Cheap flights from Ontario to San Antonio from £187

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1 stop
Wed, Jul 23
Ontario ONTSan Antonio SAT

£187
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1 stop
Wed, Jul 23
Ontario ONTSan Antonio SAT

£187
Search
1 stop
Wed, Jul 23
Ontario ONTSan Antonio SAT

£187
Search
1 stop
Wed, Jul 23
Ontario ONTSan Antonio SAT

£187
Search
1 stop
Wed, Jul 23
Ontario ONTSan Antonio SAT

£187
Search
1 stop
Wed, Jul 23
Ontario ONTSan Antonio SAT

£187
Search

Prices updated:

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1 stop
Fri, Jul 25 – Tue, Jul 29
Ontario ONTSan Antonio SAT

£345
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1 stop
Sat, Jul 26 – Tue, Jul 29
Ontario ONTSan Antonio SAT

£346
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1 stop
Sat, Jul 26 – Tue, Jul 29
Ontario ONTSan Antonio SAT

£346
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1 stop
Sat, Jul 26 – Tue, Jul 29
Ontario ONTSan Antonio SAT

£346
Search
1 stop
Sat, Jul 26 – Tue, Jul 29
Ontario ONTSan Antonio SAT

£346
Search
1 stop
Sat, Jul 26 – Tue, Jul 29
Ontario ONTSan Antonio SAT

£346
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Prices updated:

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How much do flights to San Antonio cost?

Key info about flying to San Antonio

Depart from
Ontario International
Arrive to
San Antonio International
Average flights per week
57
Flight distance

Check-in for a flight from Ontario to San Antonio

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Alaska AirlinesASAASNo
Hawaiian AirlinesHALHANo

Weather in San Antonio

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January17°C7°C
February19°C9°C
March23°C12°C
April27°C16°C
May30°C20°C
June34°C23°C
July35°C24°C
August36°C25°C
September32°C22°C
October28°C17°C
November21°C12°C
December18°C9°C
Hottest Month
36°C
August
Coldest month
7°C
January
Sunny days
302
days per year

14 day forecast

Saturday
28 Jun
37°C24°C
5 Jul
31°C25°C
Sunday
29 Jun
89%
34°C25°C
6 Jul
36°C24°C
Monday
30 Jun
35°C25°C
7 Jul
39°C23°C
Tuesday
1 Jul
83%
33°C22°C
8 Jul
82%
36°C25°C
Wednesday
2 Jul
83%
33°C24°C
9 Jul
88%
25°C22°C
Thursday
3 Jul
75%
31°C24°C
10 Jul
88%
32°C23°C
Friday
4 Jul
36°C25°C
11 Jul
35°C24°C

San Antonio travel tips

Taste unique local Tex-Mex cuisine in San Antonio
See the historic buildings that make up the San Antonio Missions National Historical Park
Travelling by train? Pay attention to the San Antonio train station
The most popular airlines for this route are United Airlines, Alaska Airlines, and Hawaiian Airlines. Ontario and San Antonio have 57 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Ontario?
What are the most popular routes to and from San Antonio?
What airports are near Ontario?
What airports are near San Antonio?
Which airlines fly between Ontario and San Antonio?
When’s the best time to travel between Ontario and San Antonio?
What flights operate between Ontario and San Antonio?
How many airports are there near Ontario?
How many airports are there near San Antonio?
What time do nonstop (direct) flights between Ontario and San Antonio depart?
What time do nonstop (direct) flights between Ontario and San Antonio arrive?
What time do flights between Ontario and San Antonio depart?
What time do flights between Ontario and San Antonio arrive?

Explore alternative trips

Flights from Ontario

Flights to San Antonio

Popular routes

The nearest countries with flights to San Antonio

Here is a list of countries people are flying from

Other destination countries from Ontario

Here is a list of countries people are flying to

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