HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$189+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to San Antonio (SAT)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pierre Elliott Trudeau Intl to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to San Antonio are usually found in April or May, booked 7 days in advance, depart on a Wednesday or Thursday and return on a Saturday

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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:45 amYUL - SAT
1 stop12h 47mMultiple Airlines
Thu 12/41:55 pmSAT - YUL
2 stops27h 30mMultiple Airlines
Deal found 10/28$394
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:45 amYUL - SAT
1 stop17h 41mMultiple Airlines
Thu 12/182:39 pmSAT - YUL
1 stop9h 06mMultiple Airlines
Deal found 10/27$415
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:10 pmYUL - SAT
2 stops23h 49mMultiple Airlines
Mon 12/17:37 pmSAT - YUL
2 stops20h 18mMultiple Airlines
Deal found 10/27$435
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:26 pmYUL - SAT
1 stop7h 12mDelta
Mon 12/16:30 amSAT - YUL
1 stop9h 51mDelta
Deal found 10/27$437
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/272:13 pmYUL - SAT
1 stop7h 02mUnited Airlines
Thu 12/47:00 amSAT - YUL
1 stop6h 00mUnited Airlines
Deal found 10/28$443
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:00 amYUL - SAT
1 stop9h 47mDelta
Fri 12/1911:51 amSAT - YUL
1 stop10h 41mDelta
Deal found 10/28$451
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:00 amYUL - SAT
2 stops14h 37mUnited Airlines
Sun 11/97:07 amSAT - YUL
1 stop7h 09mUnited Airlines
Deal found 10/26$480

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$362
(Kiwi.com)

One-way from

$189
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$431
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-San Antonio flights.
Search Deals
From Montreal Pierre Elliott Trudeau Intl to San Antonio
Search Deals
One-way flight from Montreal Pierre Elliott Trudeau Intl to San Antonio
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 2,558,603 searches. Data last updated October 28, 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 1/5

6:45 am-11:50 am

3 stops30h 05m

San Antonio

Mon 1/12

6:00 am-8:14 pm

2 stops13h 14m

$380

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

8:00 am-11:26 pm

1 stop16h 26m

San Antonio

Fri 1/9

1:51 pm-7:05 am

2 stops16h 14m

$397

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

6:45 am-11:26 pm

1 stop17h 41m

San Antonio

Thu 12/18

2:39 pm-12:45 am

1 stop9h 06m

$415

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 1/6

8:00 am-11:26 pm

1 stop16h 26m

San Antonio

Fri 1/9

1:51 pm-7:05 am

2 stops16h 14m

$430

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

6:26 pm-12:38 am

1 stop7h 12m

San Antonio

Mon 12/1

6:30 am-5:21 pm

1 stop9h 51m

$437

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 11/27

2:13 pm-8:15 pm

1 stop7h 02m

San Antonio

Thu 12/4

7:00 am-2:00 pm

1 stop6h 00m

$443

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 1/4

4:35 pm-6:16 pm

1 stop26h 41m

San Antonio

Thu 1/8

6:00 am-8:14 pm

2 stops13h 14m

$443

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

6:45 am-6:32 pm

1 stop12h 47m

San Antonio

Mon 12/1

7:37 pm-4:55 pm

2 stops20h 18m

$445

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

5:25 pm-11:26 pm

2 stops31h 01m

$189

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 11/12

6:45 am-6:32 pm

2 stops12h 47m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 14 results
1
2

Compare providers for flights from Pierre Elliott Trudeau Intl to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to San Antonio in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 2025.

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio, you should look to book at least 7 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $189). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in June is currently the most expensive (average of $415). 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.

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?

    If you book a flight to San Antonio from Montreal Pierre Elliott Trudeau Intl, you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 0 flights from Montreal Pierre Elliott Trudeau Intl to San Antonio per day from 0 different airlines.

  • 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 $189). Flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio in June is currently the most expensive (average of $415). 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.