$300+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAT
Oct 11 — Oct 181
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
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Best
Last-minute
One-way
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 September 11, 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 September 11, 2026.
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:00 am -
1 stop13h 13m
Tue 10/138:50 am -
1 stop7h 20m
Deal found 9/10![Air Canada logo]()
$476
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:30 am -
2 stops30h 25m
Sun 12/134:36 pm -
2 stops31h 08m
Deal found 9/6![WestJet logo]()
$494
This FlightHub deal was found by Cheapflights users on 9/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:55 am -
2 stops11h 06m
Sun 9/275:15 am -
2 stops11h 20m
Deal found 9/6![WestJet logo]()
$497
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/309:45 am -
1 stop11h 39m
Tue 11/37:00 am -
1 stop7h 07m
Deal found 9/6![United Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/812:25 pm -
2 stops34h 24m
Mon 10/1210:03 am -
1 stop12h 42m
Deal found 9/10![Multiple Airlines logo]()
$514
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop6h 04m
Mon 10/126:35 am -
1 stop14h 00m
Deal found 9/9![Air Canada logo]()
$517
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:01 pm -
2 stops15h 51m
Tue 10/138:50 am -
1 stop7h 20m
Deal found 9/10![Multiple Airlines logo]()
$548
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:50 am -
2 stops18h 43m
Mon 10/125:30 am -
2 stops17h 50m
Deal found 9/10![WestJet logo]()
$549
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/86:00 am -
1 stop6h 04m
Mon 10/126:35 am -
1 stop14h 00m
Deal found 9/10![United Airlines logo]()
$554
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 September 11, 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 September 11, 2026.
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:30 am -
2 stops30h 25m
Sun 12/134:36 pm -
2 stops31h 08m
Deal found 9/6![WestJet logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/8. 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 2/162:48 pm -
2 stops19h 00m
Sat 2/277:00 pm -
2 stops18h 18m
Deal found 9/8![United Airlines logo]()
$501
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop6h 04m
Mon 10/126:35 am -
1 stop14h 00m
Deal found 9/9![Air Canada logo]()
$517
This United Airlines deal was found by Cheapflights users on 9/6. 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 12/109:45 am -
2 stops12h 41m
Sun 12/137:00 am -
1 stop13h 56m
Deal found 9/6![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/306:00 am -
2 stops10h 38m
Tue 11/311:45 am -
2 stops8h 31m
Deal found 9/6![United Airlines logo]()
$502
Last-minute flights from Ottawa to San AntonioDiscover last-minute flight deals from Ottawa to San Antonio. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to San Antonio. Data last updated September 11, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:55 am -
2 stops11h 06m
Sun 9/275:15 am -
2 stops11h 20m
Deal found 9/6![WestJet logo]()
$497
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/2410:00 am -
2 stops13h 53m
Sun 9/276:35 am -
1 stop14h 00m
Deal found 9/6![United Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/812:25 pm -
2 stops34h 24m
Mon 10/1210:03 am -
1 stop12h 42m
Deal found 9/10![Multiple Airlines logo]()
$514
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop6h 04m
Mon 10/126:35 am -
1 stop14h 00m
Deal found 9/9![Air Canada logo]()
$517
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:50 am -
2 stops18h 43m
Mon 10/125:30 am -
2 stops17h 50m
Deal found 9/10![WestJet logo]()
$549
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/86:00 am -
1 stop6h 04m
Mon 10/126:35 am -
1 stop14h 00m
Deal found 9/10![United Airlines logo]()
$554
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:00 am -
1 stop13h 13m
Tue 10/138:50 am -
1 stop7h 20m
Deal found 9/10![Air Canada logo]()
$476
This United deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:01 pm -
2 stops15h 51m
Tue 10/138:50 am -
1 stop7h 20m
Deal found 9/10![Multiple Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 10/309:45 am -
1 stop11h 39m
Tue 11/37:00 am -
1 stop7h 07m
Deal found 9/6![United Airlines logo]()
$502
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 September 11, 2026.
Search for one-way flight options from Ottawa to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Thu 10/1510:00 am -
2 stops15h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Thu 10/156:25 pm -
3 stops40h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![WestJet logo]()
$304
This Air Canada deal was found by Cheapflights users on 9/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:25 am -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$351
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $476 (Air Canada) |
One-way from | $300 (Kiwi.com) |
Popular in | March |
Cheapest in | July |
Average price | $588 |
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 September 11, 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 10/15
10:00 am-12:30 am
2 stops15h 30m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$300
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Thu 10/15
6:25 pm-9:42 am
3 stops40h 17m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$304
Quickest round-trip
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Thu 10/15
6:25 am-12:11 pm
1 stop6h 46m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$351
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Thu 12/10
5:30 am-10:55 am
2 stops30h 25m
San Antonio
Sun 12/13
4:36 pm-12:44 am
2 stops31h 08m
$494
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Tue 2/16
2:48 pm-8:48 am
2 stops19h 00m
San Antonio
Sat 2/27
7:00 pm-2:18 pm
2 stops18h 18m
$501
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Thu 12/10
9:45 am-9:26 pm
2 stops12h 41m
San Antonio
Sun 12/13
7:00 am-9:56 pm
1 stop13h 56m
$502
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Fri 10/30
6:00 am-3:38 pm
2 stops10h 38m
San Antonio
Tue 11/3
11:45 am-9:16 pm
2 stops8h 31m
$502
OttawaSan Antonio
YOW Ottawa - SAT San Antonio
YOWSAT
Ottawa
Thu 10/8
6:00 am-11:04 am
1 stop6h 04m
San Antonio
Mon 10/12
6:35 am-9:35 pm
1 stop14h 00m
$517
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 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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