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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
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
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 December 17, 2025.

This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:25 pmSAT - LIS
1 stop15h 50mLufthansa
Wed 12/315:00 amLIS - SAT
2 stops21h 24mLufthansa
Deal found 12/17$1,097
This Travelocity deal was found by Cheapflights users on 12/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:55 pmSAT - LIS
2 stops34h 25mMultiple Airlines
Wed 12/316:10 amLIS - SAT
2 stops20h 50mMultiple Airlines
Deal found 12/17$1,218
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/2512:25 pmSAT - LIS
1 stop15h 50mUnited Airlines
Wed 12/3111:55 amLIS - SAT
1 stop14h 29mUnited Airlines
Deal found 12/17$1,294

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 December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$487
(United Airlines)

One-way from

$402
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$776
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.
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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 ($406 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 17, 2025.
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

Sun 2/8

11:43 am-8:10 am

2 stops14h 27m

Lisbon Humberto Delgado

Tue 2/17

11:20 am-8:28 pm

2 stops39h 08m

$487

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Thu 2/5

11:43 am-8:10 am

2 stops14h 27m

Lisbon Humberto Delgado

Thu 2/19

11:20 am-3:15 pm

2 stops33h 55m

$487

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 2/6

5:59 pm-8:55 am

2 stops32h 56m

Lisbon Humberto Delgado

Sat 2/14

11:20 am-11:12 pm

2 stops41h 52m

$490

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Thu 2/5

12:55 pm-8:00 am

1 stop13h 05m

Lisbon Humberto Delgado

Thu 2/19

11:25 am-12:34 am

2 stops19h 09m

$497

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

12:22 pm-8:00 am

1 stop14h 38m

Lisbon Humberto Delgado

Thu 3/26

10:00 am-12:32 am

2 stops19h 32m

$511

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

9:20 am-9:15 am

2 stops18h 55m

Lisbon Humberto Delgado

Thu 3/26

10:55 am-11:07 pm

2 stops17h 12m

$511

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

12:22 pm-8:00 am

1 stop14h 38m

Lisbon Humberto Delgado

Thu 3/26

10:00 am-11:23 am

1 stop30h 23m

$511

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 3/9

5:24 pm-9:20 am

2 stops34h 56m

$402

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 3/9

12:22 pm-8:00 am

1 stop14h 38m

$419

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 5/27

10:26 am-11:40 am

3 stops43h 14m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 13 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 $506). 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.

What is the cheapest time of day to fly from SAT to PT?

Find hourly flight availability from San Antonio to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

It’s typically best to fly out from San Antonio to Portugal in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

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 December 17, 2025.
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
8,006 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
8,006 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
9,092 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
11,050 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
3,051 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
7,583 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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 13h 05m. United Airlines provides one of the quickest options available for as low as $497. 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 $506). 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 December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$558Average$778FlexibilityNo cancel feeOn-time70%
DeltaCheapest$581Average$920FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$615Average$1,122FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$659Average$1,075FlexibilityNo cancel feeOn-time69%
IberiaCheapest$765Average$802FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$807Average$946FlexibilityNo cancel feeOn-time76%

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