$575 Flight Deals from San Antonio to Porto

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... and +100s more

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Stops

Up to 2 stops
$632

Airlines

American Airlines
$807
Brussels Airlines
$639
Finnair
$818
IBERIA
$862
Lufthansa
$637
SWISS
$632

Cabin Class

Economy
$632

Departure Airports

San Antonio International Airport
$632

Arrival Airports

Francisco de Sá Carneiro Airport
$632

Layover Airports

Adolfo Suárez Madrid–Barajas Airport
$807
Brussels Airport
$639
Charlotte Douglas International Airport
$807
Chicago O Hare Airport
$639
Dallas Fort Worth International Airport
$818
Denver International Airport
$632
Frankfurt am Main Airport
$632
Washington Dulles Airport
$632
Zürich Airport
$632

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BUNDLE & SAVE

Book a flight & hotel together for extra savings.

On average save $240 per traveler

SWISS

01/06/26

12:10pm

SAT

23h 5m

IAD

ZRH

01/07/26

11:15am

OPO

SWISS

01/27/26

6:00am

OPO

15h 7m

FRA

DEN

01/27/26

9:07pm

SAT

^$632

Lufthansa

01/06/26

1:42pm

SAT

32h 43m

DEN

FRA

01/07/26

10:25pm

OPO

Lufthansa

01/27/26

6:00am

OPO

15h 7m

FRA

DEN

01/27/26

9:07pm

SAT

^$637

Brussels Airlines

01/06/26

7:00am

SAT

29h 5m

ORD

BRU

01/07/26

12:05pm

OPO

Brussels Airlines

01/27/26

6:00am

OPO

14h 15m

FRA

IAD

01/27/26

8:15pm

SAT

^$639

Lufthansa

01/06/26

1:42pm

SAT

25h 3m

DEN

FRA

01/07/26

2:45pm

OPO

Lufthansa

01/27/26

6:00am

OPO

14h 15m

FRA

IAD

01/27/26

8:15pm

SAT

^$789

American Airlines

01/06/26

6:14am

SAT

33h 46m

ORD

MAD

01/07/26

4:00pm

OPO

American Airlines

01/27/26

8:20am

OPO

11h 59m

MAD

CLT

01/27/26

8:19pm

SAT

^$807

Finnair

01/06/26

2:36pm

SAT

21h 9m

DFW

MAD

01/07/26

11:45am

OPO

Finnair

01/27/26

8:20am

OPO

11h 59m

MAD

CLT

01/27/26

8:19pm

SAT

^$818

Brussels Airlines

01/06/26

12:10pm

SAT

23h 55m

IAD

BRU

01/07/26

12:05pm

OPO

Brussels Airlines

01/27/26

6:00am

OPO

14h 15m

FRA

IAD

01/27/26

8:15pm

SAT

^$834

IBERIA

01/06/26

2:36pm

SAT

21h 9m

DFW

MAD

01/07/26

11:45am

OPO

IBERIA

01/27/26

8:20am

OPO

15h 11m

MAD

ORD

01/27/26

11:31pm

SAT

^$862

IBERIA

01/06/26

2:36pm

SAT

21h 9m

DFW

MAD

01/07/26

11:45am

OPO

IBERIA

01/27/26

8:20am

OPO

11h 41m

MAD

DFW

01/27/26

8:01pm

SAT

^$873

SWISS

01/06/26

7:30am

SAT

27h 45m

IAD

ZRH

01/07/26

11:15am

OPO

SWISS

01/27/26

6:00am

OPO

14h 15m

FRA

IAD

01/27/26

8:15pm

SAT

^$1136

IBERIA

01/06/26

2:36pm

SAT

21h 9m

DFW

MAD

01/07/26

11:45am

OPO

IBERIA

01/27/26

8:20am

OPO

11h 59m

MAD

CLT

01/27/26

8:19pm

SAT

^$1187

Finnair

01/06/26

2:36pm

SAT

25h 24m

DFW

MAD

01/07/26

4:00pm

OPO

Finnair

01/27/26

8:20am

OPO

11h 59m

MAD

CLT

01/27/26

8:19pm

SAT

^$2390

Top Deals on flights from San Antonio to Porto

San Antonio, US (SAT) - Porto, PT (OPO)

Jul 14

9:56am

SAT

20h 59m

IAH

EWR

Jul 15

6:55am

OPO

as low as

$575

San Antonio, US (SAT) - Porto, PT (OPO)

Jul 14

6:45am

SAT

26h 50m

ORD

YUL

Jul 15

9:35am

OPO

as low as

$575

San Antonio, US (SAT) - Porto, PT (OPO)

Jul 14

7:08am

SAT

26h 37m

EWR

Jul 15

9:45am

OPO

as low as

$575

San Antonio, US (SAT) - Porto, PT (OPO)

Jul 4

6:45am

SAT

24h 5m

ORD

EWR

Jul 5

6:50am

OPO

as low as

$642

San Antonio, US (SAT) - Porto, PT (OPO)

Jul 4

7:08am

SAT

23h 42m

EWR

Jul 5

6:50am

OPO

as low as

$642

San Antonio, US (SAT) - Porto, PT (OPO)

Jul 4

12:55pm

SAT

44h 40m

ORD

YUL

Jul 6

9:35am

OPO

as low as

$659

San Antonio, US (SAT) - Porto, PT (OPO)

Lufthansa

Jul 4

12:13pm

SAT

23h 2m

IAH

FRA

Jul 5

11:15am

OPO

as low as

$793

San Antonio, US (SAT) - Porto, PT (OPO)

American Airlines

Jul 14

5:20pm

SAT

26h 35m

DFW

MAD

Jul 15

7:55pm

OPO

as low as

$796

San Antonio, US (SAT) - Porto, PT (OPO)

American Airlines

Jul 4

4:01pm

SAT

27h 54m

DFW

MAD

Jul 5

7:55pm

OPO

as low as

$806

San Antonio, US (SAT) - Porto, PT (OPO)

Jul 14

6:12pm

SAT

37h 23m

DFW

MAD

Jul 16

7:35am

OPO

as low as

$817

San Antonio, US (SAT) - Porto, PT (OPO)

IBERIA

Jul 4

4:01pm

SAT

27h 54m

DFW

MAD

Jul 5

7:55pm

OPO

as low as

$820

San Antonio, US (SAT) - Porto, PT (OPO)

Brussels Airlines

Jul 14

11:58am

SAT

24h 7m

IAD

BRU

Jul 15

12:05pm

OPO

as low as

$877

Priceline Phone Deals

Book with an agent for great rates!
Call now!

1 (888) 775-6158

Frequently Asked Questions

What are the most convenient layover airports for the flight?

For your flight from San Antonio to Porto, convenient layover airports include Washington Dulles, Zürich, Denver International, Frankfurt am Main, and Chicago O'Hare.

What is the cheapest and fastest flight from San Antonio to Porto?

The cheapest flight is with SWISS for $632, taking 23 hours 5 minutes. The fastest is with Finnair for $818, taking 21 hours 9 minutes.

What are all possible destination arrival airports?

The possible destination arrival airport is Francisco de Sá Carneiro Airport, with layover airports being Washington Dulles Airport, Zürich Airport, Denver International Airport, Frankfurt am Main Airport, Chicago O'Hare Airport, and Adolfo Suárez Madrid–Barajas Airport.

What is the time difference between destination and arrival?

The time difference between San Antonio and Porto is typically 6 hours, with Porto being ahead. Your total travel time will depend on layovers and flight duration.

Is there a direct flight from San Antonio to Porto?

There is no direct flight from San Antonio International Airport to Francisco de Sá Carneiro Airport. The cheapest flight with SWISS has 2 stops for $632, and several airlines offer 2 stops options.

Are there convenient layover flights from San Antonio to Porto?

Yes, there are convenient 2 stops flights including SWISS for $632, Lufthansa for $637, Brussels Airlines for $639, British Airways for $644, and American Airlines for $807.

Flights to Porto

Flights
Europe
Portugal
Porto

Flight Deals from San Antonio to Porto from $575

Stops

Airlines

Cabin Class

Departure Airports

Arrival Airports

Layover Airports

Best Price. GUARANTEED.

Top Deals on flights from San Antonio to Porto

Priceline Phone Deals

Frequently Asked Questions

Flights to Porto