$317+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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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 June 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 June 14, 2026.
This Delta deal was found by Cheapflights users on 6/12. 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.
Mon 11/237:30 am
AUS
- OPO
2 stops21h 00m
Delta
Fri 11/2711:15 am
OPO
- AUS
2 stops19h 17m
Delta
Deal found 6/12![Delta logo]()
$747
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:55 am
AUS
- LIS
1 stop18h 55m
Air Canada
Thu 11/51:00 pm
LIS
- AUS
1 stop29h 19m
Air Canada
Deal found 6/14![Air Canada logo]()
$752
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:55 am
AUS
- LIS
1 stop18h 55m
Multiple Airlines
Tue 11/35:00 am
LIS
- AUS
1 stop15h 05m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$755
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:10 pm
AUS
- OPO
2 stops40h 35m
Air Canada
Fri 11/276:00 am
OPO
- AUS
2 stops36h 19m
Air Canada
Deal found 6/13![Air Canada logo]()
$762
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:10 pm
AUS
- LIS
1 stop15h 50m
Multiple Airlines
Fri 11/131:00 pm
LIS
- AUS
1 stop29h 19m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$771
This KLM deal was found by Cheapflights users on 6/13. 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.
Sun 11/223:35 pm
AUS
- OPO
1 stop11h 30m
KLM
Fri 11/2711:15 am
OPO
- AUS
2 stops19h 17m
KLM
Deal found 6/13![KLM logo]()
$773
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 10/262:15 pm
AUS
- LIS
2 stops15h 00m
United Airlines
Tue 11/35:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/12![United Airlines logo]()
$773
This United Airlines deal was found by Cheapflights users on 6/10. 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 11/87:15 am
AUS
- LIS
1 stop21h 00m
United Airlines
Fri 11/1311:20 am
LIS
- AUS
2 stops33h 11m
United Airlines
Deal found 6/10![United Airlines logo]()
$775
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:40 am
AUS
- LIS
2 stops21h 10m
Air Canada
Tue 12/811:20 am
LIS
- AUS
2 stops32h 11m
Air Canada
Deal found 6/12![Air Canada logo]()
$779
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 11/237:00 pm
AUS
- LIS
1 stop31h 10m
United Airlines
Fri 11/271:00 pm
LIS
- AUS
1 stop29h 19m
United Airlines
Deal found 6/12![United Airlines logo]()
$782
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:15 am
AUS
- LIS
2 stops20h 35m
Air Canada
Fri 11/271:00 pm
LIS
- AUS
2 stops39h 44m
Air Canada
Deal found 6/12![Air Canada logo]()
$784
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 12/27:30 am
AUS
- LIS
1 stop18h 30m
Delta
Fri 12/115:00 am
LIS
- AUS
2 stops21h 42m
Delta
Deal found 6/10![Delta logo]()
$785
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 June 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 June 14, 2026.
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 10/262:15 pm
AUS
- LIS
2 stops15h 00m
United Airlines
Tue 11/35:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 6/12![United Airlines logo]()
$773
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 10/72:05 pm
AUS
- OPO
2 stops19h 20m
Delta
Fri 10/165:00 am
OPO
- AUS
2 stops18h 39m
Delta
Deal found 6/12![Delta logo]()
$806
This KLM deal was found by Cheapflights users on 6/9. 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.
Thu 9/173:50 pm
AUS
- OPO
1 stop12h 40m
Multiple Airlines
Thu 9/241:25 pm
OPO
- AUS
1 stop13h 27m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$870
This KLM deal was found by Cheapflights users on 6/12. 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.
Mon 8/36:05 pm
AUS
- FAO
1 stop20h 20m
KLM
Wed 8/1910:10 pm
FAO
- AUS
1 stop24h 00m
KLM
Deal found 6/12![KLM logo]()
$970
This Finnair deal was found by Cheapflights users on 6/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:27 pm
AUS
- LIS
2 stops18h 08m
Finnair
Fri 8/76:35 am
LIS
- AUS
2 stops21h 47m
Finnair
Deal found 6/13![Finnair logo]()
$985
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:10 pm
AUS
- TER
2 stops40h 50m
Air Canada
Mon 11/2312:35 pm
TER
- AUS
2 stops52h 44m
Air Canada
Deal found 6/10![Air Canada logo]()
$1,031
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:30 pm
AUS
- FAO
1 stop29h 50m
British Airways
Sat 8/296:45 pm
FAO
- AUS
1 stop26h 40m
British Airways
Deal found 6/11![British Airways logo]()
$1,170
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:15 pm
AUS
- FNC
2 stops18h 05m
Lufthansa
Sat 11/211:15 pm
FNC
- AUS
2 stops30h 50m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$1,230
This United Airlines deal was found by Cheapflights users on 6/14. 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 12/26:30 am
AUS
- LIS
1 stop19h 40m
United Airlines
Fri 12/111:00 pm
LIS
- AUS
1 stop29h 19m
United Airlines
Deal found 6/14![United Airlines logo]()
$794
This Delta deal was found by Cheapflights users on 6/11. 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 9/216:05 pm
AUS
- OPO
1 stop15h 25m
Delta
Mon 9/285:00 am
OPO
- AUS
1 stop17h 10m
Delta
Deal found 6/11![Delta logo]()
$857
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 9/177:30 am
AUS
- OPO
2 stops19h 00m
Delta
Thu 9/2411:35 am
OPO
- AUS
2 stops18h 24m
Delta
Deal found 6/9![Delta logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 9/144:25 pm
AUS
- PDL
1 stop11h 40m
Multiple Airlines
Mon 9/215:30 pm
PDL
- AUS
2 stops45h 18m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$966
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/235:30 am
AUS
- OPO
2 stops19h 30m
United Airlines
Mon 10/512:35 pm
OPO
- AUS
1 stop27h 24m
United Airlines
Deal found 6/9![United Airlines logo]()
$881
This KLM deal was found by Cheapflights users on 6/14. 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 8/106:05 pm
AUS
- FAO
1 stop19h 25m
KLM
Wed 8/198:20 pm
FAO
- AUS
1 stop25h 50m
KLM
Deal found 6/14![KLM logo]()
$971
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 10/72:05 pm
AUS
- OPO
2 stops19h 20m
Delta
Sat 10/1712:55 pm
OPO
- AUS
2 stops17h 37m
Delta
Deal found 6/12![Delta logo]()
$878
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 9/87:15 am
AUS
- OPO
1 stop17h 00m
United Airlines
Tue 9/1512:15 pm
OPO
- AUS
2 stops35h 00m
United Airlines
Deal found 6/13![United Airlines logo]()
$907
This KLM deal was found by Cheapflights users on 6/11. 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.
Sun 8/2312:05 pm
AUS
- FAO
2 stops39h 05m
KLM
Sat 8/299:05 pm
FAO
- AUS
2 stops27h 51m
KLM
Deal found 6/11![KLM logo]()
$1,013
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:25 pm
AUS
- PDL
2 stops36h 20m
Multiple Airlines
Thu 7/169:30 am
PDL
- AUS
1 stop34h 55m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,028
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/96:09 am
AUS
- OPO
1 stop18h 46m
United Airlines
Sat 8/2211:20 am
OPO
- AUS
2 stops30h 29m
United Airlines
Deal found 6/13![United Airlines logo]()
$910
This KLM deal was found by Cheapflights users on 6/14. 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.
Thu 10/16:05 pm
AUS
- LIS
1 stop22h 45m
KLM
Tue 10/1310:00 am
LIS
- AUS
1 stop30h 20m
KLM
Deal found 6/14![KLM logo]()
$1,018
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 10/112:05 pm
AUS
- LIS
1 stop14h 40m
Delta
Thu 10/155:00 am
LIS
- AUS
1 stop17h 10m
Delta
Deal found 6/11![Delta logo]()
$935
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:40 am
AUS
- FAO
1 stop17h 15m
Multiple Airlines
Sat 8/296:50 pm
FAO
- AUS
2 stops27h 34m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,067
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:44 pm
AUS
- PDL
2 stops31h 36m
Air Canada
Sun 8/169:35 am
PDL
- AUS
2 stops38h 37m
Air Canada
Deal found 6/11![Air Canada logo]()
$1,321
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 10/115:14 pm
AUS
- LIS
1 stop11h 16m
United Airlines
Thu 10/1511:25 am
LIS
- AUS
3 stops41h 29m
United Airlines
Deal found 6/11![United Airlines logo]()
$935
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 7/2210:07 am
AUS
- LIS
2 stops19h 08m
Delta
Thu 7/305:00 am
LIS
- AUS
2 stops21h 53m
Delta
Deal found 6/12![Delta logo]()
$989
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 11/1411:33 am
AUS
- FNC
2 stops19h 57m
Multiple Airlines
Sat 11/2111:00 am
FNC
- AUS
3 stops30h 15m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,104
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/166:00 am
AUS
- LIS
1 stop20h 20m
United Airlines
Tue 9/2211:25 am
LIS
- AUS
2 stops39h 09m
United Airlines
Deal found 6/9![United Airlines logo]()
$955
This Delta deal was found by Cheapflights users on 6/11. 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 7/282:30 pm
AUS
- LIS
1 stop14h 15m
Delta
Fri 8/75:35 am
LIS
- AUS
2 stops23h 00m
Delta
Deal found 6/11![Delta logo]()
$992
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:40 am
AUS
- FNC
3 stops30h 00m
Multiple Airlines
Mon 8/319:25 am
FNC
- AUS
2 stops31h 20m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,187
This United Airlines deal was found by Cheapflights users on 6/14. 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 9/305:14 pm
AUS
- LIS
1 stop11h 16m
United Airlines
Mon 10/1211:25 am
LIS
- AUS
2 stops17h 29m
United Airlines
Deal found 6/14![United Airlines logo]()
$1,019
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated June 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/74:25 pm
AUS
- LIS
1 stop35h 10m
Multiple Airlines
Mon 7/276:15 am
LIS
- AUS
2 stops39h 10m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$898
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:25 am
AUS
- OPO
1 stop14h 35m
Air Canada
Wed 7/156:00 am
OPO
- AUS
2 stops34h 45m
Air Canada
Deal found 6/9![Air Canada logo]()
$918
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/86:09 am
AUS
- OPO
1 stop18h 46m
United Airlines
Wed 7/156:00 am
OPO
- AUS
2 stops34h 45m
United Airlines
Deal found 6/10![United Airlines logo]()
$919
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/83:45 pm
AUS
- OPO
2 stops17h 40m
Delta
Wed 7/1511:45 am
OPO
- AUS
2 stops18h 33m
Delta
Deal found 6/10![Delta logo]()
$924
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/96:09 am
AUS
- OPO
1 stop18h 46m
United Airlines
Thu 7/1611:50 am
OPO
- AUS
2 stops32h 51m
United Airlines
Deal found 6/11![United Airlines logo]()
$967
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:00 am
AUS
- LIS
2 stops42h 20m
Multiple Airlines
Mon 7/276:15 am
LIS
- AUS
2 stops34h 30m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 7/136:09 am
AUS
- OPO
1 stop21h 36m
United Airlines
Mon 7/2012:10 pm
OPO
- AUS
2 stops36h 01m
United Airlines
Deal found 6/9![United Airlines logo]()
$941
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:25 pm
AUS
- LIS
2 stops23h 20m
Multiple Airlines
Tue 7/216:15 am
LIS
- AUS
2 stops34h 30m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$958
This Travelocity deal was found by Cheapflights users on 6/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:25 am
AUS
- LIS
1 stop16h 55m
Air Canada
Tue 7/2111:25 am
LIS
- AUS
1 stop14h 47m
Air Canada
Deal found 6/12![Air Canada logo]()
$968
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sun 7/262:30 pm
AUS
- LIS
1 stop14h 15m
Multiple Airlines
Mon 8/106:15 am
LIS
- AUS
2 stops39h 10m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$943
This Gotogate deal was found by Cheapflights users on 6/13. 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 7/2610:25 am
AUS
- LIS
1 stop16h 55m
Air Canada
Tue 8/111:00 pm
LIS
- AUS
1 stop27h 45m
Air Canada
Deal found 6/13![Air Canada logo]()
$964
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 7/296:09 am
AUS
- OPO
1 stop21h 36m
United Airlines
Wed 8/511:20 am
OPO
- AUS
2 stops42h 00m
United Airlines
Deal found 6/13![United Airlines logo]()
$907
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 June 14, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:42 am
AUS
- LIS
3 stops51h 33m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 11/26:30 am
AUS
- OPO
1 stop21h 00m
United Airlines
Deal found 6/11![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 6/13. 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 12/67:15 am
AUS
- LIS
2 stops18h 55m
United Airlines
Deal found 6/13![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/13. 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 12/55:16 pm
AUS
- LIS
2 stops32h 54m
United Airlines
Deal found 6/13![United Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Sat 8/157:43 pm
AUS
- OPO
3 stops42h 57m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 8/74:25 pm
AUS
- PDL
1 stop12h 10m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/156:09 am
AUS
- FAO
1 stop21h 41m
United Airlines
Deal found 6/9![United Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 10/1511:15 am
AUS
- OPO
2 stops38h 30m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 10/157:15 am
AUS
- OPO
1 stop20h 30m
United Airlines
Deal found 6/12![United Airlines logo]()
$396
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:25 am
AUS
- FAO
3 stops27h 55m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Sat 8/157:43 pm
AUS
- LIS
3 stops43h 22m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 9/254:25 pm
AUS
- LIS
2 stops47h 30m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$426
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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $747 (Delta) |
One-way from | $317 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,219 |
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 June 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 - LIS
AUSLIS
Austin Bergstrom
Mon 10/26
2:15 pm-10:15 am
2 stops15h 00m
Lisbon Humberto Delgado
Tue 11/3
5:00 am-2:05 pm
1 stop15h 05m
$773
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Wed 12/2
6:30 am-8:10 am
1 stop19h 40m
Lisbon Humberto Delgado
Fri 12/11
1:00 pm-12:19 pm
1 stop29h 19m
$794
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 10/7
2:05 pm-3:25 pm
2 stops19h 20m
Porto
Fri 10/16
5:00 am-5:39 pm
2 stops18h 39m
$806
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Mon 9/21
6:05 pm-3:30 pm
1 stop15h 25m
Porto
Mon 9/28
5:00 am-4:10 pm
1 stop17h 10m
$857
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Thu 9/17
7:30 am-8:30 am
2 stops19h 00m
Porto
Thu 9/24
11:35 am-11:59 pm
2 stops18h 24m
$867
Quickest round-trip
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Thu 9/17
3:50 pm-10:30 am
1 stop12h 40m
Porto
Thu 9/24
1:25 pm-8:52 pm
1 stop13h 27m
$870
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 10/7
2:05 pm-3:25 pm
2 stops19h 20m
Porto
Sat 10/17
12:55 pm-12:32 am
2 stops17h 37m
$878
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 9/23
5:30 am-7:00 am
2 stops19h 30m
Porto
Mon 10/5
12:35 pm-9:59 am
1 stop27h 24m
$881
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 9/8
7:15 am-6:15 am
1 stop17h 00m
Porto
Tue 9/15
12:15 pm-5:15 pm
2 stops35h 00m
$907
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 8/9
6:09 am-6:55 am
1 stop18h 46m
Porto
Sat 8/22
11:20 am-11:49 am
2 stops30h 29m
$910
Showing 1-10 of 60 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-PDL
AUS-FAO
AUS-FNC
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-PDL
AUS-FAO
What is the cheapest month to book a flight from Austin to Portugal?
Currently, January is the cheapest month in which you can book a flight from Austin to Portugal (average of $310). Flying from Austin to Portugal in July is currently the most expensive (average of $726). 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 81 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 June 14, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, 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.
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 June 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 8 airlines flying from Austin to Portugal
Discover the top 8 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 June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$904 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$831 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$541 | Average$984 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$573 | Average$910 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,034 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$648 | Average$848 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$656 | Average$1,106 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$878 | Average$1,109 | FlexibilityNo cancel fee | On-time67% |