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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 311

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
19 Jun — 26 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 20 May 2026.

Wed 18/1111:00 a.m.
YUL
-
SAT
2 stops11h 13m
United Airlines
Wed 25/117:30 a.m.
SAT
-
YUL
1 stop6h 32m
United Airlines
Deal found 17/5C$ 538
Sat 26/97:55 a.m.
YUL
-
SAT
1 stop6h 50m
American Airlines
Sat 26/96:36 p.m.
SAT
-
YUL
1 stop15h 39m
American Airlines
Deal found 18/5C$ 542
Tue 2/62:20 p.m.
YUL
-
SAT
2 stops9h 38m
United Airlines
Tue 9/66:40 a.m.
SAT
-
YUL
2 stops16h 33m
United Airlines
Deal found 19/5C$ 547
Wed 17/66:50 p.m.
YUL
-
SAT
1 stop6h 43m
Delta
Sun 21/64:00 p.m.
SAT
-
YUL
1 stop6h 28m
Delta
Deal found 17/5C$ 557
Fri 26/67:29 a.m.
YUL
-
SAT
1 stop15h 47m
American Airlines
Mon 29/66:24 p.m.
SAT
-
YUL
1 stop16h 18m
American Airlines
Deal found 18/5C$ 569
Fri 19/66:50 p.m.
YUL
-
SAT
1 stop6h 43m
WestJet
Thu 25/62:40 p.m.
SAT
-
YUL
1 stop8h 15m
WestJet
Deal found 19/5C$ 604
Mon 1/66:51 p.m.
YUL
-
SAT
1 stop6h 53m
Delta
Sun 7/65:15 a.m.
SAT
-
YUL
1 stop10h 02m
Delta
Deal found 18/5C$ 612
Sat 26/98:30 a.m.
YUL
-
SAT
2 stops9h 01m
United Airlines
Sat 26/97:30 p.m.
SAT
-
YUL
2 stops15h 30m
United Airlines
Deal found 18/5C$ 615
Thu 18/66:45 a.m.
YUL
-
SAT
2 stops10h 04m
WestJet
Thu 25/62:40 p.m.
SAT
-
YUL
1 stop8h 15m
WestJet
Deal found 19/5C$ 617
Tue 9/67:00 a.m.
YUL
-
SAT
1 stop11h 13m
WestJet
Wed 19/82:30 p.m.
SAT
-
YUL
1 stop8h 29m
WestJet
Deal found 17/5C$ 620
Thu 10/99:45 a.m.
YUL
-
SAT
1 stop14h 06m
Air Canada
Mon 14/96:00 a.m.
SAT
-
YUL
1 stop9h 10m
Air Canada
Deal found 15/5C$ 623
Tue 9/66:10 a.m.
YUL
-
SAT
1 stop7h 02m
United Airlines
Wed 19/85:30 a.m.
SAT
-
YUL
2 stops8h 10m
United Airlines
Deal found 17/5C$ 624

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 20 May 2026.

Round-trip from

C$ 542

One-way from

C$ 311

Popular in

December

Cheapest in

October

Average price

C$ 767
American Airlines
  • American Airlines
  • 26/9-26/9
  • 2 total stops
  • 22h 29m total
  • Montreal to San Antonio
Search Deals
Delta
  • Delta
  • 15/6
  • 1 total stop
  • 6h 43m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 20 May 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 2/6

2:20 p.m.-10:58 p.m.

2 stops9h 38m

San Antonio

Tue 9/6

6:40 a.m.-12:13 a.m.

2 stops16h 33m

C$ 547

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

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

1 stop6h 43m

San Antonio

Thu 25/6

12:05 p.m.-11:55 p.m.

1 stop10h 50m

C$ 557

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

9:15 a.m.-7:50 p.m.

2 stops11h 35m

San Antonio

Sat 6/6

1:20 p.m.-9:26 p.m.

1 stop7h 06m

C$ 557
Quickest round-trip

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

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

1 stop6h 43m

San Antonio

Sun 21/6

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

1 stop6h 28m

C$ 557

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

6:51 p.m.-12:44 a.m.

1 stop6h 53m

San Antonio

Sun 7/6

5:15 a.m.-4:17 p.m.

1 stop10h 02m

C$ 612

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

8:30 a.m.-4:31 p.m.

2 stops9h 01m

San Antonio

Sat 26/9

7:30 p.m.-12:00 p.m.

2 stops15h 30m

C$ 615

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

9:45 a.m.-10:51 p.m.

1 stop14h 06m

San Antonio

Mon 14/9

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

1 stop9h 10m

C$ 623
Cheapest one-way

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

9:45 a.m.-10:58 p.m.

1 stop14h 13m

C$ 311

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 3/7

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

1 stop6h 43m

C$ 311
Quickest one-way

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

6:00 a.m.-11:11 a.m.

1 stop6h 11m

C$ 311

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/5

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, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio (average of C$ 542). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in December is currently the most expensive (average of C$ 1,257). 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 20 May 2026.
See what other customers who have flown with Delta,WestJet, andAir Canada 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
8,452 reviews
Check prices

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.9
Good
8,452 reviews
Delta
7.9
Good
8,452 reviews
Check prices

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
WestJet
7.2
Good
3,339 reviews
Delta
7.9
Good
8,452 reviews
Check prices

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Air Canada
7.1
Good
11,064 reviews
Delta
7.9
Good
8,452 reviews
Check prices

Comfort

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

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 3 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. United Airlines provides one of the quickest options available for as low as C$ 557. 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$ 492. Other airlines that can offer you cheap pricing are WestJet, from C$ 635, and Air Canada, from C$ 752. Delta is 33% 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, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio (average of C$ 542). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in December is currently the most expensive (average of C$ 1,257). 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

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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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 492AverageC$ 562FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 635AverageC$ 801FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 752AverageC$ 1,257FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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.

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