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Cheap flights from Ottawa to San Antonio from $277

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 8/11. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ottawa to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:05 am - 11:41 am
YOW
-
SAT
6h 36m
1 stop
United Airlines Logo
6:35 am - 5:16 pm
SAT
-
YOW
9h 41m
1 stop
$441United Airlines
Wed, Sep 30 - Sat, Oct 3
United Airlines Logo
5:20 pm - 10:50 pm
YOW
-
SAT
6h 30m
1 stop
United Airlines Logo
6:30 am - 9:35 pm
SAT
-
YOW
14h 05m
1 stop
$446United Airlines
Sat, Sep 19 - Wed, Sep 23
United Airlines Logo
5:20 pm - 10:50 pm
YOW
-
SAT
6h 30m
1 stop
United Airlines Logo
5:30 pm - 9:56 am
SAT
-
YOW
15h 26m
2 stops
$449United Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
5:20 pm - 10:50 pm
YOW
-
SAT
6h 30m
1 stop
United Airlines Logo
5:30 pm - 9:56 am
SAT
-
YOW
15h 26m
2 stops
$450United Airlines
Wed, Sep 2 - Sat, Sep 5
Air Canada Logo
2:00 pm - 9:13 pm
YOW
-
SAT
8h 13m
1 stop
Air Canada Logo
8:50 am - 5:10 pm
SAT
-
YOW
7h 20m
1 stop
$460Air Canada
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
6:00 am - 4:31 pm
YOW
-
SAT
11h 31m
3 stops
United Airlines Logo
11:47 am - 11:54 pm
SAT
-
YOW
11h 07m
2 stops
$487United Airlines
Wed, Sep 30 - Sun, Oct 4
United Airlines Logo
2:52 pm - 10:50 pm
YOW
-
SAT
8h 58m
2 stops
United Airlines Logo
6:30 am - 5:16 pm
SAT
-
YOW
9h 46m
1 stop
$496United Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
6:05 am - 7:58 pm
YOW
-
SAT
14h 53m
2 stops
United Airlines Logo
5:30 pm - 9:11 am
SAT
-
YOW
14h 41m
2 stops
$502United Airlines
Wed, Sep 2 - Sat, Sep 5
Air Canada Logo
2:00 pm - 9:13 pm
YOW
-
SAT
8h 13m
1 stop
Air Canada Logo
8:50 am - 5:10 pm
SAT
-
YOW
7h 20m
1 stop
$513Air Canada
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
6:25 am - 3:39 pm
YOW
-
SAT
10h 14m
2 stops
United Airlines Logo
12:00 pm - 11:54 pm
SAT
-
YOW
10h 54m
2 stops
$577United Airlines
Thu, Aug 6 - Thu, Aug 13

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Air Canada flights from Ottawa to San Antonio

Our best Air Canada deals on Ottawa to San Antonio flight tickets
Air Canada
Sep 2
YOW2:00 pmOttawa
8h 13m
1 stop
SAT9:13 pmSan Antonio
Sep 5
SAT8:50 amSan Antonio
7h 20m
1 stop
YOW5:10 pmOttawa
$460
Air Canada
Sep 2
YOW2:00 pmOttawa
8h 13m
1 stop
SAT9:13 pmSan Antonio
Sep 5
SAT8:50 amSan Antonio
7h 20m
1 stop
YOW5:10 pmOttawa
$513

United Airlines flights from Ottawa to San Antonio

Our best United Airlines deals on Ottawa to San Antonio flight tickets
United Airlines
Sep 30
YOW6:05 amOttawa
6h 36m
1 stop
SAT11:41 amSan Antonio
Oct 3
SAT6:35 amSan Antonio
9h 41m
1 stop
YOW5:16 pmOttawa
$441
United Airlines
Sep 19
YOW5:20 pmOttawa
6h 30m
1 stop
SAT10:50 pmSan Antonio
Sep 23
SAT6:30 amSan Antonio
14h 05m
1 stop
YOW9:35 pmOttawa
$446
United Airlines
Sep 2
YOW5:20 pmOttawa
6h 30m
1 stop
SAT10:50 pmSan Antonio
Sep 5
SAT5:30 pmSan Antonio
15h 26m
2 stops
YOW9:56 amOttawa
$449

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 832,500 searches. Data last updated June 25, 2026.
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

Cheapest round-trip

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/30

6:05 am-11:41 am

1 stop6h 36m

San Antonio

Sat 10/3

6:35 am-5:16 pm

1 stop9h 41m

$441

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 9/19

5:20 pm-10:50 pm

1 stop6h 30m

San Antonio

Wed 9/23

6:30 am-9:35 pm

1 stop14h 05m

$446

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

5:20 pm-10:50 pm

1 stop6h 30m

San Antonio

Sat 9/5

5:30 pm-9:56 am

2 stops15h 26m

$449

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

5:20 pm-10:50 pm

1 stop6h 30m

San Antonio

Sat 9/5

5:30 pm-9:56 am

2 stops15h 26m

$450
Quickest round-trip

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

2:00 pm-9:13 pm

1 stop8h 13m

San Antonio

Sat 9/5

8:50 am-5:10 pm

1 stop7h 20m

$460

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/30

6:00 am-4:31 pm

3 stops11h 31m

San Antonio

Sun 10/4

11:47 am-11:54 pm

2 stops11h 07m

$487

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

2:52 pm-10:50 pm

2 stops8h 58m

San Antonio

Sat 9/5

6:30 am-5:16 pm

1 stop9h 46m

$496

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

6:05 am-7:58 pm

2 stops14h 53m

San Antonio

Sat 9/5

5:30 pm-9:11 am

2 stops14h 41m

$502

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

2:00 pm-9:13 pm

1 stop8h 13m

San Antonio

Sat 9/5

8:50 am-5:10 pm

1 stop7h 20m

$513

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 8/6

6:25 am-3:39 pm

2 stops10h 14m

San Antonio

Thu 8/13

12:00 pm-11:54 pm

2 stops10h 54m

$577

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 typical price of a round-trip flight between Ottawa and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Ottawa during January instead. Flights to San Antonio in January, while not as cheap as those in August, still average around $0.

Can stopping save me money on Ottawa to San Antonio flights?

You could potentially save up to 23% on your flight if you consider stops on a Ottawa to San Antonio flight.

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

7h 04m

Direct flights

None
The fastest flight from Ottawa to San Antonio takes 7h 04m
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?

    There are 1657.1 mi between Ottawa and San Antonio. 7h 04m is a normal flight duration for this route.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Pleasanton
Boerne
Schertz

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to San Antonio for you.

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

Flights from Ottawa to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Ottawa to San Antonio flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Ottawa and alert you when they change.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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