$353+ Cheap flights from Austin (AUS) 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Portugal with Cheapflights
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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 Austin to PortugalExplore the most affordable flight options available from Austin to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Austin to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This American Airlines deal was found by Cheapflights users on 9/24. 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 11/2310:02 am -
2 stops15h 38m
Thu 12/38:20 am -
2 stops21h 46m
Deal found 9/24![American Airlines logo]()
$590
This Delta deal was found by Cheapflights users on 9/24. 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 11/237:10 am -
2 stops21h 25m
Thu 12/310:15 am -
1 stop18h 52m
Deal found 9/24![Delta logo]()
$603
This Gurufare deal was found by Cheapflights users on 9/24. 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 11/232:25 pm -
1 stop13h 05m
Thu 12/312:35 pm -
1 stop26h 46m
Deal found 9/24![Lufthansa logo]()
$612
This Air Canada deal was found by Cheapflights users on 9/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:07 pm -
2 stops33h 33m
Tue 12/112:50 pm -
2 stops36h 33m
Deal found 9/23![Air Canada logo]()
$650
This United Airlines deal was found by Cheapflights users on 9/23. 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 11/225:15 am -
3 stops47h 25m
Tue 12/112:50 pm -
2 stops38h 00m
Deal found 9/23![United Airlines logo]()
$657
This FlightHub deal was found by Cheapflights users on 9/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:55 pm -
1 stop32h 50m
Mon 11/303:45 pm -
1 stop31h 00m
Deal found 9/23![British Airways logo]()
$669
This KAYAK deal was found by Cheapflights users on 9/24. 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 10/2010:25 am -
1 stop16h 55m
Fri 10/3012:20 pm -
1 stop13h 30m
Deal found 9/24![Lufthansa logo]()
$679
This FlightHub deal was found by Cheapflights users on 9/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:05 pm -
2 stops40h 35m
Tue 12/15:00 am -
1 stop15h 05m
Deal found 9/23![Multiple Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 10/137:15 am -
1 stop20h 30m
Thu 10/2211:50 am -
2 stops38h 07m
Deal found 9/23![United Airlines logo]()
$683
This Trip.com deal was found by Cheapflights users on 9/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:05 pm -
1 stop15h 15m
Sun 11/2210:50 am -
1 stop30h 21m
Deal found 9/25![Air Canada logo]()
$703
This United Airlines deal was found by Cheapflights users on 9/23. 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 11/227:07 pm -
2 stops31h 03m
Mon 11/3012:25 pm -
1 stop31h 40m
Deal found 9/23![United Airlines logo]()
$707
This Gotogate deal was found by Cheapflights users on 9/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:05 pm -
1 stop15h 15m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 9/24![Multiple Airlines logo]()
$709
Best flights from Austin to PortugalDiscover carefully curated flight deals from Austin to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Austin to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Gurufare deal was found by Cheapflights users on 9/24. 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 11/232:25 pm -
1 stop13h 05m
Thu 12/312:35 pm -
1 stop26h 46m
Deal found 9/24![Lufthansa logo]()
$612
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 10/137:15 am -
1 stop20h 30m
Thu 10/2211:50 am -
2 stops38h 07m
Deal found 9/23![United Airlines logo]()
$683
This KLM deal was found by Cheapflights users on 9/28. 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.
Wed 10/287:30 am -
1 stop18h 45m
Wed 11/45:00 am -
2 stops18h 32m
Deal found 9/28![KLM logo]()
$720
This Delta deal was found by Cheapflights users on 9/26. 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 11/237:10 am -
2 stops21h 25m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 9/26![Delta logo]()
$721
This United deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/187:15 am -
1 stop18h 55m
Mon 1/253:55 pm -
1 stop28h 10m
Deal found 9/28![Multiple Airlines logo]()
$762
This British Airways deal was found by Cheapflights users on 9/24. 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.
Thu 2/186:55 pm -
1 stop17h 10m
Mon 2/2210:40 am -
1 stop36h 05m
Deal found 9/24![British Airways logo]()
$808
This KLM deal was found by Cheapflights users on 9/27. 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.
Mon 11/236:01 pm -
1 stop15h 24m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 9/27![KLM logo]()
$721
This United Airlines deal was found by Cheapflights users on 9/24. 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 3/19:30 am -
2 stops18h 00m
Fri 3/56:00 am -
2 stops23h 38m
Deal found 9/24![United Airlines logo]()
$728
This Delta deal was found by Cheapflights users on 9/26. 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 2/1811:20 am -
2 stops18h 05m
Tue 2/235:00 am -
2 stops23h 05m
Deal found 9/26![Delta logo]()
$794
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:49 pm -
2 stops14h 41m
Wed 11/186:00 am -
2 stops19h 04m
Deal found 9/27![United Airlines logo]()
$730
This British Airways deal was found by Cheapflights users on 9/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:55 pm -
1 stop16h 40m
Mon 11/231:40 pm -
1 stop33h 05m
Deal found 9/27![British Airways logo]()
$857
This KLM deal was found by Cheapflights users on 9/26. 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 11/114:51 pm -
2 stops42h 19m
Wed 11/1810:25 am -
2 stops36h 28m
Deal found 9/26![KLM logo]()
$800
This United Airlines deal was found by Cheapflights users on 9/24. 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 11/235:15 am -
3 stops22h 15m
Thu 12/36:00 am -
2 stops19h 03m
Deal found 9/24![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 9/25. 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 11/124:30 pm -
2 stops19h 00m
Sun 11/155:30 am -
2 stops18h 02m
Deal found 9/25![Delta logo]()
$846
This KLM deal was found by Cheapflights users on 9/25. 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.
Mon 11/96:01 pm -
1 stop13h 49m
Mon 11/167:10 pm -
2 stops31h 20m
Deal found 9/25![KLM logo]()
$848
This United Airlines deal was found by Cheapflights users on 9/24. 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 1/185:45 pm -
3 stops33h 35m
Fri 1/2211:20 am -
2 stops35h 02m
Deal found 9/24![United Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 11/252:25 pm -
1 stop11h 45m
Tue 12/15:00 am -
1 stop15h 05m
Deal found 9/28![United Airlines logo]()
$805
This Mytrip deal was found by Cheapflights users on 9/25. 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.
Mon 1/1812:10 pm -
3 stops28h 45m
Mon 1/259:25 am -
3 stops31h 55m
Deal found 9/25![Multiple Airlines logo]()
$1,195
This Delta deal was found by Cheapflights users on 9/25. 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 1/186:01 pm -
1 stop33h 34m
Mon 1/2510:25 am -
2 stops20h 07m
Deal found 9/25![Delta logo]()
$1,035
This FlightHub deal was found by Cheapflights users on 9/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:48 pm -
2 stops37h 07m
Mon 11/3012:30 pm -
1 stop34h 15m
Deal found 9/27![British Airways logo]()
$1,169
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 11/257:19 am -
1 stop18h 51m
Mon 11/3012:25 pm -
1 stop31h 40m
Deal found 9/28![United Airlines logo]()
$837
This Justfly.com deal was found by Cheapflights users on 9/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2812:05 pm -
2 stops21h 35m
Sun 1/36:05 am -
3 stops32h 30m
Deal found 9/27![Air Canada logo]()
$2,802
This Mytrip deal was found by Cheapflights users on 9/26. 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 11/1112:05 pm -
3 stops26h 10m
Wed 11/1812:05 pm -
3 stops34h 35m
Deal found 9/26![Multiple Airlines logo]()
$1,307
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:55 pm -
3 stops25h 55m
Mon 11/232:40 pm -
3 stops29h 25m
Deal found 9/27![Multiple Airlines logo]()
$1,340
This Mytrip deal was found by Cheapflights users on 9/25. 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.
Mon 11/912:05 pm -
3 stops23h 30m
Mon 11/169:25 am -
3 stops32h 00m
Deal found 9/25![Multiple Airlines logo]()
$1,373
This Expedia deal was found by Cheapflights users on 9/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/204:09 pm -
2 stops19h 26m
Sat 2/136:55 pm -
1 stop27h 50m
Deal found 9/27![British Airways logo]()
$1,553
This Expedia deal was found by Cheapflights users on 9/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/284:09 pm -
2 stops20h 11m
Sun 1/311:15 am -
2 stops54h 05m
Deal found 9/27![Multiple Airlines logo]()
$1,384
This KAYAK deal was found by Cheapflights users on 9/24. 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.
Mon 10/124:35 pm -
2 stops34h 50m
Mon 10/1912:20 pm -
2 stops30h 09m
Deal found 9/24![Multiple Airlines logo]()
$1,610
This KLM deal was found by Cheapflights users on 9/27. 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.
Thu 12/246:01 pm -
1 stop17h 09m
Fri 1/16:00 pm -
1 stop28h 05m
Deal found 9/27![KLM logo]()
$2,414
This KAYAK deal was found by Cheapflights users on 9/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:22 pm -
2 stops27h 33m
Fri 1/16:05 am -
2 stops23h 51m
Deal found 9/27![Multiple Airlines logo]()
$2,050
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated September 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Tue 10/137:15 am -
1 stop20h 30m
Thu 10/2211:50 am -
2 stops38h 07m
Deal found 9/23![United Airlines logo]()
$683
This KAYAK deal was found by Cheapflights users on 9/24. 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 10/2010:25 am -
1 stop16h 55m
Fri 10/3012:20 pm -
1 stop13h 30m
Deal found 9/24![Lufthansa logo]()
$679
This Gotogate deal was found by Cheapflights users on 9/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:55 pm -
1 stop17h 05m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 9/25![Lufthansa logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/25. 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 10/257:15 am -
1 stop21h 50m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 9/25![United Airlines logo]()
$718
This Air Canada deal was found by Cheapflights users on 9/25. 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.
Sun 10/2510:25 am -
2 stops41h 55m
Tue 11/105:00 am -
2 stops36h 11m
Deal found 9/25![Multiple Airlines logo]()
$737
This Delta deal was found by Cheapflights users on 9/25. 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 10/256:25 pm -
2 stops16h 00m
Sun 11/15:55 am -
2 stops24h 26m
Deal found 9/25![Delta logo]()
$793
This Travelocity deal was found by Cheapflights users on 9/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:00 am -
2 stops30h 05m
Sun 11/18:45 pm -
2 stops32h 14m
Deal found 9/25![Iberia logo]()
$815
This KAYAK deal was found by Cheapflights users on 9/25. 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.
Sun 10/257:15 am -
1 stop21h 50m
Sun 11/15:55 am -
2 stops37h 22m
Deal found 9/25![Lufthansa logo]()
$877
This Delta deal was found by Cheapflights users on 9/25. 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 10/286:20 am -
2 stops19h 55m
Wed 11/411:15 am -
1 stop34h 50m
Deal found 9/25![Delta logo]()
$712
This KLM deal was found by Cheapflights users on 9/28. 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.
Wed 10/287:30 am -
1 stop18h 45m
Wed 11/45:00 am -
2 stops18h 32m
Deal found 9/28![KLM logo]()
$720
This United deal was found by Cheapflights users on 9/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:25 pm -
1 stop14h 05m
Wed 11/412:35 pm -
1 stop31h 30m
Deal found 9/28![Multiple Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 10/287:00 am -
2 stops21h 30m
Wed 11/46:00 am -
3 stops39h 21m
Deal found 9/28![United Airlines logo]()
$814
One-way flights from Austin to PortugalSearch for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:55 pm -
1 stop21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![British Airways logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:10 am -
3 stops43h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:50 pm -
3 stops44h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:35 am -
2 stops21h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:40 pm -
1 stop31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:10 am -
3 stops43h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$398
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:40 am -
1 stop14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Sun 10/2510:52 am -
3 stops39h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$407
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:25 am -
2 stops17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$413
This KLM deal was found by Cheapflights users on 9/28. 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.
Sun 1/1711:20 am -
2 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![KLM logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/173:55 pm -
3 stops41h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$438
This FlightHub deal was found by Cheapflights users on 9/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:30 pm -
1 stop13h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Air Transat logo]()
$476
Find flight deals from Austin to Portugal
Keep the following information in mind while searching for Austin to Portugal flight deals. Data was last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $575 (United Airlines) |
One-way from | $353 (Cheapflightsfares) |
Popular in | December |
Cheapest in | February |
Average price | $1,048 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin 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 28, 2026.
Use the filters below to find and compare flights from Austin to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 12/29
6:35 am-10:05 am
2 stops21h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$363
AustinFaro
AUS Austin Bergstrom - FAO Faro
AUSFAO
Austin Bergstrom
Sun 1/17
11:20 am-1:50 pm
2 stops20h 30m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$431
AustinFaro
AUS Austin Bergstrom - FAO Faro
AUSFAO
Austin Bergstrom
Sun 1/17
3:55 pm-3:40 pm
3 stops41h 45m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$438
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Thu 10/29
5:40 pm-7:45 am
2 stops33h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$454
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 10/27
5:15 am-8:10 am
3 stops21h 55m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$463
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 11/14
6:15 pm-5:30 pm
2 stops17h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$467
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 11/14
5:57 pm-8:10 am
1 stop32h 13m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$478
Quickest round-trip
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Sun 10/4
11:20 am-10:25 am
1 stop17h 05m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$562
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Sun 10/4
7:15 am-9:45 am
2 stops20h 30m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$562
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Mon 11/23
2:25 pm-9:30 am
1 stop13h 05m
Porto
Thu 12/3
12:35 pm-9:21 am
1 stop26h 46m
$612
Showing 1-10 of 42 resultsSorted by cheapest first
Best time to book a flight from Austin to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Austin with our price prediction graph.
AUS-LIS
AUS-OPO
AUS-FAO
AUS-FNC
AUS-TER
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 Austin to Portugal
AUS-PT0
AUS-LIS
AUS-OPO
AUS-FAO
AUS-FNC
What is the cheapest month to book a flight from Austin to Portugal?
Currently, February is the cheapest month in which you can book a flight from Austin to Portugal (average of $670). Flying from Austin to Portugal in December is currently the most expensive (average of $1,282). 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.
How far ahead should I book a flight from Austin to Portugal?
The best time to book flights from Austin to Portugal is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 28, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Austin to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Related info for your journey
Find useful and relevant information for your journey from Austin 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 Austin 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.
Search flights from Austin to Portugal by cabin class
Find flights from Austin to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Portugal flights
Browse other Austin and Portugal flight options. Last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Portugal flights
Consider these flights traveling from Austin to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 9 airlines flying from Austin to Portugal
Discover the top 9 airlines that operate flights from Austin 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$486 | Average$900 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$698 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$863 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$541 | Average$1,000 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$557 | Average$881 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,077 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$1,220 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$746 | Average$993 | FlexibilityNo cancel fee | On-time67% |