$382+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Jun 12 — Jun 191
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 May 13, 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 May 13, 2026.
This Lufthansa deal was found by Cheapflights users on 5/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:05 pm
AUS
- OPO
1 stop24h 40m
Lufthansa
Sat 10/106:00 am
OPO
- AUS
2 stops19h 50m
Lufthansa
Deal found 5/12![Lufthansa logo]()
$718
This United Airlines deal was found by Cheapflights users on 5/12. 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 11/162:00 pm
AUS
- OPO
1 stop13h 30m
United Airlines
Thu 11/1912:35 pm
OPO
- AUS
1 stop17h 11m
United Airlines
Deal found 5/12![United Airlines logo]()
$751
This FlightHub deal was found by Cheapflights users on 5/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:30 pm
AUS
- OPO
2 stops42h 15m
Scandinavian Airlines
Sun 11/155:35 pm
OPO
- AUS
2 stops36h 57m
Scandinavian Airlines
Deal found 5/13![Scandinavian Airlines logo]()
$762
This KLM deal was found by Cheapflights users on 5/12. 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.
Sun 10/186:00 pm
AUS
- OPO
2 stops15h 30m
KLM
Wed 10/284:10 pm
OPO
- AUS
1 stop29h 55m
KLM
Deal found 5/12![KLM logo]()
$774
This Air France deal was found by Cheapflights users on 5/12. 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.
Sun 10/186:45 pm
AUS
- OPO
1 stop33h 45m
Multiple Airlines
Wed 10/284:10 pm
OPO
- AUS
1 stop29h 55m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 5/9. 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 12/77:15 am
AUS
- LIS
1 stop21h 00m
United Airlines
Thu 12/101:00 pm
LIS
- AUS
2 stops34h 29m
United Airlines
Deal found 5/9![United Airlines logo]()
$782
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:39 pm
AUS
- OPO
2 stops18h 21m
American Airlines
Wed 10/288:40 pm
OPO
- AUS
2 stops20h 14m
American Airlines
Deal found 5/12![American Airlines logo]()
$785
This Air Canada deal was found by Cheapflights users on 5/12. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:10 pm
AUS
- LIS
1 stop15h 50m
Air Canada
Fri 12/111:00 pm
LIS
- AUS
2 stops30h 09m
Air Canada
Deal found 5/12![Air Canada logo]()
$785
This KLM deal was found by Cheapflights users on 5/11. 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.
Tue 10/277:30 am
AUS
- LIS
1 stop19h 30m
KLM
Tue 11/35:00 am
LIS
- AUS
2 stops19h 47m
KLM
Deal found 5/11![KLM logo]()
$786
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 12/26:30 am
AUS
- LIS
2 stops19h 30m
Delta
Fri 12/115:00 am
LIS
- AUS
2 stops22h 49m
Delta
Deal found 5/8![Delta logo]()
$790
This United Airlines deal was found by Cheapflights users on 5/12. 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 12/28:30 am
AUS
- LIS
1 stop17h 40m
United Airlines
Fri 12/111:00 pm
LIS
- AUS
1 stop29h 19m
United Airlines
Deal found 5/12![United Airlines logo]()
$795
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 9/265:16 pm
AUS
- OPO
2 stops34h 29m
United Airlines
Wed 10/712:45 pm
OPO
- AUS
2 stops41h 04m
United Airlines
Deal found 5/11![United Airlines logo]()
$796
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 May 13, 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 May 13, 2026.
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 9/265:40 pm
AUS
- OPO
1 stop34h 05m
United Airlines
Wed 10/712:45 pm
OPO
- AUS
2 stops41h 04m
United Airlines
Deal found 5/11![United Airlines logo]()
$797
This KLM deal was found by Cheapflights users on 5/13. 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 11/67:30 am
AUS
- OPO
1 stop19h 35m
KLM
Sun 11/154:10 pm
OPO
- AUS
1 stop29h 55m
KLM
Deal found 5/13![KLM logo]()
$834
This Delta deal was found by Cheapflights users on 5/11. 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.
Fri 9/255:00 pm
AUS
- OPO
2 stops16h 25m
Delta
Thu 10/85:00 am
OPO
- AUS
1 stop17h 10m
Delta
Deal found 5/11![Delta logo]()
$859
This Lufthansa deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:05 pm
AUS
- LIS
1 stop24h 10m
Lufthansa
Tue 9/2212:20 pm
LIS
- AUS
1 stop14h 13m
Lufthansa
Deal found 5/8![Lufthansa logo]()
$864
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Sat 8/2212:44 pm
AUS
- PDL
2 stops37h 01m
Multiple Airlines
Mon 8/319:35 am
PDL
- AUS
1 stop34h 50m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,020
This British Airways deal was found by Cheapflights users on 5/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:35 pm
AUS
- FAO
2 stops20h 35m
British Airways
Tue 9/2911:30 am
FAO
- AUS
1 stop15h 05m
British Airways
Deal found 5/9![British Airways logo]()
$1,106
This United Airlines deal was found by Cheapflights users on 5/11. 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 9/242:25 pm
AUS
- OPO
2 stops34h 45m
United Airlines
Tue 10/612:15 pm
OPO
- AUS
2 stops34h 19m
United Airlines
Deal found 5/11![United Airlines logo]()
$854
This KLM deal was found by Cheapflights users on 5/11. 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.
Sat 9/267:30 am
AUS
- OPO
1 stop20h 50m
KLM
Wed 10/711:45 am
OPO
- AUS
1 stop34h 25m
KLM
Deal found 5/11![KLM logo]()
$854
This Delta deal was found by Cheapflights users on 5/12. 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 9/173:35 pm
AUS
- OPO
2 stops17h 50m
Delta
Thu 10/15:00 am
OPO
- AUS
1 stop17h 10m
Delta
Deal found 5/12![Delta logo]()
$859
This Delta deal was found by Cheapflights users on 5/11. 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.
Fri 9/253:35 pm
AUS
- OPO
2 stops17h 50m
Delta
Wed 10/75:00 am
OPO
- AUS
2 stops18h 21m
Delta
Deal found 5/11![Delta logo]()
$868
This KLM deal was found by Cheapflights users on 5/9. 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 9/2712:20 pm
AUS
- OPO
2 stops16h 05m
KLM
Sun 10/1812:25 pm
OPO
- AUS
2 stops18h 07m
KLM
Deal found 5/9![KLM logo]()
$876
This United Airlines deal was found by Cheapflights users on 5/13. 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 9/87:17 am
AUS
- OPO
1 stop16h 58m
United Airlines
Tue 10/612:15 pm
OPO
- AUS
3 stops36h 56m
United Airlines
Deal found 5/13![United Airlines logo]()
$878
This Air Canada deal was found by Cheapflights users on 5/11. 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.
Sat 10/1711:35 am
AUS
- TER
2 stops30h 40m
Air Canada
Tue 10/201:40 pm
TER
- AUS
2 stops35h 38m
Air Canada
Deal found 5/11![Air Canada logo]()
$2,080
This KLM deal was found by Cheapflights users on 5/9. 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.
Tue 9/12:45 pm
AUS
- FAO
2 stops22h 45m
KLM
Tue 9/298:35 pm
FAO
- AUS
2 stops26h 40m
KLM
Deal found 5/9![KLM logo]()
$925
This United Airlines deal was found by Cheapflights users on 5/12. 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 7/610:09 am
AUS
- FAO
1 stop17h 11m
United Airlines
Tue 7/2111:40 am
FAO
- AUS
1 stop17h 45m
United Airlines
Deal found 5/12![United Airlines logo]()
$938
This Air France deal was found by Cheapflights users on 5/12. 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.
Tue 7/212:30 pm
AUS
- FAO
2 stops21h 10m
Multiple Airlines
Sun 7/269:50 pm
FAO
- AUS
2 stops24h 00m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,150
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 7/151:48 pm
AUS
- LIS
2 stops19h 07m
Delta
Thu 7/305:35 am
LIS
- AUS
2 stops22h 23m
Delta
Deal found 5/8![Delta logo]()
$997
This KLM deal was found by Cheapflights users on 5/11. 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.
Wed 8/512:00 pm
AUS
- FAO
2 stops20h 00m
KLM
Wed 8/1210:10 pm
FAO
- AUS
2 stops25h 09m
KLM
Deal found 5/11![KLM logo]()
$955
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/147:17 am
AUS
- LIS
1 stop19h 03m
United Airlines
Tue 9/2211:25 am
LIS
- AUS
3 stops38h 31m
United Airlines
Deal found 5/8![United Airlines logo]()
$957
This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:30 pm
AUS
- TER
2 stops38h 15m
Multiple Airlines
Mon 11/26:40 am
TER
- AUS
2 stops35h 30m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,169
This United Airlines deal was found by Cheapflights users on 5/10. 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 9/86:13 pm
AUS
- LIS
1 stop32h 07m
United Airlines
Tue 9/151:00 pm
LIS
- AUS
1 stop27h 48m
United Airlines
Deal found 5/10![United Airlines logo]()
$963
This KLM deal was found by Cheapflights users on 5/13. 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 8/233:00 pm
AUS
- FAO
2 stops36h 10m
KLM
Sat 8/299:05 pm
FAO
- AUS
2 stops29h 17m
KLM
Deal found 5/13![KLM logo]()
$985
This Mytrip deal was found by Cheapflights users on 5/10. 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.
Tue 6/910:25 am
AUS
- TER
2 stops30h 35m
Multiple Airlines
Tue 6/166:15 pm
TER
- AUS
3 stops45h 30m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,233
This Booking.com deal was found by Cheapflights users on 5/13. 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.
Fri 6/125:55 pm
AUS
- FNC
1 stop36h 40m
British Airways
Fri 6/191:10 pm
FNC
- AUS
2 stops38h 58m
British Airways
Deal found 5/13![British Airways logo]()
$1,539
This United Airlines deal was found by Cheapflights users on 5/10. 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 9/106:00 am
AUS
- LIS
1 stop20h 20m
United Airlines
Wed 9/1611:25 am
LIS
- AUS
2 stops34h 34m
United Airlines
Deal found 5/10![United Airlines logo]()
$1,027
This Mytrip deal was found by Cheapflights users on 5/10. 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.
Tue 6/1610:25 am
AUS
- PDL
3 stops16h 55m
Multiple Airlines
Tue 6/2310:30 am
PDL
- AUS
3 stops38h 47m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,270
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Thu 7/27:30 am
AUS
- LIS
1 stop21h 00m
United Airlines
Fri 7/101:00 pm
LIS
- AUS
2 stops30h 24m
United Airlines
Deal found 5/13![United Airlines logo]()
$1,052
This Expedia deal was found by Cheapflights users on 5/9. 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.
Sat 8/110:05 am
AUS
- FNC
1 stop15h 00m
Lufthansa
Fri 8/73:40 pm
FNC
- AUS
1 stop28h 20m
Lufthansa
Deal found 5/9![Lufthansa logo]()
$1,884
This Mytrip deal was found by Cheapflights users on 5/10. 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.
Sun 6/74:25 pm
AUS
- PDL
2 stops33h 25m
Multiple Airlines
Sun 6/146:05 pm
PDL
- AUS
3 stops31h 10m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,348
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Fri 10/97:15 am
AUS
- LIS
2 stops20h 05m
United Airlines
Sun 10/111:00 pm
LIS
- AUS
2 stops30h 14m
United Airlines
Deal found 5/12![United Airlines logo]()
$1,065
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated May 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/12. 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 5/136:00 am
AUS
- OPO
1 stop21h 45m
United Airlines
Wed 5/206:00 am
OPO
- AUS
2 stops23h 47m
United Airlines
Deal found 5/12![United Airlines logo]()
$975
This KLM deal was found by Cheapflights users on 5/13. 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.
Wed 5/136:14 pm
AUS
- OPO
2 stops22h 01m
KLM
Wed 5/207:10 pm
OPO
- AUS
1 stop27h 00m
KLM
Deal found 5/13![KLM logo]()
$976
This Delta deal was found by Cheapflights users on 5/12. 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 5/132:25 pm
AUS
- OPO
2 stops19h 00m
Delta
Wed 5/205:00 am
OPO
- AUS
2 stops23h 11m
Delta
Deal found 5/12![Delta logo]()
$980
This Delta deal was found by Cheapflights users on 5/9. 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 5/1412:27 pm
AUS
- OPO
2 stops20h 58m
Delta
Thu 5/215:00 am
OPO
- AUS
1 stop17h 10m
Delta
Deal found 5/9![Delta logo]()
$1,031
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Sun 6/74:30 pm
AUS
- LIS
1 stop35h 05m
Multiple Airlines
Sun 6/146:10 am
LIS
- AUS
2 stops39h 15m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,013
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/74:25 pm
AUS
- LIS
1 stop35h 10m
Multiple Airlines
Mon 6/226:15 am
LIS
- AUS
2 stops39h 10m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,033
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/74:25 pm
AUS
- LIS
1 stop35h 10m
Multiple Airlines
Sun 6/216:10 am
LIS
- AUS
2 stops39h 15m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,034
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/114:25 pm
AUS
- LIS
1 stop13h 40m
Multiple Airlines
Wed 6/245:40 pm
LIS
- AUS
1 stop27h 45m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,028
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Fri 6/124:30 pm
AUS
- LIS
2 stops46h 25m
Multiple Airlines
Mon 6/2211:35 am
LIS
- AUS
1 stop33h 50m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,003
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/124:30 pm
AUS
- LIS
2 stops46h 25m
Multiple Airlines
Sun 6/2111:35 am
LIS
- AUS
1 stop33h 50m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,004
This United Airlines deal was found by Cheapflights users on 5/11. 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 6/157:30 am
AUS
- OPO
2 stops17h 30m
United Airlines
Tue 6/2312:15 pm
OPO
- AUS
2 stops32h 26m
United Airlines
Deal found 5/11![United Airlines logo]()
$1,036
This FlightHub deal was found by Cheapflights users on 5/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:25 am
AUS
- OPO
1 stop14h 35m
Air Canada
Tue 7/712:15 pm
OPO
- AUS
2 stops32h 26m
Air Canada
Deal found 5/13![Air Canada logo]()
$1,032
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 May 13, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 9/195:00 pm
AUS
- OPO
2 stops31h 55m
United Airlines
Deal found 5/12![United Airlines logo]()
$382
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:13 pm
AUS
- OPO
1 stop30h 42m
Lufthansa
Deal found 5/12![Lufthansa logo]()
$387
This Delta deal was found by Cheapflights users on 5/12. 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.
Sat 10/36:45 pm
AUS
- OPO
1 stop33h 40m
Delta
Deal found 5/12![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 5/13. 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 11/68:53 am
AUS
- OPO
2 stops18h 37m
United Airlines
Deal found 5/13![United Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 7/255:23 pm
AUS
- LIS
3 stops46h 42m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Fri 10/27:30 pm
AUS
- OPO
2 stops56h 15m
United Airlines
Deal found 5/12![United Airlines logo]()
$399
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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.
Fri 11/67:00 pm
AUS
- LIS
1 stop16h 55m
British Airways
Deal found 5/13![British Airways logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 7/1112:44 pm
AUS
- OPO
3 stops49h 41m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 11/66:45 am
AUS
- LIS
3 stops44h 20m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 7/201:40 pm
AUS
- LIS
3 stops50h 05m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$423
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:55 pm
AUS
- LIS
1 stop23h 15m
British Airways
Deal found 5/11![British Airways logo]()
$428
This Air France deal was found by Cheapflights users on 5/12. 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.
Fri 10/23:35 pm
AUS
- OPO
1 stop12h 55m
Air France
Deal found 5/12![Air France logo]()
$436
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 May 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $718 (Lufthansa) |
One-way from | $382 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $903 |
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 May 13, 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
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sat 9/26
5:40 pm-9:45 am
1 stop34h 05m
Porto
Wed 10/7
12:45 pm-11:49 pm
2 stops41h 04m
$797
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Fri 11/6
7:30 am-9:05 am
1 stop19h 35m
Porto
Sun 11/15
4:10 pm-4:05 pm
1 stop29h 55m
$834
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Thu 9/24
2:25 pm-7:10 am
2 stops34h 45m
Porto
Tue 10/6
12:15 pm-4:34 pm
2 stops34h 19m
$854
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sat 9/26
7:30 am-10:20 am
1 stop20h 50m
Porto
Wed 10/7
11:45 am-4:10 pm
1 stop34h 25m
$854
Quickest round-trip
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Fri 9/25
5:00 pm-3:25 pm
2 stops16h 25m
Porto
Thu 10/8
5:00 am-4:10 pm
1 stop17h 10m
$859
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Thu 9/17
3:35 pm-3:25 pm
2 stops17h 50m
Porto
Thu 10/1
5:00 am-4:10 pm
1 stop17h 10m
$859
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Mon 9/14
4:05 pm-10:15 pm
1 stop24h 10m
Lisbon Humberto Delgado
Tue 9/22
12:20 pm-8:33 pm
1 stop14h 13m
$864
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Fri 9/25
3:35 pm-3:25 pm
2 stops17h 50m
Porto
Wed 10/7
5:00 am-5:21 pm
2 stops18h 21m
$868
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 9/27
12:20 pm-10:25 am
2 stops16h 05m
Porto
Sun 10/18
12:25 pm-12:32 am
2 stops18h 07m
$876
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 9/8
7:17 am-6:15 am
1 stop16h 58m
Porto
Tue 10/6
12:15 pm-7:11 pm
3 stops36h 56m
$878
Showing 1-10 of 53 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-TER
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Austin to Portugal
AUS-PT0
AUS-OPO
AUS-LIS
AUS-PDL
AUS-FAO
How far ahead should I book a flight from Austin to Portugal?
The best time to book flights from Austin to Portugal is 85 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.
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 $736). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated May 13, 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.
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
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.
Browse thousands of different options on Cheapflights for your next trip
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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 May 13, 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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$510 | Average$964 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$531 | Average$908 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$978 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$581 | Average$1,032 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,034 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$620 | Average$1,094 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$648 | Average$797 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$758 | Average$1,362 | FlexibilityNo cancel fee | On-time67% |