Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 242

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
25 Feb — 4 Mar1
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 January 2026.

Mon 23/25:25 p.m.
YUL
-
SAT
2 stops17h 05m
Multiple Airlines
Mon 2/31:52 p.m.
SAT
-
YUL
1 stop9h 38m
Multiple Airlines
Deal found 25/1C$ 522
Fri 3/412:42 p.m.
YUL
-
SAT
1 stop10h 48m
Delta
Tue 7/41:37 p.m.
SAT
-
YUL
1 stop9h 08m
Delta
Deal found 24/1C$ 559
Mon 23/27:12 a.m.
YUL
-
SAT
1 stop16h 43m
American Airlines
Mon 2/35:48 p.m.
SAT
-
YUL
1 stop18h 57m
American Airlines
Deal found 25/1C$ 560
Wed 11/37:00 a.m.
YUL
-
SAT
2 stops15h 06m
United Airlines
Wed 18/35:00 a.m.
SAT
-
YUL
2 stops9h 16m
United Airlines
Deal found 25/1C$ 562
Wed 25/22:40 p.m.
YUL
-
SAT
1 stop7h 57m
Multiple Airlines
Wed 11/36:00 a.m.
SAT
-
YUL
2 stops41h 38m
Multiple Airlines
Deal found 23/1C$ 575
Wed 25/22:40 p.m.
YUL
-
SAT
1 stop7h 57m
Delta
Wed 11/36:13 a.m.
SAT
-
YUL
1 stop10h 18m
Delta
Deal found 23/1C$ 589
Wed 25/22:40 p.m.
YUL
-
SAT
1 stop7h 57m
WestJet
Wed 11/37:35 a.m.
SAT
-
YUL
2 stops22h 30m
WestJet
Deal found 23/1C$ 615
Fri 19/67:00 a.m.
YUL
-
SAT
1 stop18h 14m
WestJet
Sat 11/75:20 a.m.
SAT
-
YUL
1 stop9h 41m
WestJet
Deal found 25/1C$ 618
Fri 3/46:45 a.m.
YUL
-
SAT
2 stops16h 57m
WestJet
Tue 7/47:00 a.m.
SAT
-
YUL
2 stops23h 05m
WestJet
Deal found 24/1C$ 626
Wed 25/28:25 a.m.
YUL
-
SAT
2 stops12h 28m
United Airlines
Wed 11/37:00 a.m.
SAT
-
YUL
2 stops9h 55m
United Airlines
Deal found 23/1C$ 633

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 January 2026.

Round-trip from

C$ 522

One-way from

C$ 242

Popular in

December

Cheapest in

April

Average price

C$ 515
23/2-2/3
  • 23/2-2/3
  • 3 total stops
  • 26h 43m total
  • Montreal to San Antonio
4/3
  • 4/3
  • 2 total stops
  • 20h 47m total
  • Montreal to San Antonio
Highest demand for flights based on searches. 16% potential increase in price (C$ 182 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease (C$ 75 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 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

Pierre Elliott Trudeau Intl

Fly to

San Antonio

Route

Depart

Return

Price

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

5:25 p.m.-9:30 a.m.

2 stops17h 05m

San Antonio

Mon 2/3

1:52 p.m.-12:30 a.m.

1 stop9h 38m

C$ 522

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

12:42 p.m.-10:30 p.m.

1 stop10h 48m

San Antonio

Tue 7/4

1:37 p.m.-11:45 p.m.

1 stop9h 08m

C$ 559

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

7:12 a.m.-10:55 p.m.

1 stop16h 43m

San Antonio

Mon 2/3

5:48 p.m.-1:45 p.m.

1 stop18h 57m

C$ 560

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

6:00 a.m.-12:27 p.m.

1 stop7h 27m

San Antonio

Wed 18/3

7:30 a.m.-3:16 p.m.

1 stop6h 46m

C$ 560

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

2:25 p.m.-10:55 p.m.

1 stop9h 30m

San Antonio

Sat 11/4

6:10 a.m.-1:52 p.m.

1 stop6h 42m

C$ 560

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

6:35 p.m.-8:42 a.m.

2 stops15h 07m

San Antonio

Sat 11/4

7:15 a.m.-12:13 a.m.

1 stop15h 58m

C$ 562

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

2:40 p.m.-9:37 p.m.

1 stop7h 57m

San Antonio

Wed 11/3

10:26 a.m.-4:20 p.m.

1 stop28h 54m

C$ 582

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 25/2

2:40 p.m.-9:37 p.m.

1 stop7h 57m

San Antonio

Wed 11/3

6:13 a.m.-5:31 p.m.

1 stop10h 18m

C$ 589

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

12:42 p.m.-12:38 a.m.

1 stop12h 56m

San Antonio

Tue 7/4

7:00 a.m.-7:05 a.m.

2 stops23h 05m

C$ 615

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

8:00 a.m.-9:30 a.m.

1 stop26h 30m

C$ 245

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/1

Showing 1-10 of 17 results
1
2

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, July is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio (average of C$ 260). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in December is currently the most expensive (average of C$ 623). 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.

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 January 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.

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

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.

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

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.

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

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.

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

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.

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

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 7h 27m. Delta provides one of the quickest options available for as low as C$ 560. 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$ 222. Other airlines that can offer you cheap pricing are United Airlines, from C$ 309, and Air Canada, from C$ 415. Delta is 66% 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, July is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio (average of C$ 260). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in December is currently the most expensive (average of C$ 623). 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

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Top 4 airlines flying from Pierre Elliott Trudeau Intl to San Antonio

Discover the top 4 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 222AverageC$ 490FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 309AverageC$ 416FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 415AverageC$ 1,227FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 476AverageC$ 773FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to San Antonio?

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Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to San Antonio?

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

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