$328+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Jun 25 — Jul 21
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 26, 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 26, 2026.
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 11/156:30 am
AUS
- OPO
1 stop21h 00m
United Airlines
Thu 11/196:00 am
OPO
- AUS
2 stops23h 38m
United Airlines
Deal found 5/21![United Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:30 am
AUS
- OPO
1 stop19h 00m
United Airlines
Thu 11/1912:35 pm
OPO
- AUS
1 stop17h 11m
United Airlines
Deal found 5/25![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 10/256:30 am
AUS
- LIS
1 stop20h 40m
United Airlines
Thu 11/55:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 5/21![United Airlines logo]()
$774
This Justfly.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:16 pm
AUS
- LIS
1 stop10h 59m
Lufthansa
Fri 12/115:00 am
LIS
- AUS
2 stops22h 45m
Lufthansa
Deal found 5/25![Lufthansa logo]()
$777
This KAYAK deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 pm
AUS
- LIS
1 stop31h 10m
Lufthansa
Fri 12/111:00 pm
LIS
- AUS
1 stop29h 19m
Lufthansa
Deal found 5/25![Lufthansa logo]()
$782
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 12/22:05 pm
AUS
- LIS
1 stop12h 55m
Delta
Fri 12/115:00 am
LIS
- AUS
2 stops22h 49m
Delta
Deal found 5/21![Delta logo]()
$785
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 9/237:30 am
AUS
- OPO
1 stop21h 00m
KLM
Wed 9/304:20 pm
OPO
- AUS
1 stop29h 50m
KLM
Deal found 5/22![KLM logo]()
$793
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 12/22:00 pm
AUS
- LIS
1 stop12h 10m
United Airlines
Fri 12/111:00 pm
LIS
- AUS
1 stop29h 19m
United Airlines
Deal found 5/21![United Airlines logo]()
$794
This Air France deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm
AUS
- OPO
2 stops16h 55m
Multiple Airlines
Wed 9/307:10 pm
OPO
- AUS
1 stop27h 00m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$797
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 10/73:35 pm
AUS
- OPO
1 stop12h 55m
Delta
Fri 10/165:00 am
OPO
- AUS
2 stops18h 39m
Delta
Deal found 5/22![Delta logo]()
$803
This Mytrip deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/214:25 pm
AUS
- LIS
2 stops23h 20m
Multiple Airlines
Mon 6/296:15 am
LIS
- AUS
2 stops34h 30m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$807
This KAYAK deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:10 am
AUS
- OPO
1 stop21h 35m
SWISS
Fri 10/168:40 am
OPO
- AUS
2 stops31h 42m
SWISS
Deal found 5/26![SWISS logo]()
$809
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 26, 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 26, 2026.
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:59 am
AUS
- OPO
2 stops15h 31m
United Airlines
Tue 11/1712:35 pm
OPO
- AUS
2 stops27h 47m
United Airlines
Deal found 5/24![United Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:40 pm
AUS
- OPO
2 stops19h 45m
Delta
Fri 10/165:00 am
OPO
- AUS
2 stops18h 39m
Delta
Deal found 5/25![Delta logo]()
$807
This KAYAK deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:10 am
AUS
- OPO
1 stop21h 35m
SWISS
Fri 10/168:40 am
OPO
- AUS
2 stops31h 42m
SWISS
Deal found 5/26![SWISS logo]()
$809
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 11/85:00 pm
AUS
- FNC
2 stops58h 35m
KLM
Sun 11/1510:10 am
FNC
- AUS
2 stops37h 24m
KLM
Deal found 5/22![KLM logo]()
$851
This Gotogate deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:10 pm
AUS
- TER
2 stops41h 35m
Multiple Airlines
Mon 11/2312:35 pm
TER
- AUS
2 stops52h 44m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,062
This FlightHub deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 5/24![Air Canada logo]()
$1,095
This Finnair deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/53:27 pm
AUS
- LIS
2 stops25h 58m
Finnair
Tue 7/216:35 am
LIS
- AUS
2 stops21h 25m
Finnair
Deal found 5/24![Finnair logo]()
$1,107
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:30 am
AUS
- OPO
1 stop19h 00m
United Airlines
Thu 11/1912:35 pm
OPO
- AUS
1 stop17h 11m
United Airlines
Deal found 5/25![United Airlines logo]()
$751
This Priceline deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:20 pm
AUS
- FNC
2 stops56h 00m
British Airways
Mon 6/226:55 pm
FNC
- AUS
2 stops30h 24m
British Airways
Deal found 5/24![British Airways logo]()
$1,587
This FlightHub deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:15 am
AUS
- FNC
2 stops40h 05m
TAP AIR PORTUGAL
Mon 6/227:35 pm
FNC
- AUS
2 stops43h 49m
TAP AIR PORTUGAL
Deal found 5/24![TAP AIR PORTUGAL logo]()
$1,628
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 11/153:55 pm
AUS
- OPO
1 stop13h 50m
United Airlines
Thu 11/1912:35 pm
OPO
- AUS
1 stop17h 11m
United Airlines
Deal found 5/21![United Airlines logo]()
$766
This KLM deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:05 pm
AUS
- FAO
1 stop17h 20m
KLM
Mon 10/59:45 pm
FAO
- AUS
2 stops27h 02m
KLM
Deal found 5/23![KLM logo]()
$857
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:45 pm
AUS
- OPO
2 stops21h 15m
Delta
Sun 10/1812:25 pm
OPO
- AUS
2 stops28h 40m
Delta
Deal found 5/23![Delta logo]()
$879
This KLM deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:40 pm
AUS
- FAO
2 stops22h 50m
KLM
Tue 10/208:35 pm
FAO
- AUS
2 stops27h 04m
KLM
Deal found 5/24![KLM logo]()
$861
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 9/277:30 am
AUS
- OPO
1 stop20h 55m
KLM
Sun 10/1812:25 pm
OPO
- AUS
1 stop15h 24m
KLM
Deal found 5/22![KLM logo]()
$871
This United Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:00 pm
AUS
- OPO
1 stop32h 55m
United Airlines
Wed 10/1411:20 am
OPO
- AUS
2 stops17h 13m
United Airlines
Deal found 5/23![United Airlines logo]()
$880
This Gotogate deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 11/151:10 pm
AUS
- TER
2 stops40h 50m
Multiple Airlines
Mon 11/2312:35 pm
TER
- AUS
2 stops52h 44m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$1,075
This Orbitz deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:40 am
AUS
- PDL
1 stop15h 40m
Air Canada
Wed 8/199:35 am
PDL
- AUS
1 stop30h 10m
Air Canada
Deal found 5/24![Air Canada logo]()
$1,188
This KLM deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm
AUS
- FAO
1 stop31h 55m
KLM
Fri 9/258:50 am
FAO
- AUS
1 stop37h 20m
KLM
Deal found 5/25![KLM logo]()
$908
This American Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 11/1411:10 am
AUS
- FNC
2 stops20h 20m
Multiple Airlines
Sat 11/2111:00 am
FNC
- AUS
3 stops27h 28m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$1,105
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:57 pm
AUS
- FAO
2 stops34h 58m
United Airlines
Mon 8/313:25 pm
FAO
- AUS
2 stops48h 33m
United Airlines
Deal found 5/25![United Airlines logo]()
$937
This Justfly.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Thu 7/2311:40 am
AUS
- PDL
1 stop15h 40m
Air Canada
Wed 8/59:35 am
PDL
- AUS
2 stops29h 21m
Air Canada
Deal found 5/22![Air Canada logo]()
$1,193
This Mytrip deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:25 pm
AUS
- PDL
1 stop10h 55m
Multiple Airlines
Wed 8/196:30 am
PDL
- AUS
2 stops33h 15m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,156
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:30 am
AUS
- LIS
2 stops18h 45m
Delta
Thu 7/95:00 am
LIS
- AUS
1 stop17h 10m
Delta
Deal found 5/25![Delta logo]()
$1,284
This KLM deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 8/234:32 pm
AUS
- FAO
2 stops34h 38m
KLM
Sat 8/299:05 pm
FAO
- AUS
2 stops27h 46m
KLM
Deal found 5/21![KLM logo]()
$984
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:30 am
AUS
- LIS
1 stop21h 00m
United Airlines
Tue 7/2111:25 am
LIS
- AUS
2 stops18h 00m
United Airlines
Deal found 5/24![United Airlines logo]()
$990
This Mytrip deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:25 am
AUS
- PDL
3 stops32h 20m
Multiple Airlines
Sat 8/2211:30 am
PDL
- AUS
2 stops34h 10m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,175
This KLM deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:42 am
AUS
- FAO
2 stops16h 48m
KLM
Tue 9/88:35 pm
FAO
- AUS
2 stops26h 35m
KLM
Deal found 5/25![KLM logo]()
$994
This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 7/67:05 am
AUS
- FAO
1 stop20h 15m
United Airlines
Mon 7/1311:40 am
FAO
- AUS
1 stop17h 45m
United Airlines
Deal found 5/22![United Airlines logo]()
$1,017
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:48 pm
AUS
- LIS
2 stops19h 07m
Delta
Tue 6/305:00 am
LIS
- AUS
2 stops24h 10m
Delta
Deal found 5/23![Delta logo]()
$1,407
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated May 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:24 pm
AUS
- PDL
2 stops34h 16m
United Airlines
Fri 6/1211:00 am
PDL
- AUS
2 stops17h 44m
United Airlines
Deal found 5/23![United Airlines logo]()
$947
This Rumbo deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:05 am
AUS
- PDL
1 stop17h 35m
Lufthansa
Fri 6/1211:00 am
PDL
- AUS
1 stop16h 24m
Lufthansa
Deal found 5/23![Lufthansa logo]()
$1,009
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/84:25 pm
AUS
- LIS
2 stops47h 20m
Multiple Airlines
Mon 6/2211:35 am
LIS
- AUS
1 stop33h 50m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$967
This Lufthansa deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:05 pm
AUS
- LIS
1 stop25h 30m
Lufthansa
Sun 6/214:30 pm
LIS
- AUS
1 stop27h 30m
Lufthansa
Deal found 5/24![Lufthansa logo]()
$879
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 6/175:40 pm
LIS
- AUS
1 stop27h 45m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$940
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
2 stops24h 10m
Multiple Airlines
Mon 6/2211:35 am
LIS
- AUS
1 stop33h 50m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$948
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/124:25 pm
AUS
- LIS
2 stops23h 20m
Multiple Airlines
Mon 6/2211:35 am
LIS
- AUS
1 stop33h 50m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$959
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/144:25 pm
AUS
- LIS
2 stops23h 20m
Multiple Airlines
Mon 6/2211:35 am
LIS
- AUS
1 stop33h 50m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$876
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/144:25 pm
AUS
- LIS
2 stops23h 20m
Multiple Airlines
Wed 6/175:40 pm
LIS
- AUS
1 stop27h 45m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$902
This Mytrip deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/214:25 pm
AUS
- LIS
2 stops23h 20m
Multiple Airlines
Mon 6/296:15 am
LIS
- AUS
2 stops34h 30m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$807
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/214:25 pm
AUS
- LIS
1 stop35h 10m
Multiple Airlines
Sun 6/286:10 am
LIS
- AUS
2 stops39h 15m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:05 am
AUS
- OPO
1 stop17h 50m
United Airlines
Thu 7/3011:50 am
OPO
- AUS
2 stops35h 08m
United Airlines
Deal found 5/23![United Airlines 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 26, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Lufthansa deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:15 am
AUS
- LIS
1 stop21h 20m
Lufthansa
Deal found 5/23![Lufthansa logo]()
$328
This Mytrip deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 10/269:55 am
AUS
- LIS
1 stop18h 55m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$355
This TravelUp deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:16 pm
AUS
- LIS
1 stop10h 59m
Lufthansa
Deal found 5/22![Lufthansa logo]()
$361
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:01 pm
AUS
- FNC
1 stop33h 34m
KLM
Deal found 5/22![KLM logo]()
$368
This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 11/94:00 pm
AUS
- LIS
3 stops35h 50m
United Airlines
Deal found 5/22![United Airlines logo]()
$383
This Mytrip deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:25 am
AUS
- LIS
3 stops29h 20m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:25 pm
AUS
- LIS
2 stops47h 20m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$394
This Mytrip deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:40 am
AUS
- LIS
2 stops25h 10m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$406
This Cheapflightsfares deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:30 pm
AUS
- LIS
1 stop18h 35m
British Airways
Deal found 5/25![British Airways logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Wed 7/1510:43 am
AUS
- LIS
3 stops39h 17m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$453
This British Airways deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:55 pm
AUS
- LIS
1 stop17h 50m
British Airways
Deal found 5/23![British Airways logo]()
$456
This Justfly.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:25 am
AUS
- OPO
1 stop14h 35m
Air Canada
Deal found 5/25![Air Canada logo]()
$462
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $742 (United Airlines) |
One-way from | $328 (Lufthansa) |
Popular in | June |
Cheapest in | February |
Average price | $958 |
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 26, 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
Tue 11/3
11:59 am-9:30 am
2 stops15h 31m
Porto
Tue 11/17
12:35 pm-10:22 am
2 stops27h 47m
$746
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Mon 11/16
8:30 am-9:30 am
1 stop19h 00m
Porto
Thu 11/19
12:35 pm-11:46 pm
1 stop17h 11m
$751
Quickest round-trip
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 11/15
3:55 pm-11:45 am
1 stop13h 50m
Porto
Thu 11/19
12:35 pm-11:46 pm
1 stop17h 11m
$766
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 10/7
1:40 pm-3:25 pm
2 stops19h 45m
Porto
Fri 10/16
5:00 am-5:39 pm
2 stops18h 39m
$807
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 10/7
6:10 am-9:45 am
1 stop21h 35m
Porto
Fri 10/16
8:40 am-10:22 am
2 stops31h 42m
$809
AustinFunchal
AUS - FNC
AUSFNC
Austin Bergstrom
Sun 11/8
5:00 pm-9:35 am
2 stops58h 35m
Funchal Madeira
Sun 11/15
10:10 am-5:34 pm
2 stops37h 24m
$851
AustinFaro
AUS - FAO
AUSFAO
Austin Bergstrom
Mon 9/28
6:05 pm-5:25 pm
1 stop17h 20m
Faro
Mon 10/5
9:45 pm-6:47 pm
2 stops27h 02m
$857
AustinFaro
AUS - FAO
AUSFAO
Austin Bergstrom
Tue 10/6
2:40 pm-7:30 pm
2 stops22h 50m
Faro
Tue 10/20
8:35 pm-5:39 pm
2 stops27h 04m
$861
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 9/27
7:30 am-10:25 am
1 stop20h 55m
Porto
Sun 10/18
12:25 pm-9:49 pm
1 stop15h 24m
$871
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sat 10/10
6:45 pm-10:00 pm
2 stops21h 15m
Porto
Sun 10/18
12:25 pm-11:05 am
2 stops28h 40m
$879
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Austin to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Austin with our price prediction graph.
AUS-LIS
AUS-FNC
AUS-OPO
AUS-TER
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-LIS
AUS-FNC
AUS-OPO
AUS-TER
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 84 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 May 26, 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
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Entertainment
7.8
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 May 26, 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$884 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$510 | Average$825 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$541 | Average$969 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$581 | Average$1,027 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,034 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$633 | Average$1,101 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$648 | Average$797 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$758 | Average$1,362 | FlexibilityNo cancel fee | On-time67% |