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Cheap flights from San Antonio to Portugal from $330

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Antonio to Portugal

Cheap round-trip flights

Logo
10:35 am - 9:15 amSAT-LIS
16h 40m2 stops
Logo
6:30 am - 8:19 pmLIS-SAT
19h 49m2 stops
$607
Find Deal
Tue, Dec 30 - Fri, Jan 30
Logo
10:35 am - 9:15 amSAT-LIS
16h 40m2 stops
Logo
6:30 am - 8:01 pmLIS-SAT
19h 31m2 stops
$608
Find Deal
Tue, Dec 30 - Fri, Jan 30
Logo
9:14 am - 9:15 amSAT-LIS
18h 01m2 stops
Logo
11:10 am - 11:59 pmLIS-SAT
18h 49m2 stops
$609
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
7:07 am - 10:15 amSAT-LIS
21h 08m1 stop
United Airlines Logo
5:00 am - 3:29 pmLIS-SAT
40h 29m2 stops
$638United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
10:00 am - 8:10 amSAT-LIS
16h 10m2 stops
United Airlines Logo
10:50 am - 11:08 pmLIS-SAT
42h 18m2 stops
$643United Airlines
Find Deal
Mon, Feb 23 - Sun, Mar 1
American Airlines Logo
7:00 am - 9:05 amSAT-LIS
20h 05m1 stop
American Airlines Logo
11:10 am - 11:59 pmLIS-SAT
18h 49m2 stops
$715American Airlines
Find Deal
Sun, Oct 19 - Tue, Nov 4
American Airlines Logo
7:50 am - 9:05 amSAT-LIS
19h 15m1 stop
American Airlines Logo
11:05 am - 9:57 pmLIS-SAT
16h 52m1 stop
$975American Airlines
Find Deal
Mon, Sep 29 - Mon, Oct 6
Delta Logo
6:11 pm - 6:40 pmSAT-LIS
18h 29m2 stops
Delta Logo
10:00 am - 11:25 pmLIS-SAT
19h 25m2 stops
$1,030Delta
Find Deal
Fri, Sep 12 - Fri, Sep 19
Delta Logo
6:02 pm - 6:40 pmSAT-LIS
18h 38m2 stops
Delta Logo
10:00 am - 11:25 pmLIS-SAT
19h 25m2 stops
$1,039Delta
Find Deal
Fri, Sep 12 - Fri, Sep 19
British Airways Logo
6:49 pm - 11:10 pmSAT-LIS
22h 21m2 stops
British Airways Logo
6:35 am - 11:00 pmLIS-SAT
22h 25m2 stops
$1,158British Airways
Find Deal
Fri, Sep 12 - Fri, Sep 19

Delta flights from San Antonio to Portugal

Our best Delta deals on San Antonio to Portugal flight tickets
Delta
Sep 12
SAT6:11 pmSan Antonio
18h 29m
2 stops
LIS6:40 pmLisbon Humberto Delgado
Sep 19
LIS10:00 amLisbon Humberto Delgado
19h 25m
2 stops
SAT11:25 pmSan Antonio
$1,030
Find similar
Delta
Sep 5
SAT11:33 amSan Antonio
14h 27m
1 stop
LIS8:00 amLisbon Humberto Delgado
Sep 20
LIS5:40 amLisbon Humberto Delgado
21h 50m
2 stops
SAT9:30 pmSan Antonio
$1,034
Find similar
Delta
Sep 12
SAT6:02 pmSan Antonio
18h 38m
2 stops
LIS6:40 pmLisbon Humberto Delgado
Sep 19
LIS10:00 amLisbon Humberto Delgado
19h 25m
2 stops
SAT11:25 pmSan Antonio
$1,039
Find similar

Air France flights from San Antonio to Portugal

Our best Air France deals on San Antonio to Portugal flight tickets
Air France
Dec 30
SAT2:00 pmSan Antonio
13h 00m
1 stop
LIS9:00 amLisbon Humberto Delgado
Jan 30
LIS10:00 amLisbon Humberto Delgado
19h 33m
2 stops
SAT11:33 pmSan Antonio
$776
Find similar
Air France
Sep 12
SAT11:35 amSan Antonio
14h 25m
1 stop
LIS8:00 amLisbon Humberto Delgado
Sep 19
LIS5:40 amLisbon Humberto Delgado
17h 26m
2 stops
SAT5:06 pmSan Antonio
$1,093
Find similar
Air France
Sep 5
SAT11:33 amSan Antonio
14h 27m
1 stop
LIS8:00 amLisbon Humberto Delgado
Sep 20
LIS12:10 pmLisbon Humberto Delgado
17h 49m
2 stops
SAT11:59 pmSan Antonio
$1,136
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 August 27, 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

Tue 12/30

10:35 am-9:15 am

2 stops16h 40m

Lisbon Humberto Delgado

Fri 1/30

6:30 am-8:19 pm

2 stops19h 49m

$607

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 12/30

10:35 am-9:15 am

2 stops16h 40m

Lisbon Humberto Delgado

Fri 1/30

6:30 am-8:01 pm

2 stops19h 31m

$608

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 11/4

9:14 am-9:15 am

2 stops18h 01m

Lisbon Humberto Delgado

Tue 11/11

11:10 am-11:59 pm

2 stops18h 49m

$609

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 11/4

7:07 am-10:15 am

1 stop21h 08m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-3:29 pm

2 stops40h 29m

$638

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 2/23

10:00 am-8:10 am

2 stops16h 10m

Lisbon Humberto Delgado

Sun 3/1

10:50 am-11:08 pm

2 stops42h 18m

$643

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sun 10/19

7:00 am-9:05 am

1 stop20h 05m

Lisbon Humberto Delgado

Tue 11/4

11:10 am-11:59 pm

2 stops18h 49m

$715

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 9/29

7:50 am-9:05 am

1 stop19h 15m

Lisbon Humberto Delgado

Mon 10/6

11:05 am-9:57 pm

1 stop16h 52m

$975

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 9/12

6:11 pm-6:40 pm

2 stops18h 29m

Lisbon Humberto Delgado

Fri 9/19

10:00 am-11:25 pm

2 stops19h 25m

$1,030

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 9/12

6:02 pm-6:40 pm

2 stops18h 38m

Lisbon Humberto Delgado

Fri 9/19

10:00 am-11:25 pm

2 stops19h 25m

$1,039

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 9/12

6:49 pm-11:10 pm

2 stops22h 21m

Lisbon Humberto Delgado

Fri 9/19

6:35 am-11:00 pm

2 stops22h 25m

$1,158

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 March. Flight prices, which tend to average around $734, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Portugal from San Antonio during February instead. Flights to Portugal in February, while not as cheap as those in March, still average around $767.

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 $1,017 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 $801 on momondo.

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
American AirlinesPriceFrom $607Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $635Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $679Free CancellationRating
7.4
8,945 reviews
Search United Airlines flights
British AirwaysPriceFrom $699Free CancellationRating
6.7
7,310 reviews
Search British Airways flights
IberiaPriceFrom $765Free CancellationRating
7.0
2,892 reviews
Search Iberia 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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