San Antonio

What is the cheapest month to book a flight from Montreal to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Montreal to San Antonio (average of C$ 563). Flying from Montreal to San Antonio in February is currently the most expensive (average of C$ 880). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What’s the top layover airport for flights from Montreal to San Antonio?

Atlanta (ATL) – chosen by Cheapflights users on 63% of one-stop itineraries from Montreal to San Antonio on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to San Antonio?

Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of C$ 632.

What’s the fastest layover option from Montreal to San Antonio?

Flights via Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 6h 14m.

Which airport typically offers the quickest layover for flights from Montreal to San Antonio?

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 04m.

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Montreal to San Antonio, such as WestJet and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,441 reviews
Check prices

Boarding

7.4

Food

6.2

Comfort

7.1

Entertainment

6.1

Overall

7.2

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment
WestJet
7.2
Good
3,441 reviews
WestJet
7.2
Good
3,441 reviews
Check prices

Boarding

7.4

Food

6.2

Comfort

7.1

Entertainment

6.1

Overall

7.2

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment
American Airlines
7.1
Good
12,022 reviews
WestJet
7.2
Good
3,441 reviews
Check prices

Boarding

7.4

Food

6.2

Comfort

7.1

Entertainment

6.1

Overall

7.2

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

YHZ - DTW

Better snacks I also flew Delta much better with movies and entertainment

Related info for your journey

  • What airport do you fly into for flights to San Antonio from Montreal?

    San Antonio (SAT), located 12.2 km from the city centre, is the airport you fly into when you book flights from Montreal to San Antonio. 3 airlines have flights to San Antonio from Montreal on a regular basis. Booking flights from Montreal to San Antonio should not be difficult; the airport handles an average of 0 inbound flights from Montreal per day.

  • How long is the flight from Montreal to San Antonio?

    Departing from Montreal to San Antonio will take you 11h 01m. There are 2787 km between Montreal and San Antonio. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Montreal to San Antonio round-trip?

    Currently priced at C$ 307, Delta will fly you from Montreal to San Antonio and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and WestJet - these airlines can fly you to your destination from C$ 523 and C$ 642, respectively. Delta is 53% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Montreal to San Antonio that include hotel bookings?

    Yes. In addition to deals on Montreal to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to San Antonio.

  • Can I find deals for business class flights from Montreal to San Antonio?

    Yes. Cheapflights offers flight deals from Montreal to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Montreal to San Antonio (average of C$ 563). Flying from Montreal to San Antonio in February is currently the most expensive (average of C$ 880). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Montreal to San Antonio

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 307AverageC$ 567FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 313AverageC$ 613FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 523AverageC$ 1,177FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 642AverageC$ 775FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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