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Cheap flights from San Antonio to Ontario from C$ 158

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 15/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from San Antonio to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:09 a.m. - 12:11 a.m.
SAT
-
YYZ
14h 02m1 stop
Multiple Airlines Logo
1:30 p.m. - 12:25 p.m.
YYZ
-
SAT
23h 55m2 stops
C$ 336Multiple Airlines
Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
1:15 p.m. - 9:11 p.m.
SAT
-
YYZ
30h 56m2 stops
Multiple Airlines Logo
8:30 p.m. - 9:30 a.m.
YYZ
-
SAT
14h 00m1 stop
C$ 338Multiple Airlines
Sun, 1 Feb - Fri, 6 Feb
Multiple Airlines Logo
1:15 p.m. - 6:43 a.m.
SAT
-
YYZ
16h 28m1 stop
Multiple Airlines Logo
7:40 a.m. - 9:30 a.m.
YYZ
-
SAT
26h 50m1 stop
C$ 340Multiple Airlines
Sun, 1 Feb - Fri, 6 Feb
Multiple Airlines Logo
9:09 a.m. - 12:11 a.m.
SAT
-
YYZ
14h 02m1 stop
Multiple Airlines Logo
8:00 p.m. - 12:25 p.m.
YYZ
-
SAT
17h 25m1 stop
C$ 343Multiple Airlines
Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
1:20 p.m. - 6:43 a.m.
SAT
-
YYZ
16h 23m1 stop
Multiple Airlines Logo
3:40 p.m. - 9:30 a.m.
YYZ
-
SAT
18h 50m1 stop
C$ 344Multiple Airlines
Mon, 9 Feb - Wed, 18 Feb
Multiple Airlines Logo
5:03 p.m. - 7:52 p.m.
SAT
-
YYZ
25h 49m1 stop
Multiple Airlines Logo
7:10 a.m. - 6:18 p.m.
YYZ
-
SAT
12h 08m1 stop
C$ 369Multiple Airlines
Thu, 8 Jan - Sun, 11 Jan
Multiple Airlines Logo
5:03 p.m. - 7:52 p.m.
SAT
-
YYZ
25h 49m1 stop
Multiple Airlines Logo
7:15 a.m. - 11:52 p.m.
YYZ
-
SAT
17h 37m1 stop
C$ 379Multiple Airlines
Thu, 8 Jan - Tue, 13 Jan
Multiple Airlines Logo
5:03 p.m. - 7:52 p.m.
SAT
-
YYZ
25h 49m1 stop
Multiple Airlines Logo
7:15 a.m. - 11:52 p.m.
YYZ
-
SAT
17h 37m1 stop
C$ 384Multiple Airlines
Thu, 8 Jan - Mon, 12 Jan
United Airlines Logo
5:25 a.m. - 2:27 p.m.
SAT
-
YOW
8h 02m2 stops
United Airlines Logo
5:11 p.m. - 11:13 p.m.
YOW
-
SAT
7h 02m1 stop
C$ 468United Airlines
Sat, 24 Jan - Sat, 24 Jan
United Airlines Logo
5:25 a.m. - 4:30 p.m.
SAT
-
YOW
10h 05m2 stops
United Airlines Logo
7:27 p.m. - 10:47 a.m.
YOW
-
SAT
16h 20m2 stops
C$ 481United Airlines
Sat, 24 Jan - Sat, 24 Jan

United Airlines flights from San Antonio to Region of Ontario

Our best United Airlines deals on San Antonio to Region of Ontario flight tickets
United Airlines
24 Jan
SAT5:25 a.m.San Antonio
8h 02m
2 stops
YOW2:27 p.m.Ottawa
24 Jan
YOW5:11 p.m.Ottawa
7h 02m
1 stop
SAT11:13 p.m.San Antonio
C$ 468
Find similar
United Airlines
18 Jan
SAT1:20 p.m.San Antonio
24h 07m
2 stops
YOW2:27 p.m.Ottawa
19 Jan
YOW5:55 p.m.Ottawa
15h 46m
2 stops
SAT8:41 a.m.San Antonio
C$ 481
Find similar
United Airlines
17 Jan
SAT2:05 p.m.San Antonio
8h 49m
2 stops
YOW11:54 p.m.Ottawa
19 Jan
YOW2:15 p.m.Ottawa
7h 41m
1 stop
SAT8:56 p.m.San Antonio
C$ 507
Find similar

American Airlines flights from San Antonio to Region of Ontario

Our best American Airlines deals on San Antonio to Region of Ontario flight tickets
American Airlines
2 Jan
SAT8:43 a.m.San Antonio
12h 56m
1 stop
YUL10:39 p.m.Montreal Pierre Elliott Trudeau Intl
7 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
17h 58m
1 stop
SAT11:58 p.m.San Antonio
C$ 756
Find similar
American Airlines
25 Dec
SAT3:00 p.m.San Antonio
6h 44m
1 stop
YYZ10:44 p.m.Toronto Pearson Intl
30 Dec
YYZ6:10 a.m.Toronto Pearson Intl
13h 00m
1 stop
SAT6:10 p.m.San Antonio
C$ 828
Find similar
American Airlines
25 Dec
SAT6:00 a.m.San Antonio
8h 59m
2 stops
YYZ3:59 p.m.Toronto Pearson Intl
30 Dec
YYZ6:10 a.m.Toronto Pearson Intl
14h 10m
1 stop
SAT7:20 p.m.San Antonio
C$ 842
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 18 December 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

Thu 15/1

9:09 a.m.-12:11 a.m.

1 stop14h 02m

Toronto Pearson Intl

Thu 22/1

1:30 p.m.-12:25 p.m.

2 stops23h 55m

C$ 336

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 1/2

1:15 p.m.-9:11 p.m.

2 stops30h 56m

Toronto Pearson Intl

Fri 6/2

8:30 p.m.-9:30 a.m.

1 stop14h 00m

C$ 338

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 1/2

1:15 p.m.-6:43 a.m.

1 stop16h 28m

Toronto Pearson Intl

Fri 6/2

7:40 a.m.-9:30 a.m.

1 stop26h 50m

C$ 340

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 15/1

9:09 a.m.-12:11 a.m.

1 stop14h 02m

Toronto Pearson Intl

Thu 22/1

8:00 p.m.-12:25 p.m.

1 stop17h 25m

C$ 343

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 9/2

1:20 p.m.-6:43 a.m.

1 stop16h 23m

Toronto Pearson Intl

Wed 18/2

3:40 p.m.-9:30 a.m.

1 stop18h 50m

C$ 344

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 8/1

5:03 p.m.-7:52 p.m.

1 stop25h 49m

Toronto Pearson Intl

Sun 11/1

7:10 a.m.-6:18 p.m.

1 stop12h 08m

C$ 369

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 8/1

5:03 p.m.-7:52 p.m.

1 stop25h 49m

Toronto Pearson Intl

Tue 13/1

7:15 a.m.-11:52 p.m.

1 stop17h 37m

C$ 379

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 8/1

5:03 p.m.-7:52 p.m.

1 stop25h 49m

Toronto Pearson Intl

Mon 12/1

7:15 a.m.-11:52 p.m.

1 stop17h 37m

C$ 384

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Sat 24/1

5:25 a.m.-2:27 p.m.

2 stops8h 02m

Ottawa

Sat 24/1

5:11 p.m.-11:13 p.m.

1 stop7h 02m

C$ 468

San AntonioOttawa

SAT - YOW

SATYOW

San Antonio

Sat 24/1

5:25 a.m.-4:30 p.m.

2 stops10h 05m

Ottawa

Sat 24/1

7:27 p.m.-10:47 a.m.

2 stops16h 20m

C$ 481

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, May 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$ 502. If you are unable to visit Region of Ontario during the month of May, then departing from San Antonio during the month March is also very affordable. Most momondo users find prices during this month for around C$ 561.

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$ 399. The most expensive day to fly to Region of Ontario is Wednesday, with ticket prices averaging around C$ 763.

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$ 486. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 674 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.

What is the cheapest San Antonio to Ontario flight route?

Fly from San Antonio to Toronto Pearson Intl for the best San Antonio - Ontario flight prices

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$ 659 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$ 543 on momondo.

What cabin class options are available on San Antonio to Ontario flights?

There is only 1 cabin class available to choose from on San Antonio to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Fastest flight time

5h 38m

Direct flights

Wed, Fri and Sun

Airports in Region of Ontario

123 airports
The fastest flight from San Antonio to Region of Ontario takes 5h 38m
Direct flights go from San Antonio to Region of Ontario on Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There are 123 airports in Region of Ontario. From San Antonio there are direct flights to Toronto Pearson Intl (YYZ).
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 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.

  • What is the most popular plane model from San Antonio to Region of Ontario?

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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