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Cheap flights from Ottawa to San Antonio from C$ 279

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SAT
17 jun. — 24 jun.1
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 12 junio 2025.

Round-trip from

C$ 543

One-way from

C$ 279

Popular in

May

Cheapest in

December

Average price

C$ 861
13/8-16/8
  • 13/8-16/8
  • 3 total stops
  • 28h 16m total
  • Ottawa to San Antonio
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25/7
  • 25/7
  • 2 total stops
  • 19h 33m total
  • Ottawa to San Antonio
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 265 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 12 junio 2025.

mié. 13/87:00 a.m.YOW - SAT
2 stops17h 30mMultiple Airlines
sáb. 16/85:20 a.m.SAT - YOW
1 stop10h 46mMultiple Airlines
Deal found 10/6C$ 543
mié. 13/85:15 a.m.YOW - SAT
2 stops16h 42mUnited Airlines
sáb. 16/84:48 p.m.SAT - YOW
2 stops23h 17mUnited Airlines
Deal found 10/6C$ 722
mié. 25/65:55 a.m.YOW - SAT
2 stops10h 41mWestJet
lun. 7/75:25 a.m.SAT - YOW
2 stops17h 57mWestJet
Deal found 9/6C$ 793
mié. 25/66:00 a.m.YOW - SAT
2 stops10h 55mAir Canada
lun. 7/76:45 a.m.SAT - YOW
1 stop9h 21mAir Canada
Deal found 10/6C$ 872

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 12 junio 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

mié. 13/8

7:00 a.m.-11:30 p.m.

2 stops17h 30m

San Antonio

sáb. 16/8

5:20 a.m.-5:06 p.m.

1 stop10h 46m

C$ 543

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

mié. 13/8

5:15 a.m.-8:57 p.m.

2 stops16h 42m

San Antonio

sáb. 16/8

4:48 p.m.-5:05 p.m.

2 stops23h 17m

C$ 722

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

mié. 25/6

5:55 a.m.-3:36 p.m.

2 stops10h 41m

San Antonio

lun. 7/7

5:25 a.m.-12:22 a.m.

2 stops17h 57m

C$ 793

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

mié. 25/6

6:40 a.m.-12:23 p.m.

1 stop6h 43m

San Antonio

lun. 7/7

12:55 p.m.-9:35 p.m.

1 stop7h 40m

C$ 872

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

vie. 25/7

3:35 p.m.-10:08 a.m.

2 stops19h 33m

C$ 279

OttawaSan Antonio

YOW - SAT

YOWSAT

Ottawa

lun. 6/10

5:15 a.m.-8:55 p.m.

2 stops16h 40m

C$ 442

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

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.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

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).

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 12 junio 2025.
See what other customers who have flown with United Airlines, WestJet and Air Canada from Ottawa to San Antonio have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
WestJet
7.2
Good
2,868 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Air Canada
7.1
Good
9,531 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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$ 722, was found to be the cheapest airline from Ottawa to San Antonio.Alternate airlines to your destination round-trip include WestJet and Air Canada. You may be able to fly from Ottawa to San Antonio for 29% 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 12 junio 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 689AverageC$ 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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