Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 266

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
11 oct. — 18 oct.1
1 adult
1 adult, Economy

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 11 septiembre 2025.

Round-trip from

C$ 492

One-way from

C$ 266

Popular in

July

Cheapest in

April

Average price

C$ 658
Delta
  • Delta
  • 23/9-26/9
  • 2 total stops
  • 21h 20m total
  • Montreal to San Antonio
24/10
  • 24/10
  • 3 total stops
  • 31h 19m total
  • Montreal to San Antonio
Highest demand for flights based on searches. 16% potential increase in price (C$ 177 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 11 septiembre 2025.

mar. 23/97:00 a.m.YUL - SAT
1 stop11h 06mDelta
vie. 26/96:35 a.m.SAT - YUL
1 stop10h 14mDelta
Deal found 9/9C$ 492
dom. 26/107:00 a.m.YUL - SAT
1 stop11h 16mDelta
mié. 29/1011:35 a.m.SAT - YUL
1 stop10h 39mDelta
Deal found 9/9C$ 549
mar. 23/99:45 a.m.YUL - SAT
2 stops12h 32mUnited Airlines
vie. 26/95:09 p.m.SAT - YUL
1 stop16h 31mUnited Airlines
Deal found 9/9C$ 564
mar. 7/104:30 p.m.YUL - SAT
1 stop7h 05mAir Canada
mar. 14/105:30 a.m.SAT - YUL
1 stop8h 20mAir Canada
Deal found 9/9C$ 565
sáb. 11/103:44 p.m.YUL - SAT
1 stop17h 37mAmerican Airlines
sáb. 18/106:24 p.m.SAT - YUL
1 stop16h 16mAmerican Airlines
Deal found 11/9C$ 586
lun. 3/116:45 a.m.YUL - SAT
1 stop12h 45mMultiple Airlines
vie. 28/116:00 a.m.SAT - YUL
2 stops15h 10mMultiple Airlines
Deal found 10/9C$ 592
dom. 26/106:45 a.m.YUL - SAT
1 stop12h 45mMultiple Airlines
mié. 29/107:00 a.m.SAT - YUL
2 stops29h 32mMultiple Airlines
Deal found 9/9C$ 596
lun. 3/116:45 a.m.YUL - SAT
1 stop12h 45mMultiple Airlines
lun. 1/126:23 p.m.SAT - YUL
2 stops35h 42mMultiple Airlines
Deal found 10/9C$ 597
mar. 7/108:30 a.m.YUL - SAT
2 stops15h 05mUnited Airlines
mar. 14/107:38 p.m.SAT - YUL
2 stops15h 16mUnited Airlines
Deal found 9/9C$ 621

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 11 septiembre 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

mar. 23/9

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

1 stop11h 06m

San Antonio

vie. 26/9

6:35 a.m.-5:49 p.m.

1 stop10h 14m

C$ 492

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

mié. 24/9

6:55 p.m.-11:59 p.m.

1 stop6h 04m

San Antonio

vie. 26/9

6:35 a.m.-5:49 p.m.

1 stop10h 14m

C$ 492

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

dom. 26/10

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

1 stop11h 16m

San Antonio

mié. 29/10

11:35 a.m.-11:14 p.m.

1 stop10h 39m

C$ 549

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

mar. 23/9

9:45 a.m.-9:17 p.m.

2 stops12h 32m

San Antonio

vie. 26/9

5:09 p.m.-10:40 a.m.

1 stop16h 31m

C$ 564

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

mié. 24/9

6:15 a.m.-7:52 p.m.

2 stops14h 37m

San Antonio

vie. 26/9

5:09 p.m.-10:40 a.m.

1 stop16h 31m

C$ 564

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

mar. 7/10

4:30 p.m.-10:35 p.m.

1 stop7h 05m

San Antonio

mar. 14/10

5:30 a.m.-2:50 p.m.

1 stop8h 20m

C$ 565

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

sáb. 11/10

3:44 p.m.-8:21 a.m.

1 stop17h 37m

San Antonio

sáb. 18/10

6:24 p.m.-11:40 a.m.

1 stop16h 16m

C$ 586

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

lun. 3/11

6:45 a.m.-6:30 p.m.

1 stop12h 45m

San Antonio

vie. 28/11

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

2 stops15h 10m

C$ 592

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

dom. 26/10

6:45 a.m.-6:30 p.m.

1 stop12h 45m

San Antonio

mié. 29/10

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

2 stops29h 32m

C$ 596

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

lun. 3/11

6:45 a.m.-6:30 p.m.

1 stop12h 45m

San Antonio

lun. 1/12

6:23 p.m.-7:05 a.m.

2 stops35h 42m

C$ 601

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
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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 29 August 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.

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 11 septiembre 2025.
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.

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 11h 06m. Delta provides one of the quickest options available for as low as C$ 492. 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$ 337. Other airlines that can offer you cheap pricing are Delta, from C$ 356, and Air Canada, from C$ 374. United Airlines is 46% 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$ 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 11 septiembre 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 337AverageC$ 481FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 356AverageC$ 495FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 374AverageC$ 502FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 470AverageC$ 666FlexibilityNo 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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