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Cheap flights from Montreal to San Antonio from C$ 382

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SAT
2 Aug — 9 Aug1
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
Explore the most affordable flight options available from Montreal to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2026.

Sat 15/81:30 p.m.
YUL
-
SAT
2 stops10h 24m
American Airlines
Sat 22/810:59 a.m.
SAT
-
YUL
2 stops10h 54m
American Airlines
Deal found 2/7C$ 520
Sat 24/106:00 a.m.
YUL
-
SAT
2 stops11h 30m
United Airlines
Sat 31/101:07 p.m.
SAT
-
YUL
1 stop7h 35m
United Airlines
Deal found 2/7C$ 521
Thu 23/712:44 p.m.
YUL
-
SAT
1 stop10h 35m
Delta
Thu 13/85:15 a.m.
SAT
-
YUL
1 stop10h 05m
Delta
Deal found 2/7C$ 571
Wed 14/1012:50 p.m.
YUL
-
SAT
1 stop11h 11m
Delta
Mon 19/101:41 p.m.
SAT
-
YUL
1 stop9h 18m
Delta
Deal found 1/7C$ 652
Sun 1/116:50 p.m.
YUL
-
SAT
1 stop6h 37m
Delta
Fri 6/114:29 p.m.
SAT
-
YUL
1 stop6h 30m
Delta
Deal found 29/6C$ 653
Tue 21/76:47 p.m.
YUL
-
SAT
1 stop6h 33m
Delta
Thu 23/712:04 p.m.
SAT
-
YUL
1 stop10h 48m
Delta
Deal found 1/7C$ 679
Thu 13/87:00 a.m.
YUL
-
SAT
1 stop7h 38m
Delta
Tue 18/82:22 p.m.
SAT
-
YUL
1 stop8h 18m
Delta
Deal found 29/6C$ 680
Tue 21/712:30 p.m.
YUL
-
SAT
1 stop12h 40m
American Airlines
Thu 23/76:24 a.m.
SAT
-
YUL
1 stop9h 23m
American Airlines
Deal found 1/7C$ 693
Mon 13/710:40 a.m.
YUL
-
SAT
2 stops11h 33m
Air Canada
Sat 18/78:50 a.m.
SAT
-
YUL
2 stops10h 30m
Air Canada
Deal found 29/6C$ 696
Sat 11/79:45 a.m.
YUL
-
SAT
1 stop14h 12m
Multiple Airlines
Thu 23/78:50 a.m.
SAT
-
YUL
1 stop7h 32m
Multiple Airlines
Deal found 2/7C$ 715
Mon 13/79:45 a.m.
YUL
-
SAT
2 stops12h 28m
Air Canada
Thu 16/78:50 a.m.
SAT
-
YUL
1 stop8h 10m
Air Canada
Deal found 29/6C$ 723
Thu 24/96:00 a.m.
YUL
-
SAT
1 stop10h 55m
WestJet
Thu 1/106:01 p.m.
SAT
-
YUL
2 stops12h 04m
WestJet
Deal found 2/7C$ 724

Find flight deals from Montreal to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 July 2026.

Round-trip from

C$ 520

One-way from

C$ 382

Popular in

March

Cheapest in

April

Average price

C$ 643
American Airlines
  • American Airlines
  • 15/8-22/8
  • 4 total stops
  • 21h 18m total
  • Montreal to San Antonio
Search Deals
United Airlines
  • United Airlines
  • 13/8
  • 2 total stops
  • 13h 01m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 3 July 2026.
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 - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

1:30 p.m.-10:54 p.m.

2 stops10h 24m

San Antonio

Sat 22/8

10:59 a.m.-10:53 p.m.

2 stops10h 54m

C$ 520

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

6:00 a.m.-3:55 p.m.

1 stop10h 55m

San Antonio

Thu 1/10

1:55 p.m.-11:59 p.m.

1 stop9h 04m

C$ 571

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

12:44 p.m.-10:19 p.m.

1 stop10h 35m

San Antonio

Thu 13/8

5:15 a.m.-4:20 p.m.

1 stop10h 05m

C$ 571

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

12:50 p.m.-11:01 p.m.

1 stop11h 11m

San Antonio

Mon 19/10

1:41 p.m.-11:59 p.m.

1 stop9h 18m

C$ 652

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

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

1 stop10h 50m

San Antonio

Thu 5/11

8:00 a.m.-5:39 p.m.

1 stop8h 39m

C$ 653
Quickest round-trip

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 1/11

6:50 p.m.-12:27 a.m.

1 stop6h 37m

San Antonio

Fri 6/11

4:29 p.m.-11:59 p.m.

1 stop6h 30m

C$ 653

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

6:47 p.m.-12:20 a.m.

1 stop6h 33m

San Antonio

Thu 23/7

12:04 p.m.-11:52 p.m.

1 stop10h 48m

C$ 679

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

9:15 a.m.-7:58 p.m.

2 stops11h 43m

San Antonio

Tue 18/8

6:30 a.m.-7:45 p.m.

2 stops12h 15m

C$ 680

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

9:45 a.m.-4:31 p.m.

1 stop7h 46m

San Antonio

Fri 14/8

5:59 p.m.-5:30 p.m.

2 stops22h 31m

C$ 680

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 13/7

7:00 a.m.-5:11 p.m.

1 stop11h 11m

San Antonio

Mon 20/7

2:26 p.m.-11:40 p.m.

1 stop8h 14m

C$ 680

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/6

Showing 1-10 of 20 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, October is the cheapest month in which you can book a flight from Montreal to San Antonio (average of C$ 319). Flying from Montreal to San Antonio in February is currently the most expensive (average of C$ 823). 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?

Share of one-stop round-trip flights from Montreal to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.

Atlanta (ATL) – chosen by Cheapflights users on 80% of one-stop itineraries from Montreal to San Antonio on Cheapflights.

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

Average round-trip fare for 1-stop flights from Montreal to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of C$ 709.

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

Shortest average travel time for 1-stop one-way flights from Montreal to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

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?

Average layover duration for 1-stop one-way flights from Montreal to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Detroit (DTW) offer the fastest connection on this route, with an average layover time of 1h 07m.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated 3 July 2026.
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
3,393 reviews
Check prices

Food

6.2

Comfort

7.0

Overall

7.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.
WestJet
7.2
Good
3,393 reviews
WestJet
7.2
Good
3,393 reviews
Check prices

Food

6.2

Comfort

7.0

Overall

7.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.
American Airlines
7.1
Good
11,765 reviews
WestJet
7.2
Good
3,393 reviews
Check prices

Food

6.2

Comfort

7.0

Overall

7.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

YYZ - MCO

Friendly staff and thanks to the pilots who take care of us during the flights.

Related info for your journey

Find useful and relevant information for your journey from Montreal to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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. 2 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 10h 24m. 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$ 575, Air Canada will fly you from Montreal to San Antonio and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on WestJet for as low as C$ 655. Air Canada is 14% 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, October is the cheapest month in which you can book a flight from Montreal to San Antonio (average of C$ 319). Flying from Montreal to San Antonio in February is currently the most expensive (average of C$ 823). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Montreal to San Antonio

Discover the top 2 airlines that operate flights from Montreal to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 575AverageC$ 1,271FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 655AverageC$ 831FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to San Antonio?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to San Antonio. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Montreal to San Antonio?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to San Antonio for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Montreal to San Antonio with no change fees?

Yes! Cheapflights helps users easily find flights from Montreal to San Antonio with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to San Antonio become cheaper?

Of course! You can now track prices for flights from Montreal to San Antonio and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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