$339+ Cheap flights from Austin (AUS) to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Portugal with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Austin to PortugalExplore the most affordable flight options available from Austin to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 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 October 22, 2026.
This Gotogate deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/2312:05 pm -
1 stop15h 15m
Tue 12/85:00 am -
1 stop15h 05m
Deal found 10/18![Multiple Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/236:00 am -
1 stop21h 30m
Tue 12/86:00 am -
2 stops21h 17m
Deal found 10/18![United Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:15 am -
2 stops23h 05m
Tue 12/85:00 am -
1 stop15h 05m
Deal found 10/19![United Airlines logo]()
$747
This Gotogate deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/2312:05 pm -
1 stop15h 15m
Thu 12/35:00 am -
1 stop15h 05m
Deal found 10/20![Multiple Airlines logo]()
$748
This KLM deal was found by Cheapflights users on 10/21. 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.
Mon 11/236:01 pm -
1 stop15h 24m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 10/21![KLM logo]()
$749
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:30 am -
2 stops21h 05m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 10/19![Delta logo]()
$750
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/162:25 pm -
1 stop11h 45m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/19![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/210:29 am -
1 stop17h 01m
Wed 12/96:00 am -
2 stops35h 11m
Deal found 10/18![United Airlines logo]()
$752
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/710:25 am -
1 stop17h 05m
Tue 12/156:00 am -
2 stops20h 50m
Deal found 10/18![United Airlines logo]()
$754
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/245:15 am -
2 stops22h 50m
Fri 12/411:20 am -
2 stops39h 32m
Deal found 10/19![United Airlines logo]()
$754
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 -
2 stops20h 15m
Tue 12/156:00 am -
2 stops35h 11m
Deal found 10/18![United Airlines logo]()
$756
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:15 am -
3 stops22h 15m
Thu 12/36:00 am -
2 stops19h 03m
Deal found 10/19![United Airlines logo]()
$758
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 October 22, 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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 3/110:18 am -
1 stop17h 12m
Fri 3/56:00 am -
3 stops40h 32m
Deal found 10/18![United Airlines logo]()
$721
This KLM deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:01 pm -
1 stop15h 24m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 10/19![KLM logo]()
$749
This KLM deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/211:40 am -
1 stop14h 20m
Fri 12/1110:55 am -
1 stop17h 15m
Deal found 10/20![Multiple Airlines logo]()
$775
This Expedia deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 1/201:01 pm -
1 stop13h 54m
Sun 1/2411:05 am -
1 stop16h 47m
Deal found 10/17![Iberia logo]()
$805
This British Airways deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 4/189:50 pm -
1 stop30h 30m
Wed 4/218:00 pm -
1 stop25h 25m
Deal found 10/17![British Airways logo]()
$904
This KLM deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/2310:59 am -
2 stops15h 01m
Tue 12/85:00 am -
2 stops18h 37m
Deal found 10/18![KLM logo]()
$756
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/249:38 am -
2 stops17h 52m
Fri 12/46:00 am -
2 stops19h 23m
Deal found 10/19![United Airlines logo]()
$758
This Expedia deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 1/207:05 am -
2 stops20h 15m
Sun 1/245:00 am -
1 stop15h 05m
Deal found 10/17![Multiple Airlines logo]()
$786
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:15 am -
3 stops22h 15m
Thu 12/36:00 am -
2 stops19h 03m
Deal found 10/20![United Airlines logo]()
$759
This KLM deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/2310:59 am -
2 stops15h 01m
Thu 12/35:00 am -
2 stops18h 37m
Deal found 10/20![KLM logo]()
$768
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/37:20 am -
1 stop20h 10m
Thu 12/106:00 am -
2 stops35h 11m
Deal found 10/18![United Airlines logo]()
$802
This KLM deal was found by Cheapflights users on 10/22. 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 12/66:44 pm -
2 stops56h 51m
Sun 12/1310:10 am -
2 stops36h 46m
Deal found 10/22![KLM logo]()
$824
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 2/186:30 am -
1 stop19h 40m
Tue 2/2312:50 pm -
2 stops35h 31m
Deal found 10/18![United Airlines logo]()
$809
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:05 pm -
2 stops19h 25m
Mon 11/167:50 am -
2 stops33h 21m
Deal found 10/21![Air Canada logo]()
$2,213
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:02 am -
3 stops24h 08m
Fri 12/116:05 am -
3 stops34h 09m
Deal found 10/20![Multiple Airlines logo]()
$1,034
This KLM deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/45:00 pm -
2 stops34h 20m
Fri 12/116:00 pm -
1 stop28h 05m
Deal found 10/20![KLM logo]()
$862
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 2/1810:18 am -
1 stop15h 52m
Fri 2/2610:55 am -
2 stops35h 37m
Deal found 10/19![United Airlines logo]()
$809
This KLM deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/1610:59 am -
2 stops20h 51m
Wed 12/210:20 am -
1 stop35h 45m
Deal found 10/19![KLM logo]()
$868
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 11/227:07 pm -
2 stops33h 13m
Tue 12/112:50 pm -
2 stops38h 00m
Deal found 10/22![United Airlines logo]()
$826
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Sun 12/612:05 pm -
2 stops18h 50m
Sun 12/136:35 am -
3 stops34h 36m
Deal found 10/22![Multiple Airlines logo]()
$1,141
This KLM deal was found by Cheapflights users on 10/21. 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.
Thu 1/146:01 pm -
1 stop19h 19m
Thu 1/212:40 pm -
2 stops36h 19m
Deal found 10/21![KLM logo]()
$920
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/57:19 am -
1 stop18h 51m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 10/18![United Airlines logo]()
$851
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 11/275:52 pm -
1 stop32h 18m
Sat 12/511:20 am -
1 stop29h 51m
Deal found 10/17![United Airlines logo]()
$862
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 1/124:49 pm -
2 stops37h 46m
Thu 1/211:25 pm -
2 stops38h 10m
Deal found 10/21![United Airlines logo]()
$901
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 4/185:15 am -
2 stops27h 15m
Wed 4/213:20 pm -
2 stops33h 24m
Deal found 10/17![United Airlines logo]()
$946
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated October 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/162:25 pm -
1 stop11h 45m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/19![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/165:15 am -
2 stops20h 55m
Thu 11/265:00 am -
1 stop15h 05m
Deal found 10/19![United Airlines logo]()
$756
This Gotogate deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/2312:05 pm -
1 stop15h 15m
Tue 12/85:00 am -
1 stop15h 05m
Deal found 10/18![Multiple Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/236:00 am -
1 stop21h 30m
Tue 12/86:00 am -
2 stops21h 17m
Deal found 10/18![United Airlines logo]()
$747
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:15 am -
2 stops23h 05m
Tue 12/85:00 am -
1 stop15h 05m
Deal found 10/19![United Airlines logo]()
$747
This Gotogate deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/2312:05 pm -
1 stop15h 15m
Thu 12/35:00 am -
1 stop15h 05m
Deal found 10/20![Multiple Airlines logo]()
$748
This KLM deal was found by Cheapflights users on 10/21. 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.
Mon 11/236:01 pm -
1 stop15h 24m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 10/21![KLM logo]()
$749
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:30 am -
2 stops21h 05m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 10/19![Delta logo]()
$750
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am -
2 stops20h 30m
Thu 12/36:00 am -
2 stops19h 03m
Deal found 10/19![United Airlines logo]()
$758
This Air France deal was found by Cheapflights users on 10/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:14 pm -
2 stops16h 21m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 10/22![Multiple Airlines logo]()
$760
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:05 pm -
2 stops18h 45m
Thu 12/36:00 am -
2 stops35h 11m
Deal found 10/21![Air Canada logo]()
$762
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/245:15 am -
2 stops22h 50m
Fri 12/411:20 am -
2 stops39h 32m
Deal found 10/19![United Airlines logo]()
$754
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 October 22, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 3/228:00 am -
2 stops21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$339
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 4/185:55 pm -
1 stop34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![British Airways logo]()
$360
This KAYAK deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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.
Mon 3/228:07 am -
2 stops22h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![SWISS logo]()
$371
This KLM deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 4/72:40 pm -
2 stops22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![KLM logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/65:35 pm -
2 stops32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Porter Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Tue 12/86:30 pm -
3 stops43h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:35 pm -
1 stop31h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/96:31 pm -
3 stops59h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/141:55 pm -
2 stops41h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Thu 12/105:35 pm -
2 stops32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/76:31 pm -
3 stops43h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Sat 12/1211:10 am -
3 stops42h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$437
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 October 22, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $721 (United Airlines) |
One-way from | $339 (Delta) |
Popular in | December |
Cheapest in | February |
Average price | $864 |
Cheapflights Fare Finder
Customize your flight search to find flights from Austin to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 22, 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 Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Mon 3/22
7:05 pm-3:25 pm
1 stop15h 20m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$339
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Mon 3/22
8:07 am-11:15 am
2 stops22h 08m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$371
AustinFunchal
AUS Austin Bergstrom - FNC Funchal Madeira
AUSFNC
Austin Bergstrom
Wed 4/7
2:40 pm-7:15 pm
2 stops22h 35m
Funchal Madeira
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$371
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Fri 12/11
5:35 pm-6:45 am
1 stop31h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$394
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Mon 12/7
6:31 pm-7:55 pm
3 stops43h 24m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$401
AustinLajes
AUS Austin Bergstrom - TER Lajes
AUSTER
Austin Bergstrom
Mon 2/1
12:50 pm-6:20 am
1 stop12h 30m
Lajes
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$443
AustinLajes
AUS Austin Bergstrom - TER Lajes
AUSTER
Austin Bergstrom
Sun 1/31
12:50 pm-8:45 pm
2 stops26h 55m
Lajes
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$497
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Mon 3/22
6:30 am-9:30 am
1 stop22h 00m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$510
AustinFunchal
AUS Austin Bergstrom - FNC Funchal Madeira
AUSFNC
Austin Bergstrom
Wed 4/7
4:05 pm-7:50 am
3 stops33h 45m
Funchal Madeira
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$511
AustinFaro
AUS Austin Bergstrom - FAO Faro
AUSFAO
Austin Bergstrom
Sun 11/29
9:17 pm-9:15 am
3 stops53h 58m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$520
Showing 1-10 of 47 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-FNC
AUS-LIS
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-FNC
AUS-LIS
AUS-FAO
What is the cheapest month to book a flight from Austin to Portugal?
Currently, February is the cheapest month in which you can book a flight from Austin to Portugal (average of $670). Flying from Austin to Portugal in December is currently the most expensive (average of $1,282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Austin to Portugal?
The best time to book flights from Austin to Portugal is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated October 22, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Austin to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Entertainment
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Related info for your journey
Find useful and relevant information for your journey from Austin to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Austin to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Austin to Portugal by cabin class
Find flights from Austin to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Austin and Portugal flights
Browse other Austin and Portugal flight options. Last updated on October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Austin to Portugal flights
Consider these flights traveling from Austin to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 9 airlines flying from Austin to Portugal
Discover the top 9 airlines that operate flights from Austin to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$478 | Average$991 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$900 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$799 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$852 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$573 | Average$912 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,060 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$1,220 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$746 | Average$993 | FlexibilityNo cancel fee | On-time67% |