$395+ 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LIS
Nov 22 — Nov 291
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 October 23, 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 October 23, 2026.
This KLM deal was found by Cheapflights users on 10/20. 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.
Wed 12/22:12 pm -
1 stop12h 48m
Wed 12/95:00 am -
2 stops18h 38m
Deal found 10/20![KLM logo]()
$717
This Delta deal was found by Cheapflights users on 10/20. 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 12/76:16 am -
2 stops19h 44m
Wed 12/2311:15 am -
2 stops17h 23m
Deal found 10/20![Delta logo]()
$719
This Delta deal was found by Cheapflights users on 10/19. 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 12/21:45 pm -
2 stops19h 25m
Wed 12/95:00 am -
2 stops18h 31m
Deal found 10/19![Delta logo]()
$721
This Finnair deal was found by Cheapflights users on 10/22. 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 12/22:05 pm -
2 stops18h 50m
Wed 12/96:30 am -
2 stops22h 13m
Deal found 10/22![Multiple Airlines logo]()
$728
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/212:15 pm -
1 stop13h 55m
Wed 12/911:55 am -
1 stop14h 54m
Deal found 10/19![United Airlines logo]()
$736
This KLM deal was found by Cheapflights users on 10/19. 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.
Thu 12/312:59 pm -
1 stop13h 01m
Thu 12/105:00 am -
2 stops18h 38m
Deal found 10/19![KLM logo]()
$761
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 11/236:07 am -
2 stops19h 33m
Tue 12/88:20 am -
2 stops21h 35m
Deal found 10/21![American Airlines logo]()
$761
This Expedia deal was found by Cheapflights users on 10/20. 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.
Sat 12/52:51 pm -
2 stops43h 14m
Sat 12/126:45 pm -
2 stops35h 10m
Deal found 10/20![Iberia logo]()
$805
This KLM deal was found by Cheapflights users on 10/20. 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 12/512:59 pm -
1 stop13h 01m
Sat 12/129:40 am -
2 stops19h 17m
Deal found 10/20![KLM logo]()
$817
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/139:41 am -
2 stops18h 24m
Sun 12/2012:20 pm -
2 stops26h 10m
Deal found 10/23![United Airlines logo]()
$822
This KLM deal was found by Cheapflights users on 10/20. 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.
Fri 12/44:00 pm -
2 stops35h 20m
Fri 12/116:00 pm -
2 stops34h 57m
Deal found 10/20![KLM logo]()
$826
This Delta deal was found by Cheapflights users on 10/22. 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 11/106:40 am -
2 stops21h 55m
Sun 11/155:55 am -
2 stops22h 59m
Deal found 10/22![Delta logo]()
$866
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 October 23, 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 October 23, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. 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 2/176:17 am -
1 stop19h 53m
Tue 3/211:20 am -
2 stops39h 37m
Deal found 10/23![United Airlines logo]()
$732
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 4/1210:06 am -
2 stops15h 34m
Wed 4/2810:10 am -
1 stop16h 48m
Deal found 10/21![American Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 10/22. 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 11/106:40 am -
2 stops21h 55m
Sun 11/155:55 am -
2 stops22h 59m
Deal found 10/22![Delta logo]()
$866
This KLM deal was found by Cheapflights users on 10/20. 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 11/1011:04 am -
2 stops17h 26m
Sun 11/1511:30 am -
2 stops17h 24m
Deal found 10/20![KLM logo]()
$871
This British Airways deal was found by Cheapflights users on 10/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/65:20 pm -
2 stops18h 35m
Sat 3/136:45 pm -
2 stops19h 51m
Deal found 10/19![Multiple Airlines logo]()
$881
This KAYAK deal was found by Cheapflights users on 10/19. 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.
Tue 11/106:15 am -
1 stop21h 15m
Sun 11/156:15 am -
2 stops20h 38m
Deal found 10/19![Lufthansa logo]()
$906
This United Airlines deal was found by Cheapflights users on 10/22. 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 4/117:00 pm -
3 stops32h 20m
Tue 4/2711:25 am -
2 stops34h 05m
Deal found 10/22![United Airlines logo]()
$747
This Air Canada deal was found by Cheapflights users on 10/19. 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.
Thu 12/311:47 am -
3 stops19h 43m
Thu 12/107:50 am -
3 stops21h 14m
Deal found 10/19![Air Canada logo]()
$1,568
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/139:41 am -
2 stops18h 24m
Sun 12/2012:20 pm -
2 stops26h 10m
Deal found 10/23![United Airlines logo]()
$822
This Lufthansa deal was found by Cheapflights users on 10/21. 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 11/2312:45 pm -
1 stop14h 45m
Tue 12/86:00 am -
2 stops22h 52m
Deal found 10/21![Lufthansa logo]()
$999
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/56:45 am -
1 stop19h 25m
Sat 12/1212:20 pm -
1 stop14h 29m
Deal found 10/20![United Airlines logo]()
$847
This Delta deal was found by Cheapflights users on 10/19. 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.
Thu 12/310:54 am -
2 stops24h 16m
Thu 12/1010:20 am -
2 stops20h 15m
Deal found 10/19![Delta logo]()
$1,114
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/106:15 am -
1 stop21h 15m
Sun 11/1512:30 pm -
2 stops38h 56m
Deal found 10/22![United Airlines logo]()
$968
This American Airlines deal was found by Cheapflights users on 10/20. 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 12/49:22 am -
3 stops44h 33m
Fri 12/115:30 pm -
3 stops35h 27m
Deal found 10/20![Multiple Airlines logo]()
$3,631
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 12/44:10 pm -
3 stops39h 20m
Thu 12/104:10 am -
2 stops22h 39m
Deal found 10/20![United Airlines logo]()
$3,371
Last-minute flights from San Antonio to PortugalDiscover last-minute flight deals from San Antonio to Portugal. Data last updated October 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Portugal. Data last updated October 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/22. 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 11/106:40 am -
2 stops21h 55m
Sun 11/155:55 am -
2 stops22h 59m
Deal found 10/22![Delta logo]()
$866
This KLM deal was found by Cheapflights users on 10/20. 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 11/1011:04 am -
2 stops17h 26m
Sun 11/1511:30 am -
2 stops17h 24m
Deal found 10/20![KLM logo]()
$871
This KAYAK deal was found by Cheapflights users on 10/19. 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.
Tue 11/106:15 am -
1 stop21h 15m
Sun 11/156:15 am -
2 stops20h 38m
Deal found 10/19![Lufthansa logo]()
$906
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/106:15 am -
1 stop21h 15m
Sun 11/1512:30 pm -
2 stops38h 56m
Deal found 10/21![United Airlines logo]()
$968
This Delta deal was found by Cheapflights users on 10/20. 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.
Fri 11/132:01 pm -
1 stop12h 59m
Fri 11/205:00 am -
2 stops20h 48m
Deal found 10/20![Delta logo]()
$863
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Fri 11/137:00 am -
1 stop21h 20m
Fri 11/2012:20 pm -
1 stop14h 04m
Deal found 10/23![United Airlines logo]()
$885
This KAYAK deal was found by Cheapflights users on 10/20. 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.
Fri 11/137:00 am -
1 stop21h 20m
Fri 11/2012:20 pm -
1 stop14h 04m
Deal found 10/20![Lufthansa logo]()
$997
This FlightHub deal was found by Cheapflights users on 10/19. 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.
Wed 11/187:15 am -
2 stops22h 50m
Mon 11/303:45 pm -
2 stops38h 48m
Deal found 10/19![British Airways logo]()
$879
This United deal was found by Cheapflights users on 10/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop21h 20m
Mon 11/3011:20 am -
2 stops60h 17m
Deal found 10/19![Multiple Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/186:15 am -
1 stop19h 55m
Mon 11/3011:20 am -
2 stops55h 00m
Deal found 10/19![United Airlines logo]()
$901
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 11/236:07 am -
2 stops19h 33m
Tue 12/88:20 am -
2 stops21h 35m
Deal found 10/21![American Airlines logo]()
$761
This Lufthansa deal was found by Cheapflights users on 10/21. 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 11/2312:45 pm -
1 stop14h 45m
Tue 12/86:00 am -
2 stops22h 52m
Deal found 10/21![Lufthansa logo]()
$999
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 October 23, 2026.
Search for one-way flight options from San Antonio to Portugal. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 4/412:10 pm -
1 stop16h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 10/23. 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 4/44:25 pm -
2 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Delta logo]()
$399
This Iberia deal was found by Cheapflights users on 10/21. 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.
Sun 4/47:05 am -
2 stops27h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Iberia logo]()
$404
This Expedia deal was found by Cheapflights users on 10/19. 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 1/41:50 pm -
2 stops17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Lufthansa logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 1/48:30 pm -
3 stops41h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 12/314:50 pm -
3 stops35h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$570
This Ovago deal was found by Cheapflights users on 10/20. 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 12/315:49 am -
2 stops46h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Aer Lingus logo]()
$577
This Arangrant deal was found by Cheapflights users on 10/21. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1412:24 pm -
2 stops16h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Lufthansa logo]()
$926
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Wed 4/141:47 pm -
3 stops25h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$1,046
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 October 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $711 (Despegar) |
One-way from | $395 (United Airlines) |
Popular in | July |
Cheapest in | October |
Average price | $670 |
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 October 23, 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
Quickest round-trip
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sun 4/4
12:10 pm-10:30 am
1 stop16h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$395
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sun 4/4
4:25 pm-5:50 pm
2 stops19h 25m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$399
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sun 4/4
7:05 am-4:05 pm
2 stops27h 00m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$404
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Mon 1/4
8:30 pm-7:55 pm
3 stops41h 25m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$557
San AntonioFaro
SAT San Antonio - FAO Faro
SATFAO
San Antonio
Thu 12/31
4:50 pm-10:20 am
3 stops35h 30m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$570
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Wed 2/17
6:17 am-8:10 am
1 stop19h 53m
Lisbon Humberto Delgado
Tue 3/2
11:20 am-8:57 pm
2 stops39h 37m
$732
San AntonioPorto
SAT San Antonio - OPO Porto
SATOPO
San Antonio
Mon 4/12
10:06 am-7:40 am
2 stops15h 34m
Porto
Wed 4/28
10:10 am-8:58 pm
1 stop16h 48m
$736
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sun 4/11
7:00 pm-9:20 am
3 stops32h 20m
Lisbon Humberto Delgado
Tue 4/27
11:25 am-3:30 pm
2 stops34h 05m
$747
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sun 12/13
9:41 am-10:05 am
2 stops18h 24m
Lisbon Humberto Delgado
Sun 12/20
12:20 pm-8:30 am
2 stops26h 10m
$822
San AntonioLisbon
SAT San Antonio - LIS Lisbon Humberto Delgado
SATLIS
San Antonio
Sat 12/5
6:45 am-8:10 am
1 stop19h 25m
Lisbon Humberto Delgado
Sat 12/12
12:20 pm-8:49 pm
1 stop14h 29m
$847
Showing 1-10 of 20 resultsSorted 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.
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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
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What is the cheapest month to book a flight from San Antonio to Portugal?
Currently, October is the cheapest month in which you can book a flight from San Antonio to Portugal (average of $670). Flying from San Antonio to Portugal in July is currently the most expensive (average of $1,486). 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 October 23, 2026.
Read reviews from past customers who have flown 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.
Boarding
7.7
Entertainment
7.1
Overall
7.3
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Boarding
7.7
Entertainment
7.1
Overall
7.3
Crew
8.1
Comfort
7.3
Food
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Boarding
7.7
Entertainment
7.1
Overall
7.3
Crew
8.1
Comfort
7.3
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
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Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Portugal by cabin class
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 October 23, 2026.
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San Antonio to Portugal flights
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Top 2 airlines flying from San Antonio to Portugal
Discover the top 2 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 October 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$522 | Average$1,227 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$600 | Average$919 | FlexibilityNo cancel fee | On-time69% |