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Cheap flights from San Antonio to Portugal from $500

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Portugal departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:55 pm - 3:10 pmSAT-LIS
20h 15m2 stops
Delta Logo
5:00 am - 8:25 pmLIS-SAT
21h 25m2 stops
$500Delta
Find Deal
Wed, Feb 4 - Wed, Feb 11
KLM Logo
12:30 pm - 8:00 amSAT-LIS
14h 30m1 stop
KLM Logo
10:40 am - 10:32 pmLIS-SAT
16h 52m2 stops
$510KLM
Find Deal
Tue, Mar 10 - Thu, Mar 26
Multiple Airlines Logo
2:00 pm - 11:20 amSAT-LIS
16h 20m2 stops
Multiple Airlines Logo
10:40 am - 10:32 pmLIS-SAT
16h 52m2 stops
$514Multiple Airlines
Find Deal
Tue, Mar 10 - Thu, Mar 26
Lufthansa Logo
5:24 pm - 11:30 pmSAT-LIS
25h 06m2 stops
Lufthansa Logo
5:00 am - 11:57 pmLIS-SAT
23h 57m2 stops
$559Lufthansa
Find Deal
Tue, Mar 10 - Thu, Mar 26
Delta Logo
6:19 pm - 8:00 amSAT-LIS
31h 41m2 stops
Delta Logo
5:00 am - 12:41 amLIS-SAT
25h 41m2 stops
$569Delta
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Sat, Jan 10 - Sat, Jan 24
United Airlines Logo
12:17 pm - 10:15 amSAT-LIS
16h 58m1 stop
United Airlines Logo
11:55 am - 10:47 amLIS-SAT
27h 52m2 stops
$579United Airlines
Find Deal
Tue, Mar 10 - Thu, Mar 26
KLM Logo
12:55 pm - 8:00 amSAT-LIS
13h 05m1 stop
KLM Logo
11:25 am - 12:41 amLIS-SAT
19h 16m2 stops
$593KLM
Find Deal
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
12:12 pm - 10:15 amSAT-LIS
16h 03m1 stop
United Airlines Logo
5:00 am - 11:00 pmLIS-SAT
24h 00m2 stops
$611United Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7
KLM Logo
12:30 pm - 8:00 amSAT-LIS
14h 30m1 stop
KLM Logo
10:00 am - 11:10 amLIS-SAT
30h 10m1 stop
$613KLM
Find Deal
Tue, Mar 10 - Thu, Mar 26
United Airlines Logo
12:12 pm - 10:15 amSAT-LIS
16h 03m1 stop
United Airlines Logo
11:55 am - 8:15 pmLIS-SAT
14h 20m1 stop
$625United Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7

Air Canada flights from San Antonio to Portugal

Our best Air Canada deals on San Antonio to Portugal flight tickets
Air Canada
Nov 23
SAT5:13 pmSan Antonio
34h 07m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 9
LIS11:20 amLisbon Humberto Delgado
35h 17m
2 stops
SAT4:37 pmSan Antonio
$561
Find similar
Air Canada
Nov 21
SAT12:49 pmSan Antonio
38h 06m
2 stops
LIS8:55 amLisbon Humberto Delgado
Nov 29
LIS11:20 amLisbon Humberto Delgado
38h 55m
2 stops
SAT8:15 pmSan Antonio
$2,198
Find similar
Air Canada
Nov 21
SAT12:49 pmSan Antonio
38h 06m
2 stops
LIS8:55 amLisbon Humberto Delgado
Nov 29
LIS11:20 amLisbon Humberto Delgado
38h 55m
2 stops
SAT8:15 pmSan Antonio
$2,301
Find similar

Lufthansa flights from San Antonio to Portugal

Our best Lufthansa deals on San Antonio to Portugal flight tickets
Lufthansa
Mar 10
SAT5:24 pmSan Antonio
25h 06m
2 stops
LIS11:30 pmLisbon Humberto Delgado
Mar 26
LIS5:00 amLisbon Humberto Delgado
23h 57m
2 stops
SAT11:57 pmSan Antonio
$559
Find similar
Lufthansa
Apr 21
SAT5:19 pmSan Antonio
23h 26m
2 stops
LIS10:45 pmLisbon Humberto Delgado
Apr 28
LIS5:05 amLisbon Humberto Delgado
24h 13m
2 stops
SAT11:18 pmSan Antonio
$644
Find similar
Lufthansa
Nov 23
SAT12:12 pmSan Antonio
16h 03m
1 stop
LIS10:15 amLisbon Humberto Delgado
Dec 9
LIS5:00 amLisbon Humberto Delgado
21h 15m
2 stops
SAT8:15 pmSan Antonio
$761
Find similar

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 November 16, 2025.
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

Wed 2/4

12:55 pm-3:10 pm

2 stops20h 15m

Lisbon Humberto Delgado

Wed 2/11

5:00 am-8:25 pm

2 stops21h 25m

$500

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

12:30 pm-8:00 am

1 stop14h 30m

Lisbon Humberto Delgado

Thu 3/26

10:40 am-10:32 pm

2 stops16h 52m

$510

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

2:00 pm-11:20 am

2 stops16h 20m

Lisbon Humberto Delgado

Thu 3/26

10:40 am-10:32 pm

2 stops16h 52m

$514

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

5:24 pm-11:30 pm

2 stops25h 06m

Lisbon Humberto Delgado

Thu 3/26

5:00 am-11:57 pm

2 stops23h 57m

$559

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sat 1/10

6:19 pm-8:00 am

2 stops31h 41m

Lisbon Humberto Delgado

Sat 1/24

5:00 am-12:41 am

2 stops25h 41m

$569

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

12:17 pm-10:15 am

1 stop16h 58m

Lisbon Humberto Delgado

Thu 3/26

11:55 am-10:47 am

2 stops27h 52m

$579

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 2/4

12:55 pm-8:00 am

1 stop13h 05m

Lisbon Humberto Delgado

Wed 2/11

11:25 am-12:41 am

2 stops19h 16m

$593

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 12/1

12:12 pm-10:15 am

1 stop16h 03m

Lisbon Humberto Delgado

Sun 12/7

5:00 am-11:00 pm

2 stops24h 00m

$611

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

12:30 pm-8:00 am

1 stop14h 30m

Lisbon Humberto Delgado

Thu 3/26

10:00 am-11:10 am

1 stop30h 10m

$613

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 12/1

12:12 pm-10:15 am

1 stop16h 03m

Lisbon Humberto Delgado

Sun 12/7

11:55 am-8:15 pm

1 stop14h 20m

$625

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $598, 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 February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $679.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Thursday is the cheapest day to fly to Portugal from San Antonio. The lowest ticket price found for a Thursday departure recently was $939. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,226.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from San Antonio to Portugal during this time can be as low as $822. In the morning is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,206 per ticket.

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 $962 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 $913 on momondo.

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

You could potentially save up to 35% 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

Direct flights

None
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
7,527 reviews
Search British Airways flights
American AirlinesPriceFrom $607Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $629Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $676Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
IberiaPriceFrom $765Free CancellationRating
7.0
3,018 reviews
Search Iberia flights
LufthansaPriceFrom $807Free CancellationRating
6.8
7,576 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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Find better results for your trip to Portugal

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