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Cheap flights from San Antonio to Ontario from C$ 144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Ontario departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Antonio to Ontario

Cheap round-trip flights

Multiple Airlines Logo
7:00 a.m. - 10:52 p.m.SAT-YYZ
14h 52m2 stops
Multiple Airlines Logo
9:45 a.m. - 11:40 p.m.YYZ-SAT
14h 55m1 stop
C$ 362Multiple Airlines
Find Deal
mar., 21 oct. - mié., 22 oct.
Multiple Airlines Logo
6:15 p.m. - 10:52 p.m.SAT-YYZ
27h 37m2 stops
Multiple Airlines Logo
8:05 p.m. - 1:19 p.m.YYZ-SAT
18h 14m1 stop
C$ 366Multiple Airlines
Find Deal
lun., 20 oct. - vie., 24 oct.
Multiple Airlines Logo
7:35 p.m. - 2:05 p.m.SAT-YYZ
17h 30m1 stop
Multiple Airlines Logo
9:45 a.m. - 11:40 p.m.YYZ-SAT
14h 55m1 stop
C$ 374Multiple Airlines
Find Deal
lun., 20 oct. - mié., 22 oct.
United Airlines Logo
5:30 a.m. - 2:50 p.m.SAT-YUL
8h 20m1 stop
United Airlines Logo
4:30 p.m. - 10:35 p.m.YUL-SAT
7h 05m1 stop
C$ 593United Airlines
Find Deal
mar., 14 oct. - mar., 21 oct.
United Airlines Logo
7:38 p.m. - 1:09 p.m.SAT-YUL
16h 31m2 stops
United Airlines Logo
6:00 a.m. - 11:37 a.m.YUL-SAT
6h 37m1 stop
C$ 630United Airlines
Find Deal
mar., 14 oct. - mar., 21 oct.
American Airlines Logo
2:26 p.m. - 10:44 p.m.SAT-YUL
7h 18m1 stop
American Airlines Logo
3:44 p.m. - 9:26 p.m.YUL-SAT
6h 42m1 stop
C$ 677American Airlines
Find Deal
lun., 6 oct. - vie., 10 oct.
WestJet Logo
5:15 a.m. - 11:59 a.m.SAT-YUL
5h 44m1 stop
WestJet Logo
12:50 p.m. - 6:40 p.m.YUL-SAT
6h 50m1 stop
C$ 718WestJet
Find Deal
sáb., 22 nov. - vie., 28 nov.
WestJet Logo
4:25 p.m. - 11:54 p.m.SAT-YUL
6h 29m1 stop
WestJet Logo
3:00 p.m. - 9:41 p.m.YUL-SAT
7h 41m1 stop
C$ 747WestJet
Find Deal
jue., 15 ene. - vie., 16 ene.
Delta Logo
4:51 p.m. - 11:59 p.m.SAT-YUL
6h 08m1 stop
Delta Logo
7:10 a.m. - 5:20 p.m.YUL-SAT
11h 10m1 stop
C$ 781Delta
Find Deal
lun., 24 nov. - sáb., 29 nov.
American Airlines Logo
4:02 p.m. - 2:49 p.m.SAT-YUL
21h 47m1 stop
American Airlines Logo
3:44 p.m. - 8:21 a.m.YUL-SAT
17h 37m1 stop
C$ 814American Airlines
Find Deal
sáb., 27 sep. - sáb., 11 oct.

Air Canada flights from San Antonio to Region of Ontario

Our best Air Canada deals on San Antonio to Region of Ontario flight tickets
Air Canada
15 Jan
SAT7:05 a.m.San Antonio
11h 09m
2 stops
YUL7:14 p.m.Montreal Pierre Elliott Trudeau Intl
15 Jan
YUL10:00 p.m.Montreal Pierre Elliott Trudeau Intl
18h 31m
2 stops
SAT3:31 p.m.San Antonio
C$ 852
Find similar
Air Canada
25 Sep
SAT11:55 a.m.San Antonio
6h 10m
1 stop
YYZ7:05 p.m.Toronto Pearson Intl
29 Sep
YYZ12:00 p.m.Toronto Pearson Intl
11h 35m
2 stops
SAT10:35 p.m.San Antonio
C$ 997
Find similar
Air Canada
25 Oct
SAT11:55 a.m.San Antonio
5h 57m
1 stop
YOW6:52 p.m.Ottawa
1 Nov
YOW6:20 a.m.Ottawa
6h 48m
1 stop
SAT12:08 p.m.San Antonio
C$ 1,259
Find similar

Alaska Airlines flights from San Antonio to Region of Ontario

Our best Alaska Airlines deals on San Antonio to Region of Ontario flight tickets
Alaska Airlines
28 Sep
SAT7:57 p.m.San Antonio
15h 35m
2 stops
YYZ12:32 p.m.Toronto Pearson Intl
1 Oct
YYZ4:45 p.m.Toronto Pearson Intl
30h 22m
2 stops
SAT10:07 p.m.San Antonio
C$ 1,602
Find similar
Alaska Airlines
25 Sep
SAT6:27 a.m.San Antonio
29h 05m
2 stops
YYZ12:32 p.m.Toronto Pearson Intl
15 Oct
YYZ6:49 a.m.Toronto Pearson Intl
18h 15m
2 stops
SAT12:04 a.m.San Antonio
C$ 1,713
Find similar
Alaska Airlines
25 Sep
SAT3:04 p.m.San Antonio
22h 56m
2 stops
YYZ3:00 p.m.Toronto Pearson Intl
15 Oct
YYZ6:49 a.m.Toronto Pearson Intl
18h 15m
2 stops
SAT12:04 a.m.San Antonio
C$ 1,741
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Region of Ontario 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 16 septiembre 2025.
Use the filters below to find and compare flights from San Antonio to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

mar. 21/10

7:00 a.m.-10:52 p.m.

2 stops14h 52m

Toronto Pearson Intl

mié. 22/10

9:45 a.m.-11:40 p.m.

1 stop14h 55m

C$ 362

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

lun. 20/10

6:15 p.m.-10:52 p.m.

2 stops27h 37m

Toronto Pearson Intl

vie. 24/10

8:05 p.m.-1:19 p.m.

1 stop18h 14m

C$ 366

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

lun. 20/10

7:35 p.m.-2:05 p.m.

1 stop17h 30m

Toronto Pearson Intl

mié. 22/10

9:45 a.m.-11:40 p.m.

1 stop14h 55m

C$ 374

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

mar. 14/10

5:30 a.m.-2:50 p.m.

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

mar. 21/10

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

1 stop7h 05m

C$ 593

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

mar. 14/10

7:38 p.m.-1:09 p.m.

2 stops16h 31m

Montreal Pierre Elliott Trudeau Intl

mar. 21/10

6:00 a.m.-11:37 a.m.

1 stop6h 37m

C$ 630

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

lun. 6/10

2:26 p.m.-10:44 p.m.

1 stop7h 18m

Montreal Pierre Elliott Trudeau Intl

vie. 10/10

3:44 p.m.-9:26 p.m.

1 stop6h 42m

C$ 677

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

sáb. 22/11

5:15 a.m.-11:59 a.m.

1 stop5h 44m

Montreal Pierre Elliott Trudeau Intl

vie. 28/11

12:50 p.m.-6:40 p.m.

1 stop6h 50m

C$ 718

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

jue. 15/1

4:25 p.m.-11:54 p.m.

1 stop6h 29m

Montreal Pierre Elliott Trudeau Intl

vie. 16/1

3:00 p.m.-9:41 p.m.

1 stop7h 41m

C$ 747

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

lun. 24/11

4:51 p.m.-11:59 p.m.

1 stop6h 08m

Montreal Pierre Elliott Trudeau Intl

sáb. 29/11

7:10 a.m.-5:20 p.m.

1 stop11h 10m

C$ 781

San AntonioMontreal

SAT - YUL

SATYUL

San Antonio

sáb. 27/9

4:02 p.m.-2:49 p.m.

1 stop21h 47m

Montreal Pierre Elliott Trudeau Intl

sáb. 11/10

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

1 stop17h 37m

C$ 814

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

How to get the cheapest flight ticket from San Antonio to Region of Ontario

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 Region of Ontario?

In general, January is the cheapest month to fly from San Antonio to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 488. If you are unable to visit Region of Ontario during the month of January, then departing from San Antonio during the month May is also very affordable. Most momondo users find prices during this month for around C$ 503.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from San Antonio to Region of Ontario is on a Tuesday. Travellers who choose to depart for Region of Ontario on a Tuesday will often find tickets for as low as C$ 400. The most expensive day to fly to Region of Ontario is Wednesday, with ticket prices averaging around C$ 765.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is at noon. Flights from San Antonio to Region of Ontario during this time can be as low as C$ 487. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 676 on average. Flights to Region of Ontario from San Antonio in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 627 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from San Antonio for as low as C$ 419 on momondo.

Cheap San Antonio to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Region of Ontario

Direct flights

None
There are no direct flights from San Antonio to Region of Ontario. There are no popular flight routes from San Antonio to Region of Ontario.
Search flight deals

  • When did momondo last update prices for flights from San Antonio Airport to Ontario?

    Prices for flights from San Antonio Airport to Ontario refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Ontario?

  • How old do you have to be to fly from San Antonio Airport to Ontario?

    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 San Antonio Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents required for your trip to Ontario 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 Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Antonio to Region of Ontario

Compare and see reviews for airlines that fly from San Antonio to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 553Free CancellationRating
7.2
3,093 reviews
Search WestJet flights

Why use momondo?

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

Finding the right flight to Ontario from San Antonio is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Ontario from San Antonio which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Ontario 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 Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Antonio to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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