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Cheap flights from San Antonio to Montreal from $421

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Montreal departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
3:12 pm - 1:30 amSAT-YUL
33h 18m2 stops
Multiple Airlines Logo
6:45 am - 6:32 pmYUL-SAT
12h 47m1 stop
$421Multiple Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Multiple Airlines Logo
7:37 pm - 4:55 pmSAT-YUL
20h 18m2 stops
Multiple Airlines Logo
6:45 am - 6:32 pmYUL-SAT
12h 47m1 stop
$429Multiple Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
7:34 pm - 6:25 pmSAT-YUL
21h 51m2 stops
Multiple Airlines Logo
6:45 am - 3:11 pmYUL-SAT
9h 26m1 stop
$443Multiple Airlines
Find Deal
Mon, Jan 12 - Mon, Jan 19
Multiple Airlines Logo
4:20 pm - 11:05 amSAT-YUL
17h 45m2 stops
Multiple Airlines Logo
6:45 am - 6:32 pmYUL-SAT
12h 47m1 stop
$448Multiple Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Multiple Airlines Logo
7:00 am - 5:55 pmSAT-YUL
33h 55m3 stops
Multiple Airlines Logo
6:45 am - 6:32 pmYUL-SAT
12h 47m1 stop
$452Multiple Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Delta Logo
11:35 am - 11:14 pmSAT-YUL
10h 39m1 stop
Delta Logo
6:00 am - 3:56 pmYUL-SAT
10h 56m1 stop
$556Delta
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Wed, Oct 29 - Wed, Nov 5
United Airlines Logo
5:30 am - 3:16 pmSAT-YUL
8h 46m2 stops
United Airlines Logo
7:00 am - 3:18 pmYUL-SAT
9h 18m1 stop
$566United Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
United Airlines Logo
5:30 am - 3:16 pmSAT-YUL
8h 46m2 stops
United Airlines Logo
2:13 pm - 11:16 pmYUL-SAT
10h 03m2 stops
$571United Airlines
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Wed, Oct 29 - Wed, Nov 5
Delta Logo
4:25 pm - 11:54 pmSAT-YUL
6h 29m1 stop
Delta Logo
6:15 pm - 12:14 amYUL-SAT
6h 59m1 stop
$576Delta
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Wed, Apr 8 - Sun, Apr 12
American Airlines Logo
6:00 am - 4:39 pmSAT-YUL
9h 39m2 stops
American Airlines Logo
7:30 am - 8:10 pmYUL-SAT
13h 40m2 stops
$591American Airlines
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Sat, Nov 1 - Tue, Nov 4

Delta flights from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on San Antonio to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
Oct 29
SAT11:35 amSan Antonio
10h 39m
1 stop
YUL11:14 pmMontreal Pierre Elliott Trudeau Intl
Nov 5
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
10h 56m
1 stop
SAT3:56 pmSan Antonio
$556
Find similar
Delta
Apr 8
SAT4:25 pmSan Antonio
6h 29m
1 stop
YUL11:54 pmMontreal Pierre Elliott Trudeau Intl
Apr 12
YUL6:15 pmMontreal Pierre Elliott Trudeau Intl
6h 59m
1 stop
SAT12:14 amSan Antonio
$576
Find similar
Delta
Nov 25
SAT8:00 amSan Antonio
8h 21m
1 stop
YUL5:21 pmMontreal Pierre Elliott Trudeau Intl
Nov 29
YUL12:50 pmMontreal Pierre Elliott Trudeau Intl
11h 07m
1 stop
SAT10:57 pmSan Antonio
$617
Find similar

United Airlines flights from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport

Our best United Airlines deals on San Antonio to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
Oct 29
SAT5:30 amSan Antonio
8h 46m
2 stops
YUL3:16 pmMontreal Pierre Elliott Trudeau Intl
Nov 5
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 18m
1 stop
SAT3:18 pmSan Antonio
$566
Find similar
United Airlines
Oct 29
SAT5:30 amSan Antonio
8h 46m
2 stops
YUL3:16 pmMontreal Pierre Elliott Trudeau Intl
Nov 5
YUL2:13 pmMontreal Pierre Elliott Trudeau Intl
10h 03m
2 stops
SAT11:16 pmSan Antonio
$571
Find similar
United Airlines
Nov 1
SAT5:30 amSan Antonio
7h 30m
2 stops
YUL2:00 pmMontreal Pierre Elliott Trudeau Intl
Nov 4
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
7h 25m
1 stop
SAT12:25 pmSan Antonio
$581
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 832,500 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 11/1

3:12 pm-1:30 am

2 stops33h 18m

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

6:45 am-6:32 pm

1 stop12h 47m

$421

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 11/26

7:37 pm-4:55 pm

2 stops20h 18m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

6:45 am-6:32 pm

1 stop12h 47m

$429

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Mon 1/12

7:34 pm-6:25 pm

2 stops21h 51m

Montreal Pierre Elliott Trudeau Intl

Mon 1/19

6:45 am-3:11 pm

1 stop9h 26m

$443

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 11/1

4:20 pm-11:05 am

2 stops17h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

6:45 am-6:32 pm

1 stop12h 47m

$448

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 11/1

7:00 am-5:55 pm

3 stops33h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

6:45 am-6:32 pm

1 stop12h 47m

$452

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 10/29

11:35 am-11:14 pm

1 stop10h 39m

Montreal Pierre Elliott Trudeau Intl

Wed 11/5

6:00 am-3:56 pm

1 stop10h 56m

$556

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 10/29

5:30 am-3:16 pm

2 stops8h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 11/5

7:00 am-3:18 pm

1 stop9h 18m

$566

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 10/29

5:30 am-3:16 pm

2 stops8h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 11/5

2:13 pm-11:16 pm

2 stops10h 03m

$571

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Wed 4/8

4:25 pm-11:54 pm

1 stop6h 29m

Montreal Pierre Elliott Trudeau Intl

Sun 4/12

6:15 pm-12:14 am

1 stop6h 59m

$576

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

Sat 11/1

6:00 am-4:39 pm

2 stops9h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 11/4

7:30 am-8:10 pm

2 stops13h 40m

$591

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Montreal from

How to get the cheapest flight ticket from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of April is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from San Antonio averaging around $374.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport is on a Saturday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Saturday will often find tickets for as low as $396. Flights from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around $518. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

At noon is the cheapest time of day to fly from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $396. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $482.

When to book flights from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Montreal Pierre Elliott Trudeau Intl Airport (SAT to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport

Direct flights

None
There are no direct flights from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport. There are no popular flight routes from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport.
Search flight deals

  • How far is San Antonio to Montreal Pierre Elliott Trudeau Intl by plane?

    The distance between San Antonio and Montreal Pierre Elliott Trudeau Intl is about 1738.4 mi. Typically, this will take 6h 29m by plane in normal conditions.

  • When did momondo last update prices for flights from San Antonio Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from San Antonio Airport to Montreal Pierre Elliott Trudeau Intl Airport are updated daily.

  • How many operators does momondo search for flights from San Antonio Airport to Montreal Pierre Elliott Trudeau Intl Airport?

  • How old do you have to be to fly from San Antonio Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The required travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from San Antonio to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $164Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $320Free CancellationRating
7.4
8,973 reviews
Search United Airlines flights
American AirlinesPriceFrom $393Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
WestJetPriceFrom $427Free CancellationRating
7.2
3,124 reviews
Search WestJet flights

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Dorval
Longueuil
Brossard
Magog
Trois-Rivières
Boucherville
Cornwall
Drummondville
Saint-Sauveur
Sherbrooke
Montebello
Bromont
Saint-Jean-sur-Richelieu
North Hatley
Sutton

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Montreal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Montreal for you.

Can I find flights from San Antonio to Montreal with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Montreal from San Antonio with this policy.

How can momondo help me find flights from San Antonio to Montreal?

momondo provides multiple filters to help you find the best flight to Montreal from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Antonio to Montreal right now. Can momondo alert me if prices change?

Price alerts on flights to Montreal from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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