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Cheap flights from San Antonio to Portugal from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Portugal departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:00 pm - 2:55 pm
SAT
-
LIS
15h 55m
2 stops
American Airlines Logo
6:30 am - 7:10 pm
LIS
-
SAT
17h 40m
2 stops
$443American Airlines
seg, fev 23 - qua, mar 11
Virgin Atlantic Logo
6:27 pm - 8:00 am
SAT
-
LIS
31h 33m
2 stops
Virgin Atlantic Logo
10:00 am - 11:30 am
LIS
-
SAT
30h 30m
1 stop
$445Virgin Atlantic
seg, fev 23 - qua, mar 11
British Airways Logo
6:27 am - 2:30 pm
SAT
-
LIS
26h 03m
2 stops
British Airways Logo
6:45 pm - 10:52 pm
LIS
-
SAT
34h 07m
2 stops
$446British Airways
ter, abr 21 - ter, abr 28
Virgin Atlantic Logo
12:55 pm - 9:00 am
SAT
-
LIS
14h 05m
1 stop
Virgin Atlantic Logo
10:00 am - 11:30 am
LIS
-
SAT
30h 30m
1 stop
$447Virgin Atlantic
seg, fev 23 - qua, mar 11
Virgin Atlantic Logo
12:55 pm - 9:00 am
SAT
-
LIS
14h 05m
1 stop
Virgin Atlantic Logo
10:00 am - 11:30 am
LIS
-
SAT
30h 30m
1 stop
$448Virgin Atlantic
seg, fev 23 - qua, mar 11
Delta Logo
6:30 am - 8:00 am
SAT
-
LIS
19h 30m
2 stops
Delta Logo
10:00 am - 12:38 am
LIS
-
SAT
19h 38m
2 stops
$450Delta
seg, fev 23 - qua, mar 11
Air Canada Logo
7:25 am - 9:20 am
SAT
-
LIS
43h 55m
2 stops
Air Canada Logo
10:55 am - 1:18 pm
LIS
-
SAT
32h 23m
2 stops
$456Air Canada
sáb, jan 24 - sex, fev 13
British Airways Logo
4:28 pm - 3:35 pm
SAT
-
LIS
17h 07m
2 stops
British Airways Logo
7:10 am - 8:59 pm
LIS
-
SAT
19h 49m
2 stops
$458British Airways
ter, abr 21 - ter, abr 28
British Airways Logo
5:20 pm - 5:40 pm
SAT
-
LIS
18h 20m
2 stops
British Airways Logo
7:05 am - 10:15 pm
LIS
-
SAT
21h 10m
2 stops
$483British Airways
ter, fev 10 - dom, fev 15
Lufthansa Logo
7:06 am - 8:10 am
SAT
-
LIS
19h 04m
1 stop
Lufthansa Logo
10:55 am - 1:18 pm
LIS
-
SAT
32h 23m
2 stops
$488Lufthansa
sáb, jan 24 - sex, fev 13

American Airlines flights from San Antonio to Portugal

Our best American Airlines deals on San Antonio to Portugal flight tickets
American Airlines
Feb 23
SAT5:00 pmSan Antonio
15h 55m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Mar 11
LIS6:30 amLisbon Humberto Delgado
17h 40m
2 stops
SAT7:10 pmSan Antonio
$443
American Airlines
Apr 21
SAT7:00 amSan Antonio
20h 05m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 28
LIS11:05 amLisbon Humberto Delgado
15h 53m
1 stop
SAT8:58 pmSan Antonio
$763

British Airways flights from San Antonio to Portugal

Our best British Airways deals on San Antonio to Portugal flight tickets
British Airways
Apr 21
SAT6:27 amSan Antonio
26h 03m
2 stops
LIS2:30 pmLisbon Humberto Delgado
Apr 28
LIS6:45 pmLisbon Humberto Delgado
34h 07m
2 stops
SAT10:52 pmSan Antonio
$446
British Airways
Apr 21
SAT4:28 pmSan Antonio
17h 07m
2 stops
LIS3:35 pmLisbon Humberto Delgado
Apr 28
LIS7:10 amLisbon Humberto Delgado
19h 49m
2 stops
SAT8:59 pmSan Antonio
$458
British Airways
Feb 10
SAT5:20 pmSan Antonio
18h 20m
2 stops
LIS5:40 pmLisbon Humberto Delgado
Feb 15
LIS7:05 amLisbon Humberto Delgado
21h 10m
2 stops
SAT10:15 pmSan Antonio
$483

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated janeiro 14, 2026.
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

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

seg 2/23

5:00 pm-2:55 pm

2 stops15h 55m

Lisbon Humberto Delgado

qua 3/11

6:30 am-7:10 pm

2 stops17h 40m

$443

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

seg 2/23

6:27 pm-8:00 am

2 stops31h 33m

Lisbon Humberto Delgado

qua 3/11

10:00 am-11:30 am

1 stop30h 30m

$445

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

ter 4/21

6:27 am-2:30 pm

2 stops26h 03m

Lisbon Humberto Delgado

ter 4/28

6:45 pm-10:52 pm

2 stops34h 07m

$446

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

seg 2/23

12:55 pm-9:00 am

1 stop14h 05m

Lisbon Humberto Delgado

qua 3/11

10:00 am-11:30 am

1 stop30h 30m

$447

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

seg 2/23

12:55 pm-9:00 am

1 stop14h 05m

Lisbon Humberto Delgado

qua 3/11

10:00 am-11:30 am

1 stop30h 30m

$448

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

seg 2/23

6:30 am-8:00 am

2 stops19h 30m

Lisbon Humberto Delgado

qua 3/11

10:00 am-12:38 am

2 stops19h 38m

$450

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

sáb 1/24

7:25 am-9:20 am

2 stops43h 55m

Lisbon Humberto Delgado

sex 2/13

10:55 am-1:18 pm

2 stops32h 23m

$456

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

ter 4/21

4:28 pm-3:35 pm

2 stops17h 07m

Lisbon Humberto Delgado

ter 4/28

7:10 am-8:59 pm

2 stops19h 49m

$458

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

ter 2/10

5:20 pm-5:40 pm

2 stops18h 20m

Lisbon Humberto Delgado

dom 2/15

7:05 am-10:15 pm

2 stops21h 10m

$483

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

sáb 1/24

7:06 am-8:10 am

1 stop19h 04m

Lisbon Humberto Delgado

sex 2/13

10:55 am-1:18 pm

2 stops32h 23m

$488

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 January. Flight prices, which tend to average around $513, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from San Antonio during November instead. Flights to Portugal in November, while not as cheap as those in January, still average around $720.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $955 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from San Antonio for as low as $417 on momondo.

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

You could potentially save up to 46% 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

Fastest flight time

14h 05m

Direct flights

None
The fastest flight from San Antonio to Portugal takes 14h 05m
There are no direct flights from San Antonio to Portugal. There are no popular flight routes from San Antonio to Portugal.
Search flight deals

  • 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
British AirwaysPriceFrom $558Free CancellationRating
6.7
7,671 reviews
Search British Airways flights
DeltaPriceFrom $578Free CancellationRating
7.9
8,040 reviews
Search Delta flights
American AirlinesPriceFrom $615Free CancellationRating
7.2
11,120 reviews
Search American Airlines flights
United AirlinesPriceFrom $655Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
IberiaPriceFrom $765Free CancellationRating
7.0
3,086 reviews
Search Iberia flights
LufthansaPriceFrom $807Free CancellationRating
6.8
7,711 reviews
Search Lufthansa 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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