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?

Only Economy Class is available on flights from San Antonio to Porto.

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

Yes. Being flexible with your travel dates can save you up to 40% on the San Antonio to Porto route. Thursday is the cheapest departure day at $663 round-trip on average, while Wednesday is the most expensive at $1,103, a difference of $440. 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, Ribeira Square 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 0h 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 are flight prices from San Antonio to Porto looking right now?

One-way fares from San Antonio to Porto are currently lower than usual. Average one-way flight prices are about $465, which is 25% below the typical average for this route.

What is the time difference between San Antonio and Porto?

Porto is 6 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 starting from around $2 for economy cars. Top options include: • Klass Wagen • Drive on Holiday • GREEN MOTION • Goldcar Rental SP • SURPRICE CAR RENTAL

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

Round-trip flights from San Antonio to Porto range from $772 to $1,048, with an average of $884 over the past 12 months. Anything below $772 counts as a good deal.

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

Iberia ($592) and Lufthansa ($607) are the cheapest airlines to fly round-trip from San Antonio to Porto according to KAYAK data over the last 5 days.

$333 CHEAP FLIGHTS from San Antonio to Porto (SAT - OPO)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

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

Cheapest round-trip

$591

Typical prices: $772-$1,048

Multiple Airlines

Thu 2/8Fri 3/2

SAT - OPO • 2 stops

Cheapest one-way

$333

Typical prices: $527-$634

Iberia

Thu 3/1

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 • 33% price drop

July

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

Mon, Feb 8 - Tue, Mar 2

8:53 am - 7:40 amSAT San Antonio-OPO Porto

16h 47m2 stops Charlotte Douglas Madrid Barajas

8:40 pm - 7:58 pmOPO Porto-SAT San Antonio

29h 18m2 stops Madrid Barajas Dallas/Fort Worth

$591Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

7:15 am - 11:45 amSAT San Antonio-OPO Porto

22h 30m2 stops Chicago O'Hare Intl Madrid Barajas

8:40 pm - 11:55 pmOPO Porto-SAT San Antonio

33h 15m2 stops Madrid Barajas Chicago O'Hare Intl

$592Iberia

Tue, Feb 9 - Wed, Mar 3

1:35 pm - 12:50 pmSAT San Antonio-OPO Porto

17h 15m2 stops Denver Intl Munich Franz Josef Strauss

6:00 am - 8:10 pmOPO Porto-SAT San Antonio

20h 10m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$607Lufthansa

Tue, Feb 9 - Mon, Mar 1

1:35 pm - 12:50 pmSAT San Antonio-OPO Porto

17h 15m2 stops Denver Intl Munich Franz Josef Strauss

1:45 pm - 9:07 pmOPO Porto-SAT San Antonio

37h 22m2 stops Munich Franz Josef Strauss Denver Intl

$609Lufthansa

Tue, Nov 3 - Tue, Nov 10

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

21h 15m1 stop Newark

12:35 pm - 11:38 pmOPO Porto-SAT San Antonio

41h 03m2 stops Frankfurt am Main Chicago O'Hare Intl

$613United Airlines

Sun, Feb 7 - Fri, Mar 5

6:30 am - 10:35 amSAT San Antonio-OPO Porto

22h 05m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:55 am - 9:32 pmOPO Porto-SAT San Antonio

21h 37m2 stops Paris Charles de Gaulle Minneapolis St Paul

$614Delta

Tue, Feb 9 - Fri, Mar 5

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

17h 50m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:55 am - 8:22 pmOPO Porto-SAT San Antonio

20h 27m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$615Delta

Thu, Oct 22 - Thu, Nov 5

1:20 pm - 10:30 amSAT San Antonio-OPO Porto

15h 10m1 stop New York John F Kennedy Intl

10:15 am - 9:42 amOPO Porto-SAT San Antonio

29h 27m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$616Delta

Thu, Oct 22 - Thu, Nov 5

4:28 pm - 4:00 pmSAT San Antonio-OPO Porto

17h 32m2 stops Dallas/Fort Worth Madrid Barajas

8:20 am - 10:19 pmOPO Porto-SAT San Antonio

19h 59m2 stops Madrid Barajas Miami

$622American Airlines

Mon, Feb 8 - Tue, Mar 2

7:30 am - 11:15 amSAT San Antonio-OPO Porto

21h 45m2 stops Washington, D.C. Dulles Intl Zurich

12:35 pm - 3:30 pmOPO Porto-SAT San Antonio

32h 55m1 stop Newark

$626Multiple 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 from San Antonio to Porto with more confidence.

Prices

Airlines

What's the cheapest day of the week to fly from San Antonio to Porto?

Thursday is the cheapest day of the week to fly from San Antonio to Porto, it is 25% cheaper than the average day. Wednesday is the most expensive day with flight prices 24% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	January
High season	July
Cheapest flight	$333

Most popular time to fly with an average 25% increase in price.

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.

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?
Only Economy Class is available on flights from San Antonio to Porto.
Can I save money by using flexible dates for flights from San Antonio to Porto?
Yes. Being flexible with your travel dates can save you up to 40% on the San Antonio to Porto route. Thursday is the cheapest departure day at $663 round-trip on average, while Wednesday is the most expensive at $1,103, a difference of $440. 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, Ribeira Square 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 0h 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 are flight prices from San Antonio to Porto looking right now?
One-way fares from San Antonio to Porto are currently lower than usual. Average one-way flight prices are about $465, which is 25% below the typical average for this route.
What is the time difference between San Antonio and Porto?
Porto is 6 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 starting from around $2 for economy cars. Top options include:
• Klass Wagen
• Drive on Holiday
• GREEN MOTION
• Goldcar Rental SP
• SURPRICE CAR RENTAL
How much should I expect to pay for a San Antonio to Porto flight?
Round-trip flights from San Antonio to Porto range from $772 to $1,048, with an average of $884 over the past 12 months. Anything below $772 counts as a good deal.

If your dates can be flexible, aim for a Thursday departure instead of Wednesday. On this route, Thursday flights average $663 - about $440 less than Wednesday (40% 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 $589 round-trip in that month - typically $613 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.
- Opo Hotel Porto Aeroporto

More options for your flight from San Antonio to Porto

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SAT - OPO

$333 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

What's the cheapest day of the week to fly from San Antonio to Porto?

What is the cheapest airline 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