Cheap flights from Portsmouth to San Antonio from $256

Cheap flights from Portsmouth to San Antonio from $256

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1 stop
Thu, Jun 25
Portsmouth PSMSan Antonio SAT

$256
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2 stops
Thu, Jun 25
Portsmouth PSMSan Antonio SAT

$269
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2 stops
Sun, Jun 21
Portsmouth PSMSan Antonio SAT

$309
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2 stops
Thu, Jun 25
Portsmouth PSMSan Antonio SAT

$314
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2 stops
Sat, Jun 20
Portsmouth PSMSan Antonio SAT

$315
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1 stop
Sun, Jun 21
Portsmouth PSMSan Antonio SAT

$343
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1 stop
Thu, Jun 25 – Sun, Jun 28
Portsmouth PSMSan Antonio SAT

$476
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2 stops
Thu, Jun 25 – Sun, Jun 28
Portsmouth PSMSan Antonio SAT

$489
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2 stops
Thu, Jun 25 – Sun, Jun 28
Portsmouth PSMSan Antonio SAT

$534
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2 stops
Sun, Jun 21 – Thu, Jun 25
Portsmouth PSMSan Antonio SAT

$624
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2 stops
Sat, Jun 20 – Thu, Jun 25
Portsmouth PSMSan Antonio SAT

$630
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1 stop
Sun, Jun 21 – Thu, Jun 25
Portsmouth PSMSan Antonio SAT

$657
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How much do flights to San Antonio cost?

Key info about flying to San Antonio

Depart from
Portsmouth International Airport at Pease
Arrive to
San Antonio International
Average flights per week
41
Flight distance

Check-in for a flight from Portsmouth to San Antonio

NameCarrier codeIATA CodePassport needed during booking
Allegiant AirAAYG4No
Frontier AirlinesFFTF9No
VivaAerobusVIVVBNo
Sun Country AirlinesSCXSYYes
AeroMéxicoAMXAMYes

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
The most popular airlines for this route are Allegiant Air, Frontier Airlines, VivaAerobus, Sun Country Airlines, and AeroMéxico. Portsmouth and San Antonio have 41 direct flights per week.

Frequently asked questions

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

Explore alternative trips

Flights from Portsmouth

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 Portsmouth

Here is a list of countries people are flying to

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