Which airports can I use when flying from San Antonio to Porto?

Flights from San Antonio to Porto usually depart from San Antonio (SAT) and arrive at Porto (OPO).

What cabin classes can I book on flights from San Antonio to Porto?

Two cabin classes are available on flights from San Antonio to Porto: • Economy Class • Premium Economy Class

Can I save money by using flexible dates for flights from San Antonio to Porto?

Yes. Flexible dates can save you up to 50% on flights from San Antonio to Porto. Thursday is the cheapest departure day at $663 round-trip on average, while Friday is the most expensive at $1,312, a difference of $649. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Porto?

Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

How long is a flight from San Antonio to Porto?

A nonstop flight from San Antonio to Porto takes 00m, covering 4,895 miles.

Do I need a passport to fly from San Antonio to Porto?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from San Antonio to Porto changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $804 to $2,451. That means the highest observed fare was about 3x higher than the lowest one.

What is the time difference between San Antonio and Porto?

Porto is 5 hours ahead of San Antonio (Western European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Porto Airport (OPO)?

Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $24 for economy cars. Top options include: • GREEN MOTION • Drive on Holiday • Klass Wagen • Goldcar Rental SP • Sixt

How much should I expect to pay for a San Antonio to Porto flight?

Round-trip flights from San Antonio to Porto range from $807 to $1,048, with an average of $880 over the past 12 months. Anything below $807 counts as a good deal.

How much is a round-trip flight from San Antonio to Porto?

Round-trip flights from San Antonio to Porto typically range from $807 to $1,048. The lowest price found in the past 5 days was $804, on United Airlines.

Which airline is the cheapest to fly from San Antonio to Porto?

United Airlines ($804) and Delta ($869) are the cheapest airlines to fly round-trip from San Antonio to Porto according to KAYAK data over the last 5 days.

$804 CHEAP FLIGHTS from San Antonio to Porto (SAT - OPO)

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Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$804

Typical prices: $807-$1,048

United Airlines

Mon 11/26Sun 12/9

SAT - OPO • 2 stops

Nonstop flights

Not available

There are currently no direct flights between San Antonio and Porto. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

February

Cheapest • 43% price drop

May

Most popular

Good to know

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We hope you love your trip to Porto!

Flight Deals

Cheap Flights from San Antonio to Porto (SAT-OPO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from San Antonio to Porto

Thu, Nov 26 - Wed, Dec 9

6:34 am - 9:30 amSAT San Antonio-OPO Porto

20h 56m2 stops Chicago O'Hare Intl Newark

6:00 am - 10:52 pmOPO Porto-SAT San Antonio

22h 52m2 stops Frankfurt am Main Chicago O'Hare Intl

$804United Airlines

Tue, Nov 10 - Sun, Nov 15

11:45 am - 10:35 amSAT San Antonio-OPO Porto

16h 50m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 10:54 pmOPO Porto-SAT San Antonio

23h 54m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$869Delta

Tue, Nov 10 - Sun, Nov 15

11:04 am - 10:30 amSAT San Antonio-OPO Porto

17h 26m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

11:30 am - 10:54 pmOPO Porto-SAT San Antonio

17h 24m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$871KLM

Tue, Nov 10 - Sun, Nov 15

6:40 am - 10:35 amSAT San Antonio-OPO Porto

21h 55m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:55 am - 12:33 amOPO Porto-SAT San Antonio

24h 38m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$877Delta

Tue, Nov 10 - Sun, Nov 15

12:45 pm - 9:30 amSAT San Antonio-OPO Porto

14h 45m1 stop Newark

12:30 pm - 10:51 pmOPO Porto-SAT San Antonio

40h 21m2 stops Frankfurt am Main Houston George Bush Intcntl

$896United Airlines

Tue, Nov 10 - Sun, Nov 15

12:45 pm - 9:30 amSAT San Antonio-OPO Porto

14h 45m1 stop Newark

12:30 pm - 1:16 pmOPO Porto-SAT San Antonio

54h 46m2 stops Frankfurt am Main Houston George Bush Intcntl

$901United Airlines

Tue, Nov 10 - Sun, Nov 15

12:45 pm - 9:30 amSAT San Antonio-OPO Porto

14h 45m1 stop Newark

6:15 am - 7:10 pmOPO Porto-SAT San Antonio

18h 55m2 stops Munich Franz Josef Strauss Houston George Bush Intcntl

$911Lufthansa

Thu, Dec 10 - Thu, Dec 17

7:10 pm - 9:30 amSAT San Antonio-OPO Porto

32h 20m2 stops Houston George Bush Intcntl Newark

12:35 pm - 12:48 pmOPO Porto-SAT San Antonio

30h 13m2 stops Newark Denver Intl

$930United Airlines

Tue, Nov 10 - Sun, Nov 15

6:15 am - 9:30 amSAT San Antonio-OPO Porto

21h 15m1 stop Newark

12:35 pm - 11:39 amOPO Porto-SAT San Antonio

29h 04m1 stop Newark

$1,096Multiple Airlines

Thu, Dec 10 - Thu, Dec 17

12:15 pm - 11:00 amSAT San Antonio-OPO Porto

16h 45m2 stops Newark Lisbon Humberto Delgado

12:35 pm - 3:35 pmOPO Porto-SAT San Antonio

33h 00m3 stops Newark Washington, D.C. Reagan-National Houston George Bush Intcntl

$1,253United Airlines

Booking Insights

Price, demand and travel trends for San Antonio to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a round-trip flight from San Antonio to Porto? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Antonio to Porto departing in november.

Find deals

Low season	January
High season	May
Cheapest flight	$804

Beat the crowds with an average 90% drop in travelers.

The most popular month to fly with an average 35% increase in travelers.

Round-trip flight from San Antonio to Porto

When to book flights from San Antonio to Porto

Are your dates flexible? Find out the best times to travel from San Antonio to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from San Antonio to Porto?
Two cabin classes are available on flights from San Antonio to Porto:

• Economy Class
• Premium Economy Class
How long is a flight from San Antonio to Porto?
A nonstop flight from San Antonio to Porto takes 00m, covering 4,895 miles.
Do I need a passport to fly from San Antonio to Porto?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a San Antonio to Porto flight?
Round-trip flights from San Antonio to Porto range from $807 to $1,048, with an average of $880 over the past 12 months. Anything below $807 counts as a good deal.
Have flight prices from San Antonio to Porto changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $804 to $2,451. That means the highest observed fare was about 3x higher than the lowest one.
What car rental options are available at Porto Airport (OPO)?
Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $24 for economy cars. Top options include:

• GREEN MOTION
• Drive on Holiday
• Klass Wagen
• Goldcar Rental SP
• Sixt
Which airports can I use when flying from San Antonio to Porto?
Flights from San Antonio to Porto usually depart from San Antonio (SAT) and arrive at Porto (OPO).
Can I save money by using flexible dates for flights from San Antonio to Porto?
Yes. Flexible dates can save you up to 50% on flights from San Antonio to Porto. Thursday is the cheapest departure day at $663 round-trip on average, while Friday is the most expensive at $1,312, a difference of $649.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between San Antonio and Porto?
Porto is 5 hours ahead of San Antonio (Western European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Porto?
Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Friday. On this route, Thursday flights average $663, about $649 less than Friday fares (49% savings) based on the last 12 months.
If you can choose when to travel, plan your San Antonio to Porto trip for February. Fares historically average $499 round-trip in that month - typically $813 less than the most expensive month, which is June (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

• Ap Aeroporto Porto

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SAT - OPO

$804 Find Cheap Flights from San Antonio to Porto - Compare and Save

Everything you should know

Cheap Flights from San Antonio to Porto (SAT-OPO)

Recent round-trip flight deals from San Antonio to Porto

Recent one-way flight deals from San Antonio to Porto

Price, demand and travel trends for San Antonio to Porto flights

How much is a round-trip flight from San Antonio to Porto?

Which airline is the cheapest to fly from San Antonio to Porto?

Key details for San Antonio to Porto flights

Low season

High season

Cheapest flight

When to book flights from San Antonio to Porto

Your San Antonio to Porto flight questions, answered

Your guide to booking San Antonio to Porto flights

More options for your flight from San Antonio to Porto

Complete your trip to Porto with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from San Antonio to Porto

Find direct flights to and from San Antonio and Porto

Flights from domestic origins to Porto

Flights to other popular destinations