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Cheap flights from Montreal to San Antonio from C$ 288

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SAT
8 Jul — 15 Jul1
1 adult

Cheap flight deals from Montreal to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) 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 3 July 2025.

Round-trip from

C$ 484

One-way from

C$ 288

Popular in

March

Cheapest in

November

Average price

C$ 725
American Airlines
  • American Airlines
  • 23/10-6/11
  • 2 total stops
  • 35h 00m total
  • Montreal to San Antonio
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17/8
  • 17/8
  • 1 total stop
  • 11h 03m total
  • Montreal to San Antonio
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Montreal to San Antonio

Cheapest flights from Montreal to San Antonio
Explore the most affordable flight options available from Montreal to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Thu 23/103:44 p.m.YUL - SAT
1 stop17h 37mAmerican Airlines
Thu 6/118:32 p.m.SAT - YUL
1 stop17h 23mAmerican Airlines
Deal found 1/7C$ 484
Tue 8/712:47 p.m.YUL - SAT
1 stop10h 31mDelta
Tue 15/76:30 a.m.SAT - YUL
1 stop10h 24mDelta
Deal found 1/7C$ 507
Sat 23/86:15 a.m.YUL - SAT
2 stops12h 27mUnited Airlines
Sun 24/87:00 a.m.SAT - YUL
1 stop7h 00mUnited Airlines
Deal found 3/7C$ 508
Thu 23/106:45 a.m.YUL - SAT
2 stops11h 33mMultiple Airlines
Thu 6/119:00 a.m.SAT - YUL
1 stop7h 55mMultiple Airlines
Deal found 1/7C$ 534
Thu 16/107:00 a.m.YUL - SAT
2 stops17h 21mWestJet
Thu 23/106:30 a.m.SAT - YUL
2 stops17h 11mWestJet
Deal found 3/7C$ 626
Thu 3/71:00 p.m.YUL - SAT
2 stops8h 27mAir Canada
Thu 10/76:45 a.m.SAT - YUL
2 stops14h 01mAir Canada
Deal found 3/7C$ 820

Cheapflights Fare Finder

Customize your flight search to find flights from Montreal 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 3 July 2025.
Use the filters below to find and compare flights from Montreal to San Antonio that are best for you.

Fly from

Montreal

Fly to

San Antonio

Route

Depart

Return

Price

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

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

1 stop17h 37m

San Antonio

Thu 6/11

8:32 p.m.-2:55 p.m.

1 stop17h 23m

C$ 484

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 15/8

2:20 p.m.-10:59 p.m.

2 stops9h 39m

San Antonio

Fri 22/8

7:15 a.m.-10:06 p.m.

2 stops13h 51m

C$ 507

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

6:00 a.m.-10:32 a.m.

1 stop5h 32m

San Antonio

Sun 7/9

5:10 a.m.-11:58 a.m.

1 stop5h 48m

C$ 525

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

6:45 a.m.-5:18 p.m.

2 stops11h 33m

San Antonio

Thu 6/11

9:00 a.m.-5:55 p.m.

1 stop7h 55m

C$ 534

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

7:00 a.m.-11:21 p.m.

2 stops17h 21m

San Antonio

Thu 23/10

6:30 a.m.-12:41 a.m.

2 stops17h 11m

C$ 626

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Fri 11/7

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

1 stop11h 06m

C$ 294

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 26/7

8:55 a.m.-12:34 a.m.

3 stops16h 39m

C$ 307

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 20/7

6:45 a.m.-10:30 a.m.

2 stops28h 45m

C$ 369

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 20/7

9:45 a.m.-10:38 p.m.

1 stop13h 53m

C$ 534

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Best time to book a flight from Montreal to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Montreal 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 to San Antonio

What is the cheapest month to book a flight from Montreal to San Antonio?

Currently, July is the cheapest month in which you can book a flight from Montreal to San Antonio (average of C$ 325). Flying from Montreal 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 YMQ to SAT?

Find hourly flight availability from Montreal 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 3 July 2025.

It’s typically best to fly out from Montreal to San Antonio at noon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Montreal 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 3 July 2025.
Read through reviews of airlines operating flights from Montreal to San Antonio, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
2,917 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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 Montreal 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?

    San Antonio (SAT), located 12.2 km from the city centre, is the airport you fly into when you book flights from Montreal to San Antonio. 4 airlines have flights to San Antonio from Montreal on a regular basis. Booking flights from Montreal to San Antonio should not be difficult; the airport handles an average of 0 inbound flights from Montreal per day.

  • What are the cheapest airlines flying from Montreal to San Antonio round-trip?

    Currently priced at C$ 484, American Airlines will fly you from Montreal to San Antonio and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from C$ 507 and C$ 525, respectively. American Airlines is 15% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Montreal to San Antonio one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 294. Users have also found prices from C$ 369 and C$ 534 on WestJet and United Airlines, respectively.

  • Can I find deals for flights from Montreal to San Antonio that include hotel bookings?

    Yes. In addition to deals on Montreal to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to San Antonio.

  • Can I find deals for business class flights from Montreal to San Antonio?

    Yes. Cheapflights offers flight deals from Montreal 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 to San Antonio?

    Currently, July is the cheapest month in which you can book a flight from Montreal to San Antonio (average of C$ 325). Flying from Montreal 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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Alternative routes for Montreal to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Montreal to San Antonio

Discover the top 4 airlines that operate flights from Montreal 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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 331AverageC$ 425FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 350AverageC$ 490FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 368AverageC$ 494FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 457AverageC$ 603FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Montreal to San Antonio?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal 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 Montreal to San Antonio?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to San Antonio for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Montreal to San Antonio with no change fees?

Yes! Cheapflights helps users easily find flights from Montreal to San Antonio with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to San Antonio become cheaper?

Of course! You can now track prices for flights from Montreal 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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