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Portugal

$328+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$589
(Gurufare)

One-way from

$328
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,331
Provider with most accurate pricing for San Antonio-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Lisbon Humberto Delgado flights.
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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. 20% potential increase in price ($276 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:25 pmSAT - LIS
2 stops17h 45mBritish Airways
Mon 11/38:45 pmLIS - SAT
2 stops22h 51mBritish Airways
Deal found 4/30$589
This Finnair deal was found by Cheapflights users on 4/30. 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.
Mon 10/271:23 pmSAT - LIS
1 stop13h 42mMultiple Airlines
Mon 11/34:10 pmLIS - SAT
2 stops31h 40mMultiple Airlines
Deal found 4/30$593
This Lufthansa deal was found by Cheapflights users on 4/30. 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.
Mon 10/274:45 pmSAT - LIS
2 stops17h 20mLufthansa
Sun 11/25:00 amLIS - SAT
2 stops24h 08mLufthansa
Deal found 4/30$686
This United Airlines deal was found by Cheapflights users on 4/29. 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 12/17:00 pmSAT - LIS
2 stops33h 15mUnited Airlines
Thu 12/1111:55 amLIS - SAT
1 stop13h 41mUnited Airlines
Deal found 4/29$711
This Finnair deal was found by Cheapflights users on 4/30. 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.
Wed 8/206:45 pmSAT - LIS
2 stops22h 25mFinnair
Wed 9/36:35 amLIS - SAT
2 stops22h 25mFinnair
Deal found 4/30$715
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 8/208:00 amSAT - LIS
1 stop19h 05mAmerican Airlines
Wed 9/311:05 amLIS - SAT
2 stops15h 52mAmerican Airlines
Deal found 4/30$718
This Air Canada deal was found by Cheapflights users on 4/29. 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 8/17:08 amSAT - LIS
2 stops19h 12mAir Canada
Thu 8/2811:25 amLIS - SAT
2 stops34h 00mAir Canada
Deal found 4/29$851
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/63:15 pmSAT - LIS
2 stops24h 20mAer Lingus
Tue 5/1310:15 pmLIS - SAT
2 stops31h 35mAer Lingus
Deal found 4/29$962
This Iberia deal was found by Cheapflights users on 4/29. 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.
Fri 9/55:30 pmSAT - LIS
2 stops16h 35mIberia
Sat 9/2012:30 pmLIS - SAT
2 stops16h 30mIberia
Deal found 4/29$979
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:45 amSAT - TER
3 stops31h 10mMultiple Airlines
Fri 6/66:50 amTER - SAT
3 stops45h 01mMultiple Airlines
Deal found 4/30$1,198
This Turkish Airlines deal was found by Cheapflights users on 4/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1912:19 pmSAT - LIS
2 stops21h 11mTurkish Airlines
Sat 5/244:30 pmLIS - SAT
2 stops36h 29mTurkish Airlines
Deal found 4/29$1,713
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 5/1711:59 amSAT - LIS
1 stop14h 01mDelta
Sun 5/2510:00 amLIS - SAT
1 stop30h 48mDelta
Deal found 4/29$3,097

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 May 1, 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 10/27

1:25 pm-12:10 pm

2 stops17h 45m

Lisbon Humberto Delgado

Mon 11/3

8:45 pm-1:36 pm

2 stops22h 51m

$589

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 10/27

1:23 pm-8:05 am

1 stop13h 42m

Lisbon Humberto Delgado

Mon 11/3

4:10 pm-5:50 pm

2 stops31h 40m

$593

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 10/27

4:45 pm-3:05 pm

2 stops17h 20m

Lisbon Humberto Delgado

Sun 11/2

5:00 am-12:08 am

2 stops24h 08m

$686

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 8/20

6:45 pm-11:10 pm

2 stops22h 25m

Lisbon Humberto Delgado

Wed 9/3

6:35 am-11:00 pm

2 stops22h 25m

$715

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 8/20

8:00 am-9:05 am

1 stop19h 05m

Lisbon Humberto Delgado

Wed 9/3

11:05 am-8:57 pm

2 stops15h 52m

$718

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 8/20

6:48 am-9:20 am

3 stops20h 32m

Lisbon Humberto Delgado

Wed 9/3

11:25 am-3:25 pm

2 stops34h 00m

$741

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 7/21

12:55 pm-11:05 am

2 stops16h 10m

Lisbon Humberto Delgado

Sun 7/27

12:55 pm-4:38 pm

2 stops33h 43m

$898

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 5/21

7:34 pm-11:25 pm

2 stops21h 51m

Lisbon Humberto Delgado

Wed 5/28

6:35 am-11:50 pm

2 stops23h 15m

$1,124

San AntonioLajes

SAT - TER

SATTER

San Antonio

Fri 5/30

6:45 am-6:55 pm

3 stops31h 10m

Lajes

Fri 6/6

6:50 am-10:51 pm

3 stops45h 01m

$1,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $1,178). 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 May 1, 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 May 1, 2025.
Finnair
7.6
Good
1,275 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

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
1,275 reviews
Finnair
7.6
Good
1,275 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

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
8,696 reviews
Finnair
7.6
Good
1,275 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

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
1,275 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

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
7.0
Good
9,245 reviews
Finnair
7.6
Good
1,275 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

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
7.0
Good
1,076 reviews
Finnair
7.6
Good
1,275 reviews

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.7

Entertainment

6.9

Comfort

7.4

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 $1,178). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$615Average$1,182FlexibilityNo cancel feeOn-time71%
DeltaCheapest$635Average$966FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$666Average$959FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$691Average$1,394FlexibilityNo cancel feeOn-time69%

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