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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 255

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
11 Apr — 18 Apr1
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 12 March 2026.

Tue 21/46:00 a.m.
YUL
-
SAT
1 stop10h 49m
Delta
Tue 28/45:00 p.m.
SAT
-
YUL
1 stop5h 51m
Delta
Deal found 7/3C$ 562
Fri 3/46:46 p.m.
YUL
-
SAT
1 stop6h 52m
Delta
Tue 7/412:34 p.m.
SAT
-
YUL
1 stop10h 10m
Delta
Deal found 9/3C$ 565
Tue 9/66:00 a.m.
YUL
-
SAT
1 stop7h 30m
United Airlines
Wed 10/66:27 a.m.
SAT
-
YUL
1 stop8h 43m
United Airlines
Deal found 10/3C$ 574
Thu 26/37:12 a.m.
YUL
-
SAT
1 stop14h 38m
American Airlines
Sun 29/36:24 a.m.
SAT
-
YUL
1 stop6h 21m
American Airlines
Deal found 10/3C$ 576
Wed 10/66:45 a.m.
YUL
-
SAT
2 stops18h 06m
Multiple Airlines
Fri 12/66:00 a.m.
SAT
-
YUL
1 stop7h 50m
Multiple Airlines
Deal found 10/3C$ 582
Sun 7/67:00 a.m.
YUL
-
SAT
1 stop11h 13m
Delta
Mon 15/64:25 p.m.
SAT
-
YUL
1 stop6h 31m
Delta
Deal found 10/3C$ 585
Wed 3/66:51 p.m.
YUL
-
SAT
1 stop6h 53m
WestJet
Wed 29/75:30 a.m.
SAT
-
YUL
1 stop10h 35m
WestJet
Deal found 9/3C$ 604
Fri 12/66:45 a.m.
YUL
-
SAT
2 stops11h 28m
WestJet
Mon 15/64:00 p.m.
SAT
-
YUL
1 stop6h 10m
WestJet
Deal found 10/3C$ 607
Thu 11/68:00 p.m.
YUL
-
SAT
2 stops18h 46m
WestJet
Fri 12/64:25 p.m.
SAT
-
YUL
1 stop6h 31m
WestJet
Deal found 10/3C$ 608
Fri 25/98:00 p.m.
YUL
-
SAT
2 stops18h 07m
WestJet
Tue 29/94:00 p.m.
SAT
-
YUL
1 stop6h 10m
WestJet
Deal found 11/3C$ 615
Wed 10/67:00 a.m.
YUL
-
SAT
1 stop11h 13m
WestJet
Sat 13/64:00 p.m.
SAT
-
YUL
1 stop6h 10m
WestJet
Deal found 10/3C$ 616

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 12 March 2026.

Round-trip from

C$ 562

One-way from

C$ 253

Popular in

December

Cheapest in

April

Average price

C$ 414
Delta
  • Delta
  • 31/3-8/4
  • 2 total stops
  • 19h 59m total
  • Montreal to San Antonio
Search Deals
13/4
  • 13/4
  • 1 total stop
  • 26h 27m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 12 March 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

Fri 3/4

6:46 p.m.-12:38 a.m.

1 stop6h 52m

San Antonio

Wed 8/4

6:13 a.m.-5:41 p.m.

1 stop10h 28m

C$ 565

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

7:00 a.m.-3:04 p.m.

1 stop9h 04m

San Antonio

Mon 30/3

7:15 a.m.-7:45 p.m.

1 stop11h 30m

C$ 565
Quickest round-trip

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/4

6:46 p.m.-12:38 a.m.

1 stop6h 52m

San Antonio

Tue 7/4

1:37 p.m.-11:44 p.m.

1 stop9h 07m

C$ 565

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

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

1 stop10h 49m

San Antonio

Sat 18/4

1:55 p.m.-11:51 p.m.

1 stop8h 56m

C$ 565

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

2:20 p.m.-8:40 p.m.

1 stop7h 20m

San Antonio

Sat 18/4

7:15 a.m.-7:45 p.m.

1 stop11h 30m

C$ 576

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

7:00 a.m.-5:16 p.m.

1 stop11h 16m

San Antonio

Mon 15/6

4:25 p.m.-11:56 p.m.

1 stop6h 31m

C$ 585

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

6:45 p.m.-12:38 a.m.

1 stop6h 53m

San Antonio

Mon 30/3

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

1 stop10h 18m

C$ 585
Cheapest one-way

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

4:35 p.m.-12:27 p.m.

1 stop20h 52m

C$ 285

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 24/4

8:00 a.m.-11:51 p.m.

1 stop16h 51m

C$ 293

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

1:45 p.m.-12:27 p.m.

2 stops23h 42m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 17 resultsSorted by cheapest first
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$ 257). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in January is currently the most expensive (average of C$ 637). 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 12 March 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
8,286 reviews
Check prices

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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.
Delta
7.9
Good
8,286 reviews
Delta
7.9
Good
8,286 reviews
Check prices

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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.
United Airlines
7.4
Good
9,418 reviews
Delta
7.9
Good
8,286 reviews
Check prices

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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.
WestJet
7.2
Good
3,291 reviews
Delta
7.9
Good
8,286 reviews
Check prices

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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.
Air Canada
7.1
Good
10,800 reviews
Delta
7.9
Good
8,286 reviews
Check prices

Comfort

7.9

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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 6h 52m. United Airlines provides one of the quickest options available for as low as C$ 565. 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$ 306. Other airlines that can offer you cheap pricing are Delta, from C$ 349, and Air Canada, from C$ 411. United Airlines is 54% 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$ 257). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in January is currently the most expensive (average of C$ 637). 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 12 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 306AverageC$ 412FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 349AverageC$ 488FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 411AverageC$ 1,216FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 489AverageC$ 765FlexibilityNo 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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