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Cheap flights from Ottawa to San Antonio from $179

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 5/25. 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
0 bags

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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
10:44 am - 10:53 pm
YOW
-
SAT
13h 09m
1 stop
United Airlines Logo
6:49 am - 1:59 pm
SAT
-
YOW
6h 10m
1 stop
$305United Airlines
Fri, Apr 10 - Sat, Apr 11
United Airlines Logo
7:30 pm - 11:11 am
YOW
-
SAT
16h 41m
1 stop
United Airlines Logo
12:17 pm - 6:55 pm
SAT
-
YOW
5h 38m
1 stop
$306United Airlines
Mon, Mar 9 - Wed, Mar 11
United Airlines Logo
6:25 am - 12:24 pm
YOW
-
SAT
6h 59m
1 stop
United Airlines Logo
6:49 am - 4:38 pm
SAT
-
YOW
8h 49m
2 stops
$308United Airlines
Sun, Apr 5 - Wed, Apr 8
United Airlines Logo
7:30 pm - 8:38 am
YOW
-
SAT
14h 08m
2 stops
United Airlines Logo
7:15 am - 4:30 pm
SAT
-
YOW
8h 15m
1 stop
$309United Airlines
Mon, Mar 9 - Wed, Mar 11
United Airlines Logo
7:30 pm - 11:11 am
YOW
-
SAT
16h 41m
1 stop
United Airlines Logo
5:00 am - 2:30 pm
SAT
-
YOW
8h 30m
2 stops
$362United Airlines
Mon, Mar 9 - Wed, Mar 11
United Airlines Logo
12:00 pm - 10:53 pm
YOW
-
SAT
11h 53m
2 stops
United Airlines Logo
6:49 am - 4:38 pm
SAT
-
YOW
8h 49m
2 stops
$370United Airlines
Sun, Apr 5 - Wed, Apr 8
United Airlines Logo
5:20 pm - 8:27 am
YOW
-
SAT
16h 07m
2 stops
United Airlines Logo
5:30 am - 2:26 pm
SAT
-
YOW
7h 56m
2 stops
$406United Airlines
Sat, Jun 6 - Thu, Jun 18
Multiple Airlines Logo
4:15 pm - 9:30 am
YOW
-
SAT
18h 15m
1 stop
Multiple Airlines Logo
10:26 am - 12:25 am
SAT
-
YOW
12h 59m
1 stop
$409Multiple Airlines
Mon, Mar 9 - Wed, Mar 11
Air Canada Logo
10:44 am - 10:55 pm
YOW
-
SAT
13h 11m
1 stop
Air Canada Logo
9:00 am - 12:45 am
SAT
-
YOW
14h 45m
1 stop
$438Air Canada
Sat, Jun 6 - Thu, Jun 18
United Airlines Logo
2:05 pm - 8:38 am
YOW
-
SAT
19h 33m
2 stops
United Airlines Logo
5:47 am - 4:30 pm
SAT
-
YOW
9h 43m
2 stops
$465United Airlines
Fri, Mar 20 - Fri, Mar 27

United Airlines flights from Ottawa to San Antonio

Our best United Airlines deals on Ottawa to San Antonio flight tickets
United Airlines
Apr 10
YOW10:44 amOttawa
13h 09m
1 stop
SAT10:53 pmSan Antonio
Apr 11
SAT6:49 amSan Antonio
6h 10m
1 stop
YOW1:59 pmOttawa
$305
United Airlines
Apr 5
YOW6:25 amOttawa
6h 59m
1 stop
SAT12:24 pmSan Antonio
Apr 8
SAT6:49 amSan Antonio
8h 49m
2 stops
YOW4:38 pmOttawa
$308
United Airlines
Mar 9
YOW7:30 pmOttawa
16h 41m
1 stop
SAT11:11 amSan Antonio
Mar 11
SAT5:00 amSan Antonio
8h 30m
2 stops
YOW2:30 pmOttawa
$362

Air Canada flights from Ottawa to San Antonio

Our best Air Canada deals on Ottawa to San Antonio flight tickets
Air Canada
Jun 6
YOW10:44 amOttawa
13h 11m
1 stop
SAT10:55 pmSan Antonio
Jun 18
SAT9:00 amSan Antonio
14h 45m
1 stop
YOW12:45 amOttawa
$438
Air Canada
Mar 12
YOW5:55 pmOttawa
17h 21m
1 stop
SAT10:16 amSan Antonio
Mar 20
SAT7:15 amSan Antonio
13h 41m
1 stop
YOW9:56 pmOttawa
$720

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 February 22, 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

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 4/10

10:44 am-10:53 pm

1 stop13h 09m

San Antonio

Sat 4/11

6:49 am-1:59 pm

1 stop6h 10m

$305

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 3/9

7:30 pm-11:11 am

1 stop16h 41m

San Antonio

Wed 3/11

12:17 pm-6:55 pm

1 stop5h 38m

$306

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 4/5

6:25 am-12:24 pm

1 stop6h 59m

San Antonio

Wed 4/8

6:49 am-4:38 pm

2 stops8h 49m

$308

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 3/9

7:30 pm-8:38 am

2 stops14h 08m

San Antonio

Wed 3/11

7:15 am-4:30 pm

1 stop8h 15m

$309

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 3/9

7:30 pm-11:11 am

1 stop16h 41m

San Antonio

Wed 3/11

5:00 am-2:30 pm

2 stops8h 30m

$362

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sun 4/5

12:00 pm-10:53 pm

2 stops11h 53m

San Antonio

Wed 4/8

6:49 am-4:38 pm

2 stops8h 49m

$370

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 6/6

5:20 pm-8:27 am

2 stops16h 07m

San Antonio

Thu 6/18

5:30 am-2:26 pm

2 stops7h 56m

$406

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 3/9

4:15 pm-9:30 am

1 stop18h 15m

San Antonio

Wed 3/11

10:26 am-12:25 am

1 stop12h 59m

$409

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 6/6

10:44 am-10:55 pm

1 stop13h 11m

San Antonio

Thu 6/18

9:00 am-12:45 am

1 stop14h 45m

$438

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Fri 3/20

2:05 pm-8:38 am

2 stops19h 33m

San Antonio

Fri 3/27

5:47 am-4:30 pm

2 stops9h 43m

$465

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 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

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

You could potentially save up to 46% 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

6h 35m

Direct flights

None
The fastest flight from Ottawa to San Antonio takes 6h 35m
There are no direct flights from Ottawa to San Antonio. There are no popular flight routes from Ottawa to San Antonio.
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  • How far is Ottawa to San Antonio by plane?

    There are 1657.1 mi between Ottawa and San Antonio. 6h 35m 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
Boerne
Pleasanton
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

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