$331+ Cheap flights from Austin (AUS) 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Sep 16 — Sep 231
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 August 17, 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 August 17, 2026.
This Gotogate deal was found by Cheapflights users on 8/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:05 pm -
1 stop15h 15m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 8/14![Multiple Airlines logo]()
$707
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:05 pm -
1 stop14h 50m
Fri 12/45:00 am -
2 stops21h 56m
Deal found 8/16![Multiple Airlines logo]()
$715
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:50 pm -
1 stop14h 15m
Fri 12/411:05 am -
1 stop16h 54m
Deal found 8/16![Iberia logo]()
$724
This United Airlines deal was found by Cheapflights users on 8/14. 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 12/27:15 am -
1 stop21h 05m
Fri 12/1111:20 am -
2 stops30h 40m
Deal found 8/14![United Airlines logo]()
$726
This FlightHub deal was found by Cheapflights users on 8/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:40 am -
2 stops20h 15m
Fri 12/1111:20 am -
2 stops41h 09m
Deal found 8/16![Air Canada logo]()
$734
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:38 am -
2 stops17h 42m
Tue 11/105:00 am -
2 stops36h 11m
Deal found 8/14![Air Canada logo]()
$736
This Air France deal was found by Cheapflights users on 8/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:13 pm -
2 stops16h 22m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 8/13![Multiple Airlines logo]()
$737
This Orbitz deal was found by Cheapflights users on 8/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:05 pm -
1 stop14h 50m
Wed 12/23:35 pm -
2 stops49h 36m
Deal found 8/16![Multiple Airlines logo]()
$738
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:55 pm -
1 stop16h 50m
Fri 12/117:05 am -
1 stop15h 40m
Deal found 8/13![British Airways logo]()
$739
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:05 pm -
1 stop14h 50m
Tue 12/15:00 am -
1 stop15h 05m
Deal found 8/16![Multiple Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/2312:25 pm -
2 stops15h 05m
Thu 12/36:00 am -
2 stops20h 56m
Deal found 8/17![United Airlines logo]()
$746
This United Airlines deal was found by Cheapflights users on 8/12. 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 12/98:53 am -
2 stops18h 37m
Fri 12/1112:35 pm -
2 stops16h 09m
Deal found 8/12![United Airlines logo]()
$755
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 August 17, 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 August 17, 2026.
This United deal was found by Cheapflights users on 8/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:15 am -
3 stops19h 40m
Tue 12/15:00 am -
1 stop15h 05m
Deal found 8/16![Multiple Airlines logo]()
$758
This Delta deal was found by Cheapflights users on 8/16. 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 9/222:27 pm -
2 stops18h 28m
Wed 9/305:00 am -
2 stops22h 58m
Deal found 8/16![Delta logo]()
$800
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
2 stops19h 00m
Thu 10/2211:50 am -
2 stops41h 08m
Deal found 8/16![United Airlines logo]()
$823
This Gotogate deal was found by Cheapflights users on 8/12. 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.
Thu 12/33:47 pm -
2 stops36h 28m
Thu 12/1012:00 pm -
1 stop34h 45m
Deal found 8/12![British Airways logo]()
$862
This oojo deal was found by Cheapflights users on 8/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:55 pm -
1 stop16h 25m
Sat 11/281:15 pm -
2 stops30h 50m
Deal found 8/13![Lufthansa logo]()
$1,546
This Delta deal was found by Cheapflights users on 8/16. 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 10/207:20 am -
2 stops19h 30m
Sat 10/315:00 am -
2 stops18h 10m
Deal found 8/16![Delta logo]()
$830
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:25 pm -
1 stop13h 15m
Sat 9/268:45 pm -
2 stops43h 18m
Deal found 8/14![Multiple Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:59 pm -
1 stop12h 31m
Thu 10/221:25 pm -
1 stop15h 45m
Deal found 8/15![Delta logo]()
$840
This Flysmarter deal was found by Cheapflights users on 8/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:55 pm -
1 stop17h 55m
Tue 10/611:30 am -
1 stop15h 05m
Deal found 8/15![British Airways logo]()
$940
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/1412:43 pm -
3 stops40h 37m
Thu 10/223:25 pm -
2 stops48h 33m
Deal found 8/17![United Airlines logo]()
$952
This United deal was found by Cheapflights users on 8/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:40 am -
1 stop16h 30m
Tue 10/63:55 pm -
2 stops28h 05m
Deal found 8/15![Multiple Airlines logo]()
$926
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:17 pm -
3 stops33h 53m
Sun 11/2910:40 am -
3 stops56h 51m
Deal found 8/16![United Airlines logo]()
$956
This Delta deal was found by Cheapflights users on 8/12. 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 10/16:05 pm -
2 stops17h 45m
Tue 10/1310:00 am -
1 stop19h 10m
Deal found 8/12![Delta logo]()
$871
This British Airways deal was found by Cheapflights users on 8/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:55 pm -
1 stop18h 00m
Fri 10/24:30 pm -
1 stop28h 55m
Deal found 8/13![British Airways logo]()
$988
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:35 am -
2 stops28h 55m
Thu 10/2212:40 pm -
2 stops28h 08m
Deal found 8/13![Multiple Airlines logo]()
$938
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/146:00 am -
1 stop20h 20m
Tue 9/221:00 pm -
1 stop27h 48m
Deal found 8/15![United Airlines logo]()
$993
This Delta deal was found by Cheapflights users on 8/16. 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 9/143:50 pm -
2 stops17h 35m
Thu 9/245:00 am -
1 stop17h 10m
Deal found 8/16![Delta logo]()
$914
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:25 pm -
1 stop11h 40m
Mon 9/215:30 pm -
2 stops53h 18m
Deal found 8/15![Multiple Airlines logo]()
$942
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 9/276:45 pm -
2 stops37h 45m
Sun 10/43:25 pm -
1 stop28h 35m
Deal found 8/13![United Airlines logo]()
$1,006
This Delta deal was found by Cheapflights users on 8/16. 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.
Sun 9/276:13 pm -
2 stops15h 17m
Mon 10/125:00 am -
2 stops18h 30m
Deal found 8/16![Delta logo]()
$931
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:25 pm -
1 stop13h 15m
Fri 9/257:50 pm -
2 stops44h 13m
Deal found 8/14![Multiple Airlines logo]()
$993
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 10/85:10 am -
2 stops23h 55m
Tue 10/1311:25 am -
3 stops41h 29m
Deal found 8/14![United Airlines logo]()
$1,009
This Delta deal was found by Cheapflights users on 8/12. 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 9/253:50 pm -
2 stops17h 35m
Mon 10/55:00 am -
2 stops18h 18m
Deal found 8/12![Delta logo]()
$987
This United deal was found by Cheapflights users on 8/12. 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.
Sun 12/205:40 pm -
3 stops35h 00m
Tue 12/295:00 am -
1 stop15h 05m
Deal found 8/12![Multiple Airlines logo]()
$1,005
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/154:05 pm -
1 stop17h 30m
Tue 9/221:00 pm -
1 stop27h 48m
Deal found 8/15![United Airlines logo]()
$1,011
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/154:05 pm -
1 stop17h 30m
Mon 9/217:25 am -
1 stop36h 35m
Deal found 8/15![United Airlines logo]()
$1,012
This Delta deal was found by Cheapflights users on 8/16. 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.
Thu 11/2611:25 am -
2 stops23h 45m
Tue 12/110:25 am -
2 stops37h 07m
Deal found 8/16![Delta logo]()
$1,045
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 9/112:04 pm -
2 stops13h 36m
Fri 9/1811:00 am -
1 stop15h 58m
Deal found 8/14![United Airlines logo]()
$1,026
This Delta deal was found by Cheapflights users on 8/16. 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.
Thu 9/178:30 am -
2 stops20h 10m
Sun 9/209:25 am -
2 stops18h 10m
Deal found 8/16![Delta logo]()
$1,049
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/274:25 pm -
1 stop33h 15m
Thu 10/86:15 pm -
2 stops26h 10m
Deal found 8/12![Multiple Airlines logo]()
$1,223
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated August 17, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 8/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:05 pm -
1 stop24h 10m
Mon 9/287:25 am -
1 stop36h 35m
Deal found 8/13![Lufthansa logo]()
$820
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 9/227:20 am -
2 stops19h 30m
Thu 10/15:00 am -
1 stop17h 10m
Deal found 8/14![Delta logo]()
$790
This Iberia deal was found by Cheapflights users on 8/12. 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.
Tue 9/225:55 pm -
1 stop23h 05m
Wed 9/3012:30 pm -
2 stops16h 06m
Deal found 8/12![Multiple Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 8/16. 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 9/222:27 pm -
2 stops18h 28m
Wed 9/305:00 am -
2 stops22h 58m
Deal found 8/16![Delta logo]()
$800
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:04 pm -
2 stops23h 41m
Mon 9/287:25 am -
1 stop36h 35m
Deal found 8/16![Lufthansa logo]()
$812
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:55 pm -
1 stop18h 00m
Wed 9/307:20 am -
1 stop19h 15m
Deal found 8/16![British Airways logo]()
$817
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:05 pm -
1 stop24h 10m
Tue 9/297:55 pm -
2 stops30h 12m
Deal found 8/16![Multiple Airlines logo]()
$824
This Rumbo deal was found by Cheapflights users on 8/16. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:25 pm -
1 stop13h 20m
Mon 10/121:30 pm -
1 stop31h 55m
Deal found 8/16![Air Transat logo]()
$834
This Gotogate deal was found by Cheapflights users on 8/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:40 am -
1 stop17h 25m
Sun 10/46:45 am -
1 stop37h 15m
Deal found 8/13![Multiple Airlines logo]()
$848
This Gotogate deal was found by Cheapflights users on 8/12. 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 9/2811:40 am -
2 stops15h 40m
Mon 10/1212:35 pm -
1 stop31h 25m
Deal found 8/12![Multiple Airlines logo]()
$795
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/286:05 pm -
1 stop22h 45m
Mon 10/127:45 pm -
2 stops26h 04m
Deal found 8/12![KLM logo]()
$830
This SmartFares deal was found by Cheapflights users on 8/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:10 am -
2 stops22h 10m
Tue 10/64:20 pm -
1 stop27h 40m
Deal found 8/15![Multiple Airlines logo]()
$780
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 August 17, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:27 am -
2 stops25h 48m
Deal found 8/14![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:25 pm -
2 stops47h 30m
Deal found 8/13![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:52 am -
2 stops28h 18m
Deal found 8/16![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:47 pm -
2 stops42h 08m
Deal found 8/16![Multiple Airlines logo]()
$343
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:55 pm -
1 stop16h 50m
Deal found 8/13![British Airways logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:58 am -
2 stops30h 02m
Deal found 8/13![Multiple Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/277:14 pm -
2 stops32h 16m
Deal found 8/17![United Airlines logo]()
$352
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 stop14h 00m
Deal found 8/12![British Airways logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:25 pm -
2 stops47h 30m
Deal found 8/16![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:32 pm -
3 stops59h 38m
Deal found 8/16![Multiple Airlines logo]()
$354
This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:51 am -
2 stops26h 14m
Deal found 8/13![Iberia logo]()
$360
This KLM deal was found by Cheapflights users on 8/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/46:01 pm -
1 stop33h 34m
Deal found 8/15![KLM logo]()
$368
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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $707 (Gotogate) |
One-way from | $331 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,067 |
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 2,558,603 searches. Data last updated August 17, 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
Wed 11/18
5:15 am-6:55 am
3 stops19h 40m
Lisbon Humberto Delgado
Tue 12/1
5:00 am-2:05 pm
1 stop15h 05m
$758
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 9/22
2:27 pm-2:55 pm
2 stops18h 28m
Lisbon Humberto Delgado
Wed 9/30
5:00 am-9:58 pm
2 stops22h 58m
$800
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Tue 10/13
6:00 am-7:00 am
2 stops19h 00m
Porto
Thu 10/22
11:50 am-10:58 pm
2 stops41h 08m
$823
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 10/20
7:20 am-8:50 am
2 stops19h 30m
Lisbon Humberto Delgado
Sat 10/31
5:00 am-6:10 pm
2 stops18h 10m
$830
Quickest round-trip
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Tue 10/13
3:59 pm-10:30 am
1 stop12h 31m
Porto
Thu 10/22
1:25 pm-11:10 pm
1 stop15h 45m
$840
AustinFunchal
AUS Austin Bergstrom - FNC Funchal Madeira
AUSFNC
Austin Bergstrom
Thu 12/3
3:47 pm-10:15 am
2 stops36h 28m
Funchal Madeira
Thu 12/10
12:00 pm-4:45 pm
1 stop34h 45m
$862
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Thu 10/1
6:05 pm-5:50 pm
2 stops17h 45m
Lisbon Humberto Delgado
Tue 10/13
10:00 am-11:10 pm
1 stop19h 10m
$871
AustinFaro
AUS Austin Bergstrom - FAO Faro
AUSFAO
Austin Bergstrom
Sun 9/20
4:25 pm-11:40 am
1 stop13h 15m
Faro
Sat 9/26
8:45 pm-10:03 am
2 stops43h 18m
$887
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Mon 9/14
3:50 pm-3:25 pm
2 stops17h 35m
Porto
Thu 9/24
5:00 am-4:10 pm
1 stop17h 10m
$914
AustinFaro
AUS Austin Bergstrom - FAO Faro
AUSFAO
Austin Bergstrom
Mon 9/21
10:40 am-9:10 am
1 stop16h 30m
Faro
Tue 10/6
3:55 pm-2:00 pm
2 stops28h 05m
$926
Showing 1-10 of 54 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-FNC
AUS-FAO
AUS-PDL
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-FNC
AUS-FAO
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 $672). Flying from Austin to Portugal in June is currently the most expensive (average of $1,108). 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 43 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 August 17, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andUnited 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.
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Boarding
7.8
Comfort
7.7
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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 August 17, 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 2,558,603 searches. Data last updated August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$478 | Average$984 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$961 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$864 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$833 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$573 | Average$889 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,077 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$1,183 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$746 | Average$993 | FlexibilityNo cancel fee | On-time67% |