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Cheap flights from Ottawa to San Antonio from C$ 350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to San Antonio departing on 15/9. 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 Ottawa to San Antonio

Cheap round-trip flights

Logo
5:15 p.m. - 7:23 p.m.YOW-SAT
27h 08m3 stops
Logo
4:50 p.m. - 2:56 p.m.SAT-YOW
21h 06m2 stops
C$ 725
Find Deal
Thu, 21 Aug - Sun, 24 Aug
Logo
5:15 p.m. - 7:23 p.m.YOW-SAT
27h 08m3 stops
Logo
4:50 p.m. - 7:38 p.m.SAT-YOW
25h 48m3 stops
C$ 731
Find Deal
Thu, 21 Aug - Sun, 24 Aug
Logo
4:25 p.m. - 4:48 p.m.YOW-SAT
25h 23m2 stops
Logo
4:50 p.m. - 2:56 p.m.SAT-YOW
21h 06m2 stops
C$ 752
Find Deal
Thu, 21 Aug - Sun, 24 Aug
Logo
7:00 a.m. - 4:48 p.m.YOW-SAT
10h 48m2 stops
Logo
5:53 p.m. - 5:20 p.m.SAT-YOW
22h 27m1 stop
C$ 754
Find Deal
Thu, 21 Aug - Sun, 24 Aug
United Airlines Logo
6:33 a.m. - 4:26 p.m.YOW-SAT
10h 53m1 stop
United Airlines Logo
6:48 a.m. - 5:06 p.m.SAT-YOW
9h 18m1 stop
C$ 979United Airlines
Find Deal
Thu, 21 Aug - Sun, 24 Aug

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa 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 2 August 2025.
Use the filters below to find and compare flights from Ottawa to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 21/8

5:15 p.m.-7:23 p.m.

3 stops27h 08m

San Antonio

Sun 24/8

4:50 p.m.-2:56 p.m.

2 stops21h 06m

C$ 725

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 21/8

5:15 p.m.-7:23 p.m.

3 stops27h 08m

San Antonio

Sun 24/8

4:50 p.m.-7:38 p.m.

3 stops25h 48m

C$ 731

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 21/8

4:25 p.m.-4:48 p.m.

2 stops25h 23m

San Antonio

Sun 24/8

4:50 p.m.-2:56 p.m.

2 stops21h 06m

C$ 752

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 21/8

7:00 a.m.-4:48 p.m.

2 stops10h 48m

San Antonio

Sun 24/8

5:53 p.m.-5:20 p.m.

1 stop22h 27m

C$ 754

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 21/8

6:33 a.m.-4:26 p.m.

1 stop10h 53m

San Antonio

Sun 24/8

6:48 a.m.-5:06 p.m.

1 stop9h 18m

C$ 979

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 15/9

7:00 a.m.-6:12 p.m.

2 stops12h 12m

C$ 350

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 15/9

6:33 a.m.-12:01 p.m.

1 stop6h 28m

C$ 473

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 6/10

6:33 a.m.-11:58 a.m.

1 stop6h 25m

C$ 488

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 6/10

6:33 a.m.-11:58 a.m.

1 stop6h 25m

C$ 489

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 15/9

3:25 p.m.-8:52 p.m.

3 stops30h 27m

C$ 502

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to San Antonio from

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

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$ 808. 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$ 1,143.

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$ 921. 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$ 979. 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

Best price found

C$ 350

Fastest flight time

6h 25m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Ottawa in the past 72 hours is C$ 350. The best round-trip flight deal from Ottawa to San Antonio found on momondo in the last 72 hours is C$ 725.
The fastest flight from Ottawa to San Antonio takes 6h 25m
There are no direct flights from Ottawa to San Antonio. Popular non-direct route for this connection is Ottawa Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)
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  • 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 48m.

  • 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?

  • 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?

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
Air CanadaPriceFrom C$ 697Free CancellationRating
7.1
9,855 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 755Free CancellationRating
7.4
8,904 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.

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