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Cheap flights from San Antonio to Portugal from $326

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:45 pm - 9:30 amSAT  San Antonio-OPO Porto
12h 45m1 stop Newark
United Airlines Logo
6:00 am - 8:54 amOPO  Porto-SAT San Antonio
32h 54m2 stops Frankfurt am Main Houston George Bush Intcntl
$721United Airlines
Mon, Mar 8 - Thu, Mar 11
United Airlines Logo
7:00 am - 9:30 amSAT  San Antonio-OPO Porto
20h 30m1 stop Newark
United Airlines Logo
6:00 am - 11:43 pmOPO  Porto-SAT San Antonio
23h 43m2 stops Frankfurt am Main Denver Intl
$721United Airlines
Sun, Mar 7 - Thu, Mar 11
United Airlines Logo
6:43 am - 9:30 amSAT  San Antonio-OPO Porto
20h 47m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 9:13 pmOPO  Porto-SAT San Antonio
21h 13m2 stops Frankfurt am Main Houston George Bush Intcntl
$725United Airlines
Mon, Mar 8 - Thu, Mar 11
United Airlines Logo
6:43 am - 9:30 amSAT  San Antonio-OPO Porto
20h 47m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 9:13 pmOPO  Porto-SAT San Antonio
21h 13m2 stops Frankfurt am Main Houston George Bush Intcntl
$725United Airlines
Sun, Mar 7 - Thu, Mar 11
United Airlines Logo
6:17 am - 8:10 amSAT  San Antonio-LIS Lisbon Humberto Delgado
19h 53m1 stop Newark
United Airlines Logo
12:50 pm - 11:18 pmLIS  Lisbon Humberto Delgado-SAT San Antonio
40h 28m3 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Reagan-National Chicago O'Hare Intl
$727United Airlines
Wed, Feb 17 - Tue, Mar 2
British Airways Logo
2:28 pm - 4:45 pmSAT  San Antonio-OPO Porto
20h 17m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
8:20 am - 10:00 pmOPO  Porto-SAT San Antonio
19h 40m2 stops Madrid Barajas Dallas/Fort Worth
$729British Airways
Sun, Mar 7 - Fri, Mar 12
United Airlines Logo
2:45 pm - 9:30 amSAT  San Antonio-OPO Porto
12h 45m1 stop Newark
United Airlines Logo
12:35 pm - 9:29 pmOPO  Porto-SAT San Antonio
14h 54m1 stop Newark
$730United Airlines
Mon, Mar 8 - Thu, Mar 11
United Airlines Logo
7:00 am - 9:30 amSAT  San Antonio-OPO Porto
20h 30m1 stop Newark
United Airlines Logo
12:35 pm - 9:29 pmOPO  Porto-SAT San Antonio
14h 54m1 stop Newark
$730United Airlines
Sun, Mar 7 - Thu, Mar 11
Lufthansa Logo
12:17 pm - 2:50 pmSAT  San Antonio-LIS Lisbon Humberto Delgado
20h 33m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
Lufthansa Logo
5:00 am - 8:57 pmLIS  Lisbon Humberto Delgado-SAT San Antonio
21h 57m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$731Lufthansa
Wed, Feb 17 - Tue, Mar 2
United Airlines Logo
5:30 am - 9:30 amSAT  San Antonio-OPO Porto
46h 00m2 stops Houston George Bush Intcntl Newark
United Airlines Logo
6:00 am - 10:48 amOPO  Porto-SAT San Antonio
34h 48m2 stops Frankfurt am Main Houston George Bush Intcntl
$731United Airlines
Sat, Mar 6 - Thu, Mar 11

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Delta flights from San Antonio to Portugal

Our best Delta deals on San Antonio to Portugal flight tickets
Delta
Feb 17
SAT1:05 pmSan Antonio
12h 55m
1 stop
LIS8:00 amLisbon Humberto Delgado
Mar 2
LIS5:00 amLisbon Humberto Delgado
22h 17m
2 stops
SAT9:17 pmSan Antonio
$736
Delta
Feb 17
SAT1:05 pmSan Antonio
16h 15m
2 stops
LIS11:20 amLisbon Humberto Delgado
Mar 2
LIS5:00 amLisbon Humberto Delgado
22h 17m
2 stops
SAT9:17 pmSan Antonio
$739
Delta
Mar 7
SAT1:00 pmSan Antonio
13h 00m
1 stop
LIS8:00 amLisbon Humberto Delgado
Mar 12
LIS10:55 amLisbon Humberto Delgado
32h 13m
1 stop
SAT1:08 pmSan Antonio
$753

United Airlines flights from San Antonio to Portugal

Our best United Airlines deals on San Antonio to Portugal flight tickets
United Airlines
Mar 7
SAT7:00 amSan Antonio
20h 30m
1 stop
OPO9:30 amPorto
Mar 11
OPO6:00 amPorto
23h 43m
2 stops
SAT11:43 pmSan Antonio
$721
United Airlines
Mar 7
SAT6:43 amSan Antonio
20h 47m
2 stops
OPO9:30 amPorto
Mar 11
OPO6:00 amPorto
21h 13m
2 stops
SAT9:13 pmSan Antonio
$725
United Airlines
Feb 17
SAT6:17 amSan Antonio
19h 53m
1 stop
LIS8:10 amLisbon Humberto Delgado
Mar 2
LIS12:50 pmLisbon Humberto Delgado
40h 28m
3 stops
SAT11:18 pmSan Antonio
$727

momondo Fare Finder

 
Use the filters below to find and compare flights from San Antonio to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioPorto

SAT San Antonio - OPO Porto

SATOPO

San Antonio

Mon 3/8

2:45 pm-9:30 am

1 stop12h 45m

Porto

Thu 3/11

6:00 am-8:54 am

2 stops32h 54m

$721

San AntonioPorto

SAT San Antonio - OPO Porto

SATOPO

San Antonio

Sun 3/7

7:00 am-9:30 am

1 stop20h 30m

Porto

Thu 3/11

6:00 am-11:43 pm

2 stops23h 43m

$721

San AntonioPorto

SAT San Antonio - OPO Porto

SATOPO

San Antonio

Mon 3/8

6:43 am-9:30 am

2 stops20h 47m

Porto

Thu 3/11

6:00 am-9:13 pm

2 stops21h 13m

$725

San AntonioPorto

SAT San Antonio - OPO Porto

SATOPO

San Antonio

Sun 3/7

6:43 am-9:30 am

2 stops20h 47m

Porto

Thu 3/11

6:00 am-9:13 pm

2 stops21h 13m

$725

San AntonioLisbon

SAT San Antonio - LIS Lisbon Humberto Delgado

SATLIS

San Antonio

Wed 2/17

6:17 am-8:10 am

1 stop19h 53m

Lisbon Humberto Delgado

Tue 3/2

12:50 pm-11:18 pm

3 stops40h 28m

$727

San AntonioPorto

SAT San Antonio - OPO Porto

SATOPO

San Antonio

Sun 3/7

2:28 pm-4:45 pm

2 stops20h 17m

Porto

Fri 3/12

8:20 am-10:00 pm

2 stops19h 40m

$729
Quickest round-trip

San AntonioPorto

SAT San Antonio - OPO Porto

SATOPO

San Antonio

Mon 3/8

2:45 pm-9:30 am

1 stop12h 45m

Porto

Thu 3/11

12:35 pm-9:29 pm

1 stop14h 54m

$730

San AntonioPorto

SAT San Antonio - OPO Porto

SATOPO

San Antonio

Sun 3/7

7:00 am-9:30 am

1 stop20h 30m

Porto

Thu 3/11

12:35 pm-9:29 pm

1 stop14h 54m

$730

San AntonioLisbon

SAT San Antonio - LIS Lisbon Humberto Delgado

SATLIS

San Antonio

Wed 2/17

12:17 pm-2:50 pm

2 stops20h 33m

Lisbon Humberto Delgado

Tue 3/2

5:00 am-8:57 pm

2 stops21h 57m

$731

San AntonioPorto

SAT San Antonio - OPO Porto

SATOPO

San Antonio

Sat 3/6

5:30 am-9:30 am

2 stops46h 00m

Porto

Thu 3/11

6:00 am-10:48 am

2 stops34h 48m

$731

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from San Antonio to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from San Antonio is in October. Flight prices, which tend to average around $670, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Portugal from San Antonio during January instead. Flights to Portugal in January, while not as cheap as those in October, still average around $692.

Can stopping save me money on San Antonio to Portugal flights?

You could potentially save up to 37% on your flight if you consider stops on a San Antonio to Portugal flight.

Cheap San Antonio to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Portugal

Best Price Found

$326

Fastest flight time

12h 55m

Direct flights

None
The best one-way flight to Portugal from San Antonio in the past 72 hours is $326. The best round-trip flight deal from San Antonio to Portugal found on momondo in the last 72 hours is $721.
The fastest flight from San Antonio to Portugal takes 12h 55m
There are no direct flights from San Antonio to Portugal. There are no popular flight routes from San Antonio to Portugal.
Search flight deals

Frequently asked questions about flying from San Antonio to Portugal

  • When did momondo last update prices for flights from San Antonio Airport to Portugal?

    Prices for flights from San Antonio Airport to Portugal refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Portugal?

  • How old do you have to be to fly from San Antonio Airport to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Antonio Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Antonio to Portugal

Compare and see reviews for airlines that fly from San Antonio to Portugal with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $522Free CancellationRating
7.0
12,230 reviews
Search American Airlines flights
United AirlinesPriceFrom $600Free CancellationRating
7.3
10,459 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Portugal?

It is quick and easy to find San Antonio to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.

Can I find flights from San Antonio to Portugal with flexible booking policies on momondo?

Flights from San Antonio to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Antonio to Portugal?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Portugal.

I’m not ready to book a flight from San Antonio to Portugal right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Antonio to Portugal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Portugal

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