How long is the flight from Montreal to San Antonio?

Departing from Montreal to San Antonio will take you 7h 05m. There are 2787 km between Montreal and San Antonio.

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

Currently priced at C$ 336, United Airlines will fly you from Montreal to San Antonio and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Air Canada - these airlines can fly you to your destination from C$ 355 and C$ 373, respectively. United Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Montreal to San Antonio?

Travelers seeking maximum savings on their Montreal to San Antonio flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from Montreal to San Antonio?

The most popular airlines flying from Montreal to San Antonio are Air Canada, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Montreal to San Antonio?

Saturday flights are found to be more expensive to fly from Montreal to San Antonio. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

What is the cheapest month to fly from Montreal to San Antonio?

The best pricing can be found in the month of January. Prices to San Antonio from Montreal average C$ 603. You can even find prices in January for less than C$ 603, as users have found deals to San Antonio from as low as C$ 351. The month of July appears to be one of the more expensive times to travel to San Antonio from Montreal. Flying in the targeted month can save you up to 36%.

What is the cheapest time of day to fly from YMQ to SAT?

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.

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.

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.

C$ 260+ Cheap Flights from Montreal to San Antonio

Q: How much does it cost to fly round-trip from Montreal to San Antonio?

Airfare is below average for this route at the moment. Montreal to San Antonio flights typically cost between C$ 618 and C$ 718 in September. The cheapest round-trip price found within the last 3 days was C$ 508 on Multiple Airlines (28 Sep-4 Oct).

Cheap flight deals from Montreal to San Antonio

Round-trip from	C$ 508
One-way from	C$ 260
Popular in	July
Cheapest in	January
Average price	C$ 702

28/9-4/10
2 total stops
31h 10m total
Montreal to San Antonio

Search Deals

30/10
3 total stops
32h 05m total
Montreal to San Antonio

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (C$ 194 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 15 September 2025.

Sun 28/96:45 a.m.YUL - SAT

1 stop12h 27mMultiple Airlines

Sat 4/108:37 p.m.SAT - YUL

1 stop18h 43mMultiple Airlines

Deal found 14/9C$ 508

Mon 29/94:30 p.m.YUL - SAT

1 stop7h 05mUnited Airlines

Sun 5/106:00 a.m.SAT - YUL

1 stop9h 10mUnited Airlines

Deal found 15/9C$ 547

Thu 23/106:45 a.m.YUL - SAT

1 stop10h 05mMultiple Airlines

Mon 27/105:45 p.m.SAT - YUL

2 stops21h 40mMultiple Airlines

Deal found 13/9C$ 551

Mon 29/96:45 p.m.YUL - SAT

2 stops27h 07mMultiple Airlines

Sun 5/102:42 p.m.SAT - YUL

1 stop15h 11mMultiple Airlines

Deal found 15/9C$ 558

Thu 23/102:20 p.m.YUL - SAT

2 stops19h 18mUnited Airlines

Mon 27/106:00 p.m.SAT - YUL

2 stops15h 20mUnited Airlines

Deal found 13/9C$ 618

Thu 30/103:44 p.m.YUL - SAT

1 stop17h 37mAmerican Airlines

Sat 1/112:26 p.m.SAT - YUL

1 stop7h 18mAmerican Airlines

Deal found 14/9C$ 627

Thu 18/1212:50 p.m.YUL - SAT

1 stop23h 05mWestJet

Mon 5/12:00 p.m.SAT - YUL

1 stop22h 49mWestJet

Deal found 14/9C$ 640

Best flights from Montreal to San Antonio
Discover carefully curated flight deals from Montreal to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.

Sun 28/96:45 a.m.YUL - SAT

1 stop12h 27mMultiple Airlines

Sat 4/108:37 p.m.SAT - YUL

1 stop18h 43mMultiple Airlines

Deal found 14/9C$ 508

Mon 29/94:30 p.m.YUL - SAT

1 stop7h 05mUnited Airlines

Sun 5/106:00 a.m.SAT - YUL

1 stop9h 10mUnited Airlines

Deal found 15/9C$ 547

Mon 29/96:45 p.m.YUL - SAT

2 stops27h 07mMultiple Airlines

Sun 5/102:42 p.m.SAT - YUL

1 stop15h 11mMultiple Airlines

Deal found 15/9C$ 558

Mon 26/12:13 p.m.YUL - SAT

2 stops10h 00mUnited Airlines

Wed 28/17:05 a.m.SAT - YUL

1 stop7h 11mUnited Airlines

Deal found 13/9C$ 618

Mon 26/16:45 a.m.YUL - SAT

1 stop9h 26mMultiple Airlines

Wed 28/16:00 a.m.SAT - YUL

1 stop17h 30mMultiple Airlines

Deal found 13/9C$ 587

Mon 23/22:13 p.m.YUL - SAT

1 stop7h 40mUnited Airlines

Wed 25/27:05 a.m.SAT - YUL

1 stop6h 57mUnited Airlines

Deal found 12/9C$ 618

Thu 23/102:20 p.m.YUL - SAT

2 stops19h 18mUnited Airlines

Mon 27/106:00 p.m.SAT - YUL

2 stops15h 20mUnited Airlines

Deal found 13/9C$ 618

Thu 30/107:00 a.m.YUL - SAT

1 stop9h 18mUnited Airlines

Sat 1/117:30 p.m.SAT - YUL

2 stops18h 30mUnited Airlines

Deal found 14/9C$ 618

Last-minute flights from Montreal to San Antonio
Discover last-minute flight deals from Montreal to San Antonio. Data last updated 15 September 2025 and is based on user searches.

Sun 28/96:45 a.m.YUL - SAT

1 stop12h 27mMultiple Airlines

Sat 4/108:37 p.m.SAT - YUL

1 stop18h 43mMultiple Airlines

Deal found 14/9C$ 508

Mon 29/94:30 p.m.YUL - SAT

1 stop7h 05mUnited Airlines

Sun 5/106:00 a.m.SAT - YUL

1 stop9h 10mUnited Airlines

Deal found 15/9C$ 547

Mon 29/96:45 p.m.YUL - SAT

2 stops27h 07mMultiple Airlines

Sun 5/102:42 p.m.SAT - YUL

1 stop15h 11mMultiple Airlines

Deal found 15/9C$ 558

Thu 23/106:45 a.m.YUL - SAT

1 stop10h 05mMultiple Airlines

Mon 27/105:45 p.m.SAT - YUL

2 stops21h 40mMultiple Airlines

Deal found 13/9C$ 551

Thu 23/102:20 p.m.YUL - SAT

2 stops19h 18mUnited Airlines

Mon 27/106:00 p.m.SAT - YUL

2 stops15h 20mUnited Airlines

Deal found 13/9C$ 618

Thu 30/103:44 p.m.YUL - SAT

1 stop17h 37mAmerican Airlines

Sat 1/112:26 p.m.SAT - YUL

1 stop7h 18mAmerican Airlines

Deal found 14/9C$ 627

Thu 30/107:00 p.m.YUL - SAT

2 stops14h 48mUnited Airlines

Sat 1/117:05 a.m.SAT - YUL

2 stops13h 37mUnited Airlines

Deal found 14/9C$ 691

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

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

1 stop12h 27m

San Antonio

Sat 4/10

8:37 p.m.-4:20 p.m.

1 stop18h 43m

C$ 508

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

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

1 stop7h 05m

San Antonio

Sun 5/10

6:00 a.m.-4:10 p.m.

1 stop9h 10m

C$ 547

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

6:45 p.m.-8:52 p.m.

2 stops27h 07m

San Antonio

Sun 5/10

2:42 p.m.-6:53 a.m.

1 stop15h 11m

C$ 558

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

6:45 a.m.-3:11 p.m.

1 stop9h 26m

San Antonio

Wed 28/1

6:00 a.m.-12:30 a.m.

1 stop17h 30m

C$ 587

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

2:13 p.m.-11:13 p.m.

2 stops10h 00m

San Antonio

Wed 28/1

7:05 a.m.-3:16 p.m.

1 stop7h 11m

C$ 618

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

2:13 p.m.-8:53 p.m.

1 stop7h 40m

San Antonio

Wed 25/2

7:05 a.m.-3:02 p.m.

1 stop6h 57m

C$ 618

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

2:20 p.m.-8:38 a.m.

2 stops19h 18m

San Antonio

Mon 27/10

6:00 p.m.-10:20 a.m.

2 stops15h 20m

C$ 618

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

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

1 stop9h 18m

San Antonio

Sat 1/11

7:30 p.m.-3:00 p.m.

2 stops18h 30m

C$ 618

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

11:25 a.m.-6:30 p.m.

3 stops32h 05m

C$ 260

MontrealSan Antonio

YUL - SAT

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

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

1 stop11h 16m

C$ 350

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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.

How much does it cost to fly round-trip from Montreal to San Antonio?

What’s the top layover airport for flights from Montreal to San Antonio?

Detroit (DTW) – chosen by Cheapflights users on 69% of one-stop itineraries from Montreal to San Antonio on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to San Antonio?

Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of C$ 420.

What’s the fastest layover option from Montreal to San Antonio?

Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 7h 09m.

Which airport typically offers the quickest layover for flights from Montreal to San Antonio?

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 13m.

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Montreal to San Antonio, such as Delta,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,954 reviews

Check prices

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

Delta

8.0

Very good

7,954 reviews

Delta

8.0

Very good

7,954 reviews

Check prices

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

United Airlines

7.4

Good

8,929 reviews

Delta

8.0

Very good

7,954 reviews

Check prices

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

WestJet

7.2

Good

3,091 reviews

Delta

8.0

Very good

7,954 reviews

Check prices

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

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,954 reviews

Check prices

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

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.
How long is the flight from Montreal to San Antonio?
Departing from Montreal to San Antonio will take you 7h 05m. There are 2787 km between Montreal and San Antonio.
What are the cheapest airlines flying from Montreal to San Antonio round-trip?
Currently priced at C$ 336, United Airlines will fly you from Montreal to San Antonio and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Air Canada - these airlines can fly you to your destination from C$ 355 and C$ 373, respectively. United Airlines is 44% cheaper than the average price of flights available within the next 90 days to this destination.
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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Montreal to San Antonio

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Top 4 airlines flying from Montreal to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 336	AverageC$ 479	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 355	AverageC$ 494	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 373	AverageC$ 500	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
WestJet	CheapestC$ 469	AverageC$ 664	FlexibilityNo cancel fee	On-time60%	Search WestJet flights

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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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Cheap flights from Montreal to San Antonio from C$ 260

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montreal to San Antonio

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Montreal to San Antonio

Cheapest flights from Montreal to San AntonioExplore 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 15 September 2025.

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 15 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal to San Antonio that are best for you.

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.

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?

How much does it cost to fly round-trip from Montreal to San Antonio?

What’s the top layover airport for flights from Montreal to San Antonio?

Share of one-stop round-trip flights from Montreal to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Montreal to San Antonio?

Average round-trip fare for 1-stop flights from Montreal to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Montreal to San Antonio?

Shortest average travel time for 1-stop one-way flights from Montreal to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Montreal to San Antonio?

Average layover duration for 1-stop one-way flights from Montreal to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Montreal to San Antonio, such as Delta,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Montreal to San Antonio?

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

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

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

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

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

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.

Alternative routes for Montreal to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Montreal to San Antonio

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Why should you use Cheapflights to find cheap flight tickets from Montreal to San Antonio?

Can Cheapflights 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?

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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 15 September 2025.