$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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Dec 14 — Dec 211
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 November 14, 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 November 14, 2026.
This Gotogate deal was found by Cheapflights users on 11/9. 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 12/812:05 pm -
1 stop15h 15m
Tue 12/155:00 am -
2 stops36h 11m
Deal found 11/9![Multiple Airlines logo]()
$755
This Booking.com deal was found by Cheapflights users on 11/9. 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 12/85:23 pm -
2 stops31h 32m
Tue 12/1512:50 pm -
2 stops33h 09m
Deal found 11/9![Air Canada logo]()
$768
This Delta deal was found by Cheapflights users on 11/11. 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 12/87:30 am -
1 stop18h 30m
Tue 12/155:00 am -
2 stops24h 07m
Deal found 11/11![Delta logo]()
$773
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/87:05 am -
1 stop20h 00m
Tue 12/1511:05 am -
1 stop16h 55m
Deal found 11/11![American Airlines logo]()
$784
This Delta deal was found by Cheapflights users on 11/9. 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 11/297:30 am -
1 stop18h 45m
Thu 12/105:00 am -
1 stop17h 05m
Deal found 11/9![Delta logo]()
$806
This KLM deal was found by Cheapflights users on 11/14. 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 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 11/14![KLM logo]()
$808
This Delta deal was found by Cheapflights users on 11/9. 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 11/307:30 am -
2 stops21h 05m
Wed 12/911:15 am -
1 stop34h 50m
Deal found 11/9![Delta logo]()
$810
This eDestinos deal was found by Cheapflights users on 11/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:30 am -
1 stop18h 30m
Mon 11/1611:15 am -
2 stops16h 55m
Deal found 11/11![Virgin Atlantic logo]()
$810
This Delta deal was found by Cheapflights users on 11/9. 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 12/212:10 pm -
2 stops14h 05m
Wed 12/911:15 am -
1 stop34h 50m
Deal found 11/9![Delta logo]()
$811
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/212:07 pm -
1 stop16h 13m
Fri 12/1111:20 am -
2 stops34h 36m
Deal found 11/12![United Airlines logo]()
$814
This Air Canada deal was found by Cheapflights users on 11/13. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:00 am -
2 stops15h 55m
Fri 12/1111:20 am -
2 stops41h 26m
Deal found 11/13![Air Canada logo]()
$817
This United Airlines deal was found by Cheapflights users on 11/10. 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 stops21h 17m
Deal found 11/10![United Airlines logo]()
$818
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 November 14, 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 November 14, 2026.
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/239:35 am -
1 stop17h 55m
Fri 2/266:00 am -
2 stops21h 10m
Deal found 11/10![United Airlines logo]()
$734
This Air France deal was found by Cheapflights users on 11/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/263:15 pm -
1 stop18h 10m
Thu 5/135:55 am -
1 stop14h 25m
Deal found 11/12![Air France logo]()
$777
This Delta deal was found by Cheapflights users on 11/11. 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 4/263:15 pm -
1 stop18h 10m
Thu 5/135:00 am -
2 stops16h 43m
Deal found 11/11![Delta logo]()
$779
This KLM deal was found by Cheapflights users on 11/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/136:05 pm -
1 stop18h 35m
Wed 3/175:00 am -
2 stops19h 43m
Deal found 11/12![KLM logo]()
$852
This Expedia deal was found by Cheapflights users on 11/10. 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 3/1011:59 am -
2 stops22h 21m
Thu 3/185:10 pm -
1 stop29h 35m
Deal found 11/10![British Airways logo]()
$1,042
This Iberia deal was found by Cheapflights users on 11/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/189:50 pm -
2 stops57h 05m
Thu 4/221:05 pm -
2 stops40h 46m
Deal found 11/13![Iberia logo]()
$1,107
This United deal was found by Cheapflights users on 11/9. 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.
Fri 3/127:42 am -
2 stops26h 23m
Sun 3/2112:50 pm -
2 stops55h 15m
Deal found 11/9![Multiple Airlines logo]()
$1,197
This Justfly.com deal was found by Cheapflights users on 11/11. 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.
Fri 1/2912:10 pm -
3 stops43h 20m
Sun 2/77:50 am -
3 stops30h 47m
Deal found 11/11![Air Canada logo]()
$1,452
This United Airlines deal was found by Cheapflights users on 11/13. 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 2/147:00 am -
1 stop19h 10m
Thu 2/188:55 am -
2 stops37h 00m
Deal found 11/13![United Airlines logo]()
$789
This Delta deal was found by Cheapflights users on 11/11. 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 12/1012:15 pm -
2 stops16h 20m
Thu 12/245:00 am -
2 stops21h 35m
Deal found 11/11![Delta logo]()
$819
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 3/148:07 am -
2 stops17h 48m
Thu 3/185:00 am -
1 stop15h 05m
Deal found 11/12![United Airlines logo]()
$791
This KLM deal was found by Cheapflights users on 11/11. 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 1/295:15 pm -
2 stops34h 05m
Sun 2/710:10 am -
1 stop35h 55m
Deal found 11/11![KLM logo]()
$877
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sun 3/147:15 am -
1 stop21h 50m
Wed 3/1711:20 am -
1 stop28h 50m
Deal found 11/12![United Airlines logo]()
$808
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/152:45 pm -
2 stops18h 10m
Sun 4/255:35 am -
1 stop14h 45m
Deal found 11/13![Delta logo]()
$899
This KLM deal was found by Cheapflights users on 11/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:25 am -
2 stops20h 25m
Wed 12/210:20 am -
1 stop35h 45m
Deal found 11/13![KLM logo]()
$980
This United Airlines deal was found by Cheapflights users on 11/10. 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 3/1112:20 pm -
2 stops15h 10m
Fri 3/1910:35 am -
2 stops29h 35m
Deal found 11/10![United Airlines logo]()
$820
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/112:05 pm -
1 stop12h 50m
Thu 3/255:00 am -
1 stop17h 05m
Deal found 11/13![Delta logo]()
$918
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 3/137:00 pm -
1 stop32h 30m
Sat 3/2012:30 pm -
2 stops27h 40m
Deal found 11/13![United Airlines logo]()
$833
This British Airways deal was found by Cheapflights users on 11/10. 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 11/266:55 pm -
1 stop34h 15m
Mon 11/3012:30 pm -
1 stop34h 15m
Deal found 11/10![British Airways logo]()
$1,284
This KLM deal was found by Cheapflights users on 11/10. 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 3/116:01 pm -
1 stop17h 09m
Fri 3/196:00 pm -
1 stop28h 05m
Deal found 11/10![KLM logo]()
$1,097
This United Airlines deal was found by Cheapflights users on 11/11. 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 3/117:15 am -
1 stop21h 05m
Thu 3/255:00 am -
1 stop15h 05m
Deal found 11/11![United Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 11/11. 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 3/238:07 am -
2 stops19h 03m
Sun 3/281:00 pm -
2 stops34h 29m
Deal found 11/11![United Airlines logo]()
$849
This Delta deal was found by Cheapflights users on 11/10. 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 3/116:01 pm -
1 stop17h 09m
Thu 3/1810:20 am -
2 stops28h 29m
Deal found 11/10![Delta logo]()
$1,157
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Fri 4/1612:05 pm -
1 stop17h 00m
Sat 4/245:05 am -
1 stop14h 55m
Deal found 11/13![United Airlines logo]()
$891
This Ovago deal was found by Cheapflights users on 11/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:19 pm -
2 stops33h 01m
Mon 1/45:55 pm -
2 stops26h 10m
Deal found 11/12![Multiple Airlines logo]()
$1,759
This KLM deal was found by Cheapflights users on 11/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/122:05 pm -
2 stops17h 45m
Sun 3/218:05 pm -
1 stop26h 00m
Deal found 11/13![KLM logo]()
$1,553
This United Airlines deal was found by Cheapflights users on 11/10. 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 2/287:00 am -
2 stops21h 20m
Thu 3/46:05 am -
2 stops20h 09m
Deal found 11/10![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 11/13. 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 3/217:00 pm -
2 stops34h 20m
Thu 3/256:05 am -
2 stops23h 04m
Deal found 11/13![United Airlines logo]()
$1,209
This United Airlines deal was found by Cheapflights users on 11/10. 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 3/102:15 pm -
3 stops17h 15m
Thu 3/184:10 am -
3 stops23h 38m
Deal found 11/10![United Airlines logo]()
$1,746
This United Airlines deal was found by Cheapflights users on 11/10. 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 3/711:59 am -
2 stops19h 26m
Wed 3/104:10 am -
2 stops22h 04m
Deal found 11/10![United Airlines logo]()
$2,067
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated November 14, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated November 14, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 11/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:30 am -
1 stop18h 30m
Mon 11/1611:15 am -
2 stops16h 55m
Deal found 11/11![Virgin Atlantic logo]()
$810
This KLM deal was found by Cheapflights users on 11/14. 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 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 11/14![KLM logo]()
$808
This United Airlines deal was found by Cheapflights users on 11/10. 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 stops21h 17m
Deal found 11/10![United Airlines logo]()
$818
This Delta deal was found by Cheapflights users on 11/9. 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 11/297:30 am -
1 stop18h 45m
Thu 12/105:00 am -
1 stop17h 05m
Deal found 11/9![Delta logo]()
$806
This Delta deal was found by Cheapflights users on 11/9. 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 11/307:30 am -
2 stops21h 05m
Wed 12/911:15 am -
1 stop34h 50m
Deal found 11/9![Delta logo]()
$810
This Delta deal was found by Cheapflights users on 11/9. 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 12/212:10 pm -
2 stops14h 05m
Wed 12/911:15 am -
1 stop34h 50m
Deal found 11/9![Delta logo]()
$811
This United Airlines deal was found by Cheapflights users on 11/9. 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 stop18h 55m
Fri 12/1111:20 am -
2 stops39h 32m
Deal found 11/9![United Airlines logo]()
$814
This Air Canada deal was found by Cheapflights users on 11/13. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:00 am -
2 stops15h 55m
Fri 12/1111:20 am -
2 stops41h 26m
Deal found 11/13![Air Canada logo]()
$817
This Gotogate deal was found by Cheapflights users on 11/9. 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 12/812:05 pm -
1 stop15h 15m
Tue 12/155:00 am -
2 stops36h 11m
Deal found 11/9![Multiple Airlines logo]()
$755
This Booking.com deal was found by Cheapflights users on 11/9. 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 12/85:23 pm -
2 stops31h 32m
Tue 12/1512:50 pm -
2 stops33h 09m
Deal found 11/9![Air Canada logo]()
$768
This Delta deal was found by Cheapflights users on 11/11. 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 12/87:30 am -
1 stop18h 30m
Tue 12/155:00 am -
2 stops24h 07m
Deal found 11/11![Delta logo]()
$773
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Tue 12/87:05 am -
1 stop20h 00m
Tue 12/1511:05 am -
1 stop16h 55m
Deal found 11/11![American Airlines logo]()
$784
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 November 14, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated November 14, 2026.
This Expedia deal was found by Cheapflights users on 11/9. 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 3/237:55 pm -
1 stop20h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![British Airways logo]()
$353
This Expedia deal was found by Cheapflights users on 11/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/231:24 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Iberia logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Fri 12/411:02 am -
2 stops19h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sat 12/58:52 pm -
2 stops31h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$463
This Justfly.com deal was found by Cheapflights users on 11/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:41 pm -
2 stops37h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Aer Lingus logo]()
$501
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sat 12/126:31 pm -
3 stops44h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$510
This Cheapflightsfares deal was found by Cheapflights users on 11/10. 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.
Fri 12/118:06 am -
2 stops20h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Aer Lingus logo]()
$518
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 3/235:30 pm -
3 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![United Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Thu 11/265:35 pm -
2 stops47h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![Multiple Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/117:09 pm -
3 stops54h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$557
This KLM deal was found by Cheapflights users on 11/9. 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 11/2910:59 am -
2 stops20h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![KLM logo]()
$630
This KLM deal was found by Cheapflights users on 11/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:01 pm -
1 stop13h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/13![KLM logo]()
$675
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 November 14, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $734 (United Airlines) |
One-way from | $353 (Expedia) |
Popular in | December |
Cheapest in | February |
Average price | $884 |
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 November 14, 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 3/23
7:55 pm-9:50 pm
1 stop20h 55m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$353
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 3/23
1:24 pm-9:05 am
1 stop14h 41m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$357
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 12/12
6:31 pm-9:00 pm
3 stops44h 29m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$510
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 3/23
5:30 pm-6:55 am
3 stops32h 25m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$521
AustinFaro
AUS Austin Bergstrom - FAO Faro
AUSFAO
Austin Bergstrom
Thu 11/26
5:35 pm-11:10 pm
2 stops47h 35m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$531
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Fri 12/11
7:09 pm-7:45 am
3 stops54h 36m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$557
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Fri 12/4
6:51 pm-5:35 am
3 stops28h 44m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$566
Quickest round-trip
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 12/12
5:00 pm-10:20 am
1 stop11h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$610
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Fri 12/11
7:15 am-10:20 am
1 stop21h 05m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$610
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 12/5
6:15 pm-8:00 am
1 stop31h 45m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$611
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-OPO
AUS-LIS
AUS-FNC
AUS-FAO
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-OPO
AUS-LIS
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 $674). Flying from Austin to Portugal in December is currently the most expensive (average of $1,311). 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 75 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 November 14, 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.
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Boarding
8.1
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 November 14, 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 November 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$478 | Average$1,058 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$508 | Average$867 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$508 | Average$799 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$593 | Average$914 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$604 | Average$955 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,062 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$695 | Average$1,189 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$746 | Average$993 | FlexibilityNo cancel fee | On-time67% |