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Portugal

$468+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$581
(United Airlines)

One-way from

$468
(United Airlines)

Popular in

July

Cheapest in

March

Average price

$1,490
From San Antonio to Portugal
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One-way flight from San Antonio to Portugal
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Highest demand for flights based on searches. 22% potential increase in price ($313 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 12/15:00 pmSAT - LIS
2 stops34h 20mUnited Airlines
Thu 12/1111:00 amLIS - SAT
2 stops34h 38mUnited Airlines
Deal found 6/11$581
This KAYAK deal was found by Cheapflights users on 6/11. 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.
Wed 10/2210:14 amSAT - LIS
2 stops31h 11mBritish Airways
Sun 11/28:45 pmLIS - SAT
2 stops29h 17mBritish Airways
Deal found 6/11$709
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Fri 8/15:20 pmSAT - LIS
2 stops59h 45mAir Canada
Wed 9/2412:50 pmLIS - SAT
2 stops27h 59mAir Canada
Deal found 6/10$761
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/296:12 pmSAT - LIS
2 stops15h 53mIberia
Mon 9/2212:30 pmLIS - SAT
2 stops40h 30mIberia
Deal found 6/10$786
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/212:39 pmSAT - LIS
2 stops18h 46mFinnair
Sun 11/304:10 pmLIS - SAT
2 stops31h 40mFinnair
Deal found 6/10$944
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:38 pmSAT - LIS
2 stops29h 52mMultiple Airlines
Wed 9/246:00 pmLIS - SAT
1 stop29h 43mMultiple Airlines
Deal found 6/10$964
This American Airlines deal was found by Cheapflights users on 6/11. 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 10/37:50 amSAT - LIS
1 stop19h 15mAmerican Airlines
Sun 10/1212:30 pmLIS - SAT
2 stops16h 21mAmerican Airlines
Deal found 6/11$982
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:00 amSAT - LIS
1 stop21h 30mLufthansa
Thu 9/2512:20 pmLIS - SAT
1 stop13h 45mLufthansa
Deal found 6/10$1,024
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:00 amSAT - LIS
2 stops22h 45mAer Lingus
Sat 9/1310:15 pmLIS - SAT
2 stops31h 42mAer Lingus
Deal found 6/11$1,077
This KAYAK deal was found by Cheapflights users on 6/10. 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.
Mon 10/1311:55 amSAT - TER
2 stops30h 20mMultiple Airlines
Wed 10/227:15 amTER - SAT
2 stops17h 50mMultiple Airlines
Deal found 6/10$7,815

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 June 12, 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

Mon 12/1

5:00 pm-9:20 am

2 stops34h 20m

Lisbon Humberto Delgado

Thu 12/11

11:00 am-3:38 pm

2 stops34h 38m

$581

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 10/22

10:14 am-11:25 pm

2 stops31h 11m

Lisbon Humberto Delgado

Sun 11/2

8:45 pm-8:02 pm

2 stops29h 17m

$709

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 8/1

5:20 pm-11:05 am

2 stops59h 45m

Lisbon Humberto Delgado

Wed 9/24

12:50 pm-10:49 am

2 stops27h 59m

$761

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 7/29

6:12 pm-4:05 pm

2 stops15h 53m

Lisbon Humberto Delgado

Mon 9/22

12:30 pm-11:00 pm

2 stops40h 30m

$786

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 11/21

2:39 pm-3:25 pm

2 stops18h 46m

Lisbon Humberto Delgado

Sun 11/30

4:10 pm-5:50 pm

2 stops31h 40m

$944

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Thu 7/31

5:38 pm-5:30 am

2 stops29h 52m

Lisbon Humberto Delgado

Wed 9/24

6:00 pm-5:43 pm

1 stop29h 43m

$964

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 10/3

7:50 am-9:05 am

1 stop19h 15m

Lisbon Humberto Delgado

Sun 10/12

12:30 pm-10:51 pm

2 stops16h 21m

$982

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Thu 7/31

7:00 am-10:30 am

1 stop21h 30m

Lisbon Humberto Delgado

Thu 9/25

12:20 pm-8:05 pm

1 stop13h 45m

$1,024

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sun 9/7

6:00 am-10:45 am

2 stops22h 45m

Lisbon Humberto Delgado

Sat 9/13

10:15 pm-11:57 pm

2 stops31h 42m

$1,077

San AntonioLajes

SAT - TER

SATTER

San Antonio

Mon 10/13

11:55 am-11:15 pm

2 stops30h 20m

Lajes

Wed 10/22

7:15 am-8:05 pm

2 stops17h 50m

$7,815

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 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 $612). Flying from San Antonio to Portugal in June is currently the most expensive (average of $1,136). 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 June 12, 2025.

When flying from San Antonio to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
See what other customers who have flown with Finnair, United Airlines and American Airlines from San Antonio to Portugal have to say. 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.
Finnair
7.6
Good
1,290 reviews

Overall

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,290 reviews
Finnair
7.6
Good
1,290 reviews

Overall

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
United Airlines
7.4
Good
8,790 reviews
Finnair
7.6
Good
1,290 reviews

Overall

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,290 reviews

Overall

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Air Canada
7.1
Good
9,537 reviews
Finnair
7.6
Good
1,290 reviews

Overall

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Aer Lingus
7.1
Good
1,117 reviews
Finnair
7.6
Good
1,290 reviews

Overall

7.6

Entertainment

6.9

Comfort

7.4

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

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.

  • 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 $612). Flying from San Antonio to Portugal in June is currently the most expensive (average of $1,136). 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 4 airlines flying from San Antonio to Portugal

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$615Average$1,138FlexibilityNo cancel feeOn-time71%
DeltaCheapest$635Average$1,107FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$666Average$959FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$691Average$1,313FlexibilityNo cancel feeOn-time69%

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