HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$303+ Cheap flights from Ottawa (YOW) to San Antonio (SAT)

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAT
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ottawa to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ottawa to San Antonio

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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 1/245:11 pmYOW - SAT
2 stops16h 30mUnited Airlines
sáb. 1/317:00 amSAT - YOW
1 stop9h 12mUnited Airlines
Deal found 12/10$303
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 1/249:30 amYOW - SAT
1 stop15h 22mMultiple Airlines
sáb. 1/3110:35 amSAT - YOW
1 stop12h 50mMultiple Airlines
Deal found 12/10$352
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/262:15 pmYOW - SAT
2 stops23h 09mUnited Airlines
vie. 1/307:25 amSAT - YOW
1 stop15h 29mUnited Airlines
Deal found 12/9$303

Find flight deals from Ottawa to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$303
(United Airlines)

Popular in

May

Cheapest in

December

Average price

$357
Provider with most accurate pricing for Ottawa-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-San Antonio flights.
Search Deals
From Ottawa to San Antonio
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Ottawa to San Antonio that are best for you.

Fly from

Ottawa

Fly to

San Antonio

Route

Depart

Return

Price

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

sáb. 1/24

5:11 pm-8:41 am

2 stops16h 30m

San Antonio

sáb. 1/31

7:00 am-5:12 pm

1 stop9h 12m

$303

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

lun. 1/26

2:15 pm-12:24 pm

2 stops23h 09m

San Antonio

vie. 1/30

7:25 am-11:54 pm

1 stop15h 29m

$303

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

sáb. 1/24

9:30 am-11:52 pm

1 stop15h 22m

San Antonio

sáb. 1/31

10:35 am-12:25 am

1 stop12h 50m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Ottawa to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to San Antonio in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ottawa-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ottawa-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ottawa-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to San Antonio

What is the cheapest month to book a flight from Ottawa to San Antonio?

Currently, October is the cheapest month in which you can book a flight from Ottawa to San Antonio (average of $175). Flying from Ottawa to San Antonio in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ottawa to San Antonio?

Related info for your journey

Find useful and relevant information for your journey from Ottawa to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to San Antonio?

    Departing from Ottawa to San Antonio will take you 16h 30m. The distance between Ottawa and San Antonio is about 1648 mi.

  • 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.

  • What is the cheapest month to book a flight from Ottawa to San Antonio?

    Currently, October is the cheapest month in which you can book a flight from Ottawa to San Antonio (average of $175). Flying from Ottawa to San Antonio in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

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

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.
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Toronto Island to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Pearson Intl to Love Field flights
Toronto Island to Hobby flights
Ottawa to Dallas/Fort Worth flights
London to Dallas/Fort Worth flights
Pearson Intl to San Antonio flights
Pierre Elliott Trudeau Intl to Austin flights
Ottawa to George Bush Intcntl flights
Hamilton to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Love Field flights
Ottawa to Hobby flights
Pierre Elliott Trudeau Intl to San Antonio flights
Hamilton to Love Field flights
Ottawa to Love Field flights
Hamilton to Austin flights
Pearson Intl to El Paso flights
Ottawa to Austin flights
Pearson Intl to Harlingen flights
Pierre Elliott Trudeau Intl to El Paso flights
Pearson Intl to Brownsville flights
Hamilton to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Midland flights
Pearson Intl to Waco flights
Pearson Intl to Amarillo flights
Pierre Elliott Trudeau Intl to Lubbock flights
Ottawa to Killeen flights
Ottawa to El Paso flights
Region of Waterloo Intl to Dallas/Fort Worth flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.