Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal to San Antonio from C$ 359

YMQ — SAT
4 Dec — 11 Dec1
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

Fri 4/126:39 p.m. -
1 stop6h 56m
Mon 7/125:25 a.m. -
1 stop9h 34m
Deal found 30/10C$ 571
Fri 4/129:15 a.m. -
2 stops13h 11m
Mon 7/127:00 a.m. -
1 stop11h 48m
Deal found 30/10C$ 592
Mon 16/116:35 p.m. -
1 stop6h 58m
Wed 18/116:30 a.m. -
1 stop9h 57m
Deal found 2/11C$ 613
Sun 20/126:00 a.m. -
1 stop17h 59m
Thu 31/127:38 a.m. -
2 stops13h 04m
Deal found 1/11C$ 694
Mon 7/125:55 p.m. -
1 stop15h 34m
Tue 8/1212:12 p.m. -
1 stop6h 36m
Deal found 3/11C$ 709
Thu 24/122:13 p.m. -
2 stops21h 38m
Fri 1/16:45 a.m. -
1 stop13h 32m
Deal found 3/11C$ 712
Tue 15/1212:41 p.m. -
1 stop8h 18m
Sun 20/121:00 p.m. -
1 stop9h 49m
Deal found 1/11C$ 723

Find flight deals from Montreal to San Antonio

Round-trip from

C$ 571

One-way from

C$ 327

Popular in

March

Cheapest in

August

Average price

C$ 654
Delta
  • Delta
  • 4/12-7/12
  • 2 total stops
  • 16h 30m total
  • Montreal to San Antonio
Search Deals
Delta
  • Delta
  • 14/12-31/12
  • 1 total stop
  • 9h 31m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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

Thu 17/12

7:10 a.m.-5:38 p.m.

1 stop11h 28m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 359
Quickest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 17/12

2:13 p.m.-10:59 p.m.

2 stops9h 46m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 440

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

12:50 p.m.-10:54 p.m.

1 stop11h 04m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 473

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

3:00 p.m.-8:29 a.m.

2 stops18h 29m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 476

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 21/12

7:00 a.m.-5:24 p.m.

1 stop11h 24m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 479

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 14/3

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

1 stop11h 18m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 480

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 31/12

7:00 a.m.-10:59 p.m.

2 stops16h 59m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 490

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 4/1

8:05 a.m.-9:40 p.m.

2 stops14h 35m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 500

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 4/1

8:00 p.m.-7:29 p.m.

3 stops48h 29m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 535

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 17/12

6:45 a.m.-10:53 a.m.

3 stops29h 08m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 581

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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$ 566). Flying from Montreal to San Antonio in December is currently the most expensive (average of C$ 827). 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 53% 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$ 634.

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 Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 03m.

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Montreal to San Antonio, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.0
Good
12,231 reviews
Check prices

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.0

Boarding

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Beatriz,May 2026

HEL - DFW

Very modern and confortable plane. Dinner was delicious. Whole crew were polite and perfect.
American Airlines
7.0
Good
12,231 reviews
American Airlines
7.0
Good
12,231 reviews
Check prices

Entertainment

6.8

Food

6.4

Comfort

7.2

Overall

7.0

Boarding

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Beatriz,May 2026

HEL - DFW

Very modern and confortable plane. Dinner was delicious. Whole crew were polite and perfect.

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 6h 56m. 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$ 308, 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$ 525 and C$ 562, 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$ 566). Flying from Montreal to San Antonio in December is currently the most expensive (average of C$ 827). 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 3 airlines flying from Montreal to San Antonio

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 308AverageC$ 570FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 525AverageC$ 1,182FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 562AverageC$ 766FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.