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 Delta 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 43% 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 is 1 operator available for flights from Ottawa Airport to San Antonio Airport as of September 2026.

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$ 404 Cheap Flights from Ottawa to San Antonio in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

5:30 a.m. - 4:09 p.m.YOW Ottawa-SAT San Antonio

11h 39m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

7:38 a.m. - 12:44 a.m.SAT San Antonio-YOW Ottawa

16h 06m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

C$ 667WestJet

Thu, 10 Dec - Sun, 13 Dec

5:30 a.m. - 10:55 a.m.YOW Ottawa-SAT San Antonio

30h 25m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

4:36 p.m. - 12:44 a.m.SAT San Antonio-YOW Ottawa

31h 08m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

C$ 667WestJet

Thu, 10 Dec - Sun, 13 Dec

5:35 a.m. - 11:07 p.m.YOW Ottawa-SAT San Antonio

18h 32m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

6:50 a.m. - 12:44 a.m.SAT San Antonio-YOW Ottawa

16h 54m2 stops Atlanta Hartsfield-Jackson Toronto Pearson Intl

C$ 706WestJet

Mon, 26 Oct - Mon, 2 Nov

4:00 p.m. - 10:13 p.m.YOW Ottawa-SAT San Antonio

7h 13m1 stop Toronto Pearson Intl

8:50 a.m. - 5:10 p.m.SAT San Antonio-YOW Ottawa

7h 20m1 stop Toronto Pearson Intl

C$ 711Air Canada

Fri, 2 Oct - Thu, 8 Oct

6:00 a.m. - 3:13 p.m.YOW Ottawa-SAT San Antonio

10h 13m1 stop Newark

9:35 a.m. - 9:16 p.m.SAT San Antonio-YOW Ottawa

10h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 725United Airlines

Fri, 30 Oct - Tue, 3 Nov

9:45 a.m. - 9:26 p.m.YOW Ottawa-SAT San Antonio

12h 41m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

9:35 a.m. - 9:16 p.m.SAT San Antonio-YOW Ottawa

10h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 725United Airlines

Fri, 30 Oct - Tue, 3 Nov

9:45 a.m. - 11:35 p.m.YOW Ottawa-SAT San Antonio

14h 50m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

12:45 p.m. - 9:56 p.m.SAT San Antonio-YOW Ottawa

8h 11m1 stop Newark

C$ 725United Airlines

Fri, 30 Oct - Tue, 3 Nov

2:00 p.m. - 8:24 p.m.YOW Ottawa-SAT San Antonio

7h 24m1 stop Washington, D.C. Dulles Intl

6:34 a.m. - 9:16 p.m.SAT San Antonio-YOW Ottawa

13h 42m1 stop Chicago O'Hare Intl

C$ 725United Airlines

Fri, 30 Oct - Tue, 3 Nov

6:15 a.m. - 10:57 p.m.YOW Ottawa-SAT San Antonio

17h 42m1 stop Chicago O'Hare Intl

5:15 a.m. - 2:09 p.m.SAT San Antonio-YOW Ottawa

7h 54m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 727United Airlines

Thu, 10 Dec - Sun, 13 Dec

9:45 a.m. - 10:51 p.m.YOW Ottawa-SAT San Antonio

14h 06m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

11:45 a.m. - 9:56 p.m.SAT San Antonio-YOW Ottawa

9h 11m2 stops Houston George Bush Intcntl Newark

C$ 727United Airlines

Fri, 30 Oct - Tue, 3 Nov

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American Airlines flights from Ottawa to San Antonio

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

American Airlines

10 Dec

YOW7:00 a.m.Ottawa

13h 43m

2 stops

SAT7:43 p.m.San Antonio

13 Dec

SAT5:00 a.m.San Antonio

11h 58m

2 stops

YOW5:58 p.m.Ottawa

C$ 817

American Airlines

10 Dec

YOW7:00 a.m.Ottawa

12h 21m

3 stops

SAT6:21 p.m.San Antonio

13 Dec

SAT7:00 a.m.San Antonio

9h 58m

2 stops

YOW5:58 p.m.Ottawa

C$ 1,151

American Airlines

10 Dec

YOW7:00 a.m.Ottawa

12h 21m

3 stops

SAT6:21 p.m.San Antonio

13 Dec

SAT7:00 a.m.San Antonio

9h 58m

2 stops

YOW5:58 p.m.Ottawa

C$ 1,201

WestJet flights from Ottawa to San Antonio

Our best WestJet deals on Ottawa to San Antonio flight tickets

WestJet

10 Dec

YOW5:30 a.m.Ottawa

11h 39m

2 stops

SAT4:09 p.m.San Antonio

13 Dec

SAT7:38 a.m.San Antonio

16h 06m

2 stops

YOW12:44 a.m.Ottawa

C$ 667

WestJet

26 Oct

YOW5:35 a.m.Ottawa

18h 32m

2 stops

SAT11:07 p.m.San Antonio

2 Nov

SAT6:50 a.m.San Antonio

16h 54m

2 stops

YOW12:44 a.m.Ottawa

C$ 706

WestJet

13 Oct

YOW6:25 p.m.Ottawa

31h 08m

2 stops

SAT12:33 a.m.San Antonio

20 Oct

SAT5:30 a.m.San Antonio

17h 50m

2 stops

YOW12:20 a.m.Ottawa

C$ 753

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Thu 10/12

5:30 a.m.-4:09 p.m.

2 stops11h 39m

San Antonio

Sun 13/12

7:38 a.m.-12:44 a.m.

2 stops16h 06m

C$ 667

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Thu 10/12

5:30 a.m.-10:55 a.m.

2 stops30h 25m

San Antonio

Sun 13/12

4:36 p.m.-12:44 a.m.

2 stops31h 08m

C$ 667

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Mon 26/10

5:35 a.m.-11:07 p.m.

2 stops18h 32m

San Antonio

Mon 2/11

6:50 a.m.-12:44 a.m.

2 stops16h 54m

C$ 706

Quickest round-trip

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Fri 2/10

4:00 p.m.-10:13 p.m.

1 stop7h 13m

San Antonio

Thu 8/10

8:50 a.m.-5:10 p.m.

1 stop7h 20m

C$ 711

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Fri 30/10

6:00 a.m.-3:13 p.m.

1 stop10h 13m

San Antonio

Tue 3/11

9:35 a.m.-9:16 p.m.

2 stops10h 41m

C$ 725

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Fri 30/10

9:45 a.m.-9:26 p.m.

2 stops12h 41m

San Antonio

Tue 3/11

9:35 a.m.-9:16 p.m.

2 stops10h 41m

C$ 725

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Fri 30/10

9:45 a.m.-11:35 p.m.

2 stops14h 50m

San Antonio

Tue 3/11

12:45 p.m.-9:56 p.m.

1 stop8h 11m

C$ 725

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Fri 30/10

2:00 p.m.-8:24 p.m.

1 stop7h 24m

San Antonio

Tue 3/11

6:34 a.m.-9:16 p.m.

1 stop13h 42m

C$ 725

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Thu 10/12

6:15 a.m.-10:57 p.m.

1 stop17h 42m

San Antonio

Sun 13/12

5:15 a.m.-2:09 p.m.

2 stops7h 54m

C$ 727

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Fri 30/10

9:45 a.m.-10:51 p.m.

2 stops14h 06m

San Antonio

Tue 3/11

11:45 a.m.-9:56 p.m.

2 stops9h 11m

C$ 727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 typical price of a round-trip flight between Ottawa and San Antonio?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 742 to C$ 821.
The lowest price recently found on this route was C$ 667.

What is the cheapest month to fly to San Antonio?

The cheapest month to fly to San Antonio from Ottawa is in August. 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 August, then January is your next best option. Flight prices from Ottawa to San Antonio during January average around C$ 0.

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

Best price found	C$ 404
Fastest flight time	10h 13m
Direct flights	None

The best one-way flight to San Antonio from Ottawa in the past 72 hours is C$ 404. The best round-trip flight deal from Ottawa to San Antonio found on momondo in the last 72 hours is C$ 667.

The fastest flight from Ottawa to San Antonio takes 10h 13m

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

Search flight deals

Frequently asked questions about flying from Ottawa to San Antonio

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 10h 13m.
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 is 1 operator available for flights from Ottawa Airport to San Antonio Airport as of September 2026.
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 100% of the total bookings.

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$ 417	Free Cancellation	Rating 7.4 10,214 reviews		Search United Airlines 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.