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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 274

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
3 Aug — 10 Aug1
1 adult

Cheap 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 29 July 2025.

Round-trip from

C$ 545

One-way from

C$ 274

Popular in

July

Cheapest in

April

Average price

C$ 822
United Airlines
  • United Airlines
  • 24/9-1/10
  • 3 total stops
  • 18h 39m total
  • Montreal to San Antonio
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25/9
  • 25/9
  • 1 total stop
  • 8h 04m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Pierre Elliott Trudeau Intl to San Antonio

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 29 July 2025.

Wed 24/92:20 p.m.YUL - SAT
1 stop7h 13mUnited Airlines
Wed 1/106:00 a.m.SAT - YUL
1 stop9h 10mUnited Airlines
Deal found 29/7C$ 545
Sat 30/87:29 a.m.YUL - SAT
1 stop6h 54mAmerican Airlines
Mon 1/98:00 a.m.SAT - YUL
1 stop13h 59mAmerican Airlines
Deal found 28/7C$ 571
Mon 25/86:45 a.m.YUL - SAT
1 stop11h 03mMultiple Airlines
Mon 1/95:53 p.m.SAT - YUL
2 stops26h 24mMultiple Airlines
Deal found 28/7C$ 616
Mon 1/96:35 p.m.YUL - SAT
1 stop5h 59mWestJet
Sun 7/96:00 a.m.SAT - YUL
2 stops17h 41mWestJet
Deal found 27/7C$ 639
Tue 26/87:00 a.m.YUL - SAT
1 stop8h 20mDelta
Tue 2/93:50 p.m.SAT - YUL
1 stop6h 18mDelta
Deal found 29/7C$ 1,399

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 29 July 2025.
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

Wed 24/9

11:23 a.m.-7:52 p.m.

2 stops9h 29m

San Antonio

Wed 1/10

6:00 a.m.-4:10 p.m.

1 stop9h 10m

C$ 545

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 30/8

7:29 a.m.-1:23 p.m.

1 stop6h 54m

San Antonio

Mon 1/9

8:00 a.m.-10:59 p.m.

1 stop13h 59m

C$ 571

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 25/8

6:45 a.m.-4:48 p.m.

1 stop11h 03m

San Antonio

Mon 1/9

5:53 p.m.-9:17 p.m.

2 stops26h 24m

C$ 616

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

6:35 p.m.-11:34 p.m.

1 stop5h 59m

San Antonio

Sun 7/9

6:00 a.m.-12:41 a.m.

2 stops17h 41m

C$ 639

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 26/8

7:00 a.m.-2:20 p.m.

1 stop8h 20m

San Antonio

Tue 2/9

3:50 p.m.-11:08 p.m.

1 stop6h 18m

C$ 1,399

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

6:45 a.m.-1:49 p.m.

1 stop8h 04m

C$ 274

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

9:15 a.m.-10:48 p.m.

2 stops14h 33m

C$ 313

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

7:25 a.m.-7:22 p.m.

1 stop12h 57m

C$ 320

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 3/8

6:00 a.m.-3:31 p.m.

1 stop10h 31m

C$ 410

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 2/8

2:50 p.m.-5:06 p.m.

1 stop27h 16m

C$ 432

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

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

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to San Antonio. Price data was last updated on 25 July 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 7 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$ 325). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in May is currently the most expensive (average of C$ 443). 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 Pierre Elliott Trudeau Intl Airport to San Antonio?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.

Detroit (DTW) – chosen by Cheapflights users on 77% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of C$ 388.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 4h 04m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 10m.

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 29 July 2025.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines 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
8.0
Very good
7,977 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
WestJet
7.2
Good
2,973 reviews
Delta
8.0
Very good
7,977 reviews
Check prices

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.

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.

  • 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$ 545. Other airlines that can offer you cheap pricing are American Airlines, from C$ 571, and WestJet, from C$ 639. United Airlines is 12% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio one-way?

    C$ 313 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from C$ 320 and C$ 410, respectively.

  • 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$ 325). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in May is currently the most expensive (average of C$ 443). 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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 333AverageC$ 436FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 352AverageC$ 490FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 370AverageC$ 497FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 460AverageC$ 620FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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

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