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Portugal

$401+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$559
(FlightHub)

One-way from

$401
(Booking.com)

Popular in

June

Cheapest in

March

Average price

$1,097
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. 25% potential increase in price ($347 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:40 amSAT - LIS
2 stops20h 15mAir Canada
Fri 1/3011:20 amLIS - SAT
2 stops34h 11mAir Canada
Deal found 9/14$559
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/47:07 amSAT - LIS
1 stop21h 08mUnited Airlines
Tue 11/185:00 amLIS - SAT
2 stops24h 16mUnited Airlines
Deal found 9/13$568
This Air Canada deal was found by Cheapflights users on 9/15. 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 12/307:40 amSAT - LIS
3 stops19h 15mMultiple Airlines
Fri 1/3011:20 amLIS - SAT
2 stops17h 53mMultiple Airlines
Deal found 9/15$588
This Delta deal was found by Cheapflights users on 9/14. 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 11/56:21 pmSAT - LIS
2 stops17h 09mDelta
Sat 11/155:00 amLIS - SAT
2 stops22h 02mDelta
Deal found 9/14$670
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/32:33 pmSAT - LIS
2 stops24h 57mScandinavian Airlines
Fri 11/73:45 pmLIS - SAT
2 stops38h 35mScandinavian Airlines
Deal found 9/15$671
This Delta deal was found by Cheapflights users on 9/16. 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.
Mon 10/61:50 pmSAT - LIS
1 stop14h 55mDelta
Wed 10/155:00 amLIS - SAT
2 stops25h 20mDelta
Deal found 9/16$696
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/710:55 amSAT - LIS
2 stops18h 20mDelta
Wed 10/155:00 amLIS - SAT
2 stops25h 20mDelta
Deal found 9/16$715
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/3012:50 pmSAT - LIS
1 stop13h 20mUnited Airlines
Fri 1/3010:15 amLIS - SAT
2 stops17h 06mUnited Airlines
Deal found 9/15$722
This KAYAK deal was found by Cheapflights users on 9/16. 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 10/85:09 pmSAT - LIS
2 stops24h 21mLufthansa
Wed 10/155:05 amLIS - SAT
2 stops23h 50mLufthansa
Deal found 9/16$740
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/512:49 pmSAT - LIS
1 stop13h 21mUnited Airlines
Sat 11/1510:15 amLIS - SAT
2 stops18h 41mUnited Airlines
Deal found 9/14$777
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Wed 11/56:00 amSAT - LIS
3 stops31h 00mMultiple Airlines
Sat 11/154:00 pmLIS - SAT
3 stops29h 11mMultiple Airlines
Deal found 9/14$838

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 September 16, 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

6:40 am-8:55 am

2 stops20h 15m

Lisbon Humberto Delgado

Fri 1/30

11:20 am-3:31 pm

2 stops34h 11m

$559

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 11/4

7:05 am-9:20 am

3 stops20h 15m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-11:16 pm

2 stops24h 16m

$568

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 3/10

2:01 pm-10:15 am

2 stops15h 14m

Lisbon Humberto Delgado

Thu 3/26

11:55 am-8:48 am

2 stops25h 53m

$580

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 1/12

12:15 pm-8:10 am

2 stops13h 55m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-7:41 pm

2 stops38h 21m

$613

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Mon 2/9

2:10 pm-9:30 pm

2 stops25h 20m

Lisbon Humberto Delgado

Mon 2/16

6:45 am-11:17 pm

2 stops22h 32m

$625

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sun 3/15

8:55 am-9:20 am

2 stops19h 25m

$401

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sun 3/15

10:00 am-3:05 pm

3 stops24h 05m

$426

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Sun 3/15

12:50 pm-8:10 am

1 stop14h 20m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 $1,127). 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 September 16, 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 September 16, 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
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

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!
Iberia
7.0
Good
2,924 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

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.

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

    A quick flight from San Antonio to Portugal can take about 20h 15m. Air Canada provides one of the quickest options available for as low as $559. Airlines will cover a distance of 4940 mi.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $401. Users have also found prices from $426 and $499 on United Airlines and Lufthansa, 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 $1,127). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$607Average$1,337FlexibilityNo cancel feeOn-time71%
DeltaCheapest$635Average$943FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$679Average$1,132FlexibilityNo cancel feeOn-time69%
IberiaCheapest$765Average$802FlexibilityNo cancel feeOn-time77%

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