$252+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Aug 15 — Aug 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Austin to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Austin to Portugal
Cheapest
Best
Last-minute
One-way
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 July 16, 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 July 16, 2026.
This Gotogate deal was found by Cheapflights users on 7/11. 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 stop19h 45m
Multiple Airlines
Thu 11/55:00 am
LIS
- AUS
2 stops36h 11m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$707
This Gotogate deal was found by Cheapflights users on 7/11. 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.
Tue 11/1012:05 pm
AUS
- LIS
1 stop15h 15m
Multiple Airlines
Tue 11/175:00 am
LIS
- AUS
1 stop15h 05m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$711
This Gotogate deal was found by Cheapflights users on 7/13. 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 11/112:05 pm
AUS
- LIS
1 stop15h 15m
Multiple Airlines
Wed 11/115:00 am
LIS
- AUS
2 stops36h 11m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$712
This FlightHub deal was found by Cheapflights users on 7/13. 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.
Mon 10/269:55 am
AUS
- LIS
1 stop19h 45m
Air Canada
Tue 11/312:50 pm
LIS
- AUS
2 stops32h 52m
Air Canada
Deal found 7/13![Air Canada logo]()
$725
This Gotogate deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:55 pm
AUS
- LIS
1 stop24h 55m
Multiple Airlines
Wed 11/115:00 am
LIS
- AUS
2 stops36h 11m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$726
This Expedia deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:05 pm
AUS
- LIS
1 stop14h 50m
Air Canada
Wed 11/1111:20 am
LIS
- AUS
1 stop29h 51m
Air Canada
Deal found 7/12![Air Canada logo]()
$727
This United Airlines deal was found by Cheapflights users on 7/12. 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 10/269:55 am
AUS
- LIS
1 stop19h 45m
United Airlines
Thu 11/510:55 am
LIS
- AUS
2 stops34h 14m
United Airlines
Deal found 7/12![United Airlines logo]()
$729
This Gotogate deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:05 pm
AUS
- LIS
1 stop14h 50m
Multiple Airlines
Thu 12/175:00 am
LIS
- AUS
2 stops36h 11m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$730
This United Airlines deal was found by Cheapflights users on 7/12. 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 11/42:25 pm
AUS
- LIS
1 stop11h 45m
United Airlines
Wed 11/1111:20 am
LIS
- AUS
2 stops31h 57m
United Airlines
Deal found 7/12![United Airlines logo]()
$731
This Gotogate deal was found by Cheapflights users on 7/11. 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.
Fri 11/612:05 pm
AUS
- LIS
2 stops15h 15m
Air Canada
Fri 11/205:00 am
LIS
- AUS
2 stops36h 11m
Air Canada
Deal found 7/11![Air Canada logo]()
$732
This Delta deal was found by Cheapflights users on 7/12. 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 11/1811:20 am
AUS
- OPO
1 stop15h 45m
Delta
Wed 11/2511:15 am
OPO
- AUS
1 stop34h 50m
Delta
Deal found 7/12![Delta logo]()
$733
This KLM deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:01 pm
AUS
- OPO
1 stop15h 24m
KLM
Thu 12/35:00 am
OPO
- AUS
1 stop17h 05m
KLM
Deal found 7/16![KLM logo]()
$736
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 July 16, 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 July 16, 2026.
This Delta deal was found by Cheapflights users on 7/12. 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 11/1811:20 am
AUS
- OPO
1 stop15h 45m
Delta
Wed 11/2511:15 am
OPO
- AUS
1 stop34h 50m
Delta
Deal found 7/12![Delta logo]()
$733
This KLM deal was found by Cheapflights users on 7/12. 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 11/236:01 pm
AUS
- OPO
1 stop15h 24m
KLM
Thu 12/35:00 am
OPO
- AUS
1 stop17h 05m
KLM
Deal found 7/12![KLM logo]()
$737
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:00 pm
AUS
- OPO
1 stop13h 30m
United Airlines
Thu 12/106:00 am
OPO
- AUS
2 stops20h 56m
United Airlines
Deal found 7/15![United Airlines logo]()
$741
This British Airways deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:55 pm
AUS
- LIS
1 stop33h 00m
British Airways
Wed 12/163:55 pm
LIS
- AUS
1 stop30h 50m
British Airways
Deal found 7/15![British Airways logo]()
$773
This American Airlines deal was found by Cheapflights users on 7/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:10 pm
AUS
- FNC
2 stops19h 20m
Multiple Airlines
Sat 11/2111:00 am
FNC
- AUS
3 stops32h 04m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$918
This Lufthansa deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:05 pm
AUS
- LIS
1 stop17h 25m
Lufthansa
Mon 9/1412:35 pm
LIS
- AUS
1 stop31h 25m
Lufthansa
Deal found 7/15![Lufthansa logo]()
$948
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:15 pm
AUS
- OPO
2 stops16h 20m
Delta
Thu 12/35:00 am
OPO
- AUS
1 stop17h 05m
Delta
Deal found 7/14![Delta logo]()
$737
This United Airlines deal was found by Cheapflights users on 7/11. 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.
Wed 11/186:00 am
AUS
- OPO
1 stop21h 30m
United Airlines
Wed 11/2512:35 pm
OPO
- AUS
1 stop14h 16m
United Airlines
Deal found 7/11![United Airlines logo]()
$750
This KLM deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/302:05 pm
AUS
- LIS
1 stop12h 55m
KLM
Tue 12/1510:00 am
LIS
- AUS
1 stop17h 49m
KLM
Deal found 7/15![KLM logo]()
$771
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:55 pm
AUS
- OPO
1 stop17h 25m
United Airlines
Wed 11/412:35 pm
OPO
- AUS
1 stop16h 27m
United Airlines
Deal found 7/12![United Airlines logo]()
$764
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:30 am
AUS
- OPO
1 stop19h 35m
Delta
Sun 11/85:00 am
OPO
- AUS
2 stops22h 20m
Delta
Deal found 7/16![Delta logo]()
$792
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:15 am
AUS
- LIS
1 stop20h 50m
United Airlines
Thu 12/105:00 am
LIS
- AUS
1 stop15h 05m
United Airlines
Deal found 7/15![United Airlines logo]()
$772
This United deal was found by Cheapflights users on 7/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:32 pm
AUS
- FAO
2 stops58h 23m
Multiple Airlines
Mon 9/283:55 pm
FAO
- AUS
2 stops28h 05m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$984
This KLM deal was found by Cheapflights users on 7/13. 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 8/123:00 pm
AUS
- FAO
2 stops17h 00m
KLM
Wed 8/1910:10 pm
FAO
- AUS
2 stops23h 40m
KLM
Deal found 7/13![KLM logo]()
$921
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:30 am
AUS
- LIS
2 stops19h 20m
Delta
Sun 10/115:00 am
LIS
- AUS
2 stops22h 20m
Delta
Deal found 7/15![Delta logo]()
$859
This United Airlines deal was found by Cheapflights users on 7/12. 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 11/1612:25 pm
AUS
- LIS
2 stops15h 55m
United Airlines
Thu 11/1912:20 pm
LIS
- AUS
2 stops16h 55m
United Airlines
Deal found 7/12![United Airlines logo]()
$800
This KLM deal was found by Cheapflights users on 7/12. 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 8/96:04 pm
AUS
- FAO
2 stops19h 26m
KLM
Tue 8/188:20 pm
FAO
- AUS
2 stops26h 59m
KLM
Deal found 7/12![KLM logo]()
$921
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/72:00 pm
AUS
- LIS
1 stop12h 10m
United Airlines
Fri 1/1511:20 am
LIS
- AUS
2 stops31h 47m
United Airlines
Deal found 7/14![United Airlines logo]()
$825
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/214:25 pm
AUS
- PDL
1 stop11h 40m
Multiple Airlines
Sat 9/267:35 pm
PDL
- AUS
2 stops48h 50m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,124
This KLM deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 pm
AUS
- FAO
1 stop17h 20m
KLM
Wed 9/28:20 pm
FAO
- AUS
1 stop25h 50m
KLM
Deal found 7/15![KLM logo]()
$938
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:35 am
AUS
- LIS
1 stop17h 30m
United Airlines
Fri 10/161:00 pm
LIS
- AUS
2 stops30h 58m
United Airlines
Deal found 7/16![United Airlines logo]()
$854
This KLM deal was found by Cheapflights users on 7/14. 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.
Wed 8/266:04 pm
AUS
- FAO
2 stops19h 26m
KLM
Wed 9/28:20 pm
FAO
- AUS
1 stop25h 50m
KLM
Deal found 7/14![KLM logo]()
$943
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/184:25 pm
AUS
- PDL
1 stop33h 15m
Multiple Airlines
Sat 9/267:35 pm
PDL
- AUS
2 stops48h 50m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,197
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:00 am
AUS
- PDL
1 stop21h 40m
Lufthansa
Sat 9/511:00 am
PDL
- AUS
1 stop16h 58m
Lufthansa
Deal found 7/15![Lufthansa logo]()
$1,452
This KLM deal was found by Cheapflights users on 7/11. 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 12/126:01 pm
AUS
- FAO
1 stop13h 49m
KLM
Sat 12/192:40 pm
FAO
- AUS
2 stops32h 41m
KLM
Deal found 7/11![KLM logo]()
$958
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:20 am
AUS
- PDL
2 stops19h 25m
Multiple Airlines
Fri 9/256:05 pm
PDL
- AUS
1 stop24h 35m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,219
This United Airlines deal was found by Cheapflights users on 7/11. 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 12/1212:20 pm
AUS
- FAO
2 stops18h 15m
United Airlines
Sat 12/191:25 pm
FAO
- AUS
3 stops55h 55m
United Airlines
Deal found 7/11![United Airlines logo]()
$923
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:40 am
AUS
- PDL
1 stop14h 00m
Azores Airlines
Fri 9/254:55 pm
PDL
- AUS
1 stop22h 53m
Azores Airlines
Deal found 7/15![Azores Airlines logo]()
$3,601
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/1010:11 am
AUS
- FAO
1 stop16h 59m
United Airlines
Mon 8/243:25 pm
FAO
- AUS
1 stop28h 35m
United Airlines
Deal found 7/12![United Airlines logo]()
$949
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:25 pm
AUS
- PDL
1 stop33h 15m
Multiple Airlines
Sat 9/56:15 pm
PDL
- AUS
2 stops50h 10m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$1,265
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated July 16, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated July 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:07 am
AUS
- OPO
1 stop17h 23m
Delta
Thu 8/205:00 am
OPO
- AUS
1 stop17h 10m
Delta
Deal found 7/13![Delta logo]()
$853
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Mon 8/106:09 am
AUS
- OPO
1 stop18h 46m
United Airlines
Fri 8/216:00 am
OPO
- AUS
2 stops23h 05m
United Airlines
Deal found 7/13![United Airlines logo]()
$862
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:55 pm
AUS
- OPO
2 stops16h 30m
Delta
Wed 8/195:00 am
OPO
- AUS
2 stops21h 22m
Delta
Deal found 7/13![Delta logo]()
$866
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/144:25 pm
AUS
- FAO
1 stop13h 15m
Multiple Airlines
Wed 8/268:05 pm
FAO
- AUS
2 stops49h 20m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$889
This FlightHub deal was found by Cheapflights users on 7/13. 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.
Sun 8/164:25 pm
AUS
- FAO
1 stop13h 15m
Air Transat
Wed 8/261:25 pm
FAO
- AUS
1 stop32h 00m
Air Transat
Deal found 7/13![Air Transat logo]()
$891
This United Airlines deal was found by Cheapflights users on 7/11. 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.
Wed 8/1911:00 am
AUS
- OPO
1 stop13h 55m
United Airlines
Wed 9/1611:20 am
OPO
- AUS
3 stops38h 37m
United Airlines
Deal found 7/11![United Airlines logo]()
$850
This Expedia deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:25 pm
AUS
- OPO
1 stop13h 20m
Air Transat
Thu 9/31:30 pm
OPO
- AUS
1 stop31h 55m
Air Transat
Deal found 7/13![Air Transat logo]()
$868
This FlightHub deal was found by Cheapflights users on 7/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:25 pm
AUS
- FAO
1 stop13h 15m
Air Transat
Wed 9/91:25 pm
FAO
- AUS
1 stop32h 00m
Air Transat
Deal found 7/14![Air Transat logo]()
$796
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:25 pm
AUS
- FAO
1 stop13h 15m
Multiple Airlines
Thu 9/109:20 pm
FAO
- AUS
2 stops42h 52m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:25 pm
AUS
- FAO
1 stop13h 15m
Multiple Airlines
Tue 9/811:30 am
FAO
- AUS
2 stops52h 42m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$865
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:25 pm
AUS
- FAO
1 stop13h 15m
Multiple Airlines
Wed 9/97:30 am
FAO
- AUS
2 stops32h 42m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$869
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:25 pm
AUS
- FAO
1 stop13h 15m
Multiple Airlines
Fri 9/116:20 am
FAO
- AUS
2 stops33h 52m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$890
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 July 16, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:15 am
AUS
- LIS
3 stops30h 35m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/286:15 am
AUS
- LIS
3 stops57h 40m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1211:00 am
AUS
- OPO
3 stops40h 25m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/2811:15 am
AUS
- LIS
3 stops25h 40m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:34 pm
AUS
- FAO
3 stops43h 11m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:15 am
AUS
- LIS
3 stops51h 05m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 9/58:15 pm
AUS
- LIS
3 stops42h 50m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:48 am
AUS
- OPO
1 stop16h 42m
United Airlines
Deal found 7/12![United Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Wed 8/511:00 am
AUS
- OPO
3 stops37h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$347
This Travelocity deal was found by Cheapflights users on 7/12. 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.
Sun 11/2912:05 pm
AUS
- LIS
1 stop15h 15m
Air Canada
Deal found 7/12![Air Canada logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 11/148:21 pm
AUS
- LIS
3 stops42h 39m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/611:20 am
AUS
- OPO
2 stops17h 15m
Delta
Deal found 7/14![Delta logo]()
$350
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 July 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $707 (Gotogate) |
One-way from | $252 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,006 |
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 July 16, 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
Wed 11/18
11:20 am-9:05 am
1 stop15h 45m
Porto
Wed 11/25
11:15 am-4:05 pm
1 stop34h 50m
$733
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Mon 11/23
6:01 pm-3:25 pm
1 stop15h 24m
Porto
Thu 12/3
5:00 am-4:05 pm
1 stop17h 05m
$737
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Mon 11/23
12:15 pm-10:35 am
2 stops16h 20m
Porto
Thu 12/3
5:00 am-4:05 pm
1 stop17h 05m
$737
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Mon 12/7
2:00 pm-9:30 am
1 stop13h 30m
Porto
Thu 12/10
6:00 am-8:56 pm
2 stops20h 56m
$741
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 11/18
6:00 am-9:30 am
1 stop21h 30m
Porto
Wed 11/25
12:35 pm-8:51 pm
1 stop14h 16m
$750
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Sun 11/1
3:55 pm-3:20 pm
1 stop17h 25m
Porto
Wed 11/4
12:35 pm-11:02 pm
1 stop16h 27m
$764
Quickest round-trip
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Mon 11/30
2:05 pm-9:00 am
1 stop12h 55m
Lisbon Humberto Delgado
Tue 12/15
10:00 am-9:49 pm
1 stop17h 49m
$771
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Sun 12/6
7:15 am-10:05 am
1 stop20h 50m
Lisbon Humberto Delgado
Thu 12/10
5:00 am-2:05 pm
1 stop15h 05m
$772
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Wed 12/2
6:55 pm-9:55 am
1 stop33h 00m
Lisbon Humberto Delgado
Wed 12/16
3:55 pm-4:45 pm
1 stop30h 50m
$773
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 11/4
7:30 am-9:05 am
1 stop19h 35m
Porto
Sun 11/8
5:00 am-9:20 pm
2 stops22h 20m
$792
Showing 1-10 of 56 resultsSorted by cheapest first
Best time to book a flight from Austin to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Austin with our price prediction graph.
AUS-LIS
AUS-OPO
AUS-FAO
AUS-PDL
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-LIS
AUS-OPO
AUS-FAO
AUS-PDL
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 45 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 July 16, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andUnited Airlines from Austin to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Austin to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 July 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Portugal flights
Consider these flights traveling from Austin to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 9 airlines flying from Austin to Portugal
Discover the top 9 airlines that operate flights from Austin to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$753 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$478 | Average$1,009 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$921 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$834 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$557 | Average$894 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,079 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$648 | Average$864 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$656 | Average$1,153 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$878 | Average$993 | FlexibilityNo cancel fee | On-time67% |