$549+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAT
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:15 am -
2 stops10h 07m
Sun 12/135:00 am -
2 stops11h 56m
Deal found 10/25![American Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 12/86:15 am -
1 stop7h 05m
Thu 12/105:15 am -
2 stops15h 01m
Deal found 10/20![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Thu 12/106:00 am -
1 stop10h 06m
Sun 12/137:00 am -
1 stop7h 07m
Deal found 10/24![United Airlines logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 10/268:00 am -
2 stops14h 49m
Mon 11/25:13 pm -
1 stop22h 32m
Deal found 10/21![Multiple Airlines logo]()
$978
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 10/266:00 am -
2 stops15h 24m
Mon 11/27:35 am -
2 stops13h 21m
Deal found 10/21![United Airlines logo]()
$1,026
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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:15 am -
2 stops11h 44m
Sun 12/135:00 am -
2 stops11h 56m
Deal found 10/20![American Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/86:15 am -
1 stop7h 05m
Thu 12/105:15 am -
2 stops15h 01m
Deal found 10/21![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 12/106:15 am -
2 stops10h 33m
Sun 12/131:40 pm -
1 stop6h 36m
Deal found 10/21![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 12/249:45 am -
1 stop12h 12m
Mon 12/286:45 am -
1 stop13h 38m
Deal found 10/22![United Airlines logo]()
$686
Last-minute flights from Ottawa to San AntonioDiscover last-minute flight deals from Ottawa to San Antonio. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Antonio. Data last updated October 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 10/268:00 am -
2 stops14h 49m
Mon 11/25:13 pm -
1 stop22h 32m
Deal found 10/21![Multiple Airlines logo]()
$978
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 10/266:00 am -
2 stops15h 24m
Mon 11/27:35 am -
2 stops13h 21m
Deal found 10/21![United Airlines logo]()
$1,026
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $588 (American Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $575 |
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 7,457,451 searches. Data last updated October 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
Cheapest round-trip
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Thu 12/10
10:15 am-8:59 pm
2 stops11h 44m
San Antonio
Sun 12/13
5:00 am-5:56 pm
2 stops11h 56m
$588
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Tue 12/8
6:15 am-12:20 pm
1 stop7h 05m
San Antonio
Thu 12/10
5:15 am-9:16 pm
2 stops15h 01m
$686
Quickest round-trip
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Thu 12/10
6:15 am-3:48 pm
2 stops10h 33m
San Antonio
Sun 12/13
1:40 pm-9:16 pm
1 stop6h 36m
$686
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Thu 12/24
9:45 am-8:57 pm
1 stop12h 12m
San Antonio
Mon 12/28
6:45 am-9:23 pm
1 stop13h 38m
$686
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ottawa-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-San Antonio flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
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.
Cheapflights Insights
Everything you need to know about your flight 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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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