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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio from C$ 280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:29 a.m. - 9:38 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
15h 09m1 stop Charlotte Douglas
American Airlines Logo
7:28 a.m. - 4:53 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
8h 25m1 stop Chicago O'Hare Intl
C$ 486American Airlines
Sat, 12 Sep - Sat, 19 Sep
United Airlines Logo
6:00 a.m. - 3:10 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
10h 10m1 stop Newark
United Airlines Logo
6:30 a.m. - 5:30 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 00m1 stop Chicago O'Hare Intl
C$ 486United Airlines
Wed, 9 Sep - Sat, 12 Sep
United Airlines Logo
9:15 a.m. - 10:51 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
14h 36m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
6:30 a.m. - 5:30 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 00m1 stop Chicago O'Hare Intl
C$ 488United Airlines
Sat, 12 Sep - Sat, 19 Sep
United Airlines Logo
6:00 a.m. - 3:10 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
10h 10m1 stop Newark
United Airlines Logo
6:30 a.m. - 5:30 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 00m1 stop Chicago O'Hare Intl
C$ 488United Airlines
Wed, 9 Sep - Sat, 12 Sep
Air Canada Logo
10:40 a.m. - 9:05 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
11h 25m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
8:50 a.m. - 8:20 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 30m2 stops Toronto Pearson Intl Ottawa
C$ 553Air Canada
Wed, 26 Aug - Sat, 5 Sep
Air Canada Logo
10:40 a.m. - 9:05 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
11h 25m2 stops Ottawa Toronto Pearson Intl
Air Canada Logo
8:50 a.m. - 8:20 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 30m2 stops Toronto Pearson Intl Ottawa
C$ 579Air Canada
Mon, 24 Aug - Sat, 5 Sep
Air Canada Logo
1:10 p.m. - 9:05 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
8h 55m1 stop Toronto Pearson Intl
Air Canada Logo
8:50 a.m. - 8:20 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
10h 30m2 stops Toronto Pearson Intl Ottawa
C$ 579Air Canada
Mon, 24 Aug - Sat, 5 Sep
WestJet Logo
12:50 p.m. - 11:25 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
11h 35m1 stop Detroit Metropolitan Wayne County
WestJet Logo
4:00 p.m. - 11:26 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
6h 26m1 stop Detroit Metropolitan Wayne County
C$ 600WestJet
Thu, 26 Nov - Thu, 3 Dec
WestJet Logo
6:45 a.m. - 2:15 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
32h 30m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County
WestJet Logo
1:46 p.m. - 11:58 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
9h 12m1 stop Atlanta Hartsfield-Jackson
C$ 605WestJet
Wed, 25 Nov - Wed, 2 Dec
WestJet Logo
6:45 a.m. - 11:25 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-SAT San Antonio
17h 40m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County
WestJet Logo
5:30 a.m. - 3:58 p.m.SAT  San Antonio-YUL Montreal Pierre Elliott Trudeau Intl
9h 28m1 stop Detroit Metropolitan Wayne County
C$ 608WestJet
Wed, 25 Nov - Wed, 2 Dec

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

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Antonio flight tickets
United Airlines
9 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 10m
1 stop
SAT3:10 p.m.San Antonio
12 Sep
SAT6:30 a.m.San Antonio
10h 00m
1 stop
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 486
United Airlines
9 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 10m
1 stop
SAT3:10 p.m.San Antonio
12 Sep
SAT6:30 a.m.San Antonio
10h 00m
1 stop
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 488
United Airlines
4 Sep
YUL2:20 p.m.Montreal Pierre Elliott Trudeau Intl
9h 19m
2 stops
SAT10:39 p.m.San Antonio
6 Sep
SAT6:30 a.m.San Antonio
12h 15m
2 stops
YUL7:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 532

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

Our best WestJet deals on Montreal Pierre Elliott Trudeau Intl Airport to San Antonio flight tickets
WestJet
26 Nov
YUL12:50 p.m.Montreal Pierre Elliott Trudeau Intl
11h 35m
1 stop
SAT11:25 p.m.San Antonio
3 Dec
SAT4:00 p.m.San Antonio
6h 26m
1 stop
YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 600
WestJet
25 Nov
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
32h 30m
2 stops
SAT2:15 p.m.San Antonio
2 Dec
SAT1:46 p.m.San Antonio
9h 12m
1 stop
YUL11:58 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 605
WestJet
25 Nov
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
17h 40m
2 stops
SAT11:25 p.m.San Antonio
2 Dec
SAT5:30 a.m.San Antonio
9h 28m
1 stop
YUL3:58 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 608

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 7 August 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

7:29 a.m.-9:38 p.m.

1 stop15h 09m

San Antonio

Sat 19/9

7:28 a.m.-4:53 p.m.

1 stop8h 25m

C$ 486

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

6:00 a.m.-3:10 p.m.

1 stop10h 10m

San Antonio

Sat 12/9

6:30 a.m.-5:30 p.m.

1 stop10h 00m

C$ 486

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

9:15 a.m.-10:51 p.m.

2 stops14h 36m

San Antonio

Sat 19/9

6:30 a.m.-5:30 p.m.

1 stop10h 00m

C$ 488

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

6:00 a.m.-3:10 p.m.

1 stop10h 10m

San Antonio

Sat 12/9

6:30 a.m.-5:30 p.m.

1 stop10h 00m

C$ 488

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 26/8

10:40 a.m.-9:05 p.m.

2 stops11h 25m

San Antonio

Sat 5/9

8:50 a.m.-8:20 p.m.

2 stops10h 30m

C$ 553

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

10:40 a.m.-9:05 p.m.

2 stops11h 25m

San Antonio

Sat 5/9

8:50 a.m.-8:20 p.m.

2 stops10h 30m

C$ 579

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

1:10 p.m.-9:05 p.m.

1 stop8h 55m

San Antonio

Sat 5/9

8:50 a.m.-8:20 p.m.

2 stops10h 30m

C$ 579
Quickest round-trip

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

12:50 p.m.-11:25 p.m.

1 stop11h 35m

San Antonio

Thu 3/12

4:00 p.m.-11:26 p.m.

1 stop6h 26m

C$ 600

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 25/11

6:45 a.m.-2:15 p.m.

2 stops32h 30m

San Antonio

Wed 2/12

1:46 p.m.-11:58 p.m.

1 stop9h 12m

C$ 605

MontrealSan Antonio

YUL Montreal Pierre Elliott Trudeau Intl - SAT San Antonio

YULSAT

Montreal Pierre Elliott Trudeau Intl

Wed 25/11

6:45 a.m.-11:25 p.m.

2 stops17h 40m

San Antonio

Wed 2/12

5:30 a.m.-3:58 p.m.

1 stop9h 28m

C$ 608

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

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 typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and San Antonio?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 568 to C$ 654.
The lowest price recently found on this route was C$ 486.

What is the cheapest month to fly to San Antonio?

The cheapest month to fly to San Antonio from Montreal Pierre Elliott Trudeau Intl Airport is in January. Flight prices, which tend to average around C$ 0, are often lower during this time because this is during the off-season. If you’re not able to fly to San Antonio in January, then October is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio during October average around C$ 555.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to San Antonio flights?

You could potentially save up to 28% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to San Antonio flight.

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

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

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

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

Fastest flight time

6h 41m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio takes 6h 41m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio.
Search flight deals

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio

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

    San Antonio is 2797.6 km away from Montreal Pierre Elliott Trudeau Intl. In terms of flight time, this usually takes a little over 6h 41m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 527Free CancellationRating
7.1
11,436 reviews
Search Air Canada flights
WestJetPriceFrom C$ 564Free CancellationRating
7.2
3,426 reviews
Search WestJet flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to San Antonio . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to San Antonio from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Yes momondo offers price alerts on flights to San Antonio from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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