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Cheap flights from Ottawa to San Antonio from C$ 609

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAT
5 Jul — 12 Jul1
1 adult

Cheap 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 30 June 2025.

Round-trip from

C$ 609

Popular in

May

Cheapest in

December

Average price

C$ 862
29/7-3/8
  • 29/7-3/8
  • 3 total stops
  • 22h 27m total
  • Ottawa to San Antonio
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 266 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 76 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ottawa to San Antonio

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 June 2025.

Tue 29/77:00 a.m.YOW - SAT
2 stops13h 22mMultiple Airlines
Sun 3/87:10 a.m.SAT - YOW
1 stop9h 05mMultiple Airlines
Deal found 29/6C$ 609
Tue 29/711:55 a.m.YOW - SAT
2 stops10h 32mUnited Airlines
Sun 3/89:56 a.m.SAT - YOW
2 stops10h 39mUnited Airlines
Deal found 29/6C$ 828
Tue 8/75:55 a.m.YOW - SAT
2 stops15h 28mWestJet
Sun 13/712:24 p.m.SAT - YOW
2 stops10h 58mWestJet
Deal found 28/6C$ 1,174
Sat 5/75:55 a.m.YOW - SAT
2 stops12h 09mDelta
Thu 10/710:40 a.m.SAT - YOW
2 stops12h 42mDelta
Deal found 29/6C$ 1,357

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 629,999 searches. Data last updated 30 June 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

Tue 29/7

7:00 a.m.-7:22 p.m.

2 stops13h 22m

San Antonio

Sun 3/8

7:10 a.m.-5:15 p.m.

1 stop9h 05m

C$ 609

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Tue 29/7

11:55 a.m.-9:27 p.m.

2 stops10h 32m

San Antonio

Sun 3/8

9:56 a.m.-9:35 p.m.

2 stops10h 39m

C$ 828

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Tue 8/7

5:55 a.m.-8:23 p.m.

2 stops15h 28m

San Antonio

Sun 13/7

12:24 p.m.-12:22 a.m.

2 stops10h 58m

C$ 1,174

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

Sat 5/7

5:55 a.m.-5:04 p.m.

2 stops12h 09m

San Antonio

Thu 10/7

10:40 a.m.-12:22 a.m.

2 stops12h 42m

C$ 1,357

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/6

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, July is the cheapest month in which you can book a flight from Ottawa to San Antonio (average of C$ 325). Flying from Ottawa to San Antonio in May is currently the most expensive (average of C$ 443). 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.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated 30 June 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andWestJet 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.
Delta
8.0
Very good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,908 reviews
Delta
8.0
Very good
7,973 reviews
Check prices

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Ottawa to San Antonio round-trip?

    United Airlines, at C$ 828, was found to be the cheapest airline from Ottawa to San Antonio.Alternate airlines to your destination round-trip include WestJet and Delta. You may be able to fly from Ottawa to San Antonio for 18% less than the average price by searching for these airlines.

  • 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, July is the cheapest month in which you can book a flight from Ottawa to San Antonio (average of C$ 325). Flying from Ottawa to San Antonio in May is currently the most expensive (average of C$ 443). 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

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Top 2 airlines flying from Ottawa to San Antonio

Discover the top 2 airlines that operate flights from Ottawa to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 690AverageC$ 862FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 747AverageC$ 901FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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