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Portugal

$282+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$593
(United Airlines)

One-way from

$282
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,307
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. 24% potential increase in price ($329 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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 12/307:30 pmSAT - LIS
2 stops32h 45mUnited Airlines
Fri 1/3011:20 amLIS - SAT
2 stops31h 43mUnited Airlines
Deal found 7/28$593
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Tue 12/307:30 pmSAT - LIS
2 stops31h 25mAir Canada
Fri 1/3011:20 amLIS - SAT
2 stops30h 50mAir Canada
Deal found 7/29$595
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:12 amSAT - LIS
2 stops15h 33mBritish Airways
Mon 11/38:45 pmLIS - SAT
2 stops24h 51mBritish Airways
Deal found 7/28$714
This KLM deal was found by Cheapflights users on 7/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:10 pmSAT - LIS
1 stop14h 50mMultiple Airlines
Sun 12/711:15 amLIS - SAT
2 stops19h 10mMultiple Airlines
Deal found 7/27$742
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 10/237:00 amSAT - LIS
1 stop20h 05mAmerican Airlines
Mon 11/311:05 amLIS - SAT
2 stops18h 52mAmerican Airlines
Deal found 7/28$757
This KLM deal was found by Cheapflights users on 7/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:00 pmSAT - LIS
1 stop13h 00mKLM
Fri 1/3010:00 amLIS - SAT
2 stops19h 33mKLM
Deal found 7/28$828
This Delta deal was found by Cheapflights users on 7/29. 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.
Sun 9/142:30 pmSAT - LIS
1 stop14h 15mDelta
Fri 9/265:40 amLIS - SAT
2 stops21h 50mDelta
Deal found 7/29$904

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 July 29, 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

Tue 12/30

7:30 pm-10:15 am

2 stops32h 45m

Lisbon Humberto Delgado

Fri 1/30

11:20 am-1:03 pm

2 stops31h 43m

$593

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 12/30

7:30 pm-8:55 am

2 stops31h 25m

Lisbon Humberto Delgado

Fri 1/30

11:20 am-12:10 pm

2 stops30h 50m

$595

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Thu 10/23

10:12 am-7:45 am

2 stops15h 33m

Lisbon Humberto Delgado

Mon 11/3

8:45 pm-3:36 pm

2 stops24h 51m

$714

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sat 11/29

12:10 pm-9:00 am

1 stop14h 50m

Lisbon Humberto Delgado

Sun 12/7

11:15 am-12:25 am

2 stops19h 10m

$742

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Thu 10/23

7:00 am-9:05 am

1 stop20h 05m

Lisbon Humberto Delgado

Mon 11/3

11:05 am-11:57 pm

2 stops18h 52m

$757

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 12/30

2:00 pm-9:00 am

1 stop13h 00m

Lisbon Humberto Delgado

Fri 1/30

10:00 am-11:33 pm

2 stops19h 33m

$828

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sun 9/14

2:30 pm-10:45 am

1 stop14h 15m

Lisbon Humberto Delgado

Fri 9/26

5:40 am-9:30 pm

2 stops21h 50m

$904

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Wed 10/15

2:59 pm-8:05 am

2 stops35h 06m

$282

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sun 12/28

7:05 am-10:15 am

1 stop21h 10m

$465

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 12/29

11:28 am-8:10 am

2 stops14h 42m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results
1
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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 $1,129). 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 July 29, 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.

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 July 29, 2025.
Read reviews from past customers who have flown Delta, KLM, and United 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
8.0
Very good
7,977 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,822 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from San Antonio to Portugal one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $465. Users have also found prices from $468 and $475 on United Airlines and Air Canada, respectively.

  • 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 $1,129). 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 5 airlines flying from San Antonio to Portugal

Discover the top 5 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$607Average$1,138FlexibilityNo cancel feeOn-time71%
DeltaCheapest$635Average$889FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$666Average$959FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$691Average$1,254FlexibilityNo cancel feeOn-time69%
IberiaCheapest$765Average$802FlexibilityNo cancel feeOn-time77%

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