$306+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Sep 4 — Sep 111
Round-trip
1 adult, Economy
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Find cheap flights from Austin to Portugal with Cheapflights
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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 August 5, 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 August 5, 2026.
This Expedia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 -
1 stop14h 50m
Tue 11/175:00 am -
1 stop15h 05m
Deal found 7/31![Multiple Airlines logo]()
$705
This Expedia deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/2110:25 am -
1 stop16h 55m
Wed 11/115:00 am -
2 stops22h 31m
Deal found 8/4![Multiple Airlines logo]()
$711
This Expedia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 11/45:10 pm -
2 stops24h 15m
Tue 11/176:30 am -
2 stops23h 27m
Deal found 7/31![Iberia logo]()
$724
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:30 am -
1 stop17h 40m
Fri 12/1111:20 am -
2 stops37h 00m
Deal found 8/4![United Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 11/187:15 am -
2 stops17h 40m
Thu 12/35:00 am -
1 stop15h 05m
Deal found 8/1![United Airlines logo]()
$727
This Justfly.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 12/28:53 am -
2 stops16h 02m
Fri 12/1111:20 am -
2 stops35h 05m
Deal found 7/31![Air Canada logo]()
$729
This Gotogate deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 -
2 stops18h 45m
Thu 12/36:00 am -
2 stops35h 11m
Deal found 8/1![Multiple Airlines logo]()
$733
This Air Canada deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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.
Sun 11/2212:05 pm -
2 stops40h 35m
Fri 12/411:20 am -
2 stops41h 09m
Deal found 8/1![Air Canada logo]()
$733
This Air Canada deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:36 am -
2 stops16h 19m
Thu 12/310:55 am -
2 stops42h 43m
Deal found 8/1![Air Canada logo]()
$734
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 11/236:01 pm -
1 stop22h 29m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 8/1![Delta logo]()
$736
This KLM deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 8/5![KLM logo]()
$737
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/237:15 am -
1 stop20h 15m
Thu 12/36:00 am -
2 stops23h 38m
Deal found 8/2![United Airlines logo]()
$741
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 August 5, 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 August 5, 2026.
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 11/2312:25 pm -
2 stops15h 05m
Thu 12/36:00 am -
2 stops20h 56m
Deal found 8/1![United Airlines logo]()
$745
This KLM deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 11/166:01 pm -
1 stop13h 49m
Mon 12/72:40 pm -
2 stops32h 13m
Deal found 7/31![KLM logo]()
$760
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/222:27 pm -
2 stops18h 28m
Fri 10/25:00 am -
2 stops22h 58m
Deal found 8/3![Delta logo]()
$799
This British Airways deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:30 pm -
1 stop35h 10m
Mon 10/1211:00 am -
1 stop34h 25m
Deal found 8/3![British Airways logo]()
$832
This Mytrip deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:40 am -
2 stops23h 40m
Wed 9/236:05 am -
2 stops34h 43m
Deal found 8/2![Multiple Airlines logo]()
$908
This Expedia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:05 am -
2 stops49h 50m
Mon 9/211:20 pm -
2 stops39h 16m
Deal found 7/31![Iberia logo]()
$1,016
This Travelocity deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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.
Mon 9/284:05 pm -
2 stops36h 30m
Fri 10/93:40 pm -
1 stop28h 20m
Deal found 8/3![Lufthansa logo]()
$1,146
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 12/910:34 am -
2 stops16h 56m
Fri 12/1112:35 pm -
1 stop15h 10m
Deal found 8/4![United Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/77:30 am -
2 stops19h 20m
Fri 10/165:00 am -
2 stops22h 30m
Deal found 8/5![Delta logo]()
$800
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 11/25:15 am -
3 stops23h 25m
Thu 11/55:00 am -
1 stop15h 05m
Deal found 8/2![United Airlines logo]()
$776
This KLM deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 11/76:01 pm -
1 stop13h 49m
Sat 11/142:40 pm -
2 stops33h 45m
Deal found 8/4![KLM logo]()
$861
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/266:05 pm -
2 stops17h 45m
Fri 10/95:00 am -
2 stops24h 10m
Deal found 8/3![Delta logo]()
$800
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/1412:15 pm -
2 stops14h 05m
Wed 10/2111:25 am -
3 stops17h 29m
Deal found 8/4![United Airlines logo]()
$784
This British Airways deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/710:30 pm -
1 stop32h 35m
Sat 10/248:00 pm -
1 stop27h 45m
Deal found 8/1![British Airways logo]()
$988
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/133:59 pm -
1 stop12h 31m
Thu 10/225:00 am -
2 stops22h 30m
Deal found 8/2![Delta logo]()
$833
This United deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Mon 11/165:15 am -
3 stops28h 25m
Mon 12/74:30 pm -
2 stops27h 35m
Deal found 7/31![Multiple Airlines logo]()
$1,008
This KLM deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 12/1611:25 am -
2 stops20h 25m
Wed 1/62:40 pm -
1 stop31h 25m
Deal found 8/4![KLM logo]()
$952
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 12/711:59 am -
1 stop16h 21m
Fri 12/1110:15 am -
1 stop17h 30m
Deal found 8/4![United Airlines logo]()
$795
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:30 am -
1 stop18h 30m
Sun 10/1111:55 am -
1 stop34h 15m
Deal found 8/2![Delta logo]()
$846
This United deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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.
Mon 9/215:04 pm -
2 stops33h 01m
Tue 10/63:40 pm -
1 stop28h 20m
Deal found 8/2![Multiple Airlines logo]()
$1,048
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/138:45 am -
3 stops40h 15m
Thu 10/2211:50 am -
2 stops41h 08m
Deal found 7/31![United Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/266:05 pm -
2 stops17h 45m
Mon 10/125:00 am -
1 stop17h 10m
Deal found 8/2![Delta logo]()
$850
This KLM deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/33:00 pm -
2 stops21h 05m
Wed 10/218:20 pm -
2 stops27h 10m
Deal found 8/1![KLM logo]()
$1,068
This KAYAK deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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.
Tue 9/294:05 pm -
1 stop18h 15m
Fri 10/93:40 pm -
1 stop28h 20m
Deal found 8/3![Lufthansa logo]()
$1,295
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/204:25 pm -
1 stop13h 15m
Thu 9/2412:50 pm -
3 stops32h 35m
Deal found 7/31![Multiple Airlines logo]()
$1,085
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:50 pm -
2 stops17h 05m
Fri 10/211:55 am -
2 stops18h 04m
Deal found 7/31![Delta logo]()
$859
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:05 pm -
1 stop23h 50m
Sun 10/255:00 am -
1 stop15h 05m
Deal found 7/31![United Airlines logo]()
$878
This KAYAK deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:05 pm -
1 stop18h 00m
Fri 10/93:40 pm -
1 stop28h 20m
Deal found 8/3![Lufthansa logo]()
$1,355
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/1411:40 am -
3 stops26h 55m
Mon 9/218:35 am -
2 stops35h 25m
Deal found 7/31![Multiple Airlines logo]()
$1,140
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:05 pm -
1 stop18h 40m
Fri 10/165:00 am -
2 stops22h 30m
Deal found 8/4![Delta logo]()
$859
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated August 5, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/144:25 pm -
1 stop13h 20m
Mon 9/281:30 pm -
1 stop31h 55m
Deal found 8/4![Air Transat logo]()
$831
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:25 pm -
1 stop13h 20m
Thu 9/241:30 pm -
1 stop31h 55m
Deal found 7/31![Air Transat logo]()
$836
This Gotogate deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/219:00 am -
2 stops20h 00m
Mon 10/54:20 pm -
1 stop27h 40m
Deal found 8/2![Multiple Airlines logo]()
$783
This Gotogate deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 9/2111:40 am -
1 stop17h 20m
Wed 9/301:00 pm -
1 stop27h 48m
Deal found 8/1![Multiple Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:20 am -
1 stop14h 40m
Wed 10/1411:55 am -
1 stop34h 15m
Deal found 8/2![Delta logo]()
$786
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:50 pm -
2 stops17h 05m
Wed 9/3011:55 am -
1 stop34h 15m
Deal found 7/31![Delta logo]()
$789
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:21 pm -
2 stops32h 59m
Wed 9/301:00 pm -
2 stops30h 18m
Deal found 8/1![United Airlines logo]()
$794
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/2211:20 am -
2 stops17h 55m
Thu 10/15:00 am -
1 stop17h 10m
Deal found 8/4![Delta logo]()
$790
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:40 am -
1 stop17h 25m
Wed 9/305:05 am -
2 stops23h 53m
Deal found 7/31![Multiple Airlines logo]()
$798
This Air Canada deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:40 am -
2 stops39h 40m
Tue 10/1311:25 am -
2 stops37h 24m
Deal found 8/2![Air Canada logo]()
$793
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/266:05 pm -
1 stop31h 55m
Thu 10/85:00 am -
1 stop17h 10m
Deal found 8/3![Delta logo]()
$797
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/277:30 am -
1 stop18h 30m
Fri 10/95:00 am -
2 stops24h 10m
Deal found 8/3![Delta logo]()
$796
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 August 5, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/1010:43 am -
3 stops48h 47m
Deal found 8/1![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/286:45 am -
3 stops35h 00m
Deal found 8/3![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/56:33 pm -
3 stops59h 52m
Deal found 8/1![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 10/316:45 am -
3 stops34h 40m
Deal found 8/3![Multiple Airlines logo]()
$348
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:55 pm -
1 stop14h 00m
Deal found 7/31![British Airways logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/94:25 pm -
2 stops45h 30m
Deal found 7/31![Multiple Airlines logo]()
$350
This Cheapflightsfares deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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.
Tue 11/246:55 pm -
1 stop13h 50m
Deal found 8/4![British Airways logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/1111:15 am -
2 stops40h 15m
Deal found 8/1![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/84:25 pm -
2 stops23h 10m
Deal found 8/1![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/2410:58 am -
3 stops54h 27m
Deal found 8/2![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/146:33 pm -
3 stops58h 37m
Deal found 8/4![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” 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 10/64:25 pm -
2 stops25h 05m
Deal found 8/1![Multiple Airlines logo]()
$360
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 August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $705 (Expedia) |
One-way from | $306 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $996 |
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 August 5, 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
Mon 11/23
12:25 pm-9:30 am
2 stops15h 05m
Porto
Thu 12/3
6:00 am-8:56 pm
2 stops20h 56m
$745
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Wed 12/9
10:34 am-9:30 am
2 stops16h 56m
Porto
Fri 12/11
12:35 pm-9:45 pm
1 stop15h 10m
$755
AustinFaro
AUS - FAO
AUSFAO
Austin Bergstrom
Mon 11/16
6:01 pm-1:50 pm
1 stop13h 49m
Faro
Mon 12/7
2:40 pm-4:53 pm
2 stops32h 13m
$760
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Mon 11/2
5:15 am-10:40 am
3 stops23h 25m
Lisbon Humberto Delgado
Thu 11/5
5:00 am-2:05 pm
1 stop15h 05m
$776
Quickest round-trip
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Wed 10/14
12:15 pm-8:20 am
2 stops14h 05m
Lisbon Humberto Delgado
Wed 10/21
11:25 am-10:54 pm
3 stops17h 29m
$784
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Mon 12/7
11:59 am-10:20 am
1 stop16h 21m
Lisbon Humberto Delgado
Fri 12/11
10:15 am-9:45 pm
1 stop17h 30m
$795
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Tue 9/22
2:27 pm-2:55 pm
2 stops18h 28m
Lisbon Humberto Delgado
Fri 10/2
5:00 am-9:58 pm
2 stops22h 58m
$799
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Wed 10/7
7:30 am-8:50 am
2 stops19h 20m
Lisbon Humberto Delgado
Fri 10/16
5:00 am-9:30 pm
2 stops22h 30m
$800
AustinLisbon
AUS - LIS
AUSLIS
Austin Bergstrom
Sat 9/26
6:05 pm-5:50 pm
2 stops17h 45m
Lisbon Humberto Delgado
Fri 10/9
5:00 am-11:10 pm
2 stops24h 10m
$800
AustinPorto
AUS - OPO
AUSOPO
Austin Bergstrom
Tue 10/13
8:45 am-7:00 am
3 stops40h 15m
Porto
Thu 10/22
11:50 am-10:58 pm
2 stops41h 08m
$823
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, February is the cheapest month in which you can book a flight from Austin to Portugal (average of $664). Flying from Austin to Portugal in June is currently the most expensive (average of $1,108). 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 44 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 August 5, 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.
Boarding
7.8
Overall
7.8
Crew
8.4
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Entertainment
7.2
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Overall
7.8
Crew
8.4
Entertainment
7.2
Food
7.3
Comfort
7.7
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.
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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 August 5, 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 August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$478 | Average$968 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$921 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$864 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$832 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$557 | Average$891 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,077 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$1,220 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$746 | Average$993 | FlexibilityNo cancel fee | On-time67% |