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C$ 123+ Cheap flights from San Antonio

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 24/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAT — MRY
14 Oct — 21 Oct1
1 adult
1 adult, Economy

What to know about flights from San Antonio

Discover essential information about flights departing from San Antonio, including flight schedules, destinations, airlines operating at the San Antonio airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 14 September 2025.

Cheapest airline

WestJet

Good round-trip deal

C$ 235 or less

Good one-way deal

C$ 133 or less
On average, WestJet currently has the cheapest one-way flight from San Antonio (avg. price of C$ 727).
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Price to beat on a round-trip flight from San Antonio.
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Price to beat on a one-way flight from San Antonio.
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Find flights from San Antonio

Cheapest flights from San Antonio
Explore the most affordable flight options available from San Antonio. Find the lowest fares based on data from user searches, with prices last updated on 14 September 2025.

Tue 4/112:31 p.m.SAT - SEA
1 stop7h 49mDelta
Tue 11/115:25 a.m.SEA - SAT
1 stop6h 24mDelta
Deal found 14/9C$ 273
Wed 29/103:25 p.m.SAT - SEA
2 stops10h 20mSouthwest
Sat 1/115:00 a.m.SEA - SAT
1 stop8h 30mSouthwest
Deal found 14/9C$ 280
Mon 3/114:51 p.m.SAT - SEA
1 stop7h 34mDelta
Sat 8/115:00 p.m.SEA - SAT
1 stop5h 31mDelta
Deal found 14/9C$ 285
Sun 21/128:30 p.m.SAT - SEA
1 stop6h 25mSouthwest
Tue 23/127:50 p.m.SEA - SAT
1 stop12h 15mSouthwest
Deal found 13/9C$ 292
Thu 6/1112:40 p.m.SAT - SEA
1 stop5h 52mDelta
Mon 10/112:11 p.m.SEA - SAT
1 stop7h 48mDelta
Deal found 14/9C$ 298
Mon 5/14:10 p.m.SAT - SEA
1 stop8h 12mDelta
Thu 8/112:00 p.m.SEA - SAT
1 stop9h 17mDelta
Deal found 13/9C$ 303
Sat 4/104:24 p.m.SAT - SEA
2 stops8h 51mUnited Airlines
Tue 7/108:42 a.m.SEA - SAT
1 stop6h 35mUnited Airlines
Deal found 13/9C$ 305
Wed 5/116:00 a.m.SAT - SEA
1 stop9h 00mDelta
Wed 5/115:00 p.m.SEA - SAT
1 stop5h 31mDelta
Deal found 14/9C$ 306
Fri 5/126:40 a.m.SAT - SEA
1 stop8h 45mSouthwest
Mon 8/126:35 a.m.SEA - SAT
2 stops13h 15mSouthwest
Deal found 14/9C$ 313
Thu 27/116:00 a.m.SAT - SEA
1 stop9h 01mDelta
Tue 2/1212:25 p.m.SEA - SAT
1 stop9h 23mDelta
Deal found 13/9C$ 314
Thu 27/116:30 a.m.SAT - SEA
Nonstop4h 39mAlaska Airlines
Thu 27/1111:53 a.m.SEA - SAT
Nonstop4h 09mAlaska Airlines
Deal found 13/9C$ 320
Wed 1/106:02 p.m.SAT - SEA
1 stop7h 41mDelta
Tue 7/106:00 a.m.SEA - SAT
1 stop9h 17mDelta
Deal found 13/9C$ 321

Find flights from San Antonio within your budget

 
Find flights departing from San Antonio that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 14 September 2025. In the last 7 days, Cheapflights users made a total of 629,999 searches

Fly to

Monterey

Route

Depart

Return

Price

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 25/11

6:10 p.m.-11:59 p.m.

1 stop7h 49m

Seattle/Tacoma Intl

Tue 2/12

12:25 p.m.-11:48 p.m.

1 stop9h 23m

C$ 273

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 15/11

2:39 p.m.-8:36 p.m.

1 stop7h 57m

Seattle/Tacoma Intl

Mon 17/11

11:10 p.m.-10:55 a.m.

1 stop9h 45m

C$ 285

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Thu 6/11

12:40 p.m.-4:32 p.m.

1 stop5h 52m

Seattle/Tacoma Intl

Mon 10/11

2:11 p.m.-11:59 p.m.

1 stop7h 48m

C$ 298

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 24/10

6:07 p.m.-11:59 p.m.

1 stop7h 52m

Seattle/Tacoma Intl

Mon 27/10

7:10 a.m.-5:25 p.m.

1 stop8h 15m

C$ 298

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 4/10

4:24 p.m.-11:15 p.m.

2 stops8h 51m

Seattle/Tacoma Intl

Sat 11/10

5:00 a.m.-12:45 p.m.

1 stop5h 45m

C$ 305

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 18/10

4:21 p.m.-11:15 p.m.

2 stops8h 54m

Seattle/Tacoma Intl

Sat 25/10

8:30 a.m.-4:45 p.m.

1 stop6h 15m

C$ 305

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 4/10

4:24 p.m.-11:15 p.m.

2 stops8h 51m

Seattle/Tacoma Intl

Tue 7/10

8:42 a.m.-5:17 p.m.

1 stop6h 35m

C$ 305

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 30/9

7:45 a.m.-2:39 p.m.

1 stop8h 54m

Seattle/Tacoma Intl

Tue 7/10

7:10 a.m.-5:25 p.m.

1 stop8h 15m

C$ 321

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Mon 5/1

4:10 p.m.-10:22 p.m.

1 stop8h 12m

Seattle/Tacoma Intl

Thu 8/1

1:30 p.m.-10:26 p.m.

1 stop6h 56m

C$ 327

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 29/10

6:32 a.m.-9:05 a.m.

Nonstop4h 33m

Seattle/Tacoma Intl

Sat 1/11

11:45 a.m.-5:55 p.m.

Nonstop4h 10m

C$ 328

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

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Best time to book a flight from San Antonio

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

Travel insights for flights from San Antonio

Get recent, data-driven insights about flights from San Antonio including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from San Antonio (average of C$ 123). Flying from San Antonio in March will prove the most costly (average of C$ 260). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from San Antonio?

From San Antonio you can expect to find greater availability for the following destinations: Chicago (364 flights per day), Dallas (321 flights per day) and Atlanta (207 flights per day).

Denver Intl
Denver Intl
From C$ 169
Detroit
Detroit
From C$ 115
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From C$ 227
Mexico City Benito Juarez
Mexico City Benito Juarez
From C$ 89

What is the cheapest place to fly to from San Antonio?

The cheapest city to fly to from San Antonio is New Orleans Louis Armstrong, with prices starting at C$ 117. Explore other affordable destinations below.

New Orleans Louis Armstrong
New Orleans Louis Armstrong
From C$ 85
Mexico City Benito Juarez
Mexico City Benito Juarez
From C$ 89
Detroit
Detroit
From C$ 115
Denver Intl
Denver Intl
From C$ 169

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Related info for your journey

Access useful and relevant information related to your journey from San Antonio. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 14 September 2025.

  • What are the most popular destinations to fly to from San Antonio?

    This month, the top selected destinations from San Antonio are Denver, Boston, Dallas/Fort Worth Airport. Throughout the year, Denver, Cancún, Boston are some of the top choices made by users flying from San Antonio.

  • What is the cheapest flight from San Antonio to anywhere?

    Users have flown out of San Antonio for as low as C$ 117 to New Orleans (prices may vary depending on the airline and departure time). On average, users have booked flights for C$ 350 to fly from San Antonio.

  • What is the cheapest premium economy flight from San Antonio?

    Options for some of the cheapest premium economy flights from San Antonio we have found on Cheapflights are as follows:
    Fly from San Antonio to Denver starting at C$ 897

  • What is the cheapest month to fly from San Antonio?

    At the present moment the cheapest month to fly from San Antonio is currently November; with March being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from San Antonio?

    Check out the cheapest flights from San Antonio to embark to:
    Travel from San Antonio to Monterey from C$ 429 round trip

  • How does Cheapflights help users find flights from San Antonio?

    Deals for flights from San Antonio are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

    Cheapflights helps you find that perfect flight from San Antonio 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 San Antonio with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from San Antonio flexibly with Cheapflights today.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from San Antonio?

Deals for flights from San Antonio are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight from San Antonio 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 San Antonio with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Antonio flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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