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Portugal

$402+ Cheap flights from San Antonio (SAT) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Antonio to Portugal

Cheapest flights from San Antonio to Portugal
Explore the most affordable flight options available from San Antonio to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
SAT
-
LIS
2 stops20h 05m
United Airlines
Wed 5/65:05 am
LIS
-
SAT
2 stops23h 49m
United Airlines
Deal found 1/27$499
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:40 am
SAT
-
LIS
2 stops16h 40m
United Airlines
Tue 4/285:05 am
LIS
-
SAT
2 stops23h 48m
United Airlines
Deal found 1/28$501
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:43 am
SAT
-
LIS
2 stops16h 32m
United Airlines
Wed 3/1111:55 am
LIS
-
SAT
1 stop13h 58m
United Airlines
Deal found 1/27$508
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/271:40 pm
SAT
-
LIS
2 stops16h 25m
American Airlines
Tue 3/311:05 am
LIS
-
SAT
2 stops17h 49m
American Airlines
Deal found 1/28$509
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:28 pm
SAT
-
LIS
2 stops24h 32m
British Airways
Wed 5/611:00 am
LIS
-
SAT
2 stops18h 54m
British Airways
Deal found 1/28$510
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:55 pm
SAT
-
LIS
1 stop13h 45m
Delta
Wed 3/1111:15 am
LIS
-
SAT
2 stops29h 14m
Delta
Deal found 1/27$513
This KAYAK deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
SAT
-
LIS
1 stop19h 20m
Lufthansa
Wed 5/65:05 am
LIS
-
SAT
2 stops21h 30m
Lufthansa
Deal found 1/28$516
This Expedia deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:29 pm
SAT
-
LIS
2 stops22h 26m
Lufthansa
Fri 5/85:05 am
LIS
-
SAT
2 stops23h 49m
Lufthansa
Deal found 1/28$517
This Booking.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:29 pm
SAT
-
LIS
2 stops22h 26m
Multiple Airlines
Fri 5/81:00 pm
LIS
-
SAT
1 stop14h 18m
Multiple Airlines
Deal found 1/28$527
This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2612:50 pm
SAT
-
TER
2 stops23h 15m
Multiple Airlines
Sun 8/27:10 am
TER
-
SAT
2 stops21h 49m
Multiple Airlines
Deal found 1/28$1,753
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:45 am
SAT
-
TER
3 stops26h 05m
Air Canada
Sun 8/27:10 am
TER
-
SAT
3 stops30h 38m
Air Canada
Deal found 1/28$2,468

Find flight deals from San Antonio to Portugal

Keep the following information in mind while searching for San Antonio to Portugal flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$499
(United Airlines)

One-way from

$402
(KAYAK)

Popular in

June

Cheapest in

January

Average price

$513
Provider with most accurate pricing for San Antonio-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Lisbon Humberto Delgado flights.
Search Deals
From San Antonio to Portugal
Search Deals
One-way flight from San Antonio to Portugal
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($403 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from San Antonio to Portugal that are best for you.

Fly from

San Antonio

Fly to

Portugal

Route

Depart

Return

Price

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 4/28

7:15 am-9:20 am

2 stops20h 05m

Lisbon Humberto Delgado

Wed 5/6

5:05 am-10:54 pm

2 stops23h 49m

$499

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 4/21

9:40 am-8:20 am

2 stops16h 40m

Lisbon Humberto Delgado

Tue 4/28

5:05 am-10:53 pm

2 stops23h 48m

$501

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/3

12:45 pm-8:10 am

1 stop13h 25m

Lisbon Humberto Delgado

Wed 3/11

11:55 am-8:53 pm

1 stop13h 58m

$508

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 4/28

4:28 pm-11:00 pm

2 stops24h 32m

Lisbon Humberto Delgado

Wed 5/6

11:00 am-11:54 pm

2 stops18h 54m

$510

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 3/4

12:55 pm-8:40 am

1 stop13h 45m

Lisbon Humberto Delgado

Wed 3/11

11:15 am-11:29 am

2 stops29h 14m

$513

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 2/25

12:17 pm-8:10 am

2 stops13h 53m

Lisbon Humberto Delgado

Sun 3/1

11:55 am-8:43 am

2 stops26h 48m

$513

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 4/28

5:30 pm-10:45 pm

2 stops23h 15m

Lisbon Humberto Delgado

Wed 5/6

12:20 pm-8:35 pm

1 stop14h 15m

$542

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 4/28

1:42 pm-10:45 am

1 stop15h 03m

Lisbon Humberto Delgado

Wed 5/6

5:00 am-5:17 pm

2 stops18h 17m

$582

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 2/27

7:05 am-10:15 am

1 stop21h 10m

Lisbon Humberto Delgado

Tue 3/3

11:55 am-8:28 pm

1 stop14h 33m

$593

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 5/1

5:29 pm-9:20 am

2 stops33h 51m

Lisbon Humberto Delgado

Fri 5/8

11:25 am-8:35 pm

3 stops39h 10m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 19 results
1
2

Best time to book a flight from San Antonio to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Portugal

What is the cheapest month to book a flight from San Antonio to Portugal?

Currently, January is the cheapest month in which you can book a flight from San Antonio to Portugal (average of $465). Flying from San Antonio to Portugal in June is currently the most expensive (average of $787). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from San Antonio to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,100 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,705 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to Portugal?

    San Antonio (SAT) is the airport you will fly out of if you book a flight from San Antonio to Portugal. It is only a 7.6 mi journey to San Antonio (SAT) from San Antonio’s city center.

  • How long is the flight from San Antonio to Portugal?

    A quick flight from San Antonio to Portugal can take about 20h 05m. United Airlines provides one of the quickest options available for as low as $499. Airlines will cover a distance of 4940 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from San Antonio to Portugal that include hotel bookings?

    Yes. In addition to deals on San Antonio to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Portugal.

  • Can I find deals for business class flights from San Antonio to Portugal?

    Yes. Cheapflights offers flight deals from San Antonio to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Portugal?

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Portugal (average of $465). Flying from San Antonio to Portugal in June is currently the most expensive (average of $787). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from San Antonio to Portugal

Discover the top 6 airlines that operate flights from San Antonio to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$445Average$776FlexibilityNo cancel feeOn-time70%
DeltaCheapest$578Average$927FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$615Average$1,023FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$648Average$1,074FlexibilityNo cancel feeOn-time69%
IberiaCheapest$765Average$802FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$807Average$946FlexibilityNo cancel feeOn-time76%

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