$347+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Nov 5 — Nov 121
Round-trip
1 adult, Economy
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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
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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 6, 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 6, 2026.
This KLM deal was found by Cheapflights users on 10/5. 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.
Wed 10/2811:25 am -
1 stop14h 50m
Wed 11/45:00 am -
2 stops21h 28m
Deal found 10/5![KLM logo]()
$598
This KLM deal was found by Cheapflights users on 10/5. 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.
Tue 10/1311:25 am -
1 stop17h 05m
Thu 10/225:00 am -
2 stops18h 30m
Deal found 10/5![KLM logo]()
$636
This Delta deal was found by Cheapflights users on 10/2. 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 11/236:25 am -
2 stops22h 10m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 10/2![Delta logo]()
$721
This Gotogate deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 11/912:05 pm -
2 stops16h 35m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/6![Multiple Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 10/4. 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 11/29:38 am -
2 stops17h 52m
Wed 11/186:00 am -
2 stops20h 52m
Deal found 10/4![United Airlines logo]()
$744
This Gotogate deal was found by Cheapflights users on 10/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:05 pm -
1 stop15h 15m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/3![Multiple Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 11/97:15 am -
1 stop21h 05m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/6![United Airlines logo]()
$748
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Tue 11/31:00 pm -
2 stops15h 05m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 10/4![United Airlines logo]()
$752
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:15 am -
1 stop18h 55m
Fri 12/1111:20 am -
2 stops39h 32m
Deal found 10/5![United Airlines logo]()
$755
This Air Canada deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:00 am -
2 stops15h 55m
Fri 12/1111:20 am -
2 stops41h 26m
Deal found 10/6![Air Canada logo]()
$758
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 10/6![United Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 10/2. 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 11/177:30 am -
2 stops21h 05m
Tue 11/245:00 am -
2 stops24h 30m
Deal found 10/2![Delta logo]()
$760
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 6, 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 6, 2026.
This KLM deal was found by Cheapflights users on 10/5. 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.
Wed 10/2811:25 am -
1 stop14h 50m
Wed 11/45:00 am -
2 stops21h 28m
Deal found 10/5![KLM logo]()
$598
This Gotogate deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 11/912:05 pm -
2 stops16h 35m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/6![Multiple Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 10/3. 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 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 3/512:35 pm -
1 stop17h 11m
Deal found 10/3![United Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 10/2. 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 11/177:30 am -
2 stops21h 05m
Tue 11/245:00 am -
2 stops24h 30m
Deal found 10/2![Delta logo]()
$760
This British Airways deal was found by Cheapflights users on 10/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:55 pm -
1 stop35h 10m
Sat 11/1411:05 am -
1 stop35h 40m
Deal found 10/2![British Airways logo]()
$927
This United Airlines deal was found by Cheapflights users on 10/4. 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 11/29:38 am -
2 stops17h 52m
Wed 11/186:00 am -
2 stops20h 52m
Deal found 10/4![United Airlines logo]()
$744
This KLM deal was found by Cheapflights users on 10/3. 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 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 10/3![KLM logo]()
$750
This United deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 1/181:55 pm -
1 stop12h 15m
Mon 1/253:55 pm -
1 stop28h 10m
Deal found 10/6![Multiple Airlines logo]()
$790
This Delta deal was found by Cheapflights users on 10/1. 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.
Wed 11/251:52 pm -
2 stops19h 18m
Tue 12/15:00 am -
2 stops23h 33m
Deal found 10/1![Delta logo]()
$805
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 11/97:15 am -
1 stop21h 05m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/6![United Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 2/186:01 pm -
1 stop14h 39m
Tue 2/235:00 am -
2 stops21h 59m
Deal found 10/6![Delta logo]()
$822
This United Airlines deal was found by Cheapflights users on 10/4. 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 11/235:15 am -
3 stops22h 15m
Thu 12/36:00 am -
2 stops19h 03m
Deal found 10/4![United Airlines logo]()
$759
This KLM deal was found by Cheapflights users on 10/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:01 pm -
1 stop17h 09m
Wed 11/2510:25 am -
2 stops36h 28m
Deal found 10/2![KLM logo]()
$910
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Tue 11/177:19 am -
1 stop20h 11m
Tue 11/2412:35 pm -
2 stops31h 38m
Deal found 10/2![United Airlines logo]()
$760
This British Airways deal was found by Cheapflights users on 10/3. 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.
Sun 10/187:10 pm -
2 stops21h 55m
Mon 11/26:35 pm -
1 stop28h 10m
Deal found 10/3![British Airways logo]()
$1,071
This KAYAK deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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.
Sun 1/1712:50 pm -
2 stops15h 20m
Fri 1/221:50 pm -
2 stops27h 07m
Deal found 10/6![Multiple Airlines logo]()
$997
This KLM deal was found by Cheapflights users on 10/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/511:20 am -
2 stops20h 30m
Fri 3/128:10 pm -
1 stop25h 55m
Deal found 10/2![KLM logo]()
$910
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 11/155:15 am -
3 stops22h 15m
Sun 11/226:00 am -
2 stops20h 50m
Deal found 10/1![United Airlines logo]()
$780
This Delta deal was found by Cheapflights users on 10/2. 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.
Thu 11/126:01 pm -
1 stop14h 39m
Sun 11/1511:30 am -
1 stop34h 35m
Deal found 10/2![Delta logo]()
$958
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/57:00 am -
2 stops22h 00m
Fri 3/1210:50 am -
3 stops32h 28m
Deal found 10/2![Multiple Airlines logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/117:15 am -
1 stop21h 05m
Thu 3/255:00 am -
1 stop15h 05m
Deal found 10/3![United Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:00 pm -
2 stops20h 10m
Thu 11/126:00 am -
3 stops39h 21m
Deal found 10/3![United Airlines logo]()
$833
This KAYAK deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 2/812:50 pm -
1 stop12h 30m
Thu 2/182:05 pm -
2 stops33h 10m
Deal found 10/6![Multiple Airlines logo]()
$1,125
This Delta deal was found by Cheapflights users on 10/4. 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 11/196:01 pm -
1 stop17h 09m
Thu 11/2610:20 am -
2 stops29h 34m
Deal found 10/4![Delta logo]()
$1,185
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:24 pm -
2 stops13h 41m
Mon 11/3012:25 pm -
1 stop31h 40m
Deal found 10/3![United Airlines logo]()
$841
This Ovago deal was found by Cheapflights users on 10/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:00 pm -
2 stops16h 25m
Thu 11/2611:55 am -
2 stops30h 15m
Deal found 10/4![Multiple Airlines logo]()
$1,170
This British Airways deal was found by Cheapflights users on 10/3. 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.
Mon 10/195:55 pm -
1 stop35h 25m
Fri 10/231:10 pm -
1 stop37h 25m
Deal found 10/3![British Airways logo]()
$1,609
This Mytrip deal was found by Cheapflights users on 10/2. 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.
Sun 12/1312:05 pm -
3 stops22h 20m
Sat 12/198:40 pm -
2 stops26h 00m
Deal found 10/2![Multiple Airlines logo]()
$1,212
This Mytrip deal was found by Cheapflights users on 10/2. 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.
Thu 11/1212:05 pm -
2 stops18h 30m
Wed 11/2512:05 pm -
3 stops34h 35m
Deal found 10/2![Multiple Airlines logo]()
$1,216
This lastminute.com deal was found by Cheapflights users on 10/3. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:30 pm -
1 stop30h 50m
Fri 10/239:55 pm -
2 stops28h 15m
Deal found 10/3![Multiple Airlines logo]()
$1,786
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated October 6, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated October 6, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 10/5. 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.
Tue 10/1311:25 am -
1 stop17h 05m
Thu 10/225:00 am -
2 stops18h 30m
Deal found 10/5![KLM logo]()
$636
This KLM deal was found by Cheapflights users on 10/5. 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.
Wed 10/2811:25 am -
1 stop14h 50m
Wed 11/45:00 am -
2 stops21h 28m
Deal found 10/5![KLM logo]()
$598
This United Airlines deal was found by Cheapflights users on 10/4. 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 11/29:38 am -
2 stops17h 52m
Wed 11/186:00 am -
2 stops20h 52m
Deal found 10/4![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 10/4. 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 11/27:19 am -
1 stop18h 51m
Wed 11/185:00 am -
2 stops21h 52m
Deal found 10/4![United Airlines logo]()
$762
This United deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:25 pm -
1 stop11h 45m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 10/4![Multiple Airlines logo]()
$752
This Gotogate deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 11/912:05 pm -
2 stops16h 35m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/6![Multiple Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 11/97:15 am -
1 stop21h 05m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/6![United Airlines logo]()
$748
This Iberia deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:55 pm -
1 stop14h 00m
Mon 11/168:45 pm -
2 stops17h 48m
Deal found 10/6![Multiple Airlines logo]()
$761
This Gotogate deal was found by Cheapflights users on 10/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:05 pm -
1 stop15h 15m
Tue 11/245:00 am -
1 stop15h 05m
Deal found 10/3![Multiple Airlines logo]()
$745
This Delta deal was found by Cheapflights users on 10/2. 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 11/177:30 am -
2 stops21h 05m
Tue 11/245:00 am -
2 stops24h 30m
Deal found 10/2![Delta logo]()
$760
This Delta deal was found by Cheapflights users on 10/2. 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 11/236:25 am -
2 stops22h 10m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 10/2![Delta logo]()
$721
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 10/6![United Airlines logo]()
$759
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 6, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.
This Expedia deal was found by Cheapflights users on 10/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/86:55 pm -
1 stop21h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![British Airways logo]()
$347
This KLM deal was found by Cheapflights users on 10/4. 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.
Sun 3/77:30 am -
1 stop18h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![KLM logo]()
$363
This Justfly.com deal was found by Cheapflights users on 10/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/65:16 pm -
2 stops31h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Air Canada logo]()
$365
This Travelocity deal was found by Cheapflights users on 10/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/135:16 pm -
2 stops31h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Air Canada logo]()
$367
This United Airlines deal was found by Cheapflights users on 10/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/85:40 pm -
3 stops33h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Sat 3/67:00 pm -
1 stop31h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” 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 11/235:35 pm -
3 stops42h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$394
This KAYAK deal was found by Cheapflights users on 10/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/67:00 pm -
1 stop31h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Lufthansa logo]()
$404
This British Airways deal was found by Cheapflights users on 10/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/56:55 pm -
1 stop35h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![British Airways logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 11/65:40 pm -
3 stops43h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 10/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/107:00 am -
2 stops27h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Multiple Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:52 am -
2 stops41h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$496
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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $598 (KLM) |
One-way from | $429 (Kiwi.com) |
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 6, 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
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 3/6
5:16 pm-6:55 am
2 stops31h 39m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$365
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 3/6
5:30 pm-6:55 am
3 stops31h 25m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$367
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Mon 2/8
5:40 pm-9:20 am
3 stops33h 40m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$371
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Fri 11/6
5:40 pm-6:45 pm
3 stops43h 05m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$429
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Wed 3/31
3:15 pm-5:50 pm
1 stop20h 35m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$443
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Wed 3/31
7:00 am-10:30 am
2 stops21h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$443
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 3/13
7:00 pm-8:10 am
1 stop31h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$449
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 11/14
6:15 pm-5:30 pm
2 stops17h 15m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$467
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 11/14
5:57 pm-8:10 am
1 stop32h 13m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$478
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sat 10/17
5:04 pm-10:45 am
2 stops35h 41m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$481
Showing 1-10 of 48 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-FNC
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-LIS
AUS-OPO
AUS-FAO
AUS-FNC
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 6, 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.
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
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 6, 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$486 | Average$913 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$799 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$853 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$541 | Average$994 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$557 | Average$903 | 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% |