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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 286

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SAT
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 488

One-way from

C$ 286

Popular in

February

Cheapest in

April

Average price

C$ 770
United Airlines
  • United Airlines
  • 1/11-4/11
  • 4 total stops
  • 22h 38m total
  • Montreal to San Antonio
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Delta
  • Delta
  • 26/7
  • 1 total stop
  • 9h 32m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 118 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
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Average for round-trip flights in June 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 12 June 2025.

Sat 1/117:00 a.m.YUL - SAT
1 stop9h 18mUnited Airlines
Tue 4/117:07 a.m.SAT - YUL
1 stop7h 09mUnited Airlines
Deal found 11/6C$ 488
Fri 11/76:59 p.m.YUL - SAT
1 stop6h 15mDelta
Fri 18/72:49 p.m.SAT - YUL
1 stop8h 06mDelta
Deal found 11/6C$ 489
Fri 24/102:30 p.m.YUL - SAT
1 stop8h 48mAmerican Airlines
Mon 27/106:28 p.m.SAT - YUL
1 stop16h 07mAmerican Airlines
Deal found 10/6C$ 502
Mon 1/94:30 p.m.YUL - SAT
1 stop7h 18mAir Canada
Sun 7/97:00 a.m.SAT - YUL
1 stop7h 00mAir Canada
Deal found 11/6C$ 562
Tue 15/76:59 p.m.YUL - SAT
1 stop6h 15mWestJet
Wed 30/72:49 p.m.SAT - YUL
1 stop8h 06mWestJet
Deal found 9/6C$ 585
Tue 24/610:45 a.m.YUL - SAT
3 stops25h 52mMultiple Airlines
Sat 5/74:20 p.m.SAT - YUL
3 stops31h 17mMultiple Airlines
Deal found 11/6C$ 651

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 12 June 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

Sat 1/11

7:00 a.m.-3:18 p.m.

1 stop9h 18m

San Antonio

Tue 4/11

7:07 a.m.-3:16 p.m.

1 stop7h 09m

C$ 488

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 3/7

6:45 p.m.-12:17 a.m.

1 stop6h 32m

San Antonio

Thu 10/7

2:49 p.m.-11:55 p.m.

1 stop8h 06m

C$ 489

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

2:30 p.m.-10:18 p.m.

1 stop8h 48m

San Antonio

Mon 27/10

6:28 p.m.-11:35 a.m.

1 stop16h 07m

C$ 502

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

4:30 p.m.-10:48 p.m.

1 stop7h 18m

San Antonio

Sun 7/9

7:00 a.m.-3:00 p.m.

1 stop7h 00m

C$ 562

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 15/7

6:59 p.m.-12:14 a.m.

1 stop6h 15m

San Antonio

Wed 30/7

2:49 p.m.-11:55 p.m.

1 stop8h 06m

C$ 585

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 24/6

6:35 p.m.-11:37 a.m.

2 stops18h 02m

San Antonio

Sat 5/7

4:20 p.m.-9:02 a.m.

2 stops15h 42m

C$ 619

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 16/9

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

2 stops14h 37m

C$ 286

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Tue 16/9

7:00 a.m.-11:30 p.m.

3 stops17h 30m

C$ 349

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 9 June 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 is the cheapest time of day to fly from YUL to SAT?

Find hourly flight availability from Pierre Elliott Trudeau Intl to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio at noon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 41.0 - 95.0 mm per month. May is typically the wettest month, when rainfall can reach 95.0 mm. December is typically the driest time to visit San Antonio when rainfall is around 41.0 mm.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 12 June 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Montreal to San Antonio have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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$ 488. Other airlines that can offer you cheap pricing are Delta, from C$ 489, and American Airlines, from C$ 502. United Airlines is 17% 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

Browse thousands of different options on Cheapflights for your next trip

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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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 332AverageC$ 424FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 351AverageC$ 553FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 369AverageC$ 495FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 458AverageC$ 602FlexibilityNo 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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