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Cheap flights from Montreal to San Antonio from C$ 292

YMQ — SAT
5 Oct — 12 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

Tue 10/116:00 a.m. -
1 stop11h 05m
Wed 11/114:32 p.m. -
1 stop6h 24m
Deal found 3/9C$ 501
Sat 19/96:00 a.m. -
1 stop9h 07m
Sat 26/95:15 a.m. -
1 stop10h 04m
Deal found 2/9C$ 502
Tue 10/117:00 a.m. -
1 stop9h 13m
Wed 11/115:30 a.m. -
2 stops8h 46m
Deal found 3/9C$ 512
Fri 16/107:00 a.m. -
1 stop11h 14m
Tue 20/101:41 p.m. -
1 stop9h 13m
Deal found 3/9C$ 523
Fri 9/104:40 p.m. -
1 stop6h 33m
Tue 13/108:50 a.m. -
1 stop7h 31m
Deal found 5/9C$ 541
Thu 5/117:00 a.m. -
1 stop11h 14m
Mon 9/114:00 p.m. -
1 stop6h 27m
Deal found 2/9C$ 544
Thu 1/1011:23 a.m. -
2 stops12h 28m
Sun 1/116:15 a.m. -
1 stop6h 13m
Deal found 2/9C$ 553
Wed 14/106:10 a.m. -
1 stop7h 01m
Fri 16/109:48 a.m. -
2 stops11h 18m
Deal found 1/9C$ 576
Fri 6/117:00 a.m. -
1 stop11h 14m
Mon 9/114:00 p.m. -
1 stop6h 27m
Deal found 2/9C$ 581

Find flight deals from Montreal to San Antonio

Round-trip from

C$ 501

One-way from

C$ 292

Popular in

March

Cheapest in

August

Average price

C$ 600
Delta
  • Delta
  • 10/11-11/11
  • 2 total stops
  • 17h 29m total
  • Montreal to San Antonio
Search Deals
United Airlines
  • United Airlines
  • 3/10-31/12
  • 2 total stops
  • 14h 35m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

Wed 14/10

6:00 a.m.-3:50 p.m.

1 stop10h 50m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 292

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

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 292

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

9:15 a.m.-7:10 p.m.

2 stops10h 55m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 297

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

7:00 a.m.-5:10 p.m.

1 stop11h 10m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 313

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

5:34 p.m.-11:55 p.m.

1 stop7h 21m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 315

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 4/10

6:00 a.m.-11:41 a.m.

1 stop6h 41m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 315

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

9:45 a.m.-4:30 p.m.

1 stop7h 45m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 320
Quickest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

5:10 p.m.-10:44 p.m.

1 stop6h 34m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 351

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 26/1

7:00 a.m.-3:28 p.m.

1 stop9h 28m

San Antonio

Fri 26/2

4:25 p.m.-11:51 p.m.

1 stop6h 26m

C$ 501

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$ 523

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

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$ 560). Flying from Montreal to San Antonio in February is currently the most expensive (average of C$ 876). 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$ 628.

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
3,446 reviews
Check prices

Crew

7.9

Entertainment

6.1

Boarding

7.4

Comfort

7.1

Overall

7.2

Food

6.2

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
3,446 reviews
WestJet
7.2
Good
3,446 reviews
Check prices

Crew

7.9

Entertainment

6.1

Boarding

7.4

Comfort

7.1

Overall

7.2

Food

6.2

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
12,045 reviews
WestJet
7.2
Good
3,446 reviews
Check prices

Crew

7.9

Entertainment

6.1

Boarding

7.4

Comfort

7.1

Overall

7.2

Food

6.2

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. 4 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 9h 28m. There are 2787 km between Montreal and San Antonio.

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

    Currently priced at C$ 306, 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 United Airlines and Air Canada - these airlines can fly you to your destination from C$ 312 and C$ 520, 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$ 560). Flying from Montreal to San Antonio in February is currently the most expensive (average of C$ 876). 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$ 306AverageC$ 565FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 312AverageC$ 610FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 520AverageC$ 1,171FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 638AverageC$ 771FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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