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Cheap flights from Calgary to San Antonio from C$ 304

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SAT
17 Apr — 24 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Calgary to San Antonio

Enter your travel dates to find the best prices.

Cheapest flights from Calgary to San Antonio
Explore the most affordable flight options available from Calgary to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 March 2026.

Tue 28/41:27 p.m.
YYC
-
SAT
2 stops21h 57m
United Airlines
Tue 5/58:48 a.m.
SAT
-
YYC
1 stop6h 05m
United Airlines
Deal found 13/3C$ 512
Tue 21/46:00 a.m.
YYC
-
SAT
1 stop13h 42m
United Airlines
Wed 22/45:30 a.m.
SAT
-
YYC
1 stop8h 24m
United Airlines
Deal found 14/3C$ 530
Wed 15/72:45 p.m.
YYC
-
SAT
1 stop7h 33m
Delta
Sat 12/95:30 a.m.
SAT
-
YYC
1 stop12h 40m
Delta
Deal found 18/3C$ 605
Wed 29/41:40 p.m.
YYC
-
SAT
2 stops9h 16m
American Airlines
Wed 6/56:00 a.m.
SAT
-
YYC
1 stop6h 43m
American Airlines
Deal found 15/3C$ 612
Mon 13/41:53 p.m.
YYC
-
SAT
1 stop6h 10m
United Airlines
Mon 20/41:25 p.m.
SAT
-
YYC
1 stop9h 23m
United Airlines
Deal found 14/3C$ 618
Mon 13/47:00 a.m.
YYC
-
SAT
2 stops13h 30m
WestJet
Mon 20/47:38 a.m.
SAT
-
YYC
1 stop28h 32m
WestJet
Deal found 14/3C$ 633
Fri 17/42:35 p.m.
YYC
-
SAT
1 stop8h 01m
WestJet
Sun 19/46:12 p.m.
SAT
-
YYC
2 stops26h 00m
WestJet
Deal found 14/3C$ 634

Find flight deals from Calgary to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) 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 18 March 2026.

Round-trip from

C$ 512

One-way from

C$ 289

Popular in

August

Cheapest in

June

Average price

C$ 730
United Airlines
  • United Airlines
  • 28/4-5/5
  • 3 total stops
  • 28h 02m total
  • Calgary to San Antonio
Search Deals
27/4
  • 27/4
  • 2 total stops
  • 45h 03m total
  • Calgary to San Antonio
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Calgary 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 18 March 2026.
Use the filters below to find and compare flights from Calgary to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Tue 21/4

6:00 a.m.-8:42 p.m.

1 stop13h 42m

San Antonio

Wed 22/4

5:30 a.m.-12:54 p.m.

1 stop8h 24m

C$ 530
Quickest round-trip

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Wed 2/9

9:30 a.m.-10:55 p.m.

2 stops12h 25m

San Antonio

Thu 10/9

1:45 p.m.-6:30 p.m.

1 stop5h 45m

C$ 530

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Wed 29/4

6:45 a.m.-11:56 p.m.

1 stop16h 11m

San Antonio

Wed 6/5

6:00 a.m.-11:43 a.m.

1 stop6h 43m

C$ 600

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Tue 28/4

1:27 p.m.-10:59 p.m.

2 stops8h 32m

San Antonio

Tue 5/5

7:10 p.m.-11:32 a.m.

2 stops17h 22m

C$ 600

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Sat 25/4

6:40 a.m.-8:30 p.m.

2 stops12h 50m

San Antonio

Mon 4/5

3:33 p.m.-10:10 p.m.

1 stop7h 37m

C$ 605

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Wed 15/7

2:45 p.m.-11:18 p.m.

1 stop7h 33m

San Antonio

Sat 12/9

5:30 a.m.-5:10 p.m.

1 stop12h 40m

C$ 605
Cheapest one-way

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Wed 29/4

1:53 p.m.-9:03 p.m.

1 stop6h 10m

C$ 304

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Wed 3/6

12:28 p.m.-10:54 p.m.

1 stop9h 26m

C$ 304

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Sat 2/5

6:40 a.m.-11:08 p.m.

2 stops15h 28m

C$ 305

CalgarySan Antonio

YYC - SAT

YYCSAT

Calgary

Sat 2/5

6:00 a.m.-4:57 p.m.

1 stop9h 57m

C$ 305

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Calgary to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Calgary 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 Calgary to San Antonio

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

Currently, November is the cheapest month in which you can book a flight from Calgary to San Antonio (average of C$ 118). Flying from Calgary to San Antonio in January is currently the most expensive (average of C$ 386). 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 Calgary to San Antonio?

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 18 March 2026.
Read through reviews of airlines operating flights from Calgary to San Antonio, such as United Airlines,WestJet, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,435 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,435 reviews
United Airlines
7.4
Good
9,435 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,297 reviews
United Airlines
7.4
Good
9,435 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,813 reviews
United Airlines
7.4
Good
9,435 reviews
Check prices

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Calgary 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 Calgary to San Antonio?

    Departing from Calgary to San Antonio will take you 21h 57m. Airlines will cover a distance of 2725 km.

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

    Flying on WestJet is currently your cheapest option to San Antonio, with prices starting at C$ 475. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at C$ 476 and C$ 599, respectively. You may be able to fly from Calgary to San Antonio for 30% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Calgary to San Antonio one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 241. United Airlines flights start at C$ 305 while deals on American Airlines start at C$ 367 one-way.

  • Can I find deals for flights from Calgary to San Antonio that include hotel bookings?

    Yes. In addition to deals on Calgary to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Calgary to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to San Antonio.

  • Can I find deals for business class flights from Calgary to San Antonio?

    Yes. Cheapflights offers flight deals from Calgary 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 Calgary to San Antonio?

    Currently, November is the cheapest month in which you can book a flight from Calgary to San Antonio (average of C$ 118). Flying from Calgary to San Antonio in January is currently the most expensive (average of C$ 386). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Calgary to San Antonio

Discover the top 3 airlines that operate flights from Calgary 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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 475AverageC$ 619FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 476AverageC$ 652FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 599AverageC$ 673FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Calgary to San Antonio?

Cheapflights makes it easy to find Calgary to San Antonio flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Calgary to San Antonio?

Cheapflights helps you find that perfect flight to San Antonio from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Calgary to San Antonio with no change fees?

Yes! Cheapflights helps users easily find flights from Calgary to San Antonio with no change fees.

Can Cheapflights notify me if prices for flights from Calgary to San Antonio become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Antonio from Calgary today and book when prices fit your budget.

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