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Cheap flights from Ottawa to San Antonio from $505

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to San Antonio departing on 9/2. 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.
Delta Logo
12:25 pm - 9:29 pm
YOW
-
SAT
10h 04m
2 stops
Delta Logo
11:06 am - 12:20 am
SAT
-
YOW
12h 14m
2 stops
$505Delta
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
6:25 am - 3:43 pm
YOW
-
SAT
10h 18m
2 stops
United Airlines Logo
5:59 pm - 9:56 am
SAT
-
YOW
14h 57m
2 stops
$514United Airlines
Tue, Aug 18 - Thu, Aug 20
United Airlines Logo
6:25 am - 4:31 pm
YOW
-
SAT
11h 06m
1 stop
United Airlines Logo
6:00 am - 4:38 pm
SAT
-
YOW
9h 38m
1 stop
$515United Airlines
Thu, Aug 13 - Mon, Aug 17
United Airlines Logo
6:25 am - 4:31 pm
YOW
-
SAT
11h 06m
1 stop
United Airlines Logo
6:00 am - 4:38 pm
SAT
-
YOW
9h 38m
1 stop
$520United Airlines
Thu, Aug 13 - Mon, Aug 17
United Airlines Logo
10:00 am - 10:50 pm
YOW
-
SAT
13h 50m
2 stops
United Airlines Logo
12:55 pm - 11:54 pm
SAT
-
YOW
9h 59m
2 stops
$541United Airlines
Mon, Aug 17 - Mon, Aug 24
United Airlines Logo
6:00 am - 10:50 pm
YOW
-
SAT
17h 50m
3 stops
United Airlines Logo
5:30 am - 2:11 pm
SAT
-
YOW
7h 41m
2 stops
$574United Airlines
Tue, Aug 18 - Thu, Aug 20
Air Canada Logo
6:25 am - 12:29 pm
YOW
-
SAT
7h 04m
1 stop
Air Canada Logo
6:27 am - 10:05 pm
SAT
-
YOW
14h 38m
1 stop
$719Air Canada
Sat, Aug 1 - Sun, Aug 9
WestJet Logo
12:25 pm - 5:11 pm
YOW
-
SAT
29h 46m
2 stops
WestJet Logo
5:20 am - 12:20 am
SAT
-
YOW
18h 00m
2 stops
$838WestJet
Sat, Aug 1 - Sun, Aug 9
American Airlines Logo
8:40 am - 8:57 pm
YOW
-
SAT
13h 17m
3 stops
American Airlines Logo
6:08 am - 8:00 pm
SAT
-
YOW
12h 52m
2 stops
$877American Airlines
Wed, Sep 2 - Wed, Sep 9
American Airlines Logo
7:00 am - 11:58 pm
YOW
-
SAT
17h 58m
2 stops
American Airlines Logo
5:43 pm - 2:55 pm
SAT
-
YOW
20h 12m
3 stops
$913American Airlines
Sat, Oct 10 - Sat, Oct 17

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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
Sep 2
YOW8:40 amOttawa
13h 17m
3 stops
SAT8:57 pmSan Antonio
Sep 9
SAT6:08 amSan Antonio
12h 52m
2 stops
YOW8:00 pmOttawa
$877
American Airlines
Oct 10
YOW7:00 amOttawa
17h 58m
2 stops
SAT11:58 pmSan Antonio
Oct 17
SAT5:43 pmSan Antonio
20h 12m
3 stops
YOW2:55 pmOttawa
$913
American Airlines
Aug 18
YOW7:00 amOttawa
12h 39m
3 stops
SAT6:39 pmSan Antonio
Aug 19
SAT7:00 amSan Antonio
13h 00m
2 stops
YOW9:00 pmOttawa
$919

United Airlines flights from Ottawa to San Antonio

Our best United Airlines deals on Ottawa to San Antonio flight tickets
United Airlines
Aug 18
YOW6:25 amOttawa
10h 18m
2 stops
SAT3:43 pmSan Antonio
Aug 20
SAT5:59 pmSan Antonio
14h 57m
2 stops
YOW9:56 amOttawa
$514
United Airlines
Aug 13
YOW6:25 amOttawa
11h 06m
1 stop
SAT4:31 pmSan Antonio
Aug 17
SAT6:00 amSan Antonio
9h 38m
1 stop
YOW4:38 pmOttawa
$515
United Airlines
Aug 13
YOW6:25 amOttawa
11h 06m
1 stop
SAT4:31 pmSan Antonio
Aug 17
SAT6:00 amSan Antonio
9h 38m
1 stop
YOW4:38 pmOttawa
$520

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 July 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

Cheapest round-trip

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

12:25 pm-9:29 pm

2 stops10h 04m

San Antonio

Wed 9/9

11:06 am-12:20 am

2 stops12h 14m

$505

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Tue 8/18

6:25 am-3:43 pm

2 stops10h 18m

San Antonio

Thu 8/20

5:59 pm-9:56 am

2 stops14h 57m

$514
Quickest round-trip

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 8/13

6:25 am-4:31 pm

1 stop11h 06m

San Antonio

Mon 8/17

6:00 am-4:38 pm

1 stop9h 38m

$515

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Thu 8/13

6:25 am-4:31 pm

1 stop11h 06m

San Antonio

Mon 8/17

6:00 am-4:38 pm

1 stop9h 38m

$520

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Mon 8/17

10:00 am-10:50 pm

2 stops13h 50m

San Antonio

Mon 8/24

12:55 pm-11:54 pm

2 stops9h 59m

$541

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Tue 8/18

6:00 am-10:50 pm

3 stops17h 50m

San Antonio

Thu 8/20

5:30 am-2:11 pm

2 stops7h 41m

$574

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 8/1

6:25 am-12:29 pm

1 stop7h 04m

San Antonio

Sun 8/9

6:27 am-10:05 pm

1 stop14h 38m

$719

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 8/1

12:25 pm-5:11 pm

2 stops29h 46m

San Antonio

Sun 8/9

5:20 am-12:20 am

2 stops18h 00m

$838

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Wed 9/2

8:40 am-8:57 pm

3 stops13h 17m

San Antonio

Wed 9/9

6:08 am-8:00 pm

2 stops12h 52m

$877

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 10/10

7:00 am-11:58 pm

2 stops17h 58m

San Antonio

Sat 10/17

5:43 pm-2:55 pm

3 stops20h 12m

$913

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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 25m

Direct flights

None
The fastest flight from Ottawa to San Antonio takes 7h 25m
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 25m 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

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