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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 264
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
26 Nov — 3 Dec1
Find flight deals from Pierre Elliott Trudeau Intl to San Antonio
Cheapest flights from Pierre Elliott Trudeau Intl to San AntonioExplore 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 27 October 2025.
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 27 October 2025.
Thu 11/126:45 a.m.YUL - SAT
1 stop17h 41mMultiple Airlines
Thu 18/122:39 p.m.SAT - YUL
1 stop9h 06mMultiple Airlines
Deal found 27/10C$ 581
Sat 22/116:45 a.m.YUL - SAT
2 stops12h 47mMultiple Airlines
Sat 29/114:54 p.m.SAT - YUL
1 stop30h 36mMultiple Airlines
Deal found 25/10C$ 586
Sat 22/112:35 p.m.YUL - SAT
1 stop7h 27mDelta
Sat 29/115:15 a.m.SAT - YUL
1 stop9h 40mDelta
Deal found 25/10C$ 592
Mon 24/115:10 p.m.YUL - SAT
2 stops23h 49mMultiple Airlines
Mon 1/127:37 p.m.SAT - YUL
2 stops20h 18mMultiple Airlines
Deal found 27/10C$ 609
Mon 24/116:26 p.m.YUL - SAT
1 stop7h 12mDelta
Mon 1/126:30 a.m.SAT - YUL
1 stop9h 51mDelta
Deal found 27/10C$ 612
Tue 9/127:10 a.m.YUL - SAT
1 stop11h 10mDelta
Tue 16/125:00 p.m.SAT - YUL
1 stop5h 59mDelta
Deal found 25/10C$ 630
Sun 2/117:00 a.m.YUL - SAT
1 stop11h 16mDelta
Sun 9/115:15 a.m.SAT - YUL
1 stop5h 44mDelta
Deal found 26/10C$ 672
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 27 October 2025.
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 27 October 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
Mon 5/1
6:45 a.m.-11:50 a.m.
3 stops30h 05m
San Antonio
Mon 12/1
6:00 a.m.-8:14 p.m.
2 stops13h 14m
C$ 532
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Thu 11/12
6:45 a.m.-11:26 p.m.
1 stop17h 41m
San Antonio
Thu 18/12
2:39 p.m.-12:45 a.m.
1 stop9h 06m
C$ 581
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Sat 22/11
6:45 a.m.-6:32 p.m.
2 stops12h 47m
San Antonio
Sat 29/11
4:54 p.m.-12:30 a.m.
1 stop30h 36m
C$ 586
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Sat 22/11
2:35 p.m.-9:02 p.m.
1 stop7h 27m
San Antonio
Sat 29/11
5:15 a.m.-3:55 p.m.
1 stop9h 40m
C$ 592
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Mon 24/11
6:26 p.m.-12:38 a.m.
1 stop7h 12m
San Antonio
Mon 1/12
6:30 a.m.-5:21 p.m.
1 stop9h 51m
C$ 612
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Mon 24/11
6:45 a.m.-6:32 p.m.
1 stop12h 47m
San Antonio
Mon 1/12
7:37 p.m.-4:55 p.m.
2 stops20h 18m
C$ 623
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Fri 3/4
6:15 p.m.-12:14 a.m.
1 stop6h 59m
San Antonio
Tue 7/4
5:20 a.m.-4:01 p.m.
1 stop9h 41m
C$ 630
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Tue 9/12
7:10 a.m.-5:20 p.m.
1 stop11h 10m
San Antonio
Tue 16/12
5:00 p.m.-11:59 p.m.
1 stop5h 59m
C$ 630
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Thu 11/12
5:25 p.m.-11:26 p.m.
2 stops31h 01m
C$ 264
MontrealSan Antonio
YUL - SAT
YULSAT
Montreal Pierre Elliott Trudeau Intl
Tue 4/11
6:45 a.m.-6:32 p.m.
2 stops12h 47m
C$ 308
Showing 1-10 of 16 results
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
Prices
More
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 24 October 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$ 264). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in June is currently the most expensive (average of C$ 581). 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 71% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio on Cheapflights.
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 Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 6h 45m.
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 Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 6h 45m.
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 Detroit (DTW) offer the fastest connection on this route, with an average layover time of 1h 03m.
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 27 October 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.
Food
7.3
Crew
8.5
Boarding
8.2
Overall
7.9
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Food
7.3
Crew
8.5
Boarding
8.2
Overall
7.9
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Food
7.3
Crew
8.5
Boarding
8.2
Overall
7.9
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Food
7.3
Crew
8.5
Boarding
8.2
Overall
7.9
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - PDX
Food
7.3
Crew
8.5
Boarding
8.2
Overall
7.9
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentMary,Oct 2025
AMS - 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.
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Alternative routes for Pierre Elliott Trudeau Intl to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
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 27 October 2025.
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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.