Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 295

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
26 May — 2 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to San Antonio

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to San Antonio
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 April 2026.

Sat 12/96:00 a.m.
YUL
-
SAT
1 stop6h 40m
United Airlines
Sat 12/91:40 p.m.
SAT
-
YUL
1 stop6h 46m
United Airlines
Deal found 23/4C$ 488
Wed 9/93:25 p.m.
YUL
-
SAT
2 stops8h 13m
United Airlines
Wed 16/97:00 a.m.
SAT
-
YUL
1 stop6h 40m
United Airlines
Deal found 23/4C$ 495
Tue 9/66:50 p.m.
YUL
-
SAT
1 stop6h 43m
KLM
Tue 16/66:40 a.m.
SAT
-
YUL
1 stop10h 05m
KLM
Deal found 25/4C$ 504
Fri 11/92:10 p.m.
YUL
-
SAT
1 stop8h 03m
Air Canada
Sat 12/99:00 a.m.
SAT
-
YUL
2 stops9h 13m
Air Canada
Deal found 23/4C$ 510
Wed 17/65:07 p.m.
YUL
-
SAT
1 stop6h 14m
Delta
Wed 24/62:29 p.m.
SAT
-
YUL
1 stop8h 30m
Delta
Deal found 23/4C$ 514
Thu 4/66:00 a.m.
YUL
-
SAT
1 stop10h 52m
Delta
Mon 8/64:00 p.m.
SAT
-
YUL
1 stop6h 28m
Delta
Deal found 21/4C$ 515
Sat 20/67:00 a.m.
YUL
-
SAT
1 stop9h 51m
Delta
Sun 21/64:12 p.m.
SAT
-
YUL
1 stop6h 47m
Delta
Deal found 23/4C$ 532
Sat 27/67:00 a.m.
YUL
-
SAT
1 stop9h 51m
Delta
Wed 1/75:10 a.m.
SAT
-
YUL
1 stop10h 07m
Delta
Deal found 22/4C$ 533
Thu 24/97:55 a.m.
YUL
-
SAT
1 stop6h 50m
American Airlines
Wed 30/91:40 p.m.
SAT
-
YUL
1 stop6h 54m
American Airlines
Deal found 26/4C$ 536
Tue 8/97:00 a.m.
YUL
-
SAT
1 stop11h 09m
Delta
Mon 14/94:25 p.m.
SAT
-
YUL
1 stop6h 31m
Delta
Deal found 23/4C$ 549
Thu 10/94:30 p.m.
YUL
-
SAT
1 stop8h 19m
Air Canada
Mon 14/96:00 a.m.
SAT
-
YUL
1 stop13h 12m
Air Canada
Deal found 23/4C$ 568
Mon 8/66:35 p.m.
YUL
-
SAT
2 stops14h 52m
United Airlines
Mon 15/67:35 p.m.
SAT
-
YUL
2 stops16h 34m
United Airlines
Deal found 24/4C$ 570

Find flight deals from Pierre Elliott Trudeau Intl to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) 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 26 April 2026.

Round-trip from

C$ 488

One-way from

C$ 295

Popular in

December

Cheapest in

April

Average price

C$ 395
United Airlines
  • United Airlines
  • 12/9-12/9
  • 2 total stops
  • 13h 26m total
  • Montreal to San Antonio
Search Deals
Air Canada
  • Air Canada
  • 29/7
  • 1 total stop
  • 6h 43m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 26 April 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport 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

Tue 9/6

6:50 p.m.-12:33 a.m.

1 stop6h 43m

San Antonio

Tue 16/6

6:40 a.m.-5:45 p.m.

1 stop10h 05m

C$ 504

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

6:00 a.m.-3:49 p.m.

1 stop10h 49m

San Antonio

Sun 21/6

4:12 p.m.-11:59 p.m.

1 stop6h 47m

C$ 514
Quickest round-trip

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:00 a.m.-10:54 a.m.

1 stop5h 54m

San Antonio

Wed 13/5

5:00 p.m.-11:57 p.m.

1 stop5h 57m

C$ 514

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

7:00 a.m.-1:32 p.m.

1 stop7h 32m

San Antonio

Mon 8/6

4:12 p.m.-11:59 p.m.

1 stop6h 47m

C$ 514

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

12:48 p.m.-8:41 p.m.

1 stop8h 53m

San Antonio

Mon 15/6

12:05 p.m.-11:59 p.m.

1 stop10h 54m

C$ 514

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

6:50 p.m.-12:30 a.m.

1 stop6h 40m

San Antonio

Sun 21/6

4:00 p.m.-11:28 p.m.

1 stop6h 28m

C$ 514

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 19/6

6:50 p.m.-12:30 a.m.

1 stop6h 40m

San Antonio

Sun 21/6

4:00 p.m.-11:28 p.m.

1 stop6h 28m

C$ 514

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

7:00 a.m.-3:51 p.m.

1 stop9h 51m

San Antonio

Tue 23/6

6:45 a.m.-5:45 p.m.

1 stop10h 00m

C$ 532

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 27/6

7:00 a.m.-3:51 p.m.

1 stop9h 51m

San Antonio

Wed 1/7

5:10 a.m.-4:17 p.m.

1 stop10h 07m

C$ 533
Cheapest one-way

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

7:00 a.m.-5:06 p.m.

1 stop11h 06m

C$ 298

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Pierre Elliott Trudeau Intl to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to San Antonio

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio (average of C$ 395). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in December is currently the most expensive (average of C$ 1,249). 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 Pierre Elliott Trudeau Intl Airport to San Antonio?

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 26 April 2026.
See what other customers who have flown with Delta,United Airlines, andWestJet from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,459 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,459 reviews
Delta
7.9
Good
8,459 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,656 reviews
Delta
7.9
Good
8,459 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,327 reviews
Delta
7.9
Good
8,459 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,971 reviews
Delta
7.9
Good
8,459 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Montreal Pierre Elliott Trudeau Intl. On average, San Antonio has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 4 airlines. San Antonio is conveniently located just 12.2 km from San Antonio’s city centre.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio can take about 6h 43m. KLM provides one of the quickest options available for as low as C$ 504. The distance between Montreal Pierre Elliott Trudeau Intl Airport and San Antonio is about 2787 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio round-trip?

    Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio round-trip from C$ 308. Other airlines that can offer you cheap pricing are Delta, from C$ 414, and WestJet, from C$ 609. United Airlines is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to San Antonio that include hotel bookings?

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

  • How can I find direct flights from Pierre Elliott Trudeau Intl to San Antonio?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to San Antonio?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to San Antonio?

    Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio (average of C$ 395). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in December is currently the most expensive (average of C$ 1,249). 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 3 airlines flying from Pierre Elliott Trudeau Intl to San Antonio

Discover the top 3 airlines that operate flights from Pierre Elliott Trudeau Intl 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 26 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 489AverageC$ 558FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 609AverageC$ 780FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 748AverageC$ 1,249FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Pierre Elliott Trudeau Intl to San Antonio?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl to San Antonio?

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to San Antonio by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to San Antonio with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to San Antonio with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to San Antonio become cheaper?

Of course! You can now track prices for flights from Pierre Elliott Trudeau Intl 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.