Cheap flights from Ontario to San Antonio from £107

Cheap flights from Ontario to San Antonio from £107

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1 stop
Thu, Jun 18
Ontario ONTSan Antonio SAT

£107
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1 stop
Sat, Jun 20
Ontario ONTSan Antonio SAT

£107
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1 stop
Wed, Jun 17
Ontario ONTSan Antonio SAT

£122
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1 stop
Sat, Jun 20
Ontario ONTSan Antonio SAT

£122
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1 stop
Fri, Jun 19
Ontario ONTSan Antonio SAT

£122
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1 stop
Thu, Jun 18
Ontario ONTSan Antonio SAT

£122
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1 stop
Sat, Jun 20 – Wed, Jun 24
Ontario ONTSan Antonio SAT

£234
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1 stop
Sat, Jun 20 – Wed, Jun 24
Ontario ONTSan Antonio SAT

£249
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1 stop
Sat, Jun 20 – Tue, Jun 23
Ontario ONTSan Antonio SAT

£255
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1 stop
Thu, Jun 18 – Tue, Jun 23
Ontario ONTSan Antonio SAT

£255
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1 stop
Fri, Jun 19 – Wed, Jun 24
Ontario ONTSan Antonio SAT

£266
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1 stop
Sat, Jun 20 – Wed, Jun 24
Ontario ONTSan Antonio SAT

£266
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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
135
Flight distance

Check-in for a flight from Ontario to San Antonio

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Frontier AirlinesFFTF9No
VolarisVOIY4No
VivaAerobusVIVVBNo
Alaska AirlinesASAASNo

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°C18°C
November22°C12°C
December18°C9°C
Hottest Month
36°C
August
Coldest month
7°C
January
Sunny days
303
days per year

14 day forecast

Saturday
6 Jun
80%
34°C23°C
13 Jun
35°C23°C
Sunday
7 Jun
73%
32°C24°C
14 Jun
73%
35°C24°C
Monday
8 Jun
73%
32°C23°C
15 Jun
73%
32°C24°C
Tuesday
9 Jun
73%
32°C23°C
16 Jun
73%
36°C23°C
Wednesday
10 Jun
73%
31°C23°C
17 Jun
73%
36°C25°C
Thursday
11 Jun
34°C23°C
18 Jun
85%
31°C23°C
Friday
12 Jun
73%
35°C22°C
19 Jun
73%
33°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, Frontier Airlines, Volaris, VivaAerobus, and Alaska Airlines. Ontario and San Antonio have 135 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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