How long is the flight from Ottawa to San Antonio?

For as low as C$ 902, American Airlines can have you in San Antonio from Ottawa in 7h 05m. The distance between Ottawa and San Antonio is about 2652 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What is the cheapest airline to fly from Ottawa to San Antonio round-trip?

United Airlines, at C$ 418, was found to be the cheapest airline from Ottawa to San Antonio.. You may be able to fly from Ottawa to San Antonio for 42% less than the average price by searching for this airline.

In terms of precipitation, rainfall in San Antonio ranges from 41.0 - 95.0 mm per month. May is typically the wettest month, when rainfall can reach 95.0 mm. December is typically the driest time to visit San Antonio when rainfall is around 41.0 mm.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from YOW to SAT?

When flying from Ottawa to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Ottawa to San Antonio that include hotel bookings?

Yes. In addition to deals on Ottawa to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ottawa to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to San Antonio.

Can I find deals for business class flights from Ottawa to San Antonio?

Yes. Cheapflights offers flight deals from Ottawa to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 396+ Cheap Flights from Ottawa to San Antonio

Cheap flight deals from Ottawa to San Antonio

Enter your travel dates to find the best prices.

Cheapest

Best

One-way

Cheapest flights from Ottawa to San Antonio
Explore the most affordable flight options available from Ottawa to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Thu 10/1210:15 a.m. -

2 stops10h 07m

Sun 13/125:00 a.m. -

2 stops11h 56m

Deal found 29/10C$ 752

Tue 8/126:15 a.m. -

1 stop7h 05m

Thu 10/125:15 a.m. -

2 stops15h 01m

Deal found 27/10C$ 902

Fri 25/126:00 a.m. -

3 stops18h 11m

Sat 2/16:45 a.m. -

2 stops14h 11m

Deal found 26/10C$ 1,020

Fri 25/129:45 a.m. -

1 stop12h 12m

Sat 2/17:10 a.m. -

1 stop11h 17m

Deal found 26/10C$ 1,143

Sat 26/127:00 a.m. -

2 stops11h 08m

Sat 2/16:00 a.m. -

3 stops11h 04m

Deal found 26/10C$ 2,260

Find flight deals from Ottawa to San Antonio

Round-trip from	C$ 752
One-way from	C$ 396
Popular in	March
Cheapest in	November
Average price	C$ 804

American Airlines
10/12-13/12
4 total stops
22h 03m total
Ottawa to San Antonio

Search Deals

13/12-31/12
1 total stop
28h 40m total
Ottawa to San Antonio

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 133 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (C$ 71 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Sun 13/12

8:00 a.m.-11:40 a.m.

1 stop28h 40m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 396

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Thu 10/12

10:15 a.m.-7:22 p.m.

2 stops10h 07m

San Antonio

Sun 13/12

5:00 a.m.-5:56 p.m.

2 stops11h 56m

C$ 752

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Tue 8/12

6:15 a.m.-12:20 p.m.

1 stop7h 05m

San Antonio

Thu 10/12

5:15 a.m.-9:16 p.m.

2 stops15h 01m

C$ 902

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Thu 10/12

6:00 a.m.-3:06 p.m.

1 stop10h 06m

San Antonio

Sun 13/12

5:15 a.m.-3:07 p.m.

2 stops8h 52m

C$ 902

Quickest round-trip

OttawaSan Antonio

YOW Ottawa - SAT San Antonio

YOWSAT

Ottawa

Fri 22/1

6:15 a.m.-3:30 p.m.

2 stops10h 15m

San Antonio

Sun 24/1

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

2 stops7h 54m

C$ 903

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Sorted by cheapest first

Best time to book a flight from Ottawa to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Ottawa with our price prediction graph.

YOW-SAT

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with United Airlines from Ottawa to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.3

Good

10,451 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.3

Good

10,451 reviews

United Airlines

7.3

Good

10,451 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

How long is the flight from Ottawa to San Antonio?
For as low as C$ 902, American Airlines can have you in San Antonio from Ottawa in 7h 05m. The distance between Ottawa and San Antonio is about 2652 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What is the cheapest airline to fly from Ottawa to San Antonio round-trip?
United Airlines, at C$ 418, was found to be the cheapest airline from Ottawa to San Antonio.. You may be able to fly from Ottawa to San Antonio for 42% less than the average price by searching for this airline.
Can I find deals for flights from Ottawa to San Antonio that include hotel bookings?
Yes. In addition to deals on Ottawa to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to San Antonio.
Can I find deals for business class flights from Ottawa to San Antonio?
Yes. Cheapflights offers flight deals from Ottawa to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

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Top airline flying from Ottawa to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 418	AverageC$ 543	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from Ottawa to San Antonio?

When you search for this flight from Ottawa to San Antonio, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to San Antonio?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to San Antonio for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to San Antonio with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to San Antonio flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ottawa to San Antonio become cheaper?

Yes, Cheapflights offers price alerts on Ottawa to San Antonio flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Ottawa to San Antonio from C$ 396

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ottawa to San Antonio

Cheapest flights from Ottawa to San AntonioExplore the most affordable flight options available from Ottawa to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Ottawa to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Ottawa to San AntonioDiscover carefully curated flight deals from Ottawa to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Ottawa to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

One-way flights from Ottawa to San AntonioSearch for one-way flight options from Ottawa to San Antonio. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Ottawa to San Antonio. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

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Use the filters below to find and compare flights from Ottawa to San Antonio that are best for you.

Best time to book a flight from Ottawa to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Ottawa with our price prediction graph.

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with United Airlines from Ottawa to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Ottawa to San Antonio?

What is the cheapest airline to fly from Ottawa to San Antonio round-trip?

Can I find deals for flights from Ottawa to San Antonio that include hotel bookings?

How can I find direct flights from Ottawa to San Antonio?

Can I find deals for business class flights from Ottawa to San Antonio?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Texas

Book a non-stop flight to one of these other cities located in Texas.

Search flights from Ottawa to San Antonio by cabin class

Find flights from Ottawa to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ottawa and San Antonio flights

Browse other Ottawa and San Antonio flight options. Last updated on 30 October 2026.

Other flights from Ottawa

Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

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Other flights to San Antonio

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Top airline flying from Ottawa to San Antonio

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How does Cheapflights help users find flights from Ottawa to San Antonio?

Why should you use Cheapflights to find cheap flight tickets from Ottawa to San Antonio?

Can Cheapflights find flights from Ottawa to San Antonio with no change fees?

Can Cheapflights notify me if prices for flights from Ottawa to San Antonio become cheaper?

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Cheapest flights from Ottawa to San Antonio
Explore the most affordable flight options available from Ottawa to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Ottawa to San Antonio
Discover carefully curated flight deals from Ottawa to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

One-way flights from Ottawa to San Antonio
Search for one-way flight options from Ottawa to San Antonio. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.