What is the cheapest airline that flies from Ottawa to San Antonio?

United Airlines is the most popular carrier operating from Ottawa to San Antonio

Which airlines fly to San Antonio?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to San Antonio from Ottawa according to our data. Air Canada is the first choice among our users, with 41% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 5 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ottawa Airport to San Antonio Airport are refreshed on a daily basis.

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

There are 2 operators available for flights from Ottawa Airport to San Antonio Airport as of December 2025.

How old do you have to be to fly from Ottawa 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 Ottawa Airport to San Antonio Airport.

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

The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 194 Cheap Flights from Ottawa to San Antonio in 2025/26

1 adult

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Find the cheapest flights from Ottawa to San Antonio

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 a.m. - 11:52 p.m.

YOW

SAT

17h 52m3 stops

10:35 a.m. - 12:25 a.m.

SAT

YOW

12h 50m1 stop

C$ 387Multiple Airlines

Sun, 11 Jan - Mon, 12 Jan

7:00 a.m. - 9:40 a.m.

YOW

SAT

27h 40m1 stop

8:00 p.m. - 5:13 p.m.

SAT

YOW

20h 13m1 stop

C$ 394Multiple Airlines

Sun, 11 Jan - Mon, 12 Jan

7:00 a.m. - 11:52 p.m.

YOW

SAT

17h 52m3 stops

6:30 a.m. - 11:58 p.m.

SAT

YOW

16h 28m1 stop

C$ 413Multiple Airlines

Sat, 10 Jan - Sun, 11 Jan

6:20 a.m. - 12:24 p.m.

YOW

SAT

7h 04m1 stop

12:15 p.m. - 6:52 p.m.

SAT

YOW

5h 37m1 stop

C$ 415United Airlines

Wed, 14 Jan - Tue, 20 Jan

5:55 p.m. - 8:41 a.m.

YOW

SAT

15h 46m2 stops

2:05 p.m. - 9:18 p.m.

SAT

YOW

6h 13m1 stop

C$ 419United Airlines

Mon, 26 Jan - Fri, 30 Jan

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

YOW

SAT

16h 20m2 stops

2:05 p.m. - 11:54 p.m.

SAT

YOW

8h 49m2 stops

C$ 422United Airlines

Fri, 9 Jan - Sat, 10 Jan

7:00 a.m. - 11:52 p.m.

YOW

SAT

17h 52m3 stops

6:30 a.m. - 12:25 a.m.

SAT

YOW

16h 55m2 stops

C$ 426Multiple Airlines

Sun, 11 Jan - Mon, 12 Jan

2:15 p.m. - 10:57 p.m.

YOW

SAT

9h 42m2 stops

7:00 a.m. - 5:12 p.m.

SAT

YOW

9h 12m1 stop

C$ 430United Airlines

Fri, 9 Jan - Sat, 10 Jan

9:30 a.m. - 11:52 p.m.

YOW

SAT

15h 22m1 stop

6:30 a.m. - 11:58 p.m.

SAT

YOW

16h 28m1 stop

C$ 482Multiple Airlines

Sat, 10 Jan - Sun, 11 Jan

7:00 a.m. - 11:52 p.m.

YOW

SAT

17h 52m3 stops

6:30 a.m. - 12:42 a.m.

SAT

YOW

17h 12m3 stops

C$ 485Multiple Airlines

Sun, 11 Jan - Mon, 12 Jan

United Airlines flights from Ottawa to San Antonio

Our best United Airlines deals on Ottawa to San Antonio flight tickets

United Airlines

14 Jan

YOW6:20 a.m.Ottawa

7h 04m

1 stop

SAT12:24 p.m.San Antonio

20 Jan

SAT12:15 p.m.San Antonio

5h 37m

1 stop

YOW6:52 p.m.Ottawa

C$ 415

Find similar

United Airlines

26 Jan

YOW5:55 p.m.Ottawa

15h 46m

2 stops

SAT8:41 a.m.San Antonio

30 Jan

SAT5:59 p.m.San Antonio

18h 33m

2 stops

YOW1:32 p.m.Ottawa

C$ 419

Find similar

United Airlines

9 Jan

YOW7:27 p.m.Ottawa

16h 20m

2 stops

SAT10:47 a.m.San Antonio

10 Jan

SAT2:05 p.m.San Antonio

8h 49m

2 stops

YOW11:54 p.m.Ottawa

C$ 422

Find similar

Air Canada flights from Ottawa to San Antonio

Our best Air Canada deals on Ottawa to San Antonio flight tickets

Air Canada

9 Jan

YOW2:15 p.m.Ottawa

7h 41m

1 stop

SAT8:56 p.m.San Antonio

10 Jan

SAT7:00 a.m.San Antonio

9h 12m

1 stop

YOW5:12 p.m.Ottawa

C$ 514

Find similar

Air Canada

26 Jan

YOW7:27 p.m.Ottawa

17h 57m

2 stops

SAT12:24 p.m.San Antonio

30 Jan

SAT7:25 a.m.San Antonio

15h 29m

1 stop

YOW11:54 p.m.Ottawa

C$ 682

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 11/1

7:00 a.m.-11:52 p.m.

3 stops17h 52m

San Antonio

Mon 12/1

10:35 a.m.-12:25 a.m.

1 stop12h 50m

C$ 387

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 11/1

7:00 a.m.-9:40 a.m.

1 stop27h 40m

San Antonio

Mon 12/1

8:00 p.m.-5:13 p.m.

1 stop20h 13m

C$ 394

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 10/1

7:00 a.m.-11:52 p.m.

3 stops17h 52m

San Antonio

Sun 11/1

6:30 a.m.-11:58 p.m.

1 stop16h 28m

C$ 413

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 14/1

6:20 a.m.-12:24 p.m.

1 stop7h 04m

San Antonio

Tue 20/1

12:15 p.m.-6:52 p.m.

1 stop5h 37m

C$ 415

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 26/1

5:55 p.m.-8:41 a.m.

2 stops15h 46m

San Antonio

Fri 30/1

2:05 p.m.-9:18 p.m.

1 stop6h 13m

C$ 419

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 9/1

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

2 stops16h 20m

San Antonio

Sat 10/1

2:05 p.m.-11:54 p.m.

2 stops8h 49m

C$ 422

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 11/1

7:00 a.m.-11:52 p.m.

3 stops17h 52m

San Antonio

Mon 12/1

6:30 a.m.-12:25 a.m.

2 stops16h 55m

C$ 426

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 9/1

2:15 p.m.-10:57 p.m.

2 stops9h 42m

San Antonio

Sat 10/1

7:00 a.m.-5:12 p.m.

1 stop9h 12m

C$ 430

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 10/1

9:30 a.m.-11:52 p.m.

1 stop15h 22m

San Antonio

Sun 11/1

6:30 a.m.-11:58 p.m.

1 stop16h 28m

C$ 482

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 11/1

7:00 a.m.-11:52 p.m.

3 stops17h 52m

San Antonio

Mon 12/1

6:30 a.m.-12:42 a.m.

3 stops17h 12m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa 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

Prices

Airlines

What is the cheapest day to depart on your flight to San Antonio?

Our data shows that Tuesday is the least expensive day to fly to San Antonio. Tickets to fly out on this day can be as low as C$ 805. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Friday is C$ 1,139.

What is the cheapest time of day to depart on your flight to San Antonio?

At noon is the cheapest time of day to fly from Ottawa to San Antonio when you can find flight prices for as low as C$ 917. Flying to San Antonio at noon is an ideal time because this is during off-peak travel hours. Flights to San Antonio are more costly in the afternoon, with an average ticket price of C$ 975. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Ottawa to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to San Antonio according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to San Antonio (YOW to SAT) flight deals and tips

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

Fastest flight time	16h 20m
Direct flights	None

The fastest flight from Ottawa to San Antonio takes 16h 20m

There are no direct flights from Ottawa to San Antonio. There are no popular flight routes from Ottawa to San Antonio.

Search flight deals

How far is Ottawa to San Antonio by plane?
A flight from Ottawa to San Antonio will travel around 2666.9 km. A reasonable flight in good conditions will take 16h 20m.
When did momondo last update prices for flights from Ottawa Airport to San Antonio Airport?
Prices for flights from Ottawa Airport to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ottawa Airport to San Antonio Airport?
There are 2 operators available for flights from Ottawa Airport to San Antonio Airport as of December 2025.
How old do you have to be to fly from Ottawa 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 Ottawa Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ottawa to San Antonio?
Based on momondo bookings for flights between Ottawa and San Antonio, the leading airline is United Airlines, making up 63% of the total bookings. Other popular airlines include Air Canada with 37%.

Best airlines flying from Ottawa to San Antonio

Compare and see reviews for airlines that fly from Ottawa to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 492	Free Cancellation	Rating 7.4 9,092 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 681	Free Cancellation	Rating 7.1 10,534 reviews		Search Air Canada flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to San Antonio. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from Ottawa.

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

Yes momondo offers price alerts on flights to San Antonio from Ottawa. 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.