$332+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Sep 9 — Sep 161
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 10, 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 10, 2026.
This Gotogate deal was found by Cheapflights users on 8/6. 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.
Tue 11/312:05 pm -
1 stop15h 15m
Tue 11/105:00 am -
1 stop15h 05m
Deal found 8/6![Multiple Airlines logo]()
$709
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:05 pm -
1 stop15h 15m
Wed 11/185:00 am -
2 stops36h 11m
Deal found 8/5![Multiple Airlines logo]()
$712
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 12/912:05 pm -
1 stop14h 50m
Wed 12/163:35 pm -
2 stops49h 36m
Deal found 8/9![Multiple Airlines logo]()
$716
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 stop21h 05m
Thu 12/35:00 am -
1 stop15h 05m
Deal found 8/7![United Airlines logo]()
$724
This Expedia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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.
Fri 12/118:00 pm -
2 stops55h 20m
Wed 12/235:00 am -
2 stops19h 03m
Deal found 8/9![Multiple Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 stop21h 05m
Fri 12/1111:20 am -
2 stops30h 40m
Deal found 8/7![United Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 12/136:40 am -
2 stops21h 25m
Thu 1/145:00 am -
1 stop15h 05m
Deal found 8/6![United Airlines logo]()
$729
This Justfly.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 12/26:40 am -
2 stops18h 15m
Fri 12/1111:20 am -
2 stops30h 40m
Deal found 8/7![Air Canada logo]()
$730
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Sun 12/135:16 pm -
1 stop10h 49m
Wed 1/1311:20 am -
2 stops29h 33m
Deal found 8/6![United Airlines logo]()
$731
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/257:30 am -
1 stop19h 35m
Wed 12/211:15 am -
1 stop34h 50m
Deal found 8/7![Delta logo]()
$733
This Gotogate deal was found by Cheapflights users on 8/6. 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.
Tue 11/37:00 am -
2 stops20h 20m
Tue 11/1012:50 pm -
2 stops31h 53m
Deal found 8/6![Air Canada logo]()
$734
This KLM deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/7![KLM logo]()
$737
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 10, 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 10, 2026.
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 8/10![United Airlines logo]()
$746
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 12/286:45 pm -
1 stop32h 15m
Fri 1/85:30 am -
2 stops21h 49m
Deal found 8/10![Delta logo]()
$779
This KLM deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/277:30 am -
1 stop18h 30m
Tue 10/139:20 am -
2 stops18h 48m
Deal found 8/8![KLM logo]()
$788
This United deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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.
Sun 9/205:30 am -
2 stops19h 25m
Mon 10/54:35 pm -
1 stop27h 25m
Deal found 8/8![Multiple Airlines logo]()
$920
This British Airways deal was found by Cheapflights users on 8/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:30 pm -
1 stop18h 35m
Fri 10/97:20 am -
1 stop19h 15m
Deal found 8/6![British Airways logo]()
$987
This Expedia deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/214:05 pm -
2 stops36h 30m
Mon 9/289:55 pm -
2 stops46h 05m
Deal found 8/7![Lufthansa logo]()
$1,154
This Cheapflightsfares deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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.
Sun 8/237:45 am -
2 stops25h 05m
Sat 8/2911:45 am -
2 stops17h 36m
Deal found 8/9![Aer Lingus logo]()
$1,204
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 12/98:53 am -
2 stops18h 37m
Fri 12/1112:35 pm -
2 stops16h 09m
Deal found 8/8![United Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/232:27 pm -
2 stops18h 28m
Wed 9/305:00 am -
2 stops23h 07m
Deal found 8/9![Delta logo]()
$800
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 -
2 stops21h 25m
Mon 11/3012:25 pm -
1 stop31h 40m
Deal found 8/9![United Airlines logo]()
$778
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/226:05 pm -
2 stops17h 45m
Wed 9/305:00 am -
2 stops23h 07m
Deal found 8/9![Delta logo]()
$800
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 8/7![United Airlines logo]()
$795
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 8/8![Delta logo]()
$833
This British Airways deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/95:55 pm -
1 stop36h 25m
Tue 9/227:35 pm -
1 stop31h 00m
Deal found 8/8![British Airways logo]()
$1,059
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 1/96:01 pm -
1 stop15h 24m
Sun 1/175:00 am -
2 stops23h 57m
Deal found 8/9![Delta logo]()
$847
This KLM deal was found by Cheapflights users on 8/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:11 pm -
2 stops32h 59m
Sat 8/299:05 pm -
2 stops24h 45m
Deal found 8/6![KLM logo]()
$1,171
This KAYAK deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:35 pm -
1 stop32h 45m
Mon 10/265:50 pm -
2 stops21h 58m
Deal found 8/8![Multiple Airlines logo]()
$1,183
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:30 pm -
2 stops14h 00m
Wed 10/1411:25 am -
3 stops17h 29m
Deal found 8/5![United Airlines logo]()
$896
This KAYAK deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 8/2310:40 am -
1 stop17h 15m
Sat 8/293:35 pm -
2 stops48h 23m
Deal found 8/10![Lufthansa logo]()
$1,239
This British Airways deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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.
Sat 11/216:55 pm -
1 stop17h 05m
Mon 11/306:25 pm -
1 stop28h 20m
Deal found 8/7![British Airways logo]()
$1,130
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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
Wed 9/305:00 am -
2 stops24h 10m
Deal found 8/7![Delta logo]()
$867
This KLM deal was found by Cheapflights users on 8/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:35 am -
2 stops19h 55m
Sat 9/59:05 pm -
2 stops26h 52m
Deal found 8/6![KLM logo]()
$1,241
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:40 pm -
3 stops33h 00m
Sun 11/2910:40 am -
3 stops56h 51m
Deal found 8/9![United Airlines logo]()
$957
This Expedia deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/216:05 pm -
1 stop33h 30m
Mon 9/281:20 pm -
2 stops38h 54m
Deal found 8/7![Multiple Airlines logo]()
$1,318
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 stop15h 25m
Mon 9/285:00 am -
1 stop17h 10m
Deal found 8/8![Delta logo]()
$917
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:21 pm -
2 stops34h 09m
Thu 9/2411:25 am -
3 stops41h 36m
Deal found 8/5![United Airlines logo]()
$980
This Justfly.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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.
Thu 11/1912:16 pm -
2 stops20h 04m
Sat 11/281:15 pm -
2 stops30h 50m
Deal found 8/7![Lufthansa logo]()
$1,471
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/143:50 pm -
2 stops17h 35m
Thu 9/245:00 am -
2 stops23h 27m
Deal found 8/7![Delta logo]()
$924
This Mytrip deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/911:40 am -
2 stops20h 10m
Tue 9/228:15 am -
3 stops35h 45m
Deal found 8/8![Multiple Airlines logo]()
$1,429
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/257:00 am -
2 stops22h 40m
Sun 11/291:25 pm -
2 stops36h 38m
Deal found 8/7![United Airlines logo]()
$993
Last-minute flights from Austin to PortugalDiscover last-minute flight deals from Austin to Portugal. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Austin to Portugal. Data last updated August 10, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:25 pm -
1 stop13h 20m
Mon 10/51:30 pm -
1 stop31h 55m
Deal found 8/8![Air Transat logo]()
$838
This Air Canada deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:40 am -
1 stop17h 20m
Tue 9/295:55 am -
2 stops34h 53m
Deal found 8/8![Multiple Airlines logo]()
$798
This Mytrip deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/2111:40 am -
2 stops27h 20m
Tue 9/299:30 pm -
2 stops22h 30m
Deal found 8/8![Multiple Airlines logo]()
$820
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Tue 9/2212:17 pm -
1 stop16h 13m
Wed 9/3011:25 am -
2 stops32h 33m
Deal found 8/6![United Airlines logo]()
$786
This Iberia deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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.
Tue 9/225:55 pm -
1 stop23h 05m
Wed 9/3012:30 pm -
2 stops16h 06m
Deal found 8/9![Multiple Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 stops19h 20m
Fri 10/25:00 am -
2 stops22h 58m
Deal found 8/7![Delta logo]()
$799
This Trip.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/2711:40 am -
1 stop17h 25m
Tue 10/131:00 pm -
1 stop27h 48m
Deal found 8/8![Air Canada logo]()
$763
This KLM deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/277:30 am -
1 stop18h 30m
Tue 10/139:20 am -
2 stops18h 48m
Deal found 8/8![KLM logo]()
$788
This Trip.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” 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 9/2811:40 am -
1 stop17h 20m
Tue 10/131:00 pm -
1 stop27h 48m
Deal found 8/9![Air Canada logo]()
$765
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:40 am -
1 stop17h 20m
Wed 10/141:00 pm -
1 stop27h 48m
Deal found 8/5![Multiple Airlines logo]()
$771
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.
Mon 9/286:25 am -
2 stops19h 35m
Wed 10/1411:55 am -
1 stop34h 15m
Deal found 8/5![Delta logo]()
$782
This Gotogate deal was found by Cheapflights users on 8/6. 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 9/2811:40 am -
1 stop17h 20m
Tue 10/136:45 am -
1 stop37h 15m
Deal found 8/6![Multiple Airlines 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 10, 2026.
Search for one-way flight options from Austin to Portugal. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/1711:15 am -
3 stops44h 00m
Deal found 8/8![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/1611:15 am -
2 stops28h 10m
Deal found 8/8![Multiple Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 12/16:30 am -
1 stop21h 00m
Deal found 8/10![United Airlines logo]()
$346
This oojo deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/165:44 pm -
2 stops19h 11m
Deal found 8/7![British Airways logo]()
$346
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” 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 11/307:10 am -
2 stops21h 25m
Deal found 8/10![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:30 pm -
2 stops34h 00m
Deal found 8/10![United Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:07 pm -
2 stops35h 58m
Deal found 8/10![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/1410:58 am -
3 stops54h 02m
Deal found 8/8![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/1511:15 am -
2 stops27h 50m
Deal found 8/8![Multiple Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/146:10 pm -
2 stops17h 20m
Deal found 8/7![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 11/145:55 pm -
1 stop32h 15m
Deal found 8/7![United Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 8/6. 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.
Sat 2/64:59 pm -
2 stops33h 01m
Deal found 8/6![Delta logo]()
$381
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $709 (Gotogate) |
One-way from | $332 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $998 |
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 10, 2026.
Use the filters below to find and compare flights from Austin to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Mon 11/23
12:25 pm-9:30 am
2 stops15h 05m
Porto
Thu 12/3
6:00 am-8:56 pm
2 stops20h 56m
$746
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Wed 12/9
8:53 am-9:30 am
2 stops18h 37m
Porto
Fri 12/11
12:35 pm-10:44 pm
2 stops16h 09m
$755
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Mon 11/23
7:15 am-10:40 am
2 stops21h 25m
Lisbon Humberto Delgado
Mon 11/30
12:25 pm-2:05 pm
1 stop31h 40m
$778
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Mon 12/28
6:45 pm-9:00 am
1 stop32h 15m
Lisbon Humberto Delgado
Fri 1/8
5:30 am-9:19 pm
2 stops21h 49m
$779
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Sun 9/27
7:30 am-8:00 am
1 stop18h 30m
Lisbon Humberto Delgado
Tue 10/13
9:20 am-10:08 pm
2 stops18h 48m
$788
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
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 Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Wed 9/23
2:27 pm-2:55 pm
2 stops18h 28m
Lisbon Humberto Delgado
Wed 9/30
5:00 am-10:07 pm
2 stops23h 07m
$800
AustinLisbon
AUS Austin Bergstrom - LIS Lisbon Humberto Delgado
AUSLIS
Austin Bergstrom
Tue 9/22
6:05 pm-5:50 pm
2 stops17h 45m
Lisbon Humberto Delgado
Wed 9/30
5:00 am-10:07 pm
2 stops23h 07m
$800
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Tue 10/13
3:59 pm-10:30 am
1 stop12h 31m
Porto
Thu 10/22
5:00 am-9:30 pm
2 stops22h 30m
$833
AustinPorto
AUS Austin Bergstrom - OPO Porto
AUSOPO
Austin Bergstrom
Sat 1/9
6:01 pm-3:25 pm
1 stop15h 24m
Porto
Sun 1/17
5:00 am-10:57 pm
2 stops23h 57m
$847
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-OPO
AUS-LIS
AUS-PDL
AUS-TER
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-OPO
AUS-LIS
AUS-PDL
AUS-TER
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 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 10, 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.
Crew
8.4
Comfort
7.7
Boarding
7.8
Overall
7.8
Entertainment
7.2
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Comfort
7.7
Boarding
7.8
Overall
7.8
Entertainment
7.2
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Comfort
7.7
Boarding
7.8
Overall
7.8
Entertainment
7.2
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Comfort
7.7
Boarding
7.8
Overall
7.8
Entertainment
7.2
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Comfort
7.7
Boarding
7.8
Overall
7.8
Entertainment
7.2
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Comfort
7.7
Boarding
7.8
Overall
7.8
Entertainment
7.2
Food
7.3
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 10, 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$804 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$478 | Average$994 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$486 | Average$948 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$508 | Average$864 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$835 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$557 | Average$890 | 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% |