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Cheap flights from Montreal to San Antonio from C$ 327

YMQ — SAT
29 Nov — 6 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

Thu 26/117:00 a.m. -
1 stop9h 47m
Thu 3/124:36 p.m. -
1 stop6h 12m
Deal found 27/10C$ 571
Mon 23/116:00 a.m. -
1 stop11h 05m
Mon 30/1111:45 a.m. -
1 stop10h 42m
Deal found 26/10C$ 603
Mon 9/1112:44 p.m. -
1 stop10h 22m
Fri 13/111:44 p.m. -
1 stop9h 04m
Deal found 26/10C$ 635
Thu 26/116:00 a.m. -
2 stops14h 10m
Thu 3/121:50 p.m. -
2 stops22h 38m
Deal found 27/10C$ 641
Mon 9/113:00 p.m. -
2 stops22h 46m
Fri 13/117:00 a.m. -
1 stop7h 16m
Deal found 26/10C$ 652
Sat 12/126:00 a.m. -
1 stop9h 11m
Sat 19/121:00 p.m. -
1 stop9h 49m
Deal found 28/10C$ 683
Fri 20/116:35 p.m. -
1 stop6h 58m
Sun 22/1111:45 a.m. -
1 stop10h 42m
Deal found 27/10C$ 722
Fri 20/111:10 p.m. -
2 stops20h 19m
Sun 22/117:15 p.m. -
2 stops22h 50m
Deal found 27/10C$ 745

Find flight deals from Montreal to San Antonio

Round-trip from

C$ 564

One-way from

C$ 327

Popular in

March

Cheapest in

August

Average price

C$ 587
WestJet
  • WestJet
  • 27/1-27/1
  • 2 total stops
  • 13h 06m total
  • Montreal to San Antonio
Search Deals
United Airlines
  • United Airlines
  • 10/12-31/12
  • 2 total stops
  • 13h 11m 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$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 10/12

9:15 a.m.-9:26 p.m.

2 stops13h 11m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 327

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 10/12

12:41 p.m.-10:19 p.m.

1 stop10h 38m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 329

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

1:04 p.m.-12:04 a.m.

2 stops12h 00m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 376
Quickest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

4:45 p.m.-10:57 p.m.

1 stop7h 12m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 424

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

7:00 a.m.-3:27 p.m.

1 stop9h 27m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 425

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

7:33 a.m.-3:36 p.m.

2 stops9h 03m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 436

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 13/3

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$ 439

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

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

1 stop11h 14m

San Antonio

Wed 31/12

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

Nonstop0h 00m

C$ 469

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 26/1

9:15 a.m.-10:59 p.m.

2 stops14h 44m

San Antonio

Thu 28/1

7:05 a.m.-3:16 p.m.

1 stop7h 11m

C$ 571

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

7:00 a.m.-3:47 p.m.

1 stop9h 47m

San Antonio

Thu 3/12

4:36 p.m.-11:48 p.m.

1 stop6h 12m

C$ 571

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 17 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 February is currently the most expensive (average of C$ 811). 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.

How much does it cost to fly round-trip from Montreal to San Antonio?

Airfare is below average for this route at the moment.
Montreal to San Antonio flights typically cost between C$ 592 and C$ 655 in January.
The cheapest round-trip price found within the last 5 days was C$ 564 on WestJet (27 Jan-27 Jan).

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$ 635.

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
12,210 reviews
Check prices

Entertainment

6.8

Comfort

7.1

Overall

7.0

Crew

7.9

Boarding

7.4

Food

6.4

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
12,210 reviews
American Airlines
7.0
Good
12,210 reviews
Check prices

Entertainment

6.8

Comfort

7.1

Overall

7.0

Crew

7.9

Boarding

7.4

Food

6.4

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 9h 47m. 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$ 309, 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$ 526 and C$ 563, 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 February is currently the most expensive (average of C$ 811). 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$ 309AverageC$ 571FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 526AverageC$ 1,184FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 563AverageC$ 767FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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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?

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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.

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