$507+ Cheap flights from San Antonio (SAT) to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIS
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Cheapest flights from San Antonio to PortugalExplore 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 7, 2026.
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 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/27:00 am -
1 stop21h 20m
Tue 11/105:00 am -
2 stops22h 26m
Deal found 9/7![United Airlines logo]()
$734
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:10 am -
2 stops22h 40m
Mon 11/26:50 pm -
2 stops35h 05m
Deal found 9/3![Iberia logo]()
$760
This Delta deal was found by Cheapflights users on 9/4. 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 12/1612:59 pm -
2 stops19h 41m
Tue 12/225:00 am -
2 stops23h 52m
Deal found 9/4![Delta logo]()
$801
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/216:35 am -
2 stops20h 45m
Mon 11/210:15 am -
1 stop31h 24m
Deal found 9/3![United Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/215:30 am -
2 stops21h 50m
Wed 10/285:00 am -
2 stops18h 03m
Deal found 9/5![United Airlines logo]()
$819
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/217:00 am -
1 stop20h 05m
Wed 10/286:30 am -
2 stops20h 29m
Deal found 9/5![American Airlines logo]()
$820
This Gurufare deal was found by Cheapflights users on 9/7. 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 11/21:20 pm -
1 stop12h 40m
Tue 11/1010:00 am -
1 stop32h 01m
Deal found 9/7![Scandinavian Airlines logo]()
$822
This Delta deal was found by Cheapflights users on 9/6. 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 10/1311:36 am -
2 stops17h 19m
Tue 10/205:35 am -
2 stops24h 58m
Deal found 9/6![Delta logo]()
$832
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/1712:45 pm -
1 stop13h 25m
Mon 11/3012:25 pm -
3 stops40h 33m
Deal found 9/7![United Airlines logo]()
$851
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 11/214:48 pm -
2 stops33h 22m
Sat 12/511:20 am -
2 stops37h 55m
Deal found 9/6![United Airlines logo]()
$852
Best flights from San Antonio to PortugalDiscover carefully curated flight deals from San Antonio to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from San Antonio to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 1/177:00 am -
1 stop19h 10m
Fri 1/2911:20 am -
3 stops40h 00m
Deal found 9/4![United Airlines logo]()
$732
This Delta deal was found by Cheapflights users on 9/6. 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 11/212:01 pm -
1 stop12h 59m
Sat 12/55:00 am -
2 stops22h 31m
Deal found 9/6![Delta logo]()
$912
This United Airlines deal was found by Cheapflights users on 9/3. 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 2/178:55 am -
3 stops17h 15m
Tue 3/212:50 pm -
2 stops32h 40m
Deal found 9/3![United Airlines logo]()
$736
This United Airlines deal was found by Cheapflights users on 9/6. 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 1/117:00 am -
2 stops21h 40m
Thu 1/148:55 am -
3 stops42h 25m
Deal found 9/6![United Airlines logo]()
$754
This United Airlines deal was found by Cheapflights users on 9/4. 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 2/97:00 am -
1 stop19h 10m
Tue 5/111:00 pm -
2 stops30h 03m
Deal found 9/4![United Airlines logo]()
$793
This United Airlines deal was found by Cheapflights users on 9/7. 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 11/177:00 am -
1 stop21h 05m
Mon 11/3012:25 pm -
2 stops39h 01m
Deal found 9/7![United Airlines logo]()
$851
Last-minute flights from San Antonio to PortugalDiscover last-minute flight deals from San Antonio to Portugal. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Portugal. Data last updated September 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/6. 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 10/111:50 pm -
1 stop14h 55m
Tue 10/209:50 am -
2 stops20h 43m
Deal found 9/6![Delta logo]()
$903
This Delta deal was found by Cheapflights users on 9/6. 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 10/1311:36 am -
2 stops17h 19m
Tue 10/205:35 am -
2 stops24h 58m
Deal found 9/6![Delta logo]()
$832
This Delta deal was found by Cheapflights users on 9/6. 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 10/1311:36 am -
2 stops17h 19m
Mon 10/195:00 am -
2 stops22h 10m
Deal found 9/6![Delta logo]()
$885
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:15 am -
2 stops20h 45m
Mon 10/2611:15 am -
2 stops18h 18m
Deal found 9/4![Virgin Atlantic logo]()
$879
This Air France deal was found by Cheapflights users on 9/4. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:20 pm -
1 stop12h 40m
Mon 10/2611:15 am -
2 stops18h 18m
Deal found 9/4![Air France logo]()
$891
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/196:00 am -
1 stop20h 20m
Mon 10/2611:55 am -
1 stop28h 23m
Deal found 9/5![United Airlines logo]()
$895
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:10 am -
2 stops22h 40m
Mon 11/26:50 pm -
2 stops35h 05m
Deal found 9/3![Iberia logo]()
$760
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/216:35 am -
2 stops20h 45m
Mon 11/210:15 am -
1 stop31h 24m
Deal found 9/3![United Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/215:30 am -
2 stops21h 50m
Wed 10/285:00 am -
2 stops18h 03m
Deal found 9/5![United Airlines logo]()
$819
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/217:00 am -
1 stop20h 05m
Wed 10/286:30 am -
2 stops20h 29m
Deal found 9/5![American Airlines logo]()
$820
One-way flights from San Antonio to PortugalSearch for one-way flight options from San Antonio to Portugal. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from San Antonio to Portugal. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sat 11/215:10 pm -
2 stops32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 9/6. 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 11/212:01 pm -
1 stop12h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$719
This Air Canada deal was found by Cheapflights users on 9/6. 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.
Sat 11/219:35 am -
3 stops17h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Air Canada logo]()
$779
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $732 (United Airlines) |
One-way from | $507 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $1,227 |
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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from San Antonio to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sat 11/21
5:10 pm-7:45 am
2 stops32h 35m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$507
Quickest round-trip
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sat 11/21
2:01 pm-9:00 am
1 stop12h 59m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$719
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sun 1/17
7:00 am-8:10 am
1 stop19h 10m
Lisbon Humberto Delgado
Fri 1/29
11:20 am-9:20 pm
3 stops40h 00m
$732
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Wed 2/17
8:55 am-8:10 am
3 stops17h 15m
Lisbon Humberto Delgado
Tue 3/2
12:50 pm-3:30 pm
2 stops32h 40m
$736
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Mon 1/11
7:00 am-10:40 am
2 stops21h 40m
Lisbon Humberto Delgado
Thu 1/14
8:55 am-9:20 pm
3 stops42h 25m
$754
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sat 11/21
9:35 am-8:40 am
3 stops17h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$779
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Tue 2/9
7:00 am-8:10 am
1 stop19h 10m
Lisbon Humberto Delgado
Tue 5/11
1:00 pm-1:03 pm
2 stops30h 03m
$793
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Tue 11/17
7:00 am-10:05 am
1 stop21h 05m
Lisbon Humberto Delgado
Mon 11/30
12:25 pm-9:26 pm
2 stops39h 01m
$851
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sat 11/21
2:01 pm-9:00 am
1 stop12h 59m
Lisbon Humberto Delgado
Sat 12/5
5:00 am-9:31 pm
2 stops22h 31m
$912
Sorted by cheapest first
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.
SAT-LIS
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
SAT-PT0
SAT-LIS
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 $513). Flying from San Antonio to Portugal in June is currently the most expensive (average of $1,297). 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.
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 7, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andBritish Airways 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.
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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.
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Alternative routes for San Antonio to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Antonio to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Portugal flights
Browse other San Antonio and Portugal flight options. Last updated on September 7, 2026.
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Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 3 airlines flying from San Antonio to Portugal
Discover the top 3 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$445 | Average$776 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$522 | Average$1,287 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$579 | Average$904 | FlexibilityNo cancel fee | On-time69% |