$315+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Sep 27 — Oct 41
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 August 28, 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 28, 2026.
This eDestinos deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:10 pm -
1 stop31h 50m
Sun 11/1511:15 am -
1 stop16h 52m
Deal found 8/28![Virgin Atlantic logo]()
$693
This eDestinos deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:56 am -
2 stops16h 44m
Sun 11/157:45 am -
2 stops20h 53m
Deal found 8/28![Iberia logo]()
$702
This Trip.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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.
Sun 10/1811:40 am -
1 stop17h 25m
Tue 11/311:20 am -
1 stop29h 51m
Deal found 8/28![Air Canada logo]()
$705
This Expedia deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:05 pm -
1 stop14h 50m
Wed 12/23:35 pm -
2 stops49h 36m
Deal found 8/26![Multiple Airlines logo]()
$716
This Gotogate deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:05 pm -
1 stop14h 50m
Wed 11/255:00 am -
2 stops36h 11m
Deal found 8/25![Multiple Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:25 pm -
1 stop15h 55m
Thu 12/35:00 am -
1 stop15h 05m
Deal found 8/26![United Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 11/2310:22 am -
1 stop17h 08m
Thu 12/36:00 am -
2 stops21h 06m
Deal found 8/28![United Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 12/26:20 am -
1 stop19h 50m
Fri 12/1111:20 am -
2 stops34h 35m
Deal found 8/27![United Airlines logo]()
$727
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:59 am -
2 stops16h 01m
Wed 12/211:30 am -
1 stop34h 35m
Deal found 8/26![Delta logo]()
$731
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 11/187:19 am -
1 stop18h 51m
Wed 11/2511:20 am -
2 stops30h 51m
Deal found 8/28![United Airlines logo]()
$732
This Air Canada deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 11/1812:05 pm -
1 stop14h 50m
Wed 11/2511:20 am -
1 stop29h 51m
Deal found 8/28![Air Canada logo]()
$733
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:25 am -
2 stops22h 10m
Thu 12/35:00 am -
1 stop17h 05m
Deal found 8/25![Delta logo]()
$738
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 28, 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 28, 2026.
This KLM deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:30 am -
1 stop18h 30m
Tue 11/35:00 am -
2 stops19h 10m
Deal found 8/24![KLM logo]()
$727
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:15 am -
1 stop21h 15m
Tue 11/310:15 am -
2 stops16h 35m
Deal found 8/28![United Airlines logo]()
$737
This British Airways deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:55 pm -
1 stop18h 10m
Mon 11/212:30 pm -
1 stop34h 15m
Deal found 8/26![British Airways logo]()
$782
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/306:25 am -
2 stops20h 25m
Thu 10/811:55 am -
2 stops18h 26m
Deal found 8/27![Delta logo]()
$801
This Finnair deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/246:55 pm -
1 stop17h 15m
Tue 3/27:10 pm -
1 stop27h 35m
Deal found 8/25![Multiple Airlines logo]()
$889
This Iberia deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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.
Sun 10/117:05 am -
2 stops23h 35m
Sun 10/1811:20 am -
2 stops42h 28m
Deal found 8/27![Iberia logo]()
$1,464
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am -
2 stops20h 30m
Thu 12/36:00 am -
2 stops18h 54m
Deal found 8/24![United Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:45 pm -
1 stop31h 15m
Fri 11/2710:55 am -
1 stop15h 26m
Deal found 8/24![Delta logo]()
$802
This British Airways deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/155:36 pm -
2 stops39h 49m
Tue 3/24:25 pm -
2 stops36h 11m
Deal found 8/23![British Airways logo]()
$849
This United Airlines deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:15 am -
1 stop20h 50m
Mon 11/3012:25 pm -
1 stop31h 40m
Deal found 8/26![United Airlines logo]()
$776
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:30 pm -
2 stops16h 25m
Fri 10/25:35 am -
2 stops22h 32m
Deal found 8/26![Delta logo]()
$808
This British Airways deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:55 pm -
1 stop14h 50m
Tue 11/311:15 am -
1 stop35h 30m
Deal found 8/26![British Airways logo]()
$874
This Finnair deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:55 pm -
1 stop14h 50m
Tue 11/33:45 pm -
2 stops37h 14m
Deal found 8/26![Multiple Airlines logo]()
$970
This KLM deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:05 pm -
2 stops36h 30m
Sun 11/2910:10 am -
1 stop35h 55m
Deal found 8/23![KLM logo]()
$981
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
2 stops19h 00m
Thu 10/2211:50 am -
2 stops41h 08m
Deal found 8/25![United Airlines logo]()
$824
This British Airways deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/245:04 pm -
2 stops19h 06m
Tue 3/27:10 pm -
1 stop27h 35m
Deal found 8/25![British Airways logo]()
$893
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:25 am -
1 stop16h 55m
Sat 10/3112:20 pm -
1 stop13h 30m
Deal found 8/25![United Airlines logo]()
$836
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:50 pm -
2 stops17h 35m
Mon 9/287:00 am -
2 stops22h 10m
Deal found 8/25![Delta logo]()
$935
This British Airways deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/243:55 pm -
2 stops20h 15m
Mon 3/16:25 pm -
2 stops33h 02m
Deal found 8/25![British Airways logo]()
$903
This United deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/155:30 pm -
3 stops37h 05m
Mon 1/184:30 pm -
2 stops27h 35m
Deal found 8/24![Multiple Airlines logo]()
$1,100
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/277:20 am -
1 stop21h 25m
Fri 10/95:35 am -
2 stops22h 33m
Deal found 8/27![Delta logo]()
$992
This British Airways deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:55 pm -
1 stop13h 55m
Sun 11/296:50 pm -
1 stop27h 55m
Deal found 8/26![British Airways logo]()
$969
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:30 am -
2 stops44h 05m
Mon 11/3010:25 am -
2 stops41h 59m
Deal found 8/23![Delta logo]()
$996
This Mytrip deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:40 am -
3 stops31h 50m
Mon 11/210:15 am -
3 stops33h 50m
Deal found 8/26![Multiple Airlines logo]()
$1,214
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:10 am -
2 stops22h 10m
Thu 10/2211:25 am -
3 stops41h 36m
Deal found 8/27![United Airlines logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:43 pm -
3 stops36h 17m
Sun 10/1812:10 pm -
2 stops52h 51m
Deal found 8/24![United Airlines logo]()
$1,026
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” 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 2/136:01 pm -
1 stop33h 34m
Wed 2/1710:25 am -
2 stops20h 07m
Deal found 8/28![Delta logo]()
$1,126
This Priceline deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3011:11 am -
2 stops16h 09m
Sun 1/105:50 pm -
2 stops22h 58m
Deal found 8/23![Multiple Airlines logo]()
$1,367
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:00 pm -
2 stops16h 30m
Wed 10/1411:25 am -
3 stops17h 29m
Deal found 8/23![United Airlines logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:12 pm -
2 stops16h 18m
Wed 9/3011:25 am -
3 stops17h 29m
Deal found 8/24![United Airlines logo]()
$1,038
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated August 28, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated August 28, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:30 pm -
1 stop18h 40m
Mon 9/286:45 pm -
1 stop26h 40m
Deal found 8/24![British Airways logo]()
$836
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:05 pm -
1 stop18h 40m
Mon 9/285:35 am -
2 stops22h 23m
Deal found 8/24![Delta logo]()
$868
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:27 pm -
2 stops18h 28m
Tue 9/295:00 am -
2 stops22h 35m
Deal found 8/25![Delta logo]()
$801
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:30 pm -
2 stops16h 25m
Fri 10/25:35 am -
2 stops22h 32m
Deal found 8/25![Delta logo]()
$808
This Cheapflightsfares deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:55 pm -
1 stop23h 05m
Wed 9/307:20 am -
1 stop19h 15m
Deal found 8/24![British Airways logo]()
$818
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:04 pm -
1 stop11h 26m
Wed 9/3011:25 am -
2 stops30h 12m
Deal found 8/25![United Airlines logo]()
$867
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:50 pm -
2 stops17h 35m
Mon 9/287:00 am -
2 stops22h 10m
Deal found 8/25![Delta logo]()
$935
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/246:05 pm -
1 stop34h 35m
Thu 10/15:00 am -
1 stop17h 10m
Deal found 8/27![Delta logo]()
$918
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/246:05 pm -
1 stop34h 35m
Wed 9/305:00 am -
2 stops24h 10m
Deal found 8/27![Delta logo]()
$928
This Iberia deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:55 pm -
1 stop18h 05m
Tue 10/612:30 pm -
2 stops17h 29m
Deal found 8/25![Multiple Airlines logo]()
$853
This KAYAK deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/295:55 pm -
1 stop15h 40m
Wed 10/74:25 pm -
1 stop29h 00m
Deal found 8/27![British Airways logo]()
$875
This Delta deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 9/307:30 am -
2 stops19h 20m
Thu 10/85:00 am -
1 stop17h 10m
Deal found 8/27![Delta logo]()
$791
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 28, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated August 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:52 am -
3 stops52h 53m
Deal found 8/25![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:53 am -
3 stops50h 47m
Deal found 8/25![Multiple Airlines logo]()
$323
This Expedia deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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
Deal found 8/27![British Airways logo]()
$346
This American Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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.
Mon 2/86:55 pm -
1 stop14h 00m
Deal found 8/27![American Airlines logo]()
$356
This British Airways deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 2/76:55 pm -
1 stop35h 10m
Deal found 8/27![British Airways logo]()
$357
This Expedia deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 2/82:49 pm -
2 stops15h 01m
Deal found 8/27![Iberia logo]()
$360
This United Airlines deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” 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 2/76:40 am -
2 stops19h 30m
Deal found 8/27![United Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:33 pm -
3 stops55h 12m
Deal found 8/26![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:27 pm -
3 stops48h 53m
Deal found 8/23![Multiple Airlines logo]()
$408
This KLM deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:01 pm -
1 stop19h 19m
Deal found 8/26![KLM logo]()
$426
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:30 am -
2 stops22h 15m
Deal found 8/23![United Airlines logo]()
$463
This Booking.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:05 pm -
1 stop17h 35m
Deal found 8/26![Lufthansa logo]()
$471
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $693 (eDestinos) |
One-way from | $315 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,025 |
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 August 28, 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
Mon 10/19
7:30 am-8:00 am
1 stop18h 30m
Lisbon Humberto Delgado
Tue 11/3
5:00 am-6:10 pm
2 stops19h 10m
$727
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sun 10/18
7:15 am-10:30 am
1 stop21h 15m
Lisbon Humberto Delgado
Tue 11/3
10:15 am-8:50 pm
2 stops16h 35m
$737
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Mon 11/23
7:00 am-9:30 am
2 stops20h 30m
Porto
Thu 12/3
6:00 am-6:54 pm
2 stops18h 54m
$746
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 11/24
7:15 am-10:05 am
1 stop20h 50m
Lisbon Humberto Delgado
Mon 11/30
12:25 pm-2:05 pm
1 stop31h 40m
$776
AustinFunchal
AUS Austin Bergstrom - FNC Funchal Madeira
AUSFNC
Austin Bergstrom
Sun 10/18
5:55 pm-6:05 pm
1 stop18h 10m
Funchal Madeira
Mon 11/2
12:30 pm-4:45 pm
1 stop34h 15m
$782
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Wed 9/30
6:25 am-8:50 am
2 stops20h 25m
Lisbon Humberto Delgado
Thu 10/8
11:55 am-12:21 am
2 stops18h 26m
$801
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sun 11/22
6:45 pm-8:00 am
1 stop31h 15m
Lisbon Humberto Delgado
Fri 11/27
10:55 am-8:21 pm
1 stop15h 26m
$802
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 9/22
4:30 pm-2:55 pm
2 stops16h 25m
Lisbon Humberto Delgado
Fri 10/2
5:35 am-10:07 pm
2 stops22h 32m
$808
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Tue 10/13
6:00 am-7:00 am
2 stops19h 00m
Porto
Thu 10/22
11:50 am-10:58 pm
2 stops41h 08m
$824
Quickest round-trip
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 10/20
10:25 am-9:20 am
1 stop16h 55m
Lisbon Humberto Delgado
Sat 10/31
12:20 pm-8:50 pm
1 stop13h 30m
$836
Showing 1-10 of 53 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-PDL
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 $672). Flying from Austin to Portugal in December is currently the most expensive (average of $1,171). 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 77 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 28, 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.
Entertainment
7.2
Food
7.3
Comfort
7.7
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Food
7.3
Comfort
7.7
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Food
7.3
Comfort
7.7
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Food
7.3
Comfort
7.7
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Food
7.3
Comfort
7.7
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Entertainment
7.2
Food
7.3
Comfort
7.7
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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 28, 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 August 28, 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$961 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$864 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$836 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$573 | Average$895 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$1,079 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$656 | Average$1,183 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$746 | Average$993 | FlexibilityNo cancel fee | On-time67% |